/* roulang page: index */
:root{
  --ink:#14352D;
  --ink-deep:#0E2A24;
  --accent:#17C99A;
  --orange:#F08A4B;
  --orange-hover:#DD7638;
  --bg:#F6F2EA;
  --surface:#FFFFFF;
  --text:#16201C;
  --muted:#5E6B66;
  --line:#D9D0C3;
  --soft:#ECE6DA;
  --success:#2E9E6B;
  --warning:#C97A2B;
  --error:#C24A3A;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow-sm:0 8px 24px rgba(16,42,36,.08);
  --shadow-lg:0 16px 40px rgba(16,42,36,.14);
  --container:1180px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange-hover)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2.25rem,4.6vw,3.5rem);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.65rem,2.4vw,2.1rem);line-height:1.25;font-weight:700;margin:48px 0 16px}
h3{font-size:1.3rem;line-height:1.35;font-weight:600;margin:32px 0 12px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{line-height:1.75}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--soft{background:var(--soft)}
.section--line{border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{margin:0}
.section-head p{margin:12px 0 0;color:var(--muted);font-size:.975rem;max-width:620px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.16em;
  color:var(--ink);background:var(--soft);border:1px solid var(--line);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.lead{font-size:1.125rem;color:var(--muted);line-height:1.8;max-width:640px}
.muted{color:var(--muted)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:.95rem;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--orange);color:#20150A;box-shadow:0 10px 24px rgba(240,138,75,.28)}
.btn-primary:hover{background:var(--orange-hover);color:#20150A;transform:translateY(-1px);box-shadow:0 14px 30px rgba(221,118,56,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(221,118,56,.3)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(20,53,45,.06);color:var(--ink);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 18px;font-size:.9rem}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,button:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-btn);
}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}
.link-quiet{font-size:.9rem;font-weight:600;color:var(--ink);border-bottom:1px solid rgba(20,53,45,.3);padding-bottom:2px}
.link-quiet:hover{color:var(--orange-hover);border-color:var(--orange-hover)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;color:var(--ink)}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover{color:var(--orange-hover)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:14px;padding-bottom:12px;
}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:var(--ink);color:#F6F2EA;
  display:grid;place-items:center;
  font-weight:700;font-size:1.05rem;line-height:1;letter-spacing:0;
  box-shadow:0 6px 16px rgba(16,42,36,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.0625rem;font-weight:700;color:var(--ink);letter-spacing:.02em}
.brand-text span{font-size:.72rem;letter-spacing:.18em;color:var(--muted);margin-top:2px}
.header-actions{display:flex;align-items:center;gap:18px}
.nav-bar{
  display:flex;align-items:center;gap:10px;
  padding-bottom:14px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.nav-bar::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:.875rem;font-weight:500;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.chip:hover{background:var(--soft);color:var(--ink);border-color:var(--ink);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#F6F2EA}
.chip.is-active:hover{background:var(--ink-deep);color:#F6F2EA}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 84px;
  background:
    linear-gradient(to right,rgba(20,53,45,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(20,53,45,.045) 1px,transparent 1px),
    var(--bg);
  background-size:48px 48px,48px 48px,auto;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--ink);position:relative}
.hero .lead{margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.hero-chips li{
  font-size:.82rem;color:var(--ink);background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  display:inline-flex;align-items:center;gap:7px;
}
.hero-chips li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-visual img{
  width:100%;height:100%;min-height:340px;object-fit:cover;border-radius:20px;
  aspect-ratio:4/3;
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:20px;pointer-events:none;
  border:1px solid rgba(20,53,45,.22);
  background:
    linear-gradient(to right,rgba(20,53,45,.10) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(20,53,45,.10) 1px,transparent 1px);
  background-size:40px 40px,40px 40px;
  opacity:.55;
}
.hero-visual .visual-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(14,42,36,.92);color:#F6F2EA;
  font-size:.78rem;letter-spacing:.08em;
  border-radius:999px;padding:7px 14px;
}

/* ---------- 信任条 ---------- */
.trust{border-bottom:1px solid var(--line);background:var(--soft)}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  padding:22px 0;
}
.trust-item{
  display:flex;align-items:center;gap:10px;
  font-size:.9rem;color:var(--ink);font-weight:500;
}
.trust-item i{
  display:grid;place-items:center;width:26px;height:26px;flex:0 0 26px;
  border-radius:8px;background:rgba(20,53,45,.08);color:var(--ink);
  font-style:normal;font-size:.78rem;font-family:var(--font-mono);
}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(20,53,45,.35);box-shadow:var(--shadow-lg)}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card .num{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.14em;color:var(--muted);
  display:inline-block;margin-bottom:14px;
}
.pain-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:16px;
  background:rgba(23,201,154,.12);color:var(--ink);
  border:1px solid rgba(23,201,154,.35);
}
.pain-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pain-card h3{margin:0 0 8px;font-size:1.15rem}
.pain-card p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.75}

/* ---------- 解决方案 ---------- */
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.steps{list-style:none;margin:0;padding:0;position:relative}
.steps::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;background:var(--line);
}
.step{position:relative;padding:0 0 28px 56px}
.step:last-child{padding-bottom:0}
.step-dot{
  position:absolute;left:0;top:0;
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--ink);color:#F6F2EA;
  font-family:var(--font-mono);font-size:.82rem;
  box-shadow:0 0 0 6px var(--bg);
}
.section--soft .step-dot{box-shadow:0 0 0 6px var(--soft)}
.step h3{margin:4px 0 8px;font-size:1.15rem}
.step p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.75}
.solution-visual{position:sticky;top:120px}
.solution-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);
  box-shadow:var(--shadow-sm);border:1px solid var(--line);
}
.solution-visual figcaption{
  font-size:.82rem;color:var(--muted);margin-top:12px;line-height:1.6;
}

/* ---------- 成果 ---------- */
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.result-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.stat-list{display:grid;gap:16px}
.stat{
  display:flex;align-items:center;gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat:hover{transform:translateY(-2px);border-color:rgba(20,53,45,.35);box-shadow:var(--shadow-lg)}
.stat-value{
  font-size:2rem;font-weight:700;color:var(--ink);line-height:1;
  font-family:var(--font-mono);letter-spacing:-.02em;min-width:78px;
}
.stat-label strong{display:block;font-size:.98rem;color:var(--text);font-weight:600}
.stat-label span{font-size:.85rem;color:var(--muted);line-height:1.6}
.result-note{
  margin-top:24px;font-size:.85rem;color:var(--muted);line-height:1.7;
  border-left:3px solid var(--accent);padding-left:14px;
}

