/* ==========================================================================
   丽芬 · 身心整合  |  zhoulifen.cn  v2
   视觉基准：个人品牌视觉风格指南 v2.1（浅冰蓝 / 深蓝紫 / 青蓝 / 柔金）
   ========================================================================== */

:root {
  --bg:        #F4FAFC;
  --bg-2:      #EAF6FA;
  --ice:       #D2EAEE;
  --ink:       #434975;   /* 深蓝紫 · 主标题 */
  --ink-2:     #677191;   /* 蓝灰 · 次级 */
  --ink-3:     #93A0B4;   /* 说明文字 */
  --teal:      #8CB9C8;   /* 青蓝 · 装饰 */
  --teal-deep: #5D93A6;
  --gold:      #FFBE23;   /* 柔金 · 点睛 */
  --gold-soft: #FFF3D4;
  --line:      #D6E5EC;
  --white:     #FFFFFF;
  --shadow:    0 1px 2px rgba(67,73,117,.04), 0 14px 36px rgba(67,73,117,.07);
  --shadow-lg: 0 2px 4px rgba(67,73,117,.05), 0 24px 60px rgba(67,73,117,.10);
  --r:         18px;
  --r-lg:      28px;
  --maxw:      1120px;
  --read:      744px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

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

body {
  background: var(--bg);
  color: var(--ink-2);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

::selection { background: var(--ice); color: var(--ink); }

a { color: var(--teal-deep); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--ink); }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.35; letter-spacing: -.01em; }

/* ---------- 布局 ---------- */
main { flex: 1; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: var(--read); }

section { position: relative; }

.section { padding: 88px 0; }
.section.tight { padding: 64px 0; }
.section.alt { background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-2) 100%); }
.section.ice { background: var(--bg-2); }

.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--teal-deep);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow.gold { color: #C9931A; }

h2.title { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 16px; }
h2.title .hl { color: var(--teal-deep); }

.sub { font-size: 17px; line-height: 1.9; color: var(--ink-2); }

/* ---------- 页面光斑 ---------- */
.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.aurora::before,
.aurora::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(72px); opacity: .55;
}
.aurora::before {
  width: 620px; height: 620px; top: -260px; right: -160px;
  background: radial-gradient(circle, rgba(140,185,200,.34) 0%, rgba(255,255,255,0) 70%);
}
.aurora::after {
  width: 520px; height: 520px; bottom: -240px; left: -180px;
  background: radial-gradient(circle, rgba(255,190,35,.16) 0%, rgba(255,255,255,0) 70%);
}
.section > .wrap { position: relative; z-index: 1; }

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(247,252,253,.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(220,233,238,.9);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: .02em; }
.brand-sub { font-size: 10.5px; letter-spacing: .16em; color: var(--ink-3); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; display: block;
  font-size: 15px; color: var(--ink-2);
  padding: 8px 13px; border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.nav a:hover { color: var(--ink); background: rgba(210,234,238,.5); }
.nav a.active { color: var(--ink); font-weight: 600; background: var(--ice); }
.nav a.nav-cta {
  margin-left: 8px; background: var(--ink); color: #fff; font-weight: 600;
  padding: 9px 20px;
}
.nav a.nav-cta:hover { background: #353A61; color: #fff; }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 12px; background: #fff; color: var(--ink); cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 18px; height: 1.6px; background: currentColor; position: relative; }
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 1.6px; background: currentColor;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px;
  font-size: 15.5px; font-weight: 600; line-height: 1;
  background: var(--ink); color: #fff;
  border: 1px solid var(--ink);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { background: #353A61; color: #fff; transform: translateY(-1px); box-shadow: 0 12px 26px rgba(67,73,117,.22); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--teal); }
.btn-ghost:hover { background: rgba(210,234,238,.55); color: var(--ink); box-shadow: none; }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #4A3A05; }
.btn-gold:hover { background: #F5B000; color: #4A3A05; box-shadow: 0 12px 26px rgba(255,190,35,.32); }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.links { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- 首页 Hero ---------- */
.hero { padding: 72px 0 76px; }
.hero-grid {
  display: grid; grid-template-columns: 1.12fr .88fr;
  gap: 56px; align-items: center;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; letter-spacing: .14em; color: var(--teal-deep); font-weight: 600;
  margin-bottom: 22px;
}
.hero-kicker::before {
  content: ""; width: 26px; height: 1px; background: var(--teal);
}
h1.hero-title {
  font-size: clamp(32px, 4.2vw, 50px);
  line-height: 1.28; letter-spacing: -.02em;
  margin-bottom: 24px;
}
h1.hero-title em {
  font-style: normal; position: relative; white-space: nowrap;
}
h1.hero-title em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px;
  background: linear-gradient(90deg, rgba(255,190,35,.55), rgba(255,190,35,.16));
  border-radius: 3px; z-index: -1;
}
.hero-lede { font-size: 17px; line-height: 1.95; color: var(--ink-2); max-width: 560px; margin-bottom: 32px; }
.hero-lede strong { color: var(--ink); font-weight: 600; }

