:root {
    --bg: #f7f3ec;
    --paper: #fffaf2;
    --ink: #1f2a30;
    --muted: #647178;
    --line: #e5dccf;
    --brand: #a8512d;
    --brand-dark: #75371f;
    --accent: #d9a441;
    --soft: #efe3d2;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--bg); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: rgba(255, 250, 242, 0.96); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(10px); }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 78px; }
.brand-logo { display: inline-flex; align-items: center; gap: 12px; font-size: 1.35rem; font-weight: 800; }
.brand-logo img { border-radius: 14px; box-shadow: 0 10px 24px rgba(117, 55, 31, .18); }
.brand-logo strong { color: var(--brand); margin-left: 4px; }
.top-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; font-weight: 700; color: #37464d; }
.top-nav a { padding: 8px 0; border-bottom: 2px solid transparent; }
.top-nav a:hover { color: var(--brand); border-color: var(--brand); }
.search-strip { border-top: 1px solid rgba(229, 220, 207, .7); background: #fffdf8; }
.search-form { display: grid; grid-template-columns: auto 1fr auto auto; gap: 10px; align-items: center; padding: 12px 0; }
.search-form label { font-weight: 700; color: var(--brand-dark); }
.search-form input { width: 100%; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 11px 16px; font-size: 1rem; }
.search-form button, .btn { border: 0; border-radius: 999px; padding: 12px 20px; font-weight: 800; cursor: pointer; display: inline-flex; justify-content: center; align-items: center; }
.search-form button, .btn.primary { background: var(--brand); color: white; box-shadow: 0 14px 28px rgba(168, 81, 45, .24); }
.btn.secondary { background: #fff; color: var(--brand-dark); border: 1px solid var(--line); }
#searchNotice { color: var(--muted); font-size: .92rem; }
.hero { padding: 72px 0 54px; background: radial-gradient(circle at top right, #f4cf8d 0, rgba(244,207,141,.14) 34%, transparent 54%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); gap: 36px; align-items: center; }
.eyebrow { color: var(--brand); font-weight: 900; letter-spacing: .04em; margin: 0 0 10px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 14px; }
h1 { font-size: clamp(2.2rem, 5vw, 4.8rem); letter-spacing: -.06em; }
h2 { font-size: clamp(1.65rem, 3vw, 2.55rem); letter-spacing: -.03em; }
h3 { font-size: 1.18rem; }
.hero-lead, .page-hero p { color: #3e4d54; font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.trust-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 0; margin: 0; list-style: none; }
.trust-list li { background: rgba(255,255,255,.74); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; font-weight: 700; }
.hero-card { background: var(--paper); padding: 14px; border: 1px solid var(--line); border-radius: 28px; box-shadow: 0 24px 60px rgba(40, 35, 28, .12); }
.hero-card img { border-radius: 20px; object-fit: cover; aspect-ratio: 1.5 / 1; }
.consultant-note { padding: 18px 12px 8px; }
.section { padding: 76px 0; }
.section.muted { background: var(--soft); }
.section-heading { max-width: 760px; margin: 0 auto 32px; text-align: center; }
.section-heading.left { margin-left: 0; text-align: left; }
.section-heading p { color: var(--muted); }
.video-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.video-grid.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.video-card { background: var(--paper); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: 0 16px 40px rgba(40, 35, 28, .08); transition: transform .2s ease, box-shadow .2s ease; }
.video-card:hover, .video-card:focus-within { transform: translateY(-4px); box-shadow: 0 24px 46px rgba(40, 35, 28, .14); }
.video-card figure { margin: 0; position: relative; background: #2d211b; }
.video-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: opacity .2s ease, transform .2s ease; }
.video-card:hover img, .video-card:focus img { opacity: .72; transform: scale(1.03); }
.play-button { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%) scale(.84); background: rgba(255, 255, 255, .94); color: var(--brand-dark); border-radius: 999px; padding: 12px 18px; font-weight: 900; opacity: 0; transition: opacity .2s ease, transform .2s ease; }
.video-card:hover .play-button, .video-card:focus .play-button { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-info { padding: 18px; }
.video-info p { color: var(--muted); margin: 8px 0; }
.video-tags { color: var(--brand-dark) !important; font-weight: 700; }
.metrics { font-size: .94rem; }
.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.info-card, .step-card, .scene-list article, .proof-panel, .article-grid article, .contact-list { background: var(--paper); border: 1px solid var(--line); border-radius: 24px; padding: 24px; box-shadow: 0 12px 32px rgba(40,35,28,.07); }
.icon-badge { width: 44px; height: 44px; display: inline-grid; place-items: center; border-radius: 14px; background: var(--brand); color: white; font-weight: 900; margin-bottom: 14px; }
.scene-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: step; }
.step-card span { display: inline-flex; color: var(--brand); font-weight: 900; margin-bottom: 12px; }
.two-column { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 30px; align-items: start; }
.timeline { display: grid; gap: 14px; }
.timeline article { border-left: 4px solid var(--brand); padding: 8px 0 8px 18px; background: rgba(255,255,255,.42); border-radius: 0 18px 18px 0; }
.timeline time { color: var(--brand); font-weight: 900; }
.proof-panel ul { padding-left: 20px; }
.faq-list { display: grid; gap: 12px; max-width: 880px; margin: 0 auto; }
details { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; }
summary { cursor: pointer; font-weight: 900; color: var(--brand-dark); }
details p { color: var(--muted); margin-bottom: 0; }
.review-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
blockquote { margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 22px; padding: 22px; }
blockquote p { margin-top: 0; color: #38464d; }
blockquote cite { color: var(--brand-dark); font-style: normal; font-weight: 900; }
.contact-band { background: linear-gradient(135deg, var(--brand-dark), var(--brand)); color: white; }
.contact-band .eyebrow, .contact-band p { color: rgba(255,255,255,.84); }
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(320px, .7fr); gap: 30px; align-items: start; }
.lead-form { background: var(--paper); color: var(--ink); border-radius: 24px; padding: 24px; display: grid; gap: 14px; box-shadow: 0 20px 50px rgba(0,0,0,.16); }
.lead-form label { display: grid; gap: 6px; font-weight: 800; }
.lead-form input { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font-size: 1rem; }
.page-hero { padding: 54px 0; background: linear-gradient(180deg, #fff8eb, var(--bg)); border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); margin-bottom: 18px; font-weight: 700; }
.domain-line { background: rgba(255,255,255,.72); border: 1px solid var(--line); display: inline-flex; padding: 10px 14px; border-radius: 999px; }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.site-footer { background: #1f2a30; color: white; padding: 48px 0 18px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .9fr .7fr; gap: 28px; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.75); }
.site-footer a { display: block; margin: 6px 0; }
.footer-logo { margin-bottom: 12px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 28px; padding-top: 14px; font-size: .94rem; }
@media (max-width: 980px) {
    .header-inner, .hero-grid, .two-column, .contact-grid, .footer-grid { grid-template-columns: 1fr; display: grid; }
    .top-nav { justify-content: flex-start; }
    .search-form { grid-template-columns: 1fr; }
    .video-grid, .video-grid.compact, .card-grid, .scene-list, .steps, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .container { width: min(100% - 22px, 1180px); }
    .hero { padding-top: 42px; }
    h1 { font-size: 2.1rem; }
    .trust-list, .video-grid, .video-grid.compact, .card-grid, .scene-list, .steps, .review-grid, .article-grid { grid-template-columns: 1fr; }
    .section { padding: 52px 0; }
    .top-nav { gap: 10px; font-size: .92rem; }
}