/* roulang page: index */
:root{
  --c-primary:#F0562A;
  --c-primary-deep:#C13F1B;
  --c-accent:#B4E33D;
  --c-ink:#101A16;
  --c-text:#1B1F1D;
  --c-muted:#6B6F6A;
  --c-bg:#F6F3EC;
  --c-bg-soft:#FBF8F2;
  --c-surface:#FFFFFF;
  --c-line:#E3DED2;
  --c-danger:#D93A2B;
  --c-ok:#2F8F5B;
  --sh-1:0 1px 2px rgba(16,24,20,.06);
  --sh-2:0 12px 32px -12px rgba(16,24,20,.18);
  --r-card:14px;
  --r-btn:10px;
  --nav-w:236px;
  --sp-section:96px;
  --font-base:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .16s ease,background-color .16s ease,border-color .16s ease;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:1.5em 0 .75em;line-height:1.35;font-weight:600;color:var(--c-ink);}
h1{font-size:40px;line-height:1.25;font-weight:700;margin-top:0;}
h2{font-size:28px;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin-bottom:.5em;}
li:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-accent);color:var(--c-ink);}

/* ---------- 布局骨架 ---------- */
.shell{min-height:100vh;}
.sidenav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:24px 16px 20px;
  overflow-y:auto;
  z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 20px;border-bottom:1px solid var(--c-line);margin-bottom:18px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-ink);color:var(--c-accent);
  border-radius:12px;font-weight:700;font-size:18px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text strong{font-size:15px;line-height:1.35;color:var(--c-ink);font-weight:700;}
.brand-text small{font-size:12px;color:var(--c-muted);line-height:1.6;}

.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;
  min-height:44px;
  padding:0 12px 0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--c-muted);
  transition:background-color .16s ease,color .16s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--c-primary);border-radius:3px;
  transition:height .18s ease;
}
.nav-item::after{
  content:"";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:transparent;
  transition:background-color .18s ease;
}
.nav-item:hover{background:var(--c-bg-soft);color:var(--c-ink);}
.nav-item.is-active{background:var(--c-surface);color:var(--c-ink);font-weight:600;box-shadow:var(--sh-1);}
.nav-item.is-active::before{height:22px;}
.nav-item.is-active::after{background:var(--c-accent);}
.nav-item:focus-visible{outline:2px solid var(--c-accent);outline-offset:1px;}

.nav-aux{margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:2px;}
.nav-aux a{
  min-height:40px;display:flex;align-items:center;padding:0 14px;border-radius:10px;
  font-size:14px;color:var(--c-muted);
}
.nav-aux a:hover{background:var(--c-bg-soft);color:var(--c-ink);}

.nav-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);}
.nav-foot p{font-size:13px;line-height:1.7;color:var(--c-muted);margin-bottom:10px;}

.main-wrap{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:80;
}
.topbar-brand{font-size:15px;font-weight:700;color:var(--c-ink);display:flex;align-items:center;gap:8px;}
.topbar-brand i{
  width:28px;height:28px;border-radius:8px;background:var(--c-ink);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:13px;font-weight:700;
}
.hamburger{
  width:44px;height:44px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  position:fixed;inset:56px 0 0 0;background:var(--c-surface);z-index:75;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
  overflow-y:auto;padding:12px 16px 32px;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a{
  display:flex;align-items:center;min-height:44px;padding:0 12px;
  font-size:15px;color:var(--c-text);border-bottom:1px solid var(--c-line);
}
.drawer a:last-child{border-bottom:none;}
.drawer a.is-active{color:var(--c-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--c-primary);}
.drawer-group-title{font-size:12px;color:var(--c-muted);padding:16px 12px 6px;}

/* ---------- 倒计时条 ---------- */
.countdown{
  position:sticky;top:0;z-index:50;
  background:var(--c-ink);color:#fff;
  min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 32px;
}
.countdown-label{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.86);}
.countdown-label b{color:#fff;font-weight:600;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(180,227,61,.18);animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.countdown-clocks{display:flex;gap:12px;}
.clock{
  min-width:62px;text-align:center;padding:5px 8px;border-radius:10px;
  background:rgba(180,227,61,.08);
}
.clock b{display:block;font-size:32px;line-height:1.15;color:var(--c-accent);font-weight:700;font-variant-numeric:tabular-nums;}
.clock span{display:block;font-size:12px;color:rgba(255,255,255,.55);line-height:1.5;}

/* ---------- Hero ---------- */
.hero{padding:72px 0 64px;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--c-bg-soft);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);font-style:normal;}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{font-size:17px;color:var(--c-muted);max-width:52ch;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:13px;line-height:1.6;
  background:var(--c-bg-soft);border:1px solid var(--c-line);color:var(--c-ink);
}
.tag-accent{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink);font-weight:600;}
.tag-primary{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

.hero-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--sh-2);background:var(--c-bg-soft);border:1px solid var(--c-line);}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.media-badge{
  position:absolute;left:18px;bottom:18px;
  background:var(--c-accent);color:var(--c-ink);
  border-radius:12px;padding:10px 16px;box-shadow:var(--sh-1);
}
.media-badge b{display:block;font-size:22px;line-height:1.2;font-weight:700;font-variant-numeric:tabular-nums;}
.media-badge span{display:block;font-size:12px;color:rgba(16,24,20,.7);line-height:1.5;}

/* ---------- 通用板块 ---------- */
section{padding:var(--sp-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .kicker{font-size:13px;color:var(--c-primary);font-weight:600;margin-bottom:8px;letter-spacing:.02em;}
.section-head h2{margin:0;}
.section-head p{color:var(--c-muted);font-size:15px;margin:8px 0 0;max-width:62ch;}
.link-more{font-size:14px;color:var(--c-primary);font-weight:600;white-space:nowrap;border-bottom:1px solid transparent;padding-bottom:2px;}
.link-more:hover{color:var(--c-primary-deep);border-bottom-color:var(--c-primary-deep);}

/* ---------- 卖点编号 ---------- */
.points{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.point{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.point:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);transform:translateY(-2px);}
.point-no{
  width:38px;height:38px;border-radius:10px;background:var(--c-ink);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.point h3{font-size:17px;margin:0 0 8px;}
.point p{font-size:14px;color:var(--c-muted);line-height:1.75;margin:0;}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:132px;gap:12px;}
.wall-item{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--c-line);background:var(--c-bg-soft);
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.wall-item:hover img{transform:scale(1.02);}
.wall-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 14px 12px;
  font-size:13px;color:#fff;font-weight:500;
  background:linear-gradient(180deg,rgba(16,24,20,0) 0%,rgba(16,24,20,.78) 100%);
  opacity:.92;transition:opacity .2s ease;
}
.wall-item:hover .wall-cap{opacity:1;}
.w-a{grid-column:span 3;grid-row:span 2;}
.w-b{grid-column:span 3;}
.w-c{grid-column:span 2;}
.w-d{grid-column:span 1;}
.w-e{grid-column:span 2;}

/* ---------- 数据条 ---------- */
.stats-band{
  background:var(--c-ink);
  background-image:linear-gradient(120deg,rgba(16,24,20,.94),rgba(16,24,20,.86)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{border-left:2px solid rgba(180,227,61,.5);padding:6px 0 6px 18px;}
.stat b{display:block;font-size:34px;line-height:1.2;color:var(--c-accent);font-weight:700;font-variant-numeric:tabular-nums;}
.stat span{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-top:6px;}
.stats-band h2{color:#fff;}
.stats-band .section-head p{color:rgba(255,255,255,.72);}
.stats-band .kicker{color:var(--c-accent);}

/* ---------- 内容列表（CMS） ---------- */
.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.post-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.post-item:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);}
.post-item h3{font-size:18px;line-height:1.5;margin:0 0 10px;}
.post-item h3 a:hover{color:var(--c-primary);}
.post-item .excerpt{
  font-size:14px;line-height:1.75;color:var(--c-muted);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-top:14px;border-top:1px solid var(--c-line);margin-top:auto;
  font-size:13px;color:var(--c-muted);
}
.post-meta .badge{background:var(--c-bg-soft);border:1px solid var(--c-line);color:var(--c-ink);padding:2px 10px;border-radius:999px;font-size:12px;}
.post-meta a{margin-left:auto;color:var(--c-primary);font-weight:600;}
.post-meta a:hover{color:var(--c-primary-deep);}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:56px 24px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  background:var(--c-bg-soft);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-muted);font-size:20px;
}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:18px;}

