:root {
    --bg: #0a0a0a;
    --surface: #121212;
    --surface-2: #161616;
    --card: #141414;
    --fg: rgba(253,251,247,0.92);
    --fg-strong: #fdfbf7;
    --muted: rgba(253,251,247,0.72);
    --muted-2: rgba(253,251,247,0.5);
    --border: #1f1f1f;
    --border-soft: #1a1a1a;
    --accent: #b8302a;
    --accent-hover: #9c2823;
    --gold: #c9a227;
    --serif: "Noto Serif SC", serif;
    --sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--sans);
    font-weight: 300;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  /* 顶部一道朱砂红,像传统印泥/朱批 */
  .topline { height: 2px; background: linear-gradient(90deg, var(--accent) 0%, var(--gold) 100%); }
  a { color: inherit; text-decoration: none; }
  .container { max-width: 1240px; margin: 0 auto; padding: 0 40px; }

  /* 顶部广告词条已并入导航中部 (nav-slogan) */

  /* === 导航 === */
  .nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,10,10,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 40px;
    gap: 24px;
  }
  .brand-block { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; flex-shrink: 0; }
  .nav-logo { height: 92px; width: auto; display: block; filter: brightness(1.35) contrast(1.1) saturate(1.15); }
  .nav-tagline {
    font-size: 8px;
    letter-spacing: 2.5px;
    color: var(--muted-2);
    text-transform: uppercase;
    white-space: nowrap;
  }
  /* 导航中部广告词(与logo同一水平线, 居中) */
  .nav-slogan {
    flex: 1;
    text-align: center;
    font-family: var(--serif);
    font-size: 34px;
    color: var(--gold);
    letter-spacing: 6px;
    font-weight: 700;
    white-space: nowrap;
    line-height: 1.2;
  }
  .nav-slogan em { font-style: normal; color: var(--fg-strong); }

  .nav-links { display: flex; gap: 26px; align-items: center; }
  .nav-links a {
    font-size: 12px;
    letter-spacing: 2.5px;
    font-weight: 400;
    color: var(--muted);
    transition: color 0.25s;
    padding: 4px 0;
  }
  .nav-links a:hover { color: var(--gold); }
  .nav-cta {
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 8px 20px;
    font-size: 12px;
    letter-spacing: 2px;
    transition: all 0.3s;
  }
  .nav-cta:hover { background: var(--gold); color: #0a0a0a; }

  /* === Hero === */
  .hero {
    position: relative;
    padding: 120px 0 90px;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
  }
  /* 动态视频背景 */
  .hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
  }
  /* 半透明遮罩保证文字可读 */
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,10,10,0.30) 0%, rgba(10,10,10,0.55) 60%, rgba(10,10,10,0.85) 100%);
    z-index: 0;
    pointer-events: none;
  }
  /* 双光晕: 朱砂红 + 金色 */
  .hero::before {
    content: '';
    position: absolute;
    top: -280px;
    left: -180px;
    width: 780px;
    height: 780px;
    background: radial-gradient(circle, rgba(184,48,42,0.22) 0%, rgba(184,48,42,0) 70%);
    pointer-events: none;
    z-index: 0;
  }
  .hero::after {
    content: '';
    position: absolute;
    bottom: -300px;
    right: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(201,162,39,0.12) 0%, rgba(201,162,39,0) 70%);
    pointer-events: none;
    z-index: 0;
  }
  .hero .container { position: relative; z-index: 2; }
  .hero-kicker {
    font-size: 13px;
    letter-spacing: 5px;
    color: var(--gold);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .hero-kicker::before {
    content: '';
    width: 44px;
    height: 1px;
    background: var(--gold);
  }
  .hero h1 {
    font-family: var(--serif);
    font-size: 64px;
    line-height: 1.22;
    font-weight: 700;
    color: var(--fg-strong);
    max-width: 860px;
    letter-spacing: 2px;
    margin-bottom: 32px;
  }
  .hero h1 .gold { color: var(--gold); }
  .hero h1 .red { color: var(--accent); }
  .hero-sub {
    font-size: 17px;
    color: var(--muted);
    max-width: 640px;
    line-height: 1.9;
    margin-bottom: 44px;
  }
  .hero-sub strong { color: var(--fg-strong); font-weight: 500; }
  .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
  .btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid transparent;
  }
  .btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 24px rgba(184,48,42,0.35);
  }
  .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(184,48,42,0.45); }
  .btn-gold {
    border: 1px solid var(--gold);
    color: var(--gold);
  }
  .btn-gold:hover { background: var(--gold); color: #0a0a0a; transform: translateY(-2px); }

