/* ============================================================
   阅读指导师培训认证中心 · 全站样式
   配色：深墨绿 / 暖米白 / 赭金
   ============================================================ */

:root {
  --ink: #1a3a2f;
  --ink-deep: #122921;
  --ink-soft: #2c4a3d;
  --cream: #f6f1e7;
  --cream-bright: #fdfbf5;
  --gold: #c9a25e;
  --gold-deep: #a8834a;
  --gold-pale: #e8d5b0;
  --text: #2b3a33;
  --muted: #6f7d75;
  --line: rgba(26, 58, 47, 0.12);
  --shadow: 0 20px 60px rgba(18, 41, 33, 0.12);
  --serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

[id] { scroll-margin-top: 88px; }

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--cream-bright);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1160px, 92%); margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(18, 41, 33, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201, 162, 94, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 44px; height: 44px; border-radius: 50%; box-shadow: 0 0 0 2px rgba(201, 162, 94, 0.5); }
.brand-name { display: flex; flex-direction: column; line-height: 1.3; }
.brand-name .cn { font-family: var(--serif); font-size: 17px; font-weight: 700; color: var(--cream); letter-spacing: 1px; white-space: nowrap; }
.brand-name .sub { font-size: 11px; color: rgba(246, 241, 231, 0.65); letter-spacing: 2px; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 8px 16px;
  font-size: 15px;
  color: rgba(246, 241, 231, 0.85);
  border-radius: 999px;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--gold); }
.main-nav a.active { background: rgba(201, 162, 94, 0.16); color: var(--gold); }
.main-nav .nav-cta {
  margin-left: 10px;
  background: var(--gold);
  color: var(--ink-deep);
  font-weight: 600;
}
.main-nav .nav-cta:hover { background: var(--gold-pale); color: var(--ink-deep); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--cream);
  font-size: 26px;
  cursor: pointer;
  line-height: 1;
}

/* ---------- 通用区块 ---------- */
main { padding-top: 72px; }
.section { padding: 88px 0; }
.section.tinted { background: var(--cream); }
.section.dark { background: linear-gradient(160deg, var(--ink-deep), var(--ink-soft)); color: var(--cream); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--gold-deep);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section.dark .eyebrow { color: var(--gold); }
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 38px);
  color: var(--ink);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.section.dark .section-head h2 { color: var(--cream); }
.section-head p { color: var(--muted); font-size: 16.5px; }
.section.dark .section-head p { color: rgba(246, 241, 231, 0.7); }

.gold-rule {
  width: 56px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-pale));
  margin: 0 auto 20px;
  border-radius: 2px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 0.25s ease;
}
.btn-gold { background: var(--gold); color: var(--ink-deep); }
.btn-gold:hover { background: var(--gold-deep); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(168, 131, 74, 0.35); }
.btn-outline { border-color: var(--gold); color: var(--gold); background: transparent; }
.btn-outline:hover { background: rgba(201, 162, 94, 0.12); transform: translateY(-2px); }
.btn-outline.on-light { border-color: var(--ink); color: var(--ink); }
.btn-outline.on-light:hover { background: rgba(26, 58, 47, 0.06); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(201, 162, 94, 0.18), transparent 60%),
    linear-gradient(160deg, var(--ink-deep) 0%, var(--ink) 55%, var(--ink-soft) 100%);
  color: var(--cream);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 96px 0 104px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid rgba(201, 162, 94, 0.45);
  border-radius: 999px;
  font-size: 13.5px;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: 28px;
}
.hero-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.35;
  letter-spacing: 3px;
  margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-lead {
  font-size: 17px;
  color: rgba(246, 241, 231, 0.78);
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.hero-figure { position: relative; }
.hero-figure::after {
  content: "";
  position: absolute;
  inset: 24px -24px -24px 24px;
  border: 1.5px solid rgba(201, 162, 94, 0.5);
  border-radius: 20px;
  z-index: 0;
}
.hero-figure img {
  position: relative;
  z-index: 1;
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.hero-strip {
  position: relative;
  border-top: 1px solid rgba(201, 162, 94, 0.25);
  background: rgba(18, 41, 33, 0.55);
}
.hero-strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 26px 0;
}
.strip-item { text-align: center; }
.strip-item .num { font-family: var(--serif); font-size: 30px; color: var(--gold); font-weight: 700; }
.strip-item .num span { font-size: 16px; margin-left: 2px; }
.strip-item .label { font-size: 13.5px; color: rgba(246, 241, 231, 0.65); letter-spacing: 1px; }

/* ---------- 卡片 ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--cream-bright);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 36px 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card .icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(201, 162, 94, 0.18), rgba(201, 162, 94, 0.08));
  color: var(--gold-deep);
  font-size: 24px;
  margin-bottom: 20px;
}
.card h3 { font-family: var(--serif); font-size: 20px; color: var(--ink); margin-bottom: 10px; letter-spacing: 1px; }
.card p { font-size: 15px; color: var(--muted); }

