/* roulang page: index */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#111214;
  --muted:#6E6E73;
  --border:#E4E1DA;
  --accent:#E84A1C;
  --support:#18B58C;
  --warn:#F5B301;
  --dark:#111214;
  --dark-2:#1A1B1E;
  --on-dark:#F7F5F1;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(17,18,20,.06);
  --shadow-lg:0 16px 40px rgba(17,18,20,.10);
  --container:1200px;
  --ease:cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:750;line-height:1.18;letter-spacing:-.015em;margin:0;color:var(--ink);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
section{scroll-margin-top:96px;}
.sec{padding:96px 0;}
.sec-tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;
  color:var(--accent);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}
h2.sec-title{font-size:clamp(1.6rem,3vw,2.5rem);margin-bottom:14px;}
.sec-sub{color:var(--muted);font-size:1.0625rem;max-width:720px;margin-bottom:0;}
.sec-head{margin-bottom:48px;}
.divider{height:1px;background:var(--border);border:0;margin:0;}

/* ============ 顶栏 ============ */
.topbar{background:var(--dark);color:var(--on-dark);font-size:.8125rem;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:42px;flex-wrap:wrap;}
.topbar .tb-left{display:flex;align-items:center;gap:10px;}
.tb-dot{width:7px;height:7px;border-radius:50%;background:var(--support);display:inline-block;box-shadow:0 0 0 3px rgba(24,181,140,.22);}
.topbar a{color:#A8A8AD;}
.topbar a:hover{color:#fff;}
.tb-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(232,74,28,.16);color:#FFB79C;
  border:1px solid rgba(232,74,28,.35);
  border-radius:999px;padding:2px 10px;font-weight:600;font-size:.75rem;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,241,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:.9375rem;letter-spacing:0;
  box-shadow:0 6px 16px rgba(232,74,28,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-weight:800;font-size:1.0625rem;letter-spacing:-.02em;}
.brand-sub{font-size:.6875rem;color:var(--muted);letter-spacing:.14em;font-weight:600;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:.9375rem;font-weight:600;color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{color:var(--ink);background:rgba(17,18,20,.06);}
.nav-links a.active{background:var(--ink);color:#fff;}
.nav-cta{margin-left:6px;}
.nav-toggle{
  margin-left:auto;width:46px;height:46px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);color:var(--ink);display:grid;place-items:center;font-size:1.0625rem;
}
.mobile-nav{border-top:1px solid var(--border);}
.mobile-nav-inner{padding:14px 0 22px;display:flex;flex-direction:column;gap:6px;}
.mobile-nav-inner a.m-link{
  padding:12px 16px;border-radius:12px;font-weight:600;color:var(--ink);
  border:1px solid transparent;
}
.mobile-nav-inner a.m-link:hover{background:var(--surface);border-color:var(--border);}
.mobile-nav-inner a.m-link.active{background:var(--ink);color:#fff;}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:999px;font-size:.9375rem;font-weight:650;
  cursor:pointer;transition:all .22s var(--ease);white-space:nowrap;
}
.btn-main{background:#0B0B0C;color:#fff;border:1px solid #0B0B0C;}
.btn-main:hover{background:var(--accent);border-color:var(--accent);color:#0B0B0C;transform:translateY(-2px);}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border:0;padding:0;height:auto;text-decoration:underline;text-underline-offset:5px;font-weight:650;}
.btn-ghost:hover{color:var(--accent);}
.btn-main .arw,.btn-line .arw{transition:transform .22s var(--ease);}
.btn-main:hover .arw,.btn-line:hover .arw{transform:translateX(4px);}
a:focus-visible,button:focus-visible,.btn-main:focus-visible,.btn-line:focus-visible{
  outline:none;box-shadow:0 0 0 4px rgba(232,74,28,.22);
}
.nav-cta.btn-main{height:42px;padding:0 20px;font-size:.875rem;}

/* ============ 标签与徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:4px 12px;font-size:.75rem;font-weight:650;line-height:1.6;
  background:rgba(17,18,20,.06);color:var(--ink);
}
.tag-orange{background:rgba(232,74,28,.12);color:#C13A12;}
.tag-green{background:rgba(24,181,140,.14);color:#0E7F62;}
.tag-yellow{background:rgba(245,179,1,.18);color:#8A6400;}
.tag-dark{background:var(--ink);color:#fff;}