.skeleton{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;}
.sk-line{height:12px;border-radius:999px;background:linear-gradient(90deg,#EFEBE2 25%,#F8F5EF 37%,#EFEBE2 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;margin-bottom:12px;}
.sk-line.short{width:45%;}
@keyframes sk{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-ink);}
.btn-secondary:hover{background:var(--c-bg-soft);}
.btn-ghost{background:transparent;color:var(--c-accent);border-color:rgba(180,227,61,.55);}
.btn-ghost:hover{background:rgba(180,227,61,.12);color:var(--c-accent);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn:disabled,.btn.is-disabled{filter:saturate(.4);cursor:not-allowed;opacity:.7;transform:none;}

/* ---------- 报名 CTA ---------- */
.cta-band{background:var(--c-ink);color:#fff;}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.cta-band h2{color:#fff;}
.cta-band .cta-desc{color:rgba(255,255,255,.74);font-size:15px;margin-bottom:22px;}
.cta-points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.86);margin:0;}
.cta-points li i{
  flex:0 0 20px;width:20px;height:20px;border-radius:6px;background:rgba(180,227,61,.16);
  color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-style:normal;margin-top:4px;
}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-2);color:var(--c-text);}
.form-card h3{margin:0 0 6px;font-size:19px;}
.form-card .form-note{font-size:13px;color:var(--c-muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--c-muted);margin-bottom:6px;}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-bg-soft);color:var(--c-text);
  transition:border-color .16s ease,box-shadow .16s ease,background-color .16s ease;
}
.field input::placeholder{color:#A8ADA6;}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-accent);background:#fff;}
.field.has-error input{border-color:var(--c-danger);}
.field .err{display:none;font-size:13px;color:var(--c-danger);margin-top:6px;}
.field.has-error .err{display:block;}
.form-msg{display:none;font-size:13px;margin-top:12px;padding:10px 12px;border-radius:10px;}
.form-msg.ok{display:block;background:rgba(47,143,91,.1);color:var(--c-ok);}
.form-msg.bad{display:block;background:rgba(217,58,43,.1);color:var(--c-danger);}
.form-card .btn{width:100%;margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item.open::before{transform:scaleY(1);}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;cursor:pointer;
  padding:18px 52px 18px 24px;position:relative;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--c-ink);
}
.faq-q::after{
  content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease,border-color .22s ease;
}
.faq-item.open .faq-q::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 52px 20px 24px;margin:0;font-size:15px;line-height:1.8;color:var(--c-muted);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:auto;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 16px;font-weight:600;}
.site-footer p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);}
.site-footer a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;}
.site-footer a:hover{color:var(--c-accent);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand i{
  width:36px;height:36px;border-radius:10px;background:rgba(180,227,61,.14);
  color:var(--c-accent);display:flex;align-items:center;justify-content:center;
  font-style:normal;font-weight:700;font-size:16px;
}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--nav-w:208px;}
  .container{padding:0 24px;}
  .hero-grid{gap:32px;}
}
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .sidenav{display:none;}
  .topbar{display:flex;}
  .main-wrap{margin-left:0;padding-top:56px;}
  .countdown{top:56px;flex-direction:column;align-items:flex-start;padding:12px 24px;gap:10px;}
  .countdown-clocks{width:100%;justify-content:space-between;}
  .hero{padding:48px 0 40px;}
  .hero-grid{grid-template-columns:1fr;}
  .points{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .wall{grid-auto-rows:150px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  h1{font-size:28px;line-height:1.3;}
  h2{font-size:22px;}
  .container{padding:0 16px;}
  .countdown{padding:12px 16px;}
  .clock{min-width:54px;}
  .clock b{font-size:24px;}
  .posts{grid-template-columns:1fr;}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .w-a{grid-column:span 2;grid-row:span 2;}
  .w-b{grid-column:span 2;}
  .w-c{grid-column:span 1;}
  .w-d{grid-column:span 1;}
  .w-e{grid-column:span 2;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .hero-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .points{grid-template-columns:1fr;}
  .stat b{font-size:28px;}
  .form-card{padding:20px;}
  .faq-q{padding:16px 44px 16px 18px;font-size:16px;}
  .faq-a p{padding:0 18px 18px 18px;}
}

/* roulang page: article */
:root{
  --c-primary:#F0562A;
  --c-primary-deep:#C13F1B;
  --c-accent:#B4E33D;
  --c-ink:#101A16;
  --c-text:#1B1F1D;
  --c-muted:#6B6F6A;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED2;
  --c-danger:#D93A2B;
  --c-ok:#2F8F5B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,20,.06);
  --sh-2:0 12px 32px -12px rgba(16,24,20,.18);
  --nav-w:236px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:600;color:var(--c-ink);line-height:1.35;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin-bottom:.5em;}
li:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 布局骨架 ============ */
.shell{display:grid;grid-template-columns:var(--nav-w) minmax(0,1fr);min-height:100vh;}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:sticky;top:0;height:100vh;overflow-y:auto;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  padding:26px 16px 22px;display:flex;flex-direction:column;gap:26px;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px;}
.brand i{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--c-primary);color:#fff;font-style:normal;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 6px 16px -8px rgba(240,86,42,.75);
}
.brand strong{display:block;font-size:15px;line-height:1.3;color:var(--c-ink);font-weight:700;}
.brand span{display:block;font-size:12px;color:var(--c-muted);line-height:1.5;}
.nav-label{font-size:12px;color:var(--c-muted);padding:0 10px;margin-bottom:8px;letter-spacing:.02em;}
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px;
  border-radius:10px;font-size:14.5px;color:var(--c-muted);
  transition:background .16s ease,color .16s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;background:var(--c-primary);
  transition:height .16s ease;
}
.nav-item:hover{background:#FBF8F2;color:var(--c-ink);}
.nav-item.is-active{background:#FFF;color:var(--c-ink);font-weight:600;box-shadow:var(--sh-1);}
.nav-item.is-active::before{height:22px;}
.nav-item.is-active::after{
  content:"";position:absolute;right:12px;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.side-foot{margin-top:auto;border-top:1px solid var(--c-line);padding:16px 10px 0;font-size:13px;color:var(--c-muted);}
.side-foot p{margin:0 0 6px;}
.side-foot a{color:var(--c-primary);font-weight:600;}
.side-foot a:hover{color:var(--c-primary-deep);text-decoration:underline;}

/* ============ 移动顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:80;height:56px;align-items:center;
  justify-content:space-between;padding:0 16px;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.topbar .brand{padding:0;gap:8px;}
.topbar .brand i{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:16px;}
.topbar .brand strong{font-size:14px;}
.burger{
  width:44px;height:44px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:5px;border-radius:10px;
}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease,opacity .2s ease;}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  display:none;position:fixed;inset:56px 0 0 0;z-index:70;background:var(--c-surface);
  padding:8px 0 32px;overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer .nav-item{height:48px;border-radius:0;padding:0 20px;border-bottom:1px solid var(--c-line);}
.drawer .nav-item::before{height:0;width:3px;border-radius:0;}
.drawer .nav-item.is-active{background:#FFF;box-shadow:none;}
.drawer .nav-item.is-active::before{height:100%;}
.drawer .nav-item.is-active::after{right:20px;}
.drawer .drawer-foot{padding:20px;font-size:13px;color:var(--c-muted);}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--c-muted);padding:26px 0 16px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;}
.crumb .sep{opacity:.6;}
.crumb .cur{color:var(--c-ink);font-weight:500;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.art-hero{
  position:relative;overflow:hidden;border-radius:18px;color:#fff;
  background:linear-gradient(115deg,rgba(16,24,20,.94) 8%,rgba(16,24,20,.72) 58%,rgba(16,24,20,.5) 100%),
             url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  padding:44px 40px 38px;box-shadow:var(--sh-2);
}
.art-hero::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;
  border-radius:50%;border:2px dashed rgba(180,227,61,.35);
}
.art-hero .tagline{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
}
.chip-hot{background:var(--c-primary);color:#fff;}
.chip-data{background:var(--c-accent);color:var(--c-ink);}
.chip-time{background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.22);}
.art-hero h1{
  position:relative;z-index:1;color:#fff;font-size:40px;line-height:1.25;font-weight:700;
  letter-spacing:.01em;max-width:22ch;
}
.art-meta{
  position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:20px;
  font-size:13.5px;color:rgba(255,255,255,.78);
}
.art-meta b{color:var(--c-accent);font-weight:600;}