/* ---------- 课程卡片 ---------- */
.level-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.level-card {
  background: var(--cream-bright);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.level-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.level-card .cover { position: relative; aspect-ratio: 3 / 2; overflow: hidden; }
.level-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.level-card:hover .cover img { transform: scale(1.05); }
.level-flag {
  position: absolute; top: 16px; left: 16px;
  background: rgba(18, 41, 33, 0.85);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(201, 162, 94, 0.5);
  backdrop-filter: blur(6px);
}
.level-body { padding: 28px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.level-body h3 { font-family: var(--serif); font-size: 22px; color: var(--ink); letter-spacing: 1px; margin-bottom: 6px; }
.level-body .slogan { color: var(--gold-deep); font-size: 14px; letter-spacing: 2px; margin-bottom: 14px; }
.level-body p.desc { font-size: 14.5px; color: var(--muted); margin-bottom: 18px; flex: 1; }
.level-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.level-meta span {
  font-size: 12.5px;
  color: var(--ink-soft);
  background: rgba(26, 58, 47, 0.07);
  padding: 5px 12px;
  border-radius: 999px;
}
.level-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 18px; }
.level-price .amount { font-family: var(--serif); font-size: 30px; font-weight: 700; color: var(--gold-deep); }
.level-price .note { font-size: 13px; color: var(--muted); }
.level-body .btn { align-self: stretch; }

/* ---------- 模块表格 ---------- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 14px;
  box-shadow: 0 4px 24px rgba(18, 41, 33, 0.06);
}
.table-wrap .module-table { box-shadow: none; min-width: 640px; border-radius: 0; }
.module-table { width: 100%; border-collapse: collapse; background: var(--cream-bright); border-radius: 14px; overflow: hidden; box-shadow: 0 4px 24px rgba(18, 41, 33, 0.06); }
.module-table th {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--serif);
  letter-spacing: 2px;
  font-weight: 600;
  padding: 14px 18px;
  text-align: left;
  font-size: 15px;
}
.module-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 14.5px; vertical-align: top; }
.module-table tr:last-child td { border-bottom: none; }
.module-table td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
.module-table td:last-child { color: var(--muted); }

/* ---------- 流程时间线 ---------- */
.timeline { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; counter-reset: step; }
.timeline .t-item { position: relative; text-align: center; padding: 0 10px; }
.timeline .t-item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px; height: 58px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  color: var(--ink-deep);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(168, 131, 74, 0.35);
  position: relative;
  z-index: 1;
}
.timeline .t-item::after {
  content: "";
  position: absolute;
  top: 29px;
  left: calc(50% + 34px);
  width: calc(100% - 68px);
  height: 1.5px;
  background: rgba(201, 162, 94, 0.45);
}
.timeline .t-item:last-child::after { display: none; }
.timeline h4 { font-family: var(--serif); font-size: 17px; letter-spacing: 1px; margin-bottom: 6px; color: var(--cream); }
.timeline p { font-size: 13px; color: rgba(246, 241, 231, 0.65); }

/* ---------- 查询表单 ---------- */
.query-panel {
  max-width: 640px;
  margin: 0 auto;
  background: var(--cream-bright);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 44px 48px;
  box-shadow: var(--shadow);
}
.form-field { margin-bottom: 22px; }
.form-field label { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink); margin-bottom: 8px; letter-spacing: 1px; }
.form-field label .req { color: #b0483e; margin-left: 3px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  font-size: 15px;
  font-family: var(--sans);
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 94, 0.15);
}
.form-hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

.query-result { margin-top: 28px; }
.result-card {
  border-radius: 16px;
  padding: 26px 28px;
  border: 1.5px solid;
  animation: fadeUp 0.4s ease;
}
.result-card.ok { background: rgba(35, 84, 62, 0.06); border-color: rgba(35, 84, 62, 0.35); }
.result-card.fail { background: rgba(176, 72, 62, 0.06); border-color: rgba(176, 72, 62, 0.3); }
.result-card h4 { font-family: var(--serif); font-size: 19px; margin-bottom: 14px; letter-spacing: 1px; }
.result-card.ok h4 { color: #23543e; }
.result-card.fail h4 { color: #b0483e; }
.result-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.result-rows div { font-size: 14.5px; }
.result-rows dt { color: var(--muted); font-size: 12.5px; margin-bottom: 2px; }
.result-rows dd { font-weight: 600; color: var(--ink); }
.cert-status { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.cert-status.valid { background: rgba(35, 84, 62, 0.12); color: #23543e; }

/* ---------- 报名表单 ---------- */
.enroll-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.enroll-aside { position: sticky; top: 100px; }
.enroll-aside img { border-radius: 20px; box-shadow: var(--shadow); margin-bottom: 26px; }
.aside-note {
  background: var(--cream);
  border-left: 3px solid var(--gold);
  border-radius: 0 14px 14px 0;
  padding: 20px 22px;
  font-size: 14px;
  color: var(--ink-soft);
}
.aside-note strong { color: var(--ink); }
.enroll-form {
  background: var(--cream-bright);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 44px 46px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ---------- 关于页 ---------- */
.about-hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.about-hero img { border-radius: 20px; box-shadow: var(--shadow); }
.about-hero h2 { font-family: var(--serif); font-size: 32px; color: var(--ink); letter-spacing: 2px; margin-bottom: 20px; }
.about-hero p { color: var(--muted); margin-bottom: 16px; font-size: 15.5px; }