  /* === 信任数据条 === */
  .trust {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
  }
  .trust-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
  }
  .trust-item {
    padding: 36px 24px;
    text-align: center;
    border-right: 1px solid var(--border);
  }
  .trust-item:last-child { border-right: none; }
  .trust-num {
    font-family: var(--serif);
    font-size: 52px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 8px;
  }
  .trust-num small { font-size: 26px; }
  .trust-label {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 2px;
  }

  /* === Section 通用 === */
  section { padding: 84px 0; border-bottom: 1px solid var(--border); position: relative; }
  .section-tag {
    font-size: 12px;
    color: var(--gold);
    letter-spacing: 5px;
    margin-bottom: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .section-tag::before {
    content: '';
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--gold);
  }
  h2 {
    font-family: var(--serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--fg-strong);
    margin-bottom: 18px;
    max-width: 860px;
    line-height: 1.3;
    letter-spacing: 2px;
  }
  .section-lead {
    font-size: 16px;
    color: var(--muted);
    max-width: 760px;
    margin-bottom: 48px;
    line-height: 1.9;
  }

  /* === WHY 区块 === */
  .why-block { margin-bottom: 48px; }
  .why-block:last-child { margin-bottom: 0; }
  .why-block-title {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 500;
    color: var(--fg-strong);
    letter-spacing: 2px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .why-block-title .badge {
    font-family: var(--sans);
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 2px;
    border: 1px solid var(--gold);
    padding: 3px 12px;
  }
  .why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
  }
  .why-card {
    background: var(--card);
    padding: 30px 28px;
    transition: all 0.35s;
  }
  .why-card:hover { background: var(--surface-2); transform: translateY(-3px); }
  .why-num {
    font-family: var(--serif);
    font-size: 34px;
    color: var(--gold);
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -1px;
  }
  .why-card h4 {
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 500;
    color: var(--fg-strong);
    margin-bottom: 12px;
    letter-spacing: 1px;
  }
  .why-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
  .why-insight {
    background: var(--card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold);
    padding: 36px 40px;
    position: relative;
  }
  .why-insight::before {
    content: '“';
    position: absolute;
    top: -18px;
    left: 28px;
    font-family: var(--serif);
    font-size: 88px;
    color: var(--gold);
    opacity: 0.35;
  }
  .why-claim {
    font-family: var(--serif);
    font-size: 22px;
    color: var(--fg-strong);
    line-height: 1.65;
    margin-bottom: 24px;
    letter-spacing: 1px;
  }
  .why-claim .gold { color: var(--gold); font-weight: 700; }
  .why-list { list-style: none; }
  .why-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-soft);
    font-size: 15px;
    color: var(--fg);
  }
  .why-list li:last-child { border-bottom: none; }
  .why-list li strong { color: var(--fg-strong); font-weight: 500; margin-right: 8px; }
  .why-outro {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 15px;
    color: var(--fg);
    line-height: 1.9;
  }
  .why-outro strong { color: var(--gold); font-weight: 500; }

  /* === 服务卡片 === */
  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
  }
  .service-card {
    background: var(--card);
    padding: 36px 32px;
    transition: all 0.35s;
    position: relative;
  }
  .service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--gold));
    transition: width 0.4s;
  }
  .service-card:hover { background: var(--surface-2); transform: translateY(-4px); }
  .service-card:hover::after { width: 100%; }
  .service-icon {
    width: 52px;
    height: 52px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    color: var(--gold);
    background: var(--surface);
    transition: all 0.3s;
  }
  .service-card:hover .service-icon { border-color: var(--gold); }
  .service-icon svg { width: 24px; height: 24px; }
  .service-card h4 {
    font-family: var(--serif);
    font-size: 21px;
    font-weight: 500;
    color: var(--fg-strong);
    margin-bottom: 12px;
    letter-spacing: 1px;
  }
  .service-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
  .service-card .en {
    font-size: 11px;
    color: var(--muted-2);
    letter-spacing: 2px;
    margin-top: 14px;
    text-transform: uppercase;
  }

  /* === 方法论 === */
  .method-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
  }
  .method-card {
    background: var(--card);
    padding: 34px 36px;
    transition: all 0.35s;
  }
  .method-card:hover { background: var(--surface-2); transform: translateY(-3px); }
  .method-card .meta {
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 3px;
    margin-bottom: 14px;
    font-weight: 500;
  }
  .method-card h3 {
    font-family: var(--serif);
    font-size: 25px;
    margin-bottom: 14px;
    font-weight: 500;
    color: var(--fg-strong);
    letter-spacing: 1px;
  }
  .method-card p { color: var(--muted); font-size: 14px; line-height: 1.8; }
  .method-card .stars { font-size: 11px; color: var(--gold); letter-spacing: 2px; margin-top: 16px; }

