/* roulang page: index */
:root {
            --bg-primary: #0A101F;
            --bg-elevated: rgba(17, 26, 46, .72);
            --bg-deep: #060A14;
            --border-glass: rgba(148, 178, 220, .16);
            --accent-blue: #2E6BFF;
            --accent-cyan: #35D9FF;
            --accent-milan: #E6344E;
            --reward-gold: #F2B544;
            --text-primary: #E7EEF8;
            --text-secondary: #9AAEC8;
            --text-muted: #5E7392;
            --success: #3DDC84;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-tag: 4px;
            --ease: cubic-bezier(.4, 0, .2, 1);
            --container-w: 1320px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s var(--ease), opacity .25s var(--ease);
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            display: block;
        }
        input,
        button,
        textarea {
            font-family: inherit;
        }
        ::selection {
            background: rgba(46, 107, 255, .35);
            color: #fff;
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(148, 178, 220, .28);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(53, 217, 255, .45);
        }
        .container {
            max-width: var(--container-w);
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: rgba(9, 15, 29, .55);
        }
        .section-header {
            margin-bottom: 44px;
            text-align: center;
        }
        .section-header h2 {
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 800;
            letter-spacing: .5px;
            margin: 0 0 14px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: "";
            display: block;
            width: 60px;
            height: 3px;
            margin: 12px auto 0;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 680px;
            margin: 12px auto 0;
        }
        .data-font {
            font-family: "Rajdhani", "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            letter-spacing: .5px;
        }

        /* Buttons */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 34px;
            border: none;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            line-height: 1.2;
            color: #07122A !important;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 0 1px rgba(46, 107, 255, .5), 0 0 24px rgba(46, 107, 255, .35);
            cursor: pointer;
            transition: all .3s var(--ease);
        }
        .btn-glow:hover {
            color: #fff !important;
            transform: scale(1.03);
            box-shadow: 0 0 0 1px rgba(53, 217, 255, .6), 0 0 36px rgba(46, 107, 255, .55);
        }
        .btn-glow:active {
            transform: scale(.98);
        }
        .btn-glow-sm {
            padding: 9px 22px;
            font-size: 13px;
        }
        .btn-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(8px);
            transition: all .3s var(--ease);
            cursor: pointer;
        }
        .btn-glass:hover {
            color: var(--accent-cyan);
            border-color: rgba(53, 217, 255, .45);
            background: rgba(53, 217, 255, .08);
            transform: scale(1.02);
        }
        .btn-glass:active {
            transform: scale(.98);
        }
        .btn-milan {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            color: #fff;
            background: linear-gradient(135deg, #C32438, var(--accent-milan));
            border: none;
            box-shadow: 0 0 18px rgba(230, 52, 78, .3);
            transition: all .3s var(--ease);
            cursor: pointer;
        }
        .btn-milan:hover {
            transform: scale(1.03);
            box-shadow: 0 0 28px rgba(230, 52, 78, .5);
            color: #fff;
        }

        /* Badges & Tags */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, .1);
            border: 1px solid rgba(53, 217, 255, .25);
        }
        .badge-tag.milan {
            color: var(--accent-milan);
            background: rgba(230, 52, 78, .1);
            border-color: rgba(230, 52, 78, .35);
        }
        .badge-tag.gold {
            color: var(--reward-gold);
            background: rgba(242, 181, 68, .1);
            border-color: rgba(242, 181, 68, .35);
        }
        .badge-tag.success {
            color: var(--success);
            background: rgba(61, 220, 132, .1);
            border-color: rgba(61, 220, 132, .3);
        }
        .hot-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            margin-right: 2px;
            vertical-align: 1px;
        }
        .hot-dot.red {
            background: var(--accent-milan);
            box-shadow: 0 0 6px rgba(230, 52, 78, .7);
        }
        .hot-dot.cyan {
            background: var(--accent-cyan);
            box-shadow: 0 0 6px rgba(53, 217, 255, .7);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: -48px;
            z-index: 1050;
            background: rgba(10, 16, 31, .9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(148, 178, 220, .12);
            transition: background-color .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
        }
        .site-header.header-scrolled {
            background: rgba(8, 13, 25, .95);
            box-shadow: 0 8px 32px rgba(3, 8, 18, .55);
            border-bottom-color: rgba(53, 217, 255, .18);
        }
        .header-top {
            height: 48px;
            display: flex;
            align-items: center;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
        }
        .brand-icon {
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #07122A;
            font-size: 15px;
            box-shadow: 0 0 14px rgba(46, 107, 255, .4);
        }
        .brand-text {
            font-weight: 800;
            font-size: 17px;
            letter-spacing: .3px;
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            color: var(--accent-milan);
        }
        .here {
            color: var(--text-primary);
            font-weight: 800;
        }
        .header-tool-btn {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: all .25s var(--ease);
        }
        .header-tool-btn:hover {
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, .08);
        }
        .header-nav {
            border-top: 1px solid rgba(148, 178, 220, .08);
            min-height: 56px;
        }
        .nav-row {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 56px;
        }
        .main-nav {
            display: flex;
            gap: 2px;
        }
        .main-nav .nav-link {
            position: relative;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color .25s var(--ease), background .25s var(--ease);
        }
        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent-cyan);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .3s var(--ease);
        }
        .main-nav .nav-link:hover {
            color: var(--text-primary);
        }
        .main-nav .nav-link:hover::after {
            transform: scaleX(1);
        }
        .main-nav .nav-link.active {
            color: var(--accent-cyan);
        }
        .main-nav .nav-link.active::after {
            transform: scaleX(1);
        }
        .header-search {
            flex: 0 1 240px;
        }
        .header-search .form-control {
            height: 36px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-primary);
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--border-glass);
            padding: 6px 18px;
            transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
        }
        .header-search .form-control::placeholder {
            color: var(--text-muted);
        }
        .header-search .form-control:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(53, 217, 255, .12);
            background: rgba(255, 255, 255, .06);
        }
        .hot-words {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
            white-space: nowrap;
        }
        .hot-words .hot-item {
            font-size: 12px;
            color: var(--text-secondary);
            transition: color .2s var(--ease);
        }
        .hot-words .hot-item:hover {
            color: var(--accent-cyan);
        }
        .hot-words .hot-item .hot-dot {
            margin-right: 4px;
        }
        .navbar-toggler {
            border: 1px solid var(--border-glass);
            background: transparent;
            width: 38px;
            height: 34px;
            padding: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            color: var(--text-secondary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--accent-cyan);
        }
        .mobile-nav-panel {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(8, 13, 25, .97);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-glass);
            z-index: 1049;
        }
        .mobile-nav-inner {
            padding: 20px 24px 28px;
        }
        .mobile-nav-link {
            display: block;
            padding: 11px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(148, 178, 220, .08);
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--accent-cyan);
        }
        .mobile-search .form-control {
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--border-glass);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-primary);
        }
        .mobile-search .form-control:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(53, 217, 255, .1);
        }
        .mobile-hot {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mobile-hot .badge-tag {
            font-size: 12px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding: 70px 0 90px;
            overflow: hidden;
            background-image:
                repeating-linear-gradient(135deg, rgba(255, 255, 255, .025) 0, rgba(255, 255, 255, .025) 1px, transparent 1px, transparent 9px),
                linear-gradient(105deg, rgba(6, 10, 20, .94) 15%, rgba(9, 16, 34, .65) 55%, rgba(18, 28, 50, .4) 100%),
                url('/assets/images/backpic/back-1.png');
            background-size: auto, auto, cover;
            background-position: center;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 75% 30%, rgba(46, 107, 255, .12) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, .08);
            border: 1px solid rgba(53, 217, 255, .25);
            margin-bottom: 24px;
        }
        .hero-kicker i {
            font-size: 11px;
        }
        .hero h1 {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 22px;
            letter-spacing: .5px;
        }
        .hero h1 .accent {
            color: var(--accent-cyan);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 34px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-scroll {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: 12px;
            z-index: 2;
        }
        .hero-scroll .line {
            width: 1px;
            height: 40px;
            background: linear-gradient(180deg, var(--accent-cyan) 0%, transparent 100%);
            position: relative;
        }
        .hero-scroll .line::after {
            content: "";
            position: absolute;
            top: 0;
            left: -3px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-cyan);
            animation: scrollDot 2s ease-in-out infinite;
        }
        @keyframes scrollDot {
            0% {
                transform: translateY(0);
                opacity: 1;
            }
            70% {
                transform: translateY(36px);
                opacity: 0;
            }
            100% {
                transform: translateY(0);
                opacity: 0;
            }
        }
        .hero-bottom-line {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--accent-milan) 0%, transparent 65%);
        }
        .hero-bottom-line::after {
            content: "";
            position: absolute;
            right: 8%;
            top: -3px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(53, 217, 255, .9);
        }

