/* ============================================================
   AHHA 啊哈人体优化中心 — 设计系统
   临床 · 高端 · 科技感
   ============================================================ */

:root {
  /* 品牌色（提取自 logo） */
  --brand: #37326b;
  --brand-deep: #221e4a;
  --brand-ink: #17142e;
  --accent: #e8632b;
  --accent-soft: #fdf0e9;
  --green: #6fa84c;
  --violet: #6b4f9e;

  --ink: #211e38;
  --ink-2: #4c4866;
  --ink-3: #7d7994;
  --bg: #ffffff;
  --bg-soft: #f7f6f3;
  --bg-tint: #f0eff8;
  --line: #e7e5ee;
  --line-dark: rgba(255, 255, 255, 0.14);

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 20px 50px -20px rgba(34, 30, 74, 0.18);
  --shadow-sm: 0 8px 24px -10px rgba(34, 30, 74, 0.14);

  --font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC",
    sans-serif;

  --container: 1200px;
  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--accent); color: #fff; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

section { padding-block: clamp(64px, 9vw, 116px); }

/* ---------- 排版 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

h1, h2, h3, h4 { line-height: 1.25; font-weight: 800; color: var(--ink); }

.h-display {
  font-size: clamp(34px, 6.2vw, 62px);
  letter-spacing: -0.01em;
  line-height: 1.14;
}
.h-section {
  font-size: clamp(28px, 4.4vw, 44px);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.h-sub {
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
}
.lead {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--ink-2);
  max-width: 640px;
}
.muted { color: var(--ink-3); }
.text-accent { color: var(--accent); }
.text-brand { color: var(--brand); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 28px -10px rgba(232, 99, 43, 0.55);
}
.btn-primary:hover { background: #d4551f; transform: translateY(-2px); }
.btn-dark { background: var(--brand); color: #fff; }
.btn-dark:hover { background: var(--brand-deep); transform: translateY(-2px); }
.btn-ghost {
  border: 1.5px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--brand-deep); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-outline-light { border: 1.5px solid rgba(255,255,255,0.4); color: #fff; }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo img { height: 56px; width: auto; }

.nav-links { display: none; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  padding: 8px 14px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-2);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--brand); background: var(--bg-tint); }
.nav-links a.is-active { color: var(--brand); }
.nav-links a.is-active::after {
  content: "";
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  margin-top: 2px;
}

.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav-links + .nav-actions { margin-left: 0; }

.lang-switch {
  display: inline-flex;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: #fff;
  flex-shrink: 0;
}
.lang-switch button {
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 999px;
  color: var(--ink-3);
  transition: all 0.2s;
  letter-spacing: 0.03em;
}
.lang-switch button.is-active { background: var(--brand); color: #fff; }

.nav-cta { display: none; }

.nav-toggle {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  flex-shrink: 0;
}
.nav-toggle span {
  position: relative;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
body.menu-open .nav-toggle span { background: transparent; }
body.menu-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* 移动端抽屉菜单 */
.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 99;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  padding: 32px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  overflow-y: auto;
}
body.menu-open .mobile-menu { opacity: 1; transform: none; pointer-events: auto; }
.mobile-menu a {
  padding: 16px 8px;
  font-size: 20px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu a small { font-size: 12px; color: var(--ink-3); font-weight: 600; letter-spacing: 0.1em; }
.mobile-menu a.is-active { color: var(--brand); }
.mobile-menu .btn { margin-top: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(40px, 7vw, 88px));
  padding-bottom: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(1100px 480px at 88% -10%, var(--bg-tint) 0%, transparent 60%),
    radial-gradient(700px 380px at -10% 110%, var(--accent-soft) 0%, transparent 55%),
    var(--bg);
  overflow: hidden;
}
.hero-grid { display: grid; gap: 48px; align-items: center; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand);
  box-shadow: var(--shadow-sm);
  margin-bottom: 26px;
}
.hero-tag i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(111, 168, 76, 0.18);
}
.hero h1 { margin-bottom: 22px; }
.hero .lead { margin-bottom: 34px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-media { position: relative; }
.hero-media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.hero-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  right: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-badge span {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(23, 20, 46, 0.72);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.hero-stats {
  margin-top: clamp(44px, 6vw, 72px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(16px, 2.6vw, 28px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.stat-card strong {
  display: block;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.stat-card strong em { font-style: normal; color: var(--accent); }
.stat-card span { font-size: clamp(12px, 1.4vw, 14px); color: var(--ink-2); font-weight: 600; }

/* 页头（子页 hero） */
.page-hero {
  padding-top: calc(var(--nav-h) + clamp(48px, 8vw, 96px));
  padding-bottom: clamp(48px, 7vw, 88px);
  background:
    radial-gradient(900px 400px at 85% -20%, var(--bg-tint) 0%, transparent 60%),
    var(--bg-soft);
}
.page-hero .lead { margin-top: 8px; }