/* ============ 正文 + 侧栏 ============ */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;align-items:start;}
.art-main{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px 40px;box-shadow:var(--sh-1);}
.article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:var(--c-text);}
.article-body h2{font-size:28px;line-height:1.35;margin:1.5em 0 .75em;padding-left:14px;position:relative;}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--c-primary);}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:20px;line-height:1.45;margin:1.4em 0 .6em;}
.article-body p{margin-bottom:1.4em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.3em;}
.article-body li{margin-bottom:.55em;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--c-bg);border-left:4px solid var(--c-primary);
  border-radius:0 12px 12px 0;color:var(--c-text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em auto;box-shadow:var(--sh-1);}
.article-body a{color:var(--c-primary);font-weight:600;}
.article-body a:hover{color:var(--c-primary-deep);text-decoration:underline;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;overflow:hidden;border-radius:12px;border:1px solid var(--c-line);font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-line);}
.article-body th{background:var(--c-ink);color:#fff;font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FBF8F2;}
.art-empty{
  text-align:center;padding:56px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-bg);
}
.art-empty h2{font-size:22px;margin-bottom:10px;}
.art-empty p{color:var(--c-muted);margin-bottom:22px;}

.art-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.side-card a.side-link{
  display:block;font-size:14px;color:var(--c-muted);padding:9px 0;border-bottom:1px dashed var(--c-line);
  transition:color .16s ease,padding-left .16s ease;
}
.side-card a.side-link:last-child{border-bottom:0;}
.side-card a.side-link:hover{color:var(--c-primary);padding-left:6px;}
.side-card .mini-note{font-size:13px;color:var(--c-muted);line-height:1.7;}
.side-card.ink{background:var(--c-ink);border-color:var(--c-ink);color:rgba(255,255,255,.8);}
.side-card.ink h3{color:#fff;}
.side-card.ink h3::before{background:var(--c-accent);}
.side-card.ink .mini-note{color:rgba(255,255,255,.72);}
.side-card.ink .btn{margin-top:14px;width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:transform .16s ease,background .16s ease,box-shadow .16s ease,color .16s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(240,86,42,.9);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--c-accent);color:var(--c-accent);}
.btn-outline{background:var(--c-surface);color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn-outline:hover{background:#FBF8F2;transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);}
.btn-accent:hover{background:#a3d132;transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{filter:saturate(40%);opacity:.7;cursor:not-allowed;transform:none;}

/* ============ 相关推荐 ============ */
.section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head p{font-size:14px;color:var(--c-muted);margin:6px 0 0;}
.related-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:20px;}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.rel-card:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);transform:translateY(-2px);}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg);}
.rel-card.big .thumb{aspect-ratio:16/9;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:18px;line-height:1.5;}
.rel-card:hover h3{color:var(--c-primary);}
.rel-card .desc{font-size:14px;line-height:1.75;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:auto;font-size:13px;color:var(--c-muted);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(240,86,42,.4);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .arrow{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--c-line);
  position:relative;transition:transform .22s ease,border-color .22s ease;
}
.faq-item summary .arrow::before{
  content:"";position:absolute;left:6px;top:7px;width:7px;height:7px;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:rotate(45deg);
}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-item[open] summary .arrow{transform:rotate(180deg);border-color:var(--c-primary);}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text);}

/* ============ 文末 CTA ============ */
.cta-band{background:var(--c-ink);color:#fff;margin-top:72px;padding:64px 0;}
.cta-band .inner{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;margin-bottom:18px;}
.cta-points{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:rgba(255,255,255,.85);}
.cta-points span{display:flex;align-items:center;gap:10px;}
.cta-points span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:0 0 7px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-panel{background:rgba(255,255,255,.06);border:1px solid rgba(180,227,61,.28);border-radius:18px;padding:26px;}
.cta-panel h3{color:#fff;font-size:18px;margin-bottom:8px;}
.cta-panel p{font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:7px;}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field input::placeholder{color:rgba(255,255,255,.45);}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(180,227,61,.55);}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:10px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand i{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;background:var(--c-primary);color:#fff;
  font-style:normal;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.footer-brand strong{color:#fff;font-size:16px;}
.site-footer p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:8px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer a{display:block;font-size:13.5px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .16s ease;}
.site-footer a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--nav-w:208px;}
  .art-layout{grid-template-columns:minmax(0,1fr) 248px;gap:26px;}
}
@media (max-width:1199px){
  .art-layout{grid-template-columns:minmax(0,1fr);}
  .art-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .art-side .side-card{flex:1 1 280px;}
}
@media (max-width:1023px){
  .shell{display:block;}
  .sidebar{display:none;}
  .topbar{display:flex;}
  .art-hero h1{font-size:32px;}
  .art-hero{padding:34px 28px 30px;}
  .art-main{padding:28px 26px;}
  .cta-band .inner{grid-template-columns:1fr;gap:28px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .section-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .crumb{padding:18px 0 12px;}
  .crumb .cur{max-width:100%;white-space:normal;}
  .art-hero{border-radius:14px;padding:26px 20px 24px;}
  .art-hero h1{font-size:27px;line-height:1.32;}
  .art-main{padding:22px 18px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .section{padding:48px 0 0;}
  .cta-band{margin-top:56px;padding:48px 0;}
  .cta-band h2{font-size:24px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-item .faq-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{padding:48px 0 0;}
}
@media (max-width:480px){
  .topbar .brand strong{font-size:13px;}
  .art-hero h1{font-size:24px;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .sidebar .nav-item::after{display:none;}
}

/* roulang page: category1 */
:root{
  --c-primary:#F0562A;
  --c-primary-deep:#C13F1B;
  --c-accent:#B4E33D;
  --c-ink:#101A16;
  --c-text:#1B1F1D;
  --c-muted:#6B6F6A;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED2;
  --c-soft:#FBF8F2;
  --c-danger:#D93A2B;
  --c-ok:#2F8F5B;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,20,.06);
  --sh-2:0 12px 32px -12px rgba(16,24,20,.18);
  --side-w:236px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
[hidden]{display:none !important;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:rgba(240,86,42,.18);}

/* ========== 布局骨架 ========== */
.layout{display:flex;align-items:flex-start;min-height:100vh;}
.content{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.main{flex:1 1 auto;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ========== 左侧竖向导航 ========== */
.side-nav{
  width:var(--side-w);
  flex:0 0 var(--side-w);
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  padding:22px 14px 18px;
  display:flex;
  flex-direction:column;
  gap:22px;
  z-index:50;
}
.brand{display:flex;align-items:center;gap:10px;padding:2px 8px 16px;border-bottom:1px solid var(--c-line);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:var(--c-primary);
  color:#fff;
  font-size:19px;
  font-weight:700;
  border-radius:11px;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.brand-text strong{font-size:14px;font-weight:700;color:var(--c-ink);}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-muted);}
.nav-group-title{
  font-size:11.5px;
  color:var(--c-muted);
  padding:0 10px 8px;
  letter-spacing:.02em;
}
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  border-radius:var(--r-btn);
  color:var(--c-muted);
  font-size:15px;
  transition:background .16s ease,color .16s ease;
}
.nav-item:hover{background:var(--c-soft);color:var(--c-ink);}
.nav-item.is-active{
  background:#FFF;
  color:var(--c-ink);
  font-weight:600;
  box-shadow:var(--sh-1);
}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:22px;
  border-radius:0 3px 3px 0;
  background:var(--c-primary);
}
.nav-item.is-active::after{
  content:"";
  position:absolute;
  right:12px;top:50%;
  transform:translateY(-50%);
  width:7px;height:7px;
  border-radius:50%;
  background:var(--c-accent);
}
.nav-sub .nav-item{font-size:14px;min-height:40px;}
.side-foot{
  margin-top:auto;
  padding:14px 12px;
  border-radius:var(--r-card);
  background:var(--c-soft);
  border:1px solid var(--c-line);
  font-size:12.5px;
  color:var(--c-muted);
  line-height:1.7;
}
.side-foot p{margin:0 0 6px;}
.to-top{color:var(--c-primary);font-weight:600;display:inline-block;}
.to-top:hover{color:var(--c-primary-deep);}

/* ========== 移动端顶栏 ========== */
.topbar{display:none;}

/* ========== 通用板块 ========== */
.section{padding:64px 0;}
.section-tight{padding:44px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:28px;font-weight:600;line-height:1.35;color:var(--c-ink);}
.section-head p{font-size:14px;color:var(--c-muted);max-width:640px;margin-top:8px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--c-primary);
  letter-spacing:.02em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--c-primary);}
.section-head .head-link{font-size:14px;color:var(--c-muted);white-space:nowrap;}
.section-head .head-link:hover{color:var(--c-primary);text-decoration:underline;}

/* ========== 面包屑 ========== */
.crumb{padding:26px 0 0;font-size:13px;color:var(--c-muted);line-height:1.7;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;}
.crumb .sep{margin:0 7px;color:#C9C3B4;}
.crumb .now{color:var(--c-ink);font-weight:500;}

