/* roulang page: index */
:root{
  --ink-900:#0C2E2A;
  --ink-700:#123F39;
  --brand-600:#0F5C4E;
  --brand-500:#157A66;
  --brand-100:#E3F0EC;
  --accent-500:#F2814A;
  --accent-600:#DE6B32;
  --highlight-400:#C9E265;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E6E1D7;
  --text-900:#18211F;
  --text-600:#5A6864;
  --text-400:#8C9691;
  --disabled-bg:#C7CCC9;
  --disabled-text:#8C9691;
  --shadow-1:0 1px 2px rgba(12,46,42,.05),0 6px 18px rgba(12,46,42,.06);
  --shadow-2:0 10px 28px rgba(12,46,42,.12);
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --side-w:248px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-500);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:3px solid rgba(242,129,74,.35);outline-offset:2px;border-radius:6px;}
h1{font-size:42px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h2{font-size:28px;line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{line-height:1.9;color:var(--text-600);}

/* ---------- 布局骨架 ---------- */
.layout{display:flex;min-height:100vh;}
.side-nav{
  width:var(--side-w);
  flex:0 0 var(--side-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  position:fixed;
  inset:0 auto 0 0;
  display:flex;
  flex-direction:column;
  padding:22px 16px 18px;
  overflow-y:auto;
  z-index:60;
}
.content{
  margin-left:var(--side-w);
  flex:1 1 auto;
  min-width:0;
  display:flex;
  flex-direction:column;
}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 4vw;
}

/* ---------- 品牌区 ---------- */
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 8px 18px;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:-22px;
  background:var(--surface);
  z-index:2;
}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-500));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;line-height:1;
  letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__name{font-size:15px;font-weight:700;color:var(--text-900);line-height:1.25;}
.brand__sub{font-size:12px;color:var(--text-400);line-height:1.4;}

/* ---------- 侧栏导航 ---------- */
.nav-list{margin:16px 0 0;display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;
  padding:0 10px 0 14px;
  border-radius:9px;
  font-size:15px;
  color:var(--text-600);
  border-left:3px solid transparent;
}
.nav-item i{font-size:14px;width:16px;text-align:center;color:var(--brand-500);}
.nav-item:hover{background:var(--brand-100);color:var(--brand-600);}
.nav-item.is-active{
  background:var(--brand-100);
  color:var(--brand-600);
  font-weight:600;
  border-left-color:var(--accent-500);
}
.side-cta{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px;}
.side-note{font-size:12px;color:var(--text-400);line-height:1.6;padding-top:14px;border-top:1px solid var(--line);margin-top:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;
  border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-600);}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-600);}
.btn--wave{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.4);color:#fff;}
.btn--wave:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn--block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;
  line-height:1.5;
}
.badge--brand{background:var(--brand-100);color:var(--brand-600);}
.badge--accent{background:var(--highlight-400);color:var(--ink-900);}
.badge--outline{background:transparent;border:1px solid var(--line);color:var(--text-400);}
.tag{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  transition:background-color .18s ease,color .18s ease;
}
.tag:hover{background:var(--brand-600);color:#fff;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.mobile-bar__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--text-900);}
.mobile-bar__mark{width:30px;height:30px;border-radius:9px;background:var(--brand-600);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;}
.burger{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:var(--ink-900);}
.burger:hover{background:var(--brand-100);}
.nav-backdrop{
  display:none;
  position:fixed;inset:0;background:rgba(12,46,42,.45);
  z-index:55;opacity:0;transition:opacity .2s ease;
}
.nav-backdrop.is-open{opacity:1;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background-color:var(--ink-900);
  isolation:isolate;
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  z-index:-2;
}
.hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,46,42,.78) 0%,rgba(12,46,42,.62) 55%,rgba(18,63,57,.55) 100%);
  z-index:-1;
}
.hero__grid{
  position:absolute;inset:0;z-index:-1;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero__inner{padding:96px 0 88px;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--highlight-400);
  background:rgba(201,226,101,.12);
  border:1px solid rgba(201,226,101,.3);
  padding:5px 14px;border-radius:999px;
  margin-bottom:20px;
}
.hero h1{color:#fff;max-width:640px;}
.hero__lead{
  margin-top:20px;
  font-size:18px;line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:620px;
}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:#fff;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
  padding:7px 14px;border-radius:999px;
}
.pill i{color:var(--highlight-400);font-size:12px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(255,255,255,.16);
  aspect-ratio:16/11;
  background:rgba(255,255,255,.06);
}
.hero__visual img{width:100%;height:100%;object-fit:cover;}
.hero__visual::after{content:"";position:absolute;inset:0;background:rgba(12,46,42,.18);}
.hero__float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(12,46,42,.86);
  border:1px solid rgba(255,255,255,.2);
  border-radius:12px;
  padding:12px 16px;
  color:#fff;font-size:13px;line-height:1.6;
  backdrop-filter:blur(3px);
}
.hero__float strong{display:block;font-size:18px;color:var(--highlight-400);}

/* ---------- 信息条 ---------- */
.statbar{background:var(--ink-700);}
.statbar__inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.12);
}
.stat{
  background:var(--ink-700);
  min-height:64px;
  padding:14px 20px;
  display:flex;flex-direction:column;justify-content:center;gap:2px;
}
.stat__num{font-size:20px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}
.stat__label{font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- 板块通用 ---------- */
.section{padding:80px 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--ink-900);}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{display:flex;align-items:center;gap:14px;}
.section-head h2::before{
  content:"";flex:0 0 4px;width:4px;height:22px;border-radius:999px;background:var(--accent-500);
}
.section-head p{margin-top:14px;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.head-row .section-head{margin-bottom:0;}
.text-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link i{font-size:12px;transition:transform .18s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:24px;
  display:flex;flex-direction:column;gap:12px;
  height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.card__title{font-size:18px;font-weight:600;line-height:1.45;}
.card__title a{color:var(--text-900);}
.card__title a:hover{color:var(--brand-600);}
.card__desc{
  font-size:15px;line-height:1.75;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-400);margin-top:auto;}
.card__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.card__thumb{
  margin:-24px -24px 0;
  border-radius:var(--radius-card) var(--radius-card) 0 0;
  overflow:hidden;position:relative;
  aspect-ratio:16/9;background:var(--brand-100);
}
.card__thumb img{width:100%;height:100%;object-fit:cover;}
.card__thumb::after{content:"";position:absolute;inset:0;background:rgba(12,46,42,.06);}

/* ---------- 步骤流程 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  counter-reset:step;
}
.step{
  position:relative;
  padding:0 18px 0 0;
}
.step::after{
  content:"";position:absolute;top:20px;left:52px;right:8px;
  border-top:2px dashed var(--line);
}
.step:last-child::after{display:none;}
.step__ring{
  width:40px;height:40px;border-radius:50%;
  border:2px solid var(--line);
  background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--brand-600);
  margin-bottom:16px;position:relative;z-index:1;
}
.step.is-done .step__ring{background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.step h3{font-size:17px;margin-bottom:6px;}
.step p{font-size:14px;line-height:1.7;}

/* ---------- 奖励卡 ---------- */
.reward{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reward:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.reward__corner{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--highlight-400);color:var(--ink-900);
  font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;
}
.reward__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100);}
.reward__thumb img{width:100%;height:100%;object-fit:cover;}
.reward__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reward__body h3{font-size:18px;}
.reward__body p{font-size:14px;line-height:1.7;}
.reward__link{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 进度区 ---------- */
.progress-panel{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  padding:28px;
}
.cal-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-bottom:26px;}
.cal-cell{
  aspect-ratio:1/1;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:rgba(255,255,255,.6);
  background:rgba(255,255,255,.03);
}
.cal-cell.is-done{background:var(--accent-500);border-color:var(--accent-500);color:#fff;font-weight:600;}
.cal-cell.is-current{border-color:var(--highlight-400);color:var(--highlight-400);font-weight:600;background:rgba(201,226,101,.1);}
.bar{
  height:8px;border-radius:999px;background:var(--brand-100);overflow:hidden;
}
.bar__fill{height:100%;border-radius:999px;background:var(--accent-500);width:72%;transition:width .4s ease;}
.bar-meta{display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.7);margin-top:12px;}

/* ---------- 资讯列表 ---------- */
.news-card .card__thumb{margin:-24px -24px 0;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--surface);
  padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:30px;color:var(--brand-500);}
.empty-state p{font-size:15px;}

/* ---------- 证据 / 评价 ---------- */
.quote{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px;height:100%;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:14px;
}
.quote__text{font-size:15px;line-height:1.85;color:var(--text-600);}
.quote__who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:var(--brand-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;
}
.quote__who span{font-size:13px;color:var(--text-400);display:block;}
.quote__who strong{font-size:14px;color:var(--text-900);font-weight:600;}

