:root {
            --bg-deep: #0f172a;
            --surface: #1e293b;
            --surface-soft: #253347;
            --text-main: #e2e8f0;
            --text-dim: #94a3b8;
            --primary: #38bdf8;
            --accent: #a78bfa;
            --glow-primary: rgba(56, 189, 248, 0.15);
            --glow-accent: rgba(167, 139, 250, 0.12);
            --radius-xl: 24px;
            --radius-lg: 20px;
            --radius-md: 16px;
            --shadow-soft: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
            --shadow-hover: 0 30px 55px -12px rgba(0, 0, 0, 0.8);
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.7;
            font-weight: 400;
            overflow-x: hidden;
            padding-top: 80px;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, h5 {
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        /* 吸顶导航 */
        .bent-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 0.85rem 0;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(56, 189, 248, 0.12);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .bent-nav.scrolled {
            background: rgba(15, 23, 42, 0.92);
            box-shadow: 0 15px 35px -12px rgba(0, 0, 0, 0.7);
            border-bottom-color: rgba(56, 189, 248, 0.25);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .brand-logo {
            font-size: 1.55rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #38bdf8, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .brand-logo i {
            color: var(--primary);
            background: none;
            -webkit-text-fill-color: var(--primary);
            font-size: 1.4rem;
        }

        .nav-links {
            display: flex;
            gap: 1.75rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dim);
            padding: 0.35rem 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(56, 189, 248, 0.4);
            border-radius: 12px;
            padding: 0.4rem 0.9rem;
            color: var(--text-main);
            font-size: 1.2rem;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
                padding-top: 1rem;
                border-top: 1px solid rgba(56, 189, 248, 0.15);
                margin-top: 0.8rem;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* 容器 */
        .bento-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Bento 网格 */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-bottom: 4rem;
        }

        .bento-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.6rem;
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(56, 189, 248, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            position: relative;
        }

        .bento-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(56, 189, 248, 0.3);
            background: var(--surface-soft);
        }

        .bento-card::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            opacity: 0.7;
            filter: blur(20px);
        }

        .span-2 {
            grid-column: span 2;
        }

        .span-3 {
            grid-column: span 3;
        }

        .span-4 {
            grid-column: span 4;
        }

        @media (max-width: 992px) {
            .bento-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .span-3, .span-4 {
                grid-column: span 2;
            }
        }

        @media (max-width: 576px) {
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .span-2, .span-3, .span-4 {
                grid-column: span 1;
            }
        }

        /* Hero 区域 */
        .hero-section {
            position: relative;
            padding: 1.5rem 0 2.5rem;
            overflow: hidden;
        }

        .hero-bg-parallax {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 40%, var(--glow-accent) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 60%, var(--glow-primary) 0%, transparent 50%);
            pointer-events: none;
            z-index: -1;
            transition: transform 0.1s linear;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-number {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1;
            color: var(--primary);
            letter-spacing: -0.04em;
        }

        .stat-number.accent {
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-dim);
            margin-top: 0.35rem;
            font-weight: 400;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            margin: 1.5rem 0 0.8rem;
            line-height: 1.2;
        }

        .hero-title span {
            background: linear-gradient(135deg, #38bdf8, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-sub {
            font-size: 1.15rem;
            color: var(--text-dim);
            max-width: 720px;
            font-weight: 400;
            margin-bottom: 2rem;
        }

        /* 特色卡片网格 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 1rem;
        }

        @media (max-width: 992px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        .feature-card {
            background: rgba(30, 41, 59, 0.75);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            border: 1px solid rgba(56, 189, 248, 0.1);
            box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.5);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 28px 45px -12px #000000cc;
            border-color: rgba(56, 189, 248, 0.4);
        }

        .feature-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .feature-card h4 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }

        .feature-card p {
            color: var(--text-dim);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.65;
        }

