/* roulang page: index */
:root {
            --bg-deep: #070D17;
            --bg-level2: #0B1522;
            --panel: rgba(255, 255, 255, 0.055);
            --panel-soft: rgba(255, 255, 255, 0.035);
            --primary: #1FA2FF;
            --accent: #3DE0C8;
            --reward: #FF9F29;
            --danger: #FF5C69;
            --text: #EAF2FC;
            --muted: #9FB3C9;
            --border: rgba(255, 255, 255, 0.14);
            --border-strong: rgba(255, 255, 255, 0.22);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 22px 48px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 28px 64px rgba(0, 0, 0, 0.36);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-space: 96px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            background: var(--bg-deep);
            color: var(--text);
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: "";
            position: fixed;
            top: -15%;
            right: -12%;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(31, 162, 255, 0.12) 0%, transparent 68%);
            z-index: 0;
            pointer-events: none;
        }

        body::after {
            content: "";
            position: fixed;
            left: -14%;
            bottom: -20%;
            width: 620px;
            height: 620px;
            background: radial-gradient(circle, rgba(61, 224, 200, 0.08) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        textarea {
            font-family: var(--font-stack);
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
            position: relative;
            z-index: 2;
        }

        .section {
            position: relative;
            padding: var(--section-space) 0;
            z-index: 2;
        }

        .section-alt {
            background: rgba(11, 21, 34, 0.52);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .section-head {
            max-width: 780px;
            margin-bottom: 44px;
        }

        .section-head.is-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.04em;
            background: rgba(61, 224, 200, 0.1);
            border: 1px solid rgba(61, 224, 200, 0.18);
            padding: 7px 16px;
            border-radius: 40px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .section-sub {
            color: var(--muted);
            font-size: 16px;
            margin-top: 12px;
            max-width: 680px;
        }

        .is-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 64px;
            }
            .section-title {
                font-size: 25px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border-radius: 46px;
            padding: 12px 24px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: transform 0.28s ease, box-shadow 0.28s ease, background 0.28s ease, border-color 0.28s ease;
            min-height: 46px;
        }

        .btn-activity {
            background: linear-gradient(115deg, #FFAD38, #FF9F29 40%, #F47C20);
            color: #100C08;
            box-shadow: 0 10px 26px rgba(255, 159, 41, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.4);
        }

        .btn-activity:hover,
        .btn-activity:focus {
            background: linear-gradient(115deg, #FFB94A, #FF9F29 42%, #FF8A1E);
            box-shadow: 0 14px 36px rgba(255, 159, 41, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary {
            background: linear-gradient(130deg, #1FA2FF 0%, #1688E0 100%);
            color: #fff;
            box-shadow: 0 10px 28px rgba(31, 162, 255, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.24);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(130deg, #35B0FF, #1FA2FF 60%, #1485DB);
            box-shadow: 0 14px 36px rgba(31, 162, 255, 0.38);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text);
            border: 1px solid rgba(255, 255, 255, 0.28);
            backdrop-filter: blur(10px);
        }

        .btn-ghost:hover,
        .btn-ghost:focus {
            border-color: rgba(61, 224, 200, 0.66);
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 14px;
            min-height: 40px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 300;
            background: rgba(7, 13, 23, 0.78);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
        }

        .site-header.is-scrolled {
            background: rgba(6, 11, 20, 0.92);
            border-bottom-color: rgba(255, 255, 255, 0.08);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.26);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 78px;
            gap: 16px;
        }

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

        .brand-mark {
            width: 46px;
            height: 46px;
            border-radius: 15px;
            background: linear-gradient(135deg, #1FA2FF 0%, #0A8CDB 55%, #56D7C6 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 10px 25px rgba(31, 162, 255, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.32);
        }

        .brand-name {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .brand-name strong {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.01em;
            color: #fff;
        }

        .brand-name span {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.1em;
            margin-top: 3px;
        }

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

        .nav-links .nav-item {
            color: #c9d7e8;
            font-size: 15px;
            font-weight: 500;
        }

        .nav-links .nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 15px;
            border-radius: 40px;
            transition: color 0.2s, background 0.2s, box-shadow 0.25s;
        }

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

        .nav-links .nav-link.is-active {
            color: #fff;
            background: linear-gradient(135deg, rgba(31, 162, 255, 0.2), rgba(61, 224, 200, 0.14));
            box-shadow: inset 0 0 0 1px rgba(31, 162, 255, 0.6), 0 0 18px rgba(31, 162, 255, 0.12);
        }

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

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-size: 20px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color .2s, background .2s;
        }

        .nav-toggle:hover {
            border-color: rgba(31, 162, 255, 0.66);
            background: rgba(31, 162, 255, 0.12);
        }

        .mobile-drawer-cta {
            display: none;
        }

        @media (max-width: 992px) {
            .nav-links {
                position: fixed;
                top: 86px;
                right: 16px;
                left: 16px;
                z-index: 290;
                flex-direction: column;
                align-items: stretch;
                background: rgba(8, 15, 26, 0.96);
                backdrop-filter: blur(22px);
                border-radius: 22px;
                border: 1px solid rgba(255, 255, 255, 0.12);
                box-shadow: 0 30px 70px rgba(0, 0, 0, 0.48);
                padding: 18px;
                gap: 8px;
                transform: translateY(-12px);
                opacity: 0;
                pointer-events: none;
                transition: opacity 0.25s, transform 0.25s;
            }

            .nav-links.is-open {
                opacity: 1;
                transform: translateY(0);
                pointer-events: auto;
            }

            .nav-links .nav-link {
                padding: 14px 16px;
                font-size: 17px;
                border-radius: 14px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .mobile-drawer-cta {
                display: block;
                margin-top: 10px;
            }

            .header-cta-btn span {
                display: none;
            }

            .header-cta-btn {
                width: 44px;
                height: 44px;
                padding: 0;
                font-size: 0;
                border-radius: 14px;
            }

            .header-cta-btn i {
                font-size: 18px;
                margin: 0;
            }
        }

        @media (max-width: 576px) {
            .brand-name strong {
                font-size: 17px;
            }
            .brand-mark {
                width: 40px;
                height: 40px;
                font-size: 19px;
                border-radius: 13px;
            }
            .header-inner {
                min-height: 70px;
            }
            .nav-links {
                top: 78px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 150px 0 80px;
            overflow: hidden;
            z-index: 1;
        }

        .hero .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.36;
            z-index: 0;
        }

        .hero .hero-bg-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background:
                radial-gradient(ellipse at 80% 25%, rgba(31, 162, 255, 0.22), transparent 50%),
                linear-gradient(to right, rgba(7, 13, 23, 0.98) 0%, rgba(7, 13, 23, 0.72) 40%, rgba(11, 21, 34, 0.62) 100%);
        }

        .hero .row {
            position: relative;
            z-index: 5;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(31, 162, 255, 0.12);
            border: 1px solid rgba(31, 162, 255, 0.34);
            color: #b9e2ff;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(42px, 6vw, 68px);
            line-height: 1.16;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 22px;
        }

        .hero-desc {
            font-size: 18px;
            line-height: 1.85;
            color: #c3d2e4;
            max-width: 620px;
            margin-bottom: 32px;
        }

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

        .hero-console {
            position: relative;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            background: rgba(12, 21, 34, 0.72);
            backdrop-filter: blur(14px);
            padding: 28px;
            box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            max-width: 460px;
            margin-left: auto;
        }

        .console-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 22px;
        }

        .console-label {
            font-size: 14px;
            color: var(--muted);
            font-weight: 600;
        }

        .console-dot {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #6ff0d8;
            font-size: 13px;
        }

        .console-dot::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(61, 224, 200, 0.8);
        }

        .console-list {
            display: grid;
            gap: 14px;
        }

        .console-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 14px 16px;
        }

        .console-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(31, 162, 255, 0.14);
            color: #5cb4ff;
            font-size: 17px;
        }

        .console-item div {
            display: flex;
            flex-direction: column;
        }

        .console-item strong {
            font-size: 15px;
            color: #fff;
            line-height: 1.3;
        }

        .console-item span {
            font-size: 13px;
            color: var(--muted);
            margin-top: 3px;
        }

        .console-note {
            font-size: 12px;
            color: var(--muted);
            border-top: 1px dashed rgba(255, 255, 255, 0.13);
            margin-top: 20px;
            padding-top: 15px;
        }

        .hero-scroll {
            position: absolute;
            bottom: 26px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 6;
            color: rgba(255, 255, 255, 0.66);
            font-size: 24px;
            animation: floatDown 2.2s infinite ease-in-out;
        }

        @keyframes floatDown {
            0%,
            100% {
                transform: translate(-50%, 0);
                opacity: 0.6;
            }
            50% {
                transform: translate(-50%, 10px);
                opacity: 1;
            }
        }

