/* ============================================================
   酷锐悦读 · Cool Reading — 官网样式
   基于原站配色（橙 / 棕 / 青绿 / 暖白）重新整理的设计系统
   ============================================================ */

:root {
  --orange: #fa7720;
  --orange-dark: #e0640f;
  --orange-soft: #fff1e4;
  --orange-tint: #ffe3cb;
  --brown: #1f2a37;        /* 标题 / 深色块：深墨蓝（原深棕 #6d3a15） */
  --brown-light: #8a96a5;  /* 浅标签：冷灰（原 #a9825a） */
  --teal: #2e8c7f;
  --teal-soft: #dff1ee;
  --red: #983030;
  --ink: #1f2a37;
  --muted: #5b6675;        /* 正文灰：冷灰（原 #7d6b5c） */
  --cream: #fbfcfd;        /* 页面浅底：冷白（原米黄 #fffbf4） */
  --sand: #f3f6f9;         /* 页内导航底：浅冷灰（原杏色 #fff3e5） */
  --line: #e6eaf0;         /* 分隔线：冷灰（原杏色 #f1e4d3） */
  --white: #ffffff;
  /* 低饱和冷色：用于分区、次级按钮与辅助信息 */
  --sky-soft: #e6f2fa;   /* 浅天蓝，取自 v2 */
  --lilac-soft: #eeeafa; /* 浅丁香紫，取自 v2 */
  --mint-soft: #dff1ea;  /* 浅薄荷，取自 v2 */
  --sage-soft: #e6efe1;  /* 浅鼠尾草绿，取自 v3 */
  --grey-soft: #f5f7fa;  /* 极浅冷灰：普通内容区交替底 */
  --warm-cream: #fffbf4; /* 初版米黄：仅 Hero 与页脚 */
  --warm-brown: #6d3a15; /* 初版深棕：仅 Hero 标题与页脚文字 */

  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'Montserrat', 'Noto Sans SC', sans-serif;