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.quote-card{position:relative;padding-top:56px}
.quote-mark{
  position:absolute;top:18px;left:24px;
  font-size:3rem;line-height:1;color:rgba(23,201,154,.45);font-family:Georgia,serif;
}
.quote-card blockquote{margin:0 0 22px;font-size:1.0625rem;line-height:1.82;color:var(--text)}
.quote-person{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.avatar{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;flex:0 0 40px;
  background:var(--soft);color:var(--ink);border:1px solid var(--line);
  font-weight:600;font-size:.9rem;
}
.quote-person .name{font-weight:600;font-size:.95rem;color:var(--text);line-height:1.4}
.quote-person .role{font-size:.8rem;color:var(--muted);line-height:1.4}

/* ---------- 最新信息 ---------- */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;gap:12px}
.post-card .post-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.post-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(23,201,154,.12);color:var(--ink);
  font-size:.76rem;font-weight:600;letter-spacing:.02em;border:1px solid rgba(23,201,154,.3);
}
.post-time{font-size:.78rem;color:var(--muted);font-family:var(--font-mono)}
.post-card h3{margin:0;font-size:1.1rem;line-height:1.5}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--orange-hover)}
.post-excerpt{
  margin:0;color:var(--muted);font-size:.92rem;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;padding-top:8px}
.post-card--featured{
  grid-column:span 2;
  background:linear-gradient(180deg,#fff 0%,#FBFAF6 100%);
}
.post-card--featured h3{font-size:1.35rem}
.post-card--featured .post-excerpt{-webkit-line-clamp:3;font-size:.98rem}
.posts-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:rgba(255,255,255,.6);padding:48px 24px;text-align:center;color:var(--muted);
}
.posts-empty i{
  display:grid;place-items:center;width:48px;height:48px;margin:0 auto 16px;
  border-radius:50%;background:var(--soft);color:var(--ink);
  font-style:normal;font-size:1.2rem;
}
.posts-empty p{margin:0 0 16px;font-size:.95rem}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:56px;align-items:start}
.faq-aside h2{margin-top:0}
.faq-aside p{color:var(--muted);font-size:.95rem}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(20,53,45,.3)}
.faq-item[open]{border-color:rgba(20,53,45,.35);box-shadow:var(--shadow-lg)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-weight:600;font-size:1rem;color:var(--ink);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(236,230,218,.5)}
.faq-icon{
  position:relative;width:20px;height:20px;flex:0 0 20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:.95rem;line-height:1.85}
.faq-body p:last-child{margin-bottom:0}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:0 0 88px}
.cta-box{
  position:relative;overflow:hidden;
  background:var(--ink-deep);color:#F6F2EA;border-radius:20px;
  padding:64px 56px;
  background-image:
    linear-gradient(to right,rgba(246,242,234,.07) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(246,242,234,.07) 1px,transparent 1px);
  background-size:44px 44px,44px 44px;
}
.cta-box h2{color:#F6F2EA;margin:0 0 14px;font-size:clamp(1.6rem,2.6vw,2.1rem)}
.cta-box p{color:rgba(246,242,234,.78);max-width:620px;margin:0 0 28px;font-size:1rem;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.cta-actions .link-quiet{color:#F6F2EA;border-color:rgba(246,242,234,.45)}
.cta-actions .link-quiet:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);color:rgba(246,242,234,.8);
  padding:64px 0 28px;font-size:.92rem;
}
.footer-top{border-top:1px solid rgba(246,242,234,.18);padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-mark{background:rgba(246,242,234,.12);color:#F6F2EA;box-shadow:none;border:1px solid rgba(246,242,234,.2)}
.footer-brand .brand-text strong{color:#F6F2EA}
.footer-brand .brand-text span{color:rgba(246,242,234,.62)}
.footer-brand p{margin:18px 0 0;color:rgba(246,242,234,.66);font-size:.88rem;line-height:1.8;max-width:320px}
.footer-col h4{
  font-size:.8rem;letter-spacing:.16em;color:rgba(246,242,234,.55);
  font-weight:600;margin:0 0 16px;text-transform:uppercase;font-family:var(--font-mono);
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{
  color:rgba(246,242,234,.82);font-size:.9rem;display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-note{color:rgba(246,242,234,.62);font-size:.86rem;line-height:1.8;margin:0 0 14px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(246,242,234,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:.82rem;color:rgba(246,242,234,.55);
}
.footer-bottom a{color:rgba(246,242,234,.7)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{max-width:96%}
}
@media (max-width:992px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual img{min-height:280px}
  .solution-grid{grid-template-columns:1fr;gap:36px}
  .solution-visual{position:static;order:-1}
  .result-grid{grid-template-columns:1fr;gap:36px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .post-card--featured{grid-column:span 2}
  .cta-box{padding:48px 36px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .header-actions .link-quiet{display:none}
  .brand-mark{width:38px;height:38px;flex-basis:38px;font-size:1rem}
  .brand-text strong{font-size:1rem}
  .trust-grid{grid-template-columns:1fr 1fr;gap:14px;padding:18px 0}
  .pain-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .posts-grid{grid-template-columns:1fr}
  .post-card--featured{grid-column:span 1}
  .hero{padding-top:48px;padding-bottom:56px}
  .hero-actions .btn{flex:1 1 auto}
  .cta-section{padding-bottom:56px}
  .cta-box{padding:40px 24px;border-radius:16px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .cta-actions .link-quiet{align-self:flex-start;margin-top:4px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  h2{margin-top:40px}
}
@media (max-width:560px){
  body{font-size:1rem;line-height:1.8}
  .header-top{padding-top:12px;padding-bottom:10px}
  .header-actions .btn{height:38px;padding:0 14px;font-size:.84rem}
  .hero h1{font-size:clamp(1.85rem,7.6vw,2.4rem)}
  .trust-item{font-size:.84rem}
  .stat{flex-direction:column;align-items:flex-start;gap:8px;padding:18px 20px}
  .stat-value{font-size:1.75rem}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .quote-card{padding-top:52px}
  .faq-item summary{font-size:.95rem;padding:16px 18px}
  .faq-body{padding:0 18px 18px}
  .card{padding:20px}
}