        @media (max-width: 992px) {
            .hero {
                padding-top: 130px;
            }
            .hero-console {
                margin: 40px auto 0;
                max-width: 540px;
            }
        }

        @media (max-width: 640px) {
            .hero h1 {
                font-size: 36px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-console {
                padding: 20px;
            }
        }

        /* ===== Info stats strip ===== */
        .info-strip {
            background: linear-gradient(to right, rgba(11, 21, 34, 0.96), rgba(7, 13, 23, 0.96));
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            padding: 30px 0;
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .info-cell {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .info-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(31, 162, 255, 0.12);
            border: 1px solid rgba(31, 162, 255, 0.22);
            color: #55B8FF;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .info-cell strong {
            display: block;
            font-size: 17px;
            color: #fff;
            line-height: 1.3;
        }

        .info-cell span {
            display: block;
            color: var(--muted);
            font-size: 14px;
            margin-top: 3px;
        }

        @media (max-width: 768px) {
            .info-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ===== Gameplay / Entrance Section ===== */
        .gameplay-section {
            background: linear-gradient(to bottom, var(--bg-deep), rgba(11, 21, 34, 0.3) 50%, var(--bg-deep));
        }

        .gameplay-media {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .gameplay-media img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }

        .gameplay-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 13, 23, 0.7), transparent 40%);
        }

        .gameplay-tag {
            position: absolute;
            left: 18px;
            bottom: 18px;
            z-index: 3;
            background: rgba(7, 13, 23, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 10px 16px;
            border-radius: 14px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            backdrop-filter: blur(8px);
        }

        .flow-list {
            display: grid;
            gap: 18px;
            margin-top: 28px;
        }

        .flow-step {
            display: flex;
            gap: 16px;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 18px;
            transition: background 0.2s, border-color 0.2s;
        }

        .flow-step:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(31, 162, 255, 0.38);
        }

        .step-num {
            font-weight: 900;
            font-size: 20px;
            line-height: 1;
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(31, 162, 255, 0.12);
            color: #77C9FF;
            border: 1px solid rgba(31, 162, 255, 0.2);
            flex-shrink: 0;
        }

        .flow-step h3 {
            font-size: 17px;
            color: #fff;
            margin-bottom: 4px;
        }

        .flow-step p {
            color: var(--muted);
            font-size: 14px;
            margin: 0;
        }

        .entry-panel {
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: linear-gradient(145deg, rgba(18, 32, 50, 0.9), rgba(9, 17, 28, 0.85));
            padding: 28px;
            box-shadow: var(--shadow);
            backdrop-filter: blur(10px);
        }

        .entry-panel-title {
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            padding-bottom: 16px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .entry-panel-title i {
            color: var(--accent);
        }

        .entry-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            padding: 15px 16px;
            margin-bottom: 12px;
        }

        .entry-row div {
            display: flex;
            flex-direction: column;
        }

        .entry-row strong {
            color: #fff;
            font-size: 15px;
        }

        .entry-row span {
            color: var(--muted);
            font-size: 13px;
        }

        .entry-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .entry-note {
            margin-top: 14px;
            font-size: 12px;
            color: var(--muted);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 10px;
            padding: 10px 14px;
            border-left: 3px solid var(--accent);
        }

        @media (max-width: 768px) {
            .flow-step p {
                font-size: 13px;
            }
            .entry-panel {
                padding: 20px;
            }
        }

        /* ===== Rewards Section ===== */
        .rewards-section {
            background: rgba(11, 21, 34, 0.45);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .reward-card {
            background: linear-gradient(150deg, rgba(20, 34, 53, 0.85), rgba(8, 15, 25, 0.9));
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            padding: 22px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .reward-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 110px;
            background: radial-gradient(ellipse at 80% 20%, rgba(31, 162, 255, 0.13), transparent 65%);
            pointer-events: none;
        }

        .reward-card:hover {
            transform: translateY(-4px);
            border-color: rgba(61, 224, 200, 0.45);
            box-shadow: 0 24px 56px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(61, 224, 200, 0.16);
        }

        .reward-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 16px;
        }

        .reward-icon {
            width: 54px;
            height: 54px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 23px;
            background: rgba(31, 162, 255, 0.13);
            color: #6BC3FF;
        }

        .hot-badge {
            font-size: 12px;
            color: #fdc58b;
            background: rgba(255, 159, 41, 0.14);
            border: 1px solid rgba(255, 159, 41, 0.22);
            padding: 4px 10px;
            border-radius: 30px;
        }

        .reward-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .reward-card p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
        }

        .reward-rule {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 9px 13px;
            font-size: 13px;
            color: #b7c8db;
            margin: 16px 0 14px;
        }

        .reward-rule strong {
            color: #fff;
            font-weight: 600;
        }

        .reward-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px dashed rgba(255, 255, 255, 0.13);
            padding-top: 14px;
        }

        .reward-foot span {
            color: var(--muted);
            font-size: 12px;
        }

        .reward-foot a {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
        }

        .reward-foot a:hover {
            text-decoration: none;
            color: #7ff5de;
        }

        .reward-disclaimer {
            text-align: right;
            color: var(--muted);
            font-size: 12px;
            margin-top: 24px;
        }

        @media (max-width: 1024px) {
            .reward-card {
                margin-bottom: 16px;
            }
        }

        /* ===== Progress Section ===== */
        .progress-section {
            position: relative;
            overflow: hidden;
            background:
                linear-gradient(to bottom, rgba(7, 13, 23, 0.86), rgba(8, 16, 27, 0.9)),
                url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
        }

        .progress-section::after {
            content: "";
            position: absolute;
            width: 380px;
            height: 380px;
            right: -100px;
            top: -100px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31, 162, 255, 0.16), transparent 70%);
            z-index: 0;
        }

        .progress-track-wrap {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 30px 30px 38px;
            backdrop-filter: blur(6px);
            margin-top: 30px;
        }

        .progress-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .progress-meta strong {
            font-size: 17px;
            color: #fff;
        }

        .progress-meta span {
            font-size: 13px;
            color: var(--muted);
        }

        .progress-rail {
            position: relative;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50px;
            height: 8px;
            margin-bottom: 30px;
        }

        .progress-rail-fill {
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 68%;
            border-radius: 50px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            box-shadow: 0 0 16px rgba(61, 224, 200, 0.34);
        }

        .milestone-track {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            text-align: center;
        }

        .milestone {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            color: var(--muted);
            position: relative;
        }

        .milestone-icon {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            font-size: 18px;
        }

        .milestone.is-done .milestone-icon {
            color: #0B1522;
            background: linear-gradient(135deg, #3DE0C8, #1FA2FF);
            border-color: transparent;
            box-shadow: 0 0 20px rgba(61, 224, 200, 0.3);
        }

        .milestone.is-current .milestone-icon {
            border-color: rgba(61, 224, 200, 0.7);
            color: var(--accent);
            box-shadow: 0 0 0 5px rgba(61, 224, 200, 0.1), 0 0 18px rgba(61, 224, 200, 0.22);
        }

        .milestone strong {
            color: #fff;
            font-size: 15px;
        }

        .milestone span {
            font-size: 12px;
            color: var(--muted);
        }

        .progress-tip {
            font-size: 12px;
            color: var(--muted);
            margin-top: 26px;
            text-align: right;
        }

        @media (max-width: 900px) {
            .milestone-track {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 28px;
            }
            .progress-track-wrap {
                padding: 22px;
            }
        }

        @media (max-width: 480px) {
            .milestone-track {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Middle CTA ===== */
        .cta-band {
            background: rgba(11, 21, 34, 0.62);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
        }

        .cta-inner {
            border-radius: 24px;
            background:
                radial-gradient(circle at 92% 20%, rgba(255, 159, 41, 0.22), transparent 42%),
                radial-gradient(circle at 8% 90%, rgba(31, 162, 255, 0.2), transparent 48%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 44px 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow);
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(8, 16, 27, 0.88), rgba(8, 16, 27, 0.62));
            z-index: 0;
        }

        .cta-copy {
            position: relative;
            z-index: 2;
            max-width: 580px;
        }

        .cta-copy h2 {
            color: #fff;
            font-size: 28px;
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cta-copy p {
            color: #c9d8e6;
            font-size: 15px;
            margin: 0;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            flex-shrink: 0;
        }

        @media (max-width: 900px) {
            .cta-inner {
                padding: 30px 24px;
            }
            .cta-copy h2 {
                font-size: 23px;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions .btn {
                flex: 1;
                min-width: 160px;
            }
        }

        /* ===== News ===== */
        .news-section {
            background: var(--bg-deep);
        }

        .news-card {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 18px;
            overflow: hidden;
            transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(31, 162, 255, 0.4);
            box-shadow: 0 24px 52px rgba(0, 0, 0, 0.34);
        }