.expert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.expert-card {
  background: var(--cream-bright);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 30px 28px;
  text-align: center;
}
.expert-card .avatar {
  width: 72px; height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ink), var(--ink-soft));
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  box-shadow: 0 0 0 3px rgba(201, 162, 94, 0.35);
}
.expert-card h4 { font-family: var(--serif); font-size: 19px; color: var(--ink); margin-bottom: 4px; }
.expert-card .title { font-size: 13px; color: var(--gold-deep); letter-spacing: 1px; margin-bottom: 10px; }
.expert-card p { font-size: 13.5px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--cream-bright);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 26px;
  font-weight: 600;
  color: var(--ink);
  font-size: 15.5px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--gold-deep); transition: transform 0.25s ease; flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 26px 22px; color: var(--muted); font-size: 14.5px; }

/* ---------- 合规声明块 ---------- */
.notice-block {
  background: rgba(201, 162, 94, 0.1);
  border: 1px solid rgba(201, 162, 94, 0.4);
  border-radius: 16px;
  padding: 26px 30px;
  font-size: 14px;
  color: var(--ink-soft);
}
.notice-block strong { color: var(--gold-deep); }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  background:
    radial-gradient(800px 400px at 15% 120%, rgba(201, 162, 94, 0.25), transparent 60%),
    linear-gradient(140deg, var(--ink-deep), var(--ink));
  border-radius: 26px;
  padding: 64px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--cream);
}
.cta-banner h2 { font-family: var(--serif); font-size: clamp(24px, 3vw, 32px); letter-spacing: 2px; margin-bottom: 10px; }
.cta-banner p { color: rgba(246, 241, 231, 0.7); font-size: 15.5px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink-deep); color: rgba(246, 241, 231, 0.75); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 44px; }
.footer-grid h4 { font-family: var(--serif); color: var(--cream); font-size: 17px; letter-spacing: 2px; margin-bottom: 18px; }
.footer-grid p, .footer-grid li { font-size: 14px; margin-bottom: 10px; }
.footer-grid a:hover { color: var(--gold); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand img { width: 46px; height: 46px; border-radius: 50%; }
.footer-brand span { font-family: var(--serif); font-size: 18px; color: var(--cream); letter-spacing: 1px; }
.footer-disclaimer {
  border-top: 1px solid rgba(246, 241, 231, 0.12);
  padding-top: 24px;
  font-size: 12.5px;
  color: rgba(246, 241, 231, 0.45);
  line-height: 1.9;
}

/* ---------- 页面标题横幅 ---------- */
.page-hero {
  background:
    radial-gradient(900px 400px at 80% -20%, rgba(201, 162, 94, 0.2), transparent 60%),
    linear-gradient(160deg, var(--ink-deep), var(--ink));
  color: var(--cream);
  padding: 76px 0 68px;
  text-align: center;
}
.page-hero h1 { font-family: var(--serif); font-size: clamp(30px, 4.5vw, 42px); letter-spacing: 3px; margin-bottom: 14px; }
.page-hero p { color: rgba(246, 241, 231, 0.72); max-width: 640px; margin: 0 auto; font-size: 16px; }

/* ---------- 动效 ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-figure { max-width: 560px; }
  .card-grid, .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .level-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 32px 0; }
  .timeline .t-item:nth-child(3n)::after { display: none; }
  .enroll-layout, .about-hero { grid-template-columns: 1fr; }
  .enroll-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .brand img { width: 38px; height: 38px; }
  .brand-name .cn { font-size: 15px; }
  .brand-name .sub { font-size: 10px; letter-spacing: 1px; }
  .hero-inner { padding: 64px 0 72px; }
  .hero-figure::after { inset: 12px -8px -12px 12px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .btn { padding: 13px 24px; font-size: 15px; }
  .level-body { padding: 24px 20px 26px; }
  .about-hero { gap: 28px; }
  .enroll-layout { gap: 28px; }
  .main-nav {
    position: fixed;
    top: 72px; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(18, 41, 33, 0.98);
    width: 240px;
    padding: 18px;
    gap: 8px;
    border-radius: 0 0 0 18px;
    transform: translateX(105%);
    transition: transform 0.3s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { padding: 12px 16px; }
  .nav-toggle { display: block; }
  .hero-strip .container { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .card-grid.cols-4, .card-grid.cols-2, .expert-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline .t-item:nth-child(3n)::after { display: block; }
  .timeline .t-item:nth-child(2n)::after { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .query-panel, .enroll-form { padding: 32px 24px; }
  .cta-banner { flex-direction: column; text-align: center; padding: 44px 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .result-rows { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}

@media (max-width: 420px) {
  .brand-name .sub { display: none; }
  .strip-item .num { font-size: 24px; }
  .timeline { grid-template-columns: 1fr 1fr; gap: 28px 8px; }
  .page-hero { padding: 56px 0 48px; }
}