/* ============ Hero ============ */
.hero{position:relative;padding:60px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-180px;right:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,74,28,.13),transparent 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;position:relative;}
.hero-title{
  font-size:clamp(2.3rem,4.6vw,3.6rem);font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-bottom:20px;
}
.hero-title em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:1.0625rem;color:var(--muted);max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;}
.hero-media{position:relative;border-radius:24px;overflow:hidden;min-height:440px;background:#111214;box-shadow:var(--shadow-lg);}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.66;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg,rgba(17,18,20,.78) 8%,rgba(17,18,20,.32) 92%);
}
.hero-panel{
  position:absolute;left:26px;right:26px;bottom:26px;z-index:2;
  background:rgba(17,18,20,.72);border:1px solid rgba(247,245,241,.16);
  border-radius:16px;padding:18px 20px;color:var(--on-dark);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.hero-panel .hp-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.hero-panel h3{font-size:1rem;color:#fff;font-weight:700;}
.hp-row{display:flex;align-items:center;justify-content:space-between;padding:7px 0;border-top:1px solid rgba(247,245,241,.14);font-size:.875rem;}
.hp-row span:first-child{color:#B9B9BE;}
.hp-row span:last-child{font-variant-numeric:tabular-nums;font-weight:650;color:#fff;}
.hero-figure-corner{
  position:absolute;top:22px;left:26px;z-index:2;display:flex;align-items:center;gap:8px;
  color:#fff;font-size:.8125rem;font-weight:650;letter-spacing:.04em;
}
.hero-figure-corner i{color:var(--accent);}

/* ============ Bento 功能 ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-item{
  grid-column:span 4;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  display:flex;flex-direction:column;
}
.bento-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.bento-item:hover::before{transform:scaleX(1);}
.bento-7{grid-column:span 7;}
.bento-5{grid-column:span 5;}
.bento-no{font-size:.8125rem;font-weight:800;color:var(--accent);letter-spacing:.12em;font-variant-numeric:tabular-nums;}
.bento-item h3{font-size:1.25rem;margin:14px 0 10px;}
.bento-item p{color:var(--muted);font-size:.9375rem;margin-bottom:18px;}
.bento-item .b-link{margin-top:auto;font-weight:650;font-size:.9375rem;color:var(--ink);display:inline-flex;align-items:center;gap:7px;}
.bento-item .b-link i{transition:transform .22s var(--ease);font-size:.8125rem;}
.bento-item:hover .b-link{color:var(--accent);}
.bento-item:hover .b-link i{transform:translateX(4px);}
.bento-media{
  margin:-28px -28px 20px;border-radius:0;overflow:hidden;aspect-ratio:16/8;
}
.bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.bento-item:hover .bento-media img{transform:scale(1.05);}
.bento-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(232,74,28,.10);color:var(--accent);font-size:1.0625rem;margin-bottom:16px;
}

/* ============ 场景时间线 ============ */
.scene-rail{position:relative;}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.scene-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.scene-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEAE4;}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.scene-card:hover .scene-thumb img{transform:scale(1.05);}
.scene-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.scene-no{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:1.5rem;color:var(--border);
  letter-spacing:-.02em;line-height:1;margin-bottom:10px;
}
.scene-body h3{font-size:1.0625rem;margin-bottom:9px;}
.scene-body p{font-size:.875rem;color:var(--muted);margin-bottom:16px;}
.scene-body .b-link{margin-top:auto;font-size:.875rem;font-weight:650;display:inline-flex;align-items:center;gap:7px;}
.scene-body .b-link i{font-size:.75rem;transition:transform .22s var(--ease);}
.scene-card:hover .b-link{color:var(--accent);}
.scene-card:hover .b-link i{transform:translateX(4px);}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.case-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:0;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.case-thumb{aspect-ratio:16/7;overflow:hidden;}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.case-card:hover .case-thumb img{transform:scale(1.04);}
.case-body{padding:26px 28px 30px;}
.case-body h3{font-size:1.1875rem;margin-bottom:10px;}
.case-body p{color:var(--muted);font-size:.9375rem;margin-bottom:18px;}
.metrics{display:flex;gap:26px;flex-wrap:wrap;padding-top:16px;border-top:1px dashed var(--border);}
.metric{display:flex;flex-direction:column;gap:2px;}
.metric b{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink);}
.metric span{font-size:.75rem;color:var(--muted);letter-spacing:.04em;}
.quote{
  margin-top:18px;padding-left:14px;border-left:3px solid var(--accent);
  font-size:.875rem;color:var(--muted);font-style:normal;
}

