/* roulang page: index */
:root {
            --pop-bg: #070C1C;
            --pop-panel: rgba(17, 30, 52, 0.62);
            --pop-panel-deep: rgba(13, 23, 42, 0.82);
            --pop-brand: #2B5CF6;
            --pop-brand-light: #4E7CFF;
            --pop-cyan: #2DE2FF;
            --pop-orange: #FF7A18;
            --pop-green: #31D49C;
            --pop-text: #EDF2FF;
            --pop-sub: #A6B7DA;
            --pop-weak: #6980AD;
            --pop-border: rgba(130, 165, 255, 0.15);
            --pop-xl: 26px;
            --pop-lg: 20px;
            --pop-md: 14px;
            --pop-sm: 10px;
            --pop-shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
        }

        *,
        ::before,
        ::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 110px;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            background: var(--pop-bg);
            color: var(--pop-text);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -3;
            background:
                radial-gradient(1100px 520px at 82% -8%, rgba(43, 92, 246, 0.22), transparent 60%),
                radial-gradient(800px 500px at -8% 35%, rgba(45, 226, 255, 0.08), transparent 60%),
                linear-gradient(180deg, #060B18 0%, #090F20 45%, #0B1426 100%);
        }

        body::after {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -2;
            pointer-events: none;
            opacity: 0.28;
            background-image:
                linear-gradient(115deg, transparent 0%, transparent 38%, rgba(255, 255, 255, 0.035) 38.2%, rgba(255, 255, 255, 0.035) 38.6%, transparent 38.8%),
                linear-gradient(65deg, transparent 0%, transparent 68%, rgba(255, 255, 255, 0.025) 68.2%, transparent 68.5%);
            background-size: 240px 240px, 360px 360px;
            mask-image: radial-gradient(85% 60% at center, #000 0%, transparent 100%);
            -webkit-mask-image: radial-gradient(85% 60% at center, #000 0%, transparent 100%);
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease, opacity .25s ease, transform .25s ease;
        }

        button,
        input {
            font-family: inherit;
            border: 0;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 82px 0;
            position: relative;
        }

        .section-head {
            margin-bottom: 32px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            letter-spacing: .18em;
            text-transform: uppercase;
            color: var(--pop-cyan);
            margin-bottom: 8px;
        }

        .section-kicker::before {
            content: "";
            width: 28px;
            height: 2px;
            background: linear-gradient(90deg, var(--pop-cyan), transparent);
        }

        .section-title {
            font-size: clamp(1.65rem, 3vw, 2.45rem);
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .section-caption {
            color: var(--pop-sub);
            max-width: 640px;
            margin-top: 8px;
            font-size: 15px;
            line-height: 1.8;
        }

        .glass-card {
            background: linear-gradient(145deg, rgba(35, 58, 99, 0.42), rgba(12, 22, 42, 0.58));
            border: 1px solid var(--pop-border);
            border-radius: var(--pop-lg);
            box-shadow:
                0 18px 50px rgba(0, 0, 0, 0.22),
                inset 0 1px 0 rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        }

        .glass-card:hover {
            transform: translateY(-5px);
            border-color: rgba(45, 226, 255, 0.35);
            box-shadow:
                0 26px 64px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(45, 226, 255, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.09);
        }

        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            line-height: 1;
            transition: all .25s ease;
            cursor: pointer;
        }

        .btn-primary {
            color: #0B1222;
            background: linear-gradient(135deg, #3C7CFF 0%, #2DE2FF 100%);
            box-shadow: 0 10px 26px rgba(45, 130, 255, 0.38);
        }

        .btn-primary:hover {
            transform: scale(1.02);
            filter: brightness(1.08);
            box-shadow: 0 14px 36px rgba(45, 170, 255, 0.45);
            color: #0B1222;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 6px 18px rgba(45, 130, 255, 0.2);
        }

        .btn-secondary {
            border: 1px solid rgba(230, 240, 255, 0.55);
            color: #F0F5FF;
            background: rgba(20, 32, 58, 0.45);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02), 0 10px 22px rgba(0, 0, 0, 0.16);
        }

        .btn-secondary:hover {
            border-color: var(--pop-cyan);
            background: rgba(72, 132, 255, 0.14);
            color: #FFFFFF;
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--pop-cyan);
            outline-offset: 3px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(45, 226, 255, 0.1);
            border: 1px solid rgba(45, 226, 255, 0.24);
            color: #B7F4FF;
            font-size: 12px;
            line-height: 1.5;
        }

        .badge-hot {
            background: rgba(255, 122, 24, 0.12);
            border-color: rgba(255, 122, 24, 0.32);
            color: #FFC29D;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 100;
            padding-top: 4px;
        }

        .nav-hull {
            padding: 10px 12px 10px 18px;
            border-radius: 22px;
            background: rgba(10, 20, 38, 0.72);
            border: 1px solid rgba(115, 150, 220, 0.18);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }

        .logo-text {
            font-weight: 800;
            font-size: 19px;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            background: linear-gradient(90deg, #FFFFFF 20%, #C6E4FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .logo-text small {
            display: block;
            font-size: 10px;
            color: var(--pop-sub);
            -webkit-text-fill-color: var(--pop-sub);
            font-weight: 500;
            letter-spacing: .14em;
            margin-top: -4px;
        }

        .logo-mark svg {
            width: 36px;
            height: 36px;
            display: block;
            filter: drop-shadow(0 0 10px rgba(45, 160, 255, 0.35));
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .nav-item {
            position: relative;
            padding: 9px 14px;
            font-size: 14px;
            font-weight: 500;
            color: #BDCBEA;
            border-radius: 12px;
            border: 1px solid transparent;
            white-space: nowrap;
            transition: all .24s ease;
        }

        .nav-item:hover {
            color: #fff;
            background: rgba(76, 124, 255, 0.12);
            border-color: rgba(76, 124, 255, 0.18);
        }

        .nav-item.active {
            color: #FFFFFF;
            background: linear-gradient(135deg, rgba(43, 92, 246, 0.3), rgba(45, 226, 255, 0.08));
            border-color: rgba(45, 226, 255, 0.24);
            box-shadow: 0 8px 22px rgba(25, 60, 180, 0.2);
        }

        .nav-item.active::after {
            content: "";
            position: absolute;
            bottom: 5px;
            left: 14px;
            right: 14px;
            height: 2px;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--pop-brand), var(--pop-cyan));
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(120, 150, 200, 0.24);
            border-radius: 12px;
            color: #fff;
            cursor: pointer;
        }

        .mobile-drawer {
            display: none;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            overflow: hidden;
            padding: 78px 0 88px;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(6, 11, 24, 0.75), rgba(8, 14, 31, 0.88)), url("/assets/images/backpic/back-2.webp") center 22% / cover no-repeat;
            opacity: 0.9;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            width: 45%;
            z-index: -1;
            pointer-events: none;
            background: linear-gradient(105deg, rgba(76, 124, 255, 0.18), transparent 70%);
            transform: skewX(-8deg) translateX(-30px);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.18fr 0.82fr;
            gap: 46px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            letter-spacing: .09em;
            padding: 7px 14px;
            border-radius: 999px;
            background: rgba(45, 226, 255, 0.08);
            border: 1px solid rgba(45, 226, 255, 0.25);
            color: #CDF3FF;
            margin-bottom: 20px;
        }

        .hero-badge i {
            color: var(--pop-cyan);
        }

        .hero-title {
            font-size: clamp(2rem, 4.4vw, 3.5rem);
            line-height: 1.18;
            letter-spacing: -0.03em;
            font-weight: 800;
            color: #fff;
            margin-bottom: 24px;
        }

        .hero-title .text-gradient {
            background: linear-gradient(120deg, #8DB3FF, #2DE2FF);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-copy>p {
            color: #BFCDE8;
            font-size: 16px;
            line-height: 1.9;
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 26px;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 22px;
            color: #9FB0D4;
            font-size: 13px;
            padding: 14px 16px;
            border-radius: 18px;
            border: 1px solid rgba(130, 165, 255, 0.12);
            background: rgba(18, 31, 56, 0.32);
            backdrop-filter: blur(6px);
            max-width: 520px;
        }

        .hero-points li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-points i {
            color: var(--pop-cyan);
            font-size: 14px;
        }

        .hero-visual {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 180px;
            gap: 18px;
            align-items: center;
        }

        .vertical-device {
            width: 100%;
            max-width: 330px;
            justify-self: center;
            position: relative;
            background: rgba(20, 35, 64, 0.62);
            border: 1px solid rgba(130, 170, 255, 0.2);
            border-radius: 32px;
            padding: 10px;
            box-shadow: 0 28px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
        }

        .device-screen {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            aspect-ratio: 9 / 15;
            background: #0B1B32;
        }

        .device-screen img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .device-screen::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 13, 27, 0.02), rgba(5, 12, 25, 0.7));
        }

        .video-time {
            position: absolute;
            right: 10px;
            bottom: 12px;
            z-index: 3;
            background: rgba(5, 12, 25, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 6px;
            letter-spacing: .04em;
        }

        .video-tag {
            position: absolute;
            left: 10px;
            top: 10px;
            z-index: 3;
            background: rgba(255, 122, 24, 0.9);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 9px;
            border-radius: 6px;
        }

        .play-btn {
            position: absolute;
            left: 50%;
            top: 38%;
            transform: translate(-50%, -50%);
            z-index: 4;
            width: 58px;
            height: 58px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            color: #fff;
            background: rgba(20, 32, 58, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.45);
            backdrop-filter: blur(12px);
            cursor: pointer;
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .play-btn:hover {
            transform: translate(-50%, -50%) scale(1.08);
            box-shadow: 0 0 0 12px rgba(255, 255, 255, 0.04), 0 16px 40px rgba(0, 0, 0, 0.4);
        }

        .device-actions {
            position: absolute;
            right: 8px;
            bottom: 54px;
            z-index: 4;
            display: flex;
            flex-direction: column;
            gap: 4px;
            align-items: center;
        }

        .device-actions span {
            background: rgba(10, 20, 38, 0.55);
            border: 1px solid rgba(220, 235, 255, 0.14);
            color: #fff;
            width: 44px;
            padding: 7px 0;
            border-radius: 99px;
            font-size: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            backdrop-filter: blur(8px);
        }

        .device-actions i {
            font-size: 14px;
        }

        .facebook-mock{
            position:absolute;
            left:10px;bottom:10px;z-index:4;
            font-size:11px;color:#d7e6ff;
            background:rgba(8,16,32,.6);
            padding:3px 8px;border-radius:6px;
            border:1px solid rgba(255,255,255,.1);
        }
        .feed-queue {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .queue-item {
            display: flex;
            gap: 10px;
            padding: 9px;
            border-radius: 14px;
            border: 1px solid rgba(120, 165, 240, 0.13);
            background: rgba(18, 31, 56, 0.46);
            backdrop-filter: blur(8px);
            transition: all .25s ease;
            align-items: center;
        }

        .queue-item.active,
        .queue-item:hover {
            border-color: rgba(45, 226, 255, 0.45);
            background: rgba(43, 92, 246, 0.16);
            box-shadow: 0 0 20px rgba(45, 170, 255, 0.08);
        }

        .queue-item img {
            width: 62px;
            height: 44px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .queue-meta {
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .queue-meta strong {
            color: #E7EEFF;
            font-size: 12px;
            line-height: 1.4;
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .queue-meta span {
            color: #7090BE;
            font-size: 10px;
            letter-spacing: .02em;
        }

        .queue-item.active .queue-meta strong {
            color: #fff;
        }

        /* Featured list */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: start;
        }

        .feature-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .feature-card:nth-child(2) {
            margin-top: 34px;
        }

        .feature-card:nth-child(3) {
            margin-top: 14px;
        }

        .media-frame {
            position: relative;
            overflow: hidden;
            background: #12213D;
        }

        .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .glass-card:hover .media-frame img {
            transform: scale(1.035);
        }

        .feature-card .media-frame {
            aspect-ratio: 16 / 10;
            border-radius: 18px 18px 0 0;
        }

        .feature-card:nth-child(2) .media-frame {
            aspect-ratio: 4 / 3;
        }