.hero-metrics {
  display: flex; flex-wrap: wrap; gap: 34px;
  margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line);
}
.metric-num { font-size: 28px; font-weight: 700; color: var(--ink); line-height: 1.1; letter-spacing: -.02em; }
.metric-num .unit { font-size: 14px; font-weight: 600; color: var(--teal-deep); margin-left: 3px; }
.metric-label { font-size: 13px; color: var(--ink-3); margin-top: 6px; letter-spacing: .02em; }

/* 右侧品牌图形卡 */
.hero-visual {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(160deg, #FFFFFF 0%, var(--bg-2) 55%, var(--ice) 100%);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: var(--shadow-lg);
  padding: 40px 36px 68px;
  aspect-ratio: 4 / 4.5;
  display: flex; flex-direction: column; justify-content: space-between;
}
.hero-visual .hv-sun { width: 92px; height: 92px; color: var(--teal); }
.hero-visual .hv-quote {
  font-size: 23px; line-height: 1.6; color: var(--ink); font-weight: 600; letter-spacing: .01em;
}
.hero-visual .hv-quote span { color: var(--teal-deep); }
.hero-visual .hv-meta {
  font-size: 13px; letter-spacing: .16em; color: var(--ink-3); text-transform: uppercase;
}
.hero-visual .hv-wave {
  position: absolute; left: 0; right: 0; bottom: 0; height: 86px; opacity: .32; pointer-events: none;
}

/* ---------- 免费资源块 ---------- */
.free-block {
  display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center;
  background: linear-gradient(120deg, #FFFFFF 0%, #FDF9EE 100%);
  border: 1px solid #F2E4C2;
  border-radius: var(--r-lg);
  padding: 38px 42px;
  box-shadow: var(--shadow);
}
.fr-tag {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .1em;
  color: #8A6A11; background: var(--gold-soft); border: 1px solid #F3E2B4;
  padding: 5px 12px; border-radius: 999px; margin-bottom: 14px;
}
.free-block h2 { font-size: 25px; margin-bottom: 10px; }
.free-block p { font-size: 15.5px; line-height: 1.85; }
.free-block .fr-cta { margin-top: 16px; font-size: 14.5px; color: var(--ink); font-weight: 600; }
.fr-side { text-align: center; flex: none; }
.fr-badge {
  width: 132px; height: 132px; border-radius: 24px;
  background: #fff; border: 1px solid #F0E3C4;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  box-shadow: 0 10px 24px rgba(255,190,35,.14);
}
.fr-badge .n { font-size: 26px; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
.fr-badge .t { font-size: 12px; color: var(--ink-3); letter-spacing: .08em; }