        /* Stats bar */
        .stats-bar {
            position: relative;
            margin-top: -52px;
            z-index: 5;
            padding: 0 0 60px;
        }
        .stats-inner {
            background: rgba(17, 26, 46, .72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 18px 40px rgba(3, 8, 18, .35);
            padding: 28px 40px;
        }
        .stats-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .stats-icon {
            width: 48px;
            height: 48px;
            flex: 0 0 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-size: 18px;
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, .1);
            border: 1px solid rgba(53, 217, 255, .2);
        }
        .stats-num {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.1;
        }
        .stats-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* How-to section */
        .howto-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            min-height: 420px;
            background-image:
                linear-gradient(135deg, rgba(6, 10, 20, .55) 0%, rgba(10, 16, 31, .3) 100%),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border-glass);
        }
        .howto-media .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 68px;
            height: 68px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #07122A;
            font-size: 20px;
            box-shadow: 0 0 0 0 rgba(46, 107, 255, .5);
            animation: breathe 2.2s ease-out infinite;
            transition: transform .3s var(--ease);
        }
        .howto-media .play-btn:hover {
            transform: translate(-50%, -50%) scale(1.08);
        }
        @keyframes breathe {
            0% {
                box-shadow: 0 0 0 0 rgba(46, 107, 255, .5);
            }
            70% {
                box-shadow: 0 0 0 18px rgba(46, 107, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(46, 107, 255, 0);
            }
        }
        .howto-media .media-caption {
            position: absolute;
            left: 24px;
            bottom: 24px;
            color: rgba(231, 238, 248, .8);
            font-size: 13px;
            letter-spacing: 1px;
        }
        .howto-steps {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .howto-step {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 20px 22px;
            background: rgba(13, 20, 38, .85);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            border-left: 3px solid rgba(230, 52, 78, .7);
            transition: all .3s var(--ease);
        }
        .howto-step:hover {
            transform: translateX(4px);
            border-color: rgba(53, 217, 255, .35);
            box-shadow: 0 8px 28px rgba(3, 8, 18, .35);
        }
        .howto-step.active {
            border-left-color: var(--accent-cyan);
            background: rgba(53, 217, 255, .05);
        }
        .howto-step-num {
            font-family: "Rajdhani", "DIN Alternate", sans-serif;
            font-size: 34px;
            font-weight: 700;
            line-height: 1;
            color: var(--accent-milan);
            flex: 0 0 auto;
            width: 48px;
            text-align: center;
            padding-top: 2px;
            text-shadow: 0 0 16px rgba(230, 52, 78, .3);
        }
        .howto-step.active .howto-step-num {
            color: var(--accent-cyan);
            text-shadow: 0 0 16px rgba(53, 217, 255, .4);
        }
        .howto-step-body h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px;
        }
        .howto-step-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Rewards section */
        .rewards-section {
            padding: 80px 0;
            background: rgba(9, 15, 29, .55);
        }
        .reward-jackpot {
            position: relative;
            border-radius: var(--radius-card);
            background: rgba(17, 26, 46, .8);
            border: 1px solid rgba(242, 181, 68, .3);
            box-shadow: 0 0 28px rgba(242, 181, 68, .1), inset 0 1px 0 rgba(255, 255, 255, .05);
            overflow: hidden;
            padding: 0;
            transition: transform .3s var(--ease), box-shadow .3s var(--ease);
        }
        .reward-jackpot:hover {
            transform: translateY(-4px);
            box-shadow: 0 0 40px rgba(242, 181, 68, .16), 0 20px 50px rgba(3, 8, 18, .4);
        }
        .reward-jackpot .reward-img {
            height: 180px;
            background-image: url('/assets/images/coverpic/cover-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .reward-jackpot .reward-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(17, 26, 46, .9) 100%);
        }
        .reward-body {
            padding: 22px 26px 26px;
        }
        .reward-value {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.1;
            color: var(--reward-gold);
            text-shadow: 0 0 30px rgba(242, 181, 68, .3);
        }
        .reward-title {
            font-size: 19px;
            font-weight: 700;
            margin: 8px 0 6px;
        }
        .reward-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .reward-card {
            background: rgba(13, 20, 38, .8);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all .3s var(--ease);
            position: relative;
            overflow: hidden;
        }
        .reward-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 24px;
            width: 28px;
            height: 2px;
            background: var(--accent-milan);
        }
        .reward-card:hover {
            transform: translateY(-4px);
            border-color: rgba(53, 217, 255, .35);
            box-shadow: 0 14px 36px rgba(3, 8, 18, .45);
        }
        .reward-card .reward-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
            background: linear-gradient(135deg, rgba(46, 107, 255, .25), rgba(53, 217, 255, .15));
            color: var(--accent-cyan);
            border: 1px solid rgba(53, 217, 255, .2);
        }
        .reward-card.gold-card {
            border-color: rgba(242, 181, 68, .25);
        }
        .reward-card.gold-card::before {
            background: var(--reward-gold);
        }
        .reward-card.gold-card .reward-icon {
            background: rgba(242, 181, 68, .12);
            color: var(--reward-gold);
            border-color: rgba(242, 181, 68, .25);
        }
        .reward-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .reward-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 14px;
        }
        .reward-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
        }
        .reward-amount {
            font-family: "Rajdhani", sans-serif;
            font-weight: 700;
            font-size: 18px;
            color: var(--reward-gold);
        }
        .reward-status {
            font-size: 12px;
            color: var(--text-muted);
        }
        .reward-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        /* Tasks panel */
        .tasks-section {
            padding: 80px 0;
        }
        .task-board {
            background: rgba(13, 20, 38, .85);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 34px;
            position: relative;
            overflow: hidden;
        }
        .task-board::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), transparent 80%);
        }
        .task-progress-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .task-progress-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .task-progress-value {
            font-family: "Rajdhani", sans-serif;
            font-size: 26px;
            font-weight: 700;
            color: var(--accent-cyan);
            text-shadow: 0 0 18px rgba(53, 217, 255, .35);
        }
        .progress {
            height: 10px;
            background: rgba(255, 255, 255, .06);
            border-radius: 999px;
            overflow: visible;
            border: 1px solid rgba(148, 178, 220, .12);
            margin-bottom: 30px;
        }
        .progress-bar {
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            position: relative;
            overflow: visible;
            box-shadow: 0 0 16px rgba(53, 217, 255, .4);
        }
        .progress-bar::after {
            content: "";
            position: absolute;
            right: -4px;
            top: -3px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(53, 217, 255, .2), 0 0 18px rgba(53, 217, 255, .6);
        }
        .task-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .task-card {
            background: rgba(17, 26, 46, .6);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 24px;
            transition: all .3s var(--ease);
            position: relative;
        }
        .task-card:hover {
            border-color: rgba(53, 217, 255, .3);
            box-shadow: 0 12px 32px rgba(3, 8, 18, .4);
            transform: translateY(-3px);
        }
        .task-card .task-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            background: rgba(46, 107, 255, .12);
            color: var(--accent-blue);
            border: 1px solid rgba(46, 107, 255, .2);
            margin-bottom: 16px;
        }
        .task-card.completed .task-icon {
            color: var(--success);
            background: rgba(61, 220, 132, .12);
            border-color: rgba(61, 220, 132, .25);
        }
        .task-card.pending .task-icon {
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, .1);
            border-color: rgba(53, 217, 255, .2);
        }
        .task-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .task-card .task-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.55;
        }
        .task-card .task-reward {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(148, 178, 220, .1);
        }
        .task-reward .reward-num {
            font-family: "Rajdhani", sans-serif;
            font-size: 18px;
            font-weight: 700;
            color: var(--reward-gold);
        }
        .task-state {
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
        }
        .task-state.ongoing {
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, .1);
        }
        .task-state.done {
            color: var(--success);
            background: rgba(61, 220, 132, .1);
        }
        .task-state.todo {
            color: var(--text-muted);
            background: rgba(94, 115, 146, .12);
        }
        .task-card .task-btn {
            width: 100%;
            margin-top: 16px;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            text-align: center;
            transition: all .3s var(--ease);
        }
        .task-btn.btn-primary-custom {
            color: #07122A;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 12px rgba(46, 107, 255, .3);
        }
        .task-btn.btn-primary-custom:hover {
            color: #fff;
            transform: scale(1.02);
        }
        .task-btn.btn-outline-custom {
            color: var(--text-secondary);
            border: 1px solid var(--border-glass);
            background: transparent;
        }
        .task-btn.btn-outline-custom:hover {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
        }
        .task-btn.btn-disabled {
            color: var(--text-muted);
            background: rgba(94, 115, 146, .08);
            border: 1px solid rgba(148, 178, 220, .1);
            cursor: default;
        }