/* ---------- 通用区块 ---------- */
.section-soft { background: var(--bg-soft); }
.section-dark {
  background:
    radial-gradient(900px 500px at 110% -10%, rgba(107, 79, 158, 0.35) 0%, transparent 55%),
    radial-gradient(700px 500px at -10% 110%, rgba(232, 99, 43, 0.12) 0%, transparent 50%),
    var(--brand-ink);
  color: #efedf7;
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark .lead, .section-dark p { color: rgba(239, 237, 247, 0.78); }
.section-dark .eyebrow { color: #b7b2d9; }

.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }
.section-head.center .eyebrow { justify-content: center; }

.grid { display: grid; gap: 20px; }
.grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }

.icon-chip {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  background: var(--bg-tint);
  color: var(--brand);
}
.icon-chip svg { width: 26px; height: 26px; }
.icon-chip.orange { background: var(--accent-soft); color: var(--accent); }
.icon-chip.green { background: #eef6e8; color: var(--green); }
.icon-chip.violet { background: #f0ebf8; color: var(--violet); }

.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--ink-2); }

/* ---------- 痛点清单 ---------- */
.pain-list { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.pain-list li {
  padding: 12px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.pain-list li::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---------- 对比表 ---------- */
.compare { display: grid; gap: 20px; }
.compare-col {
  border-radius: var(--radius);
  padding: clamp(26px, 3.4vw, 40px);
  border: 1px solid var(--line);
  background: #fff;
}
.compare-col.is-ahha {
  background:
    radial-gradient(500px 260px at 100% 0%, rgba(232, 99, 43, 0.16) 0%, transparent 60%),
    var(--brand-deep);
  border: none;
  color: #efedf7;
  position: relative;
  overflow: hidden;
}
.compare-col h3 { font-size: 20px; margin-bottom: 22px; display: flex; align-items: center; gap: 12px; }
.compare-col.is-ahha h3 { color: #fff; }
.compare-col ul { display: grid; gap: 14px; }
.compare-col li { display: flex; gap: 12px; font-size: 15px; align-items: flex-start; color: var(--ink-2); }
.compare-col.is-ahha li { color: rgba(239, 237, 247, 0.88); }
.compare-col li svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 3px; }
.compare-col li .x { color: #c4c1d4; }
.compare-col.is-ahha li .check { color: var(--green); }
.compare-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
}

/* ---------- 流程步骤 ---------- */
.flow { display: grid; gap: 14px; counter-reset: step; }
.flow-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 24px 24px 84px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.flow-step:hover { transform: translateX(6px); box-shadow: var(--shadow-sm); }
.flow-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30px;
  font-weight: 800;
  color: var(--brand);
  opacity: 0.28;
  letter-spacing: -0.03em;
}
.flow-step h3 { font-size: 17.5px; margin-bottom: 4px; color: var(--ink); }
.flow-step h3 small { color: var(--accent); font-size: 12.5px; letter-spacing: 0.12em; margin-left: 8px; font-weight: 700; }
.flow-step p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- ACTN ---------- */
.actn-grid { display: grid; gap: 20px; }
.actn-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  isolation: isolate;
}
.actn-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform 0.6s ease;
}
.actn-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(23,20,46,0.05) 30%, rgba(23,20,46,0.88) 100%);
  transition: background 0.4s;
}
.actn-card:hover img { transform: scale(1.05); }
.actn-card-body { padding: 26px; }
.actn-letter {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 14px;
  backdrop-filter: blur(6px);
}
.actn-card h3 { color: #fff; font-size: 21px; margin-bottom: 6px; }
.actn-card h3 span { font-size: 13px; letter-spacing: 0.14em; opacity: 0.85; font-weight: 700; margin-left: 8px; }
.actn-card p { color: rgba(255, 255, 255, 0.85); font-size: 14.5px; }
.actn-a .actn-letter { background: rgba(55, 50, 107, 0.85); }
.actn-c .actn-letter { background: rgba(107, 79, 158, 0.85); }
.actn-t .actn-letter { background: rgba(232, 99, 43, 0.88); }
.actn-n .actn-letter { background: rgba(111, 168, 76, 0.88); }

/* ---------- 科技卡片 ---------- */
.tech-grid { display: grid; gap: 20px; }
.tech-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}
.tech-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.tech-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-soft); }
.tech-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.tech-card:hover .thumb img { transform: scale(1.05); }
.tech-card .body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.tech-card .tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-tint);
  color: var(--brand);
}
.tag.orange { background: var(--accent-soft); color: var(--accent); }
.tag.green { background: #eef6e8; color: var(--green); }
.tag.violet { background: #f0ebf8; color: var(--violet); }
.tech-card h3 { font-size: 18px; }
.tech-card h3 small { display: block; font-size: 12px; color: var(--ink-3); font-weight: 600; letter-spacing: 0.06em; margin-top: 2px; }
.tech-card p { font-size: 14.5px; color: var(--ink-2); flex: 1; }