/* roulang page: article */
:root{
  --primary:#14352D;
  --primary-dark:#0E2A24;
  --accent:#17C99A;
  --warm:#F08A4B;
  --warm-hover:#DD7638;
  --bg:#F6F2EA;
  --surface:#FFFFFF;
  --surface-2:#ECE6DA;
  --ink:#16201C;
  --ink-2:#5E6B66;
  --muted:#5E6B66;
  --line:#D9D0C3;
  --success:#2E9E6B;
  --warning:#C97A2B;
  --danger:#C24A3A;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow:0 8px 24px rgba(16,42,36,.08);
  --shadow-hover:0 16px 40px rgba(16,42,36,.14);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--primary-dark);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:14px;
  padding-bottom:10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--primary-dark);
  flex-shrink:0;
}
.brand:hover{color:var(--primary-dark)}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);
  color:#fff;
  font-size:1.05rem;
  font-weight:700;
  border-radius:11px;
  box-shadow:0 6px 16px rgba(20,53,45,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.0625rem;letter-spacing:.02em}
.brand-text span{font-size:.75rem;color:var(--ink-2);letter-spacing:.16em}
.header-actions{display:flex;align-items:center;gap:18px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:.95rem;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--warm);color:#2A1607;box-shadow:0 8px 20px rgba(240,138,75,.28)}
.btn-primary:hover{background:var(--warm-hover);color:#2A1607;transform:translateY(-1px);box-shadow:0 12px 26px rgba(240,138,75,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(240,138,75,.26)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--surface-2);color:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 18px;font-size:.9rem}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-quiet{font-size:.9rem;color:var(--ink-2);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.link-quiet:hover{color:var(--primary);border-color:var(--primary)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.95rem;transition:gap .18s ease,color .18s ease}
.link-arrow:hover{gap:10px}

.nav-bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding-top:6px;
  padding-bottom:14px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.nav-bar::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  font-size:.875rem;
  font-weight:500;
  color:var(--primary);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--surface-2);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.chip.is-active:hover{background:var(--primary-dark);color:#fff}

/* ---------- page head ---------- */
.page-head{
  background:linear-gradient(180deg,#F1ECE1 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:26px 0 28px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:16px;
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#B9AE9D}
.breadcrumb .current{color:var(--primary);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.section-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(23,201,154,.14);
  color:#0C6151;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.02em;
}
.section-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  align-items:start;
  padding:48px 0 72px;
}
.article-main{min-width:0}
.article-head{margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.article-head h1{
  font-size:clamp(1.75rem,3.2vw,2.5rem);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.article-lead{
  font-size:1.0625rem;
  line-height:1.8;
  color:var(--ink-2);
  padding-left:16px;
  border-left:3px solid var(--accent);
  margin-bottom:20px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--muted);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#B9AE9D}
.article-meta .tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--primary);
  font-weight:600;
  font-size:12px;
}

.toc-inline{
  display:none;
  margin-bottom:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:6px 20px;
}
.toc-inline summary{
  cursor:pointer;
  font-weight:600;
  font-size:.95rem;
  color:var(--primary-dark);
  padding:12px 0;
  list-style:none;
}
.toc-inline summary::-webkit-details-marker{display:none}
.toc-inline summary::after{content:"+";float:right;color:var(--primary);font-weight:700}
.toc-inline[open] summary::after{content:"−"}

.article-body{max-width:760px;font-size:1.0625rem;line-height:1.88;color:var(--ink)}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:1.5rem;line-height:1.4;margin:48px 0 16px;letter-spacing:-.01em}
.article-body h3{font-size:1.25rem;line-height:1.5;margin:32px 0 12px}
.article-body h4{font-size:1.0625rem;margin:24px 0 10px;color:var(--primary)}
.article-body p{margin:0 0 1em}
.article-body ul,.article-body ol{margin:0 0 1em;padding-left:1.35em;line-height:1.78}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:.4em}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--primary-dark);text-decoration-thickness:2px}
.article-body strong{color:var(--primary-dark)}
.article-body blockquote{
  margin:1.6em 0;
  padding:16px 22px;
  background:var(--surface-2);
  border-left:3px solid var(--accent);
  border-radius:0 10px 10px 0;
  color:var(--ink-2);
  font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:.95rem;
  display:block;
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:10px;
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--surface-2);color:var(--primary-dark);font-weight:600}
.article-body tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}

.article-empty{
  border:1px dashed var(--line);
  background:var(--surface);
  border-radius:var(--radius-card);
  padding:48px 28px;
  text-align:center;
}
.article-empty .empty-mark{
  width:52px;height:52px;
  margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--surface-2);
  color:var(--primary);
  font-family:var(--mono);
  font-size:1.1rem;
  font-weight:700;
}
.article-empty h2{font-size:1.35rem;margin-bottom:10px}
.article-empty p{color:var(--ink-2);font-size:.95rem;margin-bottom:22px}

/* ---------- related ---------- */
.related{margin-top:56px;padding-top:36px;border-top:1px solid var(--line)}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:1.3rem}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.related-card{
  display:flex;
  gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:14px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(20,53,45,.35);box-shadow:var(--shadow-hover)}
.related-card img{width:88px;height:70px;object-fit:cover;border-radius:10px;flex-shrink:0}
.related-card .rc-body{min-width:0}
.related-card h3{font-size:.95rem;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .rc-meta{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.back-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow);
}
.side-card h3{font-size:.95rem;letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--accent)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;
  font-size:.875rem;
  line-height:1.6;
  color:var(--ink-2);
  padding:7px 10px;
  border-radius:8px;
  border-left:2px solid transparent;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.toc-list a:hover{background:var(--surface-2);color:var(--primary-dark);border-left-color:var(--accent)}
.side-note{font-size:.8125rem;color:var(--muted);line-height:1.7;margin-top:12px}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:.875rem;color:var(--primary);padding:9px 12px;
  border:1px solid var(--line);border-radius:10px;
  transition:background-color .16s ease,border-color .16s ease,transform .16s ease;
}
.side-links a:hover{background:var(--surface-2);border-color:var(--primary);transform:translateX(2px)}