/* ---------- FAQ ---------- */
.accordion{background:transparent;border:0;margin:0;}
.accordion-item{border-bottom:1px solid var(--line);background:transparent;}
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-title{
  position:relative;
  font-size:17px;font-weight:600;color:var(--text-900);
  padding:18px 52px 18px 18px;
  min-height:56px;
  display:flex;align-items:center;
  border:0;background:transparent;
  line-height:1.45;
}
.accordion-title:hover{background:var(--brand-100);color:var(--brand-600);}
.accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--brand-500);
  transition:transform .2s ease;
}
.accordion-item.is-active .accordion-title::before{content:"\f068";transform:translateY(-50%) rotate(180deg);}
.accordion-content{background:var(--bg);padding:0 18px;}
.accordion-content p{padding:18px 0;font-size:15px;line-height:1.85;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--brand-600) 0%,#136b58 52%,var(--accent-600) 100%);
  border-radius:var(--radius-lg);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;max-width:560px;}
.cta-band p{color:rgba(255,255,255,.85);margin-top:12px;max-width:560px;font-size:15px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn--ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.9);margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand__mark{width:38px;height:38px;border-radius:11px;background:var(--brand-500);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;}
.footer-brand__name{font-size:16px;font-weight:700;color:#fff;}
.site-footer p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--highlight-400);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--highlight-400);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .hero h1{font-size:36px;}
}
@media screen and (max-width:1023px){
  .side-nav{
    width:280px;flex-basis:280px;
    transform:translateX(-100%);
    transition:transform .22s ease;
    box-shadow:var(--shadow-2);
    padding-top:20px;
  }
  .side-nav.is-open{transform:translateX(0);}
  .content{margin-left:0;}
  .mobile-bar{display:flex;}
  .nav-backdrop{display:block;}
  .brand{position:static;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .hero__inner{padding:64px 0 56px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 28px;}
  .cta-band{padding:40px 28px;}
}
@media screen and (max-width:900px){
  .steps{grid-template-columns:1fr 1fr;gap:28px 0;}
  .step:nth-child(2)::after{display:none;}
  .step::after{display:none;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .statbar__inner{grid-template-columns:1fr 1fr;}
  .cal-grid{grid-template-columns:repeat(4,1fr);}
  .hero__visual{aspect-ratio:16/12;}
  .hero__actions .btn{flex:1 1 auto;}
}
@media screen and (max-width:520px){
  .wrap{padding:0 16px;}
  .hero__inner{padding:48px 0 44px;}
  .hero__lead{font-size:16px;}
  .pills{gap:8px;}
  .pill{font-size:12px;padding:6px 11px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .card{padding:18px;}
  .card__thumb{margin:-18px -18px 0;}
  .section{padding:48px 0;}
}

/* roulang page: article */
:root{
  --ink-900:#0C2E2A;
  --ink-700:#123F39;
  --brand-600:#0F5C4E;
  --brand-500:#157A66;
  --brand-100:#E3F0EC;
  --accent-500:#F2814A;
  --accent-600:#DE6B32;
  --highlight-400:#C9E265;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E6E1D7;
  --text-900:#18211F;
  --text-600:#5A6864;
  --text-400:#8C9691;
  --disabled-bg:#C7CCC9;
  --disabled-text:#8C9691;
  --shadow-1:0 1px 2px rgba(12,46,42,.05), 0 6px 18px rgba(12,46,42,.06);
  --shadow-2:0 10px 28px rgba(12,46,42,.12);
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --radius-pill:999px;
  --sidebar-w:248px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-600);text-decoration:none;text-underline-offset:2px;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text-900);letter-spacing:.01em;}
p{margin:0 0 1.25em;color:var(--text-600);}
ul,ol{margin:0 0 1.25em;padding-left:1.35em;}
li{margin-bottom:.6em;color:var(--text-600);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(242,129,74,.45);outline-offset:2px;border-radius:6px;}
::selection{background:var(--highlight-400);color:var(--ink-900);}

/* 布局骨架 */
.shell{display:flex;min-height:100vh;align-items:stretch;}
.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;
  padding:24px 18px 18px;
  overflow-y:auto;
}
.brand{display:flex;gap:12px;align-items:center;padding:4px 6px 20px;border-bottom:1px solid var(--line);}
.brand__mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  background:var(--ink-900);color:var(--highlight-400);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.5px;
}
.brand__text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand__name{font-weight:700;font-size:16px;color:var(--text-900);}
.brand__sub{font-size:12px;color:var(--text-400);}
.nav-list{display:flex;flex-direction:column;gap:4px;padding:18px 0 8px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-600);font-size:15px;font-weight:500;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:transparent;transition:background-color .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--text-400);transition:color .18s ease;}
.nav-item:hover{background:var(--brand-100);color:var(--brand-600);}
.nav-item:hover i{color:var(--brand-600);}
.nav-item.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600;}
.nav-item.is-active::before{background:var(--accent-500);}
.nav-item.is-active i{color:var(--accent-600);}
.sidebar__cta{margin-top:18px;}
.sidebar__foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--text-400);line-height:1.7;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-600);}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-600);}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn--block{width:100%;}

.main{flex:1;min-width:0;display:flex;flex-direction:column;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* 移动端顶栏 */
.topbar{
  display:none;position:sticky;top:0;z-index:60;
  height:56px;background:var(--surface);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--text-900);}
.topbar__brand span.mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink-900);color:var(--highlight-400);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.topbar__toggle{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink-900);font-size:17px;cursor:pointer;}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink-900);
  display:flex;flex-direction:column;padding:22px 18px 28px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.14);}
.drawer__title{color:#fff;font-weight:700;font-size:16px;}
.drawer__close{width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;font-size:17px;cursor:pointer;}
.drawer .nav-list{padding:18px 0;}
.drawer .nav-item{color:rgba(255,255,255,.82);height:48px;}
.drawer .nav-item i{color:rgba(255,255,255,.55);}
.drawer .nav-item:hover,.drawer .nav-item.is-active{background:rgba(255,255,255,.09);color:#fff;}
.drawer .nav-item.is-active::before{background:var(--accent-500);}
.drawer__cta{margin-top:auto;}

/* 面包屑 */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--text-400);}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;}
.crumbs li{margin:0;color:var(--text-400);display:flex;align-items:center;gap:8px;}
.crumbs li::after{content:"/";color:var(--line);}
.crumbs li:last-child::after{display:none;}
.crumbs a{color:var(--text-600);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .current{color:var(--text-400);max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-block;}

/* 文章头 */
.article-hero{
  position:relative;margin-top:18px;border-radius:var(--radius-lg);overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  min-height:300px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow-1);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,46,42,.62),rgba(12,46,42,.82));
}
.article-hero::after{
  content:"";position:absolute;inset:0;opacity:.04;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:32px 32px;
}
.article-hero__inner{position:relative;z-index:2;padding:38px 36px 34px;width:100%;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge--soft{background:var(--brand-100);color:var(--brand-600);}
.badge--light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.25);}
.badge--accent{background:var(--highlight-400);color:var(--ink-900);}
.article-hero h1{
  color:#fff;font-size:42px;line-height:1.3;margin:16px 0 16px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.78);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--highlight-400);font-size:13px;}

/* 正文 */
.article-section{padding:56px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:40px 44px;
}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text-600);}
.article-body>p:first-of-type{color:var(--text-900);}
.article-body h2{
  position:relative;font-size:28px;line-height:1.35;margin:48px 0 18px;padding-left:18px;color:var(--text-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:4px;background:var(--brand-600);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:32px 0 12px;color:var(--text-900);}
.article-body ul,.article-body ol{padding-left:1.4em;}
.article-body li{color:var(--text-600);}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--bg);border-left:4px solid var(--brand-500);
  border-radius:0 12px 12px 0;color:var(--text-600);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:26px auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-400);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body thead th{background:var(--brand-100);color:var(--ink-900);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body a{color:var(--brand-600);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;}
.article-body a:hover{color:var(--brand-500);}
.article-body strong{color:var(--text-900);font-weight:600;}
.article-empty{
  max-width:760px;margin:0 auto;text-align:center;padding:56px 20px;
}
.article-empty i{font-size:34px;color:var(--text-400);}
.article-empty h2{font-size:22px;margin:18px 0 10px;padding:0;}
.article-empty h2::before{display:none;}
.article-empty p{margin-bottom:22px;}

/* 文末标签 */
.article-foot{
  max-width:760px;margin:40px auto 0;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-600);font-size:13px;font-weight:500;
  transition:background-color .18s ease,color .18s ease;
}
.tag:hover{background:var(--brand-600);color:#fff;}

/* 板块通用 */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:28px;position:relative;padding-left:18px;}
.section-head h2::before{content:"";position:absolute;left:0;top:5px;width:4px;height:22px;border-radius:4px;background:var(--accent-500);}
.section-head p{margin:14px 0 0;font-size:16px;color:var(--text-600);}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;}
.link-more{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--accent-600);}

/* 卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-100);}
.card__media img{width:100%;height:100%;object-fit:cover;}
.card__media::after{content:"";position:absolute;inset:0;background:rgba(12,46,42,.06);}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__body h3{font-size:18px;font-weight:600;line-height:1.45;}
.card__body h3 a{color:var(--text-900);}
.card__body h3 a:hover{color:var(--brand-600);}
.card__desc{font-size:15px;line-height:1.75;color:var(--text-600);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-400);padding-top:12px;border-top:1px solid var(--line);}
.card__meta .time{font-variant-numeric:tabular-nums;}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-list .accordion-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 4px;font-size:16px;font-weight:600;color:var(--text-900);
  border:0;background:transparent;
}
.faq-list .accordion-title:hover{color:var(--brand-600);}
.faq-list .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--accent-500);order:2;transition:transform .2s ease;margin:0;
}
.faq-list .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq-list .accordion-content{padding:0 4px 18px;background:transparent;border:0;font-size:15px;line-height:1.85;color:var(--text-600);}
.faq-list .accordion-content p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{
  background:linear-gradient(120deg,var(--brand-600),var(--ink-900));
  border-radius:var(--radius-lg);padding:48px 44px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:28px;}
.cta-band p{color:rgba(255,255,255,.82);margin:12px 0 0;max-width:620px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.9);margin-top:72px;}
.site-footer .wrap{padding-top:56px;padding-bottom:26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);
  color:var(--highlight-400);display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:13px;
}
.footer-brand__name{font-weight:700;font-size:16px;color:#fff;}
.site-footer p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.8;margin:0;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col li{margin:0;}
.footer-col a{color:rgba(255,255,255,.78);font-size:14px;}
.footer-col a:hover{color:var(--highlight-400);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--highlight-400);}

