/* roulang page: index */
:root {
    --primary: #FF6B35;
    --primary-dark: #E8531F;
    --primary-light: #FFF1EA;
    --secondary: #0EA5A0;
    --secondary-light: #E6F4F3;
    --gradient-brand: linear-gradient(135deg, #FF6B35 0%, #FF9E58 45%, #0EA5A0 100%);
    --gradient-btn: linear-gradient(135deg, #FF6B35, #F04A1A);
    --bg-warm: #F7F5F2;
    --bg-card: #FFFFFF;
    --bg-dark: #1E232F;
    --border-soft: #E8E2DC;
    --text-main: #262B35;
    --text-sub: #5C6470;
    --text-muted: #9AA3AF;
    --star-gold: #F5A623;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-card: 0 8px 24px rgba(30, 35, 47, .06);
    --shadow-hover: 0 16px 40px rgba(30, 35, 47, .10);
    --shadow-btn: 0 10px 28px rgba(255, 107, 53, .35);
    --space-section: clamp(4rem, 8vw, 6.5rem);
    --container-w: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-size: 16px; }
body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    color: var(--text-main);
    background: var(--bg-warm);
    line-height: 1.75;
    font-variant-numeric: tabular-nums;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: var(--primary); text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
a:hover { color: var(--primary-dark); }
button { cursor: pointer; font-family: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
section { position: relative; }
.section-title { text-align: center; margin-bottom: 2.5rem; }
.section-title h2 {
    font-size: clamp(1.75rem, 2.5vw, 2.25rem);
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.01em;
    margin: 0 0 .35em;
    line-height: 1.3;
}
.section-title p { color: var(--text-sub); font-size: 1rem; max-width: 640px; margin: 0 auto; line-height: 1.75; }
.eyebrow-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: none;
    margin-bottom: 16px;
}

/* ============ 导航面板 ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding-top: 16px;
    background: transparent;
    transition: background .3s ease;
}
.site-header.scrolled {
    padding-top: 8px;
    background: rgba(30, 35, 47, .85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 30px rgba(30, 35, 47, .28);
}
.nav-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    box-shadow: 0 6px 24px rgba(30, 35, 47, .18);
    transition: background .3s ease, box-shadow .3s ease;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    transition: background .25s ease;
}
.nav-logo:hover { background: rgba(255, 255, 255, .06); }
.nav-logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(255, 107, 53, .35);
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo-text strong {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: .02em;
}
.nav-logo-text small { color: rgba(255, 255, 255, .55); font-size: 11px; letter-spacing: .12em; }
.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, .08);
    color: rgba(255, 255, 255, .9);
    font-size: .875rem;
    font-weight: 600;
    line-height: 1.2;
    position: relative;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.nav-link i { font-size: .875rem; color: rgba(255, 255, 255, .6); }
.nav-link:hover, .nav-link.active {
    background: rgba(255, 255, 255, .16);
    color: #fff;
    border-bottom-color: var(--primary);
}
.nav-link:hover i, .nav-link.active i { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    font-size: .9375rem;
    line-height: 1;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    border: 0;
    text-decoration: none;
    transition: all .25s ease;
    font-family: inherit;
}
.btn-primary {
    background: var(--gradient-btn);
    color: #fff;
    box-shadow: var(--shadow-btn);
}
.btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 14px 34px rgba(255, 107, 53, .42); filter: brightness(1.05); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 6px 16px rgba(255, 107, 53, .3); }
.btn-primary:focus-visible { outline: 2px solid rgba(255, 107, 53, .5); outline-offset: 2px; }
.btn-secondary {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, .55);
    color: #fff;
}
.btn-secondary:hover { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .8); }
.btn-secondary:active { background: rgba(255, 255, 255, .18); }
.btn-secondary:focus-visible { outline: 2px solid rgba(255, 255, 255, .5); outline-offset: 2px; }
.btn-light {
    background: #fff;
    color: var(--text-main);
    box-shadow: 0 12px 30px rgba(30, 35, 47, .12);
}
.btn-light:hover { color: var(--text-main); transform: translateY(-2px); box-shadow: 0 16px 38px rgba(30, 35, 47, .18); }
.btn-lg { padding: 16px 34px; font-size: 1rem; border-radius: 14px; }
.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 1.25rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
}
.nav-toggle:hover { background: rgba(255, 255, 255, .1); }
.nav-toggle:focus-visible { outline: 2px solid rgba(255, 255, 255, .5); outline-offset: 2px; }

/* ============ Hero ============ */
.hero-section {
    position: relative;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(ellipse at 15% 20%, rgba(255, 107, 53, .30) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 80%, rgba(14, 165, 160, .25) 0%, transparent 55%),
        linear-gradient(rgba(30, 35, 47, .80), rgba(30, 35, 47, .90)),
        url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: clamp(4rem, 7vw, 6.5rem) 0 var(--space-section);
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, .05) 0 1px, transparent 1.5px),
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, .04) 0 1px, transparent 1.5px);
    background-size: 36px 36px;
    pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-row { display: flex; align-items: center; gap: 48px; }
.hero-left { flex: 1.15; }
.hero-right { flex: .85; }
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .08);
    border-radius: 999px;
    padding: 6px 18px;
    font-size: .8125rem;
    font-weight: 600;
    color: rgba(255, 255, 255, .85);
    margin-bottom: 18px;
    backdrop-filter: blur(6px);
}
.hero-tag i { color: var(--primary); }
.hero-left h1 {
    font-size: clamp(2.25rem, 4.5vw, 3.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 0 0 18px;
    color: #fff;
}
.hero-left h1 .gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, .75);
    max-width: 520px;
    margin-bottom: 28px;
    line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 24px; }
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}
.trust-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: .75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, .88);
    backdrop-filter: blur(4px);
}
.trust-pill i { color: var(--primary); font-size: .75rem; }
.hero-visual { position: relative; }
.hero-image-card {
    border-radius: var(--radius-lg);
    padding: 10px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .14);
    box-shadow: 0 24px 60px rgba(30, 35, 47, .4);
}
.hero-image-card img {
    border-radius: 18px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
}
.hero-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border-radius: 14px;
    padding: 12px 16px;
    box-shadow: 0 12px 32px rgba(30, 35, 47, .25);
}
.hero-badge .badge-icon {
    width: 34px;
    height: 34px;
    background: var(--primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 14px;
    flex-shrink: 0;
}
.hero-badge strong { display: block; font-size: 1.25rem; font-weight: 800; color: var(--text-main); line-height: 1.1; }
.hero-badge span { display: block; font-size: .6875rem; font-weight: 500; color: var(--text-sub); line-height: 1.2; margin-top: 2px; }
.hero-badge-1 { top: 14px; right: -8px; }
.hero-badge-2 { bottom: 20px; left: -14px; }