/* ---------- cta strip ---------- */
.cta-strip{
  background:var(--primary-dark);
  color:rgba(246,242,234,.92);
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.cta-strip::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(246,242,234,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(246,242,234,.06) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.3;margin-bottom:10px}
.cta-inner p{font-size:.95rem;color:rgba(246,242,234,.78);max-width:560px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cta-actions .link-quiet{color:rgba(246,242,234,.85)}
.cta-actions .link-quiet:hover{color:#fff;border-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-dark);color:rgba(246,242,234,.8);padding:56px 0 22px;margin-top:0}
.footer-top{border-top:1px solid rgba(246,242,234,.14);padding-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{color:#F6F2EA;margin-bottom:14px}
.footer-brand .brand:hover{color:#F6F2EA}
.footer-brand .brand-mark{background:rgba(246,242,234,.12);box-shadow:none}
.footer-brand .brand-text span{color:rgba(246,242,234,.62)}
.footer-brand p{font-size:.875rem;line-height:1.8;color:rgba(246,242,234,.72);max-width:300px}
.footer-col h4{font-size:.9rem;color:#F6F2EA;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{
  font-size:.875rem;
  color:rgba(246,242,234,.75);
  display:inline-block;
  transition:color .16s ease,transform .16s ease;
}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-note{font-size:.8125rem;line-height:1.75;color:rgba(246,242,234,.62);margin-bottom:10px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(246,242,234,.14);
  margin-top:36px;padding-top:18px;
  font-size:.8125rem;color:rgba(246,242,234,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{max-width:96%}
  .article-layout{gap:36px}
}
@media (max-width:992px){
  .article-layout{grid-template-columns:1fr;gap:0}
  .article-side{display:none}
  .toc-inline{display:block}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-head h1{font-size:clamp(1.6rem,4.4vw,2.1rem)}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .header-actions .link-quiet{display:none}
  .header-top{padding-top:12px;padding-bottom:8px}
  .nav-bar{padding-bottom:12px;gap:8px;mask-image:linear-gradient(90deg,transparent 0,#000 12px,#000 calc(100% - 12px),transparent 100%)}
  .page-head{padding:20px 0 22px}
  .article-layout{padding:32px 0 56px}
  .article-body{font-size:1rem;line-height:1.85}
  .article-body h2{font-size:1.3rem;margin:36px 0 14px}
  .article-body h3{font-size:1.1rem;margin:26px 0 10px}
  .related-grid{grid-template-columns:1fr}
  .cta-strip{padding:44px 0}
  .related{margin-top:40px;padding-top:28px}
}
@media (max-width:560px){
  .brand-mark{width:34px;height:34px;font-size:.95rem}
  .brand-text strong{font-size:1rem}
  .brand-text span{font-size:.7rem;letter-spacing:.12em}
  .btn-sm{height:38px;padding:0 14px;font-size:.85rem}
  .article-head h1{font-size:1.5rem}
  .article-lead{font-size:1rem;padding-left:12px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .related-card img{width:74px;height:62px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .back-row .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#14352D;
  --ink-deep:#0E2A24;
  --teal:#17C99A;
  --amber:#F08A4B;
  --amber-hover:#DD7638;
  --bg:#F6F2EA;
  --surface:#FFFFFF;
  --text:#16201C;
  --muted:#5E6B66;
  --line:#D9D0C3;
  --soft:#ECE6DA;
  --success:#2E9E6B;
  --warn:#C97A2B;
  --error:#C24A3A;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(16,42,36,.08);
  --shadow-md:0 16px 40px rgba(16,42,36,.14);
  --container:1180px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,transform .18s ease,opacity .18s ease;}
a:hover{color:var(--ink-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-deep);letter-spacing:-.01em;}
h1{font-size:clamp(2.25rem,4.6vw,3.5rem);line-height:1.15;font-weight:700;letter-spacing:-.02em;}
h2{font-size:clamp(1.65rem,2.4vw,2.1rem);line-height:1.25;font-weight:700;margin-top:48px;margin-bottom:16px;}
h3{font-size:1.3rem;line-height:1.35;font-weight:700;margin-top:32px;margin-bottom:12px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1em;padding-left:1.2em;line-height:1.75;}
li{margin-bottom:.35em;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:14px;
  padding-bottom:12px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink-deep);}
.brand:hover{color:var(--ink-deep);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  display:grid;place-items:center;
  background:var(--ink);
  color:#F6F2EA;
  border-radius:12px;
  font-weight:700;
  font-size:1.15rem;
  letter-spacing:0;
  box-shadow:inset 0 0 0 1px rgba(246,242,234,.15);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:1.0625rem;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:.8125rem;color:var(--muted);letter-spacing:.08em;}
.header-actions{display:flex;align-items:center;gap:16px;}
.link-quiet{
  font-size:.9rem;color:var(--muted);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.link-quiet:hover{color:var(--ink);border-bottom-color:var(--ink);}
.nav-bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-bar::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:.9rem;
  font-weight:600;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--soft);border-color:var(--ink);transform:translateY(-1px);color:var(--ink-deep);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#F6F2EA;}
.chip.is-active:hover{background:var(--ink-deep);color:#fff;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:1rem;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-sm{min-height:42px;padding:0 18px;font-size:.925rem;}
.btn-primary{background:var(--amber);color:#22160D;box-shadow:0 8px 20px rgba(240,138,75,.28);}
.btn-primary:hover{background:var(--amber-hover);color:#1B1109;transform:translateY(-1px);box-shadow:0 12px 26px rgba(221,118,56,.32);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--soft);color:var(--ink-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:.95rem;
  border-bottom:1px solid rgba(20,53,45,.35);
  padding-bottom:2px;
}
.link-arrow:hover{gap:10px;border-bottom-color:var(--ink);}
/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:72px 0 68px;
  background:linear-gradient(180deg,#F8F5EE 0%,var(--bg) 100%);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.14;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(20,53,45,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(20,53,45,.06) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.5;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink);
  background:rgba(23,201,154,.14);
  border:1px solid rgba(23,201,154,.4);
  border-radius:var(--radius-pill);
  padding:5px 14px;
  margin-bottom:20px;
}
.hero-inner h1{margin-bottom:18px;}
.hero-sub{font-size:1.0625rem;color:var(--muted);max-width:640px;margin-bottom:26px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tag{
  display:inline-flex;align-items:center;
  height:30px;padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--ink);
  font-size:.8125rem;
  font-weight:600;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
  padding:20px 0 0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);}
.crumb .sep{width:12px;height:1px;background:var(--line);display:inline-block;}
.crumb .now{color:var(--ink);font-weight:600;}
/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-line{border-top:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{margin-top:0;}
.section-head .kicker{
  font-family:var(--font-mono);
  font-size:.75rem;letter-spacing:.18em;
  color:var(--muted);
  display:block;margin-bottom:12px;
}
.section-head p{color:var(--muted);margin-bottom:0;}
/* ---------- timeline layout ---------- */
.timeline-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:48px;
  align-items:start;
}
.timeline{position:relative;}
.step{position:relative;padding-left:72px;padding-bottom:34px;}
.step::before{
  content:"";position:absolute;left:23px;top:52px;
  width:1px;bottom:2px;background:var(--line);
}
.step:last-child{padding-bottom:0;}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;
  width:48px;height:48px;
  border-radius:var(--radius-pill);
  background:var(--ink);
  color:#F6F2EA;
  display:grid;place-items:center;
  font-family:var(--font-mono);
  font-size:.95rem;font-weight:700;
  box-shadow:0 8px 18px rgba(16,42,36,.18);
}
.step:target .step-num{background:var(--teal);color:#08322A;}
.step-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-body:hover{
  transform:translateY(-2px);
  border-color:rgba(20,53,45,.35);
  box-shadow:var(--shadow-md);
}
.step-body h3{margin-top:0;margin-bottom:10px;font-size:1.2rem;}
.step-body p{color:var(--muted);font-size:.9875rem;line-height:1.85;margin-bottom:.75em;}
.step-body p:last-child{margin-bottom:0;}
.mini-list{list-style:none;padding:0;margin:12px 0 0;}
.mini-list li{
  position:relative;padding-left:20px;
  font-size:.9375rem;color:var(--text);line-height:1.75;
}
.mini-list li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:var(--teal);
}
/* ---------- side note ---------- */
.side-card{
  position:sticky;
  top:132px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{
  margin-top:0;font-size:1.1rem;
  display:flex;align-items:center;gap:10px;
}
.warn-dot{
  width:22px;height:22px;flex:0 0 22px;
  border-radius:50%;
  background:rgba(201,122,43,.16);
  display:grid;place-items:center;
  font-size:.75rem;color:var(--warn);font-weight:700;
  font-family:var(--font-mono);
}
.side-card ul{list-style:none;padding:0;margin:0;}