/* ========== Hero ========== */
.hero-wrap{padding:20px 0 0;}
.hero{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  background-color:var(--c-ink);
  background-image:linear-gradient(112deg,rgba(16,24,20,.95) 12%,rgba(16,24,20,.82) 52%,rgba(16,24,20,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:52px 48px;
  box-shadow:var(--sh-2);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:40px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(180,227,61,.14);
  border:1px solid rgba(180,227,61,.42);
  color:var(--c-accent);
  font-size:12.5px;
  font-weight:600;
  margin-bottom:18px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}
.hero h1{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  color:#fff;
  margin:0 0 18px;
}
.hero-lead{font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);margin-bottom:26px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.16);
  background:var(--c-soft);
}
.hero-tag{
  position:absolute;
  right:14px;bottom:-16px;
  background:var(--c-accent);
  color:var(--c-ink);
  border-radius:var(--r-card);
  padding:12px 16px;
  box-shadow:var(--sh-2);
  line-height:1.3;
}
.hero-tag b{display:block;font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;}
.hero-tag span{font-size:12px;color:#3C4A22;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px -8px rgba(240,86,42,.75);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-ink);}
.btn-outline:hover{background:var(--c-soft);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);}
.btn-lime{background:var(--c-accent);color:var(--c-ink);}
.btn-lime:hover{background:#a3d12f;transform:translateY(-1px);}
.btn:disabled,.btn[aria-disabled="true"]{filter:saturate(.4);cursor:not-allowed;transform:none;}

/* ========== 标签 / 徽章 ========== */
.badge{
  display:inline-flex;align-items:center;
  padding:3px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  white-space:nowrap;
}
.badge-live{background:var(--c-primary);color:#fff;}
.badge-time{background:var(--c-soft);color:var(--c-ink);border:1px solid var(--c-line);}
.badge-data{background:var(--c-accent);color:var(--c-ink);font-variant-numeric:tabular-nums;}
.badge-mute{background:#EFEBE1;color:var(--c-muted);}

/* ========== 数据条 ========== */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
}
.stat-item{border-right:1px solid var(--c-line);padding-right:16px;}
.stat-item:last-child{border-right:0;padding-right:0;}
.stat-num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.3;font-variant-numeric:tabular-nums;}
.stat-label{font-size:13px;color:var(--c-muted);}

/* ========== 筛选标签 ========== */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.chip{
  padding:7px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  font-size:13.5px;
  color:var(--c-muted);
  transition:all .18s ease;
}
.chip:hover{border-color:rgba(240,86,42,.45);color:var(--c-primary);}
.chip.is-on{background:var(--c-ink);border-color:var(--c-ink);color:#fff;}

/* ========== 时间轴 ========== */
.timeline{position:relative;}
.timeline::before{
  content:"";
  position:absolute;
  left:56px;top:16px;bottom:16px;
  width:2px;
  background:var(--c-line);
}
.tl-item{
  position:relative;
  display:flex;
  gap:26px;
  padding:18px 12px 18px 0;
  border-bottom:1px solid var(--c-line);
  border-radius:var(--r-card);
  transition:background .18s ease,padding .18s ease;
}
.tl-item:hover{background:rgba(255,255,255,.72);padding-left:12px;}
.tl-date{
  flex:0 0 112px;
  width:112px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  padding:10px 6px;
  text-align:center;
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.tl-item:hover .tl-date{border-color:rgba(240,86,42,.35);box-shadow:var(--sh-2);}
.tl-day{display:block;font-size:26px;font-weight:700;color:var(--c-ink);line-height:1.15;font-variant-numeric:tabular-nums;}
.tl-month{display:block;font-size:12.5px;color:var(--c-muted);}
.tl-week{display:block;font-size:12px;color:var(--c-primary);font-weight:600;margin-top:4px;}
.tl-body{flex:1 1 auto;min-width:0;}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:6px;}
.tl-head h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--c-ink);transition:color .18s ease;}
.tl-item:hover .tl-head h3{color:var(--c-primary);}
.tl-desc{font-size:14px;line-height:1.8;color:var(--c-muted);margin-bottom:10px;}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--c-muted);}
.tl-meta .link-more{color:var(--c-primary);font-weight:600;}
.tl-meta .link-more:hover{text-decoration:underline;}

/* ========== 看点卡片 ========== */
.spot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.card:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);transform:translateY(-2px);}
.card:hover .card-title{color:var(--c-primary);}
.card-media{background:var(--c-soft);border-bottom:1px solid var(--c-line);}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.card-body{padding:20px 22px 22px;}
.card-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:8px;transition:color .18s ease;}
.card-text{font-size:14px;line-height:1.75;color:var(--c-muted);}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:12.5px;color:var(--c-muted);}

/* ========== 流程 ========== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.step:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);}
.step-no{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:9px;
  background:var(--c-ink);
  color:var(--c-accent);
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.step p{font-size:13.5px;line-height:1.75;color:var(--c-muted);}

/* ========== 订阅表单 ========== */
.signup{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.signup h2{font-size:24px;font-weight:600;color:var(--c-ink);line-height:1.4;margin-bottom:12px;}
.signup p.copy{font-size:14.5px;line-height:1.8;color:var(--c-muted);margin-bottom:16px;}
.signup ul.points{display:flex;flex-direction:column;gap:9px;}
.signup ul.points li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--c-text);
}
.signup ul.points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-accent);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.form-field label{font-size:13.5px;font-weight:600;color:var(--c-ink);}
.form-input,.form-select{
  height:46px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#FDFCF9;
  padding:0 14px;
  font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  width:100%;
}
.form-input::placeholder{color:#A9A79E;}
.form-input:focus,.form-select:focus{
  outline:none;
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(180,227,61,.45);
}
.form-input.is-error{border-color:var(--c-danger);}
.form-hint{font-size:12.5px;color:var(--c-muted);}
.form-hint.error{color:var(--c-danger);}
.form-ok{
  display:flex;align-items:center;gap:8px;
  margin-top:14px;
  padding:11px 14px;
  border-radius:var(--r-btn);
  background:rgba(47,143,91,.1);
  border:1px solid rgba(47,143,91,.35);
  color:var(--c-ok);
  font-size:13.5px;
  font-weight:600;
}

/* ========== FAQ ========== */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(240,86,42,.4);box-shadow:var(--sh-1);}
.faq-q{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px 18px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-ink);
  cursor:pointer;
  list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::before{
  content:"";
  position:absolute;left:0;top:50%;
  transform:translateY(-50%) scaleY(0);
  width:3px;height:70%;
  background:var(--c-primary);
  border-radius:0 3px 3px 0;
  transition:transform .22s ease;
  transform-origin:center;
}
.faq-item[open] .faq-q::before{transform:translateY(-50%) scaleY(1);}
.faq-q i{
  flex:0 0 auto;
  width:22px;height:22px;
  display:grid;place-items:center;
  color:var(--c-muted);
  transition:transform .22s ease,color .22s ease;
  font-style:normal;
  font-size:13px;
}
.faq-item[open] .faq-q i{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{
  padding:0 22px 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-muted);
}
.faq-item[open] .faq-a{animation:faqIn .22s ease;}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ========== CTA 条 ========== */
.cta-band{
  background:var(--c-ink);
  color:#fff;
  padding:56px 0;
  margin-top:24px;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;align-items:center;}
.cta-inner h2{font-size:28px;font-weight:600;line-height:1.35;color:#fff;margin-bottom:12px;}
.cta-inner p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.75);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding:56px 0 0;
  font-size:13.5px;
  line-height:1.8;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand i{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--c-primary);
  color:#fff;
  font-style:normal;
  font-weight:700;
  font-size:16px;
}
.footer-brand strong{color:#fff;font-size:15px;}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;}
.site-footer a{display:block;color:rgba(255,255,255,.72);padding:4px 0;font-size:13.5px;}
.site-footer a:hover{color:var(--c-accent);}
.site-footer p{margin-bottom:8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  font-size:12.5px;
  color:rgba(255,255,255,.55);
}

/* ========== 断点 ========== */
@media (max-width:1279px){
  :root{--side-w:208px;}
  .container{padding:0 24px;}
  .hero{padding:44px 36px;}
  .hero h1{font-size:34px;}
  .section{padding:56px 0;}
}