  --radius-lg: 28px;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(31, 42, 55, 0.07);
  --shadow-hover: 0 18px 40px rgba(31, 42, 55, 0.12);
  --container: 1180px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  font-family: var(--font-cn);
  background: var(--white);
  color: var(--ink);
  line-height: 1.7;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
:focus-visible { outline: 3px solid rgba(250, 119, 32, 0.45); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
.en { font-family: var(--font-en); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px;
  font-weight: 700; font-size: 15px; line-height: 1; white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 8px 20px rgba(250, 119, 32, .3); }
.btn-primary:hover { background: var(--orange-dark); box-shadow: 0 12px 26px rgba(250, 119, 32, .35); }
.btn-outline { border: 2px solid var(--orange); color: var(--orange); background: transparent; }
.btn-outline:hover { background: var(--orange-soft); }
.btn-dark { background: var(--brown); color: #fff; }
.btn-dark:hover { background: #55290c; }
.btn-lg { padding: 18px 36px; font-size: 16px; }
.btn-block { width: 100%; }
.btn .arrow { font-family: var(--font-en); transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 252, 253, .92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(109, 58, 21, .08); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 42px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text .en { font-weight: 800; font-size: 14px; letter-spacing: .12em; color: var(--orange); }
.brand-text .cn { font-weight: 700; font-size: 13px; color: var(--brown); }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 16px; border-radius: 999px; font-weight: 500; font-size: 15px; color: var(--brown);
  transition: background .2s, color .2s;
}
.main-nav a:hover { background: var(--orange-soft); color: var(--orange-dark); }
.main-nav a.is-active { color: var(--orange); font-weight: 700; }
.main-nav .nav-cta { display: none; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); }
.lang-switch a, .lang-switch .on { padding: 4px 6px; border-radius: 6px; }
.lang-switch a { color: var(--muted); transition: color .2s, background .2s; }
.lang-switch a:hover { color: var(--orange); background: var(--orange-soft); }
.lang-switch .on { color: var(--brown); font-weight: 700; }
.lang-mobile { display: none; align-items: center; justify-content: center; height: 34px; padding: 0 12px; border-radius: 999px; border: 1.5px solid var(--line); font-size: 13px; font-weight: 700; color: var(--brown); background: #fff; white-space: nowrap; }
.lang-mobile:hover { border-color: var(--orange); color: var(--orange); }
/* 英文文案更长：按钮允许换行 */
html[lang="en"] .btn { white-space: normal; text-align: center; line-height: 1.3; }
html[lang="en"] .hero h1 { font-size: clamp(28px, 2.9vw, 40px); line-height: 1.2; }
html[lang="en"] .hero-badge strong { font-size: 14px; }
/* 英文 logo 为两行字，适当放大以保持可读 */
html[lang="en"] .brand img { height: 54px; }
html[lang="en"] .footer-brand img { height: 48px; }
@media (max-width: 860px) { html[lang="en"] .brand img { height: 46px; } }
.header-actions .btn { padding: 11px 22px; font-size: 14px; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px; align-items: center; justify-content: center;
  flex-direction: column; gap: 5px; margin-left: auto;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--brown); border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Sub nav (页内锚点) ---------- */
.sub-nav {
  position: sticky; top: calc(var(--header-h) + 1px); z-index: 90;
  background: #f8ecdb; border-bottom: 1px solid #f1e4d3; /* 比 Hero 米黄略深的暖色 */
}
.sub-nav ul { display: flex; justify-content: center; gap: 4px; overflow-x: auto; scrollbar-width: none; padding: 8px 0; }
.sub-nav ul::-webkit-scrollbar { display: none; }
.sub-nav a {
  display: block; padding: 8px 16px; border-radius: 999px; font-size: 14px; color: var(--warm-brown); white-space: nowrap;
  transition: background .2s, color .2s;
}
.sub-nav a:hover { background: #fff; }
.sub-nav a.is-active { background: var(--orange); color: #fff; font-weight: 700; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--warm-cream); }
.hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding: 72px 0 80px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--orange);
  margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 24px; height: 3px; background: var(--orange); border-radius: 2px; }
.hero h1 {
  font-size: clamp(30px, 3.3vw, 44px); font-weight: 900; line-height: 1.3; color: var(--warm-brown); margin-bottom: 20px;
}
.hero h1 em { font-style: normal; color: var(--orange); }
.hero p.lead { font-size: 17px; color: var(--muted); max-width: 520px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-media { position: relative; }
.hero-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
.hero-media::before {
  content: ''; position: absolute; inset: -18px -18px auto auto; width: 60%; height: 60%;
  background: var(--orange-tint); border-radius: var(--radius-lg); z-index: 0;
}
.hero-media::after {
  content: ''; position: absolute; left: -22px; bottom: -22px; width: 140px; height: 140px;
  background: var(--teal-soft); border-radius: 50%; z-index: 0;
}
.hero-media img { position: relative; z-index: 1; }
.hero-badge {
  position: absolute; z-index: 2; left: 24px; bottom: 28px;
  background: #fff; border-radius: 16px; padding: 12px 16px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--warm-brown);
}
.hero-badge img { width: 40px; height: 40px; border-radius: 50%; }
.hero-badge strong { display: block; font-size: 15px; color: var(--orange); }

/* ---------- Stats strip ---------- */
.stats { background: #fff; border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 28px 20px; text-align: center; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat strong { display: block; font-size: 22px; font-weight: 900; color: var(--orange); font-family: var(--font-en); }
.stat strong .cn { font-family: var(--font-cn); }
.stat span { font-size: 14px; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-sm { padding: 72px 0; }
.bg-cream { background: var(--cream); }
.bg-sand { background: var(--sand); }
.bg-sky { background: var(--sky-soft); }
.bg-lilac { background: var(--lilac-soft); }
.bg-mint { background: var(--mint-soft); }
.bg-sage { background: var(--sage-soft); }
.bg-grey { background: var(--grey-soft); }
.bg-teal { background: var(--teal-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head.left { text-align: left; margin-left: 0; }
.section-head .eyebrow { justify-content: center; }
.section-head.left .eyebrow { justify-content: flex-start; }
.section-head h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 900; color: var(--brown); line-height: 1.3; margin-bottom: 14px; }
.section-head p { font-size: 16px; color: var(--muted); }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border-radius: var(--radius); padding: 32px 28px;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--orange); }
.card .num { display: inline-block; font-family: var(--font-en); font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--brown); background: var(--sky-soft); padding: 5px 10px; border-radius: 8px; margin-bottom: 16px; }
.card h3 { font-size: 19px; font-weight: 700; color: var(--brown); margin-bottom: 10px; line-height: 1.4; }
.card p { font-size: 15px; color: var(--muted); }
.card-icon { width: 76px; height: 76px; border-radius: 50%; background: var(--orange-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; overflow: hidden; }
.card-icon img { width: 100%; height: 100%; object-fit: cover; }
.card-media { margin: -32px -28px 24px; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.card-media img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }

/* ---------- Feature split (图 + 文) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
.split h3 { font-size: clamp(22px, 2.4vw, 30px); font-weight: 900; color: var(--brown); margin-bottom: 14px; line-height: 1.35; }
.split p { color: var(--muted); font-size: 16px; margin-bottom: 18px; }
.check-list li { position: relative; padding-left: 32px; margin-bottom: 12px; font-size: 15px; color: var(--ink); }
.check-list li::before {
  content: ''; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* ---------- Placeholder for pending images ---------- */
.ph {
  position: relative; width: 100%; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(135deg, var(--sand), var(--orange-tint));
  display: flex; align-items: center; justify-content: center; text-align: center;
  color: var(--brown-light); font-size: 13px; letter-spacing: .04em;
}
.ph::after { content: ''; position: absolute; inset: 10px; border: 1.5px dashed rgba(169, 130, 90, .45); border-radius: calc(var(--radius) - 8px); pointer-events: none; }
.ph span { position: relative; padding: 12px 20px; }

/* ---------- Path / stages ---------- */
.stages { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.stage { position: relative; padding-top: 18px; }
.stage::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; border-radius: 4px; background: var(--line); }
.stage:nth-child(1)::before { background: #7fc4b8; }
.stage:nth-child(2)::before { background: #2e8c7f; }
.stage:nth-child(3)::before { background: #6aa89a; }
.stage:nth-child(4)::before { background: #f0a06a; }
.stage:nth-child(5)::before { background: var(--orange); }
.stage .ph, .stage .stage-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; margin-bottom: 14px; border-radius: var(--radius-sm); }
.stage-body { background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px; }
.stage-body small { display: block; font-size: 12px; color: var(--brown-light); letter-spacing: .06em; margin-bottom: 6px; }
.stage-body h3 { font-size: 20px; font-weight: 900; color: var(--brown); line-height: 1.2; }
.stage-body .lv { font-size: 14px; font-weight: 700; color: var(--teal); margin: 4px 0 8px; }
.stage-body .vocab { font-size: 13px; color: var(--muted); }
.stage-note { text-align: center; font-size: 13px; color: var(--brown-light); margin-top: 20px; }

/* ---------- Flow (持续阅读) ---------- */
.flow { display: flex; flex-direction: column; gap: 14px; }
.flow-top { background: var(--brown); color: #fff; border-radius: var(--radius-sm); padding: 18px; text-align: center; font-weight: 700; font-size: 17px; }
.flow-arrows { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; color: var(--teal); font-size: 20px; line-height: 1; }
.flow-bottom { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.flow-bottom div { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px 12px; text-align: center; }
.flow-bottom strong { display: block; font-size: 17px; color: var(--brown); }
.flow-bottom span { font-size: 13px; color: var(--muted); }