/* ============ 卖点三连 ============ */
.features-section {
    padding: var(--space-section) 0;
    background: var(--bg-warm);
}
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 36px; }
.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    position: relative;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 107, 53, .25);
}
.feature-card-large {
    grid-row: span 2;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease;
}
.feature-card-large:hover { transform: none; box-shadow: var(--shadow-hover); }
.feature-card-large::before {
    content: '';
    display: block;
    height: 8px;
    background: var(--gradient-brand);
}
.feature-card-large-body {
    padding: clamp(1.75rem, 3.5vw, 2.75rem);
    display: flex;
    flex-direction: column;
    flex: 1;
}
.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.feature-icon.teal {
    background: var(--secondary-light);
    color: var(--secondary);
}
.feature-card-large .feature-icon {
    width: 64px;
    height: 64px;
    font-size: 26px;
    border-radius: 18px;
}
.feature-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--text-main);
    line-height: 1.35;
}
.feature-card p {
    color: var(--text-sub);
    font-size: .9375rem;
    margin: 0 0 16px;
    line-height: 1.7;
}
.feature-card .feature-link {
    font-size: .875rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.feature-card .feature-link:hover { color: var(--primary-dark); }
.feature-points {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 18px 0 0;
    padding: 0;
}
.feature-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .875rem;
    color: var(--text-sub);
}
.feature-points li i { color: var(--secondary); margin-top: 3px; font-size: .8125rem; }
.mini-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-brand);
    border-radius: 14px;
    padding: 10px 18px;
    color: #fff;
    margin-top: auto;
    align-self: flex-start;
}
.mini-badge strong { font-size: 1.5rem; font-weight: 800; line-height: 1; }
.mini-badge span { font-size: .6875rem; font-weight: 500; color: rgba(255, 255, 255, .8); }
.small-card-badge {
    margin-top: 8px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 10px;
    padding: 4px 10px;
    display: inline-block;
}
.small-card-badge span { font-size: .6875rem; font-weight: 600; color: var(--text-sub); margin-left: 4px; }

/* ============ 场景演示 ============ */
.scenario-section {
    padding: var(--space-section) 0;
    background: #fff;
}
.scenario-row {
    display: flex;
    align-items: center;
    gap: clamp(24px, 5vw, 64px);
    margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
.scenario-row:last-child { margin-bottom: 0; }
.scenario-row.reverse { flex-direction: row-reverse; }
.scenario-media { flex: 1; position: relative; }
.scenario-media .cover-card {
    border-radius: var(--radius-lg);
    padding: 8px;
    background: #fff;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-soft);
}
.scenario-media .cover-card img {
    border-radius: 18px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
}
.scenario-badge {
    position: absolute;
    bottom: 24px;
    right: 16px;
    background: #fff;
    border-radius: 14px;
    padding: 10px 16px;
    box-shadow: 0 10px 28px rgba(30, 35, 47, .18);
    display: flex;
    align-items: center;
    gap: 8px;
}
.scenario-badge .badge-icon {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--secondary-light);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}
.scenario-badge strong { font-size: 1.0625rem; font-weight: 800; color: var(--text-main); line-height: 1; }
.scenario-badge span { font-size: .625rem; color: var(--text-sub); line-height: 1; display: block; margin-top: 3px; }
.scenario-text { flex: 1; padding: clamp(20px, 3vw, 36px); border-radius: var(--radius-lg); }
.scenario-text.orange-panel { background: var(--primary-light); }
.scenario-text.teal-panel { background: var(--secondary-light); }
.scenario-text.white-panel { background: var(--bg-warm); }
.scenario-text .tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.tag-orange { background: rgba(255, 107, 53, .12); color: var(--primary-dark); }
.tag-teal { background: rgba(14, 165, 160, .12); color: var(--secondary); }
.scenario-text h3 {
    font-size: clamp(1.4rem, 2vw, 1.75rem);
    font-weight: 700;
    margin: 0 0 14px;
    color: var(--text-main);
    line-height: 1.3;
}
.scenario-text > p { color: var(--text-sub); font-size: .9375rem; line-height: 1.75; margin: 0 0 20px; }
.scenario-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 20px;
    margin: 0;
    padding: 0;
}
.scenario-points li { display: flex; align-items: center; gap: 10px; font-size: .875rem; color: var(--text-main); font-weight: 500; }
.scenario-points li i {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 3px 12px rgba(30, 35, 47, .07);
    color: var(--primary);
    font-size: .75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ============ 数据徽章带 / 社会认同 ============ */
.socialproof-section {
    padding: var(--space-section) 0;
    background: var(--bg-warm);
    overflow: hidden;
}
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 44px;
}
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
    padding: 24px 20px;
    text-align: center;
    position: relative;
    transition: transform .3s ease, box-shadow .3s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.stat-card::before {
    content: '';
    display: block;
    width: 32px;
    height: 4px;
    border-radius: 999px;
    background: var(--gradient-brand);
    margin: 0 auto 16px;
}
.stat-card strong {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.2;
    margin-bottom: 4px;
    letter-spacing: .01em;
}
.stat-card span { font-size: .8125rem; color: var(--text-sub); font-weight: 500; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
    padding: 28px 24px;
    position: relative;
    transition: transform .3s ease, box-shadow .3s ease;
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.review-card::before {
    content: '\201C';
    position: absolute;
    top: 12px;
    right: 20px;
    font-size: 64px;
    font-family: Georgia, serif;
    color: var(--border-soft);
    line-height: 1;
    opacity: .7;
}
.review-stars { color: var(--star-gold); font-size: .9375rem; margin-bottom: 14px; letter-spacing: 2px; }
.review-card p {
    font-size: .9375rem;
    color: var(--text-sub);
    line-height: 1.75;
    margin: 0 0 20px;
}
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .875rem;
    font-weight: 700;
    flex-shrink: 0;
}
.review-author strong { display: block; font-size: .875rem; color: var(--text-main); font-weight: 700; }
.review-author span { font-size: .75rem; color: var(--text-muted); }

/* ============ 资讯列表（CMS） ============ */
.news-section {
    padding: var(--space-section) 0;
    background: #fff;
}
.news-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 12px;
}
.news-head h2 {
    font-size: clamp(1.75rem, 2.5vw, 2.25rem);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
    line-height: 1.3;
}
.news-head p { margin: 4px 0 0; color: var(--text-sub); font-size: .9375rem; }
.news-all-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 999px;
    padding: 8px 18px;
}
.news-all-link:hover { background: #ffe0d0; color: var(--primary-dark); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(255, 107, 53, .22); }
.news-thumb { display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--bg-warm); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.03); }
.news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.news-tag {
    align-self: flex-start;
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: .75rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.news-title { font-size: 1.125rem; font-weight: 600; line-height: 1.5; margin: 0 0 10px; }
.news-title a { color: var(--text-main); }
.news-title a:hover { color: var(--primary); }
.news-summary {
    font-size: .875rem;
    color: var(--text-sub);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0 16px;
    flex: 1;
}
.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-soft);
}
.news-meta time { font-size: .78125rem; color: var(--text-muted); }
.news-more {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.news-more:hover { color: var(--primary-dark); }
.news-empty {
    grid-column: 1 / -1;
    border: 2px dashed #D8D2CC;
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: .9375rem;
    background: var(--bg-warm);
}
.news-empty i { font-size: 2rem; margin-bottom: 10px; display: block; color: #D8D2CC; }
.news-empty p { margin: 0; }