        /* CTA section */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background-image:
                repeating-linear-gradient(135deg, rgba(255, 255, 255, .02) 0, rgba(255, 255, 255, .02) 1px, transparent 1px, transparent 8px),
                linear-gradient(105deg, rgba(6, 10, 20, .9) 20%, rgba(9, 16, 34, .7) 60%, rgba(18, 28, 50, .5) 100%),
                url('/assets/images/backpic/back-3.webp');
            background-size: auto, auto, cover;
            background-position: center;
        }
        .cta-panel {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            background: rgba(17, 26, 46, .7);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: 24px;
            padding: 52px 48px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 24px 60px rgba(3, 8, 18, .45);
            position: relative;
        }
        .cta-panel .cta-glow {
            position: absolute;
            top: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 140px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 20px rgba(53, 217, 255, .6);
        }
        .cta-panel h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-panel p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 32px;
        }
        .cta-btn-wrap {
            position: relative;
            display: inline-block;
        }
        .cta-btn-wrap .btn-glow {
            position: relative;
            z-index: 2;
            animation: ctaPulse 2s ease-out infinite;
        }
        @keyframes ctaPulse {
            0% {
                box-shadow: 0 0 0 0 rgba(46, 107, 255, .55), 0 0 24px rgba(46, 107, 255, .35);
            }
            70% {
                box-shadow: 0 0 0 18px rgba(46, 107, 255, 0), 0 0 32px rgba(53, 217, 255, .4);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(46, 107, 255, 0), 0 0 24px rgba(46, 107, 255, .35);
            }
        }
        .cta-note {
            margin-top: 20px;
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 20px;
        }

        /* News section */
        .news-section {
            padding: 80px 0;
            background: rgba(9, 15, 29, .55);
        }
        .news-featured {
            background: rgba(13, 20, 38, .85);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all .3s var(--ease);
            height: 100%;
        }
        .news-featured:hover {
            transform: translateY(-4px);
            border-color: rgba(53, 217, 255, .3);
            box-shadow: 0 16px 44px rgba(3, 8, 18, .5);
        }
        .news-featured-img {
            height: 230px;
            overflow: hidden;
            position: relative;
        }
        .news-featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s var(--ease);
        }
        .news-featured:hover .news-featured-img img {
            transform: scale(1.04);
        }
        .news-featured-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(13, 20, 38, .8) 100%);
        }
        .news-featured-body {
            padding: 24px 26px 26px;
            position: relative;
        }
        .news-featured-body h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.45;
            margin: 12px 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-featured-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-featured-body time {
            font-family: "Rajdhani", sans-serif;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            height: 100%;
        }
        .news-list-item {
            background: rgba(13, 20, 38, .8);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 18px 20px;
            transition: all .3s var(--ease);
            flex: 1;
            max-height: 150px;
            overflow: hidden;
        }
        .news-list-item:hover {
            border-color: rgba(53, 217, 255, .3);
            transform: translateX(4px);
            background: rgba(17, 26, 46, .9);
        }
        .news-list-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 8px 0 6px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item time {
            font-family: "Rajdhani", sans-serif;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-link {
            display: block;
            height: 100%;
        }
        .news-arrow {
            position: absolute;
            right: 18px;
            bottom: 20px;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(53, 217, 255, .1);
            color: var(--accent-cyan);
            font-size: 12px;
            opacity: 0;
            transform: translateX(-8px);
            transition: all .3s var(--ease);
        }
        .news-list-item:hover .news-arrow {
            opacity: 1;
            transform: translateX(0);
        }
        .empty-state {
            width: 100%;
            padding: 70px 24px;
            text-align: center;
            background: rgba(13, 20, 38, .6);
            border: 1px dashed rgba(148, 178, 220, .2);
            border-radius: var(--radius-card);
        }
        .empty-state .empty-icon {
            font-size: 52px;
            color: var(--text-muted);
            margin-bottom: 18px;
            opacity: .6;
        }
        .empty-state p {
            font-size: 15px;
            color: var(--text-secondary);
        }

