/* roulang page: index */
:root{
  --bg-paper:#F6F4EF;
  --bg-ink:#14121C;
  --brand:#3D3470;
  --brand-soft:#E7E3F2;
  --accent:#2FB89C;
  --accent-ink:#1F7D6B;
  --line:#DDD7CB;
  --text:#1B1926;
  --text-muted:#6C6880;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,18,28,.04);
  --shadow-2:0 8px 24px -12px rgba(20,18,28,.18);
  --shadow-3:0 20px 48px -24px rgba(20,18,28,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--bg-paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-top:76px;
}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration:none;transition:color .28s var(--ease),border-color .28s var(--ease)}
a:hover{color:var(--accent-ink)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{font-family:var(--serif);color:var(--brand);letter-spacing:-.01em;line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,4.2vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-inline:20px}
@media(min-width:1400px){.container{max-width:1320px}}
section{position:relative}
.section{padding:104px 0}
.section-sm{padding:72px 0}
@media(max-width:991px){.section{padding:72px 0}.section-sm{padding:56px 0}}
.eyebrow{
  font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-muted);font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block}
.lead{font-size:1.0625rem;color:var(--text-muted);max-width:640px}
.btn{font-family:var(--sans);font-weight:600;border-radius:var(--radius-btn);padding:.78rem 1.5rem;font-size:.95rem;border:1px solid transparent;transition:all .28s var(--ease)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-main{background:var(--accent);color:#0F1E1A}
.btn-main:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:var(--bg-paper)}
.btn-ink{background:var(--brand);color:#fff}
.btn-ink:hover{background:var(--accent);color:#0F1E1A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.text-link{color:var(--accent-ink);font-weight:600;border-bottom:1px solid rgba(31,125,107,.35);text-underline-offset:4px}
.text-link:hover{border-bottom:2px solid var(--accent-ink)}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(246,244,239,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),background .28s var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-2);background:rgba(246,244,239,.94)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand);font-family:var(--serif);font-weight:800;font-size:1.075rem;letter-spacing:.01em}
.brand svg{flex:0 0 auto}
.brand:hover{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;color:var(--text);font-size:.95rem;font-weight:500;
  padding:8px 12px;border-radius:8px;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--brand);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);transition:transform .28s var(--ease),opacity .28s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;background:var(--bg-paper);
  padding:28px 20px 40px;display:flex;flex-direction:column;gap:4px;
  transform:translateY(-10px);opacity:0;pointer-events:none;transition:opacity .28s var(--ease),transform .28s var(--ease);
  z-index:1029;overflow-y:auto;
}
.mobile-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-drawer a{color:var(--text);font-size:1.125rem;font-weight:500;padding:14px 4px;border-bottom:1px solid var(--line)}
.mobile-drawer a.active{color:var(--brand);font-weight:700}
.mobile-drawer .btn{margin-top:24px;text-align:center}
@media(max-width:991px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
}
@media(min-width:992px){.mobile-drawer{display:none}}

/* hero */
.hero{padding:72px 0 88px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;width:720px;height:720px;right:-220px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,52,112,.14),rgba(61,52,112,0) 68%);
  animation:floatSlow 20s ease-in-out infinite alternate;pointer-events:none;
}
@keyframes floatSlow{from{transform:translate3d(0,0,0)}to{transform:translate3d(-6px,6px,0)}}
.hero h1{margin-bottom:20px}
.hero h1 .mark{
  position:relative;white-space:nowrap;
}
.hero h1 .mark::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:6px;background:rgba(47,184,156,.28);border-radius:3px;
}
.hero-sub{font-size:1.0625rem;color:var(--text-muted);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-figure{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(61,52,112,.08)}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:28px}
.hero-stat{flex:1 1 150px;padding-right:24px;border-right:1px solid var(--line);margin-right:24px}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stat b{display:block;font-family:var(--serif);font-size:clamp(1.7rem,2.6vw,2.2rem);color:var(--brand);font-weight:800;line-height:1.1}
.hero-stat span{font-size:.8125rem;color:var(--text-muted);letter-spacing:.04em}
@media(max-width:575px){
  .hero-stat{flex:1 1 100%;border-right:0;margin-right:0;padding:14px 0;border-bottom:1px solid var(--line)}
  .hero-stat:last-child{border-bottom:0}
}

/* pain */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.pain-card{background:transparent;border-top:2px solid var(--line);padding:24px 4px 4px}
.pain-card .num{font-family:var(--serif);font-size:2.2rem;font-weight:800;color:var(--brand-soft);line-height:1;text-shadow:0 0 0 var(--brand);-webkit-text-stroke:0}
.pain-card h3{font-size:1.0625rem;margin:14px 0 8px}
.pain-card p{font-size:.9375rem;color:var(--text-muted);margin:0}
@media(max-width:991px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:575px){.pain-grid{grid-template-columns:1fr}}

/* solution */
.solution-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:88px}
.solution-row:last-child{margin-bottom:0}
.solution-row.reverse .solution-text{order:2}
.solution-row.reverse .solution-figure{order:1}
.solution-figure{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.solution-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.solution-figure:hover{transform:scale(1.02);box-shadow:var(--shadow-3)}
.solution-text h3{font-size:1.35rem;margin-bottom:14px}
.solution-text .lead{margin-bottom:22px}
.point-list li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--text);font-size:.9688rem}
.point-list li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:2px;background:var(--accent)}
@media(max-width:991px){
  .solution-row{grid-template-columns:1fr;gap:28px;margin-bottom:64px}
  .solution-row.reverse .solution-text,.solution-row.reverse .solution-figure{order:0}
}