        /* FAQ */
        .faq-section {
            margin-bottom: 4rem;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-lg);
            margin-bottom: 1rem;
            border: 1px solid rgba(56, 189, 248, 0.08);
            overflow: hidden;
            transition: border-color 0.2s;
        }

        .faq-item:hover {
            border-color: rgba(56, 189, 248, 0.25);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 1.8rem;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            user-select: none;
            color: var(--text-main);
            transition: background 0.2s;
        }

        .faq-question:hover {
            background: rgba(56, 189, 248, 0.04);
        }

        .faq-question i {
            color: var(--primary);
            font-size: 1rem;
            transition: transform 0.3s ease;
        }

        .faq-question.open i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.8rem;
            color: var(--text-dim);
            font-size: 0.98rem;
            line-height: 1.75;
        }

        .faq-answer.show {
            max-height: 300px;
            padding: 0 1.8rem 1.8rem;
        }

        /* 步骤条 */
        .steps-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.8rem;
        }

        .step-item {
            flex: 1 1 200px;
            background: rgba(30, 41, 59, 0.65);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.4rem;
            border-left: 4px solid var(--accent);
            box-shadow: 0 8px 18px -8px rgba(0, 0, 0, 0.6);
            transition: background 0.25s, transform 0.25s;
        }

        .step-item:hover {
            background: rgba(56, 189, 248, 0.08);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 0.5rem;
            opacity: 0.9;
        }

        .step-item h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-dim);
            margin: 0;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(145deg, #1e293b, #16202e);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            border: 1px solid rgba(56, 189, 248, 0.2);
            box-shadow: 0 25px 45px -20px #000000b3;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
            filter: blur(40px);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }

        .cta-block p {
            color: var(--text-dim);
            max-width: 560px;
            margin: 0 auto 2rem;
        }

        .btn-glow {
            background: linear-gradient(135deg, #38bdf8, #a78bfa);
            border: none;
            color: #0f172a;
            font-weight: 700;
            padding: 0.9rem 2.5rem;
            border-radius: 40px;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            transition: transform 0.25s, box-shadow 0.3s;
            box-shadow: 0 10px 20px -5px rgba(56, 189, 248, 0.3);
            display: inline-block;
            cursor: pointer;
        }

        .btn-glow:hover {
            transform: scale(1.04);
            box-shadow: 0 18px 35px -8px rgba(56, 189, 248, 0.5);
            color: #0f172a;
        }

        /* 友链 */
        .friend-links {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(56, 189, 248, 0.12);
        }

        .friend-links h6 {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: var(--text-dim);
            font-weight: 600;
            margin-bottom: 1.2rem;
        }

        .friend-links .links-placeholder {
            color: var(--text-dim);
            font-size: 0.95rem;
            word-break: break-word;
            line-height: 2;
        }

        /* 页脚 */
        .site-footer {
            margin-top: 3rem;
            padding: 2rem 0 1.5rem;
            border-top: 1px solid rgba(56, 189, 248, 0.1);
            color: var(--text-dim);
            font-size: 0.9rem;
        }

        .footer-links a {
            color: var(--text-dim);
            margin-right: 1.5rem;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-logo {
            font-weight: 800;
            color: var(--text-main);
        }

        /* 海报占位网格（严格使用占位符） */
        .poster-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1.2rem;
            margin: 2rem 0 1rem;
            width: 100%;
        }

        @media (max-width: 1200px) {
            .poster-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 768px) {
            .poster-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 480px) {
            .poster-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .poster-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 8px 18px -8px rgba(0, 0, 0, 0.6);
            transition: transform 0.25s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(56, 189, 248, 0.1);
        }

        .poster-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 22px 35px -10px #000000e6;
            border-color: rgba(56, 189, 248, 0.35);
        }

        .poster-card img {
            width: 100%;
            aspect-ratio: 2/3;
            object-fit: cover;
            display: block;
            background: #1a2637;
        }

