/* roulang page: index */
:root {
            --navy-900: #071120;
            --navy-800: #0B1D33;
            --navy-700: #0F1F33;
            --navy-600: #12263F;
            --teal-300: #2AF0BC;
            --teal-400: #00E0A4;
            --amber-400: #F6B544;
            --text-1: #D6E1EC;
            --text-2: #8FA3B8;
            --text-3: #5B7189;
            --border-1: rgba(255, 255, 255, 0.08);
            --border-2: rgba(255, 255, 255, 0.14);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --radius-xs: 8px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.2);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);
            --font-sans: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'DIN Alternate', 'Roboto', 'Inter', sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: #0A1220;
            color: var(--text-1);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--teal-400);
        }

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

        ul {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: #fff;
            border-bottom: 1px solid rgba(10, 20, 35, 0.06);
            box-shadow: 0 2px 8px rgba(10, 20, 35, 0.04);
        }

        .mainnav {
            background: #fff;
        }

        .mainnav__inner {
            min-height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .mainnav__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 24px;
            letter-spacing: 0.5px;
            color: var(--navy-800);
            white-space: nowrap;
        }

        .mainnav__logo:hover {
            color: var(--navy-800);
        }

        .mainnav__icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--navy-800);
            color: var(--teal-400);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

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

        .mainnav__links .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #333;
            padding: 8px 18px;
            border-radius: 8px;
            position: relative;
            white-space: nowrap;
        }

        .mainnav__links .nav-link:hover {
            color: var(--navy-800);
            background: #f5f7fa;
        }

        .mainnav__links .nav-link.active {
            color: var(--navy-800);
            font-weight: 700;
        }

        .mainnav__links .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 3px;
            border-radius: 2px;
            background: var(--teal-400);
        }

        .mainnav__actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .mainnav__search {
            display: flex;
            align-items: center;
            background: #f0f2f5;
            border-radius: 20px;
            height: 38px;
            padding: 0 14px;
            gap: 8px;
            width: 200px;
            color: #3b4a5a;
        }

        .mainnav__search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 13px;
            width: 100%;
            color: #2a3646;
        }

        .mainnav__search input::placeholder {
            color: #8FA3B8;
        }

        .mainnav__toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid #e8edf2;
            background: #fff;
            color: var(--navy-800);
            font-size: 18px;
        }

        .mainnav__mobile {
            background: #fff;
            padding: 16px 0 20px;
            border-top: 1px solid #f0f2f5;
        }

        .mobile-nav__link {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: #333;
            border-bottom: 1px solid #f0f2f5;
        }

        .mobile-nav__link.active {
            color: var(--teal-400);
            font-weight: 700;
        }

        .mobile-nav__search {
            margin-top: 16px;
            display: flex;
            align-items: center;
            background: #f0f2f5;
            border-radius: 20px;
            height: 42px;
            padding: 0 14px;
            gap: 8px;
            color: #3b4a5a;
        }

        .mobile-nav__search input {
            border: none;
            outline: none;
            background: transparent;
            width: 100%;
            font-size: 14px;
        }

        .mobile-nav__bottom {
            margin-top: 16px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            transition: all .25s ease;
            padding: 0.6rem 1.4rem;
        }

        .btn:focus {
            outline: 2px solid var(--teal-400);
            outline-offset: 2px;
        }

        .btn-brand {
            background: var(--teal-400);
            color: var(--navy-800);
            box-shadow: 0 0 20px rgba(0, 224, 164, 0.4);
        }

        .btn-brand:hover {
            background: var(--teal-300);
            color: var(--navy-800);
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 224, 164, 0.6);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 0 10px rgba(0, 224, 164, 0.3);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-1);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-ghost:hover {
            border-color: var(--teal-400);
            color: var(--teal-400);
            transform: translateY(-1px);
        }

        .btn-sm {
            height: 36px;
            padding: 0 1rem;
            font-size: 14px;
        }

        .btn-lg {
            height: 48px;
            padding: 0 1.6rem;
            font-size: 16px;
        }

        .btn-block {
            width: 100%;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            padding: 96px 0;
            background: var(--navy-800);
            background-image: linear-gradient(rgba(10, 18, 32, 0.92), rgba(11, 29, 51, 0.88)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
        }

        .hero__inner {
            width: 100%;
        }

        .hero__eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--teal-400);
            background: rgba(0, 224, 164, 0.1);
            border: 1px solid rgba(0, 224, 164, 0.2);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero__title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero__desc {
            font-size: 16px;
            color: #D6E1EC;
            max-width: 520px;
            margin-bottom: 28px;
        }

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

        .hero__stats {
            display: flex;
            gap: 32px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            flex-wrap: wrap;
        }

        .hero__stats li {
            color: var(--text-2);
            font-size: 13px;
        }

        .hero__stats strong {
            display: block;
            font-size: 22px;
            font-family: var(--font-num);
            color: var(--teal-400);
            line-height: 1.3;
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: rgba(255, 255, 255, 0.06);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-lg);
            border-radius: var(--radius-lg);
        }