        .news-thumb {
            position: relative;
            background: #0E1A2A;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .news-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .news-body .tag {
            align-self: flex-start;
            display: inline-block;
            background: rgba(31, 162, 255, 0.14);
            border: 1px solid rgba(31, 162, 255, 0.22);
            color: #8ED2FF;
            font-size: 12px;
            padding: 3px 9px;
            border-radius: 20px;
            line-height: 1.4;
        }

        .news-body h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.65;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 13px;
            margin-top: 8px;
        }

        .news-meta time {
            color: var(--muted);
            font-size: 12px;
        }

        .read-more {
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
        }

        .news-card-featured {
            background: linear-gradient(145deg, rgba(20, 37, 58, 0.9), rgba(9, 17, 29, 0.94));
            border-color: rgba(255, 255, 255, 0.14);
        }

        .news-card-featured .news-body h3 {
            font-size: 21px;
        }

        .news-card-featured .news-body p {
            font-size: 15px;
        }

        .empty-state {
            text-align: center;
            color: var(--muted);
            font-size: 16px;
            padding: 70px 20px;
            border: 1px dashed rgba(255, 255, 255, 0.16);
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.02);
        }

        .empty-state i {
            display: block;
            font-size: 34px;
            color: rgba(255, 255, 255, 0.25);
            margin-bottom: 12px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: rgba(11, 21, 34, 0.34);
        }

        .custom-accordion {
            max-width: 880px;
            margin: 0 auto;
        }

        .custom-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .custom-accordion .accordion-item.is-active {
            border-color: rgba(31, 162, 255, 0.42);
        }

        .custom-accordion .accordion-title {
            background: transparent;
            color: #e5eef8;
            border: none;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            padding: 20px 58px 18px 22px;
            display: block;
            position: relative;
            min-height: 0;
        }

        .custom-accordion .accordion-title:hover,
        .custom-accordion .accordion-title:focus {
            background: rgba(31, 162, 255, 0.07);
        }

        .custom-accordion .accordion-title::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 22px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 16px;
            transition: transform 0.3s ease;
        }

        .custom-accordion .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .custom-accordion .accordion-content {
            background: rgba(7, 13, 23, 0.6);
            border: none;
            color: #b8c9dc;
            line-height: 1.8;
            padding: 4px 24px 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 15px;
        }

        @media (max-width: 640px) {
            .custom-accordion .accordion-title {
                font-size: 15px;
                padding: 17px 56px 17px 16px;
            }
            .custom-accordion .accordion-content {
                padding: 2px 18px 20px;
                font-size: 14px;
            }
        }

        /* ===== Bottom CTA ===== */
        .bottom-cta {
            background: var(--bg-deep);
        }

        .bottom-cta-box {
            background: linear-gradient(to right, rgba(31, 162, 255, 0.12), rgba(61, 224, 200, 0.08));
            border: 1px solid rgba(31, 162, 255, 0.26);
            border-radius: 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            padding: 36px 42px;
        }

        .bottom-cta-box h2 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }

        .bottom-cta-box p {
            color: var(--muted);
            margin: 0;
            font-size: 15px;
        }

        .bottom-cta-box .btn {
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .bottom-cta-box {
                padding: 26px 20px;
            }
            .bottom-cta-box h2 {
                font-size: 20px;
            }
            .bottom-cta-box .btn {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            position: relative;
            z-index: 2;
            background: rgba(5, 10, 17, 0.96);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 0;
        }

        .footer-top {
            padding-bottom: 42px;
        }

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-brand p {
            color: var(--muted);
            font-size: 14px;
            max-width: 360px;
            line-height: 1.8;
        }

        .footer-col-head {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-list a {
            color: var(--muted);
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-list a:hover {
            color: #6BC3FF;
        }

        .footer-note {
            background: rgba(255, 255, 255, 0.05);
            border-left: 3px solid var(--primary);
            border-radius: 10px;
            padding: 12px 14px;
            color: #aebfd2;
            font-size: 13px;
            margin-top: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 20px;
            text-align: center;
            color: #7E91A8;
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .footer-col {
                margin-bottom: 32px;
            }
            .footer-brand p {
                max-width: none;
            }
        }

        /* ===== Utilities ===== */
        .text-muted {
            color: var(--muted);
        }

        .mb-40 {
            margin-bottom: 40px;
        }

        .grid-card-enter {
            animation: cardIn 0.5s ease both;
        }

        @keyframes cardIn {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #070D17;
            --bg-secondary: #0B1522;
            --bg-panel: rgba(255, 255, 255, 0.055);
            --brand-primary: #1FA2FF;
            --brand-accent: #3DE0C8;
            --brand-amber: #FF9F29;
            --danger-red: #FF5C69;
            --text-main: #E6EDF6;
            --text-soft: #A9B7CB;
            --text-quiet: #6F7D92;
            --border-line: rgba(255, 255, 255, 0.18);
            --border-soft: rgba(255, 255, 255, 0.09);
            --glass-bg: rgba(255, 255, 255, 0.055);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.28);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "sans-serif";
        }

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

        html,
        body {
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            outline: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        p {
            margin: .5rem 0;
        }

        ul,
        ol {
            padding-left: 1.25rem;
        }

        .container {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 13, 23, 0.75);
            -webkit-backdrop-filter: blur(15px);
            backdrop-filter: blur(15px);
            transition: background .3s, box-shadow .3s;
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(7, 13, 23, 0.92);
            border-bottom-color: rgba(61, 224, 200, 0.22);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            flex-wrap: nowrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 76px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, rgba(31, 162, 255, 0.2), rgba(61, 224, 200, 0.15));
            border: 1px solid rgba(61, 224, 200, 0.4);
            border-radius: 12px;
            font-size: 20px;
            color: var(--brand-accent);
            box-shadow: 0 0 18px rgba(61, 224, 200, 0.12);
        }

        .brand-name {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .brand-name strong {
            color: var(--text-main);
            font-size: 20px;
            letter-spacing: .5px;
            font-weight: 700;
        }

        .brand-name span {
            color: var(--text-soft);
            font-size: 12px;
            letter-spacing: 2px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: .4rem;
            margin-left: auto;
            margin-right: .2rem;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: .55rem .9rem;
            border-radius: 10px;
            text-decoration: none;
            color: var(--text-soft);
            font-size: 15px;
            font-weight: 500;
            transition: all .22s ease;
        }

        .nav-link i {
            color: var(--text-quiet);
            font-size: 15px;
        }

        .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.is-active {
            color: var(--brand-accent);
            background: rgba(61, 224, 200, 0.08);
            box-shadow: inset 0 -2px 0 var(--brand-accent), 0 0 20px rgba(61, 224, 200, 0.05);
        }

        .nav-link.is-active i {
            color: var(--brand-accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: .65rem 1.5rem;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all .25s ease;
            cursor: pointer;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: linear-gradient(90deg, rgba(31, 162, 255, 0.2), rgba(61, 224, 200, 0.15));
            border-color: rgba(61, 224, 200, 0.35);
            color: var(--text-main);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }

        .btn-primary:hover {
            background: linear-gradient(90deg, rgba(31, 162, 255, 0.28), rgba(61, 224, 200, 0.22));
            border-color: var(--brand-accent);
            box-shadow: 0 0 20px rgba(61, 224, 200, 0.12);
            transform: translateY(-1px);
            color: #fff;
        }

        .header-cta-btn {
            background: linear-gradient(135deg, rgba(31, 162, 255, 0.9), rgba(61, 224, 200, 0.75));
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 14px;
            box-shadow: 0 4px 18px rgba(31, 162, 255, 0.28);
        }

        .header-cta-btn:hover {
            box-shadow: 0 6px 28px rgba(61, 224, 200, 0.35);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #1FA2FF, #56f1df);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-soft);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            color: var(--text-main);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: background .3s;
            margin-left: .6rem;
        }

        .nav-toggle:hover {
            background: rgba(61, 224, 200, 0.1);
        }

        .mobile-drawer-cta {
            display: none;
        }

        .site-breadcrumb {
            padding: 1.2rem 0 .4rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: .7rem;
            flex-wrap: wrap;
            color: var(--text-quiet);
            font-size: 13px;
        }

        .breadcrumb-inner a {
            color: var(--text-soft);
            text-decoration: none;
            transition: color .2s;
        }

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

        .breadcrumb-inner .sep {
            color: rgba(255, 255, 255, 0.25);
        }

        .category-banner {
            position: relative;
            padding: 5rem 0 3.5rem;
            background: linear-gradient(180deg, rgba(7, 13, 23, 0.2), rgba(7, 13, 23, 0.6)), var(--bg-secondary);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }

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

        .category-banner-title {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: -0.5px;
        }