        .poster-card .poster-title {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.6rem 0.5rem;
            text-align: center;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            background: var(--surface);
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .section-title-sm {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .section-desc {
            color: var(--text-dim);
            margin-bottom: 1.8rem;
            font-size: 1rem;
        }

        /* 介绍 */
        .intro-block {
            background: rgba(30, 41, 59, 0.5);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            border: 1px solid rgba(56, 189, 248, 0.1);
        }

        .intro-block p {
            color: var(--text-dim);
            font-size: 1.02rem;
            margin-bottom: 1.2rem;
        }

        .intro-block strong {
            color: var(--text-main);
            font-weight: 600;
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }
            .stat-number {
                font-size: 2.4rem;
            }
            .cta-block {
                padding: 2rem 1.5rem;
            }
            .cta-block h3 {
                font-size: 1.6rem;
            }
        }

/* --- 子页面追加 --- */
.rank-hero {
        padding: 140px 0 60px;
        position: relative;
        overflow: hidden;
    }
.rank-hero::before {
        content: "";
        position: absolute;
        top: -120px;
        left: 50%;
        transform: translateX(-50%);
        width: 780px;
        height: 780px;
        background: radial-gradient(circle, var(--glow-primary) 0%, transparent 65%);
        pointer-events: none;
        z-index: 0;
    }
.rank-hero .bento-container { position: relative; z-index: 1; }
.rank-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: var(--primary);
        background: var(--glow-primary);
        border: 1px solid rgba(56, 189, 248, 0.28);
        padding: 7px 16px;
        border-radius: 999px;
        margin-bottom: 22px;
    }
.rank-hero h1 {
        font-size: clamp(2rem, 5vw, 3.1rem);
        font-weight: 800;
        line-height: 1.18;
        color: var(--text-main);
        margin-bottom: 18px;
        letter-spacing: -0.02em;
    }
.rank-hero h1 .grad {
        background: linear-gradient(120deg, var(--primary), var(--accent));
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
.rank-hero p {
        color: var(--text-dim);
        font-size: 1.05rem;
        line-height: 1.85;
        max-width: 720px;
    }
.rank-section { padding: 28px 0 10px; }
.section-heading { margin-bottom: 26px; }
.section-heading h2 {
        font-size: clamp(1.35rem, 3vw, 1.85rem);
        font-weight: 700;
        color: var(--text-main);
        letter-spacing: -0.01em;
        margin-bottom: 10px;
    }
.section-heading h2 i { color: var(--primary); margin-right: 10px; }
.section-heading p { color: var(--text-dim); font-size: 0.96rem; line-height: 1.8; max-width: 780px; }
.rank-list { display: flex; flex-direction: column; gap: 14px; }
.rank-row {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 20px 22px;