        /* ===== Live Card ===== */
        .live-card {
            position: relative;
            overflow: hidden;
        }

        .live-card__badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: var(--amber-400);
            color: #1a1508;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .live-card__media img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .live-card__body {
            padding: 20px;
            background: rgba(11, 29, 51, 0.88);
        }

        .live-card__event {
            font-size: 18px;
            color: #fff;
            margin-bottom: 6px;
        }

        .live-card__meta,
        .live-card__viewers {
            font-size: 14px;
            color: var(--text-2);
        }

        .live-card__viewers {
            margin-top: 4px;
        }

        .live-card__countdown {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .countdown-box {
            flex: 1;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 10px 0;
            text-align: center;
        }

        .countdown-box span {
            display: block;
            font-size: 28px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--teal-400);
            line-height: 1.2;
        }

        .countdown-box b {
            display: block;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-2);
            margin-top: 2px;
        }

        /* ===== Countdown Strip ===== */
        .countdown-strip {
            padding: 18px 0;
            background: #0A1220;
            border-bottom: 1px solid var(--border-1);
        }

        .countdown-strip__inner {
            background: var(--navy-700);
            border: 1px solid var(--border-1);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .countdown-strip__info {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 260px;
        }

        .countdown-strip__label {
            background: rgba(246, 181, 68, 0.12);
            color: var(--amber-400);
            font-size: 13px;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
            white-space: nowrap;
        }

        .countdown-strip__info strong {
            color: #fff;
            font-size: 16px;
        }

        .countdown-strip__timer {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .strip-time {
            display: flex;
            align-items: baseline;
            gap: 4px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            padding: 6px 12px;
        }

        .strip-time b {
            font-family: var(--font-num);
            font-size: 24px;
            color: var(--teal-400);
            font-weight: 700;
            line-height: 1;
        }

        .strip-time span {
            color: var(--text-2);
            font-size: 12px;
        }

        /* ===== Sections ===== */
        .highlights {
            padding: 80px 0;
            background: var(--navy-700);
        }

        .live-list-section {
            padding: 80px 0;
            background: #0A1220;
        }

        .faq-section {
            padding: 80px 0;
            background: var(--navy-700);
        }

        .subscribe-section {
            padding: 80px 0;
            background: var(--navy-800);
            background-image: linear-gradient(rgba(7, 17, 32, 0.92), rgba(11, 29, 51, 0.9)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }

        .replay-section {
            padding: 80px 0;
            background: #0A1220;
        }

        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-head h2 {
            font-size: 30px;
            color: #fff;
            margin-bottom: 8px;
        }

        .section-head p {
            color: var(--text-2);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            padding: 32px 24px;
            height: 100%;
            transition: transform .25s, box-shadow .25s;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .feature-card__icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0, 224, 164, 0.14);
            border: 1px solid rgba(0, 224, 164, 0.25);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--teal-400);
            font-size: 22px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-2);
            font-size: 14px;
            margin: 0;
        }

        /* ===== Live List ===== */
        .live-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .live-list__row {
            background: var(--navy-600);
            border: 1px solid var(--border-1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .25s ease;
        }

        .live-list__row:hover {
            background: #162B47;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .live-list__link {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px 20px;
            flex-wrap: nowrap;
        }

        .live-list__thumb {
            width: 160px;
            height: 90px;
            border-radius: calc(var(--radius-sm) - 2px);
            overflow: hidden;
            flex-shrink: 0;
        }

        .live-list__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .live-list__body {
            flex: 1;
            min-width: 0;
        }

        .live-list__title {
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
            transition: color .25s;
        }

        .live-list__title:hover {
            color: var(--teal-400);
        }

        .live-list__summary {
            color: var(--text-2);
            font-size: 14px;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .live-list__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-3);
        }

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 224, 164, 0.1);
            color: var(--teal-400);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .live-list__status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-2);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 6px 14px;
            border-radius: 999px;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #c8d3de;
            flex-shrink: 0;
        }

        .empty-state {
            text-align: center;
            padding: 48px 20px;
            background: var(--navy-600);
            border-radius: var(--radius-md);
            color: var(--text-2);
            font-size: 15px;
        }

        .empty-state i {
            font-size: 32px;
            color: var(--text-3);
            margin-bottom: 10px;
        }

        .empty-state p {
            margin: 0;
        }

        /* ===== FAQ ===== */
        .accordion-item {
            background: var(--navy-700);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--navy-700);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 20px 24px;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: var(--navy-700);
            color: #fff;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(0, 224, 164, 0.4);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2300E0A4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform .25s;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2300E0A4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transform: rotate(180deg);
        }

        .accordion-body {
            color: var(--text-2);
            font-size: 14px;
            padding: 0 24px 20px;
            line-height: 1.7;
        }

        /* ===== Subscribe ===== */
        .subscribe__card {
            padding: 40px;
        }

        .subscribe__info h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 8px;
        }