@media screen and (max-width:1023px){
  .shell{display:block;}
  .sidebar{display:none;}
  .topbar{display:flex;}
  .wrap{padding:0 22px;}
  .article-hero h1{font-size:32px;}
  .article-card{padding:30px 26px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:38px 28px;}
  .section{padding:56px 0;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .article-hero{min-height:260px;border-radius:16px;}
  .article-hero__inner{padding:26px 20px 24px;}
  .article-hero h1{font-size:27px;margin:12px 0 14px;}
  .article-meta{font-size:13px;gap:8px 16px;}
  .article-card{padding:24px 18px;border-radius:16px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin:36px 0 14px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .cta-band{border-radius:16px;padding:30px 20px;}
  .cta-band h2{font-size:22px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px 12px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0C2E2A;
  --ink-700:#123F39;
  --brand-600:#0F5C4E;
  --brand-500:#157A66;
  --brand-100:#E3F0EC;
  --accent-500:#F2814A;
  --accent-600:#DE6B32;
  --highlight-400:#C9E265;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E6E1D7;
  --text-900:#18211F;
  --text-600:#5A6864;
  --text-400:#8C9691;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(12,46,42,.05),0 6px 18px rgba(12,46,42,.06);
  --shadow-2:0 10px 28px rgba(12,46,42,.12);
  --sidebar-w:248px;
  --sec-pad:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--brand-500)}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.25em;padding-left:1.15em}
li{margin-bottom:.6em}
li:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-900);letter-spacing:.2px}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:3px solid rgba(242,129,74,.35);outline-offset:2px;border-radius:6px}

/* ---------- 布局骨架 ---------- */
.layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.main{min-width:0;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 4vw}
.section{padding:var(--sec-pad) 0}
.section--tint{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:var(--ink-900);color:rgba(255,255,255,.9)}
.section--deep h2,.section--deep h3{color:#fff}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head p{color:var(--text-600);margin-top:14px}
.sec-title{position:relative;padding-left:18px;font-size:28px;line-height:1.35}
.sec-title::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--accent-500)}
.sec-title--brand::before{background:var(--brand-600)}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:sticky;top:0;height:100vh;overflow-y:auto;
  background:var(--surface);border-right:1px solid var(--line);
  padding:26px 18px 24px;display:flex;flex-direction:column;gap:22px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{
  width:44px;height:44px;border-radius:12px;flex:0 0 44px;
  background:var(--brand-600);color:#fff;display:grid;place-items:center;
  font-size:14px;font-weight:700;letter-spacing:.5px;
  font-variant-numeric:tabular-nums;
}
.brand__text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand__name{font-size:15px;font-weight:700;color:var(--ink-900)}
.brand__sub{font-size:12px;color:var(--text-400);margin-top:2px}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-left:3px solid transparent;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-600);
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--brand-500)}
.nav-item:hover{background:var(--brand-100);color:var(--brand-600)}
.nav-item.is-active{border-left-color:var(--accent-500);background:var(--brand-100);color:var(--brand-600);font-weight:600}
.sidebar__foot{margin-top:auto;border-top:1px solid var(--line);padding-top:16px;font-size:12px;line-height:1.7;color:var(--text-400)}
.sidebar__foot p{margin-bottom:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;border:0;background:transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-secondary{border:1.5px solid var(--brand-600);color:var(--brand-600);background:transparent}
.btn-secondary:hover{background:var(--brand-100);color:var(--brand-600);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn:focus-visible{outline:3px solid rgba(242,129,74,.35);outline-offset:2px}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:60;height:56px;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line);
}
.topbar__brand{font-size:15px;font-weight:700;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg);color:var(--brand-600);font-size:16px;display:grid;place-items:center;
}
.menu-toggle:hover{background:var(--brand-100)}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink-900);
  padding:24px 20px;display:flex;flex-direction:column;gap:14px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;color:#fff}
.drawer__title{font-size:15px;font-weight:700}
.drawer__close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;font-size:16px}
.drawer .nav-item{color:rgba(255,255,255,.82);height:48px}
.drawer .nav-item i{color:var(--highlight-400)}
.drawer .nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer .nav-item.is-active{background:rgba(255,255,255,.12);border-left-color:var(--accent-500);color:#fff}
.drawer__foot{margin-top:auto;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--text-400);padding-top:24px}
.crumbs a{color:var(--text-600)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs span{margin:0 8px;color:var(--line)}
.crumbs .current{color:var(--text-400)}

/* ---------- Hero ---------- */
.kv{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  min-height:320px;margin-top:16px;
  background:var(--ink-900) url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  display:flex;align-items:center;padding:48px;
  box-shadow:var(--shadow-2);
}
.kv::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(12,46,42,.82) 0%,rgba(12,46,42,.62) 55%,rgba(12,46,42,.55) 100%)}
.kv::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
}
.kv__inner{position:relative;z-index:2;max-width:760px}
.kv__eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:999px;background:rgba(201,226,101,.16);
  color:var(--highlight-400);font-size:12px;font-weight:600;letter-spacing:.4px;
}
.kv h1{font-size:42px;line-height:1.3;color:#fff;font-weight:700}
.kv__lead{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);max-width:640px}
.kv__pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.9);font-size:13px;
}
.pill i{color:var(--highlight-400);font-size:12px}
.kv__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);margin-top:24px;overflow:hidden;
}
.stat{padding:20px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__value{font-size:24px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.stat__label{font-size:13px;color:var(--text-600);margin-top:6px}

/* ---------- Zigzag 图文 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.zig + .zig{border-top:1px dashed var(--line)}
.zig--rev .zig__media{order:-1}
.zig__num{
  font-size:76px;font-weight:700;line-height:1;letter-spacing:-2px;
  color:rgba(15,92,78,.13);font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.zig h3{font-size:20px;line-height:1.45;margin-bottom:14px}
.zig p{color:var(--text-600);font-size:16px;line-height:1.85}
.zig ul{color:var(--text-600);font-size:16px;line-height:1.8;padding-left:0;list-style:none;margin-top:6px}
.zig ul li{position:relative;padding-left:26px}
.zig ul li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;font-size:12px;color:var(--brand-500);
}
.zig__media{position:relative}
.zig__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.zig__media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-card);
  background:rgba(12,46,42,.06);pointer-events:none;
}
.zig__tag{
  display:inline-block;margin-bottom:12px;padding:5px 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;
}

/* ---------- 步骤流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:12px}
.step{position:relative;display:flex;flex-direction:column;gap:12px}
.step:not(:last-child)::after{
  content:"";position:absolute;top:20px;left:54px;right:-28px;
  border-top:2px dashed var(--line);
}
.step__ring{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  display:grid;place-items:center;background:var(--surface);
  border:2px solid var(--line);color:var(--brand-600);
  font-weight:700;font-size:15px;
}
.step.is-done .step__ring{background:var(--accent-500);border-color:var(--accent-500);color:#fff}
.step:last-child .step__ring{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.step__title{font-size:17px;font-weight:600;line-height:1.5}
.step__desc{font-size:14px;color:var(--text-600);line-height:1.7}

/* ---------- 卡片与清单 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.card h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.card p{font-size:15px;color:var(--text-600);line-height:1.8}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;
  font-size:15px;color:var(--text-600);line-height:1.75;
}
.check-list li i{color:var(--brand-500);margin-top:5px;font-size:14px}
.check-list strong{display:block;color:var(--text-900);font-size:16px;margin-bottom:4px;font-weight:600}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;font-size:16px;font-weight:600;color:var(--text-900);
  cursor:pointer;transition:background-color .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--brand-100);color:var(--brand-600)}
.faq-item summary .faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-100);color:var(--brand-600);
  font-size:12px;transition:transform .2s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--accent-500);color:#fff}
.faq-item .faq-body{padding:2px 22px 20px;background:var(--bg);font-size:15px;line-height:1.85;color:var(--text-600)}
.faq-item .faq-body p{margin-bottom:.9em}
.faq-item .faq-body p:last-child{margin-bottom:0}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand-600) 0%,#14705D 55%,#1B836C 100%);
  border-radius:var(--radius-lg);padding:56px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:12px;padding:0}
.cta-band p{color:rgba(255,255,255,.82);max-width:620px;font-size:16px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.9);margin-top:auto;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand__mark{
  width:40px;height:40px;border-radius:12px;background:var(--accent-500);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.footer-brand__name{font-size:16px;font-weight:700;color:#fff}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78)}
.footer-col a:hover{color:var(--highlight-400)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:var(--highlight-400)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-pad:56px}
  .layout{grid-template-columns:1fr}
  .sidebar{display:none}
  .topbar{display:flex}
  .kv{padding:36px 28px;min-height:280px}
  .kv h1{font-size:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:16px}
  :root{--sec-pad:48px}
  .wrap{padding:0 20px}
  .kv h1{font-size:27px}
  .kv__lead{font-size:16px}
  .sec-title{font-size:22px}
  .stat-strip{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .zig{grid-template-columns:1fr;gap:26px;padding:28px 0}
  .zig--rev .zig__media{order:0}
  .zig__num{font-size:52px}
  .steps{grid-template-columns:1fr;gap:22px}
  .step{flex-direction:row;align-items:flex-start}
  .step:not(:last-child)::after{display:none}
  .card-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px}
  .cta-band h2{font-size:22px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 180px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .kv{padding:28px 20px;border-radius:16px}
  .kv__actions .btn{width:100%}
  .btn{padding:0 18px}
  .card{padding:20px 16px}
  .faq-item summary{padding:14px 16px;font-size:15px}
  .faq-item .faq-body{padding:2px 16px 18px}
}