        .category-banner-title span.text-accent {
            background: linear-gradient(90deg, var(--brand-accent), var(--brand-primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .banner-intro {
            max-width: 760px;
            color: var(--text-soft);
            font-size: 1.06rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .banner-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: .4rem 1.1rem;
            font-size: 14px;
        }

        .banner-meta-item i {
            color: var(--brand-accent);
        }

        .section-block {
            padding: 5.5rem 0;
            position: relative;
        }

        .theme-decor {
            position: absolute;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            pointer-events: none;
            opacity: 0.5;
            filter: blur(120px);
        }

        .decor-a {
            background: rgba(31, 162, 255, 0.18);
            top: -120px;
            right: -200px;
        }

        .decor-b {
            background: rgba(61, 224, 200, 0.12);
            bottom: 10px;
            left: -160px;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 2.8rem;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
            color: var(--brand-accent);
            font-size: 13px;
            letter-spacing: 2px;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .section-head h2 {
            font-size: 2.2rem;
            line-height: 1.3;
            margin-bottom: .8rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .section-head p.lead {
            color: var(--text-soft);
            font-size: 1.02rem;
        }

        .text-accent {
            color: var(--brand-accent);
        }

        .reward-summary {
            background: linear-gradient(180deg, rgba(11, 21, 34, 0.6), rgba(11, 21, 34, 0.25));
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            position: relative;
        }

        .reward-img-wrap {
            height: 100%;
            min-height: 360px;
            border-radius: 20px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .reward-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(75deg, rgba(7, 13, 23, 0.7), rgba(7, 13, 23, 0.05));
        }

        .overlay-card-bottom {
            position: absolute;
            bottom: 1.2rem;
            left: 1.2rem;
            right: 1.2rem;
            background: rgba(7, 13, 23, 0.65);
            backdrop-filter: blur(10px);
            border-radius: 14px;
            padding: 1.2rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .overlay-card-bottom h4 {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: .3rem;
        }

        .overlay-card-bottom p {
            color: var(--text-soft);
            margin-bottom: 0;
            font-size: 14px;
        }

        .summary-card-list {
            margin-top: 1rem;
        }

        .summary-card-item {
            display: flex;
            gap: 1.1rem;
            align-items: flex-start;
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.055);
        }

        .summary-card-item:last-child {
            border-bottom: 0;
        }

        .summary-icon {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            border-radius: 14px;
            background: rgba(31, 162, 255, 0.1);
            border: 1px solid rgba(31, 162, 255, 0.22);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            color: var(--brand-primary);
        }

        .summary-card-item:nth-child(2) .summary-icon {
            background: rgba(61, 224, 200, 0.12);
            border-color: rgba(61, 224, 200, 0.22);
            color: var(--brand-accent);
        }

        .summary-card-item:nth-child(3) .summary-icon {
            background: rgba(255, 159, 41, 0.1);
            border-color: rgba(255, 159, 41, 0.2);
            color: var(--brand-amber);
        }

        .summary-info h3 {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: .2rem;
            font-weight: 600;
        }

        .summary-info p {
            color: var(--text-soft);
            font-size: 15px;
            margin: 0;
        }

        .ss-result-data {
            background: var(--bg-secondary);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 2.2rem 1.8rem;
            margin-top: 2.4rem;
        }

        .data-grid-three {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
            margin-top: 1.6rem;
        }

        .data-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 18px;
            padding: 1.5rem 1.3rem;
            text-align: center;
            transition: all .3s;
        }

        .data-box:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(61, 224, 200, 0.25);
        }

        .data-icon {
            font-size: 27px;
            color: var(--brand-accent);
            margin-bottom: .4rem;
        }

        .data-number {
            font-size: 2.1rem;
            font-weight: 700;
            letter-spacing: -1px;
            line-height: 1.2;
            background: linear-gradient(135deg, #fff, #B0E0FF);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .data-label {
            font-size: 14px;
            color: var(--text-soft);
            margin-top: .2rem;
        }

        .info-panel-card {
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.09);
            overflow: hidden;
        }

        .panel-header {
            background: rgba(31, 162, 255, 0.14);
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .panel-header h4 {
            margin-bottom: 0;
            font-size: 1.1rem;
            font-weight: 600;
        }

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

        .info-panel-list li {
            display: flex;
            align-items: flex-start;
            gap: 11px;
            padding: 1rem 1.4rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 15px;
            color: var(--text-soft);
        }

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

        .info-panel-list li i {
            color: var(--brand-accent);
            font-size: 14px;
            margin-top: 5px;
        }

        .info-panel-list li a {
            color: var(--text-main);
            text-decoration: none;
        }

        .info-panel-list li a:hover {
            color: var(--brand-accent);
        }

        .rule-list {
            list-style: none;
            padding-left: 1rem;
        }

        .rule-list li {
            position: relative;
            padding-left: 1.2rem;
            margin-bottom: .7rem;
            color: var(--text-soft);
            line-height: 1.8;
        }

        .rule-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.75rem;
            width: 6px;
            height: 6px;
            border-radius: 2px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
        }

        .right-rail {
            position: sticky;
            top: 110px;
        }

        .side-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 18px;
            padding: 1.6rem 1.3rem;
            margin-bottom: 1.3rem;
            backdrop-filter: blur(10px);
        }

        .side-card-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: .8rem;
            padding-bottom: .7rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .side-card-title i {
            color: var(--brand-accent);
        }

        .update-meta {
            display: flex;
            flex-direction: column;
            gap: .6rem;
            color: var(--text-soft);
            font-size: 14px;
        }

        .update-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-links-list {
            list-style: none;
            padding-left: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: .8rem;
        }

        .side-links-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-soft);
            text-decoration: none;
            font-size: 15px;
            transition: color .2s;
        }

        .side-links-list li a:hover {
            color: var(--brand-accent);
        }

        .side-links-list li a i {
            color: var(--text-quiet);
            font-size: 13px;
        }

        .badge-soft-accent {
            background: rgba(61, 224, 200, 0.1);
            color: var(--brand-accent);
            border: 1px solid rgba(61, 224, 200, 0.18);
            padding: .2rem .7rem;
            border-radius: 30px;
            font-size: 12px;
            display: inline-flex;
            align-items: center;
        }

        .task-flow {
            background: linear-gradient(180deg, rgba(11, 21, 34, 0.2), rgba(11, 21, 34, 0.65));
        }

        .flow-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .flow-step {
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 18px;
            padding: 1.3rem 1.1rem;
            position: relative;
            transition: all .3s;
        }

        .flow-step:hover {
            border-color: rgba(61, 224, 200, 0.35);
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.07);
        }

        .step-index {
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
            width: 36px;
            height: 36px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .flow-step h3 {
            font-size: 1.1rem;
            margin-bottom: .5rem;
            color: var(--text-main);
        }

        .flow-step p {
            color: var(--text-soft);
            font-size: 14px;
            margin-bottom: 0;
        }

        .faq-section {
            background: linear-gradient(180deg, rgba(7, 13, 23, 0.4), rgba(7, 13, 23, 0.8));
        }

        .faq-accordion {
            max-width: 920px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 16px;
            margin-bottom: .8rem;
            overflow: hidden;
            transition: border-color .25s;
        }

        .faq-item.is-open {
            border-color: rgba(61, 224, 200, 0.25);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: 0;
            padding: 1.1rem 1.3rem;
            text-align: left;
            font-weight: 500;
            font-size: 1rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 1rem;
        }

        .faq-question .faq-icon {
            color: var(--brand-accent);
            flex-shrink: 0;
            transition: transform .35s;
        }

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

        .faq-answer {
            max-height: 0;
            padding: 0 1.3rem;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
        }

        .faq-item.is-open .faq-answer {
            padding: 0 1.3rem 1.2rem;
        }

        .faq-answer-content {
            padding-top: .2rem;
            color: var(--text-soft);
            font-size: 15px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .faq-answer-content p {
            margin-top: .6rem;
        }

        .cta-banner-soft {
            background: linear-gradient(180deg, rgba(11, 21, 34, 0.7), rgba(11, 21, 34, 0.95));
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }

        .cta-inner-box {
            position: relative;
            z-index: 2;
        }

        .cta-title {
            font-size: 1.7rem;
            font-weight: 600;
            margin-bottom: .6rem;
        }

        .cta-des {
            max-width: 640px;
            color: var(--text-soft);
        }

        .display-columns {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 2rem;
            align-items: center;
        }

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

        .help-tags {
            font-size: 13px;
        }

        @media screen and (max-width: 1024px) {
            .nav-links {
                gap: .3rem;
            }
            .nav-link {
                padding: .55rem .6rem;
                font-size: 14px;
            }
        }

        @media screen and (max-width: 900px) {
            .nav-links {
                display: none;
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-cta-btn {
                display: inline-flex;
                padding: .6rem 1.2rem;
                font-size: 13px;
            }