/* ============ 价格 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.plan{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.plan.featured{border:2px solid var(--accent);background:#FFFCFA;}
.plan.featured::before{
  content:"推荐";position:absolute;top:-13px;left:28px;
  background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;
  padding:3px 12px;border-radius:999px;letter-spacing:.04em;
}
.plan h3{font-size:1.125rem;margin-bottom:8px;}
.plan .p-note{font-size:.875rem;color:var(--muted);margin-bottom:20px;min-height:44px;}
.price{display:flex;align-items:baseline;gap:6px;margin-bottom:22px;}
.price b{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1;}
.price span{font-size:.875rem;color:var(--muted);}
.plan ul{display:flex;flex-direction:column;gap:11px;margin-bottom:26px;}
.plan li{display:flex;gap:10px;font-size:.9375rem;color:#3A3A3E;align-items:flex-start;}
.plan li i{color:var(--support);margin-top:5px;font-size:.8125rem;}
.plan li.off{color:#A6A6AB;}
.plan li.off i{color:#C9C6C0;}
.plan .btn-main,.plan .btn-line{width:100%;margin-top:auto;}

/* ============ 最新信息 ============ */
.info-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:28px;}
.info-feature{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.info-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.info-feature .thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEAE4;}
.info-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.info-feature:hover .thumb img{transform:scale(1.04);}
.info-feature .body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1;}
.info-feature h3{font-size:1.375rem;margin:12px 0 12px;}
.info-feature p{color:var(--muted);font-size:.9375rem;margin-bottom:18px;}
.meta{display:flex;align-items:center;gap:14px;font-size:.8125rem;color:var(--muted);flex-wrap:wrap;}
.meta i{color:var(--accent);font-size:.75rem;margin-right:5px;}
.info-side{display:flex;flex-direction:column;gap:14px;}
.info-row{
  display:flex;flex-direction:column;gap:8px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:20px 22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.info-row:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#D6D2C9;}
.info-row h3{font-size:1rem;line-height:1.5;}
.info-row p{font-size:.875rem;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.info-row:hover h3{color:var(--accent);}
.info-more{margin-top:24px;display:flex;justify-content:center;}
.empty-state{
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);
  padding:64px 24px;text-align:center;
}
.empty-state i{font-size:2rem;color:#C9C6C0;margin-bottom:16px;display:block;}
.empty-state h3{font-size:1.0625rem;margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:.9375rem;margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--border);
}
.accordion-button{
  background:transparent;box-shadow:none;padding:24px 44px 24px 0;
  font-size:1.0625rem;font-weight:650;color:var(--ink);line-height:1.55;
  position:relative;border-radius:0 !important;
}
.accordion-button:not(.collapsed){color:var(--accent);background:transparent;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button::after{
  display:none;
}
.faq-ico{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;border:1px solid var(--border);
  display:grid;place-items:center;font-size:.8125rem;color:var(--ink);
  transition:all .2s var(--ease);background:var(--surface);
}
.accordion-button:not(.collapsed) .faq-ico{background:var(--accent);border-color:var(--accent);color:#fff;}
.accordion-button:hover .faq-ico{border-color:var(--ink);}
.accordion-body{
  padding:0 60px 26px 0;color:var(--muted);font-size:.9375rem;line-height:1.9;
}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--dark);color:var(--on-dark);border-radius:24px;
  padding:64px 56px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,74,28,.35),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:12px;max-width:640px;}
.cta-band p{color:#B9B9BE;font-size:.9375rem;margin:0;max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-line{border-color:rgba(247,245,241,.5);color:#fff;}
.cta-band .btn-line:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--on-dark);padding:76px 0 0;margin-top:96px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:#8A8A90;}
.site-footer p.foot-desc{color:#A8A8AD;font-size:.875rem;margin-top:18px;max-width:320px;}
.foot-col h4{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{color:#A8A8AD;font-size:.875rem;}
.foot-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;}
.foot-bar{
  border-top:1px solid rgba(247,245,241,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:#8A8A90;
}
.foot-bar a{color:#8A8A90;}
.foot-bar a:hover{color:#fff;}