.side-card li{
  position:relative;
  padding:14px 0 14px 18px;
  border-top:1px solid var(--line);
  font-size:.925rem;
  line-height:1.75;
  color:var(--text);
}
.side-card li:first-child{border-top:0;padding-top:6px;}
.side-card li::before{
  content:"";
  position:absolute;left:0;top:1.35em;
  width:6px;height:6px;border-radius:2px;
  background:var(--amber);
}
.side-card .side-foot{
  margin-top:16px;padding-top:16px;
  border-top:1px solid var(--line);
  font-size:.875rem;color:var(--muted);
}
/* ---------- media block ---------- */
.media-block{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
  margin-top:56px;
}
.media-block figure{margin:0;}
.media-block img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.media-block figcaption{font-size:13px;color:var(--muted);margin-top:10px;}
.media-block h2{margin-top:0;}
/* ---------- checklist grid ---------- */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-card:hover{
  transform:translateY(-2px);
  border-color:rgba(20,53,45,.35);
  box-shadow:var(--shadow-md);
}
.check-card h3{margin-top:0;font-size:1.1rem;margin-bottom:8px;}
.check-card p{font-size:.9375rem;color:var(--muted);margin-bottom:0;}
.check-card .badge{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:.72rem;letter-spacing:.14em;
  color:var(--success);
  background:rgba(46,158,107,.12);
  border:1px solid rgba(46,158,107,.3);
  border-radius:var(--radius-pill);
  padding:3px 10px;
  margin-bottom:12px;
}
.check-card.is-warn .badge{
  color:var(--error);
  background:rgba(194,74,58,.1);
  border-color:rgba(194,74,58,.28);
}
/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(20,53,45,.35);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-weight:600;
  font-size:1.0125rem;
  color:var(--ink-deep);
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;
  flex:0 0 20px;
  width:20px;height:20px;
  margin-top:2px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;
  background:var(--ink);border-radius:2px;
  transition:transform .2s ease,background .2s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-item[open] .faq-icon::before{background:var(--teal);}
.faq-answer{
  padding:0 24px 20px;
  color:var(--muted);
  font-size:.9875rem;
  line-height:1.85;
  border-top:1px solid var(--line);
  padding-top:16px;
  margin-top:0;
}
/* ---------- related chips ---------- */
.related-block{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.related-block .label{
  font-family:var(--font-mono);
  font-size:.75rem;letter-spacing:.16em;
  color:var(--muted);
  margin-right:4px;
}
/* ---------- bottom CTA ---------- */
.cta-band{
  background:var(--ink-deep);
  color:rgba(246,242,234,.86);
  position:relative;
  overflow:hidden;
  padding:80px 0;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(246,242,234,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(246,242,234,.07) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#F6F2EA;margin-top:0;margin-bottom:10px;}
.cta-inner p{color:rgba(246,242,234,.75);max-width:560px;margin-bottom:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-band .link-quiet{color:rgba(246,242,234,.78);}
.cta-band .link-quiet:hover{color:var(--teal);border-bottom-color:var(--teal);}
/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(246,242,234,.8);
  padding:64px 0 32px;
  font-size:.9375rem;
}
.footer-top{border-top:1px solid rgba(246,242,234,.18);padding-top:48px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{color:#F6F2EA;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(246,242,234,.12);color:#F6F2EA;box-shadow:inset 0 0 0 1px rgba(246,242,234,.22);}
.footer-brand .brand-text strong{color:#F6F2EA;}
.footer-brand .brand-text span{color:rgba(246,242,234,.6);}
.footer-brand p{font-size:.925rem;line-height:1.8;color:rgba(246,242,234,.68);margin-bottom:0;}
.footer-col h4{
  color:#F6F2EA;font-size:.95rem;margin:0 0 16px;
  letter-spacing:.04em;font-weight:700;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  color:rgba(246,242,234,.72);
  font-size:.925rem;
  display:inline-block;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--teal);transform:translateX(3px);}
.footer-note{font-size:.9rem;line-height:1.8;color:rgba(246,242,234,.66);margin-bottom:12px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(246,242,234,.18);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.85rem;color:rgba(246,242,234,.55);
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{width:96%;padding-left:20px;padding-right:20px;}
}
@media (max-width:992px){
  .timeline-wrap{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side-card{position:static;}
  .media-block{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  body{font-size:1rem;line-height:1.8;}
  .header-top{flex-wrap:nowrap;}
  .link-quiet{display:none;}
  .nav-bar{
    gap:8px;
    padding-bottom:10px;
    -webkit-overflow-scrolling:touch;
    mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
  }
  .page-hero{padding:52px 0 48px;}
  .section{padding:56px 0;}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .step{padding-left:60px;}
  .step-num{width:42px;height:42px;font-size:.85rem;}
  .step::before{left:20px;top:46px;}
  .step-body{padding:20px;}
  .cta-band{padding:56px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .site-footer{padding:48px 0 28px;}
  .footer-top{padding-top:36px;}
}
@media (max-width:560px){
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:1rem;}
  .brand-text strong{font-size:1rem;}
  .brand-text span{font-size:.75rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:16px 18px;font-size:.975rem;}
  .faq-answer{padding:14px 18px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --ink:#14352D;
  --ink-deep:#0E2A24;
  --accent:#17C99A;
  --warm:#F08A4B;
  --warm-hover:#DD7638;
  --bg:#F6F2EA;
  --surface:#FFFFFF;
  --text:#16201C;
  --muted:#5E6B66;
  --line:#D9D0C3;
  --soft:#ECE6DA;
  --success:#2E9E6B;
  --warn:#C97A2B;
  --error:#C24A3A;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --shadow:0 8px 24px rgba(16,42,36,.08);
  --shadow-hover:0 16px 40px rgba(16,42,36,.14);
  --container:1180px;
  --font-sans:"PingFang SC","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-sans);
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding-left:1.15em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding-top:14px;padding-bottom:12px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--ink);color:var(--accent);
  display:grid;place-items:center;
  font-weight:700;font-size:1.1rem;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:1.02rem;color:var(--ink);font-weight:700}
.brand-text span{font-size:.76rem;color:var(--muted);letter-spacing:.1em}
.header-actions{display:flex;align-items:center;gap:20px}
.link-quiet{font-size:.9rem;color:var(--muted);border-bottom:1px solid transparent;padding-bottom:1px}
.link-quiet:hover{color:var(--ink);border-bottom-color:var(--ink)}
.nav-bar{
  display:flex;gap:10px;padding-bottom:14px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-bar::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;
  height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:.875rem;white-space:nowrap;
  transition:background .2s,border-color .2s,color .2s,transform .2s;
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#FFFFFF}
.chip.is-active:hover{color:#FFFFFF}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:.98rem;font-weight:600;border:1px solid transparent;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--warm);color:#1B1207;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--warm-hover);color:#1B1207;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--soft);color:var(--ink);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 18px;font-size:.9rem}
.btn:disabled,.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none}
.link-arrow{font-weight:600;font-size:.94rem;display:inline-flex;align-items:center;gap:6px}
.link-arrow span{transition:transform .2s}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- Section basics ---------- */
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{margin-bottom:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.16em;
  color:var(--muted);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
h2{font-size:clamp(1.65rem,2.4vw,2.1rem);line-height:1.25;font-weight:700;margin-bottom:16px}
h3{font-size:1.28rem;line-height:1.4;font-weight:700;margin-bottom:10px}
.lead{color:var(--muted);font-size:1.03rem;line-height:1.85}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:64px 0 72px;overflow:hidden;background:var(--bg)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.14;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(20,53,45,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(20,53,45,.055) 1px,transparent 1px);
  background-size:34px 34px;
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;
  gap:52px;align-items:center;
}
.hero-copy h1{
  font-size:clamp(2.1rem,3.8vw,3rem);
  line-height:1.16;letter-spacing:-.02em;font-weight:700;
  margin-bottom:20px;
}
.h1-eyebrow{
  display:block;font-size:.44em;font-weight:600;
  letter-spacing:.14em;color:var(--muted);
  margin-bottom:12px;
}
.hero-sub{color:var(--muted);font-size:1.05rem;line-height:1.85;max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{
  border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  position:relative;
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px rgba(20,53,45,.12), inset 0 -60px 80px -60px rgba(14,42,36,.55);
  pointer-events:none;
}