            .mobile-drawer-cta {
                display: flex;
                margin-top: 1.2rem;
                width: 100%;
                justify-content: center;
            }

            .nav-links.is-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 76px;
                left: 0;
                width: 100%;
                background: rgba(7, 13, 23, 0.96);
                backdrop-filter: blur(20px);
                padding: 1.2rem 1.2rem;
                z-index: 999;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                gap: .6rem;
            }
        }

        @media screen and (max-width: 840px) {
            .display-columns {
                grid-template-columns: 1fr;
            }
            .category-banner-title {
                font-size: 2.2rem;
            }
            .section-block {
                padding: 4rem 0;
            }
            .data-grid-three {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 640px) {
            .container {
                padding-left: .9rem;
                padding-right: .9rem;
            }
            .brand-name strong {
                font-size: 17px;
            }
            .brand-name span {
                font-size: 10px;
                letter-spacing: 1px;
            }
            .category-banner {
                padding: 3.2rem 0 2.5rem;
            }
            .category-banner-title {
                font-size: 1.8rem;
            }
            .banner-meta {
                gap: .7rem;
                flex-direction: column;
            }
            .section-head h2 {
                font-size: 1.7rem;
            }
            .cta-title {
                font-size: 1.25rem;
            }
            .header-cta-btn {
                display: none;
            }
            .mobile-header-btn-wrap {
                display: flex;
                margin-top: 1rem;
            }
            .data-grid-three {
                grid-template-columns: 1fr;
            }
            .flow-row {
                grid-template-columns: 1fr;
            }
        }

        .site-footer {
            background: #050A12;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 3.5rem;
            margin-top: 0;
        }

        .footer-top {
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .footer-col {
            margin-bottom: 1.8rem;
        }

        .footer-brand .brand {
            margin-bottom: 1rem;
        }

        .footer-brand p {
            color: var(--text-soft);
            font-size: 14px;
            margin-bottom: 1rem;
            line-height: 1.8;
        }

        .footer-note {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.04);
            border-left: 3px solid var(--brand-accent);
            padding: .8rem 1rem;
            border-radius: 0 12px 12px 0;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .footer-note i {
            color: var(--brand-accent);
            margin-top: 3px;
        }

        .footer-col-head {
            color: var(--text-main);
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
            letter-spacing: .5px;
        }

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

        .footer-list li {
            margin-bottom: .55rem;
        }

        .footer-list li a {
            color: var(--text-soft);
            font-size: 14px;
            text-decoration: none;
            transition: all .25s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-list li a:hover {
            color: var(--brand-accent);
            padding-left: 3px;
        }

        .footer-bottom {
            padding: 1.3rem 0 1.5rem;
            color: var(--text-quiet);
            font-size: 13px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            background: #04080F;
        }

/* roulang page: category2 */
:root{
    --bg:#070D17;
    --bg-soft:#0B1522;
    --panel:rgba(255,255,255,0.055);
    --panel-strong:rgba(13,27,46,0.82);
    --stroke:rgba(255,255,255,0.18);
    --stroke-soft:rgba(255,255,255,0.10);
    --primary:#1FA2FF;
    --secondary:#3DE0C8;
    --accent:#FF9F29;
    --danger:#FF5C69;
    --text:#E8F1FC;
    --muted:#9DB0C6;
    --muted-2:#7088A3;
    --radius:18px;
    --radius-sm:12px;
    --shadow:0 18px 38px rgba(0,0,0,.28);
    --transition:.25s ease;
    --content-width:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;padding-top:78px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:#86C7FF;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--secondary)}
button,input,textarea,select{font-family:inherit}
ul,ol{padding:0;margin:0;list-style:none}
p{margin:0 0 16px}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.35;margin:0 0 16px;color:#F2F7FC}
h1{font-size:44px;letter-spacing:-.5px}
h2{font-size:32px}
h3{font-size:21px}
h4{font-size:18px}
.container{max-width:var(--content-width);margin:0 auto;padding:0 24px}
.container-wide{max-width:1360px}

.row{max-width:none}
.columns{padding-left:14px;padding-right:14px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.4px;color:var(--secondary);background:rgba(61,224,200,.1);border:1px solid rgba(61,224,200,.3);padding:6px 14px;border-radius:99px;margin-bottom:18px;font-weight:600}
.eyebrow i{font-size:12px}
.section{padding:90px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:42px}
.section-overline{font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--secondary);text-transform:uppercase}
.section-title{font-size:32px;margin-top:8px}
.section-head p{color:var(--muted);max-width:680px;font-size:16px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:999px;border:none;font-weight:700;font-size:15px;line-height:1.4;cursor:pointer;transition:all .25s ease;box-shadow:0 4px 18px rgba(0,0,0,.18);text-align:center}
.btn i{font-size:14px}
.btn-activity{background:linear-gradient(135deg,#FFB257,var(--accent));color:#121A24;box-shadow:0 8px 22px rgba(255,159,41,.28)}
.btn-activity:hover{color:#101722;transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,159,41,.42)}
.btn-primary{background:linear-gradient(135deg,var(--primary),#3A84FF);color:#fff;box-shadow:0 8px 22px rgba(31,162,255,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 30px rgba(31,162,255,.4)}
.btn-ghost{background:rgba(255,255,255,.07);color:#E7F2FF;border:1px solid rgba(255,255,255,.35);box-shadow:none}
.btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,.85);background:rgba(255,255,255,.15)}
.btn-sm{padding:8px 18px;font-size:14px}

.site-header{position:fixed;top:0;left:0;right:0;z-index:200;height:78px;background:rgba(7,13,23,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.09);transition:background .35s ease,border-color .35s ease}
.site-header.is-scrolled{background:rgba(7,13,23,.92);border-bottom-color:rgba(255,255,255,.18)}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0}
.brand-mark{width:42px;height:42px;flex:0 0 42px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(145deg,#1FA2FF,#3DE0C8);color:#07111E;font-size:20px;box-shadow:0 0 16px rgba(31,162,255,.48)}
.brand-name{display:flex;flex-direction:column;line-height:1.25;white-space:nowrap}
.brand-name strong{color:#fff;font-size:19px;letter-spacing:.4px}
.brand-name span{font-size:12px;color:#9DB0C6;letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:7px;color:#C2D5E8;font-weight:600;font-size:15px;padding:9px 14px;border-radius:12px;transition:background .25s ease,color .25s ease}
.nav-link i{font-size:13px;opacity:.85}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.is-active{color:#fff;background:rgba(31,162,255,.13)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-13px;height:3px;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--secondary));box-shadow:0 0 12px rgba(31,162,255,.76)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:18px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
.mobile-drawer-cta{display:none}

.category-hero{position:relative;padding:88px 0 76px;background-color:#08111F;background-image:linear-gradient(105deg,rgba(7,13,23,.94) 0%,rgba(9,22,37,.64) 48%,rgba(11,32,54,.28) 100%),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;background-repeat:no-repeat;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08)}
.category-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(61,224,200,.8),transparent)}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted);padding:14px 0 26px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:12px;color:#4A647D}
.breadcrumb .current{color:#DDE9F6}
.category-hero-title{font-size:42px;margin-bottom:12px}
.category-hero-sub{color:#B8C9DD;max-width:560px;font-size:17px;margin-bottom:38px}
.hero-mini-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero-metric-card{display:flex;flex-direction:column;gap:18px}
.inline-metric{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);border-radius:16px;backdrop-filter:blur(10px);padding:18px 20px;display:flex;gap:14px;align-items:flex-start}
.inline-metric .metric-icon{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:rgba(31,162,255,.15);color:#6BC7FF;display:inline-flex;align-items:center;justify-content:center;font-size:18px;border:1px solid rgba(31,162,255,.28)}
.inline-metric strong{display:block;font-size:13px;color:var(--muted);font-weight:400}
.inline-metric span{color:#fff;font-size:17px;font-weight:700;margin-top:6px;display:block;font-family:"PingFang SC",sans-serif}
.metric-row{border-top:1px solid rgba(255,255,255,.12);padding-top:12px;margin-top:12px}
.metric-row:first-child{border-top:none;padding-top:0;margin-top:0}