        .subscribe__info p {
            color: var(--text-2);
            margin: 0;
        }

        .subscribe__form .subscribe__input {
            display: flex;
            gap: 12px;
            margin-bottom: 10px;
        }

        .subscribe__form input {
            flex: 1;
            height: 48px;
            border-radius: var(--radius-xs);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 0 16px;
            font-size: 14px;
            outline: none;
            transition: border-color .25s, box-shadow .25s;
            min-width: 0;
        }

        .subscribe__form input::placeholder {
            color: var(--text-3);
        }

        .subscribe__form input:focus {
            border-color: var(--teal-400);
            box-shadow: 0 0 0 4px rgba(0, 224, 164, 0.2);
        }

        .subscribe__privacy {
            font-size: 13px;
            color: var(--text-3);
            margin: 0;
        }

        .subscribe__status {
            display: none;
            background: rgba(0, 224, 164, 0.15);
            color: var(--teal-300);
            border-radius: var(--radius-xs);
            font-size: 14px;
            padding: 8px 14px;
            margin-bottom: 10px;
        }

        /* ===== Replay Cards ===== */
        .replay-card {
            background: var(--navy-600);
            border: 1px solid var(--border-1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .25s ease;
            height: 100%;
        }

        .replay-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .replay-card__media {
            position: relative;
            overflow: hidden;
        }

        .replay-card__media img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }

        .replay-card__duration {
            position: absolute;
            right: 10px;
            bottom: 10px;
            background: rgba(7, 17, 32, 0.8);
            color: #fff;
            font-size: 12px;
            font-family: var(--font-num);
            padding: 3px 8px;
            border-radius: 6px;
        }

        .replay-card__play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(0, 224, 164, 0.9);
            color: var(--navy-800);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            opacity: 0;
            transition: opacity .3s;
        }

        .replay-card:hover .replay-card__play {
            opacity: 1;
        }

        .replay-card__body {
            padding: 16px 20px 20px;
        }

        .replay-card__body h3 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color .25s;
        }

        .replay-card__body h3:hover {
            color: var(--teal-400);
        }

        .replay-card__meta {
            font-size: 13px;
            color: var(--text-2);
            margin: 0;
        }

        .replay-section__cta {
            margin-top: 40px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--navy-900);
            border-top: 1px solid var(--border-1);
            padding: 64px 0 20px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .site-footer ul {
            padding: 0;
        }

        .site-footer a {
            color: var(--text-2);
            display: inline-block;
            padding: 4px 0;
            font-size: 14px;
        }

        .site-footer a:hover {
            color: var(--teal-400);
            text-decoration: none;
        }

        .footer__brand p {
            color: var(--text-2);
            font-size: 14px;
            margin-top: 12px;
            max-width: 300px;
        }

        .footer__brand strong {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }

        .footer__social {
            display: flex;
            gap: 10px;
            margin-top: 14px;
        }

        .footer__social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.22);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-2);
            padding: 0;
            font-size: 14px;
        }

        .footer__social a:hover {
            border-color: var(--teal-400);
            color: var(--teal-400);
        }

        .footer__divider {
            border-top: 1px solid var(--border-1);
            margin: 40px 0 18px;
        }

        .footer__copyright {
            text-align: center;
            color: var(--text-3);
            font-size: 13px;
        }

        .footer__copyright p {
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .mainnav__logo {
                font-size: 22px;
            }

            .mobile-nav__search {
                max-width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .hero {
                padding: 64px 0;
                min-height: auto;
            }

            .hero__title {
                font-size: 30px;
            }

            .hero__desc {
                font-size: 15px;
            }

            .hero__stats strong {
                font-size: 18px;
            }

            .live-card__media img {
                height: 200px;
            }

            .live-list__thumb {
                width: 96px;
                height: 72px;
            }

            .live-list__link {
                gap: 12px;
                padding: 12px;
            }

            .live-list__status {
                display: none;
            }

            .live-list__title {
                font-size: 16px;
            }

            .live-list__summary {
                font-size: 13px;
            }

            .countdown-strip__inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe__card {
                padding: 24px;
            }

            .subscribe__form .subscribe__input {
                flex-direction: column;
            }

            .subscribe__form input {
                width: 100%;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .countdown-strip__timer {
                width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .hero__title {
                font-size: 28px;
            }

            .hero__cta {
                flex-direction: column;
            }

            .hero__cta .btn {
                width: 100%;
            }

            .hero__stats {
                gap: 16px;
            }

            .replay-card__media img {
                height: 120px;
            }

            .live-card__countdown {
                gap: 6px;
            }

            .countdown-box span {
                font-size: 22px;
            }

            .countdown-box b {
                font-size: 11px;
            }

            .mainnav__inner {
                gap: 10px;
            }

            .mainnav__logo {
                font-size: 19px;
            }

            .mainnav__icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #0B1D33;
            --brand-mid: #12263F;
            --brand-light: #0F1F33;
            --accent: #00E0A4;
            --accent-hover: #2AF0BC;
            --amber: #F6B544;
            --bg: #0A1220;
            --text: #D6E1EC;
            --text-sub: #8FA3B8;
            --text-dim: #5B7189;
            --white: #ffffff;
            --gray-bg: #F5F7FA;
            --border: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --spacer: 96px;
            --transition: all 0.25s ease;
        }