/* results (dark) */
.results{background:var(--bg-ink);color:#EDEAF5;padding:104px 0}
.results h2{color:#fff}
.results .eyebrow{color:#A9A2C4}
.results .eyebrow::before{background:var(--accent)}
.results .lead{color:#B7B1CC}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:56px}
.metric b{display:block;font-family:var(--serif);font-size:clamp(2.4rem,3.6vw,3.6rem);font-weight:900;color:#fff;line-height:1.05}
.metric .tag{
  display:inline-block;margin-top:12px;padding:3px 12px;border-radius:999px;
  background:rgba(47,184,156,.16);color:var(--accent);font-size:.75rem;letter-spacing:.06em;
}
.metric p{margin-top:10px;color:#B7B1CC;font-size:.9375rem}
.timeline{position:relative;margin-top:72px;padding-top:8px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:16px;height:1px;background:rgba(255,255,255,.18)}
.timeline-track{display:flex;justify-content:space-between;gap:16px}
.tl-node{text-align:center;flex:1;position:relative}
.tl-node .dot{
  width:14px;height:14px;border-radius:50%;background:var(--accent);margin:0 auto 16px;
  transition:transform .28s var(--ease);box-shadow:0 0 0 6px rgba(47,184,156,.12);
}
.tl-node:hover .dot{transform:scale(1.2)}
.tl-node span{display:block;font-size:.8125rem;letter-spacing:.06em;color:var(--accent)}
.tl-node p{font-size:.9375rem;color:#C7C2DA;margin:6px 0 0}
@media(max-width:991px){.metrics{grid-template-columns:repeat(2,1fr);gap:32px 24px}}
@media(max-width:767px){
  .timeline-track{flex-direction:column;gap:24px}
  .timeline::before{display:none}
  .tl-node{text-align:left;display:flex;gap:14px;align-items:flex-start}
  .tl-node .dot{margin:6px 0 0}
}

/* testimonials */
.testi-wrap{display:grid;grid-template-columns:7fr 5fr;gap:24px;margin-top:48px}
.testi-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:40px;box-shadow:var(--shadow-1);position:relative;transition:border-color .28s var(--ease)}
.testi-main:hover{border-color:var(--accent)}
.testi-main .quote-mark{font-family:var(--serif);font-size:4.5rem;line-height:.7;color:var(--brand-soft);display:block;margin-bottom:12px}
.testi-main blockquote{margin:0;font-family:var(--serif);font-size:1.25rem;line-height:1.9;color:var(--text)}
.testi-person{display:flex;align-items:center;gap:14px;margin-top:28px}
.testi-person img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.testi-person b{display:block;font-size:.9375rem;color:var(--text)}
.testi-person span{font-size:.8125rem;color:var(--text-muted)}
.testi-side{display:flex;flex-direction:column;gap:24px}
.testi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);transition:border-color .28s var(--ease),transform .28s var(--ease)}
.testi-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.testi-card p{font-size:.9375rem;color:var(--text);margin:0 0 16px}
.testi-card span{font-size:.8125rem;color:var(--text-muted)}
@media(max-width:991px){.testi-wrap{grid-template-columns:1fr}}

/* cms list */
.cms-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.cms-list{display:flex;flex-direction:column;gap:16px}
.cms-row{
  display:flex;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.cms-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease);
}
.cms-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(47,184,156,.4)}
.cms-row:hover::before{transform:scaleY(1)}
.cms-row:hover h3 a{text-decoration:underline;text-underline-offset:5px}
.cms-thumb{flex:0 0 96px;width:96px;height:96px;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--brand-soft)}
.cms-thumb img{width:100%;height:100%;object-fit:cover}
.cms-body{flex:1;min-width:0}
.cms-body h3{font-size:1.125rem;margin:0 0 8px;font-weight:700}
.cms-body h3 a{color:var(--brand)}
.cms-body p{
  margin:0 0 10px;color:var(--text-muted);font-size:.9375rem;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.badge-soft{
  display:inline-block;padding:3px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  font-size:.75rem;letter-spacing:.04em;font-weight:600;
}
.cms-time{flex:0 0 auto;font-size:.8125rem;color:var(--text-muted);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.cms-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);padding:56px 20px;text-align:center;color:var(--text-muted);
  background:rgba(255,255,255,.5);
}
.cms-empty svg{margin-bottom:12px}
@media(max-width:767px){
  .cms-row{flex-direction:column;align-items:flex-start;gap:14px}
  .cms-thumb{width:100%;flex:0 0 auto;height:160px}
  .cms-time{align-self:flex-start}
}

/* faq */
.faq-list{max-width:840px;margin:40px auto 0}
.accordion-item{border:1px solid var(--line);border-radius:var(--radius-card)!important;margin-bottom:16px;overflow:hidden;background:#fff;box-shadow:var(--shadow-1)}
.accordion-button{
  font-family:var(--serif);font-size:1.0625rem;font-weight:700;color:var(--brand);background:#fff;
  padding:20px 24px;box-shadow:none!important;border:0;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft)}
.accordion-button::after{
  width:16px;height:16px;background-image:none;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .28s var(--ease);
}
.accordion-button:not(.collapsed)::after{border-color:var(--accent);transform:rotate(-135deg)}
.accordion-body{padding:4px 24px 24px;color:var(--text-muted);font-size:.9688rem;line-height:1.9}