.main-content-section{padding:78px 0 70px;background:#08101B}
.split-gap{margin-bottom:32px}
.left-main-panel,.right-side-panel{display:block}
.page-card{background:var(--panel);border:1px solid var(--stroke-soft);border-radius:var(--radius);padding:28px;box-shadow:0 12px 28px rgba(0,0,0,.22);position:relative;overflow:hidden}
.page-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent)}
.page-card-title{display:flex;align-items:center;gap:12px;font-size:22px;margin-bottom:18px}
.page-card-title i{width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:rgba(61,224,200,.13);color:var(--secondary);font-size:16px;border:1px solid rgba(61,224,200,.24)}
.page-card .intro-copy{color:var(--muted);font-size:15px;margin-bottom:22px}
.reward-type-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.reward-type-item{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:18px;display:flex;gap:13px;align-items:flex-start;transition:border-color .25s ease,background .25s ease}
.reward-type-item:hover{border-color:rgba(61,224,200,.42);background:rgba(61,224,200,.06)}
.reward-type-icon{width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#FFC46B;font-size:15px}
.reward-type-item h4{font-size:15px;margin-bottom:5px}
.reward-type-item p{font-size:13px;color:var(--muted-2);margin:0;line-height:1.6}
.flow-list{margin-top:18px;display:grid;grid-template-columns:1fr;gap:12px}
.flow-step{background:rgba(255,255,255,.045);border-left:3px solid var(--primary);padding:14px 16px;border-radius:0 12px 12px 0;display:flex;align-items:flex-start;gap:14px;transition:background .25s ease}
.flow-step:hover{background:rgba(31,162,255,.08)}
.flow-step i{color:var(--primary);margin-top:4px;font-size:15px;width:18px;text-align:center}
.flow-step strong{display:block;color:#fff;font-weight:700;margin-bottom:4px}
.flow-step p{color:#9DB0C6;font-size:14px;margin:0}
.covered-visual-card{margin-top:26px;border:1px solid rgba(255,255,255,.1);border-radius:18px;overflow:hidden;background:#0B1522;display:flex;flex-direction:column}
.covered-visual-card img{width:100%;height:196px;object-fit:cover;border-bottom:1px solid rgba(255,255,255,.08)}
.visual-caption{padding:18px 20px}
.visual-caption strong{display:block;margin-bottom:5px;color:#fff}
.visual-caption span{font-size:13px;color:var(--muted-2)}

.sidebar-card{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.11);border-radius:18px;padding:0;overflow:hidden;margin-bottom:22px;box-shadow:0 12px 30px rgba(0,0,0,.22)}
.sidebar-head{display:flex;align-items:center;gap:10px;padding:18px 20px 14px;border-bottom:1px solid rgba(255,255,255,.08);color:#E5F1FF;font-size:16px;font-weight:700}
.sidebar-head i{color:var(--secondary);font-size:15px}
.sidebar-list{padding:6px 20px 12px;margin:0;list-style:none}
.sidebar-list li{position:relative;padding:9px 0 9px 22px;color:#B0C4DC;font-size:14px;line-height:1.65;border-bottom:1px dashed rgba(255,255,255,.06)}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:400;position:absolute;left:0;top:10px;font-size:13px;color:#3DE0C8;opacity:.8}
.related-link-list{padding:8px 20px 18px}
.related-link-list a{display:flex;align-items:center;gap:10px;padding:11px 0;color:#B8CDE2;font-size:14px;border-bottom:1px solid rgba(255,255,255,.06)}
.related-link-list a:last-child{border-bottom:none}
.related-link-list a i{width:28px;height:28px;border-radius:9px;background:rgba(31,162,255,.12);color:#6BC7FF;display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 28px}
.related-link-list a:hover{color:#fff;padding-left:6px}
.sidebar-note{padding:14px 20px 20px;color:var(--muted-2);font-size:13px;border-top:1px solid rgba(255,255,255,.08);margin-top:8px}
.updated-badge{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 20px 18px}
.updated-badge span{font-size:13px;color:var(--muted);font-weight:600}
.updated-badge strong{font-size:16px;color:#fff;font-weight:700}

.task-flow-section{padding:72px 0 80px;background:#0A1322;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);position:relative}
.task-flow-section .section-head{text-align:center}
.task-flow-section .section-head p{margin-left:auto;margin-right:auto}
.entry-point-card{position:relative;background:linear-gradient(125deg,rgba(20,40,68,.6),rgba(9,20,35,.92)),url('/assets/images/coverpic/cover-3.webp');background-size:cover;background-position:center;border:1px solid rgba(255,255,255,.13);border-radius:22px;min-height:190px;overflow:hidden;padding:38px 26px;display:flex;align-items:center;justify-content:between;box-shadow:var(--shadow)}
.entry-point-card::after{content:"";position:absolute;right:-90px;top:-90px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(31,162,255,.26),transparent 65%)}
.entry-point-card .entry-cta-copy{position:relative;z-index:2;max-width:52%}
.entry-point-card h3{font-size:25px;margin-bottom:8px}
.entry-point-card p{color:var(--muted);font-size:15px;margin:0}
.entry-point-card .entry-button{position:relative;z-index:2;max-width:46%;text-align:right}
.hero-mini-actions a.btn-ghost{background:rgba(255,255,255,.06)}
.hero-mini-actions a.btn-ghost:hover{background:rgba(255,255,255,.15)}
.notice-card{display:flex;gap:20px;align-items:flex-start;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:24px 26px;margin-top:72px}
.notice-card i{width:46px;height:46px;flex:0 0 46px;border-radius:14px;background:rgba(255,222,140,.13);border:1px solid rgba(255,180,70,.26);color:#FFCB82;display:inline-flex;align-items:center;justify-content:center;font-size:19px}
.notice-card strong{display:block;color:#fff;font-size:17px;margin-bottom:8px}
.notice-card p{color:var(--muted);font-size:14px;margin:0 0 6px}
.notice-card ul{color:var(--muted);font-size:14px}

.faq-section{padding:80px 0 88px;background:#070D17}
.faq-container{max-width:960px;margin:0 auto}
.faq-top-actions{text-align:center;margin-top:26px}
.faq-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:18px;margin-bottom:14px;overflow:hidden}
.faq-item summary{display:flex;align-items:center;gap:14px;padding:18px 22px;cursor:pointer;font-weight:600;color:#EAF2FF;list-style:none;transition:background .25s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(61,224,200,.06)}
.faq-item summary i{color:var(--secondary);font-size:15px;flex:0 0 18px}
.faq-item .faq-icon{color:var(--primary);margin-left:auto;font-size:14px;transition:transform .3s ease}
.faq-item[open] summary{border-bottom:1px solid rgba(255,255,255,.07)}
.faq-item[open] summary .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:16px 22px 22px;border-top:none;color:#ADBED3;font-size:15px;line-height:1.85}
.faq-answer p{margin:0 0 6px}
.faq-answer p:last-child{margin-bottom:0}
.large-bottom-cta{background:#081220;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);overflow:hidden;padding:66px 0}
.cta-inner{position:relative;padding:46px 40px;border-radius:24px;background:linear-gradient(120deg,rgba(18,34,56,.88) 20%,rgba(10,22,38,.72)),url('/assets/images/coverpic/cover-6.png');background-size:cover;background-position:center;border:1px solid rgba(255,255,255,.15);text-align:center;box-shadow:var(--shadow);overflow:hidden}
.cta-inner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 10% 0%,rgba(31,162,255,.15),transparent 45%),radial-gradient(circle at 90% 100%,rgba(61,224,200,.12),transparent 40%)}
.cta-inner h2{position:relative;z-index:2;font-size:30px;margin-bottom:12px}
.cta-inner p{position:relative;z-index:2;color:var(--muted);max-width:640px;margin:0 auto 30px;font-size:16px}
.cta-inner .cta-actions{position:relative;z-index:2;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

.site-footer{background:#050A12;border-top:1px solid rgba(255,255,255,.07);padding:60px 0 0}
.footer-top{padding-bottom:40px}
.footer-col{margin-bottom:16px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:#6E86A0;font-size:14px;line-height:1.8;margin:0 0 16px;max-width:420px}
.footer-note{display:flex;gap:10px;align-items:flex-start;color:#5F7892;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px 14px;font-size:13px;margin-top:16px;line-height:1.6}
.footer-note i{color:#3DE0C8;font-size:14px;margin-top:3px}
.footer-col-head{color:#EAF2FF;margin-bottom:18px;font-size:16px;font-weight:700;position:relative;padding-bottom:10px}
.footer-col-head::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:99px}
.footer-list li{margin-bottom:11px}
.footer-list li a{color:#85A0BC;font-size:14px;display:inline-flex;align-items:center;gap:8px}
.footer-list li a::before{content:"\e0a1";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:#3B657F}
.footer-list li a:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 0;color:#51677F;font-size:13px;text-align:center}