        .media-frame .duration {
            position: absolute;
            right: 12px;
            bottom: 12px;
            z-index: 3;
            background: rgba(7, 14, 30, 0.74);
            border: 1px solid rgba(255, 255, 255, 0.13);
            color: #fff;
            padding: 2px 9px;
            border-radius: 999px;
            font-size: 12px;
        }

        .media-frame .badge-live {
            position: absolute;
            left: 12px;
            top: 12px;
            z-index: 3;
        }

        .feature-body {
            padding: 20px 20px 22px;
            position: relative;
        }

        .topic-label {
            display: inline-flex;
            gap: 8px;
            color: #80D9FF;
            font-size: 12px;
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .feature-title {
            display: block;
            font-size: 18px;
            line-height: 1.45;
            color: #E9F0FF;
            font-weight: 700;
            margin-bottom: 10px;
            min-height: 2.9em;
        }

        .feature-title a:hover {
            color: #B7D9FF;
        }

        .feature-text {
            color: #9CB0D0;
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #8BA2C8;
        }

        .card-meta .read-link {
            color: #77C8FF;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .card-meta .read-link:hover {
            color: #fff;
        }

        /* Program scroll */
        .programs-section {
            background: rgba(9, 16, 32, 0.62);
            border-block: 1px solid rgba(120, 160, 235, 0.1);
        }

        .horizontal-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding: 8px 4px 24px;
            scroll-snap-type: x mandatory;
            scrollbar-width: none;
        }

        .horizontal-scroll::-webkit-scrollbar {
            display: none;
        }

        .product-card {
            flex: 0 0 252px;
            display: flex;
            flex-direction: column;
            scroll-snap-align: start;
            padding: 14px;
            overflow: hidden;
        }

        .product-media {
            border-radius: 14px;
            overflow: hidden;
            background: #0E1C33;
            aspect-ratio: 4 / 3.3;
            margin-bottom: 14px;
            position: relative;
        }

        .product-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .product-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(5, 12, 27, 0.55));
            pointer-events: none;
        }

        .product-price {
            position: absolute;
            left: 12px;
            bottom: 12px;
            z-index: 2;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            background: rgba(8, 14, 30, 0.76);
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 3px 10px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }

        .product-name {
            font-size: 17px;
            font-weight: 700;
            color: #E9F0FF;
            margin-bottom: 7px;
        }

        .product-desc {
            font-size: 13px;
            color: #8CA2C4;
            line-height: 1.65;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .product-foot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            margin-top: auto;
            padding-top: 8px;
            border-top: 1px solid rgba(130, 165, 255, 0.1);
        }

        .product-foot .btn-sm {
            min-height: 34px;
            padding: 0 13px;
            font-size: 13px;
        }

        .product-score {
            color: #D6E0F5;
            font-size: 12px;
            display: inline-flex;
            gap: 5px;
            align-items: center;
        }

        .product-score .fa-star {
            color: #FFB54D;
        }

        .scroll-caption {
            color: #6680A8;
            font-size: 13px;
            display: inline-flex;
            gap: 6px;
            align-items: center;
            margin-bottom: 12px;
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .review-card {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .review-head {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .avatar {
            width: 44px;
            height: 44px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            flex-shrink: 0;
        }

        .avatar-blue {
            background: linear-gradient(140deg, #3A6DFF, #1D5ADF);
        }

        .avatar-green {
            background: linear-gradient(140deg, #128C7E, #1FBF9F);
        }

        .avatar-purple {
            background: linear-gradient(140deg, #7A5CF0, #B180FF);
        }

        .avatar-orange {
            background: linear-gradient(140deg, #FF8A4C, #FFC46B);
        }

        .review-name {
            font-size: 15px;
            color: #E4ECFF;
            font-weight: 600;
        }

        .review-tag {
            color: #6E87AE;
            font-size: 12px;
            margin-top: 2px;
        }

        .review-stars {
            color: #FFB84E;
            font-size: 13px;
            letter-spacing: 2px;
        }

        .review-text {
            color: #ADBFDD;
            line-height: 1.85;
            font-size: 14px;
            margin-top: 4px;
        }

        /* CTA banner */
        .cta-banner {
            position: relative;
            border-radius: 32px;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(8, 14, 31, 0.88), rgba(5, 10, 24, 0.92)), url("/assets/images/backpic/back-1.png") center / cover no-repeat;
            border: 1px solid rgba(100, 145, 230, 0.2);
            box-shadow: 0 32px 80px rgba(0, 0, 0, 0.42);
            padding: 52px 32px;
        }

        .cta-inner {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: clamp(1.8rem, 3.6vw, 3rem);
            line-height: 1.25;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }

        .cta-inner p {
            color: #C1CFE8;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        /* News */
        .news-section {
            background: linear-gradient(180deg, transparent, rgba(16, 28, 52, 0.45) 50%, transparent);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .news-card {
            padding: 22px;
            border-radius: 18px;
            display: flex;
            flex-direction: column;
            min-height: 220px;
        }

        .news-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-bottom: 14px;
        }

        .news-card time,
        .news-card time i {
            color: #6D87AE;
            font-size: 12px;
        }

        .news-title {
            font-size: 17px;
            line-height: 1.5;
            margin-bottom: 8px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            min-height: 3em;
        }

        .news-title a {
            color: #E7EEFF;
            font-weight: 650;
        }

        .news-title a:hover {
            color: #B5D9FF;
        }

        .news-summary {
            color: #93A6C7;
            font-size: 13px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-top: 6px;
            flex: 1;
        }

        .news-more {
            margin-top: 12px;
            font-size: 13px;
            color: #6FA8FF;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }

        .empty-cms {
            border: 1px dashed rgba(140, 175, 240, 0.25);
            background: rgba(20, 33, 62, 0.35);
            border-radius: 20px;
            padding: 50px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            color: #8A9FC2;
            font-size: 15px;
        }

        .empty-cms i {
            font-size: 30px;
            color: #54709E;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid rgba(130, 165, 255, 0.14);
            background: rgba(18, 31, 56, 0.36);
            border-radius: 18px;
            margin-bottom: 14px;
            overflow: hidden;
            backdrop-filter: blur(10px);
            transition: border-color .25s ease;
        }

        .faq-item.open {
            border-color: rgba(45, 226, 255, 0.35);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            color: #E1EAFF;
            font-size: 15px;
            text-align: left;
            font-weight: 600;
        }

        .faq-q .num {
            color: #6E8DD0;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .faq-q .faq-icon {
            margin-left: auto;
            color: #7A9BCF;
            transition: transform .3s ease, color .3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--pop-cyan);
        }

        .faq-a {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows .35s ease;
        }

        .faq-a-inner {
            overflow: hidden;
        }

        .faq-item.open .faq-a {
            grid-template-rows: 1fr;
        }

        .faq-a p {
            padding: 0 22px 20px;
            color: #9BAFCF;
            line-height: 1.85;
            font-size: 14px;
        }

        /* CTA bottom strip */
        .bottom-strip {
            padding: 32px 0 76px;
        }

        .strip-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 24px;
            background: rgba(43, 92, 246, 0.1);
            border: 1px solid rgba(80, 140, 255, 0.2);
            border-radius: 20px;
            flex-wrap: wrap;
        }

        .strip-box p {
            color: #D7E3FF;
            font-size: 15px;
        }

        .strip-box strong {
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #050912;
            border-top: 1px solid rgba(120, 160, 230, 0.14);
            padding-top: 62px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 42px;
        }

        .footer-brand .logo-text {
            font-size: 17px;
        }

        .footer-brand p {
            margin-top: 16px;
            color: #8090B2;
            font-size: 14px;
            line-height: 1.8;
            max-width: 350px;
        }

        .footer-title {
            color: #c4d1e9;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .04em;
        }

        .footer-col ul li {
            margin-bottom: 9px;
        }

        .footer-col ul li a {
            color: #7F90B4;
            font-size: 14px;
        }

        .footer-col ul li a:hover {
            color: #9DC2FF;
        }

        .footer-contact li {
            color: #7F90B4;
            font-size: 14px;
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-contact li i {
            color: #4E7CFF;
            margin-top: 5px;
            font-size: 13px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            font-size: 13px;
            padding: 18px 0;
            border-top: 1px solid rgba(120, 160, 230, 0.12);
            color: #6980AD;
        }

        .footer-bottom {
            border-top: 1px solid rgba(120, 160, 230, 0.06);
            padding: 18px 0;
            text-align: center;
            color: #526A94;
            font-size: 13px;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .hero-visual {
                grid-template-columns: minmax(0, 1fr) 155px;
            }

            .feature-grid {
                gap: 18px;
            }

            .product-card {
                flex-basis: 240px;
            }
        }

        @media (max-width: 1023px) {
            .hamburger {
                display: inline-flex;
            }

            .desktop-nav {
                display: none;
            }

            .mobile-drawer {
                display: none;
                margin-top: 10px;
                border-radius: 22px;
                background: rgba(10, 19, 36, 0.95);
                border: 1px solid rgba(115, 150, 220, 0.2);
                box-shadow: 0 18px 46px rgba(0, 0, 0, 0.32);
                padding: 20px;
                backdrop-filter: blur(20px);
            }

            html.menu-open .mobile-drawer {
                display: block;
                animation: drawerIn .28s ease;
            }

            @keyframes drawerIn {
                from {
                    opacity: 0;
                    transform: translateY(-8px);
                }

                to {
                    opacity: 1;
                    transform: translateY(0);
                }
            }

            .drawer-nav {
                display: flex;
                flex-direction: column;
                gap: 8px;
            }

            .drawer-nav .nav-item {
                padding: 14px 16px;
                font-size: 16px;
                border-radius: 14px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
            }

            .hero-visual {
                grid-template-columns: minmax(0, 1fr) 165px;
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-card:nth-child(2) {
                margin-top: 0;
            }

            .feature-card:nth-child(3) {
                grid-column: 1 / -1;
                width: 50%;
                justify-self: center;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 58px 0;
            }

            .hero-section {
                padding: 52px 0 64px;
            }

            .nav-hull {
                padding: 8px 10px;
                gap: 8px;
            }

            .logo-text {
                font-size: 17px;
            }

            .nav-actions .btn-sm {
                padding: 0 12px;
                min-height: 38px;
                font-size: 13px;
            }

            .hero-visual {
                grid-template-columns: 1fr;
            }

            .vertical-device {
                max-width: 300px;
            }

            .feed-queue {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }

            .queue-item {
                padding: 8px;
                flex-direction: column;
                align-items: flex-start;
            }

            .queue-item img {
                width: 100%;
                height: 52px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .feature-card:nth-child(3) {
                grid-column: auto;
                width: 100%;
            }

            .feature-card .media-frame,
            .feature-card:nth-child(2) .media-frame {
                aspect-ratio: 16 / 10;
            }

            .review-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .cta-banner {
                padding: 36px 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .strip-box {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-points {
                font-size: 12px;
            }

            .hero-btns .btn-primary,
            .hero-btns .btn-secondary {
                width: 100%;
            }

            .nav-actions .hamburger {
                width: 40px;
                height: 40px;
            }

            .btn-primary,
            .btn-secondary {
                min-height: 48px;
                padding: 0 22px;
            }
        }

        @media (max-width: 480px) {
            .mobile-drawer {
                padding: 16px;
            }

            .logo-mark svg {
                width: 32px;
                height: 32px;
            }