/* cta */
.cta-band{background:var(--brand-soft);padding:88px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-inner h2{margin-bottom:10px}
.cta-inner p{color:var(--text-muted);margin:0;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--bg-ink);color:#B7B1CC;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.site-footer h4{color:#fff;font-family:var(--serif);font-size:1rem;margin-bottom:20px;letter-spacing:.02em}
.site-footer a{color:#B7B1CC;font-size:.9375rem}
.site-footer a:hover{color:var(--accent)}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:.9375rem;color:#9E98B6;line-height:1.85}
.footer-list li{margin-bottom:12px}
.footer-contact li{margin-bottom:12px;font-size:.9375rem;color:#B7B1CC}
.footer-contact b{color:#EDEAF5;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0 32px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:.8125rem;color:#8C86A4;
}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr}}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg-paper:#F6F4EF;
  --bg-ink:#14121C;
  --brand:#3D3470;
  --brand-soft:#E7E3F2;
  --accent:#2FB89C;
  --accent-ink:#1F7D6B;
  --line:#DDD7CB;
  --text:#1B1926;
  --text-muted:#6C6880;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,18,28,.04);
  --shadow-2:0 8px 24px -12px rgba(20,18,28,.18);
  --shadow-3:0 20px 48px -24px rgba(20,18,28,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .28s var(--ease),border-color .28s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1320px}}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-ink);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--accent)}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-body);
  font-size:.9375rem;
  font-weight:600;
  line-height:1;
  padding:13px 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.btn-solid,.btn-primary{background:var(--accent);border-color:var(--accent);color:#0E211C}
.btn-solid:hover,.btn-primary:hover,.btn-solid:focus-visible,.btn-primary:focus-visible{
  background:var(--accent-ink);border-color:var(--accent-ink);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);
}
.btn-ghost,.btn-outline-primary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover,.btn-outline-primary:hover{background:var(--brand);border-color:var(--brand);color:var(--bg-paper);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:.875rem}
.text-link{color:var(--accent-ink);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.text-link:hover{text-decoration-thickness:2px}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--bg-ink);border-color:#fff}
.btn:active{transform:translateY(0)}
.badge-pill{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:.75rem;letter-spacing:.04em;font-weight:600;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(246,244,239,.95);
  border-bottom:1px solid transparent;
  transition:background-color .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,239,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-2);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:800;font-size:1.0625rem;
  color:var(--brand);letter-spacing:.01em;white-space:nowrap;
}
.brand svg{flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.main-nav a{
  position:relative;font-size:.9375rem;font-weight:500;color:var(--text);padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--accent);
  transition:width .18s var(--ease);
}
.main-nav a:hover::after,.main-nav a:focus-visible::after{width:100%}
.main-nav a.active{font-weight:600;color:var(--brand)}
.main-nav a.active::after{width:100%}
.header-cta{margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  transition:border-color .28s var(--ease)
}
.nav-toggle:hover{border-color:var(--accent)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .28s var(--ease),opacity .28s var(--ease)}
.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)}
.drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:1020;
  background:var(--bg-paper);padding:28px 20px 40px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px}
.drawer-nav a{
  font-family:var(--font-display);font-size:18px;font-weight:500;color:var(--text);
  padding:14px 4px;border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:700}
.drawer-cta{width:100%}
@media (max-width:991.98px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:flex}
}

/* ---------- 页面主体 ---------- */
.page-main{padding-top:76px}

/* 文章头 */
.article-hero{position:relative;isolation:isolate;overflow:hidden;padding:32px 0 40px}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;
}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(246,244,239,.72) 0%,rgba(246,244,239,.96) 62%,var(--bg-paper) 100%);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;padding:0;margin:0 0 26px;
  font-family:var(--font-mono);font-size:.8125rem;letter-spacing:.02em;color:var(--text-muted);
}
.crumb li{display:flex;align-items:center;gap:8px;min-width:0}
.crumb li+li::before{content:"/";color:var(--line);flex:0 0 auto}
.crumb a:hover{color:var(--accent-ink)}
.crumb .current{max-width:min(420px,46vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}
.article-head{max-width:860px}
.article-head h1{
  font-family:var(--font-display);
  font-size:clamp(1.9rem,3.6vw,2.6rem);
  line-height:1.3;letter-spacing:-.01em;font-weight:800;color:var(--text);
  margin:14px 0 0;
}
.article-head .lead{
  margin-top:18px;color:var(--text-muted);font-size:1rem;max-width:720px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:26px;padding-top:20px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--text-muted);font-family:var(--font-mono);letter-spacing:.02em;
}
.article-meta .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.article-meta .meta-cat{
  font-family:var(--font-body);letter-spacing:.04em;
  background:var(--brand-soft);color:var(--brand);padding:4px 12px;border-radius:999px;font-weight:600;
}