        background: var(--surface);
        border: 1px solid rgba(148, 163, 184, 0.12);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-soft);
        transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    }
.rank-row:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(56, 189, 248, 0.4);
    }
.rank-index {
        flex: 0 0 auto;
        width: 52px;
        height: 52px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        font-weight: 800;
        border-radius: var(--radius-md);
        background: var(--surface-soft);
        color: var(--text-dim);
        border: 1px solid rgba(148, 163, 184, 0.16);
    }
.rank-row:nth-child(1) .rank-index {
        background: linear-gradient(135deg, rgba(56,189,248,.28), rgba(167,139,250,.28));
        color: var(--primary);
        border-color: rgba(56, 189, 248, 0.5);
    }
.rank-row:nth-child(2) .rank-index {
        background: linear-gradient(135deg, rgba(167,139,250,.24), rgba(56,189,248,.16));
        color: var(--accent);
        border-color: rgba(167, 139, 250, 0.45);
    }
.rank-row:nth-child(3) .rank-index {
        background: linear-gradient(135deg, rgba(56,189,248,.16), rgba(167,139,250,.22));
        color: var(--primary);
        border-color: rgba(56, 189, 248, 0.35);
    }
.rank-body { flex: 1 1 auto; min-width: 0; }
.rank-body h3 {
        font-size: 1.06rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 6px;
    }
.rank-body p {
        font-size: 0.9rem;
        color: var(--text-dim);
        line-height: 1.7;
        margin: 0;
    }
.rank-meta {
        flex: 0 0 auto;
        text-align: right;
        display: flex;
        flex-direction: column;
        gap: 5px;
        align-items: flex-end;
    }
.rank-score {
        font-size: 1.15rem;
        font-weight: 800;
        color: var(--primary);
        font-variant-numeric: tabular-nums;
    }
.rank-tag {
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.06em;
        padding: 3px 10px;
        border-radius: 999px;
        background: var(--glow-accent);
        color: var(--accent);
        border: 1px solid rgba(167, 139, 250, 0.3);
        white-space: nowrap;
    }
.rank-tag.up {
        background: var(--glow-primary);
        color: var(--primary);
        border-color: rgba(56, 189, 248, 0.32);
    }
.rank-note {
        background: var(--surface);
        border: 1px solid rgba(148, 163, 184, 0.12);
        border-left: 3px solid var(--primary);
        border-radius: var(--radius-md);
        padding: 22px 26px;
        box-shadow: var(--shadow-soft);
    }
.rank-note p {
        color: var(--text-dim);
        font-size: 0.94rem;
        line-height: 1.85;
        margin: 0 0 12px;
    }
.rank-note p:last-child { margin-bottom: 0; }
.rank-note strong { color: var(--text-main); }
.rank-hero { padding: 120px 0 40px; }
.rank-row { gap: 14px; padding: 16px 16px; align-items: flex-start; flex-wrap: wrap; }
.rank-index { width: 44px; height: 44px; font-size: 1.05rem; }
.rank-meta { width: 100%; flex-direction: row; justify-content: space-between; align-items: center; }
.rank-body { flex-basis: 100%; order: 3; }

