/* roulang page: index */
:root {
            --color-brand: #ff3b30;
            --color-brand-hover: #e0352b;
            --color-brand-glow: rgba(255, 59, 48, 0.3);
            --color-gold: #e8b830;
            --color-gold-light: #f0c040;
            --color-bg-deep: #0d1117;
            --color-bg-card: #161b22;
            --color-bg-card-alt: #1c2230;
            --color-bg-surface: #1a1f2b;
            --color-text: #e6edf3;
            --color-text-strong: #ffffff;
            --color-text-weak: #8b949e;
            --color-text-muted: #5c6670;
            --color-border: #30363d;
            --color-border-light: #3a4049;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.3);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg-deep);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-brand);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ─── 容器 ─── */
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .container--narrow {
            max-width: 900px;
        }
        .container--wide {
            max-width: 1320px;
        }

        /* ─── 导航栏 ─── */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(48, 54, 61, 0.5);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            background: rgba(13, 17, 23, 0.94);
            box-shadow: var(--shadow-nav);
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text-strong);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .site-logo__icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #ff3b30, #ff6b5e);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 3px 12px rgba(255, 59, 48, 0.35);
        }
        .site-logo__text {
            background: linear-gradient(135deg, #ffffff, #e0e0e0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .site-nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .site-nav__link:hover {
            color: var(--color-text-strong);
            background: rgba(255, 255, 255, 0.04);
        }
        .site-nav__link.active {
            color: var(--color-text-strong);
            background: rgba(255, 59, 48, 0.1);
            font-weight: 600;
        }
        .site-nav__cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff !important;
            background: var(--color-brand);
            transition: all var(--transition-normal);
            white-space: nowrap;
            box-shadow: 0 3px 14px rgba(255, 59, 48, 0.3);
        }
        .site-nav__cta:hover {
            background: var(--color-brand-hover);
            box-shadow: 0 6px 22px rgba(255, 59, 48, 0.4);
            transform: translateY(-1px);
            color: #ffffff !important;
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ─── 首屏 Hero ─── */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding-top: 64px;
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg,
                    rgba(13, 17, 23, 0.65) 0%,
                    rgba(13, 17, 23, 0.78) 40%,
                    rgba(13, 17, 23, 0.9) 75%,
                    rgba(13, 17, 23, 0.96) 100%);
        }
        .hero__content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 50px;
            background: rgba(255, 59, 48, 0.15);
            border: 1px solid rgba(255, 59, 48, 0.3);
            color: #ff6b5e;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            animation: pulse-badge 2.4s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.35);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(255, 59, 48, 0);
            }
        }
        .hero__badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff3b30;
            animation: blink-dot 1.2s ease-in-out infinite;
        }
        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 6px #ff3b30;
            }
            50% {
                opacity: 0.35;
                box-shadow: 0 0 2px #ff3b30;
            }
        }
        .hero__title {
            font-size: clamp(2.4rem, 5.5vw, 3.8rem);
            font-weight: 900;
            color: #ffffff;
            line-height: 1.2;
            margin: 0 0 16px;
            letter-spacing: -0.03em;
        }
        .hero__title-highlight {
            background: linear-gradient(135deg, #ff3b30, #ff6b5e, #ff3b30);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero__subtitle {
            font-size: clamp(1.05rem, 2vw, 1.25rem);
            color: var(--color-text-weak);
            margin: 0 0 36px;
            line-height: 1.6;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            align-items: center;
        }
        .hero__btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 12px;
            font-size: 1.05rem;
            font-weight: 700;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .hero__btn--primary {
            background: var(--color-brand);
            color: #ffffff;
            box-shadow: 0 6px 24px rgba(255, 59, 48, 0.35);
        }
        .hero__btn--primary:hover {
            background: var(--color-brand-hover);
            box-shadow: 0 8px 30px rgba(255, 59, 48, 0.45);
            transform: translateY(-2px);
            color: #ffffff;
        }
        .hero__btn--outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .hero__btn--outline:hover {
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.05);
            color: #ffffff;
        }
        .hero__stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero__stat {
            text-align: center;
            min-width: 90px;
        }
        .hero__stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }
        .hero__stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }

        /* ─── 实时比分条 ─── */
        .live-ticker {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
            overflow: hidden;
            position: relative;
            z-index: 5;
        }
        .live-ticker__inner {
            display: flex;
            align-items: center;
            gap: 0;
            animation: ticker-scroll 28s linear infinite;
            white-space: nowrap;
            width: max-content;
        }
        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        .live-ticker__item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 20px;
            border-right: 1px solid var(--color-border);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .live-ticker__badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(255, 59, 48, 0.2);
            color: #ff6b5e;
            font-size: 0.75rem;
            font-weight: 700;
            animation: blink-badge 1.6s ease-in-out infinite;
        }
        @keyframes blink-badge {
            0%,
            100% {
                background: rgba(255, 59, 48, 0.2);
            }
            50% {
                background: rgba(255, 59, 48, 0.4);
            }
        }
        .live-ticker__score {
            font-weight: 700;
            color: #ffffff;
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.04em;
        }
        .live-ticker__time {
            color: var(--color-text-muted);
            font-size: 0.78rem;
            font-variant-numeric: tabular-nums;
        }

        /* ─── 板块通用 ─── */
        .section {
            padding: 72px 0;
        }
        .section--dark {
            background: var(--color-bg-deep);
        }
        .section--alt {
            background: var(--color-bg-card);
        }
        .section--bg-image {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .section--bg-image::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 17, 23, 0.88);
            z-index: 0;
        }
        .section--bg-image>.container {
            position: relative;
            z-index: 1;
        }
        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section__label {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255, 59, 48, 0.1);
            border: 1px solid rgba(255, 59, 48, 0.25);
            color: #ff6b5e;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .section__title {
            font-size: clamp(1.7rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: var(--color-text-strong);
            margin: 0 0 10px;
            letter-spacing: -0.02em;
        }
        .section__desc {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.65;
        }

        /* ─── 卡片网格 ─── */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 22px;
        }
        .card-grid--3col {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid--4col {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .card__icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card__icon--red {
            background: rgba(255, 59, 48, 0.15);
            color: #ff6b5e;
        }
        .card__icon--blue {
            background: rgba(59, 130, 246, 0.15);
            color: #60a5fa;
        }
        .card__icon--green {
            background: rgba(34, 197, 94, 0.15);
            color: #4ade80;
        }
        .card__icon--gold {
            background: rgba(232, 184, 48, 0.15);
            color: #f0c040;
        }
        .card__title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin: 0 0 8px;
        }
        .card__desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.55;
            flex-grow: 1;
        }
        .card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ff6b5e;
            margin-top: 14px;
            transition: gap var(--transition-fast);
        }
        .card__link:hover {
            gap: 10px;
            color: #ff8a7e;
        }

        /* ─── 图片卡片 ─── */
        .img-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .img-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .img-card__img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg-card-alt);
        }
        .img-card__img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .img-card:hover .img-card__img {
            transform: scale(1.06);
        }
        .img-card__tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            background: rgba(0, 0, 0, 0.65);
            color: #ffffff;
            backdrop-filter: blur(6px);
            z-index: 2;
        }
        .img-card__body {
            padding: 20px 18px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .img-card__title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin: 0 0 6px;
            line-height: 1.35;
        }
        .img-card__desc {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            flex-grow: 1;
        }
        .img-card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ─── 排行表 ─── */
        .ranking-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .ranking-table th {
            padding: 14px 16px;
            text-align: left;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--color-text-weak);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--color-border);
            background: var(--color-bg-card-alt);
            white-space: nowrap;
        }
        .ranking-table td {
            padding: 13px 16px;
            font-size: 0.9rem;
            color: var(--color-text);
            border-bottom: 1px solid rgba(48, 54, 61, 0.4);
            white-space: nowrap;
        }
        .ranking-table tbody tr {
            transition: background var(--transition-fast);
        }
        .ranking-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .ranking-table .rank-num {
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--color-text-strong);
            text-align: center;
            width: 50px;
        }
        .ranking-table .rank-num--top {
            color: #f0c040;
        }
        .ranking-table .team-name {
            font-weight: 600;
            color: var(--color-text-strong);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ranking-table .team-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .ranking-table .pts {
            font-weight: 700;
            color: #ffffff;
            font-variant-numeric: tabular-nums;
        }
        .ranking-table .form-indicator {
            display: inline-flex;
            gap: 3px;
        }
        .form-indicator span {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            display: inline-block;
        }
        .form-win {
            background: #4ade80;
        }
        .form-draw {
            background: #f0c040;
        }
        .form-loss {
            background: #ff5252;
        }

        /* ─── 数据统计区 ─── */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-block {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-normal);
        }
        .stat-block:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-block__num {
            font-size: 2.4rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }
        .stat-block__num--brand {
            color: #ff6b5e;
        }
        .stat-block__label {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin-top: 6px;
        }