/* 正文布局 */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:56px;
  padding:48px 0 0;
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;align-items:start}
}
.article-main{min-width:0}
.article-body{
  max-width:720px;
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--text);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body > p:first-child{
  border-left:3px solid var(--brand);
  padding-left:18px;
  color:#2A2739;
}
.article-body h2{
  position:relative;
  font-family:var(--font-display);
  font-size:1.6rem;line-height:1.4;font-weight:700;
  margin:2em 0 .8em;padding-left:20px;letter-spacing:-.005em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border-radius:2px;background:var(--accent);
}
.article-body h3{
  font-family:var(--font-display);
  font-size:1.25rem;line-height:1.5;font-weight:700;margin:1.6em 0 .6em;
}
.article-body h4{font-size:1.0625rem;font-weight:700;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.4em}
.article-body li{margin:.45em 0}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--brand-soft);
  border-left:4px solid var(--accent);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--brand);font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{text-decoration-thickness:2px}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--line);margin:1.5em 0;width:100%}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--brand-soft);color:var(--brand);font-weight:700}
.article-body pre{
  background:var(--bg-ink);color:#E9E6F2;padding:18px 20px;border-radius:10px;
  overflow-x:auto;font-size:.875rem;line-height:1.7;margin:1.5em 0;
}
.article-body code{font-family:var(--font-mono);font-size:.9em}
.article-body pre code{color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:.8125rem;color:var(--text-muted);text-align:center;margin-top:10px}

.article-empty{
  max-width:720px;padding:48px 32px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:#fff;box-shadow:var(--shadow-1);text-align:center;
}
.article-empty h2{font-family:var(--font-display);font-size:1.5rem;margin-bottom:12px;color:var(--brand)}
.article-empty p{color:var(--text-muted);margin-bottom:24px}

/* 侧栏 */
.article-side{display:none}
@media (min-width:1200px){
  .article-side{display:grid;gap:20px;position:sticky;top:96px}
}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-family:var(--font-display);font-size:1.0625rem;color:var(--brand);margin-bottom:16px;
}
.side-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.side-list li{position:relative;padding-left:18px;font-size:.875rem;color:var(--text-muted);line-height:1.7}
.side-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--accent);border-radius:2px}
.side-card-ink{background:var(--bg-ink);border-color:var(--bg-ink);color:#CFCADB}
.side-card-ink h3{color:#fff}
.side-card-ink p{font-size:.875rem;color:#9B95AD;margin-bottom:18px}

/* 文末区 */
.article-foot{margin-top:64px;max-width:720px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:36px}
.tag-row .tag-label{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  font-size:.8125rem;color:var(--text-muted);background:#fff;
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease)
}
.tag:hover{border-color:var(--accent);color:var(--accent-ink);transform:translateY(-2px)}
.adjacent{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:16px}
@media (min-width:640px){.adjacent{grid-template-columns:1fr 1fr}}
.adj-card{
  display:block;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)
}
.adj-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(47,184,156,.4)}
.adj-card .adj-kicker{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink)}
.adj-card strong{display:block;font-family:var(--font-display);font-size:1.0625rem;color:var(--text);margin-top:10px;font-weight:700}
.adj-card span.desc{display:block;font-size:.875rem;color:var(--text-muted);margin-top:8px;line-height:1.7}
.back-row{margin-top:24px;font-size:.875rem}

/* 相关推荐 */
.related{padding:88px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{
  font-family:var(--font-display);font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.3;font-weight:700;margin-top:12px;
}
.card-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:576px){.card-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(47,184,156,.4)}
.post-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.post-card figure img{width:100%;height:100%;transition:transform .4s var(--ease)}
.post-card:hover figure img{transform:scale(1.03)}
.post-card .card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card h3{font-family:var(--font-display);font-size:1.0625rem;line-height:1.5;font-weight:700}
.post-card p{font-size:.875rem;color:var(--text-muted);line-height:1.75;flex:1}
.post-card .card-meta{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted);letter-spacing:.04em}

/* CTA 条 */
.cta-band{padding:96px 0 8px}
.cta-band-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background:var(--bg-ink);border-radius:18px;padding:44px 44px;
  box-shadow:var(--shadow-3);
}
.cta-band-inner h2{
  font-family:var(--font-display);font-size:clamp(1.4rem,2.2vw,1.9rem);color:#fff;line-height:1.35;font-weight:700;
}
.cta-band-inner p{color:#9B95AD;font-size:.9375rem;margin-top:12px;max-width:560px}
@media (max-width:575.98px){
  .cta-band-inner{padding:32px 24px}
}

/* 页脚 */
.site-footer{background:var(--bg-ink);color:#CFCADB;padding:72px 0 0;margin-top:104px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.25fr}}
.site-footer .brand{color:#fff;font-size:1.0625rem}
.footer-brand p{font-size:.875rem;line-height:1.8;color:#9B95AD;margin-top:18px;max-width:360px}
.footer-grid h4{
  font-family:var(--font-display);font-size:.9375rem;color:#fff;margin-bottom:18px;font-weight:700;letter-spacing:.02em;
}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer-list a{font-size:.875rem;color:#9B95AD}
.footer-list a:hover{color:var(--accent)}
.footer-contact{list-style:none;padding:0;margin:0;display:grid;gap:12px;font-size:.875rem;color:#9B95AD}
.footer-contact b{color:#E4E0EE;font-weight:600}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.08);padding:24px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:#7E788F;
}