/* --- 子页面追加 --- */
/* 本页专属少量样式，主配色沿用站点变量 */
.about-hero {
    position:relative;
    padding:140px 0 70px;
    overflow:hidden;
}
.about-hero .hero-bg-parallax {
    position:absolute;inset:0;
    background:
        radial-gradient(circle at 18% 22%, var(--glow-primary), transparent 55%),
        radial-gradient(circle at 82% 8%, var(--glow-accent), transparent 50%);
    pointer-events:none;
}
.about-hero-inner {position:relative;z-index:2;}
.eyebrow {
    display:inline-flex;align-items:center;gap:8px;
    font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
    color:var(--primary);
    background:rgba(56,189,248,.08);
    border:1px solid rgba(56,189,248,.25);
    padding:8px 16px;border-radius:999px;margin-bottom:22px;
}
.about-h1 {
    font-size:clamp(1.9rem,4.2vw,3.1rem);
    font-weight:800;line-height:1.2;letter-spacing:-.02em;
    color:var(--text-main);margin-bottom:20px;
}
.about-h1 .grad {
    background:linear-gradient(120deg,var(--primary),var(--accent));
    -webkit-background-clip:text;background-clip:text;color:transparent;
}
.about-lead {
    color:var(--text-dim);font-size:1.06rem;line-height:1.85;
    max-width:820px;margin:0 auto;
}
.section-block {padding:64px 0;}
.section-title i {color:var(--primary);margin-right:10px;}
.about-card {
    background:var(--surface);
    border:1px solid rgba(148,163,184,.14);
    border-radius:var(--radius-lg);
    padding:30px 26px;height:100%;
    transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.about-card:hover {
    transform:translateY(-6px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(56,189,248,.35);
}
.about-card .feature-icon {
    width:52px;height:52px;border-radius:var(--radius-md);
    display:flex;align-items:center;justify-content:center;
    font-size:1.25rem;color:var(--primary);
    background:rgba(56,189,248,.1);
    border:1px solid rgba(56,189,248,.22);
    margin-bottom:18px;
}
.about-card h3 {
    font-size:1.08rem;font-weight:700;color:var(--text-main);
    margin-bottom:12px;line-height:1.5;
}
.about-card p {color:var(--text-dim);font-size:.93rem;line-height:1.85;margin:0;}
.timeline {position:relative;padding-left:26px;}
.timeline::before {
    content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
    background:linear-gradient(180deg,var(--primary),var(--accent));
    opacity:.45;border-radius:2px;
}
.timeline-item {position:relative;margin-bottom:26px;}
.timeline-item:last-child {margin-bottom:0;}
.timeline-item::before {
    content:"";position:absolute;left:-26px;top:6px;
    width:12px;height:12px;border-radius:50%;
    background:var(--bg-deep);border:2px solid var(--primary);
}
.timeline-item h4 {
    font-size:1rem;font-weight:700;color:var(--text-main);margin-bottom:8px;
}
.timeline-item p {color:var(--text-dim);font-size:.92rem;line-height:1.8;margin:0;}
.stat-strip {
    display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
    background:var(--surface-soft);
    border:1px solid rgba(148,163,184,.14);
    border-radius:var(--radius-xl);
    padding:32px 24px;
}
.strip-item {text-align:center;}
.strip-num {
    font-size:1.7rem;font-weight:800;
    background:linear-gradient(120deg,var(--primary),var(--accent));
    -webkit-background-clip:text;background-clip:text;color:transparent;
    display:block;margin-bottom:6px;
}
.strip-label {color:var(--text-dim);font-size:.85rem;letter-spacing:.04em;}
.rule-list {list-style:none;padding:0;margin:0;}
.rule-list li {
    display:flex;gap:14px;align-items:flex-start;
    padding:16px 0;border-bottom:1px dashed rgba(148,163,184,.18);
    color:var(--text-dim);font-size:.94rem;line-height:1.8;
}
.rule-list li:last-child {border-bottom:none;}
.rule-list li i {color:var(--accent);margin-top:5px;flex-shrink:0;}
.cta-band {
    background:linear-gradient(120deg,rgba(56,189,248,.12),rgba(167,139,250,.12));
    border:1px solid rgba(56,189,248,.22);
    border-radius:var(--radius-xl);
    padding:44px 30px;text-align:center;
}
.cta-band h3 {
    font-size:1.4rem;font-weight:700;color:var(--text-main);margin-bottom:14px;
}
.cta-band p {color:var(--text-dim);font-size:.96rem;line-height:1.85;max-width:640px;margin:0 auto 24px;}
.btn-ghost {
    display:inline-flex;align-items:center;gap:9px;
    padding:13px 28px;border-radius:999px;
    border:1px solid rgba(148,163,184,.35);
    color:var(--text-main);font-weight:600;font-size:.94rem;
    text-decoration:none;transition:all .3s ease;
}
.btn-ghost:hover {border-color:var(--primary);color:var(--primary);transform:translateY(-3px);}
.about-hero {padding:110px 0 50px;}
.stat-strip {grid-template-columns:repeat(2,1fr);gap:24px;}
.section-block {padding:46px 0;}