/* ---------- Testimonials ---------- */
/* 家长反馈：瀑布流 + 引号装饰 + 来源头像 */
.reviews-wrap { position: relative; }
.reviews-wrap::before, .reviews-wrap::after { content: '“'; position: absolute; font-family: var(--font-en); font-weight: 900; font-size: 260px; line-height: 1; color: var(--orange); opacity: .06; pointer-events: none; }
.reviews-wrap::before { left: -40px; top: -90px; }
.reviews-wrap::after { content: '”'; right: -30px; bottom: -150px; }
.scene-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: -24px 0 40px; }
.scene-chips span { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 13px; font-weight: 700; color: var(--brown); }
.scene-chips span i { font-style: normal; color: #f2b53d; }
.masonry { columns: 3; column-gap: 24px; }
.masonry > * { break-inside: avoid; margin-bottom: 24px; }
.review { position: relative; display: flex; flex-direction: column; padding-top: 34px; overflow: hidden; }
.review::before { content: '“'; position: absolute; left: 22px; top: 6px; font-family: var(--font-en); font-weight: 900; font-size: 72px; line-height: 1; color: var(--orange); opacity: .18; }
.review:hover { transform: translateY(-4px) rotate(-.4deg); }
.review.tint-lilac { background: var(--lilac-soft); }
.review.tint-sky { background: var(--sky-soft); }
.review.tint-mint { background: var(--mint-soft); }
.review.featured blockquote { font-size: 17px; font-weight: 500; }
.review-by { display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--line); }
.review-by .avatar { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 15px; color: #fff; flex-shrink: 0; }
.review-by .a1 { background: var(--teal); } .review-by .a2 { background: #4a90c2; } .review-by .a3 { background: #8f7bd6; } .review-by .a4 { background: var(--orange); } .review-by .a5 { background: #e07a9a; } .review-by .a6 { background: #c9a227; }
.review-by strong { display: block; font-size: 14px; color: var(--brown); line-height: 1.3; }
.review-by span { font-size: 12px; color: var(--muted); }
.stars { color: #f2b53d; font-size: 16px; letter-spacing: 2px; margin-bottom: 12px; position: relative; }
.review blockquote { font-size: 15px; color: var(--ink); margin-bottom: 18px; line-height: 1.85; position: relative; }
.review cite { font-style: normal; font-size: 13px; color: var(--muted); }
.review-note { text-align: center; font-size: 13px; color: var(--brown-light); margin-top: 24px; }

/* ---------- Level test ---------- */
.test-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.test-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.test-tags span { padding: 8px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: 13px; color: var(--brown); }
.test-card { background: #fff; border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-hover); }
.test-card .num { color: #3a7fc1; }
.test-card h3 { font-size: 24px; font-weight: 900; color: var(--brown); margin-bottom: 10px; }
.test-card p { color: var(--muted); margin-bottom: 24px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 4px; text-align: left; font-size: 17px; font-weight: 700; color: var(--brown);
}
.faq-q .icon {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--orange-soft); color: var(--orange);
  display: flex; align-items: center; justify-content: center; transition: transform .25s, background .25s, color .25s;
}
.faq-q .icon { position: relative; background: var(--orange-soft); color: var(--orange); }
.faq-q .icon::before { content: ''; position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translate(-50%, -65%) rotate(45deg); }
.faq-item.is-open .faq-q .icon { transform: rotate(180deg); background: var(--orange); color: #fff; }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq-a > div { overflow: hidden; }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a p { padding: 0 4px 22px; color: var(--muted); font-size: 15px; }

/* ---------- Path steps (领读人成长路径) ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.step { background: #fff; border-radius: var(--radius); padding: 28px 24px; border-top: 5px solid var(--orange-tint); box-shadow: var(--shadow); position: relative; }
.step:nth-child(2) { border-top-color: #ffb583; }
.step:nth-child(3) { border-top-color: var(--orange); }
.step:nth-child(4) { border-top-color: var(--teal); }
.step .num { font-family: var(--font-en); font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--brown-light); margin-bottom: 12px; }
.step h3 { font-family: var(--font-en); font-size: 20px; font-weight: 800; color: var(--brown); margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); }
.step::after {
  content: '→'; position: absolute; right: -16px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-en); font-size: 18px; color: var(--orange); z-index: 1;
}
.step:last-child::after { display: none; }

/* ---------- Forms ---------- */
.form-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.form {
  background: #fff; border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-hover); border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 14px;
}
.field label { display: block; font-size: 13px; font-weight: 700; color: var(--brown); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--cream);
  font-size: 15px; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 4px rgba(250,119,32,.12); background: #fff; }
.form .btn { margin-top: 6px; }
.form-note { font-size: 12px; color: var(--brown-light); text-align: center; }
.form-success { display: none; text-align: center; padding: 24px 0; color: var(--teal); font-weight: 700; }
.form.is-sent .form-success { display: block; }
.form.is-sent .field, .form.is-sent .btn, .form.is-sent .form-note { display: none; }