/* Signature Classes 课程卡「适合」列表 */
.tech-card .cls-for { border-top: 1px dashed var(--line); padding-top: 14px; font-size: 13.5px; color: var(--ink-3); flex: none; }
.tech-card .cls-for strong { display: block; color: var(--brand); font-size: 12px; letter-spacing: 0.14em; margin-bottom: 6px; }
.tech-card .cls-for .for-list { display: block; font-size: 13.5px; line-height: 1.9; }

/* 科技矩阵分组 */
.matrix-group { margin-bottom: clamp(40px, 6vw, 64px); }
.matrix-group-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--line);
}
.matrix-letter {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.matrix-letter.a { background: var(--brand); }
.matrix-letter.c { background: var(--violet); }
.matrix-letter.t { background: var(--accent); }
.matrix-letter.n { background: var(--green); }
.matrix-group-head h3 { font-size: 22px; }
.matrix-group-head h3 span { font-size: 13px; color: var(--ink-3); letter-spacing: 0.1em; font-weight: 700; margin-left: 10px; }
.matrix-group-head p { font-size: 14px; color: var(--ink-2); }

.matrix-items { display: grid; gap: 12px; }
.matrix-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: border-color 0.2s, transform 0.2s;
}
.matrix-item:hover { border-color: var(--brand); transform: translateX(4px); }
.matrix-item svg { width: 20px; height: 20px; color: var(--brand); flex-shrink: 0; }
.matrix-item small { color: var(--ink-3); font-weight: 500; margin-left: auto; text-align: right; font-size: 12.5px; }

/* 科技详情（交替图文） */
.split { display: grid; gap: 32px; align-items: center; }
.split-media { position: relative; }
.split-media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.split-body .h-sub { margin-bottom: 14px; }
.split-body p { color: var(--ink-2); margin-bottom: 16px; }
.benefit-list { display: grid; gap: 10px; margin-top: 18px; }
.benefit-list li { display: flex; gap: 12px; font-size: 14.5px; color: var(--ink-2); align-items: flex-start; }
.benefit-list svg { width: 19px; height: 19px; color: var(--green); flex-shrink: 0; margin-top: 3px; }

/* ---------- 方案路径 ---------- */
.path-grid { display: grid; gap: 20px; }
.path-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  overflow: hidden;
}
.path-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--brand);
  opacity: 0;
  transition: opacity 0.3s;
}
.path-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.path-card:hover::before { opacity: 1; }
.path-card .emoji { font-size: 30px; line-height: 1; }
.path-card h3 { font-size: 19.5px; }
.path-card h3 small { display: block; font-size: 12px; color: var(--ink-3); letter-spacing: 0.08em; font-weight: 600; margin-top: 3px; }
.path-card p { font-size: 14.5px; color: var(--ink-2); flex: 1; }
.path-card .for { font-size: 13px; color: var(--ink-3); border-top: 1px dashed var(--line); padding-top: 14px; }
.path-card .for strong { color: var(--brand); font-weight: 700; }

/* 方案详情（solutions 页） */
.program {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  margin-bottom: 28px;
}
.program-head {
  display: grid;
  gap: 0;
}
.program-head .ph-text { padding: clamp(28px, 4vw, 48px); }
.program-head .ph-media { min-height: 260px; position: relative; }
.program-head .ph-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.program-head h3 { font-size: clamp(22px, 3vw, 30px); margin: 10px 0 12px; }
.program-head h3 small { font-size: 13px; color: var(--ink-3); letter-spacing: 0.1em; font-weight: 700; display: block; margin-top: 6px; }
.program-cols {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.program-col { padding: clamp(24px, 3vw, 36px); }
.program-col + .program-col { border-top: 1px solid var(--line); }
.program-col h4 {
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--brand);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.program-col h4 i { width: 20px; height: 2px; background: var(--accent); border-radius: 2px; }
.program-col ul { display: grid; gap: 9px; }
.program-col li { font-size: 14.5px; color: var(--ink-2); display: flex; gap: 10px; align-items: flex-start; }
.program-col li::before { content: "·"; color: var(--accent); font-weight: 800; flex-shrink: 0; }

/* 方案理念带 + 适合人群列表 */
.program-belief {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: clamp(24px, 3vw, 36px);
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.9;
}
.program-belief strong {
  display: block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--brand);
  margin-bottom: 10px;
}
.for-list { white-space: pre-line; font-size: 14.5px; color: var(--ink-2); line-height: 2; }