        /* FAQ section */
        .faq-section {
            padding: 80px 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: rgba(13, 20, 38, .8);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            overflow: hidden;
            transition: all .3s var(--ease);
        }
        .faq-item.open {
            border-color: rgba(53, 217, 255, .3);
            background: rgba(17, 26, 46, .9);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: color .25s var(--ease);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-item.open .faq-question {
            color: var(--accent-cyan);
        }
        .faq-icon {
            flex: 0 0 auto;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(53, 217, 255, .08);
            color: var(--text-secondary);
            font-size: 12px;
            border: 1px solid var(--border-glass);
            transition: all .3s var(--ease);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-cyan);
            border-color: rgba(53, 217, 255, .3);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s var(--ease), padding .35s var(--ease);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-left: 2px solid var(--accent-milan);
            padding-left: 16px;
            margin: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(148, 178, 220, .1);
            padding: 60px 0 0;
        }
        .footer-brand {
            margin-bottom: 20px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 16px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-milan), transparent);
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all .25s var(--ease);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-contact i {
            color: var(--accent-cyan);
            margin-top: 3px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 178, 220, .1);
            margin-top: 48px;
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Bootstrap overrides */
        .btn:focus,
        .btn:active:focus,
        .form-control:focus {
            box-shadow: none;
        }
        .form-control {
            border-radius: 8px;
        }
        a {
            text-decoration: none;
        }

        /* Responsive */
        @media (max-width: 1199.98px) {
            .hot-words {
                display: none;
            }
            .header-search {
                flex: 1;
                max-width: 280px;
            }
        }
        @media (max-width: 991.98px) {
            .site-header {
                top: 0;
            }
            .header-top {
                height: 60px;
            }
            .header-nav {
                display: none;
            }
            .brand-text {
                font-size: 16px;
            }
            .hero {
                min-height: 60vh;
                padding: 50px 0 70px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .task-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .task-board {
                padding: 24px;
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .cta-panel h2 {
                font-size: 26px;
            }
            .section {
                padding: 56px 0;
            }
            .rewards-section,
            .news-section,
            .faq-section {
                padding: 56px 0;
            }
            .stats-bar {
                margin-top: -40px;
            }
            .stats-inner {
                padding: 20px 20px;
            }
            .stats-item {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .stats-icon {
                width: 40px;
                height: 40px;
                flex-basis: 40px;
                font-size: 15px;
            }
            .stats-num {
                font-size: 22px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .hero-actions .btn-glow,
            .hero-actions .btn-glass {
                width: 100%;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .reward-stack {
                flex-direction: column;
            }
            .cta-panel {
                padding: 32px 18px;
                border-radius: 18px;
            }
            .footer-bottom {
                font-size: 12px;
                padding: 16px 12px;
            }
            .brand-text {
                font-size: 15px;
            }
            .news-featured-body h3 {
                font-size: 17px;
            }
            .news-list-item {
                max-height: none;
            }
            .hero-sub {
                font-size: 15px;
            }
        }
        @media (min-width: 1400px) {
            .container {
                max-width: var(--container-w);
            }
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-milan);
            background: rgba(230, 52, 78, .12);
            border-radius: 3px;
            padding: 2px 6px;
            margin-right: 4px;
            vertical-align: 2px;
        }
        .w-100 {
            width: 100%;
        }
        .section-sub {
            font-size: 14px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
            margin-bottom: 0;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 0;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0A101F;
            --bg-deep: #060A14;
            --bg-elevated: rgba(17, 26, 46, 0.72);
            --bg-panel: #0E1626;
            --border-glass: rgba(148, 178, 220, 0.16);
            --accent-blue: #2E6BFF;
            --accent-cyan: #35D9FF;
            --accent-milan: #E6344E;
            --reward-gold: #F2B544;
            --text-primary: #E7EEF8;
            --text-secondary: #9AAEC8;
            --text-muted: #5E7392;
            --success: #3DDC84;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-tag: 4px;
            --shadow-card: 0 10px 30px rgba(3, 8, 18, 0.4);
            --shadow-glass: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 12px 32px rgba(3, 8, 18, 0.35);
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "Rajdhani", "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-cn);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--accent-cyan);
            text-decoration: none;
            opacity: 0.85;
        }

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

        .container {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(148, 178, 220, 0.25);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(53, 217, 255, 0.35);
        }

        /* ===== 按钮 ===== */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #2E6BFF, #35D9FF);
            color: #06102A;
            font-weight: 800;
            font-size: 15px;
            padding: 14px 32px;
            border: none;
            border-radius: 999px;
            box-shadow: 0 0 0 1px rgba(46, 107, 255, 0.5), 0 0 24px rgba(46, 107, 255, 0.35);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .btn-glow:hover {
            color: #06102A;
            transform: scale(1.02) translateY(-1px);
            box-shadow: 0 0 0 1px rgba(53, 217, 255, 0.6), 0 0 36px rgba(53, 217, 255, 0.45);
        }

        .btn-glow:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 4px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 999px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(53, 217, 255, 0.4);
            color: var(--accent-cyan);
            transform: scale(1.02);
        }

        /* ===== 标签 ===== */
        .tag-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, 0.1);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            letter-spacing: 0.03em;
        }

        .tag-red {
            color: var(--accent-milan);
            background: rgba(230, 52, 78, 0.12);
        }

        .tag-gold {
            color: var(--reward-gold);
            background: rgba(242, 181, 68, 0.1);
        }

        /* ===== Header / 导航 ===== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 16, 31, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(148, 178, 220, 0.12);
            transition: var(--transition);
        }

        .main-header.scrolled {
            background: rgba(6, 10, 20, 0.95);
            box-shadow: 0 10px 30px rgba(3, 8, 18, 0.6);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(148, 178, 220, 0.08);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .brand-logo:hover {
            color: var(--text-primary);
            opacity: 1;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            color: #06102A;
            font-size: 16px;
        }

        .brand-logo em {
            font-style: normal;
            color: var(--accent-milan);
            font-weight: 900;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-actions .search-icon {
            color: var(--text-secondary);
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
        }

        .header-actions .search-icon:hover {
            color: var(--accent-cyan);
        }

        .header-actions .btn-mini {
            background: linear-gradient(135deg, #2E6BFF, #35D9FF);
            color: #06102A;
            font-size: 14px;
            font-weight: 800;
            border: none;
            border-radius: 999px;
            padding: 6px 18px;
            transition: var(--transition);
        }