/* Bootstrap 默认外观覆写 */
.card{border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);background:#fff}
.breadcrumb{background:transparent;padding:0;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;margin-bottom:20px;background:#fff}
.accordion-button{font-weight:600;color:var(--brand);background:#fff;box-shadow:none}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft);box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:var(--accent)}
.form-control{border:1px solid var(--line);border-radius:var(--radius-btn);padding:12px 16px;background:#fff;box-shadow:none}
.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,184,156,.12)}
::selection{background:rgba(47,184,156,.24)}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .article-head h1{font-size:1.9rem}
  .article-body{font-size:1rem}
  .header-inner{height:68px}
  .page-main{padding-top:68px}
  .drawer{top:68px}
  .cta-band{padding-top:72px}
  .site-footer{margin-top:80px;padding-top:56px}
}

/* roulang page: category1 */
:root{
  --bg-paper:#F6F4EF;
  --bg-ink:#14121C;
  --brand:#3D3470;
  --brand-soft:#E7E3F2;
  --accent:#2FB89C;
  --accent-ink:#1F7D6B;
  --line:#DDD7CB;
  --text:#1B1926;
  --text-muted:#6C6880;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,18,28,.04);
  --shadow-2:0 8px 24px -12px rgba(20,18,28,.18);
  --shadow-3:0 20px 48px -24px rgba(20,18,28,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  padding-top:72px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-serif);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.22;
  color:var(--brand);
  margin:0 0 16px;
}
h1{font-size:clamp(2.2rem,4.2vw,3.6rem);line-height:1.15;}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem);}
h3{font-size:1.25rem;font-weight:700;}
p{margin:0 0 16px;}
a{color:var(--accent-ink);text-decoration:none;transition:color .28s var(--ease);}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
::selection{background:var(--brand-soft);color:var(--brand);}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(252,250,246,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),background .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:1.0625rem;
  color:var(--brand);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand);}
.brand svg{flex:0 0 auto;background:var(--brand);border-radius:9px;padding:3px;}
.main-nav{display:flex;align-items:center;gap:32px;}
.main-nav a{
  position:relative;
  padding:6px 0;
  font-size:.9375rem;
  font-weight:500;
  color:var(--text);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:100%;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{font-weight:600;color:var(--brand);}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:16px;}
.btn-nav{
  display:inline-flex;
  align-items:center;
  padding:9px 20px;
  border-radius:var(--radius-btn);
  background:var(--accent);
  color:#0F1B18;
  font-size:.875rem;
  font-weight:600;
  border:1px solid transparent;
  transition:all .28s var(--ease);
}
.btn-nav:hover{
  background:var(--accent-ink);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:transparent;
  padding:0;
  position:relative;
  cursor:pointer;
}
.nav-toggle span{
  position:absolute;
  left:11px;
  width:20px;height:2px;
  background:var(--brand);
  border-radius:2px;
  transition:transform .28s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:26px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;
  top:72px;left:0;right:0;bottom:0;
  z-index:999;
  background:#FCFAF6;
  padding:24px 24px 40px;
  display:none;
  flex-direction:column;
  justify-content:space-between;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:none;}
.mobile-drawer nav a{
  display:block;
  font-size:1.125rem;
  font-weight:500;
  color:var(--text);
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.mobile-drawer nav a.active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:28px;width:100%;justify-content:center;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--radius-btn);
  font-size:.9375rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .28s var(--ease);
  text-align:center;
}
.btn:focus-visible,
.main-nav a:focus-visible,
.footer-list a:focus-visible,
.text-link:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.btn-primary{background:var(--accent);color:#0F1B18;}
.btn-primary:hover{
  background:var(--accent-ink);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{background:var(--brand);color:var(--bg-paper);}
.text-link{
  color:var(--accent-ink);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
.text-link:hover{color:var(--accent);text-decoration-thickness:2px;}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:.8125rem;
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  color:var(--text-muted);
  padding:26px 0 0;
}
.crumb a{color:var(--text-muted);}
.crumb a:hover{color:var(--accent-ink);}
.crumb .current{color:var(--brand);}

/* ---------- hero ---------- */
.cat-hero{padding:20px 0 80px;}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  margin-top:32px;
}
.eyebrow{
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-ink);
  font-weight:600;
  margin:0 0 14px;
}
.hero-copy h1{margin-bottom:18px;}
.hero-copy h1 .mark{
  display:inline-block;
  border-bottom:4px solid var(--accent);
  padding-bottom:2px;
}
.hero-sub{
  font-size:1.125rem;
  color:var(--brand);
  font-weight:600;
  line-height:1.7;
  margin-bottom:16px;
}
.hero-desc{color:var(--text-muted);margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  aspect-ratio:16/11;
  background:var(--brand-soft);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(61,52,112,.08);
  pointer-events:none;
}

/* ---------- stats band ---------- */
.stats-band{
  background:
    linear-gradient(rgba(20,18,28,.93),rgba(20,18,28,.93)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#EDEAF3;
  padding:72px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:40px;
}
.stat-num{
  display:block;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:clamp(2rem,3.2vw,2.8rem);
  color:#fff;
  line-height:1.1;
  margin-bottom:6px;
}
.stat-label{
  display:inline-block;
  font-size:.75rem;
  letter-spacing:.16em;
  color:var(--accent);
  font-weight:600;
  margin-bottom:8px;
}
.stat p{font-size:.875rem;color:#B9B4C7;margin:0;line-height:1.75;}