/* ============ FAQ ============ */
.faq-section {
    padding: var(--space-section) 0;
    background: var(--bg-warm);
}
.faq-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 40px;
    align-items: start;
}
.faq-left .section-title { text-align: left; margin-bottom: 20px; }
.faq-left .section-title h2 { font-size: clamp(1.75rem, 2.5vw, 2.25rem); }
.faq-support-card {
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    padding: 28px;
    color: #fff;
    margin-top: 24px;
}
.faq-support-card h4 { font-size: 1.0625rem; margin: 0 0 8px; font-weight: 700; }
.faq-support-card p { color: rgba(255, 255, 255, .7); font-size: .875rem; margin: 0 0 18px; line-height: 1.7; }
.faq-support-card .support-email {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    background: rgba(255, 255, 255, .1);
    border-radius: 10px;
    padding: 10px 16px;
    font-size: .875rem;
    font-weight: 600;
    width: 100%;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, .1);
}
.faq-support-card .support-email:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.faq-list {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    list-style: none;
    margin: 0;
}
.faq-list li {
    border-bottom: 1px solid var(--border-soft);
    position: relative;
    padding-left: 4px;
    background: #fff;
    transition: background .3s ease;
}
.faq-list li:last-child { border-bottom: 0; }
.faq-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity .3s ease;
}
.faq-list li.is-active { background: #FAF7F4; }
.faq-list li.is-active::before { opacity: 1; }
.faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 22px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    transition: color .25s ease;
    min-height: 52px;
}
.faq-question:hover { color: var(--primary); }
.faq-arrow {
    margin-left: auto;
    font-size: .75rem;
    color: var(--text-muted);
    transition: transform .3s ease, color .3s ease;
    flex-shrink: 0;
}
.faq-list li.is-active .faq-arrow { transform: rotate(180deg); color: var(--primary); }
.faq-answer {
    padding: 0 22px 20px 58px;
    font-size: .90625rem;
    color: var(--text-sub);
    line-height: 1.75;
    display: none;
}
.faq-list li.is-active .faq-answer { display: block; }

/* ============ 最终 CTA ============ */
.cta-section {
    padding: var(--space-section) 0;
    background: #fff;
}
.cta-card {
    border-radius: var(--radius-xl);
    background: var(--gradient-brand);
    padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 3.5rem);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-card::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    top: -160px;
    right: -100px;
    pointer-events: none;
}
.cta-card::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    bottom: -120px;
    left: -80px;
    pointer-events: none;
}
.cta-card h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    margin: 0 0 14px;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}
.cta-card p {
    font-size: 1rem;
    color: rgba(255, 255, 255, .85);
    max-width: 560px;
    margin: 0 auto 28px;
    line-height: 1.75;
    position: relative;
    z-index: 1;
}
.cta-card .btn-light { position: relative; z-index: 1; }

/* ============ 页脚 ============ */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, .7);
    padding: clamp(3rem, 6vw, 5rem) 0 0;
    position: relative;
}
.site-footer::before {
    content: '';
    display: block;
    height: 4px;
    background: var(--gradient-brand);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-brand .footer-logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--gradient-brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    font-weight: 800;
}
.footer-brand .footer-logo strong { color: #fff; font-size: 1.0625rem; font-weight: 800; }
.footer-brand p { font-size: .84375rem; line-height: 1.7; margin: 0 0 18px; color: rgba(255, 255, 255, .6); }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .08);
    color: rgba(255, 255, 255, .7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8125rem;
    transition: background .25s ease, color .25s ease;
}
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-col h4 {
    font-size: .875rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 16px;
    letter-spacing: .02em;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    color: rgba(255, 255, 255, .6);
    font-size: .8125rem;
    position: relative;
    transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul li a:hover {
    color: rgba(255, 255, 255, .9);
    padding-left: 10px;
}
.footer-col ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 2px;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    transition: width .25s ease;
}
.footer-col ul li a:hover::before { width: 8px; }
.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .8125rem;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, .6);
}
.footer-contact-item i { color: var(--primary); width: 16px; text-align: center; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0;
    text-align: center;
    font-size: .75rem;
    color: rgba(255, 255, 255, .5);
    letter-spacing: .02em;
}
.footer-bottom a { color: rgba(255, 255, 255, .5); }
.footer-bottom a:hover { color: #fff; }

/* ============ 移动端底部转化条 ============ */
.mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: 64px;
    background: rgba(255, 255, 255, .98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-soft);
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-shadow: 0 -4px 20px rgba(30, 35, 47, .06);
}
.mobile-bar-text strong {
    display: block;
    font-size: .875rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}
.mobile-bar-text span { font-size: .6875rem; color: var(--text-muted); }
.mobile-bar .btn { padding: 10px 20px; font-size: .84375rem; border-radius: 10px; }
.mobile-bar-spacer { display: none; height: 64px; }

/* ============ 通用动画 ============ */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.hero-badge-1 { animation: float 4s ease-in-out infinite; }
.hero-badge-2 { animation: float 5s ease-in-out 1s infinite; }

/* ============ 响应式 ============ */
@media (max-width: 1023px) {
    .nav-panel { flex-wrap: wrap; }
    .nav-links {
        order: 3;
        flex-basis: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        padding-top: 10px;
        border-top: 1px solid rgba(255, 255, 255, .08);
        display: none;
    }
    .nav-links.nav-links-open { display: flex; }
    .nav-link { flex: 1 1 auto; justify-content: center; min-height: 44px; }
    .nav-toggle { display: inline-flex; }
    .faq-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .scenario-row { flex-direction: column; }
    .scenario-row.reverse { flex-direction: column; }
    .scenario-media, .scenario-text { width: 100%; }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
    .nav-panel { padding: 12px 14px; }
    .nav-logo-icon { width: 36px; height: 36px; font-size: 16px; }
    .nav-logo-text strong { font-size: 15px; }
    .nav-logo-text small { font-size: 10px; }
    .hero-row { flex-direction: column; gap: 40px; }
    .hero-left h1 { font-size: clamp(1.875rem, 6vw, 2.4rem); }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .hero-badge-1 { right: 4px; }
    .hero-badge-2 { left: 4px; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-card-large { grid-row: auto; }
    .review-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: 1fr 1fr; gap: 12px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .scenario-points { grid-template-columns: 1fr 1fr; }
    .mobile-bar { display: flex; }
    .mobile-bar-spacer { display: block; }
    body { padding-bottom: 0; }
    .section-title h2 { font-size: 1.6rem; }
    .faq-question { font-size: .90625rem; padding: 16px 14px; }
    .faq-answer { padding: 0 14px 18px 34px; }
    .btn { min-height: 44px; }
    .nav-link { min-height: 44px; }
    .news-all-link { min-height: 44px; }
}

/* roulang page: category1 */
:root {
            --primary: #FF6B35;
            --primary-dark: #E8531F;
            --primary-light: #FFF1EA;
            --secondary: #0EA5A0;
            --secondary-light: #E6F4F3;
            --bg: #F7F5F2;
            --card: #FFFFFF;
            --dark: #1E232F;
            --text: #262B35;
            --text-secondary: #5C6470;
            --text-muted: #9AA3AF;
            --border: #E8E2DC;
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 8px 24px rgba(30, 35, 47, .06);
            --shadow-md: 0 16px 40px rgba(30, 35, 47, .10);
            --shadow-primary: 0 10px 28px rgba(255, 107, 53, .35);
            --gradient: linear-gradient(135deg, #FF6B35 0%, #FF9E58 45%, #0EA5A0 100%);
            --btn-gradient: linear-gradient(135deg, #FF6B35, #F04A1A);
            --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        button {
            font-family: var(--font);
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: var(--font);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .section {
            padding: clamp(4rem, 8vw, 6.5rem) 0;
        }
        .section-alt {
            background: var(--bg);
        }
        .text-center {
            text-align: center;
        }