            .logo-text {
                font-size: 16px;
            }

            .nav-actions .btn-sm {
                display: none;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #0A0F1F;
            --bg-soft: #0B1426;
            --panel: rgba(15, 28, 48, 0.72);
            --panel-light: rgba(20, 38, 62, 0.55);
            --brand: #2B5CF6;
            --brand-light: #4E7CFF;
            --cyan: #2DE2FF;
            --orange: #FF7A18;
            --text-main: #E9F0FF;
            --text-sub: #AEBEE0;
            --text-mute: #7890B8;
            --border: rgba(161, 185, 232, 0.16);
            --border-cyan: rgba(45, 226, 255, 0.55);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 18px 50px rgba(2, 6, 23, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.06);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background:
                radial-gradient(circle at 12% -6%, rgba(43, 92, 246, 0.20), transparent 26%),
                radial-gradient(ellipse at 85% 14%, rgba(45, 226, 255, 0.09), transparent 30%),
                linear-gradient(180deg, #0A0F1F 0%, #0B1426 56%, #081020 100%);
            background-attachment: fixed;
            color: var(--text-main);
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background-image:
                linear-gradient(rgba(92, 160, 255, 0.035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(92, 160, 255, 0.03) 1px, transparent 1px);
            background-size: 54px 54px;
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 85%);
        }
        body::after {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 0;
            background: linear-gradient(120deg, transparent 32%, rgba(45, 226, 255, 0.04) 50%, transparent 68%);
        }
        .container {
            position: relative;
            z-index: 1;
            width: min(1280px, 100%);
            margin-inline: auto;
            padding-inline: 20px;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        textarea {
            font: inherit;
        }
        img {
            max-width: 100%;
        }
        :focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* header */
        .site-header {
            padding-top: 14px;
            position: sticky;
            top: 0;
            z-index: 60;
        }
        .nav-hull {
            background: linear-gradient(135deg, rgba(15, 24, 44, 0.85), rgba(10, 16, 32, 0.82));
            border: 1px solid rgba(151, 190, 255, 0.16);
            border-radius: 22px;
            box-shadow: 0 12px 38px rgba(1, 4, 16, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 10px 14px;
            margin-bottom: 22px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 4px;
            border-radius: 12px;
        }
        .logo-mark {
            display: inline-flex;
            filter: drop-shadow(0 0 12px rgba(45, 226, 255, 0.33));
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .03em;
            color: #F3F8FF;
        }
        .logo-text small {
            font-family: "Rajdhani", "Oswald", "Bahnschrift", sans-serif;
            font-size: 10px;
            color: var(--cyan);
            letter-spacing: .28em;
            font-weight: 600;
            margin-top: 3px;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            margin: 0 2px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            position: relative;
            transition: all .25s ease;
            border: 1px solid transparent;
        }
        .nav-item:hover {
            color: #fff;
            background: rgba(93, 141, 255, 0.12);
            border-color: rgba(45, 226, 255, 0.22);
            box-shadow: 0 0 18px rgba(45, 226, 255, 0.08);
        }
        .nav-item.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(43, 92, 246, 0.28), rgba(45, 226, 255, 0.14));
            border-color: rgba(45, 226, 255, 0.42);
            box-shadow: 0 6px 20px rgba(23, 98, 255, 0.28);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #2B5CF6 0%, #2AA7FF 94%);
            color: #fff;
            font-weight: 700;
            padding: 10px 20px;
            min-height: 42px;
            border-radius: 999px;
            border: 1px solid rgba(85, 191, 255, 0.35);
            box-shadow: 0 0 16px rgba(43, 92, 246, 0.50), 0 8px 24px rgba(14, 54, 176, 0.36);
            transition: all .22s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #4E7CFF, #50CEFF);
            box-shadow: 0 0 26px rgba(45, 226, 255, 0.55), 0 12px 32px rgba(33, 70, 220, 0.45);
            transform: translateY(-2px) scale(1.02);
        }
        .btn-primary:active {
            transform: translateY(1px) scale(0.99);
            box-shadow: 0 3px 10px rgba(43, 92, 246, 0.3);
        }
        .btn-primary.btn-sm {
            min-height: 38px;
            padding: 7px 18px;
            font-size: 14px;
        }
        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #E9F0FF;
            font-size: 18px;
            cursor: pointer;
        }
        .hamburger:hover {
            background: rgba(45, 226, 255, 0.16);
            border-color: var(--cyan);
        }
        .mobile-drawer {
            display: none;
            background: rgba(8, 14, 30, 0.94);
            border: 1px solid rgba(151, 190, 255, 0.16);
            border-radius: 18px;
            padding: 12px;
            inset-inline: 0;
            margin-top: 4px;
            backdrop-filter: blur(18px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
        }
        .mobile-drawer.open {
            display: block;
            animation: fadeIn .24s ease;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .drawer-nav .nav-item {
            justify-content: flex-start;
            padding: 12px 16px;
            font-size: 16px;
        }
        .drawer-nav .btn-primary {
            margin-top: 8px;
            justify-content: center;
        }

        /* page head */
        .article-page-lead {
            padding: 34px 0 10px;
            text-align: center;
        }
        .breadcrumb {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: rgba(15, 28, 48, 0.50);
            border: 1px solid rgba(152, 190, 232, 0.13);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 28px;
            backdrop-filter: blur(10px);
        }
        .breadcrumb i {
            color: var(--cyan);
            font-size: 12px;
        }
        .breadcrumb a:hover {
            color: var(--cyan);
        }
        .article-head {
            max-width: 840px;
            margin-inline: auto;
            text-align: center;
        }
        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(45, 226, 255, 0.14), rgba(43, 92, 246, 0.16));
            border: 1px solid rgba(45, 226, 255, 0.35);
            color: var(--cyan);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
            box-shadow: 0 0 14px rgba(45, 226, 255, 0.12);
        }
        .article-head h1 {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: .01em;
            background: linear-gradient(180deg, #FFFFFF 20%, #C7D8FF 96%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin: 14px 0 16px;
            text-shadow: 0 6px 28px rgba(34, 88, 255, 0.18);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 14px;
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 12px;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--cyan);
        }
        .avatar-circle {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, #4E7CFF, #2DE2FF);
            border: 2px solid rgba(255, 255, 255, 0.2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
        }

        /* article panel */
        .article-shell {
            max-width: 860px;
            margin: 24px auto 40px;
            background: linear-gradient(145deg, rgba(16, 28, 50, 0.77), rgba(10, 18, 34, 0.68));
            border: 1px solid rgba(152, 190, 232, 0.16);
            border-radius: 24px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            padding: clamp(22px, 4vw, 48px);
            position: relative;
            overflow: hidden;
        }
        .article-shell::before {
            content: "";
            position: absolute;
            top: 0;
            left: 6%;
            right: 6%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(45, 226, 255, 0.8), transparent);
            pointer-events: none;
        }
        .article-content {
            max-width: 760px;
            margin-inline: auto;
            font-size: 17px;
            line-height: 1.95;
            color: #D3E2FF;
        }
        .article-content p {
            margin-bottom: 24px;
        }
        .article-content h2 {
            font-size: 26px;
            font-weight: 800;
            color: #FFFFFF;
            margin: 52px 0 20px;
            padding-left: 18px;
            position: relative;
            line-height: 1.45;
        }
        .article-content h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--brand-light), var(--cyan));
            box-shadow: 0 0 12px rgba(45, 226, 255, 0.6);
        }
        .article-content h3 {
            font-size: 21px;
            font-weight: 750;
            color: #F0F5FF;
            margin-top: 38px;
            margin-bottom: 14px;
        }
        .article-content ul,
        .article-content ol {
            margin: 18px 0 26px;
            padding-left: 28px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .article-content a {
            color: var(--cyan);
            border-bottom: 1px solid rgba(45, 226, 255, 0.45);
            transition: border-color .2s ease, color .2s ease;
        }
        .article-content a:hover {
            color: #fff;
            border-color: #fff;
        }
        .article-content blockquote {
            margin: 30px 0;
            padding: 18px 22px;
            background: rgba(43, 92, 246, 0.12);
            border-left: 4px solid var(--cyan);
            border-radius: 0 16px 16px 0;
            color: #BDD1FA;
            font-style: normal;
        }
        .article-content blockquote p {
            margin-bottom: 6px;
        }
        .article-content img {
            border-radius: 16px;
            max-width: 100%;
            height: auto;
            margin: 26px auto;
            display: block;
            box-shadow: 0 16px 42px rgba(2, 5, 16, 0.6);
            border: 1px solid rgba(152, 190, 232, 0.12);
        }
        .article-content table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
            font-size: 15px;
            background: rgba(7, 14, 30, 0.4);
            border-radius: 14px;
            overflow: hidden;
        }
        .article-content th {
            background: rgba(43, 92, 246, 0.25);
            color: #E2E9FF;
            text-align: left;
            padding: 12px 16px;
            font-weight: 700;
        }
        .article-content td {
            padding: 11px 16px;
            border-top: 1px solid rgba(152, 190, 232, 0.10);
            color: #C9D8F5;
        }
        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 3px 7px;
            color: #9FE9FF;
            font-size: 14px;
        }

        .article-end {
            margin-top: 46px;
            border-top: 1px solid rgba(161, 185, 232, 0.14);
            padding-top: 26px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .article-tags {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            font-size: 13px;
            border: 1px solid rgba(152, 190, 232, 0.22);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 999px;
            color: var(--text-sub);
        }
        .article-tags .tag i {
            color: var(--cyan);
        }
        .share-row {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-sub);
        }
        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(152, 190, 232, 0.26);
            background: rgba(255, 255, 255, 0.05);
            color: #D7E3FF;
            transition: all .2s ease;
            cursor: pointer;
        }
        .icon-btn:hover {
            border-color: var(--cyan);
            color: #fff;
            box-shadow: 0 0 14px rgba(45, 226, 255, 0.25);
            transform: translateY(-2px);
        }

        /* page nav cards */
        .adjacent-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
            margin-top: 28px;
        }
        .adjacent-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(161, 185, 232, 0.14);
            border-radius: 18px;
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all .24s ease;
            position: relative;
            overflow: hidden;
        }
        .adjacent-card:hover {
            background: rgba(43, 92, 246, 0.12);
            border-color: rgba(45, 226, 255, 0.38);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(2, 5, 18, 0.4);
        }
        .adjacent-card small {
            color: var(--cyan);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .08em;
        }
        .adjacent-card strong {
            color: #E9F0FF;
            font-size: 16px;
            font-weight: 700;
        }

        /* related section */
        .related-panel {
            margin: 30px auto 60px;
        }
        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 20px;
        }
        .section-kicker {
            color: var(--cyan);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .18em;
            text-transform: uppercase;
        }
        .related-header h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .content-card {
            background: linear-gradient(150deg, rgba(16, 30, 53, 0.78), rgba(9, 17, 33, 0.80));
            border: 1px solid rgba(152, 190, 232, 0.16);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 16px 42px rgba(2, 6, 18, 0.45);
            transition: all .25s ease;
        }
        .content-card:hover {
            transform: translateY(-4px);
            border-color: rgba(45, 226, 255, 0.45);
            box-shadow: 0 24px 50px rgba(2, 6, 18, 0.56), 0 0 18px rgba(45, 226, 255, 0.08);
        }
        .content-card .thumb {
            height: 176px;
            overflow: hidden;
            position: relative;
        }
        .content-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .content-card:hover .thumb img {
            transform: scale(1.04);
        }
        .content-card .body {
            padding: 20px 22px 22px;
        }
        .content-card h3 {
            font-size: 18px;
            font-weight: 750;
            color: #F1F6FF;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .content-card p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--cyan);
        }
        .content-card .card-link i {
            transition: transform .2s ease;
        }
        .content-card .card-link:hover i {
            transform: translateX(5px);
        }

        .bottom-cta {
            background: linear-gradient(135deg, rgba(21, 39, 73, 0.95), rgba(19, 33, 63, 0.86));
            border: 1px solid rgba(45, 226, 255, 0.28);
            border-radius: 24px;
            padding: 42px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 60px;
        }
        .bottom-cta::before {
            content: "";
            position: absolute;
            inset: -1px;
            background: linear-gradient(90deg, transparent 10%, rgba(45, 226, 255, 0.22), transparent 90%);
            animation: glowSlide 3.8s ease-in-out infinite;
            pointer-events: none;
        }
        @keyframes glowSlide {
            0%, 100% { opacity: 0.25; transform: translateX(-4%); }
            50% { opacity: 0.8; transform: translateX(3%); }
        }
        .bottom-cta h2 {
            font-size: clamp(24px, 3.4vw, 34px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .bottom-cta p {
            color: var(--text-sub);
            max-width: 560px;
            margin-inline: auto;
            font-size: 15px;
        }
        .bottom-cta .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-top: 24px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 10px 22px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.26);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-weight: 600;
            transition: all .22s ease;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: var(--cyan);
            box-shadow: 0 0 18px rgba(45, 226, 255, 0.2);
            color: var(--cyan);
        }