/* ---------- Breadcrumb ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.815rem;color:var(--muted);margin-bottom:22px;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:var(--line)}
.crumbs .now{color:var(--ink);font-weight:600}

/* ---------- Trust strip ---------- */
.trust-strip{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}
.trust-items{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-item{
  display:flex;align-items:center;gap:10px;
  font-size:.9rem;color:var(--ink);font-weight:600;
}
.trust-item i{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);flex-shrink:0;
}

/* ---------- Service layout ---------- */
.service-layout{display:grid;grid-template-columns:296px 1fr;gap:56px;align-items:start}
.service-aside{position:sticky;top:126px}
.service-aside h2{font-size:1.4rem;margin-bottom:12px}
.service-aside p{font-size:.95rem;color:var(--muted);line-height:1.8}
.anchor-chips{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.anchor-chips a{
  display:inline-flex;align-items:center;height:32px;padding:0 13px;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:.83rem;color:var(--ink);
  transition:border-color .2s,background .2s,transform .2s;
}
.anchor-chips a:hover{border-color:var(--ink);background:var(--soft);transform:translateY(-1px)}
.notice-card{
  background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--warn);
  border-radius:14px;padding:20px;box-shadow:var(--shadow);
}
.notice-card h4{font-size:.95rem;margin-bottom:8px;color:var(--ink)}
.notice-card p{font-size:.88rem;color:var(--muted);line-height:1.8;margin:0}

.service-list{display:grid}
.service-item{
  display:grid;grid-template-columns:216px 1fr;gap:32px;
  padding:30px 0;border-top:1px solid var(--line);
  scroll-margin-top:132px;
}
.service-item:first-child{border-top:0;padding-top:0}
.service-label .num{
  display:block;font-family:var(--font-mono);
  font-size:.78rem;letter-spacing:.16em;color:var(--accent);
  margin-bottom:8px;
}
.service-label h3{font-size:1.2rem;line-height:1.35;margin:0}
.service-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:999px;background:var(--soft);color:var(--ink);
  font-size:.75rem;font-weight:600;margin-top:10px;
}
.service-body p{color:var(--text);font-size:.99rem;line-height:1.85;margin-bottom:12px}
.service-body ul{color:var(--muted);font-size:.94rem;line-height:1.75;display:grid;gap:6px}
.service-body ul li::marker{color:var(--accent)}

/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.compare-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:30px;
  box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(20,53,45,.35)}
.compare-card .tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:.78rem;font-weight:600;
  background:var(--soft);color:var(--ink);margin-bottom:16px;
}
.compare-card .tag.accent{background:rgba(23,201,154,.14);color:#0E7A5E}
.compare-card h3{font-size:1.2rem;margin-bottom:12px}
.compare-card ul{color:var(--muted);font-size:.94rem;line-height:1.8;display:grid;gap:8px}