@media (max-width:1023px){
  .topbar{
    display:flex;
    position:fixed;
    top:0;left:0;right:0;
    height:56px;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:0 16px;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    z-index:80;
  }
  .topbar-brand{display:flex;align-items:center;gap:9px;min-width:0;}
  .topbar-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px;border-radius:9px;}
  .topbar-brand strong{font-size:14px;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .hamburger{
    width:44px;height:44px;
    display:grid;place-items:center;
    border-radius:10px;
    border:1px solid var(--c-line);
    background:var(--c-surface);
    transition:background .18s ease;
  }
  .hamburger:hover{background:var(--c-soft);}
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);position:relative;}
  .hamburger span::before,.hamburger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
    transition:transform .2s ease;
  }
  .hamburger span::before{top:-6px;}
  .hamburger span::after{top:6px;}
  .side-nav{
    position:fixed;
    top:0;left:0;bottom:0;
    height:100vh;
    width:280px;
    max-width:84vw;
    transform:translateX(-104%);
    transition:transform .26s ease;
    box-shadow:var(--sh-2);
    padding-top:22px;
    z-index:90;
  }
  .side-nav.is-open{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .layout{display:block;}
  .content{padding-top:56px;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .stat-item:nth-child(2){border-right:0;padding-right:0;}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid var(--c-line);padding-top:16px;}
  .spot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .signup{grid-template-columns:1fr;gap:24px;padding:26px;}
  .cta-inner{grid-template-columns:1fr;gap:22px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .section-tight{padding:34px 0;}
  .hero{padding:32px 22px;border-radius:16px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero h1{font-size:28px;line-height:1.3;}
  .hero-lead{font-size:15px;}
  .hero-tag{position:static;display:inline-block;margin-top:14px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:22px;}
  .spot-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stat-strip{padding:18px;}
  .stat-num{font-size:23px;}
  .timeline::before{display:none;}
  .tl-item{flex-direction:column;gap:12px;padding:16px 0;}
  .tl-item:hover{padding-left:0;background:transparent;}
  .tl-date{
    width:auto;flex:0 0 auto;
    display:flex;align-items:baseline;gap:8px;
    padding:7px 14px;border-radius:var(--r-pill);
    text-align:left;
  }
  .tl-day{font-size:17px;}
  .tl-month{font-size:12.5px;}
  .tl-week{margin-top:0;margin-left:auto;}
  .tl-head h3{font-size:17px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;font-size:14.5px;}
  .cta-inner h2{font-size:22px;}
  .form-row{grid-template-columns:1fr;}
  .signup .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:480px){
  .container{padding:0 14px;}
  .hero h1{font-size:25px;}
  .section{padding:38px 0;}
  .card-body{padding:16px 16px 18px;}
  .crumb{font-size:12.5px;padding-top:18px;}
  .stat-strip{gap:14px;}
  .chip-row{gap:8px;}
  .chip{padding:6px 13px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#F0562A;
  --c-primary-deep:#C13F1B;
  --c-accent:#B4E33D;
  --c-ink:#101A16;
  --c-text:#1B1F1D;
  --c-muted:#6B6F6A;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED2;
  --c-hover:#FBF8F2;
  --c-danger:#D93A2B;
  --c-ok:#2F8F5B;
  --sh-1:0 1px 2px rgba(16,24,20,.06);
  --sh-2:0 12px 32px -12px rgba(16,24,20,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --side-w:236px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:1.5em 0 .75em;color:var(--c-ink);font-style:normal}
h1{font-size:40px;line-height:1.25;font-weight:700;margin-top:0}
h2{font-size:28px;line-height:1.35;font-weight:600}
h3{font-size:20px;line-height:1.45;font-weight:600}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.2em}
li{margin-bottom:.5em}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 布局骨架 ---------- */
.shell{display:flex;align-items:flex-start;min-height:100vh}
.sidebar{
  position:sticky;top:0;flex:0 0 var(--side-w);width:var(--side-w);height:100vh;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  padding:24px 16px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.main-wrap{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}

/* ---------- 品牌 ---------- */
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 14px;border-bottom:1px solid var(--c-line)}
.brand i{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;background:var(--c-ink);color:var(--c-accent);
  font-style:normal;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.brand strong{display:block;font-size:15px;line-height:1.35;color:var(--c-ink);font-weight:600}
.brand span{display:block;font-size:12px;color:var(--c-muted);line-height:1.5}

/* ---------- 侧栏导航 ---------- */
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;
  padding:0 26px 0 16px;border-radius:10px;color:var(--c-muted);font-size:15px;
  transition:background .16s ease,color .16s ease;
}
.nav-item:hover{background:var(--c-hover);color:var(--c-ink)}
.nav-item.is-active{background:#FFF;color:var(--c-ink);font-weight:600;box-shadow:var(--sh-1)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--c-primary);
}
.nav-item.is-active::after{
  content:"";position:absolute;right:14px;width:7px;height:7px;border-radius:50%;background:var(--c-accent);
}
.side-title{font-size:12px;color:var(--c-muted);letter-spacing:.02em;padding:0 16px;margin:0}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{font-size:14px;color:var(--c-muted);padding:8px 16px;border-radius:8px;transition:.16s ease}
.side-links a:hover{background:var(--c-hover);color:var(--c-ink)}
.side-foot{margin-top:auto;padding:14px 16px;border-top:1px solid var(--c-line);font-size:13px;line-height:1.7;color:var(--c-muted)}
.side-foot strong{display:block;color:var(--c-ink);font-size:13px;font-weight:600;margin-bottom:2px}
.to-top{
  margin-top:10px;display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-primary);
  font-weight:600;cursor:pointer;background:none;border:none;padding:0;
}
.to-top:hover{color:var(--c-primary-deep)}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:60;height:56px;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar .brand{padding:0;border:none}
.topbar .brand i{width:32px;height:32px;font-size:16px;border-radius:9px}
.topbar .brand strong{font-size:14px}
.topbar .brand span{display:none}
.burger{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:.2s ease}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  display:none;position:fixed;left:0;right:0;top:56px;bottom:0;background:var(--c-surface);z-index:55;
  padding:8px 16px 24px;overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer .nav-item{height:44px;border-radius:0;border-bottom:1px solid var(--c-line);padding-left:14px}
.drawer .nav-item.is-active{background:var(--c-hover);box-shadow:none}
.drawer .nav-item.is-active::after{display:none}
.drawer-extra{margin-top:18px;font-size:13px;color:var(--c-muted);line-height:1.8}

/* ---------- 通用按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1.5px solid transparent;
  transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:var(--c-surface);border-color:var(--c-ink);color:var(--c-ink)}
.btn-outline:hover{background:var(--c-hover)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn:disabled,.btn.is-disabled{opacity:.6;saturate:.6;cursor:not-allowed;transform:none}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.6;font-weight:600;white-space:nowrap;
}
.badge-live{background:var(--c-primary);color:#fff}
.badge-soft{background:var(--c-bg);color:var(--c-ink);border:1px solid var(--c-line);font-weight:500}
.badge-data{background:var(--c-accent);color:var(--c-ink)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- Hero ---------- */
.hero{padding:56px 0 72px;background:linear-gradient(180deg,#FFFDF8 0%,var(--c-bg) 100%);border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--c-muted);margin-bottom:22px}
.crumb a:hover{color:var(--c-primary);text-decoration:underline}
.crumb .cur{color:var(--c-ink);font-weight:500}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy h1{margin:14px 0 16px}
.hero-copy .lead{font-size:17px;line-height:1.85;color:#39403B;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 24px}
.hero-facts{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.hero-facts li{margin:0}
.hero-media{position:relative;margin:0}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:18px;border:1px solid var(--c-line);
  box-shadow:var(--sh-2);background:var(--c-bg);
}
.hero-media .tag-corner{
  position:absolute;left:-14px;bottom:22px;background:var(--c-ink);color:var(--c-accent);
  border-radius:12px;padding:10px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.hero-media .tag-corner b{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}
.hero-media .tag-corner small{font-size:11px;color:rgba(255,255,255,.68);line-height:1.4;display:block}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section.tight{padding:64px 0}
.section.alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head .eyebrow{font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.02em}
.sec-head h2{margin:10px 0 12px}
.sec-head p{color:var(--c-muted);margin-bottom:0}

/* ---------- 编号能力卡 ---------- */
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.num-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.num-card:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);transform:translateY(-2px)}
.num-card .idx{
  width:34px;height:34px;border-radius:9px;background:var(--c-ink);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.num-card h3{font-size:17px;margin:0 0 8px}
.num-card p{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0}