/* roulang page: category2 */
:root{
  --ink-900:#0C2E2A;
  --ink-700:#123F39;
  --brand-600:#0F5C4E;
  --brand-500:#157A66;
  --brand-100:#E3F0EC;
  --accent-500:#F2814A;
  --accent-600:#DE6B32;
  --highlight-400:#C9E265;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E6E1D7;
  --text-900:#18211F;
  --text-600:#5A6864;
  --text-400:#8C9691;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(12,46,42,.05),0 6px 18px rgba(12,46,42,.06);
  --shadow-2:0 10px 28px rgba(12,46,42,.12);
  --side-w:248px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text-900);}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
button,input{font-family:inherit;font-size:inherit;}
.num{font-variant-numeric:tabular-nums;}

.wrap{max-width:1200px;margin:0 auto;padding:0 4vw;}

/* ============ 左侧导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:24px 18px 22px;
  display:flex;
  flex-direction:column;
  z-index:40;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 14px;border-bottom:1px solid var(--line);}
.brand__mark{
  flex:0 0 auto;
  width:46px;height:46px;border-radius:13px;
  background:var(--ink-900);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.5px;
  position:relative;
  font-variant-numeric:tabular-nums;
}
.brand__mark::after{
  content:"";position:absolute;right:5px;top:5px;width:8px;height:8px;border-radius:50%;
  background:var(--highlight-400);
}
.brand__text{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.brand__name{font-size:15px;font-weight:700;color:var(--text-900);letter-spacing:-.2px;}
.brand__sub{font-size:12px;color:var(--text-400);letter-spacing:.4px;}

.nav-list{display:flex;flex-direction:column;gap:4px;margin-top:18px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:15px;color:var(--text-600);
  transition:background .18s ease,color .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:var(--text-400);transition:color .18s ease;}
.nav-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:999px;
  background:transparent;transition:background .18s ease;
}
.nav-item:hover{background:var(--brand-100);color:var(--brand-600);}
.nav-item:hover i{color:var(--brand-600);}
.nav-item.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600;}
.nav-item.is-active i{color:var(--brand-600);}
.nav-item.is-active::before{background:var(--accent-500);}
.nav-item:focus-visible{outline:3px solid rgba(242,129,74,.35);outline-offset:2px;}

.side-cta{margin-top:22px;padding:0 4px;}
.side-cta .btn{width:100%;}
.side-note{
  margin-top:auto;padding:16px 8px 0;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-400);line-height:1.7;
}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:50;
  height:56px;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.mobile-brand{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--text-900);}
.mobile-brand span.mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink-900);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
}
.burger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-900);
  display:flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.burger:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-600);}

.drawer{
  position:fixed;inset:0;z-index:70;
  background:var(--ink-900);
  padding:22px 20px 32px;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__brand{color:#fff;font-size:16px;font-weight:700;}
.drawer__close{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.3);
  background:transparent;color:#fff;font-size:17px;cursor:pointer;
}
.drawer .nav-list{gap:6px;}
.drawer .nav-item{height:48px;color:rgba(255,255,255,.86);font-size:16px;}
.drawer .nav-item i{color:rgba(255,255,255,.55);}
.drawer .nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer .nav-item.is-active{background:rgba(201,226,101,.14);color:#fff;font-weight:600;}
.drawer .nav-item.is-active i{color:var(--highlight-400);}
.drawer .nav-item.is-active::before{background:var(--accent-500);}
.drawer__cta{margin-top:22px;}

/* ============ 主内容 ============ */
.content{margin-left:var(--side-w);}
.section{padding:72px 0;border-bottom:1px solid var(--line);}
.section:last-of-type{border-bottom:none;}
.section--tint{background:var(--brand-100);}
.section--dark{background:var(--ink-900);color:rgba(255,255,255,.86);border-bottom:none;}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-title{
  font-size:28px;line-height:1.35;font-weight:700;display:flex;align-items:center;gap:12px;
}
.section-title::before{
  content:"";flex:0 0 auto;width:4px;height:22px;border-radius:2px;background:var(--brand-600);
}
.section--dark .section-title::before{background:var(--accent-500);}
.section-lead{margin-top:12px;font-size:17px;color:var(--text-600);line-height:1.8;}
.section--dark .section-lead{color:rgba(255,255,255,.72);}

/* ============ 面包屑 ============ */
.breadcrumbs-bar{padding:18px 0 0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-400);}
.crumbs a{color:var(--text-600);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--text-400);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  margin-top:18px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  padding:56px 40px 52px;
  color:#fff;
  background-image:linear-gradient(rgba(12,46,42,.72),rgba(12,46,42,.78)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-1);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
  opacity:.7;
}
.page-hero__inner{position:relative;z-index:2;max-width:760px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(201,226,101,.16);
  border:1px solid rgba(201,226,101,.45);
  color:var(--highlight-400);
  font-size:12px;letter-spacing:.6px;margin-bottom:18px;
}
.page-hero h1{
  font-size:42px;line-height:1.3;color:#fff;letter-spacing:-.5px;
}
.page-hero h1 em{font-style:normal;color:var(--highlight-400);}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.85);max-width:640px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:rgba(255,255,255,.9);
  font-variant-numeric:tabular-nums;
}
.pill i{color:var(--highlight-400);font-size:12px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(242,129,74,.35);outline-offset:2px;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline{background:transparent;color:var(--brand-600);border-color:var(--brand-600);}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-600);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px;}

/* ============ 时间轴 ============ */
.timeline{margin-top:8px;}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:56px 1fr;gap:22px;
  padding-bottom:28px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:27px;top:60px;bottom:6px;width:2px;
  background:var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-node{
  position:relative;z-index:2;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);
  border:2px solid var(--brand-500);
  color:var(--brand-600);
  font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;
  transition:box-shadow .18s ease,transform .18s ease;
}
.tl-item:hover .tl-node{box-shadow:var(--shadow-1);transform:translateY(-2px);}
.tl-item.is-done .tl-node{background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.tl-item.is-current .tl-node{border-color:var(--highlight-400);color:var(--ink-900);box-shadow:0 0 0 4px rgba(201,226,101,.22);}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.tl-body:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--brand-500);}
.tl-body h3{font-size:20px;font-weight:600;}
.tl-body p{margin-top:10px;color:var(--text-600);font-size:16px;line-height:1.8;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:600;letter-spacing:.2px;
  transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--brand-600);color:#fff;}

/* ============ 卡片与网格 ============ */
.pair-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--brand-500);}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-100);}
.card__media img{width:100%;height:100%;object-fit:cover;}
.card__media::after{
  content:"";position:absolute;inset:0;background:rgba(12,46,42,.06);
}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__body h3{font-size:18px;font-weight:600;}
.card__body p{color:var(--text-600);font-size:15px;line-height:1.8;margin:0;}
.card__meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-400);
}
.card__meta .num{font-variant-numeric:tabular-nums;}
.badge-corner{
  position:absolute;left:14px;top:14px;z-index:3;
  padding:4px 12px;border-radius:999px;
  background:var(--highlight-400);color:var(--ink-900);
  font-size:12px;font-weight:700;letter-spacing:.2px;
}

/* ============ 深色进度区 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.progress-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:28px;
}
.progress-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;}
.pg-cell{
  height:58px;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  font-size:11px;color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;
}
.pg-cell span{font-size:14px;font-weight:700;color:rgba(255,255,255,.9);}
.pg-cell.is-done{background:var(--accent-500);border-color:var(--accent-500);color:rgba(255,255,255,.9);}
.pg-cell.is-done span{color:#fff;}
.pg-cell.is-now{background:rgba(201,226,101,.12);border-color:var(--highlight-400);color:var(--highlight-400);}
.pg-cell.is-now span{color:var(--highlight-400);}
.bar{margin-top:26px;height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;}
.bar__fill{height:100%;border-radius:999px;background:var(--accent-500);width:86%;}
.progress-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:14px;color:rgba(255,255,255,.75);}
.progress-meta strong{color:#fff;font-variant-numeric:tabular-nums;font-size:18px;}

/* ============ 检查清单 ============ */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px;margin-top:8px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:18px 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.check-item:hover{border-color:var(--brand-500);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.check-item i{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:11px;margin-top:3px;
}
.check-item strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--text-600);line-height:1.75;margin:0;}