/* ---------- 痛点卡 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pain {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 26px 28px; transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.pain:hover { border-color: var(--teal); box-shadow: var(--shadow); transform: translateY(-2px); }
.pain h3 { font-size: 17px; margin-bottom: 8px; }
.pain p { font-size: 15px; line-height: 1.8; color: var(--ink-2); }
.pain .pn { font-size: 12px; font-weight: 700; color: var(--teal); letter-spacing: .12em; display: block; margin-bottom: 10px; }

/* ---------- 方法：三境九法 ---------- */
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.method {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 32px 30px 30px; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.method:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.method .m-index {
  position: absolute; top: 18px; right: 24px;
  font-size: 46px; font-weight: 700; line-height: 1;
  color: rgba(140,185,200,.22); letter-spacing: -.04em;
}
.method .m-stage { font-size: 12px; font-weight: 700; letter-spacing: .16em; color: var(--teal-deep); margin-bottom: 10px; }
.method h3 { font-size: 21px; margin-bottom: 6px; }
.method .m-en { font-size: 12px; letter-spacing: .12em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 18px; }
.method ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.method li {
  font-size: 14.5px; color: var(--ink-2); padding-left: 18px; position: relative; line-height: 1.7;
}
.method li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}
.method .m-note {
  margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line);
  font-size: 13.5px; color: var(--ink-3); line-height: 1.75;
}

/* ---------- 案例卡 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px 28px; transition: transform .25s ease, box-shadow .25s ease;
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.case-tag {
  display: inline-block; align-self: flex-start; font-size: 12px; font-weight: 600;
  letter-spacing: .06em; color: var(--teal-deep); background: rgba(210,234,238,.55);
  padding: 4px 11px; border-radius: 999px; margin-bottom: 16px;
}
.case-title { font-size: 18.5px; line-height: 1.55; margin-bottom: 14px; }
.case-quote {
  font-size: 15px; line-height: 1.85; color: var(--ink); font-weight: 500;
  padding-left: 14px; border-left: 2px solid var(--gold); margin-bottom: 16px;
}
.case-body { font-size: 14.5px; line-height: 1.85; color: var(--ink-2); margin-bottom: 18px; }
.case-link { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--teal-deep); }
.case-link:hover { color: var(--ink); }

/* ---------- 文章列表 ---------- */
.post-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.post {
  display: grid; grid-template-columns: 96px 1fr auto; gap: 22px; align-items: start;
  padding: 22px 4px; border-bottom: 1px solid var(--line);
  transition: background .2s ease;
}
.post:hover { background: rgba(234,246,250,.5); }
.post-date { font-size: 13px; color: var(--ink-3); letter-spacing: .04em; padding-top: 4px; }
.post h3 { font-size: 17.5px; line-height: 1.55; margin-bottom: 6px; }
.post p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }
.post-arrow { color: var(--teal); font-size: 18px; padding-top: 2px; }

/* ---------- 时间轴 ---------- */
.timeline { list-style: none; position: relative; padding-left: 0; }
.timeline::before {
  content: ""; position: absolute; left: 96px; top: 10px; bottom: 10px; width: 1px;
  background: linear-gradient(180deg, var(--teal), rgba(140,185,200,.15));
}
.timeline li { display: grid; grid-template-columns: 76px 1fr; gap: 42px; padding: 0 0 30px; position: relative; }
.timeline li::before {
  content: ""; position: absolute; left: 91px; top: 12px;
  width: 11px; height: 11px; border-radius: 50%; background: #fff;
  border: 2px solid var(--teal); box-sizing: border-box;
}
.timeline li.key::before { background: var(--gold); border-color: var(--gold); }
.tl-year { font-size: 13.5px; font-weight: 700; color: var(--teal-deep); letter-spacing: .04em; padding-top: 5px; }
.tl-body h3 { font-size: 17px; margin-bottom: 6px; }
.tl-body p { font-size: 14.5px; line-height: 1.85; color: var(--ink-2); }