  /* === 案例 === */
  .cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
  }
  .case-card {
    background: var(--card);
    padding: 36px 28px;
    transition: all 0.35s;
  }
  .case-card:hover { background: var(--surface-2); transform: translateY(-4px); }
  .case-num {
    font-family: var(--serif);
    font-size: 44px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 16px;
  }
  .case-num small { font-size: 20px; color: var(--gold); }
  .case-card h4 {
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 500;
    color: var(--fg-strong);
    margin-bottom: 10px;
    letter-spacing: 1px;
  }
  .case-card p { font-size: 13px; color: var(--muted); line-height: 1.75; }

  /* === 流程时间线 === */
  .process-flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: var(--border);
  }
  .process-step {
    background: var(--card);
    padding: 34px 24px;
    position: relative;
    transition: all 0.35s;
  }
  .process-step:hover { background: var(--surface-2); }
  .process-step .num {
    font-family: var(--serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 18px;
    letter-spacing: -1px;
  }
  .process-step h4 {
    font-family: var(--serif);
    font-size: 19px;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--fg-strong);
    letter-spacing: 1px;
  }
  .process-step p { font-size: 12.5px; color: var(--muted); line-height: 1.75; }

  /* === 团队 === */
  .team-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
  }
  .member {
    background: var(--card);
    padding: 44px 44px;
  }
  .member-head {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
  }
  .avatar {
    width: 64px;
    height: 64px;
    border: 1px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 26px;
    color: var(--gold);
    font-weight: 500;
  }
  .member h3 {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 500;
    color: var(--fg-strong);
    margin-bottom: 4px;
    letter-spacing: 2px;
  }
  .member .role { font-size: 12px; color: var(--gold); letter-spacing: 2px; }
  .member .years {
    font-family: var(--serif);
    font-size: 72px;
    color: var(--gold);
    margin: 18px 0 4px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -2px;
  }
  .member .years-unit { font-size: 14px; color: var(--muted); margin-bottom: 22px; letter-spacing: 2px; }
  .member .bio { font-size: 14px; color: var(--fg); margin-bottom: 22px; line-height: 1.9; }
  .skills { display: flex; flex-wrap: wrap; gap: 8px; }
  .skill {
    border: 1px solid var(--border);
    padding: 6px 14px;
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 1px;
    transition: all 0.3s;
  }
  .skill:hover { border-color: var(--gold); color: var(--gold); }

  /* === 定价 === */
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
  }
  .price-card {
    background: var(--card);
    padding: 36px 32px;
    transition: all 0.35s;
  }
  .price-card:hover { background: var(--surface-2); transform: translateY(-4px); }
  .price-card.featured {
    background: var(--surface-2);
    border-top: 2px solid var(--gold);
    position: relative;
  }
  .price-card.featured::before {
    content: '推荐';
    position: absolute;
    top: 0;
    right: 0;
    background: var(--gold);
    color: #0a0a0a;
    font-size: 11px;
    letter-spacing: 2px;
    padding: 4px 14px;
  }
  .price-card .meta { font-size: 11px; color: var(--gold); letter-spacing: 3px; margin-bottom: 14px; font-weight: 500; }
  .price-card .price {
    font-family: var(--serif);
    font-size: 44px;
    color: var(--fg-strong);
    margin: 14px 0;
    font-weight: 700;
    letter-spacing: -1px;
  }
  .price-card .scale { font-size: 13px; color: var(--fg-strong); font-weight: 500; margin-bottom: 14px; }
  .price-card p { font-size: 13px; color: var(--muted); margin-bottom: 10px; line-height: 1.7; }
  .price-card .stars { font-size: 11px; color: var(--muted-2); letter-spacing: 1px; margin-top: 16px; }
  .price-card .why-list { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 16px; }
  .price-card .why-list div { font-size: 13px; color: var(--fg); margin-bottom: 8px; line-height: 1.7; }

  /* === 联系 === */
  .contact-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 44px 48px;
    max-width: 860px;
  }
  .contact-row {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
  }
  .contact-row:last-child { border-bottom: none; }
  .contact-label { color: var(--muted); font-size: 13px; letter-spacing: 1px; }
  .contact-value { color: var(--fg-strong); font-size: 15px; font-weight: 400; }
  .contact-value.pending { color: var(--muted-2); font-style: italic; }