/* ---------- 图文交替条带 ---------- */
.strip{border-top:1px solid var(--c-line);padding:44px 0}
.strip:first-of-type{border-top:none;padding-top:0}
.strip-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.strip.rev .strip-media{order:2}
.strip-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--c-line);background:var(--c-bg);box-shadow:var(--sh-1);
}
.strip-body h3{margin-top:0;font-size:22px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.strip-body p{color:#3B423D;font-size:15.5px;line-height:1.85}
.strip-list{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:8px}
.strip-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--c-muted);margin:0}
.strip-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ---------- 数据条 ---------- */
.stat-band{background:var(--c-ink);color:#fff;border-radius:18px;padding:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-band .stat b{display:block;font-size:34px;line-height:1.2;color:var(--c-accent);font-variant-numeric:tabular-nums;font-weight:700}
.stat-band .stat span{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .18s ease,border-color .18s ease;
}
.scene-card:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--c-bg)}
.scene-card .body{padding:20px 22px 24px}
.scene-card h3{margin:10px 0 8px;font-size:17px}
.scene-card:hover h3{color:var(--c-primary)}
.scene-card p{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.flow-item{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px 22px;box-shadow:var(--sh-1);
}
.flow-item::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.flow-item h4{font-size:16px;margin:0 0 8px;font-weight:600}
.flow-item p{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:rgba(240,86,42,.3)}
.faq-item.is-open{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:none;border:none;cursor:pointer;padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
  line-height:1.6;
}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-q .arrow{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;transition:transform .22s ease;color:var(--c-muted);font-size:12px;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);border-color:var(--c-primary);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-muted);border-left:3px solid transparent}
.faq-item.is-open .faq-a-inner{border-left-color:var(--c-primary);padding-left:19px}
.faq-item.is-open{border-left:0}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:#fff;padding:72px 0}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.cta-band h2{color:#fff;margin-top:0}
.cta-band .cta-desc{color:rgba(255,255,255,.74);font-size:16px;line-height:1.85}
.cta-points{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:22px;margin:0;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.68em;width:10px;height:10px;border-radius:3px;
  background:var(--c-accent);
}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:28px}
.form-card h3{color:#fff;margin:0 0 6px;font-size:19px}
.form-card .hint{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:6px}
.field input{
  width:100%;height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:15px;transition:.16s ease;
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(180,227,61,.85)}
.field .err{display:none;font-size:13px;color:#FFB4A6;margin-top:6px}
.field.has-error input{border-color:var(--c-danger)}
.field.has-error .err{display:block}
.form-card .btn{margin-top:6px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.55);margin:14px 0 0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:600}
.site-footer a{display:block;color:rgba(255,255,255,.72);font-size:14px;padding:4px 0;transition:color .16s ease}
.site-footer a:hover{color:var(--c-accent)}
.site-footer p{margin:0 0 8px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.62)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand i{
  font-style:normal;width:34px;height:34px;border-radius:9px;background:rgba(180,227,61,.14);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;
}
.footer-brand strong{color:#fff;font-size:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--side-w:208px}
  h1{font-size:36px}
  .hero-grid{gap:36px}
  .strip-grid{gap:36px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .container{padding:0 24px}
  .hero{padding:40px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media .tag-corner{left:12px}
  .section{padding:72px 0}
  .section.tight{padding:52px 0}
  .num-grid{grid-template-columns:repeat(2,1fr)}
  .strip-grid{grid-template-columns:1fr;gap:24px}
  .strip.rev .strip-media{order:0}
  .stat-band{grid-template-columns:repeat(2,1fr);padding:26px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  h1{font-size:30px}
  h2{font-size:24px}
}
@media (max-width:767px){
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section.tight{padding:44px 0}
  .hero-copy .lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .scene-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:18px}
  .stat-band .stat b{font-size:26px}
  .flow{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (max-width:480px){
  .num-grid{grid-template-columns:1fr}
  .container{padding:0 14px}
  .badge{font-size:11.5px}
  .strip{padding:32px 0}
}

/* roulang page: category3 */
:root{
  --c-primary:#F0562A;
  --c-primary-deep:#C13F1B;
  --c-accent:#B4E33D;
  --c-ink:#101A16;
  --c-text:#1B1F1D;
  --c-muted:#6B6F6A;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED2;
  --c-line-soft:#FBF8F2;
  --c-danger:#D93A2B;
  --c-ok:#2F8F5B;
  --sh-1:0 1px 2px rgba(16,24,20,.06);
  --sh-2:0 12px 32px -12px rgba(16,24,20,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --nav-w:236px;
  --pad:32px;
  --gap:24px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0}
ul,ol{list-style:none;padding-left:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 var(--pad)}
.num{font-variant-numeric:tabular-nums}

/* ===== 布局 ===== */
.layout{display:flex;align-items:flex-start;min-height:100vh}
.sidebar{
  width:var(--nav-w);
  flex:0 0 var(--nav-w);
  position:sticky;
  top:0;
  height:100vh;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  padding:26px 20px 24px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}
.main{flex:1;min-width:0;overflow-x:hidden}

/* ===== 品牌区 ===== */
.brand{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--c-line)}
.brand i{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:11px;background:var(--c-ink);color:var(--c-accent);
  display:grid;place-items:center;font-style:normal;font-weight:700;font-size:16px;
}
.brand strong{display:block;font-size:15px;font-weight:700;line-height:1.35;letter-spacing:.01em}
.brand small{display:block;font-size:12px;color:var(--c-muted);line-height:1.5}

/* ===== 侧栏导航 ===== */
.nav-block{margin-top:18px}
.nav-label{font-size:12px;color:var(--c-muted);letter-spacing:.02em;padding:0 2px 8px;display:block}
.nav-list{display:flex;flex-direction:column;margin:0 -20px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:8px;
  padding:11px 20px;
  font-size:15px;color:var(--c-muted);
  transition:background .16s ease,color .16s ease;
}
.nav-item:hover{background:var(--c-line-soft);color:var(--c-ink)}
.nav-item.is-active{background:var(--c-line-soft);color:var(--c-ink);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--c-primary);
}
.nav-item.is-active::after{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-left:auto;
}
.side-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;line-height:1.7;color:var(--c-muted);
}
.side-foot a{color:var(--c-ink);font-weight:600}
.side-foot a:hover{color:var(--c-primary)}
.side-mini{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:13px;color:var(--c-ink);font-weight:600;
}
.side-mini:hover{color:var(--c-primary)}

/* ===== 移动端顶栏 ===== */
.topbar{
  display:none;
  position:sticky;top:0;z-index:60;
  height:56px;align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.topbar .brand{padding:0;border:0;gap:8px}
.topbar .brand i{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.topbar .brand strong{font-size:14px}
.menu-btn{
  width:40px;height:40px;border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:10px;display:grid;place-items:center;gap:4px;cursor:pointer;
}
.menu-btn span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease}
.menu-btn[aria-expanded="true"] span:first-child{transform:translateY(3px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:last-child{transform:translateY(-3px) rotate(-45deg)}
.drawer{
  display:none;position:fixed;left:0;right:0;top:56px;bottom:0;z-index:55;
  background:var(--c-surface);overflow-y:auto;padding-bottom:32px;
  border-top:1px solid var(--c-line);
}
.drawer.is-open{display:block}
.drawer .nav-list{margin:0}
.drawer .nav-item{
  height:48px;padding:0 20px;border-bottom:1px solid var(--c-line);border-radius:0;font-size:15px;
}
.drawer .nav-item.is-active::before{height:24px;border-radius:0 3px 3px 0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1.5px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -10px rgba(240,86,42,.7)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-ink)}
.btn-secondary:hover{background:var(--c-line-soft)}
.btn-ghost{background:transparent;color:var(--c-accent);border-color:rgba(255,255,255,.38)}
.btn-ghost:hover{border-color:var(--c-accent);background:rgba(180,227,61,.1)}

/* ===== 徽章与标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.6;font-weight:600;
}
.badge-live{background:var(--c-primary);color:#fff}
.badge-soft{background:var(--c-line-soft);color:var(--c-ink);border:1px solid var(--c-line)}
.badge-data{background:var(--c-accent);color:var(--c-ink)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ===== 页头 ===== */
.page-head{
  position:relative;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(16,24,20,.93),rgba(16,24,20,.82)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 64px;
}
.page-head::after{
  content:"";position:absolute;right:-120px;bottom:-180px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(180,227,61,.22);
  box-shadow:0 0 0 60px rgba(180,227,61,.05);
  pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px}
.crumb a:hover{color:var(--c-accent);text-decoration:underline}
.crumb span.sep{color:rgba(255,255,255,.32)}
.crumb b{color:#fff;font-weight:500}
.page-head h1{
  font-size:40px;line-height:1.25;font-weight:700;letter-spacing:.01em;
  max-width:820px;margin-bottom:18px;
}
.page-head .lead{
  max-width:760px;font-size:16px;line-height:1.9;
  color:rgba(255,255,255,.78);margin-bottom:22px;
}
.head-meta{display:flex;flex-wrap:wrap;gap:10px}
.head-meta span{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
}