        /* ===== Header / 卡片化导航面板 ===== */
        .site-header {
            padding: 16px 0;
            background: transparent;
            position: relative;
            z-index: 100;
            transition: box-shadow .3s ease, background .3s ease;
        }
        .site-header.scrolled {
            position: sticky;
            top: 0;
            background: rgba(30, 35, 47, .85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 8px 30px rgba(30, 35, 47, .18);
        }
        .nav-panel {
            background: var(--dark);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            flex-wrap: wrap;
            box-shadow: 0 10px 30px rgba(30, 35, 47, .12);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: #fff;
        }
        .nav-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo-text strong {
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: .02em;
        }
        .nav-logo-text small {
            font-size: .72rem;
            color: rgba(255, 255, 255, .65);
            font-weight: 500;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .9);
            font-size: .875rem;
            font-weight: 500;
            position: relative;
            transition: background .25s ease, color .25s ease;
            min-height: 44px;
        }
        .nav-link i {
            font-size: .9rem;
            color: rgba(255, 255, 255, .7);
            transition: color .25s ease;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, .16);
            color: #fff;
        }
        .nav-link:hover i {
            color: #fff;
        }
        .nav-link.active {
            background: rgba(255, 255, 255, .16);
            color: #fff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--gradient);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 800;
            border-radius: 12px;
            padding: 12px 24px;
            font-size: .938rem;
            line-height: 1;
            letter-spacing: .01em;
            transition: all .25s ease;
            border: 2px solid transparent;
            text-align: center;
            min-height: 44px;
        }
        .btn-primary {
            background: var(--btn-gradient);
            color: #fff;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(255, 107, 53, .42);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(.96);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(255, 107, 53, .5);
            outline-offset: 3px;
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, .6);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-color: #fff;
        }
        .btn-outline-dark {
            background: transparent;
            border-color: #D8D2CC;
            color: var(--text);
        }
        .btn-outline-dark:hover {
            background: rgba(30, 35, 47, .04);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            font-size: 1.15rem;
            align-items: center;
            justify-content: center;
            transition: background .25s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .16);
        }

        /* ===== Hero ===== */
        .hero {
            background: var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
            color: #fff;
            padding: clamp(3.5rem, 7vw, 6rem) 0 0;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(255, 107, 53, .45), transparent 65%);
            filter: blur(60px);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -140px;
            right: -60px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(14, 165, 160, .4), transparent 65%);
            filter: blur(60px);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            padding-bottom: 48px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 20px;
            padding: 8px 14px;
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            width: fit-content;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, .4);
        }
        .hero-content {
            flex: 1.2;
        }
        .hero h1 {
            font-size: clamp(2.25rem, 4.5vw, 3.75rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.18;
            margin-bottom: .5em;
        }
        .hero h1 .brand-gradient {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        .hero-desc {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, .8);
            max-width: 36em;
            margin-bottom: 28px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            color: rgba(255, 255, 255, .9);
            font-size: .83rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
        }
        .hero-media {
            flex: .9;
            position: relative;
        }
        .hero-media-card {
            background: #fff;
            border-radius: 24px;
            padding: 12px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
            position: relative;
        }
        .hero-media-card img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: 16px;
        }
        .badge {
            display: inline-flex;
            flex-direction: column;
            align-items: flex-start;
            background: #fff;
            color: var(--text);
            border-radius: 14px;
            padding: 12px 18px;
            box-shadow: var(--shadow-md);
            position: absolute;
            min-width: 128px;
        }
        .badge .badge-num {
            font-family: "DIN Alternate", "Bahnschrift", system-ui;
            font-size: 2rem;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            color: var(--text);
        }
        .badge .badge-label {
            font-size: .75rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-top: 2px;
        }
        .badge-top {
            top: 20px;
            right: -16px;
        }
        .badge-bottom {
            bottom: 20px;
            left: -16px;
            background: var(--gradient);
            color: #fff;
        }
        .badge-bottom .badge-num {
            color: #fff;
        }
        .badge-bottom .badge-label {
            color: rgba(255, 255, 255, .85);
        }

        /* ===== Section Head ===== */
        .section-head {
            margin-bottom: 44px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: .82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .02em;
        }
        .section-head h2 {
            font-size: clamp(1.75rem, 2.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.015em;
            margin-bottom: .3em;
        }
        .section-head p {
            color: var(--text-secondary);
            max-width: 36em;
            font-size: 1rem;
        }
        .section-head.text-center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导读大卡 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr;
            gap: 24px;
        }
        .feature-main {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: clamp(1.5rem, 3vw, 2.5rem);
            position: relative;
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .feature-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 8px;
            background: var(--gradient);
        }
        .feature-main h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .feature-main p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .feature-list {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            color: var(--text);
            font-weight: 500;
        }
        .feature-list li i {
            color: var(--secondary);
            margin-top: 5px;
            font-size: .9rem;
        }
        .feature-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }
        .stat-chip {
            display: inline-flex;
            flex-direction: column;
            background: var(--gradient);
            color: #fff;
            border-radius: 14px;
            padding: 12px 18px;
            min-width: 96px;
        }
        .stat-chip .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }
        .stat-chip .stat-label {
            font-size: .76rem;
            color: rgba(255, 255, 255, .85);
            font-weight: 500;
        }
        .feature-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 16px;
        }
        .feature-card:nth-child(3) .card-icon {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: .94rem;
            flex: 1;
        }
        .feature-card .card-note {
            font-size: .82rem;
            color: var(--text-muted);
            margin-top: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 功能模块卡片 ===== */
        .module-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .module-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
        }
        .module-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 107, 53, .3);
        }
        .module-card .module-img {
            width: 100%;
            aspect-ratio: 3/2;
            overflow: hidden;
            position: relative;
        }
        .module-card .module-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .module-card:hover .module-img img {
            transform: scale(1.03);
        }
        .module-card .module-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: .78rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .module-body {
            padding: 22px 22px 24px;
        }
        .module-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .module-body p {
            color: var(--text-secondary);
            font-size: .92rem;
            margin-bottom: 0;
        }

        /* ===== 流程 ===== */
        .steps-section {
            background: var(--dark) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
        }
        .steps-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(30, 35, 47, .9);
        }
        .steps-section .section-head {
            position: relative;
            z-index: 2;
        }
        .steps-section .section-head h2 {
            color: #fff;
        }
        .steps-section .section-head p {
            color: rgba(255, 255, 255, .8);
        }
        .steps-section .section-head .eyebrow {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }
        .steps-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            position: relative;
            transition: background .3s ease, transform .3s ease;
        }
        .step-card:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-4px);
        }
        .step-num {
            font-family: "DIN Alternate", "Bahnschrift", system-ui;
            font-size: 2.4rem;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 14px;
        }
        .step-card h3 {
            color: #fff;
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .step-card p {
            color: rgba(255, 255, 255, .7);
            font-size: .9rem;
            margin-bottom: 0;
        }
        .step-arrow {
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 3;
            color: rgba(255, 255, 255, .4);
            font-size: 1.1rem;
        }