/* ============ 动效 ============ */
.fade-up{animation:fadeUp .6s var(--ease) both;}
.fade-up.d1{animation-delay:.08s;}
.fade-up.d2{animation-delay:.16s;}
.fade-up.d3{animation-delay:.24s;}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--support);display:inline-block;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.4;}}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .wrap{max-width:1040px;}
  .hero-grid{gap:40px;}
}
@media (max-width:991.98px){
  .sec{padding:72px 0;}
  .hero{padding:44px 0 68px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{min-height:360px;}
  .bento-item,.bento-7,.bento-5{grid-column:span 6;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .info-layout{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:48px 36px;}
}
@media (max-width:767.98px){
  .sec{padding:60px 0;}
  .wrap{padding:0 18px;}
  .topbar .wrap{min-height:auto;padding-top:8px;padding-bottom:8px;}
  .hero-title{font-size:clamp(2rem,8vw,2.6rem);}
  .hero-media{min-height:300px;border-radius:20px;}
  .hero-panel{left:16px;right:16px;bottom:16px;padding:15px 16px;}
  .btn-main,.btn-line{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .bento-item,.bento-7,.bento-5{grid-column:span 12;}
  .case-grid{grid-template-columns:1fr;}
  .plans{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 24px;border-radius:20px;}
  .cta-actions{width:100%;flex-direction:column;}
  .foot-grid{grid-template-columns:1fr;}
  .accordion-button{padding:20px 40px 20px 0;font-size:1rem;}
  .accordion-body{padding:0 0 22px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#111214;
  --ink-soft:#1C1D20;
  --muted:#6E6E73;
  --border:#E4E1DA;
  --accent:#E84A1C;
  --accent-soft:rgba(232,74,28,.12);
  --support:#18B58C;
  --warn:#F5B301;
  --dark:#111214;
  --dark-2:#1A1B1E;
  --on-dark:#F7F5F1;
  --on-dark-muted:#A8A8AD;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 10px 30px rgba(17,18,20,.06);
  --shadow-2:0 16px 40px rgba(17,18,20,.10);
  --section-y:104px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out;}
a:hover{color:var(--accent);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:750;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ============ 顶部公告条 ============ */
.topbar{
  background:var(--dark);
  color:var(--on-dark);
  font-size:.8125rem;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:40px;
}
.topbar-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--on-dark);
  letter-spacing:.02em;
}
.topbar-status .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--support);
  box-shadow:0 0 0 4px rgba(24,181,140,.18);
}
.topbar-note{color:var(--on-dark-muted);}
.topbar-count{
  display:inline-flex;align-items:center;gap:6px;
  padding:2px 12px;border-radius:var(--radius-pill);
  background:rgba(232,74,28,.16);
  color:#FFB59A;
  font-weight:600;
}
.topbar-count b{color:#fff;font-weight:700;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(17,18,20,.08);}
.navbar-shell{background:transparent;}
.nav-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  display:grid;place-items:center;
  border-radius:13px;
  background:var(--ink);
  color:#fff;
  font-weight:800;
  font-size:1.15rem;
  letter-spacing:.02em;
  box-shadow:0 6px 18px rgba(17,18,20,.16);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:1.0625rem;font-weight:750;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{
  font-size:.6875rem;
  letter-spacing:.22em;
  color:var(--muted);
  font-weight:600;
  margin-top:3px;
}
.nav-links{
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:10px 14px;
  border-radius:var(--radius-pill);
  font-size:.9375rem;
  font-weight:600;
  color:var(--ink);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
  border-radius:2px;
}
.nav-links a:hover{color:var(--accent);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{background:var(--ink);color:#fff;}