        /* empty state */
        .empty-state {
            max-width: 680px;
            margin: 80px auto 120px;
            background: rgba(13, 24, 45, 0.72);
            border: 1px solid rgba(152, 190, 232, 0.15);
            border-radius: 24px;
            padding: 56px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(14px);
        }
        .empty-state i {
            font-size: 46px;
            color: var(--cyan);
            margin-bottom: 16px;
            display: block;
            opacity: 0.8;
        }
        .empty-state h1 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .empty-state p {
            color: var(--text-sub);
            margin-bottom: 26px;
        }

        /* footer */
        .site-footer {
            background: rgba(5, 10, 23, 0.94);
            border-top: 1px solid rgba(161, 185, 232, 0.12);
            padding: 46px 0 22px;
            margin-top: 30px;
            position: relative;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 8%;
            right: 8%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(45, 226, 255, 0.6), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr 0.8fr 1fr 0.95fr;
            gap: 34px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.85;
            max-width: 340px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #F1F6FF;
            letter-spacing: .05em;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-title::before {
            content: "";
            width: 6px;
            height: 14px;
            background: linear-gradient(180deg, var(--brand-light), var(--cyan));
            border-radius: 3px;
            display: inline-block;
            box-shadow: 0 0 8px rgba(45, 226, 255, 0.4);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-sub);
            font-size: 14px;
            transition: all .2s ease;
            padding: 3px 0;
        }
        .footer-col ul li a:hover {
            color: var(--cyan);
            padding-left: 6px;
        }
        .footer-contact li {
            color: var(--text-sub);
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--cyan);
            width: 18px;
            text-align: center;
            margin-top: 4px;
        }
        .friend-links {
            margin-top: 36px;
            padding: 16px 0 12px;
            border-top: 1px solid rgba(161, 185, 232, 0.1);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-mute);
        }
        .friend-links a {
            color: var(--text-sub);
        }
        .friend-links a:hover {
            color: var(--cyan);
        }
        .copyright-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #60779E;
            margin-top: 12px;
        }
        .copyright-row span i {
            color: rgba(255, 255, 255, 0.14);
            margin-inline: 5px;
        }

        /* animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @media (max-width: 1024px) {
            .desktop-nav {
                gap: 0;
            }
            .nav-item {
                padding: 8px 10px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding-top: 8px;
            }
            .nav-hull {
                padding: 8px 10px;
                border-radius: 18px;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: inline-flex;
            }
            .logo-text {
                font-size: 18px;
            }
            .article-shell {
                padding: 20px 18px;
                border-radius: 18px;
            }
            .article-content {
                font-size: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .adjacent-cards {
                grid-template-columns: 1fr;
            }
            .bottom-cta {
                padding: 34px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-inline: 14px;
            }
            .nav-actions .btn-primary {
                display: none;
            }
            .hamburger {
                display: inline-flex;
            }
            .nav-actions {
                gap: 4px;
            }
            .article-head h1 {
                font-size: 28px;
            }
            .article-meta {
                gap: 8px;
                font-size: 13px;
                flex-direction: column;
            }
            .related-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb {
                border-radius: 14px;
                padding: 8px 12px;
                font-size: 12px;
            }
            .friend-links,
            .copyright-row {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --page-bg: #0A0F1F;
            --page-bg-deep: #070C18;
            --panel: rgba(15, 28, 48, 0.62);
            --panel-light: rgba(22, 38, 62, 0.5);
            --brand: #2B5CF6;
            --brand-hover: #4E7CFF;
            --cyan: #2DE2FF;
            --orange: #FF7A18;
            --text-main: #E9F0FF;
            --text-sub: #9FB0D4;
            --text-muted: #5F719A;
            --border: rgba(140, 172, 224, 0.18);
            --border-light: rgba(120, 164, 226, 0.28);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 18px 40px rgba(2, 8, 24, 0.5);
            --shadow-cyan: 0 0 0 1px rgba(45, 226, 255, 0.16), 0 12px 36px rgba(43, 92, 246, 0.28);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'HarmonicOS Sans', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--page-bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background:
                linear-gradient(rgba(72, 117, 212, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(72, 117, 212, 0.04) 1px, transparent 1px);
            background-size: 46px 46px;
            mask-image: radial-gradient(ellipse at 50% 0%, #000 10%, transparent 78%);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
        }

        section {
            scroll-margin-top: 100px;
        }

        .section-line {
            height: 1px;
            border: 0;
            background: linear-gradient(90deg, transparent, rgba(45, 226, 255, 0.18), transparent);
            margin: 0;
        }

        .text-gradient {
            background: linear-gradient(110deg, #FFFFFF 0%, #CFE0FF 38%, #2DE2FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            padding: 14px 0 0;
            background: linear-gradient(180deg, rgba(6, 10, 20, 0.82), rgba(6, 10, 20, 0));
        }

        .site-header .container {
            padding-top: 0;
            padding-bottom: 0;
        }

        .nav-hull {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: linear-gradient(135deg, rgba(18, 30, 56, 0.88), rgba(10, 17, 34, 0.68));
            border: 1px solid rgba(147, 188, 255, 0.2);
            border-radius: 20px;
            padding: 12px 18px;
            box-shadow: 0 10px 36px rgba(2, 8, 22, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            filter: drop-shadow(0 8px 20px rgba(43, 92, 246, 0.45));
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            letter-spacing: .04em;
            white-space: nowrap;
        }

        .logo-text small {
            display: block;
            margin-top: 2px;
            font-family: 'Rajdhani', sans-serif;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: .16em;
            color: #6FA8FF;
            opacity: .9;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(6, 12, 29, 0.24);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 999px;
            padding: 4px;
        }

        .desktop-nav .nav-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: #B7C4E0;
            white-space: nowrap;
            transition: all .25s ease;
        }

        .desktop-nav .nav-item::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 3px;
            transform: translateX(-50%) scaleX(0);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--brand-hover), var(--cyan));
            box-shadow: 0 0 10px var(--cyan);
            transition: transform .25s ease;
        }

        .desktop-nav .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .desktop-nav .nav-item:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .desktop-nav .nav-item.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(43, 92, 246, 0.18), rgba(45, 226, 255, 0.12));
            border: 1px solid rgba(45, 226, 255, 0.22);
            box-shadow: inset 0 0 12px rgba(45, 226, 255, 0.07);
        }

        .desktop-nav .nav-item.active::after {
            transform: translateX(-50%) scaleX(1);
            background: linear-gradient(90deg, #4E7CFF, #2DE2FF);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            transition: all .25s ease;
        }

        .hamburger:hover {
            border-color: var(--cyan);
            color: var(--cyan);
            box-shadow: 0 0 20px rgba(45, 226, 255, 0.2);
        }

        .hamburger:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .mobile-drawer {
            display: none;
            margin-top: 12px;
            overflow: hidden;
            max-height: 0;
            opacity: 0;
            background: rgba(11, 18, 36, 0.94);
            border: 1px solid rgba(140, 172, 224, 0.16);
            border-radius: 20px;
            backdrop-filter: blur(22px);
            transition: max-height .35s ease, opacity .3s ease, padding .3s ease;
            box-shadow: 0 18px 40px rgba(2, 7, 18, 0.5);
        }

        .mobile-drawer.open {
            display: block;
            max-height: 420px;
            opacity: 1;
            padding: 10px;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .drawer-nav .nav-item {
            display: block;
            padding: 14px 20px;
            font-size: 16px;
            color: var(--text-main);
            border-radius: 14px;
            border: 1px solid transparent;
        }

        .drawer-nav .nav-item:hover,
        .drawer-nav .nav-item.active {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(45, 226, 255, 0.22);
            color: #fff;
        }

        .drawer-nav .btn-primary {
            margin-top: 8px;
            text-align: center;
        }

        @media (max-width: 1023.98px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: inline-flex;
            }
            .btn-sm {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

        @media (max-width: 640.98px) {
            .site-header {
                padding-top: 10px;
            }
            .nav-hull {
                border-radius: 16px;
                padding: 10px 12px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-text small {
                font-size: 9px;
            }
            .logo-mark svg {
                width: 30px;
                height: 30px;
            }
            .hamburger {
                width: 38px;
                height: 38px;
            }
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            font-size: 15px;
            font-weight: 700;
            padding: 13px 26px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.09);
            color: #fff;
            background: linear-gradient(135deg, #2B5CF6 0%, #2F6BFF 58%, #42B6FF 130%);
            box-shadow: 0 10px 28px rgba(43, 92, 246, 0.42), 0 0 18px rgba(45, 226, 255, 0.12);
            transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px) scale(1.01);
            box-shadow: 0 16px 40px rgba(43, 92, 246, 0.55), 0 0 30px rgba(45, 226, 255, 0.22);
            filter: brightness(1.05);
        }

        .btn-primary:active {
            transform: translateY(0) scale(.98);
            box-shadow: 0 6px 16px rgba(43, 92, 246, 0.35);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .nav-item:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .btn-primary.btn-sm {
            padding: 10px 18px;
            font-size: 14px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 24px;
            border-radius: 12px;
            color: #fff;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(177, 202, 242, 0.28);
            backdrop-filter: blur(10px);
            transition: all .25s ease;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--cyan);
            color: #fff;
            box-shadow: 0 0 22px rgba(45, 226, 255, 0.12);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        .btn-block {
            width: 100%;
        }

        /* Section spacing */
        .section-block {
            position: relative;
            padding-top: 88px;
            padding-bottom: 88px;
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding-top: 52px;
                padding-bottom: 52px;
            }
        }

        .section-head {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 42px;
        }

        .section-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            border: 1px solid rgba(45, 226, 255, 0.22);
            background: rgba(45, 226, 255, 0.05);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .04em;
            margin-bottom: 20px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.3rem);
            line-height: 1.3;
            color: #fff;
            font-weight: 800;
            margin: 0 0 14px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            color: var(--text-sub);
            font-size: 16px;
            line-height: 1.8;
            margin: 0;
        }

        .section-desc strong {
            color: #fff;
        }

        /* Page hero */
        .page-hero {
            position: relative;
            padding: 72px 0 54px;
            border-bottom: 1px solid rgba(140, 172, 224, 0.12);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: -1;
            background:
                linear-gradient(115deg, rgba(10, 15, 31, 0.78), rgba(9, 16, 34, 0.58)),
                radial-gradient(circle at 18% 0%, rgba(43, 92, 246, 0.28), transparent 44%),
                linear-gradient(0deg, rgba(7, 12, 24, 0.4), rgba(7, 12, 24, 0.4)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 10%;
            width: 330px;
            height: 170px;
            background: radial-gradient(ellipse, rgba(45, 226, 255, 0.22), transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .crumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 22px;
        }

        .crumb a {
            color: #CCD8F5;
        }

        .crumb a:hover {
            color: var(--cyan);
        }

        .crumb i {
            font-size: 10px;
            color: var(--text-muted);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 44px;
            align-items: center;
            z-index: 1;
            position: relative;
        }

        .hero-title {
            font-size: clamp(2.1rem, 5vw, 3.6rem);
            line-height: 1.15;
            font-weight: 800;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: -0.02em;
        }

        .hero-lead {
            color: #C7D4F2;
            font-size: 17px;
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-aside {
            background: linear-gradient(135deg, rgba(18, 30, 54, 0.7), rgba(8, 16, 34, 0.7));
            border: 1px solid rgba(157, 194, 245, 0.2);
            border-radius: 24px;
            padding: 28px;
            backdrop-filter: blur(14px);
            box-shadow: 0 24px 54px rgba(2, 8, 20, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04);
            box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 24px 54px rgba(2, 8, 20, 0.5);
            position: relative;
            overflow: hidden;
        }

        .hero-aside::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--cyan), transparent);
            opacity: .6;
        }

        .hero-aside h2 {
            font-size: 24px;
            color: #fff;
            margin: 14px 0 12px;
        }

        .hero-aside p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
            margin: 0 0 24px;
        }

        @media (max-width: 1023.98px) {
            .page-hero {
                padding-top: 52px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-aside {
                max-width: 560px;
            }
        }

        @media (max-width: 639.98px) {
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
            }
        }