/* ---------- 关于我 ---------- */
.about-hero { padding: 70px 0 20px; }
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.portrait-card {
  border-radius: var(--r-lg); overflow: hidden; position: relative;
  background: linear-gradient(165deg, #FFFFFF, #E8F4F8 62%, #D2EAEE);
  border: 1px solid rgba(140,185,200,.4); box-shadow: var(--shadow-lg);
  padding: 34px 30px; display: flex; flex-direction: column; gap: 18px; min-height: 380px;
}
.portrait-card .pc-sun { width: 74px; height: 74px; color: var(--teal); }
.portrait-card .pc-line { font-size: 15px; line-height: 1.9; color: var(--ink); }
.portrait-card .pc-sign { margin-top: auto; font-size: 12.5px; letter-spacing: .14em; color: var(--ink-3); text-transform: uppercase; }
.about-lead h1 { font-size: clamp(30px, 3.8vw, 42px); margin-bottom: 20px; line-height: 1.35; }
.about-lead .lede { font-size: 17px; line-height: 1.95; margin-bottom: 26px; }
.ident { list-style: none; display: grid; gap: 10px; }
.ident li {
  font-size: 15px; color: var(--ink-2); padding-left: 22px; position: relative; line-height: 1.7;
}
.ident li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px; border-radius: 2px; background: var(--teal); transform: rotate(45deg);
}

/* 正文段落 */
.prose { max-width: var(--read); }
.prose p { font-size: 16.5px; line-height: 2; margin-bottom: 20px; color: var(--ink-2); }
.prose p strong { color: var(--ink); font-weight: 600; }
.prose p .mark { background: linear-gradient(180deg, transparent 62%, rgba(255,190,35,.35) 62%); }

.pullquote {
  max-width: var(--read); margin: 40px 0; padding: 28px 32px;
  background: #fff; border-left: 3px solid var(--gold); border-radius: 0 var(--r) var(--r) 0;
  font-size: 18px; line-height: 1.8; color: var(--ink); box-shadow: var(--shadow);
}

/* ---------- 产品卡 ---------- */
.page-head { padding: 64px 0 12px; }
.page-title { font-size: clamp(30px, 4vw, 44px); margin-bottom: 14px; }
.page-sub { font-size: 17px; color: var(--ink-2); max-width: 640px; line-height: 1.9; }

.quote-bar {
  max-width: var(--read); margin: 34px 0 0; padding-left: 20px;
  border-left: 2px solid var(--teal);
}
.quote-bar p { font-size: 16px; color: var(--ink); line-height: 1.8; }
.quote-bar .qa { font-size: 13.5px; color: var(--ink-3); margin-top: 8px; }

.product-stack { display: flex; flex-direction: column; gap: 22px; }
.product-card {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; transition: box-shadow .25s ease, border-color .25s ease;
}
.product-card:hover { box-shadow: var(--shadow-lg); border-color: #C9DEE6; }
.product-card.is-featured { border-color: var(--gold); box-shadow: 0 0 0 1px rgba(255,190,35,.35), var(--shadow); }
.pc-main { padding: 32px 34px; }
.pc-side {
  background: linear-gradient(180deg, #E4F2F6, #F8FCFD 70%);
  border-left: 1px solid var(--line);
  padding: 32px 30px; display: flex; flex-direction: column; gap: 14px;
}
.pc-badge {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: var(--teal-deep); background: rgba(210,234,238,.6);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 14px;
}
.pc-badge.gold { color: #8A6A11; background: var(--gold-soft); }
.pc-name { font-size: 22px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.pc-desc { font-size: 15.5px; line-height: 1.85; color: var(--ink-2); margin-bottom: 18px; }
.pc-desc strong { color: var(--ink); font-weight: 600; }
.pc-features { list-style: none; display: grid; gap: 9px; }
.pc-features li { font-size: 14.5px; color: var(--ink-2); line-height: 1.75; padding-left: 24px; position: relative; }
.pc-features li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--teal-deep); font-size: 13px; font-weight: 700;
}
.pc-features li strong { color: var(--ink); font-weight: 600; }
.pc-label { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--ink-3); text-transform: uppercase; }
.pc-suit { font-size: 14.5px; line-height: 1.85; color: var(--ink-2); }
.pc-suit b { color: var(--ink); }
.pc-metas { display: grid; gap: 12px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pc-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 13.5px; }
.pc-meta span:first-child { color: var(--ink-3); }
.pc-meta span:last-child { color: var(--ink); font-weight: 600; }
.pc-side .btn { justify-content: center; margin-top: auto; }