/* ---------- section ---------- */
.section{padding:96px 0;}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head h2{margin-bottom:14px;}
.section-desc{color:var(--text-muted);margin:0;}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-top:1px solid var(--line);
}
.feature-row:first-of-type{border-top:none;padding-top:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:var(--brand-soft);
}
.feature-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .28s var(--ease);
}
.feature-row:hover .feature-media img{transform:scale(1.02);}
.feature-index{
  display:inline-block;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:1.5rem;
  color:var(--accent);
  margin-bottom:8px;
}
.feature-body h3{margin-bottom:12px;}
.feature-body > p{color:var(--text-muted);}
.dot-list{list-style:none;}
.dot-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  line-height:1.8;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:.75em;
  width:10px;height:2px;
  background:var(--accent);
}
.badge-tag{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:.75rem;
  letter-spacing:.04em;
  margin-bottom:14px;
}

/* ---------- timeline ---------- */
.section-timeline{background:#FBF9F5;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.timeline{list-style:none;position:relative;max-width:900px;}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;top:14px;bottom:20px;
  width:1px;
  background:var(--line);
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:64px 1fr;
  gap:24px;
  padding-bottom:34px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-num{
  position:relative;
  z-index:1;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--bg-paper);
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-serif);
  font-weight:800;
  color:var(--brand);
  transition:all .28s var(--ease);
}
.timeline-item:hover .timeline-num{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
  transform:translateY(-2px);
}
.timeline-item h3{font-size:1.0625rem;margin-bottom:6px;}
.timeline-item p{color:var(--text-muted);margin:0;font-size:.9375rem;}

/* ---------- FAQ ---------- */
.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:20px;
  background:#fff;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion-button{
  font-family:var(--font-serif);
  font-size:1.0625rem;
  font-weight:700;
  color:var(--brand);
  background:#fff;
  padding:20px 56px 20px 24px;
  box-shadow:none;
  line-height:1.6;
  width:100%;
  text-align:left;
  border:none;
}
.accordion-button:not(.collapsed){
  background:var(--brand-soft);
  color:var(--brand);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px;}
.accordion-button::after{
  content:"";
  position:absolute;
  right:24px;
  top:50%;
  width:12px;height:12px;
  margin:0;
  background-image:none;
  border-right:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .28s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.accordion-body{
  padding:4px 24px 24px;
  color:var(--text-muted);
  font-size:.9375rem;
  line-height:1.9;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.accordion-body p:last-child{margin-bottom:0;}

/* ---------- CTA bar ---------- */
.cta-section{padding:0 0 96px;}
.cta-bar{
  background:var(--brand-soft);
  border:1px solid var(--line);
  border-radius:20px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-bar h2{font-size:clamp(1.4rem,2.2vw,1.9rem);margin-bottom:8px;}
.cta-bar p{margin:0;color:var(--text-muted);max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-ink);
  color:#B9B4C7;
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:52px;
}
.site-footer .brand{color:#fff;font-size:1rem;margin-bottom:16px;}
.site-footer .brand svg{background:transparent;padding:0;}
.footer-brand p{font-size:.875rem;line-height:1.85;color:#9A94AB;max-width:340px;}
.site-footer h4{
  font-family:var(--font-sans);
  font-size:.75rem;
  letter-spacing:.16em;
  color:#fff;
  font-weight:600;
  margin-bottom:18px;
}
.footer-list,.footer-contact{list-style:none;}
.footer-list li,.footer-contact li{margin-bottom:11px;font-size:.875rem;}
.footer-list a{color:#B9B4C7;}
.footer-list a:hover{color:var(--accent);}
.footer-contact li{color:#9A94AB;}
.footer-contact b{color:#D9D5E4;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:#8A8499;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);}
.reveal.is-visible{
  opacity:1;
  transform:none;
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}

/* ---------- responsive ---------- */
@media (max-width:991px){
  .main-nav,.btn-nav{display:none;}
  .nav-toggle{display:block;}
  .mobile-drawer{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section{padding:64px 0;}
  .cat-hero{padding:12px 0 56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-bar{padding:32px 28px;}
  .cta-section{padding:0 0 64px;}
}
@media (max-width:575px){
  body{padding-top:64px;}
  .header-inner{height:64px;}
  .mobile-drawer{top:64px;}
  h1{font-size:1.9rem;}
  .stats-grid{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .timeline-item{grid-template-columns:52px 1fr;gap:16px;}
  .timeline::before{left:19px;}
  .timeline-num{width:38px;height:38px;font-size:.875rem;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation:none !important;
    transition:none !important;
  }
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg-paper:#F6F4EF;
  --bg-ink:#14121C;
  --brand:#3D3470;
  --brand-soft:#E7E3F2;
  --accent:#2FB89C;
  --accent-ink:#1F7D6B;
  --line:#DDD7CB;
  --text:#1B1926;
  --text-muted:#6C6880;
  --shadow-1:0 1px 2px rgba(20,18,28,.04);
  --shadow-2:0 8px 24px -12px rgba(20,18,28,.18);
  --shadow-3:0 20px 48px -24px rgba(20,18,28,.28);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC','STSong',Georgia,serif;
  --font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;
  --font-mono:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.85;
  padding-top:76px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration:none;transition:color .28s var(--ease),border-color .28s var(--ease)}
a:hover{color:var(--accent)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1320px}}