/* ============ FAQ ============ */
.accordion{margin:0;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-1);}
.accordion-item{border-bottom:1px solid var(--line);}
.accordion-item:last-child{border-bottom:none;}
.accordion-title{margin:0;}
.accordion-title button{
  width:100%;min-height:56px;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--text-900);
  transition:background .18s ease,color .18s ease;
}
.accordion-title button:hover{background:var(--brand-100);color:var(--brand-600);}
.accordion-title button:focus-visible{outline:3px solid rgba(242,129,74,.35);outline-offset:-3px;}
.accordion-title .icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
}
.accordion-title .icon::before,
.accordion-title .icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.accordion-title .icon::before{left:2px;right:2px;top:10px;height:2px;}
.accordion-title .icon::after{top:2px;bottom:2px;left:10px;width:2px;}
.accordion-item.is-open .accordion-title .icon::after{transform:scaleY(0);opacity:0;}
.accordion-item.is-open .accordion-title button{color:var(--brand-600);}
.accordion-panel{display:none;padding:0 24px 20px;background:var(--bg);}
.accordion-item.is-open .accordion-panel{display:block;}
.accordion-panel p{font-size:15px;line-height:1.85;color:var(--text-600);padding-top:16px;}

/* ============ CTA 条 ============ */
.cta-band{
  border-radius:var(--radius-lg);
  padding:48px 40px;
  background:linear-gradient(120deg,var(--brand-600),var(--ink-700));
  color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:28px;color:#fff;}
.cta-band p{margin-top:10px;font-size:16px;color:rgba(255,255,255,.82);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.9);padding:64px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--highlight-400);
  font-variant-numeric:tabular-nums;
}
.footer-brand__name{font-size:16px;font-weight:700;color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--highlight-400);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--highlight-400);}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .side-nav{display:none;}
  .content{margin-left:0;}
  .mobile-bar{display:flex;}
  .page-hero{margin-top:16px;}
  .page-hero h1{font-size:32px;}
  .section{padding:56px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .page-hero{padding:40px 24px 38px;border-radius:16px;}
  .page-hero h1{font-size:27px;}
  .hero-sub{font-size:16px;}
  .section-title{font-size:22px;}
  .section-lead{font-size:16px;}
  .pair-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .progress-grid{grid-template-columns:repeat(4,1fr);}
  .cta-band{padding:34px 24px;}
  .cta-band h2{font-size:22px;}
  .tl-item{grid-template-columns:44px 1fr;gap:16px;}
  .tl-node{width:44px;height:44px;font-size:14px;}
  .tl-item::before{left:21px;top:48px;}
  .tl-body{padding:18px 18px;}
  .tl-body h3{font-size:18px;}
}
@media screen and (max-width:520px){
  .wrap{padding:0 16px;}
  .hero-pills{gap:8px;}
  .pill{font-size:12px;padding:7px 12px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .progress-grid{grid-template-columns:repeat(3,1fr);}
  .accordion-title button{padding:14px 18px;font-size:15px;}
  .accordion-panel{padding:0 18px 18px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#0C2E2A;
  --ink-700:#123F39;
  --brand-600:#0F5C4E;
  --brand-500:#157A66;
  --brand-100:#E3F0EC;
  --accent-500:#F2814A;
  --accent-600:#DE6B32;
  --highlight-400:#C9E265;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E6E1D7;
  --text-900:#18211F;
  --text-600:#5A6864;
  --text-400:#8C9691;
  --disabled-bg:#C7CCC9;
  --disabled-text:#8C9691;
  --shadow-1:0 1px 2px rgba(12,46,42,.05),0 6px 18px rgba(12,46,42,.06);
  --shadow-2:0 10px 28px rgba(12,46,42,.12);
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --sidebar-w:248px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text-900);}
h1{font-size:42px;line-height:1.3;}
h2{font-size:28px;}
h3{font-size:20px;font-weight:600;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-600);}
button{font-family:inherit;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(242,129,74,.35);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 布局骨架 ---------- */
.layout{min-height:100vh;}
.content{margin-left:0;padding:0 clamp(16px,4vw,56px);}
.wrap{max-width:1200px;margin:0 auto;}
.section{padding:56px 0;}
.section--tight{padding-top:32px;}
.section--dark{background:var(--ink-900);color:rgba(255,255,255,.9);padding:80px 0;}
.section--plain{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 侧栏导航 ---------- */
.sidebar{
  display:none;
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  flex-direction:column;
  gap:18px;
  padding:22px 16px 20px;
  overflow-y:auto;
  z-index:60;
}
.sidebar__brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 8px 16px;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  background:var(--surface);
  z-index:2;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;height:42px;
  border-radius:12px;
  background:var(--brand-600);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.5px;
  font-variant-numeric:tabular-nums;
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15px;color:var(--ink-900);font-weight:700;}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-400);}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  border-left:3px solid transparent;
  color:var(--text-600);
  font-size:15px;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-item i{width:16px;text-align:center;font-size:14px;opacity:.85;}
.nav-item:hover{background:var(--brand-100);color:var(--brand-600);}
.nav-item.is-active{
  background:var(--brand-100);
  color:var(--brand-600);
  border-left-color:var(--accent-500);
  font-weight:600;
}
.sidebar__cta{width:100%;justify-content:center;margin-top:4px;}
.sidebar__meta{font-size:12px;color:var(--text-400);line-height:1.7;border-top:1px solid var(--line);padding-top:14px;margin-top:auto;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:56px;
  padding:0 16px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:70;
}
.topbar__brand{
  display:flex;align-items:center;gap:10px;
  color:var(--ink-900);font-size:15px;font-weight:700;
}
.topbar__brand .brand-mark{min-width:34px;height:34px;font-size:12px;border-radius:10px;}
.topbar__btn{
  width:44px;height:44px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:10px;
  color:var(--brand-600);
  font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
}
.topbar__btn:hover{background:var(--brand-100);}
.drawer{
  position:fixed;
  inset:0;
  background:var(--ink-900);
  z-index:90;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:16px;
  animation:drawerIn .2s ease;
  overflow-y:auto;
}
.drawer[hidden]{display:none;}
@keyframes drawerIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.drawer__head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.14);}
.drawer__title{color:#fff;font-size:16px;font-weight:700;flex:1;}
.drawer .brand-mark{background:var(--accent-500);}
.drawer__close{
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.3);
  background:transparent;color:#fff;font-size:16px;
}
.drawer__close:hover{background:rgba(255,255,255,.1);}
.nav-list--drawer .nav-item{color:rgba(255,255,255,.82);height:48px;}
.nav-list--drawer .nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-list--drawer .nav-item.is-active{background:rgba(242,129,74,.16);color:#fff;border-left-color:var(--accent-500);}
.drawer__cta{justify-content:center;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--accent-500);color:#fff;border-color:var(--accent-500);}
.btn--primary:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:transparent;color:var(--brand-600);border-color:var(--brand-600);}
.btn--ghost:hover{background:var(--brand-100);color:var(--brand-600);}
.btn--onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.34);}
.btn--onDark:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn--sm{min-height:36px;padding:0 16px;font-size:14px;border-radius:8px;}
.btn[disabled],.btn.is-disabled{background:var(--disabled-bg);color:var(--disabled-text);border-color:var(--disabled-bg);pointer-events:none;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:var(--ink-900) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
  padding:52px 0 44px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(12,46,42,.72),rgba(12,46,42,.88));
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.9;
}
.page-hero .wrap{position:relative;z-index:2;}
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.7);
  margin-bottom:18px;
}
.breadcrumbs a{color:rgba(255,255,255,.86);}
.breadcrumbs a:hover{color:var(--highlight-400);}
.breadcrumbs .sep{opacity:.6;}
.breadcrumbs .current{color:rgba(255,255,255,.6);}
.page-hero h1{color:#fff;max-width:18em;}
.page-hero__lead{
  margin-top:16px;
  max-width:60ch;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  font-size:13px;
  font-weight:500;
}
.chip i{color:var(--highlight-400);font-size:12px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ---------- 区块标题 ---------- */
.section-head{margin-bottom:32px;max-width:70ch;}
.section-head h2{
  display:flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:4px;height:22px;
  border-radius:2px;
  background:var(--brand-600);
  flex:none;
}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head h2::before{background:var(--accent-500);}
.section-head p{margin-top:12px;color:var(--text-600);font-size:16px;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap;}
.link-more{font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap;}
.link-more:hover{color:var(--accent-600);}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.line-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.line-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.line-card__media{position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden;}
.line-card__media img{width:100%;height:100%;object-fit:cover;}
.line-card__media::after{content:"";position:absolute;inset:0;background:rgba(12,46,42,.06);}
.flag{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  padding:4px 11px;
  border-radius:999px;
  background:var(--highlight-400);
  color:var(--ink-900);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
}
.line-card__body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.line-card__body h3{font-size:18px;line-height:1.45;}
.line-card__body p{font-size:15px;line-height:1.75;color:var(--text-600);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-400);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.meta-row .status{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-500);}
.meta-row .status i{font-size:8px;}
.meta-row .status.is-warn{color:var(--accent-600);}
.card-link{font-size:13px;font-weight:600;color:var(--brand-600);}
.card-link:hover{color:var(--accent-600);}