/* ---------- 对比表 ---------- */
.table-scroll { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--line); background: #fff; }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 14.5px; }
table.compare th, table.compare td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
table.compare thead th {
  background: var(--bg-2); font-size: 13.5px; color: var(--ink); font-weight: 700;
  vertical-align: bottom; line-height: 1.5;
}
table.compare thead th span { display: block; font-size: 12px; font-weight: 500; color: var(--ink-3); margin-top: 4px; }
table.compare tbody th { font-weight: 500; color: var(--ink-2); background: #FCFEFF; }
table.compare td { color: var(--ink-2); }
table.compare .hl { background: rgba(255,190,35,.10); color: var(--ink); font-weight: 600; }
table.compare tr:last-child td, table.compare tr:last-child th { border-bottom: none; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 14px; }
details.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 18px 22px; transition: border-color .2s ease;
}
details.faq-item[open] { border-color: var(--teal); }
details.faq-item summary {
  cursor: pointer; list-style: none; font-size: 16px; font-weight: 600; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: "+"; font-size: 20px; color: var(--teal); font-weight: 400; line-height: 1; }
details.faq-item[open] summary::after { content: "−"; }
details.faq-item .faq-body { font-size: 15px; line-height: 1.9; color: var(--ink-2); margin-top: 12px; }

/* ---------- 案例页 ---------- */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden;
}
.stat { background: #fff; padding: 26px 24px; }
.stat .sn { font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.1; letter-spacing: -.02em; }
.stat .sn small { font-size: 14px; color: var(--teal-deep); font-weight: 600; }
.stat .sl { font-size: 13px; color: var(--ink-3); margin-top: 8px; line-height: 1.6; }

.issue-list { display: grid; gap: 18px; max-width: 820px; }
.issue { display: grid; grid-template-columns: 148px 1fr 56px; gap: 18px; align-items: center; }
.issue .in { font-size: 14.5px; color: var(--ink); font-weight: 500; }
.issue .bar { height: 8px; border-radius: 999px; background: #DCEBF1; overflow: hidden; }
.issue .bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--teal), var(--teal-deep)); }
.issue .iv { font-size: 13.5px; color: var(--ink-3); text-align: right; }

.case-full {
  display: grid; grid-template-columns: .85fr 1.75fr; gap: 44px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 36px 38px; align-items: start;
}
.case-full + .case-full { margin-top: 20px; }
.cf-left { position: sticky; top: 96px; }
.cf-left .cf-name { font-size: 13px; font-weight: 700; letter-spacing: .12em; color: var(--teal-deep); margin-bottom: 12px; }
.cf-left h3 { font-size: 21px; line-height: 1.5; margin-bottom: 14px; }
.cf-left .cf-quote { font-size: 15px; line-height: 1.85; color: var(--ink); border-left: 2px solid var(--gold); padding-left: 14px; }
.cf-right { display: grid; gap: 18px; }
.cf-row { display: grid; grid-template-columns: 78px 1fr; gap: 16px; align-items: start; }
.cf-row .k { font-size: 12.5px; font-weight: 700; letter-spacing: .06em; color: var(--ink-3); padding-top: 2px; }
.cf-row .v { font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.cf-row .v strong { color: var(--ink); font-weight: 600; }