        /* Glass card */
        .glass-card {
            background: linear-gradient(145deg, rgba(25, 42, 66, 0.52), rgba(16, 26, 48, 0.72));
            border: 1px solid rgba(157, 190, 238, 0.16);
            border-radius: var(--radius-lg);
            box-shadow: 0 14px 38px rgba(3, 8, 20, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.035);
            position: relative;
        }

        /* Story split */
        .split-story {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: stretch;
        }

        .story-media {
            position: relative;
            min-height: 380px;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }

        .story-media img {
            width: 100%;
            height: 100%;
            position: absolute;
            inset: 0;
            object-fit: cover;
        }

        .story-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, transparent 30%, rgba(5, 10, 22, 0.65) 100%);
        }

        .story-media .media-caption {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            z-index: 2;
        }

        .story-media .badge {
            display: inline-block;
            color: var(--cyan);
            font-size: 13px;
            font-weight: 600;
            background: rgba(45, 226, 255, 0.1);
            border: 1px solid rgba(45, 226, 255, 0.28);
            border-radius: 99px;
            padding: 5px 13px;
        }

        .story-media .media-caption p {
            margin: 10px 0 0;
            color: #F0F5FF;
            font-size: 16px;
            font-weight: 600;
            text-shadow: 0 3px 18px rgba(0, 0, 0, 0.5);
        }

        .story-copy {
            padding: 0 8px;
        }

        .story-copy .eyebrow {
            color: var(--cyan);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .06em;
            margin-bottom: 18px;
        }

        .story-copy h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.1rem);
            line-height: 1.3;
            margin: 0 0 22px;
            color: #fff;
        }

        .story-copy p {
            color: var(--text-sub);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 22px;
        }

        .feature-list {
            list-style: none;
            margin: 26px 0 0;
            padding: 0;
            display: grid;
            gap: 14px;
        }

        .feature-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: #D6E0F5;
            font-size: 15px;
        }

        .feature-list i {
            color: var(--cyan);
            background: rgba(45, 226, 255, 0.14);
            border: 1px solid rgba(45, 226, 255, 0.16);
            border-radius: 50%;
            width: 24px;
            height: 24px;
            font-size: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 4px;
            box-shadow: 0 0 14px rgba(45, 226, 255, 0.14);
        }

        @media (max-width: 1023.98px) {
            .split-story {
                grid-template-columns: 1fr;
            }
            .story-media {
                min-height: 320px;
            }
        }

        @media (max-width: 639.98px) {
            .story-copy {
                padding: 0;
            }
        }

        /* Stats */
        .stats-section {
            background: linear-gradient(180deg, rgba(11, 20, 36, 0.2), rgba(8, 13, 26, 0.7));
            border-top: 1px solid rgba(140, 172, 224, 0.08);
            border-bottom: 1px solid rgba(140, 172, 224, 0.08);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }

        .stat-card {
            padding: 26px 20px;
            border-radius: 18px;
            text-align: center;
            background: linear-gradient(150deg, rgba(22, 38, 64, 0.5), rgba(8, 15, 32, 0.72));
            border: 1px solid rgba(157, 190, 238, 0.12);
            position: relative;
            transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: -1px;
            width: 40%;
            height: 2px;
            border-radius: 2px;
            background: transparent;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            border-color: rgba(45, 226, 255, 0.35);
            box-shadow: 0 16px 36px rgba(2, 8, 20, 0.3);
        }

        .stat-card:hover::after {
            background: linear-gradient(90deg, transparent, var(--cyan), transparent);
        }

        .stat-icon {
            width: 50px;
            height: 50px;
            margin: 0 auto 14px;
            border-radius: 14px;
            background: linear-gradient(140deg, rgba(43, 92, 246, 0.2), rgba(45, 226, 255, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(45, 226, 255, 0.18);
            color: var(--cyan);
            font-size: 20px;
            box-shadow: 0 0 28px rgba(45, 226, 255, 0.08);
        }

        .stat-num {
            font-family: 'Rajdhani', sans-serif;
            font-weight: 700;
            font-size: clamp(2rem, 4vw, 3rem);
            line-height: 1.1;
            color: #fff;
        }

        .stat-num small {
            font-size: 1.1rem;
            color: var(--cyan);
            margin-left: 3px;
        }

        .stat-label {
            color: var(--text-sub);
            font-size: 14px;
            margin-top: 8px;
        }

        .data-note {
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
            margin-top: 24px;
        }

        @media (max-width: 1023.98px) {
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 680.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        /* Honor dual cards */
        .honor-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .honor-card {
            padding: 30px;
            border-radius: 24px;
            position: relative;
            overflow: hidden;
        }

        .honor-card .card-tag {
            color: var(--cyan);
            font-weight: 700;
            letter-spacing: .05em;
            margin-bottom: 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .honor-card h3 {
            font-size: 24px;
            line-height: 1.4;
            color: #fff;
            font-weight: 800;
            margin: 0 0 16px;
        }

        .honor-card p {
            color: var(--text-sub);
            line-height: 1.85;
            margin: 0 0 24px;
            font-size: 15px;
        }

        .honor-media {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(157, 190, 238, 0.16);
            min-height: 200px;
            margin-bottom: 18px;
        }

        .honor-media img {
            width: 100%;
            height: 100%;
            min-height: 200px;
            object-fit: cover;
        }

        .honor-media .play-mark {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 64px;
            height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(5, 12, 25, 0.55);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 20px;
            transition: all .3s ease;
        }

        .honor-media .play-mark i {
            margin-left: 3px;
        }

        .honor-media:hover .play-mark {
            background: rgba(43, 92, 246, 0.7);
            box-shadow: 0 0 36px rgba(45, 226, 255, 0.5);
        }

        .btn-under {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            font-weight: 600;
            color: #fff;
            border-bottom: 1px solid rgba(45, 226, 255, .6);
            padding-bottom: 5px;
            transition: all .2s ease;
        }

        .btn-under i {
            color: var(--cyan);
        }

        .btn-under:hover {
            color: var(--cyan);
        }

        .milestone-card {
            display: flex;
            flex-direction: column;
        }

        .milestone-list {
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
        }

        .milestone-list::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 14px;
            bottom: 8px;
            width: 1px;
            background: linear-gradient(180deg, rgba(45, 226, 255, .5), rgba(43, 92, 246, .12));
        }

        .milestone-list li {
            position: relative;
            padding: 0 0 26px 34px;
        }

        .milestone-list li:last-child {
            padding-bottom: 0;
        }

        .dot {
            position: absolute;
            left: 0;
            top: 3px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: #14213E;
            border: 2px solid var(--cyan);
            box-shadow: 0 0 12px rgba(45, 226, 255, .35);
        }

        .ms-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 5px;
        }

        .ms-text {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
        }

        .ms-date {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: #8FA6D4;
            background: rgba(255, 255, 255, 0.05);
            padding: 3px 11px;
            border-radius: 99px;
            margin-bottom: 8px;
            border: 1px solid rgba(157, 190, 238, .16);
        }

        @media (max-width: 1023.98px) {
            .honor-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 639.98px) {
            .honor-card {
                padding: 22px;
            }
            .honor-media img {
                min-height: 180px;
            }
        }

        /* CTA */
        .cta-block {
            position: relative;
            border-radius: 28px;
            padding: 64px 24px;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(9, 18, 38, .92), rgba(13, 27, 52, .85));
            border: 1px solid rgba(45, 226, 255, .24);
            box-shadow: 0 24px 60px rgba(3, 8, 20, .5);
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 18% 0%, rgba(43, 92, 246, .4), transparent 44%),
                radial-gradient(circle at 80% 80%, rgba(45, 226, 255, .16), transparent 42%);
        }

        .cta-block::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--cyan), transparent);
            opacity: .7;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-content h2 {
            font-size: clamp(1.7rem, 3.4vw, 2.7rem);
            line-height: 1.25;
            color: #fff;
            font-weight: 800;
            margin: 0 auto 20px;
            max-width: 760px;
        }

        .cta-content p {
            color: #C4D1EA;
            font-size: 17px;
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 520px) {
            .cta-block {
                padding: 48px 20px;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
            }
        }

        /* FAQ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: linear-gradient(145deg, rgba(25, 42, 66, 0.32), rgba(13, 21, 40, 0.5));
            border: 1px solid rgba(157, 190, 238, 0.14);
            border-radius: 18px;
            margin-bottom: 16px;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item.open {
            border-color: rgba(45, 226, 255, 0.28);
            box-shadow: 0 10px 32px rgba(2, 7, 18, 0.34);
        }

        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            width: 100%;
            text-align: left;
            background: transparent;
            border: 0;
            color: #F0F5FF;
            font-size: 16px;
            font-weight: 600;
            padding: 22px 24px;
            line-height: 1.5;
        }

        .faq-q .faq-mark {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(45, 226, 255, 0.08);
            border: 1px solid rgba(45, 226, 255, 0.18);
            color: var(--cyan);
            font-size: 12px;
            flex-shrink: 0;
        }

        .faq-q i.fa-chevron-down {
            color: #8FA6D4;
            transition: transform .3s ease;
            font-size: 13px;
            flex-shrink: 0;
        }

        .faq-item.open .faq-q i.fa-chevron-down {
            transform: rotate(180deg);
            color: var(--cyan);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows .35s ease, opacity .3s ease;
            opacity: 0;
        }

        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
            opacity: 1;
        }

        .faq-a-inner {
            overflow: hidden;
            padding-left: 24px;
            padding-right: 24px;
        }

        .faq-a-inner p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.9;
            margin: 0 0 20px;
            border-left: 2px solid rgba(45, 226, 255, 0.3);
            padding-left: 18px;
        }

        /* Contact strip */
        .contact-strip {
            border-radius: 22px;
            background: linear-gradient(135deg, rgba(18, 34, 60, .55), rgba(9, 16, 34, .55));
            border: 1px solid rgba(45, 226, 255, .14);
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .contact-strip .cs-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .cs-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(43, 92, 246, 0.2);
            border: 1px solid rgba(45, 226, 255, 0.25);
            color: var(--cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .cs-text {
            font-size: 15px;
            color: var(--text-sub);
        }

        .cs-text strong {
            display: block;
            color: #fff;
            font-size: 18px;
            margin-bottom: 2px;
        }

        @media (max-width: 639.98px) {
            .contact-strip {
                padding: 20px;
            }
            .contact-strip .btn-primary {
                width: 100%;
            }
            .cs-left {
                width: 100%;
            }
        }

        /* Footer */
        .site-footer {
            background: linear-gradient(180deg, rgba(8, 12, 24, .85), #05080F);
            border-top: 1px solid rgba(157, 190, 238, .1);
            padding-top: 60px;
            color: #9FB0D4;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.7fr 1fr 1.2fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: #8DA3C8;
            line-height: 1.85;
            font-size: 14px;
            max-width: 360px;
            margin: 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--brand-hover), var(--cyan));
            box-shadow: 0 0 12px rgba(45, 226, 255, .3);
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 10px;
        }

        .footer-col a {
            color: #8DA3C8;
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-col a:hover i {
            color: var(--cyan);
        }

        .footer-col li {
            color: #8DA3C8;
        }

        .footer-col i {
            width: 20px;
            color: #6A89C2;
            text-align: center;
            transition: color .2s ease;
        }

        .friend-links {
            border-top: 1px solid rgba(157, 190, 238, 0.1);
            padding: 18px 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 18px;
            font-size: 13px;
            color: #6D83AC;
        }

        .friend-links span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .friend-links a {
            color: #8DA3C8;
        }

        .friend-links a:hover {
            color: #fff;
        }

        .friend-links i {
            color: #5273A4;
        }

        .footer-bottom {
            border-top: 1px solid rgba(157, 190, 238, 0.08);
            padding: 18px 0 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: #5F719A;
            font-size: 13px;
        }

        .footer-bottom a {
            color: #7E93BA;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 1023.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px 28px;
            }
        }