@media screen and (max-width:1023px){
    body{padding-top:70px}
    .site-header{height:70px}
    .header-inner{height:70px}
    .nav-links{position:fixed;left:14px;right:14px;top:82px;padding:16px;background:rgba(9,18,31,.97);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.14);border-radius:20px;display:flex;flex-direction:column;align-items:stretch;gap:4px;opacity:0;pointer-events:none;transform:translateY(-10px);transition:.26s ease;box-shadow:0 24px 60px rgba(0,0,0,.38)}
    .nav-links.mobile-open{opacity:1;pointer-events:auto;transform:none}
    .nav-link{justify-content:flex-start;padding:13px 16px;font-size:16px;border-radius:14px}
    .nav-link.is-active::after{display:none}
    .nav-link.is-active{background:rgba(31,162,255,.18)}
    .mobile-drawer-cta{display:flex;margin:14px 4px 4px;width:auto}
    .nav-toggle{display:inline-flex}
    .header-cta-btn{display:none}
    .category-hero{padding:56px 0}
    .category-hero-title{font-size:34px}
    h2{font-size:26px}
    .section{padding:60px 0}
    .entry-point-card{flex-direction:column;gap:22px;text-align:center}
    .entry-point-card .entry-cta-copy,.entry-point-card .entry-button{max-width:100%;text-align:center}
    .entry-point-card .entry-button{justify-content:center}
    .footer-col-head{margin-top:18px}
}
@media screen and (max-width:767px){
    body{font-size:15px}
    .container{padding:0 20px}
    .category-hero-title{font-size:30px}
    .category-hero{padding:40px 0 48px}
    .hero-mini-actions .btn,.hero-mini-actions a{width:100%;margin-bottom:2px}
    h4{font-size:17px}
    .page-card{padding:18px}
    .reward-type-grid{grid-template-columns:1fr}
    .notice-card{flex-direction:column;gap:12px;padding:18px}
    .notice-card i{flex:0 0 34px;width:34px;height:34px}
    .cta-inner{padding:30px 20px}
    .cta-inner h2{font-size:24px}
    .faq-item summary{padding:15px 16px;font-size:15px}
    .section-head p{font-size:15px}
    .inline-metric{flex-wrap:wrap}
}
@media screen and (max-width:520px){
    .brand-mark{width:36px;height:36px;flex-basis:36px;font-size:17px}
    .brand-name strong{font-size:16px}
    .brand-name span{font-size:11px}
    .category-hero-title{font-size:26px;line-height:1.3}
    .category-hero-sub{font-size:15px}
    .page-card-title{font-size:19px}
    .btn{width:100%;justify-content:center}
    .footer-brand .brand{white-space:normal}
}

/* roulang page: article */
:root {
            --bg: #070D17;
            --bg-2: #0B1522;
            --panel: rgba(255, 255, 255, .055);
            --panel-2: rgba(255, 255, 255, .085);
            --border: rgba(255, 255, 255, .14);
            --border-strong: rgba(255, 255, 255, .28);
            --primary: #1FA2FF;
            --accent: #3DE0C8;
            --activity: #FF9F29;
            --danger: #FF5C69;
            --text: #EAF3FF;
            --weak: #9DB2C7;
            --muted: #6D8398;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 22px 55px rgba(0, 0, 0, .32);
            --transition: .25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html,
        body {
            margin: 0;
            padding: 0;
            font-size: 16px;
            line-height: 1.7;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

        body {
            background:
                radial-gradient(circle at 12% 4%, rgba(31, 162, 255, .12), transparent 320px),
                radial-gradient(circle at 88% 8%, rgba(61, 224, 200, .07), transparent 260px),
                radial-gradient(circle at 50% 100%, rgba(255, 159, 41, .04), transparent 360px),
                var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        ul,
        ol,
        p,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            max-width: none;
            margin-left: -12px;
            margin-right: -12px;
        }

        .columns {
            padding-left: 12px;
            padding-right: 12px;
        }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border-radius: 48px;
            border: 1px solid transparent;
            padding: 12px 23px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            min-height: 46px;
            transition: all var(--transition);
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .btn i {
            font-size: 15px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #1678E2);
            color: #fff;
            box-shadow: 0 0 0 1px rgba(255, 255, 255, .08) inset, 0 6px 22px rgba(31, 162, 255, .35);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #38B2FF, #2A8EFF);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px rgba(255, 255, 255, .18) inset, 0 12px 32px rgba(31, 162, 255, .46);
        }

        .btn-activity {
            background: linear-gradient(135deg, var(--activity), #F27D12);
            color: #101526;
            box-shadow: 0 0 0 1px rgba(255, 255, 255, .12) inset, 0 6px 22px rgba(255, 159, 41, .32);
        }

        .btn-activity:hover {
            background: linear-gradient(135deg, #FFB454, #FF8F2B);
            color: #101526;
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px rgba(255, 255, 255, .18) inset, 0 12px 32px rgba(255, 159, 41, .48);
        }

        .btn-outline {
            background: rgba(255, 255, 255, .04);
            border-color: var(--border-strong);
            color: var(--text);
            box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .10);
            color: #fff;
            box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-sm {
            min-height: 40px;
            padding: 9px 18px;
            font-size: 14px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 23, .72);
            -webkit-backdrop-filter: blur(18px);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .site-header.has-scrolled {
            background: rgba(7, 13, 23, .88);
            border-bottom-color: rgba(255, 255, 255, .10);
            box-shadow: 0 12px 28px rgba(0, 0, 0, .30);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 22px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 11px;
            flex-shrink: 0;
            color: #fff;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(31, 162, 255, .28), rgba(61, 224, 200, .18));
            border: 1px solid rgba(255, 255, 255, .22);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 19px;
            box-shadow: 0 0 22px rgba(31, 162, 255, .25);
        }

        .brand-name {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .brand-name strong {
            font-size: 19px;
            font-weight: 800;
            letter-spacing: .04em;
        }

        .brand-name span {
            color: var(--weak);
            font-size: 13px;
            margin-top: 3px;
            letter-spacing: .16em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 15px;
            border-radius: 999px;
            color: var(--weak);
            font-weight: 500;
            font-size: 15px;
            border: 1px solid transparent;
            line-height: 1.2;
            white-space: nowrap;
        }

        .nav-link i {
            font-size: 14px;
            opacity: .85;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, .07);
            color: #fff;
            border-color: rgba(255, 255, 255, .15);
        }

        .nav-link.is-active {
            background: linear-gradient(135deg, rgba(31, 162, 255, .20), rgba(61, 224, 200, .08));
            color: #fff;
            border-color: rgba(31, 162, 255, .46);
            box-shadow: 0 0 0 1px rgba(31, 162, 255, .18), 0 6px 16px rgba(31, 162, 255, .18);
        }

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

        .mobile-drawer-cta {
            display: none;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid var(--border);
            color: #fff;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .13);
            color: var(--accent);
        }

        .article-hero {
            position: relative;
            padding: 72px 0 46px;
            background:
                radial-gradient(circle at 78% 18%, rgba(61, 224, 200, .13), transparent 260px),
                linear-gradient(180deg, rgba(7, 13, 23, .05) 0%, rgba(7, 13, 23, .82) 100%),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .article-hero:after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            top: 0;
            background: linear-gradient(180deg, rgba(7, 13, 23, .68) 0%, rgba(7, 13, 23, .35) 58%, rgba(7, 13, 23, .90) 100%);
            pointer-events: none;
        }

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

        .breadcrumb-list {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 7px;
            color: var(--weak);
            font-size: 13.5px;
            margin-bottom: 26px;
        }

        .breadcrumb-list a {
            color: var(--weak);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

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

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

        .breadcrumb-list .crumb-now {
            color: rgba(255, 255, 255, .78);
            max-width: 240px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-topic-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(31, 162, 255, .16);
            border: 1px solid rgba(31, 162, 255, .38);
            color: #BFE6FF;
            font-size: 13px;
            padding: 6px 15px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .article-topic-chip.arrow-tone {
            background: rgba(255, 159, 41, .15);
            border-color: rgba(255, 159, 41, .45);
            color: #FFDDB1;
        }

        .article-title {
            font-size: clamp(30px, 4.4vw, 52px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: .01em;
            color: #F8FAFF;
            margin-bottom: 18px;
            max-width: 820px;
            text-wrap: balance;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 26px;
            color: var(--weak);
            font-size: 14px;
        }

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

        .article-meta-row i {
            color: var(--accent);
            opacity: .8;
        }

        .article-summary {
            background: rgba(255, 255, 255, .06);
            border-left: 3px solid var(--primary);
            border-radius: 0 14px 14px 0;
            padding: 16px 20px 16px 18px;
            color: #C7DAE6;
            font-size: 16px;
            line-height: 1.8;
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, .10);
            border: 1px solid rgba(255, 255, 255, .06);
            border-left-color: var(--primary);
        }

        .article-summary strong {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #fff;
            font-size: 15px;
            margin-right: 10px;
        }

        /* Article body */
        .article-reader-section {
            padding: 54px 0 82px;
            position: relative;
        }

        .article-content {
            color: #E7EEF6;
            font-size: 16.5px;
            line-height: 1.9;
            width: 100%;
            max-width: 780px;
            margin: 0 auto;
        }