/* ---------- 博客页 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.filter-bar button {
  font-family: inherit; font-size: 14px; color: var(--ink-2); cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 18px; transition: all .2s ease;
}
.filter-bar button:hover { border-color: var(--teal); color: var(--ink); }
.filter-bar button.on { background: var(--ink); border-color: var(--ink); color: #fff; }

.post-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px 30px; transition: transform .25s ease, box-shadow .25s ease;
}
.post-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.post-card .pmeta { display: flex; gap: 12px; align-items: center; font-size: 12.5px; color: var(--ink-3); margin-bottom: 12px; }
.post-card .ptag { color: var(--teal-deep); background: rgba(210,234,238,.55); padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.post-card h3 { font-size: 19px; line-height: 1.55; margin-bottom: 10px; }
.post-card .pexcerpt { font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.post-card .pmore { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--teal-deep); }
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* 文章卡内的摘录折叠 */
details.pc-detail { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 14px; }
details.pc-detail summary {
  cursor: pointer; list-style: none;
  font-size: 14px; font-weight: 600; color: var(--teal-deep);
  display: flex; align-items: center; gap: 6px;
}
details.pc-detail summary::-webkit-details-marker { display: none; }
details.pc-detail summary::after { content: "↓"; font-size: 12px; transition: transform .2s ease; }
details.pc-detail[open] summary::after { transform: rotate(180deg); }
details.pc-detail .detail-body {
  margin-top: 12px; font-size: 14.5px; line-height: 1.95; color: var(--ink-2);
  padding: 16px 18px; background: rgba(234,246,250,.7); border-radius: 12px;
}
.empty-hint { text-align: center; color: var(--ink-3); font-size: 15px; padding: 40px 0; }
.post-card[hidden] { display: none; }

/* ---------- 光的疗愈中心 ---------- */
.center-hero { padding: 90px 0 40px; text-align: center; }
.center-hero .ch-badge {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .12em;
  color: #8A6A11; background: var(--gold-soft); border: 1px solid #F3E2B4;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 26px;
}
.center-hero h1 { font-size: clamp(32px, 4.6vw, 52px); margin-bottom: 20px; }
.center-hero .ch-sub { font-size: 17.5px; line-height: 1.95; max-width: 620px; margin: 0 auto 30px; color: var(--ink-2); }
.roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.road {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px 26px; position: relative;
}
.road.now { border-color: var(--gold); box-shadow: 0 0 0 1px rgba(255,190,35,.3); }
.road .rn { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--teal-deep); margin-bottom: 10px; }
.road h3 { font-size: 18.5px; margin-bottom: 10px; }
.road p { font-size: 14.5px; line-height: 1.85; color: var(--ink-2); }
.road .ry { position: absolute; top: 26px; right: 24px; font-size: 12.5px; color: var(--ink-3); }

.notice {
  background: var(--bg-2); border: 1px dashed var(--teal);
  border-radius: var(--r-lg); padding: 32px 34px; text-align: center;
}
.notice h3 { font-size: 19px; margin-bottom: 10px; }
.notice p { font-size: 15px; color: var(--ink-2); line-height: 1.9; }