        /* ===== 场景 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform .35s ease, box-shadow .35s ease;
        }
        .scene-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .scene-card .scene-img {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .scene-card:hover .scene-img img {
            transform: scale(1.04);
        }
        .scene-card .scene-img::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 40px;
            background: linear-gradient(to bottom, transparent, rgba(30, 35, 47, .35));
        }
        .scene-body {
            padding: 24px;
        }
        .scene-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .scene-body p {
            color: var(--text-secondary);
            font-size: .92rem;
            margin-bottom: 16px;
        }
        .scene-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .scene-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: .8rem;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: 999px;
        }
        .scene-meta span i {
            font-size: .75rem;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 48px;
            align-items: start;
        }
        .faq-side {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: clamp(1.5rem, 3vw, 2rem);
        }
        .faq-side h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .faq-side p {
            color: var(--text-secondary);
            font-size: .95rem;
            margin-bottom: 20px;
        }
        .faq-side .btn {
            width: 100%;
        }
        .faq-accordion {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .accordion {
            margin: 0;
            list-style: none;
            background: transparent;
        }
        .accordion-item {
            position: relative;
            border-bottom: 1px solid var(--border);
            background: var(--card);
            transition: background .3s ease;
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--gradient);
            opacity: 0;
            transition: opacity .3s ease;
        }
        .accordion-item.is-active {
            background: #FAF7F4;
        }
        .accordion-item.is-active::before {
            opacity: 1;
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            user-select: none;
            background: transparent;
            min-height: 56px;
        }
        .accordion-title:hover {
            color: var(--primary);
        }
        .accordion-title::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform .3s ease, color .3s ease;
            line-height: 1;
        }
        .accordion-item.is-active .accordion-title::after {
            content: '−';
            color: var(--primary);
        }
        .accordion-content {
            padding: 0 24px 22px;
            background: transparent;
            color: var(--text-secondary);
            font-size: .95rem;
            line-height: 1.8;
        }
        .accordion-content p {
            margin-bottom: 0;
            color: var(--text-secondary);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0 0 clamp(4rem, 8vw, 6.5rem);
        }
        .cta-panel {
            background: var(--gradient);
            border-radius: var(--radius-xl);
            padding: clamp(2.5rem, 6vw, 4.5rem);
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 255, 255, .28), transparent 65%);
            filter: blur(40px);
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(30, 35, 47, .2), transparent 65%);
            filter: blur(40px);
        }
        .cta-panel h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.015em;
            position: relative;
            z-index: 2;
            margin-bottom: 12px;
        }
        .cta-panel p {
            color: rgba(255, 255, 255, .9);
            font-size: 1.06rem;
            max-width: 30em;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }
        .cta-panel .btn-white {
            background: #fff;
            color: var(--dark);
            position: relative;
            z-index: 2;
            box-shadow: 0 10px 30px rgba(30, 35, 47, .18);
        }
        .cta-panel .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(30, 35, 47, .22);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .7);
            padding-top: 60px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .footer-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .footer-logo strong {
            color: #fff;
            font-size: 1.08rem;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: .9rem;
            line-height: 1.8;
            margin-bottom: 18px;
            color: rgba(255, 255, 255, .6);
            max-width: 32em;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .75);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .95rem;
            transition: all .25s ease;
            min-height: 40px;
        }
        .footer-social a:hover {
            background: rgba(255, 255, 255, .18);
            color: #fff;
            border-left: 2px solid var(--primary);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            transition: all .25s ease;
            padding-left: 0;
            border-left: 2px solid transparent;
        }
        .footer-col ul li a:hover {
            color: rgba(255, 255, 255, .9);
            padding-left: 10px;
            border-left-color: var(--primary);
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            margin-bottom: 14px;
        }
        .footer-contact-item i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            font-size: .82rem;
            color: rgba(255, 255, 255, .5);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: space-between;
            align-items: center;
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .module-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-main {
                grid-column: 1 / -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-inner {
                flex-direction: column;
            }
            .hero-media {
                width: 100%;
                max-width: 500px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        @media screen and (max-width: 768px) {
            .nav-panel {
                position: relative;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 14px;
                background: var(--dark);
                border-radius: 12px;
                padding: 10px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                justify-content: flex-start;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .module-grid,
            .steps-grid,
            .scene-grid,
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .step-arrow {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: clamp(2rem, 8vw, 2.75rem);
            }
            .cta-panel {
                padding: 40px 24px;
            }
            .badge-top {
                right: 6px;
            }
            .badge-bottom {
                left: 6px;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-panel {
                padding: 12px 14px;
            }
            .nav-logo-text strong {
                font-size: .95rem;
            }
            .nav-cta .btn {
                padding: 10px 16px;
                font-size: .85rem;
            }
            .hero-trust span {
                font-size: .78rem;
            }
            .hero-media-card img {
                height: 220px;
            }
            .badge {
                min-width: 104px;
                padding: 10px 14px;
            }
            .badge .badge-num {
                font-size: 1.6rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
  --primary: #FF6B35;
  --primary-dark: #E8531F;
  --primary-soft: #FFF1EA;
  --secondary: #0EA5A0;
  --secondary-soft: #E6F4F3;
  --brand-grad: linear-gradient(135deg, #FF6B35 0%, #FF9E58 45%, #0EA5A0 100%);
  --btn-grad: linear-gradient(135deg, #FF6B35, #F04A1A);
  --dark: #1E232F;
  --bg-white: #FFFFFF;
  --bg-warm: #F7F5F2;
  --border: #E8E2DC;
  --text-main: #262B35;
  --text-secondary: #5C6470;
  --text-light: #9AA3AF;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 24px rgba(30,35,47,.06);
  --shadow-hover: 0 16px 40px rgba(30,35,47,.10);
  --shadow-btn: 0 10px 28px rgba(255,107,53,.35);
  --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding-top: 92px;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg-warm);
  -webkit-font-smoothing: antialiased;
}
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure { margin: 0; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; }
ul, ol { padding-left: 1.25rem; }
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: all .25s ease;
}
.btn-primary {
  background: var(--btn-grad);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(255,107,53,.42);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 6px 18px rgba(255,107,53,.3); }
.btn:focus-visible, .nav-link:focus-visible, .nav-toggle:focus-visible, .nav-logo:focus-visible {
  outline: 2px solid rgba(255,107,53,.65);
  outline-offset: 3px;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled {
  background: rgba(30,35,47,.18);
  box-shadow: 0 8px 30px rgba(30,35,47,.08);
}
.nav-panel {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--dark);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  box-shadow: 0 10px 28px rgba(30,35,47,.18);
  transition: box-shadow .3s ease;
  position: relative;
}
.site-header.scrolled .nav-panel { box-shadow: 0 16px 40px rgba(30,35,47,.3); }
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand-grad);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(255,107,53,.3);
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.nav-logo-text strong { color: #fff; font-size: 17px; font-weight: 700; letter-spacing: .01em; }
.nav-logo-text small { color: rgba(255,255,255,.55); font-size: 12px; font-weight: 500; }
.nav-links {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.9);
  font-size: 14.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  border-radius: 999px;
  background: var(--brand-grad);