        @media (max-width: 639.98px) {
            .site-footer {
                padding-top: 44px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --page-bg: #0a0f1f;
            --panel-bg: rgba(15, 28, 48, 0.64);
            --panel-deep: rgba(7, 13, 26, 0.88);
            --brand: #2B5CF6;
            --brand-light: #4E7CFF;
            --cyan: #2DE2FF;
            --orange: #FF7A18;
            --pink: #FF4D6A;
            --success: #31D49C;
            --text: #E9F0FF;
            --text-muted: #9FB0D4;
            --text-dim: #6A82B8;
            --border: rgba(139, 165, 210, 0.16);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            --glow: 0 0 22px rgba(45, 226, 255, 0.45);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
            background-color: var(--page-bg);
            background-image:
                radial-gradient(ellipse 36% 30% at 78% 8%, rgba(43, 92, 246, 0.24), transparent 70%),
                radial-gradient(ellipse 26% 22% at 8% 18%, rgba(45, 226, 255, 0.10), transparent 70%);
            background-repeat: no-repeat;
            background-attachment: fixed;
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container.narrow {
            max-width: 940px;
        }

        /* 导航 */
        .site-header {
            padding-top: 16px;
            z-index: 50;
            position: relative;
        }

        .nav-hull {
            display: flex;
            align-items: center;
            border: 1px solid rgba(147, 175, 220, 0.18);
            background: rgba(10, 17, 34, 0.80);
            border-radius: 18px;
            box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(18px);
            min-height: 72px;
            padding: 10px 14px 10px 18px;
            gap: 10px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.02em;
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .logo-text small {
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 0.22em;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }

        .desktop-nav .nav-item {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-muted);
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .desktop-nav .nav-item:hover {
            color: #fff;
            border-color: var(--border);
            background: rgba(255, 255, 255, 0.03);
        }

        .desktop-nav .nav-item.active {
            background: linear-gradient(135deg, rgba(43, 92, 246, 0.26), rgba(45, 226, 255, 0.10));
            color: #fff;
            border-color: rgba(45, 226, 255, 0.32);
            box-shadow: inset 0 -2px 0 var(--cyan);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }

        .btn-primary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-weight: 700;
            cursor: pointer;
            border: none;
            transition: all 0.25s ease;
        }

        .btn-primary {
            color: #fff;
            background: linear-gradient(120deg, #2B5CF6, #18A3FF, #2DE2FF);
            box-shadow: 0 8px 22px rgba(43, 92, 246, 0.32), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
            min-height: 44px;
            padding: 0 22px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 13px 30px rgba(45, 226, 255, 0.36), 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
        }

        .btn-primary:active {
            transform: translateY(0px);
            box-shadow: 0 5px 12px rgba(43, 92, 246, 0.36);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
        }

        .btn-sm {
            min-height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-ghost {
            color: var(--text);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.24);
            min-height: 44px;
            padding: 0 22px;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(45, 226, 255, 0.72);
            color: #fff;
            box-shadow: 0 0 18px rgba(45, 226, 255, 0.15);
        }

        .btn-ghost:active {
            transform: translateY(1px);
        }

        .btn-lg {
            min-height: 54px;
            padding: 0 32px;
            font-size: 17px;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            display: none;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
        }

        .mobile-drawer {
            display: none;
            position: absolute;
            left: 20px;
            right: 20px;
            top: 82px;
            z-index: 60;
            background: rgba(8, 15, 30, 0.96);
            border: 1px solid rgba(139, 165, 210, 0.28);
            border-radius: 20px;
            padding: 16px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: 0.3s ease;
            backdrop-filter: blur(20px);
        }

        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .drawer-nav .nav-item {
            display: block;
            padding: 12px 14px;
            border-radius: 12px;
            color: var(--text-muted);
            font-weight: 600;
            border: 1px solid transparent;
        }

        .drawer-nav .nav-item.active {
            color: #fff;
            border-color: rgba(45, 226, 255, 0.34);
            background: rgba(43, 92, 246, 0.18);
        }

        .drawer-nav .btn-primary {
            margin-top: 8px;
        }

        @media (max-width: 820px) {
            .desktop-nav {
                display: none;
            }

            .hamburger {
                display: inline-flex;
            }

            .nav-hull {
                padding-left: 14px;
            }
        }

        /* Hero */
        .category-hero {
            margin: 28px 0 0;
            border-radius: 28px;
            min-height: 520px;
            position: relative;
            overflow: hidden;
            background-image:
                linear-gradient(120deg, rgba(7, 12, 27, 0.45), rgba(7, 12, 27, 0.78)),
                url('/assets/images/backpic/back-3.png');
            background-position: center;
            background-size: cover;
            border: 1px solid rgba(139, 165, 210, 0.18);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                linear-gradient(115deg, rgba(45, 226, 255, 0.18), transparent 38%),
                radial-gradient(ellipse 40% 50% at 88% 10%, rgba(43, 92, 246, 0.55), transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 32px;
            align-items: center;
            padding-top: 56px;
            padding-bottom: 76px;
            position: relative;
            z-index: 2;
        }

        .hero-copy {
            grid-column: 1 / span 7;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 14px;
            border-radius: 999px;
            background: rgba(45, 226, 255, 0.10);
            border: 1px solid rgba(45, 226, 255, 0.28);
            color: var(--cyan);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }

        .hero-title {
            font-size: clamp(2.3rem, 5vw, 4.2rem);
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.01em;
            margin-bottom: 22px;
        }

        .hero-title .text-gradient {
            background: linear-gradient(115deg, #4E7CFF, #2DE2FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 34px;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 14px;
        }

        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust i {
            color: var(--cyan);
            width: 16px;
            text-align: center;
        }

        .hero-side {
            grid-column: 8 / span 5;
            background: rgba(10, 19, 36, 0.66);
            border: 1px solid rgba(139, 165, 210, 0.22);
            border-radius: 24px;
            padding: 28px 24px 22px;
            backdrop-filter: blur(18px);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .hero-side::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(45, 226, 255, 0.20), transparent 70%);
        }

        .side-title {
            font-size: 15px;
            color: var(--cyan);
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .stat-card {
            border: 1px solid var(--border);
            border-radius: 16px;
            background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
            padding: 16px 14px;
        }

        .stat-value {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(115deg, #ffffff, #9FE5FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        @media (max-width: 1024px) {
            .category-hero .container {
                grid-template-columns: 1fr;
                padding-top: 42px;
                padding-bottom: 46px;
            }

            .hero-copy,
            .hero-side {
                grid-column: 1;
            }

            .hero-side {
                max-width: 720px;
            }
        }

        /* 通用版块 */
        .section-block {
            padding-top: 78px;
        }

        .section-header {
            max-width: 760px;
            margin-bottom: 38px;
        }

        .section-eyebrow {
            color: var(--cyan);
            font-weight: 700;
            letter-spacing: 0.08em;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .section-eyebrow::before {
            content: "";
            width: 26px;
            height: 2px;
            background: linear-gradient(90deg, var(--cyan), transparent);
            border-radius: 4px;
        }

        .section-title {
            font-size: clamp(1.7rem, 2.8vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .section-foot {
            display: flex;
            justify-content: center;
            margin-top: 34px;
        }

        /* Quick */
        .quick-section {
            margin-top: 74px;
        }

        .quick-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .quick-card {
            border: 1px solid var(--border);
            border-radius: 18px;
            background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
            padding: 24px 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .quick-card::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--brand), var(--cyan));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .quick-card:hover {
            transform: translateY(-5px);
            border-color: rgba(45, 226, 255, 0.34);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.30), 0 0 0 1px rgba(45, 226, 255, 0.10);
        }

        .quick-card:hover::after {
            transform: scaleX(1);
        }

        .quick-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            background: linear-gradient(135deg, rgba(43, 92, 246, 0.85), rgba(45, 226, 255, 0.5));
            margin-bottom: 18px;
            box-shadow: 0 0 24px rgba(43, 92, 246, 0.24);
        }

        .quick-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .quick-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .quick-arrow {
            display: inline-block;
            margin-top: 14px;
            color: var(--cyan);
            font-size: 13px;
            font-weight: 600;
        }

        @media (max-width: 1100px) {
            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .quick-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 场馆区域 */
        .venue-filter-area {
            margin-top: 48px;
        }

        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .filter-btn {
            border: 1px solid rgba(139, 165, 210, 0.24);
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-muted);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 18px;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .filter-btn:hover {
            color: #fff;
            border-color: rgba(45, 226, 255, 0.50);
            background: rgba(255, 255, 255, 0.06);
        }

        .filter-btn.active {
            color: #061015;
            background: linear-gradient(120deg, #4E7CFF, #2DE2FF);
            border-color: transparent;
            box-shadow: 0 0 18px rgba(45, 226, 255, 0.28);
            font-weight: 800;
        }

        .venue-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px 24px;
        }

        .venue-card {
            border: 1px solid var(--border);
            background: rgba(15, 26, 46, 0.56);
            border-radius: 22px;
            overflow: hidden;
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            backdrop-filter: blur(12px);
        }

        .venue-card:hover {
            transform: translateY(-6px);
            border-color: rgba(45, 226, 255, 0.42);
            box-shadow: 0 28px 60px rgba(0, 0, 0, 0.34), 0 0 22px rgba(45, 226, 255, 0.10);
        }

        .venue-card.hidden-card {
            display: none;
        }

        .venue-media {
            height: 240px;
            overflow: hidden;
            position: relative;
        }

        .venue-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .venue-card:hover .venue-media img {
            transform: scale(1.04);
        }

        .venue-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            border-radius: 999px;
            padding: 6px 14px;
            background: rgba(8, 16, 32, 0.72);
            border: 1px solid rgba(45, 226, 255, 0.34);
            color: var(--cyan);
            font-size: 12px;
            font-weight: 800;
            backdrop-filter: blur(10px);
        }

        .venue-body {
            padding: 22px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .venue-name {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .venue-feature {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .venue-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-dim);
            padding-top: 14px;
            border-top: 1px solid rgba(139, 165, 210, 0.10);
            margin-top: auto;
            margin-bottom: 16px;
        }

        .venue-meta i {
            color: var(--cyan);
            width: 15px;
        }

        .venue-meta .badge-hot {
            color: var(--orange);
        }

        .venue-action {
            display: flex;
        }

        .venue-action .btn-primary {
            width: auto;
        }

        .venue-action .btn-primary i {
            font-size: 13px;
        }

        @media (max-width: 860px) {
            .venue-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 课程中心 */
        .course-panel {
            background: linear-gradient(150deg, rgba(10, 22, 43, 0.84), rgba(10, 15, 31, 0.60));
            border: 1px solid rgba(139, 165, 210, 0.18);
            border-radius: 30px;
            padding: 30px 28px;
            overflow: hidden;
            position: relative;
        }

        .course-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .course-card {
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(139, 165, 210, 0.16);
            padding: 24px 20px;
            transition: all 0.3s ease;
        }

        .course-card:hover {
            transform: translateY(-5px);
            border-color: rgba(45, 226, 255, 0.40);
            background: rgba(255, 255, 255, 0.055);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.30);
        }

        .course-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(43, 92, 246, 0.8), rgba(45, 226, 255, 0.35));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 10px 28px rgba(43, 92, 246, 0.26);
        }

        .course-card h3 {
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .course-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 18px;
            min-height: 66px;
        }

        .course-meta {
            font-size: 13px;
            color: var(--text-dim);
            border-top: 1px solid rgba(139, 165, 210, 0.12);
            padding-top: 13px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .course-meta .needle {
            color: var(--cyan);
        }

        @media (max-width: 1100px) {
            .course-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .course-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 预约流程 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .step-card {
            text-align: left;
            border-radius: 20px;
            padding: 24px 20px;
            background: rgba(15, 26, 46, 0.42);
            border: 1px solid rgba(139, 165, 210, 0.13);
            transition: border-color 0.3s ease;
        }

        .step-card:hover {
            border-color: rgba(45, 226, 255, 0.40);
        }

        .step-num {
            font-size: 30px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 1.5px rgba(45, 226, 255, 0.64);
            line-height: 1;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
        }

        @media (max-width: 1080px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 500px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 价格/信息提示 */
        .rate-panel {
            border-radius: 28px;
            overflow: hidden;
            border: 1px solid var(--border);
            background: linear-gradient(130deg, rgba(7, 14, 29, 0.88), rgba(12, 26, 51, 0.76));
            position: relative;
        }

        .rate-panel .content-wrap {
            padding: 40px;
        }

        .rate-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 22px;
        }

        .rate-item {
            border: 1px solid rgba(139, 165, 210, 0.16);
            border-radius: 18px;
            padding: 18px;
            background: rgba(255, 255, 255, 0.035);
        }