/* ---------- 创始人 ---------- */
.founder-quote {
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  max-width: 760px;
}
.founder-card {
  display: grid;
  gap: 32px;
  align-items: center;
}
.founder-card img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
}
.founder-sign { margin-top: 20px; }
.founder-sign strong { font-size: 17px; color: var(--brand); }
.founder-sign span { display: block; font-size: 13.5px; color: var(--ink-3); }

.story-block { max-width: 760px; }
.story-block p { margin-bottom: 20px; color: var(--ink-2); font-size: 16.5px; }
.story-block p strong { color: var(--ink); }
.story-block .highlight {
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 22px;
  margin: 32px 0;
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.6;
}

/* ---------- 信念大字 ---------- */
.belief { text-align: center; }
.belief-lines { display: grid; gap: 6px; margin: 28px 0; }
.belief-lines span {
  font-size: clamp(24px, 5vw, 46px);
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}
.belief-lines span.dim { color: rgba(255, 255, 255, 0.38); }
.belief-lines span.accent { color: var(--accent); }

/* ---------- CTA ---------- */
.cta-band {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  padding: clamp(44px, 7vw, 84px) clamp(28px, 5vw, 72px);
  background:
    radial-gradient(600px 300px at 90% 0%, rgba(232, 99, 43, 0.25) 0%, transparent 55%),
    var(--brand-deep);
  color: #fff;
  display: grid;
  gap: 24px;
  align-items: center;
}
.cta-band h2 { color: #fff; font-size: clamp(26px, 4vw, 40px); margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, 0.8); max-width: 520px; }
.cta-band .hero-ctas { justify-content: flex-start; }

/* ---------- 预约页 ---------- */
.contact-grid { display: grid; gap: 20px; }
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3.4vw, 38px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-card .icon-chip { margin-bottom: 6px; }
.contact-card h3 { font-size: 18px; }
.contact-card .big { font-size: clamp(19px, 2.2vw, 26px); font-weight: 800; color: var(--brand); letter-spacing: 0.01em; white-space: nowrap; }
.contact-card p { font-size: 14.5px; color: var(--ink-2); }

.steps { display: grid; gap: 16px; counter-reset: bstep; }
.step-item {
  display: flex;
  gap: 18px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  align-items: flex-start;
}
.step-item::before {
  counter-increment: bstep;
  content: counter(bstep);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 17px;
  flex-shrink: 0;
}
.step-item h3 { font-size: 16.5px; margin-bottom: 4px; }
.step-item p { font-size: 14px; color: var(--ink-2); }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 700;
  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;
  font-weight: 400;
  color: var(--brand);
  transition: transform 0.25s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 22px 20px; font-size: 14.5px; color: var(--ink-2); }

/* ---------- Footer ---------- */
.footer {
  background: var(--brand-ink);
  color: rgba(239, 237, 247, 0.72);
  padding: clamp(48px, 6vw, 72px) 0 32px;
}
.footer-grid { display: grid; gap: 36px; margin-bottom: 44px; }
.footer-brand img { height: 72px; width: auto; margin-bottom: 14px; background: #fff; border-radius: 10px; padding: 6px 10px; }
.footer-brand p { font-size: 14px; max-width: 300px; }
.footer h4 { color: #fff; font-size: 14px; letter-spacing: 0.14em; margin-bottom: 16px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { font-size: 14.5px; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-contact li { font-size: 14px; display: flex; gap: 10px; margin-bottom: 10px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 4px; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(239, 237, 247, 0.45);
}

/* ---------- 动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .matrix-items { grid-template-columns: repeat(2, 1fr); }
  .hero-badge { left: 22px; bottom: 22px; right: auto; }
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none; }

  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 56px; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .compare { grid-template-columns: 1fr 1fr; gap: 28px; }
  .actn-grid { grid-template-columns: repeat(2, 1fr); }
  .actn-card { min-height: 400px; }
  .split { grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 72px); }
  .split.reverse .split-media { order: 2; }
  .founder-card { grid-template-columns: 0.9fr 1.1fr; gap: clamp(40px, 5vw, 72px); }
  .program-head { grid-template-columns: 1.1fr 0.9fr; }
  .program-head .ph-media { min-height: 340px; }
  .program-cols { grid-template-columns: repeat(3, 1fr); }
  .program-col + .program-col { border-top: none; border-left: 1px solid var(--line); }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .cta-band { grid-template-columns: 1.2fr auto; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1.2fr; }
  .matrix-items.cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; }
  .stat-card { display: flex; align-items: baseline; gap: 14px; }
  .btn { width: 100%; }
  .hero-ctas .btn { width: 100%; }
  .flow-step { padding-left: 72px; }
}