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

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }

        a {
            color: var(--text);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
        }

        /* ============ Header & Nav ============ */
        .site-header {
            background: var(--white);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .mainnav__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .mainnav__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--brand);
            white-space: nowrap;
        }

        .mainnav__logo:hover {
            color: var(--brand);
        }

        .mainnav__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--brand);
            color: var(--accent);
            border-radius: 10px;
            font-size: 16px;
        }

        .mainnav__links {
            display: flex;
            gap: 28px;
            margin: 0 24px;
        }

        .mainnav__links .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #37475A;
            padding: 8px 2px;
            position: relative;
            border: none;
            background: transparent;
        }

        .mainnav__links .nav-link:hover {
            color: var(--brand);
        }

        .mainnav__links .nav-link.active {
            color: var(--brand);
            font-weight: 600;
        }

        .mainnav__links .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .mainnav__actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .mainnav__search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .mainnav__search i {
            position: absolute;
            left: 14px;
            color: var(--text-dim);
            font-size: 13px;
            pointer-events: none;
        }

        .mainnav__search input {
            width: 200px;
            height: 38px;
            background: #F0F2F5;
            border: none;
            border-radius: 20px;
            padding: 0 14px 0 38px;
            font-size: 14px;
            color: var(--brand);
            outline: none;
            transition: var(--transition);
        }

        .mainnav__search input:focus {
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(0, 224, 164, 0.25);
        }

        .mainnav__search input::placeholder {
            color: #93A1B5;
        }

        .mainnav__toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: none;
            background: #F0F2F5;
            border-radius: 10px;
            color: var(--brand);
            font-size: 18px;
            cursor: pointer;
        }

        .mainnav__mobile {
            border-top: 1px solid rgba(0, 0, 0, 0.06);
            background: var(--white);
            padding: 16px 0 20px;
        }

        .mainnav__mobile .mobile-nav__link {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: #37475A;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .mainnav__mobile .mobile-nav__link.active {
            color: var(--brand);
            font-weight: 600;
        }

        .mobile-nav__search {
            position: relative;
            display: flex;
            align-items: center;
            margin-top: 12px;
        }

        .mobile-nav__search i {
            position: absolute;
            left: 14px;
            color: var(--text-dim);
            font-size: 14px;
        }

        .mobile-nav__search input {
            width: 100%;
            height: 44px;
            background: #F0F2F5;
            border: none;
            border-radius: 10px;
            padding: 0 14px 0 38px;
            font-size: 15px;
            outline: none;
        }

        .mobile-nav__bottom {
            margin-top: 16px;
        }

        /* ============ Buttons ============ */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 10px 28px;
            background: var(--accent);
            color: var(--brand);
            font-size: 15px;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 20px rgba(0, 224, 164, 0.4);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-brand:hover {
            background: var(--accent-hover);
            color: var(--brand);
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 224, 164, 0.6);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 224, 164, 0.3);
        }

        .btn-brand:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-brand.btn-sm {
            min-height: 36px;
            padding: 6px 18px;
            font-size: 14px;
        }

        .btn-brand.btn-block {
            width: 100%;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 10px 28px;
            background: transparent;
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-outline-light:active {
            transform: translateY(0);
        }

        /* ============ Category Hero ============ */
        .category-hero {
            position: relative;
            background-color: var(--brand);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 90px 0 80px;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 18, 32, 0.92) 0%, rgba(10, 18, 32, 0.72) 55%, rgba(10, 18, 32, 0.5) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(0, 224, 164, 0.18) 0%, transparent 70%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-dim);
            margin-bottom: 24px;
        }

        .breadcrumb-nav a {
            color: var(--text-sub);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .breadcrumb-nav .sep {
            color: var(--text-dim);
        }

        .breadcrumb-nav .current {
            color: var(--text);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: 44px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--white);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .category-hero__subtitle {
            font-size: 17px;
            color: var(--text);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.75;
        }

        .category-hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 44px;
        }

        .category-hero__stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .category-hero__stats .stat {
            display: flex;
            flex-direction: column;
        }

        .category-hero__stats .stat__num {
            font-family: "DIN Alternate", "Inter", "Roboto", system-ui, sans-serif;
            font-size: 30px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .category-hero__stats .stat__label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ============ Section Layout ============ */
        .section {
            padding: 90px 0;
        }

        .section--alt {
            background: var(--brand);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--accent);
            background: rgba(0, 224, 164, 0.1);
            border: 1px solid rgba(0, 224, 164, 0.25);
            border-radius: 30px;
            padding: 5px 16px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ Feature Cards ============ */
        .feature-card {
            background: var(--brand-mid);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            height: 100%;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 224, 164, 0.3);
            box-shadow: var(--shadow-card);
        }