/* ===== 板块 ===== */
.section{padding-top:var(--sec);padding-bottom:var(--sec)}
.section + .section{padding-top:64px}
.section--tight{padding-top:56px;padding-bottom:56px}
.sec-head{max-width:780px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);border-radius:2px}
.sec-head h2{font-size:28px;line-height:1.35;font-weight:600;margin-bottom:12px;letter-spacing:.01em}
.sec-head p{font-size:15px;line-height:1.85;color:var(--c-muted)}

/* ===== 编号定义列表 ===== */
.rule-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.rule-item{
  display:flex;gap:16px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.rule-item:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);transform:translateY(-2px)}
.rule-no{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:var(--c-ink);color:var(--c-accent);
  display:grid;place-items:center;font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.rule-body h3{font-size:18px;line-height:1.45;font-weight:600;margin-bottom:10px}
.rule-body p{font-size:15px;line-height:1.85;color:var(--c-muted)}

/* ===== 表格 ===== */
.table-wrap{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow-x:auto;background:var(--c-surface);box-shadow:var(--sh-1);
}
.table-wrap table{width:100%;min-width:600px;border-collapse:collapse;font-size:15px}
.table-wrap caption{
  caption-side:top;text-align:left;padding:18px 22px 0;
  font-size:13px;color:var(--c-muted);
}
.table-wrap thead th{
  background:var(--c-ink);color:#fff;font-size:14px;font-weight:600;
  text-align:left;padding:15px 22px;white-space:nowrap;
}
.table-wrap tbody td{padding:15px 22px;border-top:1px solid var(--c-line);vertical-align:top;line-height:1.75}
.table-wrap tbody tr:nth-child(even){background:var(--c-line-soft)}
.table-wrap tbody tr:hover{background:rgba(180,227,61,.14)}
.table-wrap tbody td:first-child{font-weight:600;color:var(--c-ink)}
.table-note{margin-top:14px;font-size:13px;line-height:1.8;color:var(--c-muted)}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(240,86,42,.35)}
.step::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;
  background:var(--c-primary);border-radius:0 0 3px 3px;
}
.step b{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.step h3{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;line-height:1.8;color:var(--c-muted)}

/* ===== 自查清单 ===== */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:12px;padding:16px 18px;
  font-size:15px;line-height:1.75;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:rgba(240,86,42,.35);box-shadow:var(--sh-1)}
.check-list li::before{
  content:"✓";flex:0 0 22px;width:22px;height:22px;margin-top:4px;
  border-radius:50%;background:rgba(180,227,61,.4);color:#3C6A12;
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
}
.aside-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:10px;background:var(--c-line-soft);border:1px solid var(--c-line);
}
.aside-card h3{font-size:18px;font-weight:600;line-height:1.45;margin:16px 0 10px}
.aside-card p{font-size:14px;line-height:1.85;color:var(--c-muted);margin-bottom:14px}
.aside-card .aside-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.aside-card .aside-link:hover{color:var(--c-primary-deep);text-decoration:underline}

/* ===== 提示条 ===== */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-line-soft);border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:12px;padding:20px 22px;margin-top:28px;
}
.notice strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.notice p{font-size:14px;line-height:1.8;color:var(--c-muted)}

/* ===== CTA 条 ===== */
.cta-band{background:var(--c-ink);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;left:-100px;top:-160px;width:360px;height:360px;
  border-radius:50%;border:1px solid rgba(180,227,61,.2);
  box-shadow:0 0 0 46px rgba(180,227,61,.05);pointer-events:none;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;z-index:1}
.cta-inner h2{font-size:26px;line-height:1.4;font-weight:600;margin-bottom:10px}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand i{
  width:32px;height:32px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-style:normal;font-weight:700;font-size:15px;flex:0 0 32px;
}
.footer-brand strong{font-size:17px;font-weight:700}
.site-footer p{margin-bottom:8px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.site-footer a{display:block;padding:5px 0;color:rgba(255,255,255,.72);transition:color .16s ease,padding-left .16s ease}
.site-footer a:hover{color:var(--c-accent);padding-left:4px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  :root{--nav-w:208px;--pad:24px;--sec:72px}
  .page-head h1{font-size:34px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .sidebar{display:none}
  .topbar{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
  .page-head{padding:44px 0 48px}
  .page-head h1{font-size:30px}
  .sec-head h2{font-size:24px}
}
@media (max-width:767px){
  :root{--pad:16px;--sec:56px;--gap:16px}
  .page-head{padding:36px 0 40px}
  .page-head h1{font-size:26px;line-height:1.3}
  .page-head .lead{font-size:15px}
  .section + .section{padding-top:48px}
  .rule-list{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .sec-head h2{font-size:22px}
  .cta-inner h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:480px){
  .page-head h1{font-size:23px}
  .rule-item{padding:20px}
  .badge{font-size:12px}
}

/* roulang page: category4 */
:root{
  --c-primary:#F0562A;
  --c-primary-deep:#C13F1B;
  --c-accent:#B4E33D;
  --c-ink:#101A16;
  --c-text:#1B1F1D;
  --c-muted:#6B6F6A;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-line:#E3DED2;
  --c-danger:#D93A2B;
  --c-ok:#2F8F5B;
  --sh-1:0 1px 2px rgba(16,24,20,.06);
  --sh-2:0 12px 32px -12px rgba(16,24,20,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sidebar-w:236px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1{font-size:40px;line-height:1.25;font-weight:700}
h2{font-size:28px;line-height:1.35;font-weight:600}
h3{font-size:20px;line-height:1.45;font-weight:600}
p{margin-bottom:1.2em}
p:last-child{margin-bottom:0}
strong{font-weight:600}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:6px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ============ 布局 ============ */
.layout{display:flex;align-items:flex-start;min-height:100vh}
.content{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
main{flex:1 1 auto}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:sticky;
  top:0;
  flex:0 0 var(--sidebar-w);
  width:var(--sidebar-w);
  height:100vh;
  overflow-y:auto;
  background:#FBF9F4;
  border-right:1px solid var(--c-line);
  padding:24px 16px 20px;
  display:flex;
  flex-direction:column;
  gap:22px;
  z-index:40;
}
.brand-logo{display:flex;align-items:center;gap:10px}
.brand-logo i{
  flex:0 0 auto;
  width:38px;height:38px;
  display:grid;place-items:center;
  background:var(--c-ink);
  color:var(--c-accent);
  font-style:normal;
  font-weight:700;
  font-size:18px;
  border-radius:12px;
}
.brand-logo span{display:flex;flex-direction:column;min-width:0}
.brand-logo strong{font-size:15px;line-height:1.3;color:var(--c-ink);font-weight:700}
.brand-logo em{font-style:normal;font-size:12px;line-height:1.5;color:var(--c-muted)}
.side-label{display:block;font-size:12px;color:var(--c-muted);letter-spacing:.02em;margin-bottom:8px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--c-muted);
  transition:background .16s ease,color .16s ease;
}
.nav-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:0;
  background:var(--c-primary);
  border-radius:0 3px 3px 0;
  transform:translateY(-50%);
  transition:height .16s ease;
}
.nav-item::after{
  content:"";
  position:absolute;
  right:12px;top:50%;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-accent);
  transform:translateY(-50%) scale(0);
  transition:transform .16s ease;
}
.nav-item:hover{background:#FBF8F2;color:var(--c-ink)}
.nav-item:active{background:#F5F0E4}
.nav-item.is-active{
  background:var(--c-surface);
  color:var(--c-ink);
  font-weight:600;
  box-shadow:var(--sh-1);
}
.nav-item.is-active::before{height:20px}
.nav-item.is-active::after{transform:translateY(-50%) scale(1)}
.side-aux{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--c-line);padding-top:16px}
.side-aux a{
  font-size:14px;
  color:var(--c-muted);
  padding:7px 4px;
  border-radius:8px;
  transition:color .16s ease,background .16s ease;
}
.side-aux a:hover{color:var(--c-primary);background:#FBF8F2}
.side-foot{margin-top:auto;border-top:1px solid var(--c-line);padding-top:16px}
.side-foot p{font-size:13px;color:var(--c-muted);line-height:1.7;margin-bottom:10px}
.side-business{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--c-ink)}
.side-business .dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-ok);display:inline-block;margin-right:6px}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:50;
  height:56px;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
}
.brand-mini{display:flex;align-items:center;gap:8px;min-width:0}
.brand-mini i{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  background:var(--c-ink);color:var(--c-accent);
  display:grid;place-items:center;font-style:normal;font-weight:700;font-size:14px;
}
.brand-mini strong{font-size:14px;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu-btn{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;
  background:var(--c-surface);display:grid;place-content:center;gap:4px;cursor:pointer;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.backdrop{
  display:none;position:fixed;inset:0;background:rgba(16,24,20,.42);
  z-index:55;opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.backdrop.is-open{opacity:1;pointer-events:auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1.5px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-secondary{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-ink)}
.btn-secondary:hover{background:#FBF8F2;transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-accent);border-color:rgba(180,227,61,.6)}
.btn-ghost:hover{background:rgba(180,227,61,.12);border-color:var(--c-accent)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{background:#c6ef56;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 徽章 / 标签 ============ */
.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;line-height:1}
.tag-live{background:var(--c-primary);color:#fff}
.tag-meta{background:#FBF8F2;color:var(--c-ink);border:1px solid var(--c-line)}
.tag-data{background:var(--c-accent);color:var(--c-ink)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.02em;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:10px;height:10px;background:var(--c-primary);border-radius:2px}