  opacity: 0;
  transition: opacity .25s ease;
}
.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,.16);
  color: #fff;
  transform: translateY(-1px);
}
.nav-link:hover::after, .nav-link.active::after { opacity: 1; }
.nav-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-sm);
  font-size: 18px;
  transition: background .2s ease, border-color .2s ease;
}
.nav-toggle:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.3); }
.article-hero {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 3rem;
  background:
    radial-gradient(circle at 14% 18%, rgba(255,107,53,.16), transparent 42%),
    radial-gradient(circle at 86% 72%, rgba(14,165,160,.15), transparent 40%),
    linear-gradient(180deg, rgba(255,241,234,.5), rgba(247,245,242,0)),
    var(--bg-warm);
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 2rem;
  font-size: 14px;
  color: var(--text-secondary);
}
.breadcrumb a { color: var(--text-secondary); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--text-light); }
.breadcrumb-current {
  color: var(--text-main);
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-head {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.article-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 1rem;
}
.article-head h1 {
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-main);
  margin: 0 0 .7em;
}
.article-lead {
  max-width: 680px;
  margin: 0 auto 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 22px;
  font-size: 13.5px;
  color: var(--text-light);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i { font-size: 14px; color: var(--text-light); }
.article-not-found {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3rem);
  text-align: center;
  background: #fff;
  border: 2px dashed var(--border);
  border-radius: 32px;
  box-shadow: var(--shadow-card);
}
.article-not-found h1 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin: 0 0 .5rem;
  color: var(--text-main);
}
.article-not-found p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.article-body-section {
  background: var(--bg-warm);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}
.article-content {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: clamp(1.75rem, 4vw, 3rem);
  box-shadow: var(--shadow-card);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-main);
}
.article-content h2 {
  font-size: clamp(1.5rem, 2.2vw, 1.875rem);
  font-weight: 700;
  margin: 1.8em 0 .7em;
  line-height: 1.3;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.5em 0 .6em;
  line-height: 1.4;
}
.article-content p { margin-bottom: 1.2em; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary-dark); }
.article-content ul, .article-content ol { margin: 0 0 1.2em 1.4em; }
.article-content li { margin: .4em 0; }
.article-content strong { color: var(--text-main); font-weight: 600; }
.article-content blockquote {
  margin: 1.6em 0;
  padding: 1.1em 1.4em;
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1.6em 0;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: .95em;
}
.article-content th, .article-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
}
.article-content th {
  background: var(--primary-soft);
  color: var(--text-main);
  font-weight: 600;
}
.article-content code {
  background: #F1EFEC;
  padding: .2em .5em;
  border-radius: 8px;
  font-size: .92em;
}
.article-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 2em 0;
}
.article-bottom-section {
  background: var(--bg-warm);
  padding: 0 0 clamp(3rem, 5vw, 4rem);
}
.article-bottom {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-card);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 1.5rem;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.pager-link {
  flex: 1;
  max-width: 48%;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
}
.pager-link small {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
  margin-bottom: 2px;
}
.pager-link .fa-arrow-left, .pager-link .fa-arrow-right { font-size: 15px; color: var(--primary); flex-shrink: 0; }
.pager-link:hover {
  border-color: rgba(255,107,53,.4);
  background: var(--primary-soft);
  color: var(--primary-dark);
  box-shadow: var(--shadow-card);
}
.pager-next { justify-content: flex-end; text-align: right; }
.related-section {
  background: #fff;
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 2.5rem;
}
.section-tag {
  display: inline-flex;
  padding: 6px 14px;
  background: var(--secondary-soft);
  color: var(--secondary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.section-head h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.125rem);
  font-weight: 700;
  margin-top: .6rem;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: color .2s ease, gap .2s ease;
}
.more-link:hover { color: var(--primary); gap: 12px; }
.related-grid {
  display: flex;
  flex-wrap: wrap;
  margin: -12px;
}
.related-card-cell {
  padding: 12px;
  display: flex;
}
.related-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,107,53,.35);
}
.related-card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-warm);
}
.related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-card-img img { transform: scale(1.03); }
.related-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: clamp(1.25rem, 2vw, 1.5rem);
}
.card-cat {
  align-self: flex-start;
  padding: 5px 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.related-card-body h3 {
  font-size: 1.125rem;
  line-height: 1.45;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-body p {
  flex: 1;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
}
.cta-section {
  background: var(--bg-warm);
  padding: clamp(3rem, 5vw, 4rem) 0;
}
.cta-box {
  position: relative;
  overflow: hidden;
  background: var(--brand-grad);
  border-radius: 32px;
  padding: clamp(2.25rem, 5vw, 4rem);
  text-align: center;
  color: #fff;
  box-shadow: 0 20px 50px rgba(255,107,53,.28);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(255,255,255,.14);
  filter: blur(30px);
  pointer-events: none;
}
.cta-eyebrow {
  position: relative;
  display: inline-block;
  padding: 6px 14px;
  background: rgba(255,255,255,.2);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 1rem;
}
.cta-box h2 {
  position: relative;
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 .6em;
}
.cta-box p {
  position: relative;
  max-width: 520px;
  margin: 0 auto 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(255,255,255,.88);
}
.cta-actions {
  position: relative;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-secondary {
  background: transparent;
  border: 2px solid rgba(255,255,255,.75);
  color: #fff;
}
.btn-secondary:hover {
  background: rgba(255,255,255,.14);
  border-color: #fff;
  transform: translateY(-1px);
}
.btn-white {
  background: #fff;
  color: var(--primary-dark);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(30,35,47,.16);
}
.btn-lg {
  padding: 14px 30px;
  font-size: 1rem;
  border-radius: 14px;
}
.site-footer {
  position: relative;
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: clamp(3rem, 6vw, 4.5rem) 0 0;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--brand-grad);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}
.footer-logo-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand-grad);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  flex-shrink: 0;
}
.footer-logo strong { font-size: 16px; font-weight: 700; }
.footer-brand p {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.75;
  max-width: 320px;
  color: rgba(255,255,255,.6);
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.footer-social a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.75);
  font-size: 15px;
  transition: background .25s ease, color .25s ease;
}
.footer-social a:hover { background: rgba(255,255,255,.16); color: #fff; }
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 1rem;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col li a {
  position: relative;
  display: inline-block;
  padding-left: 14px;
  color: rgba(255,255,255,.65);
  font-size: 14px;
  line-height: 1.6;
  transition: color .25s ease;
}
.footer-col li a::before {
  content: '';
  position: absolute;
  left: 0;
  top: .65em;
  width: 2px;
  height: 12px;
  border-radius: 2px;
  background: var(--brand-grad);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform .25s ease;
}
.footer-col li a:hover { color: rgba(255,255,255,.85); }
.footer-col li a:hover::before { transform: scaleY(1); }
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.65);
  line-height: 1.6;
  word-break: break-all;
}
.footer-contact-item i { color: rgba(255,255,255,.45); flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { padding-top: 84px; }
  .nav-panel { padding: 10px 12px; gap: 10px; }
  .nav-logo-text small { font-size: 11px; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    background: var(--dark);
    border-radius: var(--radius-md);
    box-shadow: 0 24px 48px rgba(30,35,47,.4);
  }
  .nav-links.open { display: flex; }
  .nav-link { width: 100%; justify-content: flex-start; padding: 14px 16px; font-size: 15px; }
  .nav-link::after { display: none; }
  .nav-cta .btn { padding: 10px 18px; font-size: 14px; }
  .article-hero { padding: 2.5rem 0 2rem; }
  .article-meta { gap: 10px 16px; }
  .article-bottom { border-radius: var(--radius-md); }
  .article-pager { flex-direction: column; }
  .pager-link, .pager-next { max-width: 100%; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .related-grid { margin: -8px; }
  .related-card-cell { padding: 8px; width: 100%; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { padding: 16px 12px; line-height: 1.8; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .nav-logo-icon { width: 36px; height: 36px; font-size: 18px; }
  .nav-logo-text strong { font-size: 15px; }
  .nav-cta .btn { padding: 10px 14px; font-size: 13px; }
  .article-head h1 { font-size: 1.65rem; }
  .article-lead { font-size: 1rem; }
  .article-content { padding: 1.4rem; border-radius: var(--radius-lg); }
  .article-content table { font-size: .85em; }
  .article-content th, .article-content td { padding: 8px 10px; }
}