        .rate-item h4 {
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rate-item h4 i {
            color: var(--cyan);
        }

        .rate-item p {
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .rate-note {
            color: var(--text-dim);
            font-size: 14px;
            padding: 18px 20px;
            border: 1px dashed rgba(45, 226, 255, 0.22);
            border-radius: 16px;
            margin-bottom: 28px;
        }

        .rate-note i {
            color: var(--orange);
            margin-right: 6px;
        }

        .rate-cta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        @media (max-width: 1000px) {
            .rate-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .rate-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            max-width: 880px;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border: 1px solid var(--border);
            background: rgba(15, 26, 46, 0.46);
            border-radius: 18px;
            overflow: hidden;
            backdrop-filter: blur(12px);
            transition: border-color 0.3s ease;
        }

        .faq-item.open {
            border-color: rgba(45, 226, 255, 0.42);
            box-shadow: 0 14px 34px rgba(0, 0, 0, 0.20), 0 0 0 1px rgba(45, 226, 255, 0.08);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            text-align: left;
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 16px;
            font-weight: 800;
            padding: 20px 22px;
            cursor: pointer;
        }

        .faq-q .faq-mark {
            width: 30px;
            height: 30px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(43, 92, 246, 0.22);
            color: var(--cyan);
            font-weight: 800;
            font-size: 14px;
            flex-shrink: 0;
        }

        .faq-icon {
            margin-left: auto;
            color: var(--text-muted);
            transition: transform 0.35s ease;
            font-size: 15px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--cyan);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-a-inner {
            padding: 0 22px 22px 66px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.85;
        }

        /* CTA */
        .cta-mega {
            border-radius: 30px;
            background: linear-gradient(120deg, rgba(9, 18, 38, 0.92), rgba(10, 22, 48, 0.84)), url('/assets/images/backpic/back-2.webp');
            background-position: center;
            background-size: cover;
            padding: 54px 42px;
            text-align: center;
            border: 1px solid rgba(45, 226, 255, 0.24);
            box-shadow: 0 0 70px rgba(45, 226, 255, 0.10), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            position: relative;
            overflow: hidden;
        }

        .cta-mega::before {
            content: "";
            position: absolute;
            top: -25%;
            left: -10%;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(45, 226, 255, 0.16), transparent 70%);
        }

        .cta-mega::after {
            content: "";
            position: absolute;
            right: 0;
            bottom: -40%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(43, 92, 246, 0.22), transparent 70%);
        }

        .cta-title {
            background: linear-gradient(115deg, #fff, #C6F0FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            font-weight: 900;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-desc {
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto 30px;
            font-size: 16px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        .cta-actions .btn-ghost i {
            margin-right: 7px;
        }

        @media (max-width: 640px) {
            .cta-mega {
                padding: 38px 20px;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-ghost {
                width: 100%;
            }
        }

        /* 页脚 */
        .site-footer {
            margin-top: 90px;
            background: rgba(5, 10, 22, 0.96);
            border-top: 1px solid rgba(139, 165, 210, 0.12);
            padding: 52px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1fr;
            gap: 34px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 16px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 800;
            letter-spacing: 0.06em;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-title::before {
            content: "";
            width: 5px;
            height: 5px;
            background: var(--cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--cyan);
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-muted);
            font-size: 14px;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact li {
            color: var(--text-muted);
            font-size: 14px;
            display: flex;
            gap: 9px;
        }

        .footer-contact i {
            color: var(--cyan);
            width: 17px;
            margin-top: 4px;
        }

        .friend-links {
            border-top: 1px solid rgba(139, 165, 210, 0.10);
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            color: var(--text-dim);
            font-size: 13px;
        }

        .friend-links a {
            color: var(--text-muted);
        }

        .friend-links a:hover {
            color: var(--cyan);
        }

        .footer-copyright {
            color: var(--text-dim);
            font-size: 13px;
            border-top: 1px solid rgba(139, 165, 210, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
        }

        .footer-copyright a {
            color: var(--text-muted);
        }

        .footer-copyright a:hover {
            color: var(--cyan);
        }

        @media (max-width: 1100px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .site-footer {
                padding-top: 38px;
            }
        }

        /* 通用响应调整 */
        @media (max-width: 600px) {
            .section-block {
                padding-top: 54px;
            }

            .section-header {
                margin-bottom: 28px;
            }

            .hero-title {
                font-size: 2.1rem;
            }

            .hero-trust {
                gap: 10px;
            }

            .rate-cta {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }

            .venue-media {
                height: 190px;
            }

            .section-foot .btn-primary,
            .section-foot .btn-ghost {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
    --site-bg: #0A0F1F;
    --site-bg-deep: #060a16;
    --panel: rgba(15, 28, 48, 0.6);
    --panel-light: rgba(20, 38, 70, 0.55);
    --brand: #2B5CF6;
    --brand-light: #4E7CFF;
    --cyan: #2DE2FF;
    --accent: #FF7A18;
    --danger: #FF4D6A;
    --success: #31D49C;
    --text: #E9F0FF;
    --text-2: #9FB0D4;
    --text-3: #5F719A;
    --border: rgba(125, 165, 255, 0.14);
    --border-hover: rgba(45, 226, 255, 0.55);
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow: 0 18px 44px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    --shadow-hover: 0 24px 60px rgba(0, 0, 0, 0.48), 0 0 0 1px rgba(45, 226, 255, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background-color: var(--site-bg);
    background-image:
      radial-gradient(circle at 12% -4%, rgba(43, 92, 246, 0.2), transparent 34%),
      radial-gradient(circle at 84% 8%, rgba(45, 226, 255, 0.08), transparent 30%),
      linear-gradient(180deg, #0a1024 0%, #080e1d 55%, #060a16 100%);
    background-attachment: fixed;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "HarmonicOS Sans", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
  }

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
      linear-gradient(rgba(122, 160, 255, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(122, 160, 255, 0.03) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 88%);
  }

  img {
    max-width: 100%;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul,
  ol {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  button,
  input,
  select,
  textarea {
    font: inherit;
  }

  input,
  select,
  textarea {
    color: var(--text);
  }

  ::selection {
    background: rgba(45, 226, 255, 0.24);
    color: #ffffff;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: 6px;
  }

  .container {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
  }

  .site-header {
    position: relative;
    z-index: 80;
    padding: 18px 0 0;
  }

  .nav-hull {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    background: linear-gradient(155deg, rgba(16, 31, 58, 0.86), rgba(7, 12, 26, 0.9));
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 12px 18px;
    box-shadow: 0 16px 46px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    min-width: max-content;
  }

  .logo-mark {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(43, 92, 246, 0.18);
    box-shadow: inset 0 0 0 1px rgba(120, 180, 255, 0.18);
    flex: 0 0 auto;
  }

  .logo-text {
    display: inline-flex;
    flex-direction: column;
    font-weight: 800;
    font-size: 1.12rem;
    letter-spacing: 0.06em;
    line-height: 1.2;
    color: #ffffff;
  }

  .logo-text small {
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--text-2);
    letter-spacing: 0.24em;
    margin-top: 4px;
  }

  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .desktop-nav .nav-item,
  .drawer-nav .nav-item {
    display: inline-flex;
    align-items: center;
    border-radius: 14px;
    padding: 9px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-2);
    border: 1px solid transparent;
    transition: all 0.24s ease;
    position: relative;
  }

  .desktop-nav .nav-item:hover,
  .drawer-nav .nav-item:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
  }

  .desktop-nav .nav-item.active,
  .drawer-nav .nav-item.active {
    background: linear-gradient(135deg, rgba(43, 92, 246, 0.28), rgba(45, 226, 255, 0.14));
    border-color: rgba(45, 226, 255, 0.3);
    color: #ffffff;
    box-shadow: 0 0 24px rgba(43, 92, 246, 0.16);
  }

  .desktop-nav .nav-item.active::after,
  .drawer-nav .nav-item.active::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 6px;
    height: 2px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--brand-light), var(--cyan));
    box-shadow: 0 0 12px rgba(45, 226, 255, 0.6);
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 22px;
    height: 46px;
    border-radius: 12px;
    border: 0;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 48%, #21aee0 130%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(43, 92, 246, 0.42), 0 0 20px rgba(45, 226, 255, 0.16);
    transition: all 0.22s ease;
    white-space: nowrap;
  }

  .btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 36px rgba(43, 92, 246, 0.58), 0 0 28px rgba(45, 226, 255, 0.3);
    color: #ffffff;
  }

  .btn-primary:active {
    transform: translateY(1px) scale(0.99);
    box-shadow: 0 4px 18px rgba(43, 92, 246, 0.28);
  }

  .btn-primary.btn-sm {
    height: 42px;
    padding: 0 18px;
    font-size: 0.92rem;
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 22px;
    height: 46px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.26);
    background: rgba(255, 255, 255, 0.05);
    color: #f2f6ff;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.22s ease;
    backdrop-filter: blur(12px);
  }

  .btn-secondary:hover {
    border-color: rgba(45, 226, 255, 0.7);
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    transform: translateY(-2px);
  }

  .btn-lg {
    height: 54px;
    padding: 0 34px;
    font-size: 1.02rem;
  }

  .hamburger {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border);
    color: #ffffff;
    font-size: 1.15rem;
    transition: all 0.2s ease;
  }

  .hamburger:hover {
    border-color: rgba(45, 226, 255, 0.5);
  }

  .mobile-drawer {
    display: none;
  }

  .category-hero {
    position: relative;
    padding: 44px 0 74px;
    z-index: 2;
  }

  .category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
      linear-gradient(112deg, rgba(4, 8, 20, 0.96) 0%, rgba(10, 18, 40, 0.84) 46%, rgba(20, 40, 84, 0.44) 100%),
      url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    border-bottom: 1px solid rgba(125, 190, 255, 0.08);
  }

  .category-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 160px;
    pointer-events: none;
    background: linear-gradient(to top, #080e1d, rgba(8, 14, 29, 0));
  }

  .cat-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.76fr);
    gap: 32px;
    align-items: center;
  }

  .cat-hero-copy {
    position: relative;
    z-index: 2;
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(45, 226, 255, 0.1);
    border: 1px solid rgba(45, 226, 255, 0.34);
    color: #d6f9ff;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
  }

  .hero-eyebrow i {
    color: var(--cyan);
  }

  .cat-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    line-height: 1.08;
    margin: 0 0 18px;
    font-weight: 900;
    letter-spacing: 0.02em;
    background: linear-gradient(93deg, #ffffff 20%, #6eb1ff 88%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    max-width: 680px;
  }

  .cat-hero-lead {
    max-width: 580px;
    color: var(--text-2);
    font-size: 1.04rem;
    line-height: 1.9;
    margin: 0 0 28px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero-info-panel {
    position: relative;
    z-index: 2;
    background: linear-gradient(160deg, rgba(19, 37, 68, 0.78), rgba(9, 18, 37, 0.82));
    border: 1px solid rgba(132, 178, 255, 0.17);
    border-radius: 24px;
    padding: 22px;
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.07);
  }

  .hero-panel-cover {
    height: 180px;
    border-radius: 18px;
    background: url('/assets/images/coverpic/cover-3.png') center center / cover no-repeat;
    position: relative;
    overflow: hidden;
    margin-bottom: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .hero-panel-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(4, 8, 20, 0.8), transparent 56%);
  }

  .hero-panel-tag {
    position: absolute;
    left: 14px;
    top: 12px;
    z-index: 2;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(6, 12, 25, 0.72);
    border: 1px solid rgba(45, 226, 255, 0.4);
    color: var(--cyan);
    backdrop-filter: blur(8px);
  }

  .info-panel-title {
    font-weight: 800;
    font-size: 1.06rem;
    color: #ffffff;
    margin: 0 0 8px;
  }

  .info-panel-desc {
    color: var(--text-2);
    font-size: 0.95rem;
    margin: 0 0 18px;
    line-height: 1.8;
  }

  .hero-info-list {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
  }

  .hero-info-list span {
    display: inline-flex;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: #c5d4f5;
    font-size: 0.8rem;
  }