        .article-content:before {
            content: "";
            display: block;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(31, 162, 255, .35), rgba(61, 224, 200, .18), transparent);
            margin-bottom: 38px;
        }

        .article-content p,
        .article-content div,
        .article-content section {
            line-height: 1.9;
        }

        .article-content p {
            margin-bottom: 22px;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4,
        .article-content h5 {
            color: #fff;
            font-weight: 700;
            margin-top: 42px;
            margin-bottom: 18px;
            line-height: 1.45;
        }

        .article-content h2 {
            font-size: 28px;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            background: linear-gradient(90deg, rgba(31, 162, 255, .13), transparent 70%);
        }

        .article-content h3 {
            font-size: 23px;
        }

        .article-content h4 {
            font-size: 19px;
        }

        .article-content a {
            color: var(--accent);
            border-bottom: 1px solid rgba(61, 224, 200, .4);
        }

        .article-content a:hover {
            border-bottom-color: var(--accent);
            color: #7FFCE5;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 24px;
            padding: 0;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 10px;
            padding-left: 6px;
        }

        .article-content ul li::marker {
            color: var(--primary);
        }

        .article-content ol li::marker {
            color: var(--accent);
            font-weight: 700;
        }

        .article-content blockquote {
            margin: 30px 0;
            padding: 18px 22px;
            border-left: 4px solid var(--activity);
            background: rgba(255, 159, 41, .08);
            border-radius: 0 16px 16px 0;
            color: #E6D3C7;
            font-size: 16.5px;
        }

        .article-content img {
            border-radius: 16px;
            margin: 28px 0 10px;
            border: 1px solid rgba(255, 255, 255, .08);
            box-shadow: 0 16px 40px rgba(0, 0, 0, .22);
        }

        .article-content figure {
            margin: 28px 0;
        }

        .article-content figcaption {
            color: var(--muted);
            font-size: 13px;
            text-align: center;
            padding-top: 12px;
        }

        .article-content hr {
            border: 0;
            border-top: 1px solid rgba(255, 255, 255, .14);
            margin: 40px 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 12px;
            overflow: hidden;
            margin: 28px 0;
        }

        .article-content th,
        .article-content td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            border-right: 1px solid rgba(255, 255, 255, .1);
            text-align: left;
        }

        .article-content th {
            background: rgba(31, 162, 255, .12);
            color: #fff;
        }

        .article-content tr:last-child td {
            border-bottom: 0;
        }

        .article-content td:last-child,
        .article-content th:last-child {
            border-right: 0;
        }

        .article-empty {
            max-width: 640px;
            margin: 20px auto;
            text-align: center;
            padding: 70px 30px;
            border: 1px dashed rgba(255, 255, 255, .18);
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .035);
            color: var(--weak);
        }

        .article-empty i {
            font-size: 44px;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .article-empty p {
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .article-empty .btn {
            margin-top: 16px;
        }

        /* Related */
        .related-section {
            padding: 78px 0 92px;
            background:
                linear-gradient(180deg, rgba(11, 21, 34, .9), rgba(7, 13, 23, .4)),
                url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            border-top: 1px solid rgba(255, 255, 255, .05);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 38px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .1em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-head-row h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
        }

        .text-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--weak);
            font-size: 14px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .04);
            padding: 10px 18px;
            border-radius: 999px;
        }

        .text-more:hover {
            color: #fff;
            border-color: var(--accent);
            background: rgba(61, 224, 200, .1);
            transform: translateY(-1px);
        }

        .related-card {
            height: 100%;
            background: rgba(255, 255, 255, .055);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            box-shadow: 0 12px 28px rgba(0, 0, 0, .16);
        }

        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(61, 224, 200, .55);
            box-shadow: 0 22px 44px rgba(0, 0, 0, .28);
        }

        .related-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            background: #101926;
        }

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

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

        .related-img-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(7, 13, 23, .82);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 5px 13px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .18);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: .02em;
        }

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

        .related-date-row {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 13px;
            margin-bottom: 12px;
        }

        .related-date-row i {
            color: var(--accent);
        }

        .related-body h3 {
            font-size: 19px;
            line-height: 1.6;
            font-weight: 700;
            color: #F4F8FF;
            margin-bottom: 12px;
        }

        .related-body p {
            color: var(--weak);
            font-size: 15px;
            margin-bottom: 22px;
            line-height: 1.75;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .btn-sm {
            align-self: flex-start;
        }

        /* Footer */
        .site-footer {
            background: #060B12;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-top {
            padding: 60px 24px 32px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            color: var(--muted);
            font-size: 13px;
            text-align: center;
        }

        .site-footer .footer-brand .brand {
            margin-bottom: 18px;
        }

        .site-footer p {
            color: var(--weak);
            font-size: 14.5px;
            line-height: 1.8;
        }

        .footer-brand p {
            max-width: 440px;
        }

        .footer-note {
            margin-top: 20px;
            border: 1px solid rgba(255, 255, 255, .10);
            background: rgba(255, 255, 255, .035);
            border-radius: 12px;
            padding: 14px 16px;
            color: var(--muted);
            font-size: 13.5px;
            line-height: 1.7;
            display: flex;
            gap: 10px;
        }

        .footer-note i {
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .footer-col-head {
            font-size: 17px;
            font-weight: 600;
            color: #F0F6FF;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }

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

        .footer-list li+li {
            margin-top: 12px;
        }

        .footer-list a {
            color: var(--weak);
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 9px;
        }

        .footer-list a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

        .footer-list a:before {
            content: "›";
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            line-height: 1;
        }

        .footer-col {
            margin-bottom: 24px;
        }

        @media screen and (max-width: 1100px) {
            .header-inner {
                gap: 14px;
            }

            .nav-link {
                padding: 9px 12px;
                font-size: 14px;
                gap: 6px;
            }
        }

        @media screen and (max-width: 920px) {
            .brand-name span {
                letter-spacing: .08em;
            }

            .site-header {
                box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
            }

            .nav-links {
                position: fixed;
                left: 14px;
                right: 14px;
                top: 68px;
                z-index: 99;
                flex-direction: column;
                align-items: stretch;
                gap: 7px;
                background: rgba(7, 15, 25, .96);
                border: 1px solid rgba(255, 255, 255, .16);
                border-radius: 18px;
                padding: 18px;
                margin: 0;
                -webkit-backdrop-filter: blur(22px);
                backdrop-filter: blur(22px);
                box-shadow: 0 26px 70px rgba(0, 0, 0, .5);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
            }

            .nav-links.is-open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-links .nav-link {
                border-radius: 12px;
                padding: 13px 15px;
                font-size: 15px;
                border: 1px solid transparent;
                background: rgba(255, 255, 255, .025);
            }

            .nav-links .nav-link:hover {
                background: rgba(255, 255, 255, .08);
                border-color: rgba(255, 255, 255, .12);
            }

            .mobile-drawer-cta {
                display: inline-flex;
                margin-top: 10px;
                width: 100%;
                background: linear-gradient(135deg, var(--activity), #F27D12);
                color: #101526;
                box-shadow: 0 6px 22px rgba(255, 159, 41, .3);
            }

            .mobile-drawer-cta:hover {
                color: #101526;
                background: linear-gradient(135deg, #FFB454, #FF8F2B);
            }

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

            .nav-toggle {
                display: flex;
            }
        }

        @media screen and (max-width: 720px) {
            .article-hero {
                padding: 44px 0 34px;
            }

            .article-title {
                font-size: 32px;
            }

            .article-summary {
                gap: 10px;
                padding: 13px 15px;
                font-size: 14.5px;
            }

            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .container-narrow {
                padding-left: 18px;
                padding-right: 18px;
            }

            .article-reader-section {
                padding: 42px 0 64px;
            }

            .related-section {
                padding: 58px 0 68px;
            }

            .section-head-row {
                align-items: flex-start;
                flex-direction: column;
                margin-bottom: 28px;
            }

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

            .text-more {
                padding: 8px 16px;
            }

            .related-card {
                margin-bottom: 6px;
            }

            .footer-top {
                padding-top: 42px;
            }
        }

        @media screen and (max-width: 520px) {
            .brand-name strong {
                font-size: 17px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .breadcrumb-list {
                font-size: 12.5px;
            }

            .article-title {
                font-size: 27px;
            }

            .article-content {
                font-size: 16px;
            }

            .article-content h2 {
                font-size: 23px;
                padding-left: 12px;
                margin-top: 34px;
            }

            .article-content h3 {
                font-size: 20px;
            }

            .article-content blockquote {
                font-size: 15px;
                padding: 15px 16px;
            }

            .btn {
                width: 100%;
            }

            .related-date-row {
                font-size: 12px;
            }

            .related-body h3 {
                font-size: 17px;
            }
        }