        .feature-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0, 224, 164, 0.12);
            color: var(--accent);
            font-size: 20px;
            margin-bottom: 22px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ Tag Cloud ============ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 36px;
        }

        .tag-cloud .tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            cursor: default;
        }

        .tag-cloud .tag i {
            font-size: 12px;
            color: var(--accent);
        }

        .tag-cloud .tag:hover {
            background: rgba(0, 224, 164, 0.1);
            border-color: rgba(0, 224, 164, 0.35);
            color: var(--white);
        }

        .tag-cloud__note {
            text-align: center;
            font-size: 14px;
            color: var(--text-sub);
            max-width: 560px;
            margin: 0 auto;
        }

        /* ============ Steps ============ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            background: var(--brand-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 36px 30px;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: rgba(0, 224, 164, 0.3);
            transform: translateY(-4px);
        }

        .step-item::before {
            counter-increment: step;
            content: "0" counter(step);
            font-family: "DIN Alternate", "Inter", "Roboto", system-ui, sans-serif;
            font-size: 15px;
            font-weight: 700;
            color: var(--brand);
            background: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            margin-bottom: 20px;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ Hot News Cards ============ */
        .news-card {
            background: var(--brand-mid);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: rgba(0, 224, 164, 0.3);
        }

        .news-card__media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--brand);
        }

        .news-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .news-card:hover .news-card__media img {
            transform: scale(1.04);
        }

        .news-card__badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 29, 51, 0.85);
            color: var(--amber);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(6px);
        }

        .news-card__body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card__body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--white);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .news-card__body h3 a {
            color: inherit;
        }

        .news-card__body h3 a:hover {
            color: var(--accent);
        }

        .news-card__body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }

        .news-card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-dim);
        }

        .news-card__meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ============ CTA Subscribe ============ */
        .section--cta {
            background: var(--brand);
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .section--cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(10, 18, 32, 0.82);
        }

        .cta-card {
            position: relative;
            z-index: 1;
            max-width: 720px;
            margin: 0 auto;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            text-align: center;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }

        .cta-card .cta-card__desc {
            font-size: 15px;
            color: var(--text);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto 12px;
        }

        .cta-form .form-control-custom {
            flex: 1;
            height: 48px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 0 16px;
            color: var(--white);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .cta-form .form-control-custom::placeholder {
            color: var(--text-dim);
        }

        .cta-form .form-control-custom:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(0, 224, 164, 0.2);
        }

        .cta-form .btn-brand {
            height: 48px;
            flex-shrink: 0;
        }

        .cta-form__msg {
            max-width: 520px;
            margin: 0 auto 14px;
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            line-height: 1.6;
            display: none;
        }

        .cta-form__msg.is-visible {
            display: block;
        }

        .cta-form__msg.success {
            background: rgba(0, 224, 164, 0.15);
            border: 1px solid rgba(0, 224, 164, 0.35);
            color: var(--accent);
        }

        .cta-form__msg.error {
            background: rgba(246, 181, 68, 0.15);
            border: 1px solid rgba(246, 181, 68, 0.35);
            color: var(--amber);
        }

        .cta-card__privacy {
            font-size: 13px;
            color: var(--text-dim);
        }

        /* ============ FAQ Accordion ============ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--brand-light);
            border: 1px solid var(--border);
            border-radius: 12px !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-button {
            background: transparent;
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none !important;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 224, 164, 0.06);
            color: var(--accent);
            border-bottom: 1px solid rgba(0, 224, 164, 0.2);
        }

        .accordion-button::after {
            background-image: none;
            content: "+";
            font-family: system-ui, sans-serif;
            font-size: 22px;
            font-weight: 400;
            color: var(--accent);
            transition: transform 0.25s ease;
            text-align: center;
        }

        .accordion-button:not(.collapsed)::after {
            content: "-";
            transform: none;
        }

        .accordion-collapse {
            border-top: none;
        }

        .accordion-body {
            padding: 16px 24px 22px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(0, 224, 164, 0.4);
            outline-offset: -2px;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #071120;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 64px 0 0;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 18px;
        }

        .site-footer p {
            color: var(--text-sub);
            font-size: 14px;
        }

        .footer__brand strong {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            display: block;
            margin-bottom: 12px;
        }

        .footer__brand a:hover strong {
            color: var(--accent);
        }

        .footer__social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer__social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-sub);
            font-size: 15px;
            transition: var(--transition);
        }

        .footer__social a:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer ul li a {
            font-size: 14px;
            color: var(--text-sub);
        }

        .site-footer ul li a:hover {
            color: var(--accent);
        }

        .footer__divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
        }

        .footer__copyright {
            padding: 22px 0 28px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .footer__copyright p {
            font-size: 13px;
            color: var(--text-dim);
            margin: 0;
            text-align: center;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1199.98px) {
            .mainnav__search input {
                width: 160px;
            }
        }