  .section-block {
    padding: 84px 0;
    position: relative;
  }

  .section-block.alt {
    background: linear-gradient(180deg, rgba(9, 18, 37, 0.35), rgba(5, 9, 21, 0.4));
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 36px;
    flex-wrap: wrap;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--cyan);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(45, 226, 255, 0.08);
    border: 1px solid rgba(45, 226, 255, 0.2);
  }

  .section-title {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    line-height: 1.2;
    margin: 12px 0 0;
    font-weight: 800;
    color: #f1f6ff;
    letter-spacing: -0.01em;
  }

  .section-desc {
    max-width: 680px;
    margin: 12px 0 0;
    color: var(--text-2);
    font-size: 0.97rem;
    line-height: 1.9;
  }

  .glass-card {
    background: linear-gradient(152deg, rgba(19, 36, 66, 0.66), rgba(11, 20, 42, 0.72));
    border: 1px solid rgba(132, 178, 255, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.035);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .md-card {
    border-radius: var(--radius-md);
  }

  .card-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(43, 92, 246, 0.24), rgba(45, 226, 255, 0.14));
    border: 1px solid rgba(45, 226, 255, 0.22);
    color: #dfffff;
    font-size: 1.34rem;
  }

  .card-link {
    color: var(--cyan);
    font-size: 0.92rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 0;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
  }

  .card-link:hover {
    gap: 11px;
    border-bottom-color: rgba(45, 226, 255, 0.4);
  }

  .news-showcase-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.94fr) minmax(0, 0.94fr);
    gap: 22px;
  }

  .news-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  }

  .news-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
  }

  .news-card.is-feature {
    grid-row: span 2;
  }

  .news-card-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .news-card.is-feature .news-card-media {
    aspect-ratio: 16 / 11;
  }

  .news-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.44s ease;
  }

  .news-card:hover .news-card-media img {
    transform: scale(1.05);
  }

  .play-charm {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 16, 30, 0.64);
    border: 1px solid rgba(45, 226, 255, 0.4);
    color: #ffffff;
    font-size: 1rem;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    backdrop-filter: blur(8px);
    box-shadow: 0 0 30px rgba(45, 226, 255, 0.22);
    transition: all 0.25s ease;
  }

  .news-card:hover .play-charm {
    transform: translate(-50%, -50%) scale(1.12);
    color: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 42px rgba(45, 226, 255, 0.45);
  }

  .badge-float {
    position: absolute;
    left: 12px;
    top: 12px;
    z-index: 2;
    border-radius: 999px;
    background: rgba(5, 10, 22, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.13);
    padding: 4px 12px;
    font-size: 0.76rem;
    font-weight: 700;
    color: #d9e8ff;
    backdrop-filter: blur(8px);
  }

  .badge-float.hot {
    border-color: rgba(255, 122, 24, 0.55);
    color: #ffc799;
  }

  .news-card-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .news-card-body h3 {
    font-size: 1.12rem;
    line-height: 1.5;
    font-weight: 700;
    margin: 0 0 10px;
  }

  .news-card-body p {
    color: var(--text-2);
    font-size: 0.91rem;
    line-height: 1.8;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-3);
    font-size: 0.8rem;
    margin-top: auto;
  }

  .news-meta i {
    color: var(--cyan);
    width: 14px;
    margin-right: 3px;
  }

  .news-meta a {
    margin-left: auto;
    color: var(--text-2);
  }

  .news-meta a:hover {
    color: var(--cyan);
  }

  .featured-copy-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
    gap: 34px;
    align-items: center;
  }

  .rich-copy-title {
    font-size: 1.75rem;
    line-height: 1.35;
    font-weight: 800;
    margin: 0 0 20px;
    color: #f5f8ff;
  }

  .rich-copy p {
    color: var(--text-2);
    font-size: 1rem;
    line-height: 2;
    margin: 0 0 18px;
  }

  .visual-embed {
    position: relative;
    min-height: 260px;
    border-radius: 24px;
    overflow: hidden;
    background: url('/assets/images/coverpic/cover-9.webp') center center / cover no-repeat;
    border: 1px solid rgba(150, 200, 255, 0.12);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
  }

  .visual-embed::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 10, 24, 0.88), rgba(5, 10, 24, 0.08));
  }

  .visual-embed-copy {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 18px;
    z-index: 2;
    color: #eef5ff;
  }

  .visual-embed-copy span {
    font-size: 0.76rem;
    color: var(--cyan);
    letter-spacing: 0.12em;
  }

  .visual-embed-copy strong {
    font-size: 1.2rem;
    display: block;
    line-height: 1.5;
    margin-top: 6px;
  }

  .coop-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .coop-card {
    position: relative;
    padding: 26px 22px 22px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.26s ease;
    height: 100%;
  }

  .coop-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-hover);
  }

  .coop-card h3 {
    font-size: 1.06rem;
    font-weight: 700;
    margin: 20px 0 10px;
    color: #f1f5ff;
  }

  .coop-card p {
    color: var(--text-2);
    font-size: 0.92rem;
    line-height: 1.85;
    margin: 0;
  }

  .promo-banner {
    border-radius: 28px;
    overflow: hidden;
    position: relative;
    min-height: 310px;
    display: flex;
    align-items: center;
    background:
      linear-gradient(115deg, rgba(6, 12, 27, 0.96) 0%, rgba(9, 19, 41, 0.72) 48%, rgba(4, 11, 27, 0.14) 100%),
      url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
    border: 1px solid rgba(140, 180, 255, 0.13);
    box-shadow: 0 18px 52px rgba(0, 0, 0, 0.42);
    padding: 38px 46px;
  }

  .promo-content {
    position: relative;
    z-index: 2;
    max-width: 660px;
  }

  .promo-content h2 {
    font-size: clamp(1.4rem, 2.4vw, 2.1rem);
    color: #ffffff;
    margin: 10px 0 14px;
    font-weight: 800;
  }

  .promo-content p {
    color: #bdcced;
    line-height: 1.9;
    margin: 0 0 22px;
  }

  .promo-content .btn-primary {
    margin-right: 12px;
  }

  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    counter-reset: step;
  }

  .step-card {
    padding: 24px 20px 22px;
    position: relative;
    transition: all 0.26s ease;
  }

  .step-card:hover {
    transform: translateY(-4px);
    border-color: rgba(45, 226, 255, 0.26);
  }

  .step-num {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(45, 226, 255, 0.55);
    margin-bottom: 16px;
  }

  .step-card h3 {
    font-size: 1.06rem;
    margin: 0 0 8px;
  }

  .step-card p {
    color: var(--text-2);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.8;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 30px;
  }

  .contact-info-card {
    padding: 28px;
  }

  .contact-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 17px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .contact-row:last-child {
    border-bottom: 0;
  }

  .contact-row i {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(43, 92, 246, 0.17);
    border: 1px solid rgba(45, 226, 255, 0.18);
    color: var(--cyan);
    flex: 0 0 auto;
  }

  .contact-row strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.6;
  }

  .contact-row b {
    color: #ffffff;
    font-size: 1.02rem;
  }

  .form-card {
    padding: 30px;
  }

  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .form-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
  }

  .form-field.full {
    grid-column: span 2;
  }

  .form-field label {
    font-size: 0.86rem;
    color: #b5c7ea;
  }

  .form-field input,
  .form-field select,
  .form-field textarea {
    background: rgba(10, 20, 39, 0.68);
    border: 1px solid rgba(160, 195, 255, 0.16);
    border-radius: 12px;
    padding: 12px 14px;
    color: #edf4ff;
    transition: all 0.2s ease;
    width: 100%;
    outline: none;
  }

  .form-field input::placeholder,
  .form-field textarea::placeholder {
    color: var(--text-3);
  }

  .form-field input:focus,
  .form-field select:focus,
  .form-field textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(45, 226, 255, 0.18);
    background: rgba(10, 20, 43, 0.85);
  }

  .form-success {
    display: none;
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(49, 212, 156, 0.3);
    background: rgba(49, 212, 156, 0.12);
    color: #9ff6d9;
    font-size: 0.9rem;
  }

  .faq-wrap {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .faq-item {
    border-radius: 18px;
    overflow: hidden;
    transition: border-color 0.25s ease;
  }

  .faq-item.open {
    border-color: rgba(45, 226, 255, 0.42);
  }

  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: transparent;
    border: 0;
    text-align: left;
    padding: 20px 22px;
    width: 100%;
    color: #edf3ff;
    font-size: 1.02rem;
    font-weight: 700;
    cursor: pointer;
  }

  .faq-q i {
    color: var(--cyan);
    transition: transform 0.3s ease;
    flex: 0 0 auto;
  }

  .faq-item.open .faq-q i {
    transform: rotate(45deg);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.38s ease;
  }

  .faq-a-inner {
    padding: 0 22px 20px;
    color: var(--text-2);
    line-height: 1.9;
    font-size: 0.93rem;
  }

  .faq-a-inner p {
    margin: 0;
  }

  .site-footer {
    background: linear-gradient(180deg, rgba(7, 13, 27, 0.96), #050910);
    border-top: 1px solid rgba(125, 160, 255, 0.1);
    padding: 54px 0 0;
    position: relative;
    z-index: 2;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.85fr 0.95fr 0.95fr;
    gap: 34px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-grid .brand-logo {
    margin-bottom: 12px;
  }

  .footer-brand p {
    color: var(--text-2);
    font-size: 0.92rem;
    line-height: 1.9;
  }

  .footer-title {
    color: #ffffff;
    font-weight: 700;
    margin: 8px 0 16px;
    font-size: 1.02rem;
  }

  .footer-col ul li {
    margin-bottom: 10px;
  }

  .footer-col ul li a {
    color: var(--text-2);
    transition: all 0.2s ease;
    font-size: 0.92rem;
  }

  .footer-col ul li a:hover {
    color: var(--cyan);
    padding-left: 4px;
  }

  .footer-contact li {
    display: flex;
    gap: 8px;
    color: var(--text-2);
  }

  .footer-contact i {
    color: var(--cyan);
    font-size: 0.9rem;
    margin-top: 5px;
  }

  .friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 22px 0 14px;
    font-size: 0.86rem;
    color: var(--text-3);
    align-items: center;
  }

  .friend-links a {
    color: var(--text-2);
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.2s ease;
    margin-left: 10px;
  }

  .friend-links a:hover {
    color: var(--cyan);
    border-color: rgba(45, 226, 255, 0.25);
  }

  .copyright-line {
    color: var(--text-3);
    text-align: center;
    padding: 18px 0 26px;
    font-size: 0.84rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 16px;
  }

  @media (max-width: 1080px) {
    .desktop-nav {
      display: none;
    }

    .hamburger {
      display: inline-flex;
    }

    .nav-hull {
      padding: 10px 14px;
    }

    .mobile-drawer {
      display: none;
      margin-top: 12px;
      background: rgba(8, 14, 31, 0.97);
      border: 1px solid rgba(132, 178, 255, 0.16);
      border-radius: 18px;
      padding: 14px;
      backdrop-filter: blur(20px);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
    }

    .mobile-drawer.open {
      display: block;
    }

    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 8px;
      align-items: stretch;
    }

    .drawer-nav .nav-item {
      justify-content: flex-start;
    }

    .drawer-nav .btn-primary {
      margin-top: 8px;
      width: 100%;
    }

    .cat-hero-grid,
    .featured-copy-grid,
    .contact-grid {
      grid-template-columns: 1fr;
    }

    .news-showcase-grid,
    .coop-grid,
    .process-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 640px) {
    .section-block {
      padding: 56px 0;
    }

    .cat-hero-grid {
      gap: 20px;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
      width: 100%;
    }

    .news-showcase-grid,
    .coop-grid,
    .process-grid {
      grid-template-columns: 1fr;
    }

    .form-grid {
      grid-template-columns: 1fr;
    }

    .form-field.full {
      grid-column: span 1;
    }

    .promo-banner {
      padding: 30px 20px;
    }

    .promo-content .btn-primary,
    .promo-content .btn-secondary {
      width: 100%;
      margin-bottom: 12px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .nav-actions .btn-primary {
      display: none;
    }

    .brand-logo .logo-text {
      font-size: 1rem;
    }

    .hero-panel-cover {
      height: 150px;
    }
  }