/* ---------- 表格 ---------- */
.table-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;}
.spec-table th{
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:14px;
  font-weight:600;
  text-align:left;
  padding:15px 18px;
  white-space:nowrap;
}
.spec-table td{
  padding:15px 18px;
  border-top:1px solid var(--line);
  font-size:15px;
  color:var(--text-600);
  white-space:nowrap;
}
.spec-table tbody tr:hover{background:#FCFBF8;}
.spec-table td strong{color:var(--text-900);font-weight:600;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:var(--brand-100);color:var(--brand-600);
}
.pill.is-accent{background:rgba(242,129,74,.14);color:var(--accent-600);}
.pill.is-muted{background:#EFEDE7;color:var(--text-400);}

/* ---------- 巡检进度 ---------- */
.monitor{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:center;}
.monitor__txt h2{color:#fff;display:flex;align-items:center;gap:12px;}
.monitor__txt h2::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--accent-500);flex:none;}
.monitor__txt p{margin-top:16px;color:rgba(255,255,255,.74);font-size:16px;}
.monitor__panel{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:26px;
}
.ticks{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:8px;}
.tick{
  height:40px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
  color:rgba(255,255,255,.55);
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.tick.is-done{background:var(--accent-500);border-color:var(--accent-500);color:#fff;font-weight:600;}
.tick.is-run{border-color:var(--highlight-400);color:var(--highlight-400);font-weight:600;}
.progress-line{margin-top:24px;}
.progress-line .label{display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:10px;}
.progress-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;}
.progress-bar span{display:block;height:100%;width:83%;border-radius:999px;background:var(--accent-500);}
.monitor__stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px;}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:14px 16px;}
.stat b{display:block;font-size:22px;color:#fff;font-weight:700;font-variant-numeric:tabular-nums;}
.stat span{font-size:12px;color:rgba(255,255,255,.6);}

/* ---------- FAQ / 手风琴 ---------- */
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  background:var(--surface);
  margin-bottom:12px;
}
.accordion .accordion-item:last-child{margin-bottom:0;}
.accordion .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:14px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text-900);
  background:var(--surface);
  border:0;
  transition:background .18s ease,color .18s ease;
}
.accordion .accordion-title:hover{background:var(--brand-100);color:var(--brand-600);}
.accordion .accordion-title::after{
  content:"+";
  font-size:20px;
  font-weight:600;
  color:var(--brand-500);
  line-height:1;
}
.accordion .accordion-item.is-active .accordion-title::after{content:"−";color:var(--accent-500);}
.accordion .accordion-content{
  padding:18px 20px 20px;
  border:0;
  background:var(--bg);
  font-size:15px;
  line-height:1.85;
  color:var(--text-600);
}
.accordion .accordion-content p{margin-bottom:.9em;}

/* ---------- 提示块 ---------- */
.callout-note{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--brand-100);
  border:1px solid #CFE4DD;
  border-radius:var(--radius-card);
  padding:20px 22px;
  margin-top:28px;
}
.callout-note i{color:var(--brand-600);font-size:18px;margin-top:3px;}
.callout-note p{margin:0;font-size:15px;color:var(--text-600);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--brand-600),var(--ink-700));
  border-radius:var(--radius-lg);
  padding:46px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  color:#fff;
}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.8);font-size:16px;max-width:52ch;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.82);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;border-radius:12px;
  background:var(--accent-500);color:#fff;font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.footer-brand__name{font-size:17px;font-weight:700;color:#fff;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:34ch;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--highlight-400);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--highlight-400);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .monitor{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .section{padding:48px 0;}
  .section--dark{padding:56px 0;}
}
@media screen and (min-width:1024px){
  .topbar{display:none;}
  .drawer{display:none;}
  .sidebar{display:flex;}
  .content{margin-left:var(--sidebar-w);}
  .page-hero{padding:64px 0 56px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .grid-3,.grid-2{grid-template-columns:minmax(0,1fr);}
  .section{padding:48px 0;}
  .section--dark{padding:48px 0;}
  .page-hero{padding:40px 0 36px;}
  .hero-actions .btn{width:100%;}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .ticks{grid-template-columns:repeat(6,minmax(0,1fr));}
  .monitor__stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .stat b{font-size:18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .line-card__body{padding:18px;}
}
@media screen and (max-width:519px){
  .content{padding:0 16px;}
  .chip{font-size:12px;padding:6px 12px;}
  .monitor__panel{padding:18px;}
  .ticks{grid-template-columns:repeat(4,minmax(0,1fr));}
}

/* roulang page: category4 */
:root{
  --ink-900:#0C2E2A;
  --ink-700:#123F39;
  --brand-600:#0F5C4E;
  --brand-500:#157A66;
  --brand-100:#E3F0EC;
  --accent-500:#F2814A;
  --accent-600:#DE6B32;
  --highlight-400:#C9E265;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E6E1D7;
  --text-900:#18211F;
  --text-600:#5A6864;
  --text-400:#8C9691;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(12,46,42,.05),0 6px 18px rgba(12,46,42,.06);
  --shadow-2:0 10px 28px rgba(12,46,42,.12);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:0}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-500)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text-900)}
h1{font-size:42px;line-height:1.3}
h2{font-size:28px}
h3{font-size:20px;font-weight:600;line-height:1.45}
h4{font-size:18px;font-weight:600;line-height:1.45}
p{margin:0 0 1.25em}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(242,129,74,.45);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ===== 布局 ===== */
.layout{min-height:100vh}
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:80px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--ink-900);color:rgba(255,255,255,.9)}
.section--dark h2,.section--dark h3{color:#fff}
.section-title{position:relative;padding-left:16px;font-size:28px}
.section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:999px;background:var(--accent-500)}
.section-head{margin-bottom:40px}
.section-sub{color:var(--text-600);margin:12px 0 0;max-width:780px}
.section--dark .section-sub{color:rgba(255,255,255,.72)}

/* ===== 侧栏导航 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:24px 18px 20px;z-index:60;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line);color:var(--text-900)}
.brand:hover{color:var(--text-900)}
.brand__mark{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-500));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.5px;font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__text strong{font-size:15px;font-weight:700;line-height:1.3;letter-spacing:.2px}
.brand__text small{font-size:11px;color:var(--text-400);letter-spacing:1px;margin-top:3px}
.nav-list{display:flex;flex-direction:column;gap:2px;margin:20px 0 0}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-600);font-size:15px;line-height:1;
  transition:background-color .2s ease,color .2s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:999px;background:transparent;transition:background-color .2s ease;
}
.nav-item i{width:16px;text-align:center;font-size:14px;color:var(--text-400);transition:color .2s ease}
.nav-item:hover{background:var(--brand-100);color:var(--brand-600)}
.nav-item:hover i{color:var(--brand-600)}
.nav-item.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600}
.nav-item.is-active i{color:var(--brand-600)}
.nav-item.is-active::before{background:var(--accent-500)}
.sidebar__cta{margin-top:22px}
.sidebar__foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--text-400);line-height:1.7}
.sidebar__foot p{margin:0}

/* ===== 移动端顶栏与抽屉 ===== */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:56px;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.topbar__brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--text-900)}
.topbar__brand .brand__mark{width:32px;height:32px;border-radius:9px;font-size:12px}
.menu-toggle{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--brand-600);font-size:18px;border:1px solid var(--line);
  transition:background-color .2s ease;
}
.menu-toggle:hover{background:var(--brand-100)}
.drawer{
  position:fixed;top:0;left:0;right:0;bottom:0;z-index:90;
  background:var(--ink-900);color:rgba(255,255,255,.92);
  padding:22px 22px 28px;overflow-y:auto;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__brand{font-size:16px;font-weight:700;color:#fff}
.drawer__close{width:40px;height:40px;border-radius:10px;color:#fff;font-size:18px;border:1px solid rgba(255,255,255,.3);background:none;display:flex;align-items:center;justify-content:center}
.drawer .nav-list{gap:6px;margin:0}
.drawer .nav-item{height:52px;font-size:16px;color:rgba(255,255,255,.82);background:rgba(255,255,255,.04)}
.drawer .nav-item i{color:rgba(255,255,255,.6)}
.drawer .nav-item:hover{background:rgba(255,255,255,.1);color:#fff}
.drawer .nav-item.is-active{background:rgba(242,129,74,.16);color:#fff}
.drawer .nav-item.is-active::before{background:var(--accent-500)}
.drawer__cta{margin-top:22px}
.drawer__foot{margin-top:auto;padding-top:20px;font-size:12px;color:rgba(255,255,255,.5)}
.drawer-mask{position:fixed;inset:0;background:rgba(12,46,42,.5);z-index:80;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn--secondary{background:transparent;border-color:var(--brand-600);color:var(--brand-600)}
.btn--secondary:hover{background:var(--brand-100);color:var(--brand-600)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.32);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn--sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px}
.btn--block{width:100%}

/* ===== 徽章与标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.3px;
}
.badge--tag{background:var(--brand-100);color:var(--brand-600)}
.badge--accent{background:var(--highlight-400);color:var(--ink-900)}
.badge--ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:var(--brand-100);color:var(--brand-600);font-size:13px;transition:background-color .2s ease,color .2s ease}
.tag:hover{background:var(--brand-600);color:#fff}