        .header-actions .btn-mini:hover {
            transform: scale(1.03);
            box-shadow: 0 0 18px rgba(46, 107, 255, 0.4);
        }

        .header-bottom {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 12px 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--text-primary);
            opacity: 1;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.3s ease;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

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

        .nav-search-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 16px;
            min-width: 0;
        }

        .nav-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 999px;
            padding: 6px 16px;
            max-width: 260px;
            width: 100%;
            transition: var(--transition);
        }

        .nav-search-box:focus-within {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(53, 217, 255, 0.12);
        }

        .nav-search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 13px;
            flex: 1;
            min-width: 0;
        }

        .nav-search-box input::placeholder {
            color: var(--text-muted);
        }

        .nav-search-box i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .hot-tag {
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            padding: 3px 10px;
            border-radius: 999px;
            transition: var(--transition);
            position: relative;
        }

        .hot-tag:hover {
            color: var(--accent-cyan);
            background: rgba(53, 217, 255, 0.08);
        }

        .hot-tag .corner {
            position: absolute;
            top: -6px;
            right: -4px;
            font-size: 10px;
            font-weight: 700;
            color: var(--text-primary);
            padding: 0 5px;
            border-radius: 4px;
        }

        .corner-hot {
            background: var(--accent-milan);
        }

        .corner-new {
            background: var(--accent-cyan);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 20px;
            cursor: pointer;
            padding: 4px;
        }

        /* ===== 分类 Hero ===== */
        .cat-hero {
            position: relative;
            background: linear-gradient(105deg, rgba(6, 10, 20, 0.95) 15%, rgba(9, 16, 34, 0.7) 55%, rgba(18, 28, 50, 0.5) 100%),
                        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 60vh;
            display: flex;
            align-items: center;
            padding: 100px 0 60px;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(
                135deg,
                transparent 0px,
                transparent 8px,
                rgba(255, 255, 255, 0.02) 8px,
                rgba(255, 255, 255, 0.02) 9px
            );
            pointer-events: none;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--accent-milan) 0%, transparent 40%, var(--accent-cyan) 100%);
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 52, 78, 0.15);
            border: 1px solid rgba(230, 52, 78, 0.3);
            color: var(--accent-milan);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
        }

        .cat-hero h1 {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .cat-hero h1 .highlight {
            background: linear-gradient(120deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .scroll-indicator {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 12px;
            letter-spacing: 0.2em;
            z-index: 2;
        }

        .scroll-indicator .line {
            width: 1px;
            height: 36px;
            background: linear-gradient(to bottom, rgba(53, 217, 255, 0.6), transparent);
            position: relative;
            overflow: hidden;
        }

        .scroll-indicator .line::after {
            content: "";
            position: absolute;
            top: -50%;
            left: 0;
            width: 100%;
            height: 50%;
            background: var(--accent-cyan);
            animation: scrollPulse 2s infinite;
        }

        @keyframes scrollPulse {
            0% { top: -50%; }
            100% { top: 100%; }
        }

        /* ===== 数据条 ===== */
        .info-strip {
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-glass);
            padding: 28px 34px;
            margin-top: -30px;
            position: relative;
            z-index: 5;
        }

        .info-item {
            text-align: center;
            padding: 10px 0;
        }

        .info-item + .info-item {
            border-left: 1px solid rgba(148, 178, 220, 0.12);
        }

        .info-icon {
            color: var(--accent-cyan);
            font-size: 20px;
            margin-bottom: 8px;
        }

        .info-num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .info-num .unit {
            font-size: 16px;
            color: var(--text-muted);
            right: 0;
            bottom: 4px;
        }

        .info-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== 主内容区 ===== */
        .cat-content {
            padding: 80px 0 60px;
        }

        .main-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 36px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .main-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 64px;
            background: var(--accent-milan);
            border-radius: 0 0 4px 0;
        }

        .section-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .main-card h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.4;
            position: relative;
            padding-bottom: 16px;
        }

        .main-card h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 56px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), transparent);
            border-radius: 2px;
        }

        .main-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 32px 0 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .main-card h3 i {
            color: var(--accent-milan);
            font-size: 16px;
        }

        .main-card p.lead-text {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .entry-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .entry-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(148, 178, 220, 0.08);
            transition: var(--transition);
        }

        .entry-list li:last-child {
            border-bottom: none;
        }

        .entry-icon {
            flex-shrink: 0;
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(46, 107, 255, 0.12);
            border-radius: 8px;
            color: var(--accent-cyan);
            font-size: 14px;
        }

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

        .entry-text strong {
            color: var(--text-primary);
            font-weight: 600;
            display: block;
            margin-bottom: 2px;
        }

        .content-img {
            border-radius: 12px;
            overflow: hidden;
            margin: 24px 0;
            position: relative;
        }

        .content-img img {
            width: 100%;
            object-fit: cover;
        }

        /* ===== 侧边栏 ===== */
        .sidebar-sticky {
            position: sticky;
            top: 140px;
        }

        .side-card {
            background: var(--bg-elevated);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-glass);
            margin-bottom: 24px;
            transition: var(--transition);
        }

        .side-card:hover {
            border-color: rgba(53, 217, 255, 0.25);
            transform: translateY(-2px);
        }

        .side-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-title::before {
            content: "";
            width: 3px;
            height: 18px;
            background: var(--accent-milan);
            border-radius: 3px;
        }

        .side-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .side-link-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            padding: 12px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .side-link-item:hover {
            background: rgba(53, 217, 255, 0.06);
            border-color: rgba(53, 217, 255, 0.3);
            color: var(--accent-cyan);
            transform: translateY(-2px);
        }

        .side-link-item i {
            color: var(--accent-cyan);
            font-size: 15px;
        }

        .promo-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(242, 181, 68, 0.3);
            background: linear-gradient(135deg, rgba(242, 181, 68, 0.08), rgba(46, 107, 255, 0.06));
        }

        .promo-card img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }

        .promo-body {
            padding: 18px;
        }

        .promo-body .tag-badge {
            margin-bottom: 10px;
        }

        .promo-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .promo-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .promo-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--reward-gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .promo-link:hover {
            color: var(--reward-gold);
            gap: 10px;
        }

        /* ===== 流程区 ===== */
        .process-section {
            padding: 80px 0;
            background: var(--bg-deep);
            position: relative;
        }

        .process-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(
                90deg,
                transparent 0px,
                transparent 4px,
                rgba(255, 255, 255, 0.02) 4px,
                rgba(255, 255, 255, 0.02) 5px
            );
            pointer-events: none;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head .section-label {
            display: block;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }

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

        .divider-cyan {
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
            border-radius: 3px;
            margin: 18px auto 0;
        }

        .step-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            height: 100%;
        }

        .step-card:hover {
            transform: translateY(-6px);
            border-color: rgba(53, 217, 255, 0.25);
            box-shadow: 0 16px 40px rgba(3, 8, 18, 0.5);
        }