.serif{font-family:var(--font-serif)}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-ink);
  margin:0 0 14px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--accent);display:inline-block}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(246,244,239,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease),background-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(246,244,239,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow-2);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:76px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-weight:800;
  font-size:1.125rem;color:var(--brand);letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand)}
.brand svg{flex:0 0 auto}

.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;
  font-size:.9375rem;font-weight:500;color:var(--text);
  padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);transition:width .18s var(--ease);
}
.main-nav a:hover::after{width:100%}
.main-nav a:hover{color:var(--brand)}
.main-nav a.active{font-weight:600;color:var(--brand)}
.main-nav a.active::after{width:100%}

.header-cta{
  display:inline-flex;align-items:center;
  padding:10px 20px;border-radius:var(--radius-btn);
  background:var(--accent);color:#101B19;
  font-size:.9375rem;font-weight:600;
  border:1px solid var(--accent);
  transition:background-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.header-cta:hover{background:var(--accent-ink);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}

.nav-toggle{
  display:none;width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--brand);
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:76px 0 0 0;z-index:1020;
  background:var(--bg-paper);
  padding:28px 20px 40px;
  display:flex;flex-direction:column;
  transform:translateY(-12px);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
  overflow-y:auto;
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.mobile-drawer a{
  display:block;font-size:1.125rem;font-weight:500;color:var(--text);
  padding:16px 4px;border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand);font-weight:600}
.mobile-drawer .drawer-cta{
  margin-top:28px;text-align:center;border:0;
  background:var(--accent);color:#101B19;font-weight:600;border-radius:var(--radius-btn);
  padding:14px 20px;
}
.mobile-drawer .drawer-note{
  margin-top:auto;padding-top:28px;font-size:.8125rem;color:var(--text-muted);
}

@media (max-width:991px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:block}
}
@media (max-width:575px){
  body{padding-top:68px}
  .header-inner{min-height:68px}
  .mobile-drawer{inset:68px 0 0 0}
  .brand{font-size:1rem}
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--paper{background:var(--bg-paper)}
.section--white{background:#FCFBF8}
.section--ink{background:var(--bg-ink);color:#EDEAF3}
@media (max-width:991px){.section{padding:68px 0}.section--tight{padding:56px 0}}
@media (max-width:575px){.section{padding:56px 0}}

.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,2.6vw,2.4rem);
  line-height:1.2;letter-spacing:-.01em;color:var(--brand);
}
.section-title.on-dark{color:#F3F0F9}
.section-sub{margin-top:16px;color:var(--text-muted);font-size:1.0625rem}
.section-sub.on-dark{color:#B9B3C9}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:72px 0 84px;
  background:
    radial-gradient(circle at 82% 18%,rgba(47,184,156,.10),transparent 46%),
    radial-gradient(circle at 12% 88%,rgba(61,52,112,.10),transparent 44%),
    var(--bg-paper);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto -10% -30% auto;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(61,52,112,.08),transparent 62%);
  animation:floatSlow 20s ease-in-out infinite;
}
@keyframes floatSlow{
  0%,100%{transform:translate3d(0,0,0)}
  50%{transform:translate3d(-6px,-6px,0)}
}
.cat-hero .hero-grid{position:relative;z-index:1}
@media (max-width:991px){.cat-hero{padding:52px 0 64px}}

.hero-title{
  font-family:var(--font-serif);
  font-size:clamp(2.2rem,4.2vw,3.4rem);
  line-height:1.14;letter-spacing:-.01em;color:var(--brand);
  margin-bottom:18px;
}
.hero-title .hl{
  position:relative;display:inline-block;
}
.hero-title .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(47,184,156,.26);border-radius:2px;z-index:-1;
}
.hero-lead{
  font-size:1.125rem;color:var(--text-muted);max-width:560px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}

.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:600;
  transition:background-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  cursor:pointer;
}
.btn-main{background:var(--accent);color:#101B19;border:1px solid var(--accent)}
.btn-main:hover{background:var(--accent-ink);color:#fff;border-color:var(--accent-ink);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--brand);color:var(--bg-paper);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-sm{padding:11px 20px;font-size:.875rem}

.hero-facts{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid var(--line);padding-top:22px;
}
.hero-facts .fact{padding-right:28px;margin-right:28px;border-right:1px solid var(--line)}
.hero-facts .fact:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-facts b{
  display:block;font-family:var(--font-serif);font-size:1.5rem;
  color:var(--brand);line-height:1.25;
}
.hero-facts span{font-size:.8125rem;color:var(--text-muted)}
@media (max-width:575px){
  .hero-facts{gap:18px 0}
  .hero-facts .fact{width:50%;border-right:0;padding-right:0;margin-right:0}
}

.hero-visual{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-3);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;background:rgba(61,52,112,.08);
}

/* ---------- 面包屑 ---------- */
.crumb{padding-top:24px;font-family:var(--font-mono);font-size:.8125rem;color:var(--text-muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--line)}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--accent-ink)}
.crumb .current{color:var(--brand);font-weight:600}

/* ---------- 特性卡（两列） ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:767px){.feature-grid{grid-template-columns:1fr}}

.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  height:100%;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(47,184,156,.4)}
.feature-card .fc-index{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.16em;
  color:var(--accent-ink);margin-bottom:14px;display:block;
}
.feature-card h3{font-size:1.25rem;color:var(--brand);margin-bottom:10px}
.feature-card p{color:var(--text-muted);font-size:.9375rem}