        /* ─── FAQ ─── */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-item__trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: transparent;
            color: var(--color-text-strong);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            gap: 12px;
            transition: background var(--transition-fast);
        }
        .faq-item__trigger:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-item__trigger i {
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-item__trigger i {
            transform: rotate(180deg);
            color: #ff6b5e;
        }
        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
        }
        .faq-item.open .faq-item__body {
            max-height: 300px;
        }
        .faq-item__content {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* ─── CTA ─── */
        .cta-section {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 59, 48, 0.08);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 59, 48, 0.05);
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section__title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #ffffff;
            margin: 0 0 10px;
        }
        .cta-section__desc {
            font-size: 1rem;
            color: var(--color-text-weak);
            margin: 0 0 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section__btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 36px;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            background: var(--color-brand);
            color: #ffffff;
            box-shadow: 0 6px 24px rgba(255, 59, 48, 0.35);
            transition: all var(--transition-normal);
        }
        .cta-section__btn:hover {
            background: var(--color-brand-hover);
            box-shadow: 0 8px 30px rgba(255, 59, 48, 0.45);
            transform: translateY(-2px);
            color: #ffffff;
        }

        /* ─── 页脚 ─── */
        .site-footer {
            background: var(--color-bg-card);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 28px;
        }
        .site-footer__inner {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: space-between;
            align-items: flex-start;
        }
        .site-footer__brand {
            flex: 1 1 220px;
            min-width: 180px;
        }
        .site-footer__logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .site-footer__tagline {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }
        .site-footer__links {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        .site-footer__col {
            min-width: 100px;
        }
        .site-footer__col-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text-weak);
            margin-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .site-footer__col a {
            display: block;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .site-footer__col a:hover {
            color: var(--color-text);
        }
        .site-footer__bottom {
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid rgba(48, 54, 61, 0.4);
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ─── 搜索框 ─── */
        .search-inline {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            gap: 8px;
        }
        .search-inline__input {
            flex: 1;
            padding: 13px 18px;
            border-radius: 12px;
            border: 2px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.05);
            color: #ffffff;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            min-width: 0;
        }
        .search-inline__input::placeholder {
            color: var(--color-text-muted);
        }
        .search-inline__input:focus {
            border-color: rgba(255, 59, 48, 0.5);
            background: rgba(255, 255, 255, 0.07);
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 59, 48, 0.08);
        }
        .search-inline__btn {
            padding: 13px 22px;
            border-radius: 12px;
            background: var(--color-brand);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .search-inline__btn:hover {
            background: var(--color-brand-hover);
        }

        /* ─── 响应式 ─── */
        @media (max-width: 1024px) {
            .card-grid--4col {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid--3col {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-nav__link {
                padding: 8px 10px;
                font-size: 0.88rem;
            }
            .site-nav__cta {
                padding: 9px 16px;
                font-size: 0.88rem;
            }
            .hero__title {
                font-size: 2.2rem;
            }
            .section {
                padding: 52px 0;
            }
            .site-footer__links {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(13, 17, 23, 0.96);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-nav);
                z-index: 999;
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav__link {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .site-nav__cta {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .card-grid--4col,
            .card-grid--3col {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero__title {
                font-size: 1.9rem;
            }
            .hero__subtitle {
                font-size: 1rem;
            }
            .hero__btn {
                padding: 12px 22px;
                font-size: 0.95rem;
            }
            .hero__stats-row {
                gap: 14px;
            }
            .hero__stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 40px 0;
            }
            .section__title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .site-footer__inner {
                flex-direction: column;
                gap: 20px;
            }
            .site-footer__links {
                gap: 18px;
                width: 100%;
                justify-content: space-between;
            }
            .search-inline {
                flex-direction: column;
                gap: 8px;
            }
            .search-inline__btn {
                width: 100%;
            }
            .ranking-table-wrap {
                border-radius: var(--radius-md);
            }
        }

        @media (max-width: 520px) {
            .card-grid--4col,
            .card-grid--3col,
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero__title {
                font-size: 1.6rem;
            }
            .hero__subtitle {
                font-size: 0.9rem;
            }
            .hero__actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero__btn {
                width: 100%;
                justify-content: center;
            }
            .hero__stats-row {
                flex-wrap: wrap;
                gap: 10px;
            }
            .hero__stat {
                min-width: 70px;
            }
            .hero__stat-num {
                font-size: 1.3rem;
            }
            .section__header {
                margin-bottom: 28px;
            }
            .section__title {
                font-size: 1.3rem;
            }
            .cta-section__btn {
                width: 100%;
                justify-content: center;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .site-logo {
                font-size: 1.25rem;
            }
            .site-logo__icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.9rem;
            }
            .live-ticker__item {
                padding: 5px 12px;
                font-size: 0.78rem;
                gap: 6px;
            }
            .faq-item__trigger {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item__content {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
            .ranking-table th,
            .ranking-table td {
                padding: 10px 10px;
                font-size: 0.78rem;
            }
        }