        .step-num {
            font-family: var(--font-num);
            font-size: 48px;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1px rgba(46, 107, 255, 0.5);
            line-height: 1;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .step-num .step-line {
            flex: 1;
            height: 1px;
            margin-left: 16px;
            background: linear-gradient(90deg, rgba(46, 107, 255, 0.4), transparent);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

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

        .step-card .step-icon-box {
            position: absolute;
            top: 28px;
            right: 24px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(230, 52, 78, 0.08);
            border: 1px solid rgba(230, 52, 78, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-milan);
            font-size: 16px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-primary);
        }

        .faq-card {
            background: transparent;
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-card.active,
        .faq-card:hover {
            border-color: rgba(53, 217, 255, 0.3);
        }

        .faq-head {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            transition: var(--transition);
        }

        .faq-head:hover {
            color: var(--accent-cyan);
        }

        .faq-card.active .faq-head {
            color: var(--accent-cyan);
            border-left: 2px solid var(--accent-milan);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(46, 107, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 12px;
            transition: transform 0.3s ease;
        }

        .faq-card.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(53, 217, 255, 0.15);
        }

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

        .faq-body-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-deep);
            position: relative;
        }

        .cta-panel {
            position: relative;
            background: var(--bg-elevated);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 20px;
            padding: 60px 40px;
            text-align: center;
            box-shadow: var(--shadow-glass);
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(46, 107, 255, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .pulse-btn-wrap {
            position: relative;
            display: inline-block;
            margin-top: 24px;
        }

        .pulse-btn-wrap::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 100%;
            height: 100%;
            border-radius: 999px;
            background: rgba(46, 107, 255, 0.4);
            animation: pulseRing 2s infinite;
            z-index: 0;
        }

        @keyframes pulseRing {
            0% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.6;
            }
            100% {
                transform: translate(-50%, -50%) scale(1.4);
                opacity: 0;
            }
        }

        .pulse-btn-wrap .btn-glow {
            position: relative;
            z-index: 1;
            font-size: 16px;
            padding: 16px 44px;
        }

        .cta-safety {
            margin-top: 24px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

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

        .cta-safety i {
            color: var(--success);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            padding-top: 60px;
            border-top: 1px solid var(--border-glass);
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-logo em {
            font-style: normal;
            color: var(--accent-milan);
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent-milan);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a::before {
            content: "›";
            color: var(--accent-cyan);
            font-size: 16px;
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }

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

        .footer-contact li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact li i {
            color: var(--accent-cyan);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(148, 178, 220, 0.1);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .hot-tags {
                display: none;
            }
            .cat-hero h1 {
                font-size: 40px;
            }
        }

        @media (max-width: 991.98px) {
            .header-bottom {
                flex-wrap: wrap;
                gap: 12px;
            }
            .main-nav {
                gap: 20px;
                flex-wrap: wrap;
            }
            .nav-search-wrap {
                width: 100%;
                justify-content: flex-start;
            }
            .nav-search-box {
                max-width: 100%;
            }
            .cat-hero {
                min-height: 50vh;
                padding: 80px 0 48px;
            }
            .info-item + .info-item {
                border-left: none;
                border-top: 1px solid rgba(148, 178, 220, 0.1);
                padding-top: 16px;
                margin-top: 8px;
            }
            .sidebar-sticky {
                position: static;
                margin-top: 32px;
            }
            .cat-content {
                padding: 56px 0 40px;
            }
            .process-section {
                padding: 56px 0;
            }
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }
            .cta-panel {
                padding: 40px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .header-top {
                padding: 8px 0;
            }
            .header-bottom {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 10, 20, 0.98);
                padding: 16px 20px;
                flex-direction: column;
                align-items: flex-start;
                border-bottom: 1px solid var(--border-glass);
                box-shadow: 0 20px 40px rgba(3, 8, 18, 0.6);
            }
            .header-bottom.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                width: 100%;
            }
            .nav-link {
                padding: 8px 0;
                display: block;
                width: 100%;
                font-size: 15px;
            }
            .nav-search-wrap {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .nav-search-box {
                max-width: 100%;
            }
            .hot-tags {
                display: flex;
                flex-wrap: wrap;
            }
            .cat-hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-buttons .btn-glow,
            .hero-buttons .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .main-card {
                padding: 24px;
            }
            .info-strip {
                padding: 20px;
                margin-top: -20px;
            }
            .info-num {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .scroll-indicator {
                display: none;
            }
            .step-card {
                margin-bottom: 16px;
            }
            .cta-safety {
                flex-direction: column;
                gap: 8px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .brand-logo {
                font-size: 17px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .header-actions .btn-mini {
                display: none;
            }
            .cat-hero {
                min-height: 60vh;
                padding: 72px 0 40px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .main-card h2 {
                font-size: 22px;
            }
            .side-links {
                grid-template-columns: 1fr;
            }
            .promo-card img {
                height: 100px;
            }
        }

/* roulang page: article */
:root {
  --bg-primary: #0A101F;
  --bg-elevated: rgba(17, 26, 46, .72);
  --bg-deep: #060A14;
  --bg-panel: #0E1626;
  --border-glass: rgba(148, 178, 220, .16);
  --accent-blue: #2E6BFF;
  --accent-cyan: #35D9FF;
  --accent-milan: #E6344E;
  --reward-gold: #F2B544;
  --text-primary: #E7EEF8;
  --text-secondary: #9AAEC8;
  --text-muted: #5E7392;
  --success: #3DDC84;
  --radius-card: 16px;
  --radius-btn: 999px;
  --radius-tag: 4px;
  --shadow-card: 0 10px 30px rgba(3, 8, 18, .4);
  --shadow-glass: inset 0 1px 0 rgba(255, 255, 255, .06), 0 12px 32px rgba(3, 8, 18, .35);
  --glow-blue: 0 0 0 1px rgba(46, 107, 255, .5), 0 0 24px rgba(46, 107, 255, .35);
  --container-max: 1320px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 82% 4%, rgba(46, 107, 255, .09), transparent 38%),
    radial-gradient(circle at 8% 58%, rgba(53, 217, 255, .04), transparent 32%);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

.container {
  max-width: var(--container-max);
  padding-left: 24px;
  padding-right: 24px;
}

.display-num {
  font-family: "Rajdhani", "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  font-weight: 600;
  letter-spacing: .5px;
}

/* ===== Buttons ===== */
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #06102e;
  font-size: 15px;
  font-weight: 700;
  box-shadow: var(--glow-blue);
  transition: transform .3s ease, box-shadow .3s ease, filter .3s ease;
  border: none;
  cursor: pointer;
}

.btn-main:hover {
  transform: scale(1.03) translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 0 0 1px rgba(53, 217, 255, .6), 0 0 34px rgba(46, 107, 255, .5);
  color: #06102e;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  transition: all .3s ease;
  cursor: pointer;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(148, 178, 220, .3);
  color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(3, 8, 18, .3);
}

.btn-participate-sm {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 18px;
  border-radius: var(--radius-btn);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #06102e;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 0 14px rgba(46, 107, 255, .3);
  transition: all .3s ease;
}