.nav-links a.active::after{display:none;}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  background:#0B0B0C;
  color:#fff;
  font-weight:650;
  font-size:.9375rem;
  cursor:pointer;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary .arrow{transition:transform .2s ease-out;display:inline-block;}
.btn-primary:hover{
  background:var(--accent);
  color:#0B0B0C;
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(232,74,28,.28);
}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  border:1px solid var(--ink);
  background:transparent;
  color:var(--ink);
  font-weight:650;
  font-size:.9375rem;
  cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.9375rem;
  font-weight:650;
  color:var(--ink);
  border-bottom:2px solid var(--accent);
  padding-bottom:2px;
}
.btn-ghost:hover{color:var(--accent);}
.btn-primary.btn-block,.btn-outline.btn-block{width:100%;}
.nav-toggle{
  width:46px;height:46px;
  border:1px solid var(--border);
  border-radius:13px;
  background:var(--surface);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out;}
.nav-toggle:hover span:nth-child(2){transform:scaleX(.7);}
.progress-track{
  height:3px;
  background:rgba(17,18,20,.07);
  overflow:hidden;
}
.progress-bar-read{
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--accent),#FF7A4D);
  transition:width .12s linear;
}
.nav-drawer{
  background:var(--surface);
  border-left:1px solid var(--border);
  width:min(88vw,360px)!important;
}
.nav-drawer .offcanvas-header{
  border-bottom:1px solid var(--border);
  padding:20px 22px;
}
.drawer-title{font-weight:750;font-size:1rem;letter-spacing:-.01em;}
.nav-drawer .btn-close{opacity:.7;}
.nav-drawer .offcanvas-body{
  padding:18px 22px 30px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav-drawer .offcanvas-body a{
  padding:14px 14px;
  border-radius:14px;
  font-weight:650;
  color:var(--ink);
  border:1px solid transparent;
}
.nav-drawer .offcanvas-body a:hover{
  background:var(--bg);
  border-color:var(--border);
  color:var(--accent);
}
.nav-drawer .drawer-cta{
  margin-top:14px;
  background:#0B0B0C;
  color:#fff;
  text-align:center;
  border-radius:var(--radius-pill);
}
.nav-drawer .drawer-cta:hover{background:var(--accent);color:#0B0B0C;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:52px 0 44px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F5F1 100%);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.07;
  pointer-events:none;
}
.article-hero .wrap{position:relative;z-index:1;}
.breadcrumb-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.875rem;
  color:var(--muted);
  margin-bottom:22px;
}
.breadcrumb-nav a{color:var(--muted);}
.breadcrumb-nav a:hover{color:var(--accent);}
.breadcrumb-nav .sep{color:#C7C3BA;}
.breadcrumb-nav strong{
  color:var(--ink);
  font-weight:650;
  max-width:min(520px,60vw);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:var(--surface);
  border:1px solid var(--border);
  font-size:.8125rem;
  font-weight:650;
  color:var(--ink);
  margin-bottom:18px;
  box-shadow:var(--shadow-1);
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--support);}
.article-title{
  font-size:clamp(1.75rem,4vw,2.85rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
  color:var(--ink);
  max-width:900px;
}
.article-lead{
  margin-top:16px;
  max-width:760px;
  color:var(--muted);
  font-size:1.0625rem;
  line-height:1.85;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  margin-top:24px;
  font-size:.875rem;
  color:var(--muted);
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  font-size:.8125rem;
  font-weight:650;
  line-height:1.5;
}
.chip-ink{background:var(--ink);color:#fff;}
.chip-accent{background:var(--accent-soft);color:var(--accent);}
.chip-support{background:rgba(24,181,140,.12);color:#0E8C6B;}
.chip-warn{background:rgba(245,179,1,.16);color:#8A6400;}