/* roulang page: category2 */
:root {
            --primary: #FF6B35;
            --primary-dark: #E8531F;
            --primary-light: #FFF1EA;
            --secondary: #0EA5A0;
            --secondary-light: #E6F4F3;
            --warm-bg: #F7F5F2;
            --card-bg: #FFFFFF;
            --dark-panel: #1E232F;
            --border: #E8E2DC;
            --text-main: #262B35;
            --text-sub: #5C6470;
            --text-weak: #9AA3AF;
            --success: #F5A623;
            --error: #E5484D;
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 24px rgba(30, 35, 47, .06);
            --shadow-hover: 0 16px 40px rgba(30, 35, 47, .10);
            --shadow-btn: 0 10px 28px rgba(255, 107, 53, .35);
            --gradient-brand: linear-gradient(135deg, #FF6B35 0%, #FF9E58 45%, #0EA5A0 100%);
            --gradient-btn: linear-gradient(135deg, #FF6B35, #F04A1A);
            --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 800;
            line-height: 1.4;
            transition: all .3s ease;
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gradient-btn);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 14px 34px rgba(255, 107, 53, .45);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 18px rgba(255, 107, 53, .3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid rgba(255, 107, 53, .6);
            outline-offset: 3px;
        }

        .btn-secondary-dark {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .6);
            color: rgba(255, 255, 255, .9);
            font-weight: 600;
        }

        .btn-secondary-dark:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .85);
            color: #fff;
        }

        .btn-secondary-dark:active {
            background: rgba(255, 255, 255, .18);
        }

        .btn-lg {
            min-height: 52px;
            padding: 0 32px;
            border-radius: 14px;
            font-size: 1.0625rem;
        }

        .btn-white {
            background: #fff;
            color: var(--dark-panel);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
        }

        .btn-white:hover {
            background: #f0efed;
            transform: translateY(-2px);
            color: var(--dark-panel);
            box-shadow: 0 16px 40px rgba(0, 0, 0, .22);
        }

        /* Site Header */
        .site-header {
            position: relative;
            z-index: 50;
            padding: 16px 0 8px;
            transition: all .3s ease;
        }

        .site-header.is-scrolled {
            position: sticky;
            top: 0;
            background: rgba(30, 35, 47, .85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, .25);
            padding: 10px 0;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: var(--dark-panel);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, .12);
            flex-wrap: wrap;
        }

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

        .nav-logo-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 1.375rem;
            font-weight: 800;
            border-radius: 10px;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, .15);
        }

        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .nav-logo-text strong {
            color: #fff;
            font-size: 1.125rem;
            font-weight: 800;
            letter-spacing: .01em;
        }

        .nav-logo-text small {
            color: rgba(255, 255, 255, .6);
            font-size: .75rem;
            font-weight: 500;
            letter-spacing: .08em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .9);
            font-size: .9375rem;
            font-weight: 600;
            background: rgba(255, 255, 255, .08);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            border-bottom: 2px solid transparent;
            transition: background-color .3s ease, border-color .3s ease, color .3s ease;
        }

        .nav-link i {
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            transition: color .3s ease;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, .16);
            color: #fff;
            border-bottom-color: var(--gradient-brand);
        }

        .nav-link.active {
            background: rgba(255, 255, 255, .14);
            color: #fff;
            border-bottom: 2px solid var(--primary);
        }

        .nav-link.active i {
            color: var(--primary);
        }

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

        .nav-cta .btn {
            padding: 10px 22px;
            font-size: .9375rem;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
            border-radius: 10px;
            background: rgba(255, 255, 255, .1);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .2);
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 72px 0 80px;
            background: var(--dark-panel);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -15%;
            left: -5%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 107, 53, .45) 0%, transparent 70%);
            filter: blur(40px);
            border-radius: 50%;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -8%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(14, 165, 160, .4) 0%, transparent 70%);
            filter: blur(48px);
            border-radius: 50%;
        }

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

        .hero-row {
            align-items: center;
            gap: 40px;
        }

        .hero-left {
            flex: 1;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .6);
            font-size: .875rem;
            margin-bottom: 22px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .7);
            transition: color .3s ease;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb i {
            font-size: .75rem;
            color: rgba(255, 255, 255, .35);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, .95);
            font-weight: 600;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            color: rgba(255, 255, 255, .8);
            font-size: .8125rem;
            font-weight: 600;
            padding: 8px 16px;
            margin-bottom: 18px;
        }

        .hero-tag i {
            color: var(--primary);
        }

        .hero h1 {
            font-size: clamp(2.25rem, 4.5vw, 3.375rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -.02em;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .hero h1 span {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.0625rem;
            color: rgba(255, 255, 255, .75);
            line-height: 1.8;
            margin-bottom: 22px;
            max-width: 520px;
        }

        .hero-btns {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 24px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .trust-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .1);
            border-radius: 999px;
            padding: 6px 14px;
            color: rgba(255, 255, 255, .85);
            font-size: .8125rem;
            font-weight: 600;
        }

        .trust-chip i {
            color: var(--secondary);
        }

        .hero-right {
            flex: 1;
            min-width: 280px;
        }

        .hero-image-wrap {
            position: relative;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 8px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
            border: 1px solid rgba(255, 255, 255, .15);
        }

        .hero-image-wrap img {
            border-radius: 18px;
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .hero-badge-a {
            position: absolute;
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border-radius: 14px;
            padding: 12px 18px;
            box-shadow: 0 14px 36px rgba(0, 0, 0, .16);
        }

        .hero-badge-a .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            font-family: "DIN Alternate", "Bahnschrift", system-ui;
        }

        .hero-badge-a .label {
            font-size: .75rem;
            font-weight: 500;
            color: var(--text-sub);
            line-height: 1.4;
        }

        .hero-badge-a .icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
        }

        .hero-badge-a.top {
            top: 16px;
            right: 16px;
        }

        .hero-badge-a.bottom {
            bottom: 16px;
            left: 16px;
        }

        /* Sections */
        .section {
            padding: clamp(4rem, 8vw, 6.5rem) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto clamp(2.5rem, 5vw, 3.5rem);
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: .875rem;
            font-weight: 700;
            letter-spacing: .06em;
            text-transform: uppercase;
            background: var(--primary-light);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(1.75rem, 2.5vw, 2.25rem);
            font-weight: 700;
            letter-spacing: -.01em;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head p {
            font-size: 1.0625rem;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* Guarantee Cards */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guarantee-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: clamp(1.5rem, 3vw, 2rem);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
            position: relative;
            overflow: hidden;
        }

        .guarantee-card::before {
            content: '';
            display: block;
            width: 100%;
            height: 5px;
            background: var(--gradient-brand);
            border-radius: 999px;
            margin-bottom: 20px;
            opacity: .85;
        }

        .guarantee-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 107, 53, .35);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.25rem;
            border-radius: 14px;
            margin-bottom: 16px;
        }

        .guarantee-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .guarantee-card p {
            font-size: .9375rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* Service Detail */
        .detail-section {
            background: var(--secondary-light);
        }

        .detail-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 40px;
            align-items: center;
        }

        .detail-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: clamp(2rem, 4vw, 3rem);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .detail-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(14, 165, 160, .12) 0%, transparent 70%);
            border-radius: 50%;
        }

        .detail-card h3 {
            font-size: 1.625rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .detail-card p {
            color: var(--text-sub);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .detail-points {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .detail-point {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: .9375rem;
            color: var(--text-main);
            font-weight: 500;
        }