        @media (max-width: 991.98px) {
            .mainnav__inner {
                height: 64px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 60px 0;
            }

            .category-hero {
                padding: 60px 0;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .category-hero__subtitle {
                font-size: 15px;
            }

            .category-hero__stats {
                gap: 24px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .cta-card {
                padding: 36px 24px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form .btn-brand {
                width: 100%;
            }

            .footer__copyright {
                flex-direction: column;
                gap: 6px;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero__actions {
                flex-direction: column;
                width: 100%;
            }

            .category-hero__actions .btn {
                width: 100%;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .tag-cloud .tag {
                padding: 7px 14px;
                font-size: 13px;
            }

            .news-card__body {
                padding: 18px;
            }

            .cta-card {
                padding: 28px 18px;
            }

            .cta-card h2 {
                font-size: 24px;
            }

            .accordion-button {
                font-size: 14px;
                padding: 16px 18px;
            }

            .accordion-body {
                padding: 14px 18px 18px;
            }
        }

/* roulang page: article */
:root {
    --page-bg: #0A1220;
    --deep-blue: #0B1D33;
    --card-bg: #0F1F33;
    --card-bg-2: #12263F;
    --accent: #00E0A4;
    --accent-hover: #2AF0BC;
    --amber: #F6B544;
    --text-main: #D6E1EC;
    --text-sub: #8FA3B8;
    --text-muted: #5B7189;
    --border: rgba(255,255,255,0.08);
    --border-hover: rgba(0,224,164,0.35);
    --radius-lg: 20px;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0,0,0,0.25);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--page-bg);
    font-family: "system-ui", -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--text-main); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input { font-family: inherit; }
.container { max-width: 1280px; width: 100%; --bs-gutter-x: 24px; }
@media (min-width: 1200px) {
    .container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl {
        max-width: 1280px;
    }
}

/* ===== Header / 导航 ===== */
.site-header {
    background: #fff;
    box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.mainnav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
}
.mainnav__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--deep-blue);
    letter-spacing: .5px;
    white-space: nowrap;
}
.mainnav__logo:hover { color: var(--deep-blue); }
.mainnav__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--deep-blue), var(--accent));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.mainnav__links {
    display: flex;
    align-items: center;
    gap: 28px;
}
.mainnav__links .nav-link {
    font-size: 15px;
    color: var(--text-muted);
    font-weight: 500;
    padding: 8px 2px;
    position: relative;
    background: transparent;
    border: none;
}
.mainnav__links .nav-link:hover { color: var(--deep-blue); }
.mainnav__links .nav-link.active { color: var(--deep-blue); font-weight: 600; }
.mainnav__links .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 3px 3px 0 0;
}
.mainnav__actions { display: flex; align-items: center; gap: 12px; }
.mainnav__search {
    display: flex;
    align-items: center;
    background: #F0F2F5;
    border-radius: 20px;
    height: 38px;
    padding: 0 14px;
    gap: 8px;
    border: 1px solid transparent;
    transition: border-color .2s;
}
.mainnav__search:focus-within { border-color: var(--accent); }
.mainnav__search i { color: var(--text-sub); font-size: 13px; }
.mainnav__search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    width: 140px;
    color: var(--deep-blue);
}
.mainnav__search input::placeholder { color: var(--text-muted); }
.mainnav__toggle {
    border: none;
    background: transparent;
    font-size: 20px;
    color: var(--deep-blue);
    padding: 8px 10px;
    border-radius: 10px;
}
.mainnav__toggle:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.mainnav__mobile { background: #fff; padding: 16px 0 20px; border-top: 1px solid #f0f2f5; }
.mobile-nav__link {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    color: var(--deep-blue);
    font-weight: 500;
}
.mobile-nav__link.active { color: var(--accent); }
.mobile-nav__search {
    display: flex;
    align-items: center;
    background: #F0F2F5;
    border-radius: 20px;
    height: 40px;
    padding: 0 14px;
    gap: 8px;
    margin-top: 12px;
}
.mobile-nav__search i { color: var(--text-sub); font-size: 13px; }
.mobile-nav__search input { border: none; background: transparent; outline: none; flex: 1; font-size: 14px; }
.mobile-nav__bottom { margin-top: 16px; }

/* ===== 按钮 ===== */
.btn-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--deep-blue);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    line-height: 1;
    box-shadow: 0 0 20px rgba(0,224,164,0.4);
    padding: 12px 22px;
    font-size: 15px;
    transition: all .25s ease;
}
.btn-brand:hover {
    background: var(--accent-hover);
    color: var(--deep-blue);
    box-shadow: 0 0 28px rgba(0,224,164,0.6);
    transform: translateY(-2px);
}
.btn-brand:active { transform: translateY(0); box-shadow: 0 0 12px rgba(0,224,164,0.3); }
.btn-brand:focus-visible { outline: 2px solid rgba(0,224,164,0.6); outline-offset: 2px; }
.btn-brand.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; }
.btn-block { display: block; width: 100%; height: 44px; text-align: center; border-radius: var(--radius-sm); }
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    padding: 9px 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all .25s ease;
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0,224,164,0.08);
    transform: translateY(-2px);
}