/* --- 子页面追加 --- */
.legal-hero {
        padding: 120px 0 40px;
        position: relative;
        overflow: hidden;
    }
.legal-hero h1 {
        font-size: clamp(1.9rem, 4vw, 3rem);
        font-weight: 800;
        line-height: 1.25;
        color: var(--text-main);
        letter-spacing: -0.02em;
    }
.legal-hero h1 .hl {
        background: linear-gradient(120deg, var(--primary), var(--accent));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
.legal-hero p.lead-text {
        color: var(--text-dim);
        font-size: 1.05rem;
        max-width: 760px;
        margin-top: 18px;
        line-height: 1.85;
    }
.legal-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 26px;
    }
.legal-meta span {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 16px;
        border-radius: 999px;
        background: var(--surface-soft);
        border: 1px solid rgba(148, 163, 184, 0.18);
        color: var(--text-dim);
        font-size: 0.85rem;
        font-weight: 500;
    }
.legal-meta span i { color: var(--primary); }
.legal-body { padding: 20px 0 80px; }
.legal-card {
        background: var(--surface);
        border: 1px solid rgba(148, 163, 184, 0.14);
        border-radius: var(--radius-lg);
        padding: 34px 32px;
        box-shadow: var(--shadow-soft);
        height: 100%;
        transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }
.legal-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(56, 189, 248, 0.3);
    }
.legal-card h2 {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 12px;
        line-height: 1.4;
    }
.legal-card h2 .num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        flex-shrink: 0;
        border-radius: 12px;
        font-size: 0.9rem;
        font-weight: 800;
        color: var(--bg-deep);
        background: linear-gradient(135deg, var(--primary), var(--accent));
    }
.legal-card h3 {
        font-size: 1.02rem;
        font-weight: 700;
        color: var(--primary);
        margin: 20px 0 10px;
    }
.legal-card p,
    .legal-card li {
        color: var(--text-dim);
        font-size: 0.94rem;
        line-height: 1.9;
    }
.legal-card p { margin-bottom: 12px; }
.legal-card ul {
        padding-left: 20px;
        margin: 10px 0;
    }
.legal-card ul li { margin-bottom: 8px; }
.legal-card ul li::marker { color: var(--accent); }
.legal-card strong { color: var(--text-main); font-weight: 600; }
.legal-note {
        background: linear-gradient(135deg, var(--glow-primary), var(--glow-accent));
        border: 1px solid rgba(56, 189, 248, 0.28);
        border-radius: var(--radius-md);
        padding: 20px 22px;
        margin-top: 18px;
    }
.legal-note p {
        color: var(--text-main);
        margin: 0;
        font-size: 0.9rem;
        line-height: 1.85;
    }
.legal-note i { color: var(--primary); margin-right: 8px; }
.legal-contact {
        background: var(--surface-soft);
        border: 1px solid rgba(148, 163, 184, 0.16);
        border-radius: var(--radius-xl);
        padding: 34px 32px;
        text-align: center;
        margin-top: 44px;
    }
.legal-contact h2 {
        font-size: 1.35rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 12px;
    }
.legal-contact p {
        color: var(--text-dim);
        font-size: 0.95rem;
        max-width: 640px;
        margin: 0 auto 22px;
        line-height: 1.85;
    }
.legal-contact .btn-legal {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 13px 28px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: var(--bg-deep);
        font-weight: 700;
        font-size: 0.95rem;
        text-decoration: none;
        transition: transform .25s ease, box-shadow .25s ease;
    }
.legal-contact .btn-legal:hover {
        transform: translateY(-3px);
        box-shadow: 0 16px 32px -12px rgba(56, 189, 248, 0.55);
        color: var(--bg-deep);
    }
.legal-toc {
        background: var(--surface);
        border: 1px solid rgba(148, 163, 184, 0.14);
        border-radius: var(--radius-lg);
        padding: 24px 26px;
        position: sticky;
        top: 96px;
    }
.legal-toc h3 {
        color: var(--text-main);
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
.legal-toc h3 i { color: var(--accent); }
.legal-toc a {
        display: block;
        color: var(--text-dim);
        text-decoration: none;
        font-size: 0.88rem;
        padding: 8px 0 8px 14px;
        border-left: 2px solid transparent;
        transition: all .2s ease;
    }
.legal-toc a:hover {
        color: var(--primary);
        border-left-color: var(--primary);
        padding-left: 18px;
    }
.legal-toc { position: static; margin-bottom: 24px; }
.legal-hero { padding: 100px 0 30px; }
.legal-card { padding: 26px 20px; }
.legal-contact { padding: 28px 20px; }