        .detail-point i {
            color: var(--secondary);
            margin-top: 4px;
            font-size: .9375rem;
        }

        .detail-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            border: 6px solid rgba(255, 255, 255, .8);
        }

        .detail-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        /* Scene Cards */
        .scene-section {
            background: var(--warm-bg);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: clamp(1.5rem, 3vw, 2rem);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: transform .35s ease, box-shadow .35s ease;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .scene-num {
            font-family: "DIN Alternate", "Bahnschrift", system-ui;
            font-size: 2.25rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .scene-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .scene-card p {
            color: var(--text-sub);
            font-size: .9375rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            background: var(--secondary-light);
            color: var(--secondary);
            border-radius: 999px;
            font-size: .8125rem;
            font-weight: 600;
            padding: 5px 14px;
        }

        /* Process */
        .process-section {
            background: var(--dark-panel);
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 107, 53, .25) 0%, transparent 70%);
            border-radius: 50%;
            filter: blur(30px);
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head p {
            color: rgba(255, 255, 255, .6);
        }

        .process-section .section-eyebrow {
            background: rgba(255, 107, 53, .18);
            color: #FF9E58;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .process-step {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: left;
            transition: background-color .3s ease, border-color .3s ease, transform .3s ease;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 107, 53, .5);
            transform: translateY(-4px);
        }

        .process-step .step-num {
            font-family: "DIN Alternate", "Bahnschrift", system-ui;
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            display: block;
            margin-bottom: 10px;
        }

        .process-step h3 {
            color: #fff;
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .process-step p {
            color: rgba(255, 255, 255, .6);
            font-size: .875rem;
            line-height: 1.65;
        }

        /* Stats / Trust */
        .stats-band {
            background: var(--warm-bg);
            padding: clamp(2rem, 4vw, 3rem) 0;
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border-left: 5px solid var(--gradient-brand);
        }

        .stat-item .stat-num {
            font-family: "DIN Alternate", "Bahnschrift", system-ui;
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
            display: block;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: .875rem;
            color: var(--text-sub);
            font-weight: 500;
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: clamp(1.5rem, 3vw, 2rem);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 4px;
            right: 20px;
            font-family: Georgia, serif;
            font-size: 6rem;
            color: var(--primary-light);
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-stars {
            display: flex;
            gap: 3px;
            color: var(--success);
            font-size: .9375rem;
            margin-bottom: 12px;
        }

        .testimonial-card blockquote {
            font-size: .9375rem;
            color: var(--text-main);
            line-height: 1.7;
            margin: 0 0 18px;
            font-style: normal;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.125rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-author .name {
            font-size: .9375rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .testimonial-author .role {
            font-size: .8125rem;
            color: var(--text-weak);
        }

        /* FAQ */
        .faq-section {
            background: var(--warm-bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 340px 1fr;
            gap: 40px;
            align-items: start;
        }

        .faq-side h2 {
            font-size: clamp(1.75rem, 2.5vw, 2.125rem);
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .faq-side p {
            color: var(--text-sub);
            margin-bottom: 20px;
        }

        .faq-support-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }

        .faq-support-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .faq-support-card p {
            font-size: .875rem;
            margin-bottom: 14px;
        }

        .faq-support-card .btn {
            width: 100%;
            padding: 12px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .3s ease, border-color .3s ease;
        }

        .faq-item:hover {
            border-color: rgba(255, 107, 53, .3);
        }

        .faq-item.active {
            box-shadow: 0 12px 32px rgba(30, 35, 47, .08);
            border-color: rgba(255, 107, 53, .35);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 20px 18px 22px;
            text-align: left;
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
            position: relative;
            transition: color .3s ease;
        }

        .faq-question::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--gradient-brand);
            border-radius: 0 4px 4px 0;
            opacity: 0;
            transition: opacity .3s ease;
        }

        .faq-item.active .faq-question::before {
            opacity: 1;
        }

        .faq-item.active .faq-question {
            color: var(--primary-dark);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-weak);
            transition: transform .4s ease, color .3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .45s cubic-bezier(.4, 0, .2, 1);
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: .9375rem;
            color: var(--text-sub);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* CTA */
        .cta-section {
            padding: clamp(4rem, 8vw, 6rem) 0;
            background: var(--warm-bg);
        }

        .cta-card {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: clamp(2.5rem, 6vw, 4.5rem);
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 30px 70px rgba(255, 107, 53, .35);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -100px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, .12);
            border-radius: 50%;
            filter: blur(40px);
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -.01em;
            position: relative;
            z-index: 2;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .85);
            font-size: 1.0625rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }

        .cta-card .btn {
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-panel);
            color: rgba(255, 255, 255, .75);
            padding-top: 60px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-brand);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-brand);
            color: #fff;
            border-radius: 8px;
            font-weight: 800;
        }

        .footer-brand .footer-logo strong {
            color: #fff;
            font-size: 1.125rem;
        }

        .footer-brand p {
            font-size: .875rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border-radius: 10px;
            color: rgba(255, 255, 255, .8);
            transition: background-color .3s ease, color .3s ease;
        }

        .footer-social a:hover {
            background: rgba(255, 255, 255, .18);
            color: #fff;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--gradient-brand);
            border-radius: 2px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, .6);
            font-size: .875rem;
            transition: color .3s ease, padding-left .3s ease;
            display: inline-block;
        }

        .footer-col ul a:hover {
            color: rgba(255, 255, 255, .9);
            padding-left: 8px;
            border-left: 2px solid var(--primary);
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
        }

        .footer-contact-item i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
            font-size: .8125rem;
            color: rgba(255, 255, 255, .45);
        }

        /* Responsive */
        @media screen and (max-width: 1023px) {
            .nav-links {
                order: 3;
                flex-basis: 100%;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                padding-top: 14px;
                border-top: 1px solid rgba(255, 255, 255, .08);
                margin-top: 8px;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                justify-content: flex-start;
                padding: 14px 16px;
            }

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

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

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .detail-grid {
                grid-template-columns: 1fr;
            }

            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .faq-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero {
                padding: 50px 0 60px;
            }
        }

        @media screen and (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-panel {
                padding: 10px 14px;
                gap: 12px;
            }

            .nav-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1.125rem;
            }

            .nav-logo-text strong {
                font-size: 1rem;
            }

            .nav-cta {
                gap: 8px;
            }

            .hero {
                padding: 40px 0 48px;
            }

            .hero h1 {
                font-size: clamp(1.875rem, 7vw, 2.5rem);
            }

            .hero-desc {
                font-size: .9375rem;
            }

            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-btns .btn {
                width: 100%;
            }

            .hero-trust {
                gap: 8px;
            }

            .hero-badge-a {
                padding: 8px 12px;
                border-radius: 12px;
            }

            .hero-badge-a .num {
                font-size: 1.375rem;
            }

            .hero-badge-a .icon {
                width: 28px;
                height: 28px;
                font-size: .875rem;
            }

            .hero-badge-a .label {
                font-size: .6875rem;
            }

            .section {
                padding: 3.25rem 0;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-item {
                padding: 20px 12px;
            }

            .stat-item .stat-num {
                font-size: 1.875rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .faq-question {
                font-size: .9375rem;
                padding: 16px 16px 16px 18px;
            }

            .cta-card {
                padding: 2rem 1.25rem;
            }

            .cta-card .btn {
                width: 100%;
            }
        }