  /* === CTA 横幅 === */
  .cta-band {
    background: linear-gradient(135deg, #14100c 0%, #1c120d 40%, #241510 100%);
    border-bottom: none;
    padding: 90px 0;
    position: relative;
    overflow: hidden;
  }
  .cta-band::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(184,48,42,0.25) 0%, rgba(184,48,42,0) 70%);
    pointer-events: none;
  }
  .cta-band .container { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }
  .cta-title {
    font-family: var(--serif);
    font-size: 38px;
    font-weight: 700;
    color: var(--fg-strong);
    letter-spacing: 2px;
    line-height: 1.35;
    margin-bottom: 14px;
  }
  .cta-title .gold { color: var(--gold); }
  .cta-sub { font-size: 15px; color: var(--muted); max-width: 560px; line-height: 1.8; }

  footer {
    padding: 0;
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 1px;
    background: var(--surface);
  }
  footer .gold { color: var(--gold); }

  /* === Footer Newsletter === */
  .footer-newsletter {
    border-bottom: 1px solid var(--border);
    padding: 56px 0;
    background: var(--card);
    position: relative;
    overflow: hidden;
  }
  .footer-newsletter::before {
    content: '';
    position: absolute;
    top: -180px;
    left: -120px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201,162,39,0.10) 0%, rgba(201,162,39,0) 70%);
    pointer-events: none;
  }
  .newsletter-inner { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
  .newsletter-title {
    font-family: var(--serif);
    font-size: 26px;
    font-weight: 500;
    color: var(--fg-strong);
    letter-spacing: 1px;
    margin-bottom: 8px;
  }
  .newsletter-sub { font-size: 13px; color: var(--muted); max-width: 480px; line-height: 1.8; }
  .newsletter-form { display: flex; gap: 0; }
  .newsletter-form input {
    background: var(--bg);
    border: 1px solid var(--border);
    border-right: none;
    color: var(--fg-strong);
    font-family: var(--sans);
    font-size: 13px;
    padding: 13px 18px;
    width: 280px;
    outline: none;
    letter-spacing: 1px;
  }
  .newsletter-form input::placeholder { color: var(--muted-2); }
  .newsletter-form button {
    background: var(--accent);
    border: none;
    color: #fff;
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 2px;
    padding: 13px 28px;
    cursor: pointer;
    transition: background 0.3s;
  }
  .newsletter-form button:hover { background: var(--accent-hover); }

  /* === Footer Grid === */
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr 1.2fr;
    gap: 0;
    padding: 52px 0 40px;
    border-bottom: 1px solid var(--border);
  }
  .footer-col { padding-right: 24px; }
  .footer-col h5 {
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 3px;
    font-weight: 500;
    margin-bottom: 20px;
    text-transform: uppercase;
  }
  .footer-col a {
    display: block;
    font-size: 12.5px;
    color: var(--muted);
    letter-spacing: 0.5px;
    padding: 6px 0;
    transition: color 0.25s;
  }
  .footer-col a:hover { color: var(--gold); }
  .footer-col .group-label {
    font-size: 10px;
    color: var(--muted-2);
    letter-spacing: 2px;
    margin: 14px 0 4px;
    text-transform: uppercase;
  }
  .footer-col .contact-line {
    font-size: 12.5px;
    color: var(--muted);
    padding: 6px 0;
    line-height: 1.7;
  }
  .footer-col .contact-line strong { color: var(--fg-strong); font-weight: 400; }
  .footer-logo { height: 56px; width: auto; display: block; margin-bottom: 16px; filter: brightness(1.3) contrast(1.08) saturate(1.1); }
  .footer-brand { font-size: 12px; color: var(--muted); line-height: 1.8; letter-spacing: 0.5px; }
  .footer-social { display: flex; gap: 10px; margin-top: 20px; }
  .footer-social a {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    transition: all 0.3s;
  }
  .footer-social a:hover { border-color: var(--gold); color: var(--gold); }
  .footer-social svg { width: 15px; height: 15px; }

  .footer-bottom {
    padding: 26px 0;
  }
  .footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }

  /* === 响应式 === */
  @media (max-width: 980px) {
    .hero h1 { font-size: 40px; }
    h2 { font-size: 30px; }
    .trust-grid { grid-template-columns: repeat(3, 1fr); }
    .trust-item:nth-child(3) { border-right: none; }
    .trust-item:nth-child(n+4) { border-top: 1px solid var(--border); }
    .why-grid, .services-grid, .method-grid, .team-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr 1fr; }
    .pricing-grid { grid-template-columns: 1fr 1fr; }
    .process-flow { grid-template-columns: 1fr 1fr; }
    .container { padding: 0 24px; }
    .nav .container { padding: 10px 24px; }
    .nav-links { display: none; }
    .nav-slogan { font-size: 22px; letter-spacing: 3px; }
    section { padding: 56px 0; }
    .hero { padding: 72px 0 56px; }
    .cta-band { padding: 60px 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .newsletter-inner { flex-direction: column; align-items: flex-start; }
    .newsletter-form { width: 100%; }
    .newsletter-form input { flex: 1; width: auto; }
  }
  @media (max-width: 560px) {
    .trust-grid { grid-template-columns: 1fr 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .process-flow { grid-template-columns: 1fr; }
    .hero h1 { font-size: 32px; }
    .member { padding: 30px 26px; }
  }

/* ===== 子页面 ===== */
.page-hero {
  position: relative;
  padding: 84px 0 56px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -260px;
  right: -160px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(201,162,39,0.12) 0%, rgba(201,162,39,0) 70%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .crumb {
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 3px;
  margin-bottom: 18px;
}
.page-hero .crumb a:hover { color: var(--gold); }
.page-hero h1 {
  font-family: var(--serif);
  font-size: 52px;
  font-weight: 700;
  color: var(--fg-strong);
  letter-spacing: 2px;
  line-height: 1.25;
  margin-bottom: 18px;
}
.page-hero h1 .gold { color: var(--gold); }
.page-hero .lead {
  font-size: 16px;
  color: var(--muted);
  max-width: 720px;
  line-height: 1.9;
}
.nav-links a.active { color: var(--gold); border-bottom: 1px solid var(--gold); }

/* 主页入口卡片 */
.entry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}
.entry-card {
  background: var(--card);
  padding: 40px 32px;
  transition: all 0.35s;
  display: block;
}
.entry-card:hover { background: var(--surface-2); transform: translateY(-4px); }
.entry-card .num {
  font-family: var(--serif);
  font-size: 30px;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 14px;
}
.entry-card h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--fg-strong);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.entry-card p { font-size: 14px; color: var(--muted); line-height: 1.8; margin-bottom: 18px; }
.entry-card .more {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 2px;
}
.entry-card .more::after { content: ' →'; }

/* 亮点卡 (主页紧凑) */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.highlight-card {
  background: var(--card);
  padding: 30px 28px;
  transition: all 0.3s;
}
.highlight-card:hover { background: var(--surface-2); }
.highlight-card .dot { color: var(--gold); font-size: 14px; letter-spacing: 1px; margin-bottom: 10px; }
.highlight-card h4 {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--fg-strong);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.highlight-card p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }

/* 紧凑案例 */
.cases-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.case-strip-card {
  background: var(--card);
  padding: 32px 28px;
  transition: all 0.3s;
}
.case-strip-card:hover { background: var(--surface-2); transform: translateY(-3px); }
.case-strip-card .n {
  font-family: var(--serif);
  font-size: 38px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}
.case-strip-card h4 { font-family: var(--serif); font-size: 18px; color: var(--fg-strong); margin-bottom: 8px; }
.case-strip-card p { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* 子页列表项 */
.list-block { margin-bottom: 40px; }
.list-block h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--fg-strong);
  margin-bottom: 18px;
  letter-spacing: 1px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.list-block h3 .gold { color: var(--gold); }
@media (max-width: 980px) {
  .entry-grid, .highlight-grid, .cases-strip { grid-template-columns: 1fr 1fr; }
  .page-hero h1 { font-size: 36px; }
}
@media (max-width: 560px) {
  .entry-grid, .highlight-grid, .cases-strip { grid-template-columns: 1fr; }
}

/* 重点支持领域 */
.hero-fields { margin-top: 40px; max-width: 820px; }
.fields-title {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 3px;
  margin-bottom: 14px;
  font-weight: 500;
}
.fields-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.fields-tags span {
  border: 1px solid rgba(201,162,39,0.4);
  color: var(--fg);
  font-size: 12.5px;
  letter-spacing: 1px;
  padding: 6px 14px;
  background: rgba(10,10,10,0.35);
  backdrop-filter: blur(4px);
  transition: all 0.3s;
}
.fields-tags span:hover { border-color: var(--gold); color: var(--gold); }

/* CTA 按钮间分割线 */
.cta-divider {
  width: 1px;
  height: 30px;
  background: var(--border);
  align-self: center;
}
@media (max-width: 560px) { .cta-divider { display: none; } }