/* ============ 面包屑 ============ */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:22px}
.breadcrumbs a{transition:color .16s ease}
.breadcrumbs a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.breadcrumbs .sep{color:#C7C1B2}
.breadcrumbs .current{color:var(--c-ink);font-weight:500}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head p{color:var(--c-muted);font-size:15px;line-height:1.8;margin-top:12px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap;transition:color .16s ease}
.link-more:hover{color:var(--c-primary-deep)}

/* ============ Hero ============ */
.page-hero{padding:56px 0 0;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:420px;height:420px;
  border:1px solid rgba(240,86,42,.18);border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 em{font-style:normal;color:var(--c-primary)}
.lede{font-size:17px;color:var(--c-muted);line-height:1.85;max-width:600px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--c-line);
  background:#EFEADE;
  box-shadow:var(--sh-2);
}
.hero-media .data-chip{
  position:absolute;right:16px;bottom:16px;
  background:var(--c-accent);color:var(--c-ink);
  font-size:13px;font-weight:600;
  padding:8px 14px;border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.hero-media .stamp{
  position:absolute;left:-14px;top:-14px;
  background:var(--c-ink);color:#fff;
  font-size:12px;letter-spacing:.04em;
  padding:8px 14px;border-radius:8px;
}

/* ============ 搜索条 ============ */
.search-panel{
  margin-top:44px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.search-panel .search-copy{flex:1 1 200px;min-width:180px}
.search-panel .search-copy strong{display:block;font-size:16px;color:var(--c-ink)}
.search-panel .search-copy span{font-size:13px;color:var(--c-muted)}
.search-bar{display:flex;gap:10px;flex:2 1 380px;min-width:260px}
.search-bar input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#FBF9F4;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.search-bar input::placeholder{color:#9A9E98}
.search-bar input:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(180,227,61,.4);
}

/* ============ 自助排查 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.step{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.step:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.35);transform:translateY(-2px)}
.step-no{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-ink);color:var(--c-accent);
  display:grid;place-items:center;
  font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;line-height:1.75;color:var(--c-muted);margin:0}

/* ============ FAQ ============ */
.faq-groups{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.faq-group{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px}
.faq-group-title{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.faq-group-title .dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);flex:0 0 auto}
.faq{display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid var(--c-line);border-radius:12px;background:var(--c-surface);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:rgba(240,86,42,.3)}
.faq-item.is-open{border-color:rgba(240,86,42,.45);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:15px 16px;
  background:transparent;border:0;
  font-size:17px;font-weight:600;line-height:1.6;
  text-align:left;cursor:pointer;
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--c-primary);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-arrow{flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);transform:rotate(45deg);transition:transform .22s ease}
.faq-item.is-open .faq-arrow{transform:rotate(225deg);border-color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 16px 16px;font-size:15px;line-height:1.8;color:var(--c-muted)}
.faq-a-inner strong{color:var(--c-text)}
.search-empty{
  margin-top:22px;background:var(--c-surface);border:1px dashed var(--c-line);
  border-radius:var(--r-card);padding:36px 24px;text-align:center;
}
.search-empty .empty-icon{
  width:56px;height:56px;margin:0 auto 14px;border-radius:16px;
  background:#F1ECE0;display:grid;place-items:center;
  font-size:22px;color:var(--c-muted);
}
.search-empty h3{font-size:17px;margin-bottom:8px}
.search-empty p{font-size:14px;color:var(--c-muted);margin-bottom:18px}

/* ============ 表格 ============ */
.table-wrap{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:640px}
caption{text-align:left;padding:20px 24px 4px;font-size:14px;color:var(--c-muted)}
th,td{padding:16px 24px;text-align:left;font-size:14px;border-bottom:1px solid var(--c-line)}
thead th{background:#F1ECE0;color:var(--c-ink);font-weight:600;font-size:14px;white-space:nowrap}
tbody tr{transition:background .16s ease}
tbody tr:nth-child(even){background:#FBF9F4}
tbody tr:hover{background:#F7F3E9}
tbody tr:last-child td{border-bottom:0}
td .tag{margin-right:6px}
.table-note{padding:16px 24px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);background:#FDFBF7}

/* ============ 联系与支持 ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.contact-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;display:flex;gap:16px;align-items:flex-start;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.contact-card:hover{box-shadow:var(--sh-2);border-color:rgba(240,86,42,.3)}
.contact-card .ico{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  background:#F6F3EC;border:1px solid var(--c-line);
  display:grid;place-items:center;font-size:16px;color:var(--c-primary);font-weight:700;
}
.contact-card h3{font-size:16px;margin-bottom:6px}
.contact-card p{font-size:14px;color:var(--c-muted);line-height:1.75;margin:0}
.contact-photo{margin-top:16px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line)}
.contact-photo img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EFEADE}
.contact-photo figcaption{font-size:12px;color:var(--c-muted);padding:10px 14px;background:var(--c-surface)}

/* ============ 表单 ============ */
.support-form{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
}
.support-form h3{font-size:20px;margin-bottom:8px}
.support-form .form-sub{font-size:14px;color:var(--c-muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-ink)}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#FBF9F4;color:var(--c-text);
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.field textarea{resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#9A9E98}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(180,227,61,.4);
}
.field.has-error input,.field.has-error textarea{border-color:var(--c-danger)}
.field .error-text{display:none;font-size:13px;color:var(--c-danger);margin-top:6px}
.field.has-error .error-text{display:block}
.form-hint{font-size:13px;color:var(--c-muted);margin-top:14px;line-height:1.7}

/* ============ CTA 条 ============ */
.cta-band{background:var(--c-ink);color:#fff;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band .cta-desc{font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);max-width:620px}
.cta-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-list li{
  font-size:13px;color:var(--c-ink);background:var(--c-accent);
  padding:7px 14px;border-radius:var(--r-pill);font-weight:600;
}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand i{
  width:34px;height:34px;border-radius:10px;background:var(--c-accent);color:var(--c-ink);
  display:grid;place-items:center;font-style:normal;font-weight:700;font-size:15px;
}
.footer-brand strong{color:#fff;font-size:16px}
.site-footer p{line-height:1.85;margin-bottom:8px;font-size:13px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600}
.site-footer a{display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.72);transition:color .16s ease}
.site-footer a:hover{color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar-w:208px}
  .container{padding:0 24px}
  h1{font-size:34px}
  .section{padding:80px 0}
  .section-tight{padding:56px 0}
}
@media (max-width:1023px){
  .layout{display:block}
  .topbar{display:flex}
  .sidebar{
    position:fixed;top:0;left:0;height:100vh;width:288px;max-width:86vw;
    transform:translateX(-100%);
    transition:transform .24s ease;
    z-index:60;box-shadow:var(--sh-2);
    flex:0 0 auto;
  }
  .sidebar.is-open{transform:translateX(0)}
  .backdrop{display:block}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .steps{grid-template-columns:1fr 1fr}
  .faq-groups{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-actions .btn{width:auto;flex:1 1 200px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-hero::after{display:none}
}
@media (max-width:767px){
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .section-head{margin-bottom:28px}
  .search-panel{padding:18px;gap:14px}
  .search-bar{flex-direction:column;width:100%}
  .search-bar .btn{width:100%}
  .steps{grid-template-columns:1fr 1fr;gap:16px}
  .step{padding:18px}
  .faq-q{font-size:16px}
  .support-form{padding:20px}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
  th,td{padding:14px 16px}
  caption{padding:16px 16px 0}
  .table-note{padding:14px 16px}
}
@media (max-width:480px){
  .steps{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-media .stamp{display:none}
  .hero-media .data-chip{right:10px;bottom:10px;font-size:12px;padding:6px 12px}
  .faq-group{padding:18px}
  .cta-actions .btn{width:100%;flex:1 1 100%}
}