.btn-participate-sm:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(53, 217, 255, .4);
  color: #06102e;
}

/* ===== Tags & Badges ===== */
.category-tag {
  display: inline-block;
  padding: 5px 10px;
  border-radius: var(--radius-tag);
  font-size: 12px;
  font-weight: 600;
  background: rgba(230, 52, 78, .14);
  color: var(--accent-milan);
  border: 1px solid rgba(230, 52, 78, .28);
  letter-spacing: .3px;
}

.tag-badge {
  display: inline-block;
  font-size: 10px;
  line-height: 1;
  padding: 3px 5px;
  border-radius: 3px;
  font-style: normal;
  font-weight: 700;
  vertical-align: 1px;
}

.tag-badge.red {
  background: var(--accent-milan);
  color: #fff;
}

.tag-badge.cyan {
  background: var(--accent-cyan);
  color: #06102e;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 16, 31, .86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-glass);
  transition: box-shadow .35s ease, background .35s ease;
}

.header-scrolled {
  background: rgba(8, 14, 26, .94);
  box-shadow: 0 8px 32px rgba(3, 8, 18, .55);
}

.header-top {
  border-bottom: 1px solid rgba(148, 178, 220, .08);
  overflow: hidden;
  transition: height .35s ease, padding .35s ease;
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #06102e;
  font-size: 14px;
  box-shadow: 0 0 16px rgba(46, 107, 255, .35);
}

.brand-text {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .2px;
  white-space: nowrap;
}

.brand-text em {
  font-style: normal;
  color: #fff;
  background: var(--accent-milan);
  border-radius: 4px;
  padding: 1px 4px;
  margin-right: 2px;
  font-weight: 800;
}

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

.header-search-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 14px;
  transition: all .3s ease;
}

.header-search-btn:hover {
  color: var(--accent-cyan);
  border-color: rgba(53, 217, 255, .4);
  background: rgba(53, 217, 255, .08);
}

.navbar-toggler {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 36px;
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border-glass);
  cursor: pointer;
}

.navbar-toggler span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--text-primary);
  transition: all .3s ease;
}

.navbar-toggler.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar-toggler.open span:nth-child(2) {
  opacity: 0;
}

.navbar-toggler.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header-bottom-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 56px;
}

.scroll-brand {
  display: none;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
}

.scroll-brand .brand-icon {
  width: 28px;
  height: 28px;
  font-size: 12px;
  border-radius: 7px;
}

.scroll-brand .brand-text {
  font-size: 15px;
}

.header-scrolled .scroll-brand {
  display: flex;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color .3s ease, background .3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, .04);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--accent-cyan);
}

.nav-link.active::after {
  transform: scaleX(1);
}

.header-search {
  position: relative;
  flex: 1;
  max-width: 280px;
  margin-left: auto;
}

.header-search input {
  width: 100%;
  height: 36px;
  padding: 0 14px 0 36px;
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 13px;
  transition: border-color .3s ease, background .3s ease, box-shadow .3s ease;
}

.header-search input::placeholder {
  color: var(--text-muted);
}

.header-search input:focus {
  border-color: rgba(53, 217, 255, .6);
  background: rgba(53, 217, 255, .05);
  box-shadow: 0 0 0 3px rgba(53, 217, 255, .1);
}

.header-search i {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--text-muted);
  pointer-events: none;
}

.hot-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.hot-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: var(--radius-btn);
  font-size: 12px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(148, 178, 220, .1);
  color: var(--text-secondary);
  white-space: nowrap;
  cursor: pointer;
  transition: all .3s ease;
}

.hot-tag:hover {
  color: var(--accent-cyan);
  background: rgba(53, 217, 255, .07);
  border-color: rgba(53, 217, 255, .3);
}

/* ===== Mobile Drawer ===== */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-glass);
  padding: 80px 24px 30px;
  z-index: 1050;
  transition: right .4s cubic-bezier(.22, .68, 0, 1);
  overflow-y: auto;
  box-shadow: -12px 0 40px rgba(3, 8, 18, .6);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 22px;
}

.drawer-nav a {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, .03);
  transition: all .3s ease;
}

.drawer-nav a.active {
  color: var(--accent-cyan);
  background: rgba(53, 217, 255, .08);
  border-left: 3px solid var(--accent-cyan);
}

.drawer-search {
  position: relative;
  margin-bottom: 20px;
}

.drawer-search input {
  width: 100%;
  height: 42px;
  padding: 0 14px 0 40px;
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 14px;
}

.drawer-search i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

.drawer-hot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, .04);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all .3s ease;
  cursor: pointer;
}

.drawer-close:hover {
  color: var(--accent-milan);
  border-color: rgba(230, 52, 78, .4);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 8, 18, .6);
  backdrop-filter: blur(3px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: all .4s ease;
}

.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== Breadcrumb ===== */
.page-breadcrumb {
  padding: 18px 0;
  border-bottom: 1px solid rgba(148, 178, 220, .08);
  background: rgba(6, 10, 20, .5);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  list-style: none;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-list li + li::before {
  content: '/';
  color: var(--text-muted);
  opacity: .5;
  font-size: 12px;
}

.breadcrumb-list a {
  color: var(--text-secondary);
  transition: color .25s ease;
}

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

.breadcrumb-list .current {
  color: var(--text-primary);
  font-weight: 500;
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Article Head ===== */
.article-head {
  position: relative;
  padding: 64px 0 52px;
  overflow: hidden;
  background: linear-gradient(105deg, rgba(6, 10, 20, .94) 15%, rgba(9, 16, 34, .7) 55%, rgba(18, 28, 50, .5) 100%);
  border-bottom: 1px solid var(--border-glass);
}

.article-head::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  opacity: .22;
  pointer-events: none;
}

.article-head::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-milan) 0%, transparent 60%);
}

.article-head-inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.article-cat {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius-tag);
  background: rgba(230, 52, 78, .15);
  border: 1px solid rgba(230, 52, 78, .3);
  color: var(--accent-milan);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 18px;
}

.article-head h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: .3px;
  text-wrap: balance;
}

.article-meta-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--text-secondary);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.meta-item i {
  color: var(--text-muted);
  font-size: 13px;
}

.meta-date {
  font-family: "Rajdhani", "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .3px;
  color: var(--text-secondary);
}

/* ===== Article Main ===== */
.article-main-section {
  position: relative;
  padding: 56px 0 48px;
}

.article-cover {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 36px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-glass);
  aspect-ratio: 16 / 7;
}

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

.article-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(6, 10, 20, .6) 100%);
}

.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  word-wrap: break-word;
}

.article-body p {
  margin-bottom: 24px;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  margin-top: 38px;
  margin-bottom: 20px;
  padding-left: 15px;
  border-left: 3px solid var(--accent-cyan);
  color: #fff;
}

.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-top: 30px;
  margin-bottom: 16px;
  color: #fff;
}

.article-body h4 {
  font-size: 16px;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.article-body ul,
.article-body ol {
  margin-bottom: 24px;
  padding-left: 26px;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.article-body a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: #fff;
}