/* ---------- 步骤条 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(5,1fr);
  gap:0;margin-top:8px;position:relative;
}
.step{position:relative;padding:0 14px;text-align:center}
.step::before{
  content:"";position:absolute;top:17px;left:0;right:0;height:1px;
  background:var(--line);
}
.step:first-child::before{left:50%}
.step:last-child::before{right:50%}
.step-dot{
  position:relative;z-index:1;
  width:36px;height:36px;margin:0 auto 16px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:.8125rem;font-weight:600;color:var(--brand);
  transition:transform .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease),background-color .28s var(--ease);
}
.step:hover .step-dot{transform:scale(1.08);border-color:var(--accent);background:var(--accent);color:#101B19}
.step h3{font-size:1rem;color:var(--brand);margin-bottom:8px}
.step p{font-size:.875rem;color:var(--text-muted)}
@media (max-width:991px){
  .steps{grid-template-columns:1fr;gap:22px}
  .step{display:grid;grid-template-columns:36px 1fr;gap:16px;text-align:left;padding:0}
  .step::before{display:none}
  .step-dot{margin:0}
  .step h3{margin-top:2px}
  .step p{grid-column:2}
}

/* ---------- 深色数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.metric b{
  display:block;font-family:var(--font-serif);
  font-size:clamp(2.4rem,4vw,3.4rem);line-height:1.05;color:#F3F0F9;
  letter-spacing:-.01em;
}
.metric span{display:block;mutting:0;margin-top:8px;font-size:.9375rem;color:#B9B3C9}
.metric .tag{
  display:inline-block;margin-top:12px;padding:4px 12px;border-radius:999px;
  background:rgba(47,184,156,.16);color:var(--accent);
  font-size:.75rem;letter-spacing:.06em;
}
@media (max-width:991px){.metrics{grid-template-columns:repeat(2,1fr);gap:28px}}
@media (max-width:575px){.metrics{grid-template-columns:1fr}}

/* ---------- 对照表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff}
table.info-table{width:100%;border-collapse:collapse;min-width:680px}
table.info-table th,table.info-table td{
  border-bottom:1px solid var(--line);
  padding:16px 20px;text-align:left;font-size:.9375rem;vertical-align:top;
}
table.info-table thead th{
  background:var(--brand-soft);color:var(--brand);
  font-weight:600;font-size:.8125rem;letter-spacing:.06em;
  border-bottom:1px solid var(--line);
}
table.info-table tbody tr:last-child td{border-bottom:0}
table.info-table tbody tr:hover{background:rgba(47,184,156,.05)}
table.info-table td:first-child{font-weight:600;color:var(--brand)}
table.info-table td{color:var(--text-muted)}

/* ---------- 场景列表 ---------- */
.scene-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991px){.scene-list{grid-template-columns:1fr}}
.scene{
  border-top:2px solid var(--brand);padding-top:20px;
}
.scene h3{font-size:1.125rem;color:var(--brand);margin-bottom:10px}
.scene p{font-size:.9375rem;color:var(--text-muted)}
.scene ul{margin-top:14px}
.scene li{
  position:relative;padding-left:18px;font-size:.875rem;color:var(--text-muted);
  margin-bottom:6px;
}
.scene li::before{
  content:"";position:absolute;left:0;top:.7em;width:8px;height:2px;background:var(--accent);
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:1px solid var(--line) !important;
  border-radius:12px;
  background:#fff;
  margin-bottom:16px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  width:100%;
  background:#fff;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:1.0625rem;
  font-weight:600;
  line-height:1.6;
  padding:20px 60px 20px 22px;
  border:0;
  border-radius:12px !important;
  box-shadow:none;
  transition:color .28s var(--ease),background-color .28s var(--ease);
}
.faq-acc .accordion-button:hover{color:var(--brand)}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--brand-soft);
  box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(47,184,156,.18);border-color:var(--accent)}
.faq-acc .accordion-button::after{
  background-image:none !important;
  content:"+";
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;line-height:1;font-weight:400;
  color:var(--brand);
  border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:transform .28s var(--ease),background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(180deg);
  background:var(--accent);color:#101B19;border-color:var(--accent);
}
.faq-acc .accordion-body{
  padding:4px 22px 24px;
  font-size:.9375rem;
  color:var(--text-muted);
  background:#fff;
  line-height:1.9;
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--brand-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.cta-bar h2{
  font-family:var(--font-serif);font-size:clamp(1.35rem,2.2vw,1.8rem);
  color:var(--brand);line-height:1.3;margin-bottom:8px;
}
.cta-bar p{color:var(--text-muted);font-size:.9375rem}
@media (max-width:767px){.cta-bar{padding:28px 22px}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-ink);color:#B9B3C9;
  padding:72px 0 28px;font-size:.9375rem;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}}
.site-footer .brand{color:#F3F0F9;margin-bottom:16px}
.site-footer .brand:hover{color:#fff}
.footer-brand p{color:#B9B3C9;font-size:.9375rem;max-width:340px}
.site-footer h4{
  color:#F3F0F9;font-size:1rem;margin-bottom:16px;font-weight:600;
}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#B9B3C9}
.footer-list a:hover{color:var(--accent)}
.footer-contact li{margin-bottom:10px;color:#B9B3C9}
.footer-contact b{color:#E4E1EC;font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:#8B849C;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1 !important;transform:none !important}
}

.reveal{opacity:1 !important;transform:none !important}