/* ---------- Support band ---------- */
.support-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.support-card{
  display:flex;gap:18px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.support-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(20,53,45,.35)}
.support-ico{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  background:var(--soft);color:var(--ink);
  display:grid;place-items:center;font-family:var(--font-mono);
  font-size:.85rem;font-weight:700;
}
.support-card h3{font-size:1.08rem;margin-bottom:6px}
.support-card p{font-size:.92rem;color:var(--muted);line-height:1.8;margin:0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:860px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:0 24px;
  box-shadow:var(--shadow);
  transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(20,53,45,.35);box-shadow:var(--shadow-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:1.02rem;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--font-mono);font-size:1.35rem;
  color:var(--accent);line-height:1;flex-shrink:0;
  transition:transform .22s,color .2s;
}
.faq-item[open] summary::after{content:"–";color:var(--ink)}
.faq-answer{padding:0 0 22px;color:var(--muted);font-size:.96rem;line-height:1.85;max-width:720px}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--ink-deep);color:#F6F2EA;overflow:hidden;padding:76px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(246,242,234,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(246,242,234,.07) 1px,transparent 1px);
  background-size:38px 38px;
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-inner h2{color:#F6F2EA;margin-bottom:12px}
.cta-inner p{color:rgba(246,242,234,.76);max-width:560px;font-size:1rem;line-height:1.85;margin:0}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-band .link-arrow{color:rgba(246,242,234,.9)}
.cta-band .link-arrow:hover{color:var(--accent)}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-deep);color:rgba(246,242,234,.8);
  padding:64px 0 28px;border-top:1px solid rgba(246,242,234,.14);
}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(246,242,234,.1);color:var(--accent)}
.footer-brand .brand-text strong{color:#F6F2EA}
.footer-brand .brand-text span{color:rgba(246,242,234,.62)}
.footer-brand p{font-size:.92rem;line-height:1.8;color:rgba(246,242,234,.7);margin:0}
.footer-col h4{
  color:#F6F2EA;font-size:.95rem;font-weight:700;
  margin:0 0 16px;letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{
  color:rgba(246,242,234,.8);font-size:.93rem;
  display:inline-block;transition:color .2s,transform .2s;
}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-note{font-size:.9rem;line-height:1.8;color:rgba(246,242,234,.62);margin:0 0 12px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  flex-wrap:wrap;margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(246,242,234,.14);
  font-size:.84rem;color:rgba(246,242,234,.58);
}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 24px}
}
@media (max-width:992px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .service-layout{grid-template-columns:1fr;gap:36px}
  .service-aside{position:static}
  .service-item{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .compare-grid{grid-template-columns:1fr}
  .support-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .header-actions .link-quiet{display:none}
  .nav-bar{
    gap:8px;padding-bottom:12px;
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
    mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
  }
  .page-hero{padding:44px 0 52px}
  .section{padding:56px 0}
  .trust-items{grid-template-columns:1fr 1fr;gap:14px}
  .hero-actions .btn{flex:1 1 auto}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  body{font-size:1rem;line-height:1.8}
  .container{padding:0 18px}
  .hero-copy h1{font-size:2rem}
  .brand-text span{font-size:.7rem}
  .brand-mark{width:38px;height:38px;border-radius:10px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-item{padding:0 18px}
  .compare-card,.support-card{padding:22px}
}

/* roulang page: category3 */
:root{
  --c-primary:#14352D;
  --c-primary-dark:#0E2A24;
  --c-accent:#17C99A;
  --c-orange:#F08A4B;
  --c-orange-dark:#DD7638;
  --c-bg:#F6F2EA;
  --c-surface:#FFFFFF;
  --c-text:#16201C;
  --c-muted:#5E6B66;
  --c-border:#D9D0C3;
  --c-soft:#ECE6DA;
  --c-success:#2E9E6B;
  --c-warn:#C97A2B;
  --c-error:#C24A3A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,42,36,.08);
  --sh-2:0 16px 40px rgba(16,42,36,.14);
  --w-container:1180px;
  --pad-section:88px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
button{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-primary);letter-spacing:-.01em;}
h2{font-size:clamp(1.65rem,2.4vw,2.1rem);line-height:1.25;font-weight:700;margin-top:48px;margin-bottom:16px;}
h3{font-size:1.28rem;line-height:1.35;font-weight:700;margin-top:32px;margin-bottom:12px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
li{margin-bottom:.4em;line-height:1.75;}
li:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(23,201,154,.28);color:var(--c-primary-dark);}

.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 24px;}
.section{padding:var(--pad-section) 0;}
.section--soft{background:var(--c-soft);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{margin-top:0;margin-bottom:6px;}
.section-head p{margin:0;color:var(--c-muted);font-size:.98rem;max-width:62ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-primary);background:rgba(23,201,154,.14);
  border:1px solid rgba(23,201,154,.45);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ---------- 按钮与链接 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:.98rem;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--c-orange);color:#22150C;box-shadow:0 6px 18px rgba(240,138,75,.32);}
.btn-primary:hover{background:var(--c-orange-dark);color:#22150C;transform:translateY(-1px);box-shadow:0 10px 24px rgba(240,138,75,.36);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(240,138,75,.28);}
.btn-secondary{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-soft);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost-light{background:transparent;color:#F6F2EA;border-color:rgba(246,242,234,.5);}
.btn-ghost-light:hover{background:rgba(246,242,234,.12);color:#fff;border-color:rgba(246,242,234,.85);}
.btn-sm{height:42px;padding:0 18px;font-size:.92rem;}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.link-quiet{
  font-size:.92rem;color:var(--c-primary);font-weight:600;
  border-bottom:1px solid rgba(20,53,45,.28);padding-bottom:1px;
}
.link-quiet:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-primary-dark);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.94rem;color:var(--c-primary);}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-border);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:14px;padding-bottom:12px;flex-wrap:wrap;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-primary);}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:44px;height:44px;flex:none;border-radius:12px;
  background:var(--c-primary);color:#F6F2EA;
  display:grid;place-items:center;font-size:1.15rem;font-weight:700;
  box-shadow:var(--sh-1);
  transition:background-color .2s ease,transform .2s ease;
}
.brand:hover .brand-mark{background:var(--c-primary-dark);transform:translateY(-1px);}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:1.0625rem;font-weight:700;letter-spacing:.02em;}
.brand-text span{font-size:.8rem;color:var(--c-muted);letter-spacing:.06em;}
.header-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.nav-bar{
  display:flex;align-items:center;gap:8px;
  padding-top:2px;padding-bottom:14px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-bar::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 14px;flex:none;
  border-radius:var(--r-pill);
  border:1px solid var(--c-border);
  background:var(--c-surface);
  color:var(--c-primary);
  font-size:.9rem;font-weight:500;letter-spacing:.01em;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{background:var(--c-soft);border-color:var(--c-primary);color:var(--c-primary-dark);transform:translateY(-1px);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#F6F2EA;font-weight:600;}
.chip.is-active:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;}