.article-body img {
  border-radius: 12px;
  margin: 22px 0;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-glass);
}

.article-body blockquote {
  position: relative;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(148, 178, 220, .04) 10px, rgba(148, 178, 220, .04) 20px),
    linear-gradient(135deg, rgba(17, 26, 46, .94), rgba(10, 16, 31, .92));
  border: 1px solid var(--border-glass);
  border-left: 3px solid var(--accent-blue);
  border-radius: 12px;
  padding: 22px 26px;
  margin-bottom: 26px;
  color: var(--text-secondary);
  font-size: 15px;
}

.article-body blockquote p {
  margin-bottom: 0;
}

.article-body strong {
  color: #fff;
  font-weight: 600;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  border-radius: 10px;
  overflow: hidden;
}

.article-body table th,
.article-body table td {
  border: 1px solid var(--border-glass);
  padding: 12px 14px;
  font-size: 14px;
}

.article-body table th {
  background: rgba(46, 107, 255, .12);
  color: #fff;
  font-weight: 600;
}

.article-body table td {
  color: var(--text-secondary);
  background: rgba(10, 16, 31, .5);
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--border-glass);
  margin: 32px 0;
}

.article-body code {
  background: rgba(53, 217, 255, .1);
  color: var(--accent-cyan);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}

/* Not found */
.article-not-found {
  text-align: center;
  padding: 80px 20px;
  border: 2px dashed var(--border-glass);
  border-radius: var(--radius-card);
  background: rgba(6, 10, 20, .4);
}

.nf-icon {
  font-size: 52px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.article-not-found p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Article bottom nav */
.article-footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
}

.article-footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, .03);
  transition: all .3s ease;
}

.article-footer-nav a:hover {
  color: var(--accent-cyan);
  border-color: rgba(53, 217, 255, .35);
  background: rgba(53, 217, 255, .06);
  transform: translateY(-2px);
}

/* ===== Related Section ===== */
.related-section {
  padding: 72px 0;
  background: rgba(6, 10, 20, .35);
  border-top: 1px solid rgba(148, 178, 220, .08);
  border-bottom: 1px solid rgba(148, 178, 220, .08);
}

.section-head {
  margin-bottom: 36px;
}

.section-head h2 {
  position: relative;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: .3px;
}

.section-head h2::after {
  content: '';
  display: block;
  width: 70px;
  height: 3px;
  margin-top: 12px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
}

.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 12px;
}

.related-card {
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all .35s ease;
  height: 100%;
  box-shadow: var(--shadow-card);
}

.related-card:hover {
  transform: translateY(-5px);
  border-color: rgba(148, 178, 220, .32);
  box-shadow: 0 16px 40px rgba(3, 8, 18, .5);
}

.related-thumb {
  position: relative;
  aspect-ratio: 16 / 8;
  overflow: hidden;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.related-card:hover .related-thumb img {
  transform: scale(1.05);
}

.related-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(6, 10, 20, .65) 100%);
}

.related-info {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.related-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  transition: color .25s ease;
  margin: 0;
}

.related-card:hover .related-info h3 {
  color: var(--accent-cyan);
}

.related-date {
  font-family: "Rajdhani", "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .4px;
  border-top: 1px solid rgba(148, 178, 220, .1);
  padding-top: 10px;
}

/* ===== CTA Section ===== */
.article-cta-section {
  position: relative;
  padding: 72px 0;
  background:
    radial-gradient(circle at 50% 100%, rgba(46, 107, 255, .18), transparent 55%),
    var(--bg-deep);
}

.cta-panel {
  position: relative;
  text-align: center;
  padding: 52px 40px;
  border-radius: var(--radius-card);
  background: var(--bg-elevated);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
}

.cta-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.cta-panel h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-panel p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 680px;
  margin: 0 auto 28px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-glass);
  padding-top: 64px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
}

.footer-logo .brand-text {
  font-size: 18px;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 380px;
  margin-bottom: 0;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color .25s ease, padding-left .25s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 5px;
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-contact li i {
  color: var(--accent-blue);
  font-size: 15px;
  width: 20px;
  text-align: center;
}

.footer-bottom {
  margin-top: 40px;
  padding: 18px 0;
  border-top: 1px solid rgba(148, 178, 220, .1);
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: .3px;
}

/* ===== Keyframes ===== */
@keyframes breathe {
  0% {
    box-shadow: 0 0 0 0 rgba(46, 107, 255, .55);
  }
  100% {
    box-shadow: 0 0 0 18px rgba(46, 107, 255, 0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-up {
  animation: fadeUp .7s ease both;
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
  .container {
    max-width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }

  .hot-tags {
    display: none;
  }

  .header-search {
    max-width: 220px;
  }
}

@media (max-width: 991.98px) {
  .header-bottom {
    display: none;
  }

  .navbar-toggler {
    display: flex;
  }

  .header-search-btn {
    display: none;
  }

  .scroll-brand {
    display: none !important;
  }

  .article-head {
    padding: 46px 0 38px;
  }

  .article-head h1 {
    font-size: 30px;
  }

  .breadcrumb-list .current {
    max-width: 260px;
  }
}

@media (max-width: 767.98px) {
  body {
    font-size: 15px;
  }

  .btn-main {
    padding: 11px 24px;
    font-size: 14px;
  }

  .btn-ghost {
    padding: 10px 22px;
    font-size: 14px;
  }

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

  .article-head {
    padding: 38px 0 34px;
  }

  .article-head h1 {
    font-size: 26px;
    margin-bottom: 16px;
  }

  .article-meta-list {
    gap: 12px;
    font-size: 12px;
  }

  .article-main-section {
    padding: 40px 0 32px;
  }

  .article-cover {
    aspect-ratio: 16 / 9;
    margin-bottom: 28px;
  }

  .article-body {
    font-size: 15px;
    line-height: 1.85;
  }

  .article-body h2 {
    font-size: 21px;
  }

  .article-body h3 {
    font-size: 18px;
  }

  .article-footer-nav {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .related-section {
    padding: 52px 0;
  }

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

  .article-cta-section {
    padding: 52px 0;
  }

  .cta-panel {
    padding: 36px 22px;
  }

  .cta-panel h2 {
    font-size: 22px;
  }

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

  .cta-actions .btn-main,
  .cta-actions .btn-ghost {
    width: 100%;
    justify-content: center;
  }

  .footer-bottom {
    font-size: 12px;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-top-inner {
    min-height: 52px;
  }

  .brand-icon {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .brand-text {
    font-size: 15px;
  }

  .btn-participate-sm {
    padding: 6px 14px;
    font-size: 12px;
  }

  .article-head h1 {
    font-size: 23px;
  }

  .article-meta-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .breadcrumb-list {
    font-size: 12px;
  }

  .breadcrumb-list .current {
    max-width: 160px;
  }

  .article-cover {
    aspect-ratio: 4 / 3;
  }

  .article-footer-nav a {
    width: 100%;
    justify-content: center;
  }

  .footer-title {
    font-size: 15px;
  }
}