/* ===== 首屏 ===== */
.page-hero{
  position:relative;min-height:320px;display:flex;align-items:center;
  background-image:linear-gradient(rgba(12,46,42,.72),rgba(12,46,42,.62)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:999px;background:rgba(201,226,101,.18);border:1px solid rgba(201,226,101,.42);
  color:var(--highlight-400);font-size:13px;font-weight:600;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:820px}
.page-hero p.lead{color:rgba(255,255,255,.82);max-width:760px;margin:18px 0 0;font-size:17px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.search-box{
  display:flex;gap:10px;max-width:600px;margin-top:28px;
  background:rgba(255,255,255,.96);padding:10px;border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
}
.search-box input{
  flex:1;min-width:0;height:46px;padding:0 16px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#fff;color:var(--text-900);font-size:15px;
}
.search-box input::placeholder{color:var(--text-400)}
.search-box input:focus{border-color:var(--brand-600);outline:none;box-shadow:0 0 0 3px rgba(15,92,78,.14)}
.search-hint{margin:12px 0 0;font-size:13px;color:rgba(255,255,255,.62)}

/* ===== 面包屑 ===== */
.breadcrumb-bar{padding:18px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-400)}
.crumbs a{color:var(--text-600)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs span.sep{color:var(--text-400)}
.crumbs .current{color:var(--text-400);font-weight:400}

/* ===== 网格与卡片 ===== */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500)}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
.card__media img{width:100%;height:100%;object-fit:cover}
.card__media::after{content:"";position:absolute;inset:0;background:rgba(12,46,42,.06);pointer-events:none}
.card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__body h3{font-size:18px;line-height:1.45}
.card__body p{margin:0;color:var(--text-600);font-size:15px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-400);margin-top:auto}
.card__meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* ===== 问答分组 ===== */
.faq-group{margin-bottom:44px}
.faq-group:last-child{margin-bottom:0}
.faq-group__head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.faq-group__index{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--brand-100);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brand-500)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 24px;font-size:17px;font-weight:600;cursor:pointer;
  list-style:none;transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--brand-600);transition:color .2s ease,transform .2s ease}
.faq-item[open] summary{background:var(--brand-100);color:var(--brand-600)}
.faq-item[open] summary::after{content:"−";color:var(--accent-500)}
.faq-body{padding:18px 24px 22px;font-size:15px;line-height:1.85;color:var(--text-600);background:var(--bg);border-top:1px solid var(--line)}
.faq-body p:last-child{margin-bottom:0}

/* ===== 提示条 / 求助区块 ===== */
.help-band{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow-1);
}
.help-band h3{margin-bottom:8px}
.help-band p{margin:0;color:var(--text-600);font-size:15px}
.help-band__actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.step{position:relative;padding-top:22px}
.step::before{content:"";position:absolute;top:19px;left:44px;right:-20px;height:1px;border-top:1px dashed var(--line)}
.step:last-child::before{display:none}
.step__num{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1.5px solid var(--line);color:var(--brand-600);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;position:relative;z-index:2;
}
.step.is-done .step__num{background:var(--accent-500);border-color:var(--accent-500);color:#fff}
.step h4{margin:14px 0 6px;font-size:17px}
.step p{margin:0;color:var(--text-600);font-size:14px;line-height:1.7}

/* ===== 数据条 ===== */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;margin-top:-32px;position:relative;z-index:5;box-shadow:var(--shadow-1);
}
.stat{padding:22px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__num{font-size:26px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.stat__label{font-size:13px;color:var(--text-400);margin-top:4px}

/* ===== 列表 ===== */
.list-plain{display:flex;flex-direction:column}
.list-plain li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-600);line-height:1.75;
}
.list-plain li:last-child{border-bottom:0}
.list-plain li i{color:var(--brand-500);margin-top:5px;font-size:13px}

/* ===== CTA 条 ===== */
.cta-band{
  background:linear-gradient(120deg,var(--brand-600),var(--brand-500));
  border-radius:var(--radius-lg);padding:48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(242,129,74,.22);filter:blur(6px);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{margin:10px 0 0;color:rgba(255,255,255,.82);font-size:16px;max-width:640px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;position:relative;z-index:2}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.9);padding:64px 0 28px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand__mark{
  width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--accent-500),var(--accent-600));
  color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.footer-brand__name{font-size:16px;font-weight:700;color:#fff}
.site-footer p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8;margin:0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--highlight-400)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--highlight-400)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .wrap{padding:0 26px}
  .grid--4{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .main{margin-left:0}
  .topbar{display:flex}
  .section{padding:56px 0}
  .page-hero .wrap{padding-top:48px;padding-bottom:48px}
  h1{font-size:32px}
  h2,.section-title,.cta-band h2{font-size:24px}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2n)::before{display:none}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-24px}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .help-band{flex-direction:column;align-items:flex-start;padding:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:639px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  h1{font-size:27px}
  h2,.section-title,.cta-band h2{font-size:22px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step::before{display:none}
  .stat-strip{grid-template-columns:1fr;margin-top:-16px}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .card__body{padding:18px 16px}
  .search-box{flex-direction:column;padding:12px}
  .search-box .btn{width:100%}
  .cta-band{padding:28px 20px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 auto}
  .help-band{padding:22px 18px}
  .faq-item summary{padding:14px 16px;font-size:16px}
  .faq-body{padding:16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category5 */
:root{
  --ink-900:#0C2E2A;
  --ink-700:#123F39;
  --brand-600:#0F5C4E;
  --brand-500:#157A66;
  --brand-100:#E3F0EC;
  --accent-500:#F2814A;
  --accent-600:#DE6B32;
  --highlight-400:#C9E265;
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --line:#E6E1D7;
  --text-900:#18211F;
  --text-600:#5A6864;
  --text-400:#8C9691;
  --disabled-bg:#C7CCC9;
  --disabled-text:#8C9691;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(12,46,42,.05),0 6px 18px rgba(12,46,42,.06);
  --shadow-2:0 10px 28px rgba(12,46,42,.12);
  --rail-w:248px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

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

body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}

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

a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-500);}

h1,h2,h3,h4{margin:0;font-family:var(--font);color:var(--text-900);}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}

button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}

:focus-visible{outline:3px solid rgba(242,129,74,.4);outline-offset:2px;}

.button,.button:focus{outline:none;}
.accordion{border:none;background:transparent;margin:0;}
.accordion-content{border:none;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 应用骨架 ---------- */
.app-shell{display:flex;align-items:flex-start;min-height:100vh;}

.side-rail{
  position:sticky;
  top:0;
  flex:0 0 var(--rail-w);
  width:var(--rail-w);
  height:100vh;
  overflow-y:auto;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:22px;
}

.main-area{flex:1 1 auto;min-width:0;}

/* ---------- 品牌 ---------- */
.rail-brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 10px 18px;
  border-bottom:1px solid var(--line);
}
.brand-mark{
  flex:0 0 42px;
  width:42px;height:42px;
  border-radius:999px;
  background:radial-gradient(circle at 30% 25%,var(--brand-500),var(--ink-900) 78%);
  color:var(--highlight-400);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.5px;
  border:2px solid var(--brand-100);
}
.brand-text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.brand-text strong{font-size:15px;font-weight:700;color:var(--ink-900);letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--text-400);}

/* ---------- 竖向导航 ---------- */
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 14px;
  border-left:3px solid transparent;
  border-radius:0 8px 8px 0;
  color:var(--text-600);
  font-size:15px;
  font-weight:500;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-item i{font-size:14px;width:18px;text-align:center;color:var(--text-400);transition:color .18s ease;}
.nav-item:hover{background:var(--brand-100);color:var(--brand-600);}
.nav-item:hover i{color:var(--brand-600);}
.nav-item.is-active{
  border-left-color:var(--accent-500);
  background:var(--brand-100);
  color:var(--brand-600);
  font-weight:600;
}
.nav-item.is-active i{color:var(--accent-500);}

.rail-cta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:center;
  height:46px;
  border-radius:var(--radius-btn);
  background:var(--accent-500);
  color:#fff;
  font-weight:600;
  font-size:15px;
  box-shadow:var(--shadow-1);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.rail-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rail-cta:active{transform:translateY(0);box-shadow:var(--shadow-1);}

.rail-foot{
  border-top:1px solid var(--line);
  padding-top:14px;
  font-size:12px;
  line-height:1.7;
  color:var(--text-400);
}
.rail-foot span{display:block;}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:40;
  height:56px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 16px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px;color:var(--ink-900);}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:10px;border-width:1px;}
.menu-toggle{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  color:var(--ink-900);
  font-size:17px;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--brand-100);color:var(--brand-600);border-color:var(--brand-500);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:60;
  background:var(--ink-900);
  padding:22px 20px 28px;
  display:flex;
  flex-direction:column;
  gap:18px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-head .topbar-brand{color:#fff;}
.drawer-head .brand-mark{background:radial-gradient(circle at 30% 25%,var(--brand-500),var(--ink-700) 78%);border-color:rgba(255,255,255,.2);}
.drawer-close{
  width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.16);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav .nav-item{
  color:rgba(255,255,255,.82);
  height:48px;
  border-left:3px solid transparent;
  border-radius:8px;
}
.drawer-nav .nav-item i{color:rgba(255,255,255,.5);}
.drawer-nav .nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer-nav .nav-item:hover i{color:var(--highlight-400);}
.drawer-nav .nav-item.is-active{
  background:rgba(201,226,101,.14);
  border-left-color:var(--accent-500);
  color:#fff;
  font-weight:600;
}
.drawer-nav .nav-item.is-active i{color:var(--highlight-400);}
.drawer-cta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:center;
  height:48px;border-radius:var(--radius-btn);
  background:var(--accent-500);color:#fff;font-weight:600;
}
.drawer-cta:hover{background:var(--accent-600);color:#fff;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-secondary{background:transparent;border-color:var(--brand-600);color:var(--brand-600);}
.btn-secondary:hover{background:var(--brand-100);color:var(--brand-600);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px;border-radius:8px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  margin:32px 0 0;
  padding:56px 44px;
  min-height:320px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(12,46,42,.82) 0%,rgba(12,46,42,.66) 58%,rgba(18,63,57,.74) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-2);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.35;
  pointer-events:none;
}
.page-hero::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-120px;top:-140px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,129,74,.32),rgba(242,129,74,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:var(--highlight-400);}
.crumbs .sep{color:rgba(255,255,255,.42);}
.crumbs .current{color:rgba(255,255,255,.6);}