/* ---------- Team ---------- */
.leader { display: grid; grid-template-columns: 240px 1fr; gap: 36px; align-items: center; background: #fff; border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--line); box-shadow: var(--shadow); margin-bottom: 24px; }
.leader-photo { width: 100%; aspect-ratio: 1; border-radius: 50%; overflow: hidden; background: var(--sand); }
.leader-photo img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.leader-photo .ph { height: 100%; border-radius: 50%; }
.leader .num { font-family: var(--font-en); font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--orange); margin-bottom: 10px; }
.leader h3 { font-size: 26px; font-weight: 900; color: var(--brown); margin-bottom: 4px; }
.leader .role { font-size: 15px; font-weight: 700; color: var(--teal); margin-bottom: 12px; }
.leader p { color: var(--muted); font-size: 15px; }
.member .card-icon { width: 96px; height: 96px; background: var(--sand); }
.member .card-icon img { object-position: top; }
.member h3 span { color: var(--brown-light); font-weight: 400; font-size: 15px; }
.member .role-en { font-family: var(--font-en); font-size: 11px; letter-spacing: .12em; color: var(--orange); font-weight: 700; margin-bottom: 8px; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; background: linear-gradient(100deg, #fa7720, #f0620f); color: #fff; } /* 暖色收尾（曾试青色 #2492a4） */
.cta-band .btn-primary { background: #fff; color: var(--orange-dark); box-shadow: 0 8px 20px rgba(0,0,0,.15); }
.cta-band .btn-primary:hover { background: #fff3e8; color: var(--orange-dark); }
.cta-band::before { content: ''; position: absolute; inset: 0; background: url('../img/bg-linian.jpg') center/cover; opacity: .12; mix-blend-mode: luminosity; }
.cta-band .container { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-top: 64px; padding-bottom: 64px; }
.cta-band h2 { font-size: clamp(22px, 2.6vw, 32px); font-weight: 900; margin-bottom: 8px; }
.cta-band p { opacity: .85; }
.cta-band .btn-primary { flex-shrink: 0; }

/* ---------- Footer（单行紧凑版） ---------- */
.site-footer { background: var(--warm-cream); border-top: 1px solid #f1e4d3; padding: 36px 0 18px; color: var(--warm-brown); }
.footer-main { display: grid; grid-template-columns: minmax(220px, 1.1fr) minmax(0, 1.6fr) auto; align-items: center; gap: 40px; padding-bottom: 26px; border-bottom: 1px solid #f1e4d3; }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; min-width: 0; }
.footer-brand img { height: 40px; width: auto; }
.footer-brand p { font-size: 13px; line-height: 1.7; color: #7d6b5c; margin: 0; max-width: 260px; }
.footer-contact { display: grid; grid-template-columns: repeat(2, minmax(0, max-content)); justify-content: center; gap: 14px 40px; padding: 0 40px; border-left: 1px solid #f1e4d3; border-right: 1px solid #f1e4d3; }
.footer-contact a, .footer-contact .fc { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: #6b5645; transition: color .2s; white-space: nowrap; }
.footer-contact .fi { width: 20px; height: 20px; padding: 7px; box-sizing: content-box; border-radius: 50%; background: #fff; color: var(--orange); flex-shrink: 0; box-shadow: 0 1px 2px rgba(109,58,21,.06); }
.footer-contact a:hover { color: var(--orange); }
.footer-qr { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.qr-box { width: 104px; height: 104px; padding: 4px; background: #fff; border-radius: 12px; border: 1px solid #f1e4d3; box-shadow: 0 4px 12px rgba(109,58,21,.06); display: flex; align-items: center; justify-content: center; }
.qr-box img { width: 96px; height: 96px; display: block; border-radius: 6px; }
.qr-box.is-missing { border-style: dashed; }
.qr-box.is-missing img { display: none; }
.qr-box.is-missing::after { content: 'QR'; font-size: 13px; font-weight: 700; color: #c8ab8a; letter-spacing: .1em; }
.footer-qr p { margin: 0; font-size: 12px; color: #7d6b5c; white-space: nowrap; }
.qr-tip-mob { display: none; }
.footer-bottom { padding-top: 16px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; font-size: 12px; color: #a9825a; }

/* ---------- Modal (获取详细资料) ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.is-open { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(42, 31, 22, .55); backdrop-filter: blur(4px); }
.modal-dialog { position: relative; width: min(520px, 100%); max-height: 90vh; overflow: auto; background: #fff; border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-hover); animation: modalIn .25s ease; }
@keyframes modalIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.modal-close { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border-radius: 50%; background: var(--sand); color: var(--brown); font-size: 20px; line-height: 1; }
.modal h3 { font-size: 22px; font-weight: 900; color: var(--brown); margin-bottom: 6px; }
.modal .sub { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.modal .form { box-shadow: none; border: 0; padding: 0; }