/* ---------- 小 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 64px;
  border-bottom:1px solid var(--c-border);
  background:var(--c-bg);
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.16;pointer-events:none;
}
.page-hero__grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(20,53,45,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(20,53,45,.07) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.15));
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.15));
}
.page-hero__inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-border);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}
.page-hero h1{
  font-size:clamp(2.05rem,4.2vw,3.15rem);
  line-height:1.16;font-weight:700;letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-sub{font-size:1.05rem;line-height:1.8;color:var(--c-muted);max-width:60ch;margin-bottom:26px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-border);
  font-size:.82rem;color:var(--c-muted);letter-spacing:.02em;
}
.tag--accent{background:rgba(23,201,154,.13);border-color:rgba(23,201,154,.45);color:var(--c-primary);}

/* ---------- 问答主体 ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  gap:44px;align-items:start;
}
.faq-aside{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
}
.aside-card h2{font-size:1.32rem;margin:0 0 10px;line-height:1.35;}
.aside-card p{font-size:.94rem;color:var(--c-muted);line-height:1.8;}
.filter-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:6px;}
.filter-list li{margin:0;}
.filter-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 14px;border-radius:10px;
  border:1px solid transparent;
  font-size:.92rem;color:var(--c-primary);font-weight:500;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.filter-link .count{
  font-family:var(--font-mono);font-size:.76rem;color:var(--c-muted);
}
.filter-link:hover{background:var(--c-soft);border-color:var(--c-border);transform:translateX(2px);color:var(--c-primary-dark);}
.filter-link.is-current{background:rgba(20,53,45,.07);border-color:rgba(20,53,45,.22);font-weight:600;}
.filter-link.is-current .count{color:var(--c-primary);}
.aside-note{
  background:var(--c-soft);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:20px 22px;
}
.aside-note h3{margin:0 0 8px;font-size:1rem;}
.aside-note p{font-size:.88rem;color:var(--c-muted);line-height:1.75;margin-bottom:14px;}
.aside-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-border);}
.aside-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}

.faq-panel{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:12px 26px 26px;
  box-shadow:var(--sh-1);
}
.faq-panel__head{padding:16px 0 14px;border-bottom:1px solid var(--c-border);margin-bottom:6px;}
.faq-panel__head h2{margin:0 0 6px;font-size:1.42rem;}
.faq-panel__head p{font-size:.92rem;color:var(--c-muted);margin:0;}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;background:none;border:none;cursor:pointer;text-align:left;
  font-size:1.02rem;font-weight:600;color:var(--c-primary);line-height:1.55;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary-dark);}
.faq-item.is-open .faq-q{color:var(--c-primary-dark);}
.faq-icon{position:relative;width:20px;height:20px;flex:none;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .26s ease,background-color .26s ease;
}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px;}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-item.is-open .faq-icon::before{background:var(--c-orange-dark);}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-a > div{overflow:hidden;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a p{
  font-size:.98rem;line-height:1.85;color:var(--c-muted);
  padding:0 0 20px;margin:0;max-width:64ch;
}

/* ---------- 资讯入口 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,53,45,.35);}
.news-thumb{position:relative;overflow:hidden;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.card-chip{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);background:rgba(14,42,36,.86);color:#F6F2EA;
  font-size:.76rem;letter-spacing:.04em;
}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{margin:0;font-size:1.08rem;line-height:1.45;}
.news-body h3 a{color:var(--c-primary);}
.news-body h3 a:hover{color:var(--c-primary-dark);}
.news-body p{
  margin:0;font-size:.92rem;color:var(--c-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--font-mono);font-size:.76rem;color:var(--c-muted);letter-spacing:.04em;
}
.news-meta .arrow{color:var(--c-primary);font-family:var(--font-sans);font-size:1rem;transition:transform .2s ease;}
.news-card:hover .news-meta .arrow{transform:translateX(3px);}

/* ---------- 相关分类 ---------- */
.related{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.related__label{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;color:var(--c-muted);text-transform:uppercase;}
.related__links{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-primary-dark);
  color:#F6F2EA;
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(246,242,234,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(246,242,234,.07) 1px,transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(circle at 78% 30%,rgba(0,0,0,.85),transparent 68%);
  -webkit-mask-image:radial-gradient(circle at 78% 30%,rgba(0,0,0,.85),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{color:#F6F2EA;margin:0 0 12px;font-size:clamp(1.6rem,2.6vw,2.1rem);}
.cta-inner p{color:rgba(246,242,234,.78);max-width:52ch;margin:0;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.cta-actions .btn-ghost-light{font-weight:600;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(246,242,234,.8);}
.footer-top{padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{color:#F6F2EA;}
.footer-brand .brand-mark{background:rgba(246,242,234,.12);color:#F6F2EA;box-shadow:none;}
.footer-brand .brand-text strong{color:#F6F2EA;}
.footer-brand .brand-text span{color:rgba(246,242,234,.62);}
.footer-brand p{margin-top:18px;font-size:.92rem;line-height:1.8;color:rgba(246,242,234,.72);max-width:34ch;}
.footer-col h4{margin:0 0 16px;font-size:.94rem;color:#F6F2EA;letter-spacing:.04em;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col li{margin:0;}
.footer-col a{
  display:inline-block;font-size:.92rem;color:rgba(246,242,234,.8);
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--c-accent);transform:translateX(3px);}
.footer-note{font-size:.88rem;line-height:1.8;color:rgba(246,242,234,.66);margin-bottom:12px;}
.footer-bottom{
  margin-top:40px;padding:20px 0 34px;
  border-top:1px solid rgba(246,242,234,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.84rem;color:rgba(246,242,234,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{max-width:96%;}
}
@media (max-width:992px){
  :root{--pad-section:72px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .faq-aside > *{flex:1 1 260px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  :root{--pad-section:56px;}
  body{font-size:1rem;}
  .container{padding:0 18px;}
  .header-top{padding-top:12px;padding-bottom:10px;gap:14px;}
  .header-actions .link-quiet{display:none;}
  .nav-bar{
    mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  }
  .page-hero{padding:28px 0 48px;}
  .page-hero h1{font-size:clamp(1.75rem,7vw,2.3rem);}
  .hero-sub{font-size:1rem;}
  .hero-chips .tag{font-size:.78rem;}
  .faq-panel{padding:8px 18px 20px;}
  .faq-q{font-size:.98rem;padding:18px 0;}
  .news-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .brand-mark{width:38px;height:38px;font-size:1rem;}
  .brand-text strong{font-size:.98rem;}
  .brand-text span{font-size:.74rem;}
  .header-actions .btn-sm{height:40px;padding:0 14px;font-size:.86rem;}
  .chip{height:32px;padding:0 12px;font-size:.84rem;}
  .faq-aside{flex-direction:column;}
  .faq-aside > *{flex:1 1 auto;}
  .aside-card{padding:20px;}
  .news-body{padding:18px;}
  .footer-top{padding:48px 0 22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}