.page-hero h1{
  font-size:42px;
  line-height:1.3;
  font-weight:700;
  color:#fff;
  letter-spacing:.5px;
}
.hero-sub{
  margin-top:16px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:720px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  font-size:13px;
}
.tag-pill i{color:var(--highlight-400);font-size:12px;}

.search-form{
  margin-top:26px;
  display:flex;
  gap:12px;
  max-width:640px;
  flex-wrap:wrap;
}
.search-form .field{flex:1 1 320px;min-width:0;}
.search-form label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:8px;}
.search-form input{
  width:100%;
  height:46px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--text-900);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--text-400);}
.search-form input:focus{
  outline:none;
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(15,92,78,.18);
}
.search-form .btn{align-self:flex-end;}

/* ---------- 板块 ---------- */
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:820px;margin-bottom:36px;}
.section-head h2{
  position:relative;
  padding-left:18px;
  font-size:28px;
  line-height:1.35;
  font-weight:700;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:4px;height:22px;
  border-radius:4px;
  background:var(--brand-600);
}
.section-head .lead{
  margin-top:14px;
  font-size:16px;
  color:var(--text-600);
  max-width:760px;
}
.section--ink .section-head h2{color:#fff;}
.section--ink .section-head h2::before{background:var(--accent-500);}
.section--ink .section-head .lead{color:rgba(255,255,255,.78);}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  margin-top:-34px;
  position:relative;
  z-index:5;
}
.stat-item{
  padding:22px 24px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none;}
.stat-item .num{
  font-size:30px;
  font-weight:700;
  color:var(--brand-600);
  line-height:1.2;
  letter-spacing:.5px;
}
.stat-item .num small{font-size:15px;font-weight:600;margin-left:2px;color:var(--text-600);}
.stat-item .lab{margin-top:6px;font-size:14px;color:var(--text-600);}

/* ---------- 速览卡组 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2);}
.card-media{
  position:relative;
  border-radius:10px;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--brand-100);
}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-media::after{content:"";position:absolute;inset:0;background:rgba(12,46,42,.06);}
.card h3{font-size:18px;line-height:1.45;font-weight:600;}
.card p{font-size:15px;line-height:1.75;color:var(--text-600);}
.card .meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--text-400);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:12px;
  font-weight:600;
  width:fit-content;
}
.badge--accent{background:var(--accent-500);color:#fff;}
.badge--lime{background:var(--highlight-400);color:var(--ink-900);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:980px;}
.faq-group{margin-bottom:44px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group > h3{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:600;
  margin-bottom:16px;
}
.faq-group > h3 .idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:999px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:13px;
  font-weight:700;
}
.faq-group > h3 .cnt{margin-left:auto;font-size:13px;font-weight:400;color:var(--text-400);}

.accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion .accordion-item:hover{border-color:var(--brand-500);box-shadow:var(--shadow-2);}
.accordion .accordion-title{
  position:relative;
  display:flex;
  align-items:center;
  min-height:56px;
  padding:14px 60px 14px 24px;
  border:none;
  border-bottom:none;
  background:var(--surface);
  color:var(--text-900);
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  transition:background .18s ease,color .18s ease;
}
.accordion .accordion-title:hover{background:var(--brand-100);color:var(--brand-600);}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title::after{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--brand-600);
  transition:transform .2s ease,color .2s ease;
}
.accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);color:var(--accent-500);}
.accordion .accordion-item.is-active .accordion-title{border-bottom:1px solid var(--line);}
.accordion .accordion-content{
  padding:20px 24px 24px;
  background:var(--bg);
  border:none;
  font-size:15px;
  line-height:1.85;
  color:var(--text-600);
}
.accordion .accordion-content p{margin-bottom:.9em;}
.accordion .accordion-content ul{margin:.4em 0 .9em;padding-left:0;}
.accordion .accordion-content li{
  position:relative;
  padding-left:18px;
  margin-bottom:.45em;
}
.accordion .accordion-content li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-500);
}
.accordion .accordion-content strong{color:var(--text-900);font-weight:600;}

/* ---------- 步骤条 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:8px;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.step .ring{
  width:40px;height:40px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-500);
  color:#fff;
  font-weight:700;
  font-size:16px;
  margin-bottom:16px;
}
.step.is-done .ring{background:var(--brand-500);}
.step.is-doing .ring{
  background:transparent;
  border:2px solid var(--highlight-400);
  color:var(--brand-600);
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;color:var(--text-600);}

/* ---------- 仍未解决 ---------- */
.unresolved{
  background:var(--brand-100);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.unresolved h2{
  position:relative;
  padding-left:18px;
  font-size:24px;
  font-weight:700;
  line-height:1.4;
}
.unresolved h2::before{
  content:"";
  position:absolute;left:0;top:5px;
  width:4px;height:20px;border-radius:4px;
  background:var(--accent-500);
}
.unresolved p{margin-top:10px;font-size:15px;color:var(--text-600);max-width:640px;}
.unresolved .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 深色区块 ---------- */
.section--ink{background:var(--ink-900);color:#fff;}
.section--ink .card{background:var(--ink-700);border-color:rgba(255,255,255,.14);}
.section--ink .card h3{color:#fff;}
.section--ink .card p{color:rgba(255,255,255,.76);}
.section--ink .card .meta{color:rgba(255,255,255,.5);}
.section--ink .card:hover{border-color:var(--highlight-400);}

/* ---------- 进度条 ---------- */
.progress-block{max-width:520px;}
.progress-track{
  height:8px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  overflow:hidden;
  margin:18px 0 10px;
}
.progress-fill{
  height:100%;
  width:68%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--accent-500),var(--highlight-400));
}
.progress-note{font-size:13px;color:rgba(255,255,255,.66);}
.cal-grid{
  display:grid;
  grid-template-columns:repeat(7,minmax(0,1fr));
  gap:8px;
  margin-top:18px;
}
.cal-cell{
  height:44px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  color:rgba(255,255,255,.72);
}
.cal-cell.is-done{background:var(--accent-500);border-color:var(--accent-500);color:#fff;font-weight:600;}
.cal-cell.is-doing{border-color:var(--highlight-400);color:var(--highlight-400);}

/* ---------- 相关栏目 ---------- */
.link-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2);}
.link-card h3{font-size:17px;font-weight:600;color:var(--text-900);}
.link-card p{font-size:14px;line-height:1.75;color:var(--text-600);}
.link-card .go{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
}
.link-card:hover .go{color:var(--accent-500);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.9);
  margin-top:0;
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 30% 25%,var(--brand-500),var(--ink-700) 78%);
  border:2px solid rgba(255,255,255,.16);
  color:var(--highlight-400);
  font-size:12px;font-weight:700;letter-spacing:.5px;
}
.footer-brand__name{font-size:16px;font-weight:700;color:#fff;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease;}
.footer-col a:hover{color:var(--highlight-400);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--highlight-400);}

/* ---------- 响应式 ---------- */
@media (max-width:1220px){
  .wrap{padding:0 4vw;}
}

@media (max-width:1023px){
  .app-shell{display:block;}
  .side-rail{display:none;}
  .topbar{display:flex;}
  .page-hero{margin-top:24px;padding:40px 28px;min-height:auto;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px;}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item:nth-child(1),
  .stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:639px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .page-hero{border-radius:16px;padding:32px 20px;}
  .page-hero h1{font-size:27px;}
  .hero-sub{font-size:15px;}
  .hero-tags{gap:8px;}
  .tag-pill{font-size:12px;height:30px;padding:0 12px;}
  .search-form{flex-direction:column;align-items:stretch;}
  .search-form .btn{align-self:stretch;width:100%;}
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;padding-left:14px;}
  .section-head h2::before{height:18px;top:5px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:none;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .card{padding:16px 16px 20px;}
  .accordion .accordion-title{font-size:15px;padding:12px 52px 12px 16px;}
  .accordion .accordion-content{padding:16px 16px 20px;}
  .faq-group > h3{font-size:18px;}
  .unresolved{padding:24px 18px;}
  .unresolved h2{font-size:20px;}
  .unresolved .actions{width:100%;}
  .unresolved .actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cal-grid{gap:6px;}
  .cal-cell{height:38px;font-size:12px;}
}