/* ===== 文章横幅 / 面包屑 ===== */
.article-banner {
    position: relative;
    padding: 56px 0 48px;
    background: linear-gradient(rgba(11,29,51,0.88), rgba(11,29,51,0.92)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    background-color: var(--deep-blue);
    border-bottom: 1px solid var(--border);
}
.article-banner__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.article-breadcrumb ol {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.article-breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-sub);
}
.article-breadcrumb li:not(:last-child)::after { content: '›'; color: var(--text-muted); }
.article-breadcrumb a { color: var(--text-sub); }
.article-breadcrumb a:hover { color: var(--accent); }
.article-breadcrumb li[aria-current="page"] {
    color: var(--text-main);
    max-width: 420px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.article-banner__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--amber);
    background: rgba(246,181,68,0.12);
    border: 1px solid rgba(246,181,68,0.25);
    border-radius: 8px;
    padding: 5px 14px;
    font-weight: 500;
}

/* ===== 文章主体 ===== */
.article-main { padding: 64px 0 80px; }
.article-wrap { max-width: 860px; margin: 0 auto; }
.article-detail {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow);
}
.article-detail__title {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: .5px;
    color: #fff;
    margin: 0 0 18px;
}
.article-detail__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding-bottom: 24px;
    margin-bottom: 26px;
    border-bottom: 1px solid var(--border);
}
.article-detail__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    color: var(--text-sub);
}
.article-detail__meta-item i { color: var(--accent); font-size: 14px; }
.article-detail__meta-item a { color: var(--text-sub); }
.article-detail__meta-item a:hover { color: var(--accent); }
.article-detail__cover {
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 30px;
    background: var(--card-bg-2);
}
.article-detail__cover img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* ===== 正文排版 ===== */
.article-detail__content { font-size: 16px; line-height: 1.8; color: var(--text-main); word-break: break-word; }
.article-detail__content p { margin-bottom: 20px; }
.article-detail__content h2 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin: 40px 0 16px;
    line-height: 1.4;
}
.article-detail__content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin: 32px 0 14px;
    line-height: 1.4;
}
.article-detail__content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin: 26px 0 12px;
}
.article-detail__content ul,
.article-detail__content ol {
    padding-left: 22px;
    margin-bottom: 20px;
    list-style-position: outside;
}
.article-detail__content ul { list-style: disc; }
.article-detail__content ol { list-style: decimal; }
.article-detail__content li { margin-bottom: 8px; line-height: 1.75; }
.article-detail__content blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(0,224,164,0.08);
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
    color: var(--text-sub);
    font-size: 15px;
}
.article-detail__content blockquote p:last-child { margin-bottom: 0; }
.article-detail__content a { color: var(--accent); border-bottom: 1px solid rgba(0,224,164,0.3); }
.article-detail__content a:hover { color: var(--accent-hover); border-bottom-color: var(--accent-hover); }
.article-detail__content strong { color: #fff; font-weight: 600; }
.article-detail__content img { max-width: 100%; border-radius: 12px; margin: 24px 0; height: auto; }
.article-detail__content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.article-detail__content th, .article-detail__content td { border: 1px solid rgba(255,255,255,0.12); padding: 10px 12px; text-align: left; }
.article-detail__content th { background: var(--card-bg-2); color: #fff; font-weight: 600; }

/* ===== 文章标签 ===== */
.article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 24px 0;
    margin-top: 32px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.article-tags__label { font-size: 13px; color: var(--text-muted); margin-right: 4px; }
.article-tags__label i { margin-right: 4px; }
.article-tags__item {
    display: inline-block;
    font-size: 13px;
    color: var(--text-main);
    background: rgba(0,224,164,0.08);
    border: 1px solid rgba(0,224,164,0.2);
    border-radius: 8px;
    padding: 4px 12px;
    transition: all .2s;
}
.article-tags__item:hover { background: rgba(0,224,164,0.16); color: var(--accent); }

/* ===== 分享 ===== */
.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.article-share__label { font-size: 14px; color: var(--text-sub); margin-right: 4px; }
.article-share__btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-sub);
    font-size: 16px;
    transition: all .2s ease;
}
.article-share__btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,224,164,0.08); transform: translateY(-2px); }

/* ===== 上篇下篇 ===== */
.article-pager { display: flex; gap: 16px; margin-bottom: 16px; }
.article-pager__item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--card-bg-2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    transition: all .25s ease;
    min-width: 0;
}
.article-pager__item:hover {
    border-color: var(--border-hover);
    background: var(--card-bg);
    transform: translateY(-2px);
}
.article-pager__item--next { justify-content: flex-end; }
.article-pager__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(0,224,164,0.12);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.article-pager__text { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.article-pager__text.text-end { align-items: flex-end; text-align: right; }
.article-pager__label { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }
.article-pager__title { font-size: 15px; color: var(--text-main); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 240px; }