/* ---------- CTA 区 ---------- */
.cta-block {
  background: linear-gradient(135deg, var(--ink) 0%, #565C8B 100%);
  border-radius: var(--r-lg); padding: 56px 48px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-block::after {
  content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%;
  right: -140px; bottom: -220px;
  background: radial-gradient(circle, rgba(255,190,35,.28), rgba(255,190,35,0) 70%);
}
.cta-block h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); margin-bottom: 14px; position: relative; }
.cta-block p { color: rgba(255,255,255,.82); font-size: 16px; line-height: 1.9; max-width: 560px; margin: 0 auto 26px; position: relative; }
.cta-block .links { justify-content: center; position: relative; }
.cta-wx { font-size: 14px; color: rgba(255,255,255,.72) !important; margin: -8px auto 22px !important; letter-spacing: .02em; }
.cta-wx b { color: #FFD466; font-weight: 600; }
.cta-block .btn { background: #fff; border-color: #fff; color: var(--ink); }
.cta-block .btn:hover { background: #F0F6F8; color: var(--ink); }
.cta-block .btn-ghost { background: transparent; border-color: rgba(255,255,255,.45); color: #fff; }
.cta-block .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: #FBFDFE; border-top: 1px solid var(--line);
  margin-top: 0; padding: 56px 0 26px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; }
.footer-brand .brand-name { font-size: 18px; }
.footer-brand p { font-size: 14.5px; line-height: 1.9; color: var(--ink-2); margin-top: 14px; max-width: 320px; }
.fc-title { display: block; font-size: 12.5px; font-weight: 700; letter-spacing: .14em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: grid; gap: 9px; }
.footer-col li { font-size: 14.5px; color: var(--ink-2); }
.footer-col a { color: var(--ink-2); }
.footer-col a:hover { color: var(--teal-deep); }
.footer-col b { font-weight: 600; color: var(--ink); }
.footer-legal {
  margin-top: 42px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; justify-content: space-between;
  font-size: 13px; color: var(--ink-3);
}
.footer-legal .fl-left { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
.footer-legal a { color: var(--ink-3); }
.footer-legal a:hover { color: var(--teal-deep); }
.beian { display: inline-flex; align-items: center; gap: 5px; }
.beian img { width: 16px; height: 16px; }

/* ---------- 入场动画 ---------- */
.reveal { transition: opacity .7s ease, transform .7s ease; }
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .cf-left { position: static; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { aspect-ratio: auto; min-height: 300px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .method-grid, .case-grid, .roadmap { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 1fr; }
  .pc-side { border-left: none; border-top: 1px solid var(--line); }
  .case-full { grid-template-columns: 1fr; gap: 26px; padding: 30px 26px; }
  .post-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .section { padding: 60px 0; }
  .hero { padding: 44px 0 56px; }
  .nav {
    position: fixed; inset: 62px 0 auto 0; z-index: 70;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #FBFDFE; border-bottom: 1px solid var(--line);
    padding: 12px 20px 20px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 13px 14px; border-radius: 12px; font-size: 16px; }
  .nav a.nav-cta { margin: 8px 0 0; text-align: center; }
  .nav-toggle { display: flex; }
  .header-inner { padding: 10px 20px; }
  .brand-sub { display: none; }
  .free-block { grid-template-columns: 1fr; gap: 24px; padding: 28px 24px; }
  .fr-side { display: flex; justify-content: flex-start; }
  .pain-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 4px; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; padding-left: 26px; }
  .timeline li::before { left: -1px; }
  .post { grid-template-columns: 1fr; gap: 6px; }
  .post-arrow { display: none; }
  .cta-block { padding: 40px 24px; }
  .issue { grid-template-columns: 110px 1fr 44px; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  h1.hero-title { font-size: 29px; line-height: 1.4; }
  .about-lead h1 { font-size: 26px; }
  .page-title, .center-hero h1 { font-size: 28px; }
  .hero-visual { padding: 28px 24px 56px; min-height: 260px; }
  .hero-visual .hv-quote { font-size: 19px; }
  .hero-visual .hv-sun { width: 58px; height: 58px; }
  .portrait-card { min-height: 0; padding: 26px 24px; }
  .case-full { padding: 26px 22px; }
  .cf-row { grid-template-columns: 1fr; gap: 4px; }
  .product-card .pc-main, .pc-side { padding: 26px 22px; }
  .pc-name { font-size: 20px; }
  .stat .sn { font-size: 25px; }
  .notice { padding: 26px 22px; }

  .footer-legal { justify-content: flex-start; }
  .hero-metrics { gap: 22px; }
  .metric-num { font-size: 24px; }
}