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); z-index: 300; background: var(--brown); color: #fff; padding: 12px 22px; border-radius: 999px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; box-shadow: var(--shadow-hover); }
.toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .masonry { columns: 2; }
  .footer-main { grid-template-columns: 1fr auto; gap: 28px 32px; }
  .footer-brand { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 16px; }
  .footer-brand p { max-width: none; }
  .footer-contact { padding: 0; border: 0; justify-content: start; gap: 14px 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stages { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .hero-inner { gap: 32px; }
  .main-nav a { padding: 8px 10px; font-size: 14px; }
  .lang-switch { display: none; }
  .lang-mobile { display: inline-flex; margin-left: 12px; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .container { width: calc(100% - 40px); }
  .section { padding: 64px 0; }
  .section-sm { padding: 48px 0; }
  .section-head { margin-bottom: 36px; }

  /* Header → drawer nav；移动端去掉毛玻璃：backdrop-filter 会把 fixed 的抽屉菜单变成 header 的子定位，导致菜单被挡住 */
  .site-header { background: var(--cream); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .nav-toggle { display: flex; order: 3; margin-left: 8px; }
  .lang-mobile { order: 2; margin-left: auto; }
  .header-actions { display: none; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--cream); flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 20px 32px; margin: 0; overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  }
  .main-nav.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .25s ease, transform .25s ease, visibility 0s; }
  .main-nav a { padding: 16px 12px; font-size: 18px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .main-nav .nav-cta { display: block; margin-top: 20px; }
  .main-nav .nav-cta .btn { width: 100%; }
  body.nav-locked { overflow: hidden; }

  .hero-inner { grid-template-columns: 1fr; padding: 40px 0 48px; }
  .hero-media { order: -1; }
  .hero-media img { aspect-ratio: 16/10; }
  .hero-media::before, .hero-media::after { display: none; }
  .hero h1 { font-size: clamp(28px, 7.5vw, 36px); }
  .hero h1 br { display: none; }
  .hero p.lead { font-size: 15px; }
  .hero-actions .btn { width: 100%; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; border-top: 1px solid var(--line); padding: 20px 12px; }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--line); }

  .sub-nav ul { justify-content: flex-start; padding: 8px 20px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 16px; }
  .masonry { columns: 1; }
  .reviews-wrap::before, .reviews-wrap::after { display: none; }
  .scene-chips { margin: -8px 0 28px; }
  .card { padding: 26px 22px; }
  .card-media { margin: -26px -22px 20px; }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 28px; }
  .split.reverse > :first-child { order: 0; }
  .stages { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stage .ph, .stage .stage-img { aspect-ratio: 16/9; }
  .flow-bottom { gap: 8px; }
  .test-wrap, .form-panel { grid-template-columns: 1fr; gap: 28px; }
  .test-card, .form { padding: 28px 22px; }
  .steps { grid-template-columns: 1fr; }
  .leader { grid-template-columns: 1fr; text-align: center; padding: 28px 22px; }
  .leader-photo { width: 160px; margin: 0 auto; }
  .cta-band .container { flex-direction: column; text-align: center; padding-top: 48px; padding-bottom: 48px; }
  .footer-main { grid-template-columns: 1fr; gap: 22px; }
  .footer-brand { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-contact { grid-template-columns: 1fr; gap: 10px; }
  .footer-contact .fi { width: 18px; height: 18px; padding: 6px; }
  .qr-box { width: 92px; height: 92px; }
  .qr-box img { width: 84px; height: 84px; }
  .footer-qr { flex-direction: row; gap: 14px; justify-self: start; }
  .footer-qr p { white-space: normal; }
  .qr-tip-desk { display: none; }
  .qr-tip-mob { display: inline; font-size: 13px; line-height: 1.6; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .modal-dialog { padding: 28px 22px; }
}

@media (max-width: 480px) {
  .stage-body { padding: 14px; }
  .stage-body h3 { font-size: 18px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .brand-text { display: none; }
}