/* ===== 内容未找到 ===== */
.article-notfound {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 80px 40px;
    text-align: center;
    box-shadow: var(--shadow);
}
.article-notfound__icon { font-size: 52px; color: var(--amber); margin-bottom: 20px; }
.article-notfound__title { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.article-notfound__desc { color: var(--text-sub); max-width: 440px; margin: 0 auto 28px; font-size: 15px; }

/* ===== 相关推荐 ===== */
.article-related { padding: 0 0 80px; }
.section-title {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 36px;
    text-align: center;
    position: relative;
    line-height: 1.4;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
    margin: 12px auto 0;
}
.related-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: all .3s ease;
}
.related-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}
.related-card__thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--card-bg-2); }
.related-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-card__thumb img { transform: scale(1.04); }
.related-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.related-card__tag {
    display: inline-block;
    font-size: 12px;
    color: var(--accent);
    background: rgba(0,224,164,0.1);
    border-radius: 6px;
    padding: 4px 10px;
    align-self: flex-start;
    margin-bottom: 12px;
}
.related-card__title { font-size: 16px; font-weight: 600; color: var(--text-main); line-height: 1.5; margin: 0; }

/* ===== 订阅 CTA ===== */
.article-cta { padding: 0 0 80px; }
.cta-card {
    background: linear-gradient(135deg, rgba(18,38,63,0.85), rgba(11,29,51,0.92));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}
.cta-card h2 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 10px; line-height: 1.4; }
.cta-card > p { color: var(--text-sub); font-size: 15px; margin-bottom: 24px; }
.cta-card__form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto 16px; }
.cta-card__form input {
    flex: 1;
    height: 48px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.08);
    color: var(--text-main);
    padding: 0 16px;
    font-size: 14px;
    outline: none;
    min-width: 0;
    transition: border-color .2s, box-shadow .2s;
}
.cta-card__form input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0,224,164,0.2); }
.cta-card__form input::placeholder { color: var(--text-muted); }
.cta-card__note { font-size: 13px; color: var(--text-muted); margin: 0; }
.cta-card__feedback { font-size: 14px; color: var(--accent); background: rgba(0,224,164,0.15); border-radius: 8px; padding: 8px 14px; display: none; max-width: 480px; margin: 0 auto 8px; }
.cta-card__feedback.is-success { display: block; }

/* ===== 页脚 ===== */
.site-footer {
    background: #071120;
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
    color: var(--text-sub);
}
.footer__brand strong { font-size: 22px; color: #fff; display: inline-block; margin-bottom: 12px; }
.footer__brand p { font-size: 14px; line-height: 1.7; max-width: 320px; margin-bottom: 20px; color: var(--text-sub); }
.footer__social { display: flex; gap: 12px; }
.footer__social a {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text-sub); font-size: 16px;
    transition: all .2s ease;
}
.footer__social a:hover { border-color: var(--accent); color: var(--accent); }
.site-footer h4 { font-size: 15px; font-weight: 600; color: var(--text-main); margin-bottom: 16px; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a { color: var(--text-sub); font-size: 14px; transition: color .2s; }
.site-footer ul a:hover { color: var(--accent); }
.footer__divider { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 40px; }
.footer__copyright { padding: 20px 0; text-align: center; }
.footer__copyright p { font-size: 13px; color: var(--text-muted); margin: 0; }

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
    .article-detail { padding: 40px; }
}
@media (max-width: 991.98px) {
    .article-detail { padding: 32px; }
    .article-detail__title { font-size: 28px; }
    .article-related { padding-bottom: 64px; }
    .article-cta { padding-bottom: 64px; }
}
@media (max-width: 767.98px) {
    .article-banner { padding: 40px 0 36px; }
    .article-banner__inner { flex-direction: column; align-items: flex-start; }
    .article-breadcrumb { max-width: 100%; }
    .article-main { padding: 40px 0 56px; }
    .article-detail { padding: 24px 20px; border-radius: var(--radius); }
    .article-detail__title { font-size: 24px; }
    .article-detail__meta { gap: 12px 16px; }
    .article-pager { flex-direction: column; }
    .article-pager__item--next { justify-content: flex-start; }
    .article-notfound { padding: 56px 24px; }
    .section-title { font-size: 24px; margin-bottom: 28px; }
    .cta-card { padding: 32px 20px; border-radius: var(--radius); }
    .cta-card__form { flex-direction: column; }
    .cta-card h2 { font-size: 22px; }
}
@media (max-width: 575.98px) {
    .article-detail__title { font-size: 22px; }
    .article-detail__content { font-size: 15px; line-height: 1.75; }
    .article-detail__content h2 { font-size: 20px; }
    .article-detail__content h3 { font-size: 18px; }
    .article-detail__cover { border-radius: 10px; }
    .article-share { flex-wrap: wrap; }
    .article-breadcrumb li[aria-current="page"] { max-width: 240px; }
    .footer__brand p { max-width: none; }
}