/* ============ 正文区 ============ */
.article-main{padding:64px 0 40px;}
.article-card{
  max-width:820px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:40px 44px 46px;
  position:relative;
}
.article-card::before{
  content:"";
  position:absolute;
  top:0;left:44px;right:44px;
  height:2px;
  background:var(--accent);
  border-radius:0 0 2px 2px;
}
.reading-tips{
  max-width:820px;
  margin:0 auto 30px;
  background:#F1EEE8;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 26px;
}
.reading-tips h2{
  font-size:1rem;
  font-weight:750;
  letter-spacing:.01em;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:10px;
}
.reading-tips h2 .bar{width:3px;height:16px;background:var(--accent);border-radius:2px;display:inline-block;}
.tip-list{display:grid;gap:10px;}
.tip-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:.9375rem;
  color:#3E3F44;
  line-height:1.8;
}
.tip-num{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:9px;
  background:var(--surface);
  border:1px solid var(--border);
  display:grid;
  place-items:center;
  font-size:.75rem;
  font-weight:750;
  color:var(--accent);
  margin-top:2px;
}

.article-body{
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--ink-soft);
  overflow-wrap:break-word;
}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(1.3rem,2.2vw,1.65rem);
  font-weight:750;
  line-height:1.3;
  letter-spacing:-.01em;
  margin:2.2em 0 .8em;
  padding-left:14px;
  border-left:3px solid var(--accent);
  color:var(--ink);
}
.article-body h3{
  font-size:1.18rem;
  font-weight:650;
  line-height:1.4;
  margin:1.8em 0 .6em;
  color:var(--ink);
}
.article-body h4{
  font-size:1.0625rem;
  font-weight:650;
  margin:1.5em 0 .5em;
  color:var(--ink);
}
.article-body img{
  border-radius:16px;
  margin:1.6em auto;
  box-shadow:var(--shadow-1);
}
.article-body a{
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body ul,.article-body ol{
  margin:0 0 1.2em;
  padding-left:1.4em;
}
.article-body ul{list-style:none;padding-left:1.1em;}
.article-body ul>li{position:relative;}
.article-body ul>li::before{
  content:"";
  position:absolute;
  left:-1.05em;top:.72em;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--accent);
}
.article-body ol{list-style:decimal;}
.article-body li{margin:.42em 0;}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:#F1EEE8;
  border-left:4px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:#3E3F44;
  font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:.9375rem;
}
.article-body th,.article-body td{
  border:1px solid var(--border);
  padding:11px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{background:#F1EEE8;font-weight:650;color:var(--ink);}
.article-body pre{
  background:var(--dark);
  color:var(--on-dark);
  padding:16px 18px;
  border-radius:14px;
  overflow-x:auto;
  font-size:.875rem;
  line-height:1.7;
}
.article-body code{
  background:#F1EEE8;
  padding:2px 6px;
  border-radius:6px;
  font-size:.9em;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{
  border:0;
  border-top:1px solid var(--border);
  margin:2.4em 0;
}
.article-foot{
  max-width:820px;
  margin:32px auto 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding:22px 26px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
}
.article-foot .foot-note{font-size:.875rem;color:var(--muted);}
.article-foot .foot-actions{display:flex;flex-wrap:wrap;gap:12px;}

.article-empty{
  text-align:center;
  padding:36px 10px 30px;
}
.empty-icon{
  width:66px;height:66px;
  margin:0 auto 20px;
  border-radius:20px;
  background:#F1EEE8;
  border:1px solid var(--border);
  display:grid;
  place-items:center;
  color:var(--muted);
  font-size:1.6rem;
  font-weight:700;
}
.article-empty h2{font-size:1.25rem;margin-bottom:10px;}
.article-empty p{color:var(--muted);font-size:.9375rem;max-width:460px;margin:0 auto 22px;}

/* ============ 相关推荐 ============ */
.related{padding:24px 0 var(--section-y);}
.section-head{
  max-width:820px;
  margin:0 auto 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
}
.section-title{
  font-size:clamp(1.35rem,2.4vw,1.85rem);
  font-weight:750;
  letter-spacing:-.01em;
}
.section-sub{color:var(--muted);font-size:.9375rem;margin-top:8px;}
.card-grid{
  max-width:820px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.post-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EFEBE4;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-thumb .thumb-tag{
  position:absolute;
  top:14px;left:14px;
  background:rgba(17,18,20,.86);
  color:#fff;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  font-size:.75rem;
  font-weight:650;
}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  font-size:.8125rem;
  color:var(--muted);
}
.post-title{font-size:1.0625rem;font-weight:700;line-height:1.5;}
.post-card:hover .post-title{color:var(--accent);}
.post-desc{
  color:var(--muted);
  font-size:.9375rem;
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.link-more{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:650;
  font-size:.9375rem;
  color:var(--ink);
}
.link-more .arrow{transition:transform .2s ease-out;}
.link-more:hover{color:var(--accent);}
.link-more:hover .arrow{transform:translateX(4px);}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--dark);
  color:var(--on-dark);
  border-radius:0;
  padding:80px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:40px;
  align-items:center;
}
.cta-title{
  font-size:clamp(1.5rem,3vw,2.3rem);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  color:#fff;
}
.cta-title span{color:var(--accent);}
.cta-text{
  margin-top:16px;
  color:var(--on-dark-muted);
  font-size:1rem;
  line-height:1.85;
  max-width:600px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.cta-actions .btn-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  background:var(--accent);
  color:#14100E;
  font-weight:700;
  transition:transform .2s ease-out,background .2s ease-out;
}
.cta-actions .btn-light:hover{background:#fff;color:var(--dark);transform:translateY(-2px);}
.cta-actions .btn-darkline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  border:1px solid #3A3B3F;
  color:var(--on-dark);
  font-weight:650;
  transition:background .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.cta-actions .btn-darkline:hover{background:#1F2024;border-color:#55565B;color:#fff;transform:translateY(-2px);}
.cta-panel{
  background:var(--dark-2);
  border:1px solid #2A2B2F;
  border-radius:var(--radius);
  padding:26px 26px 28px;
}
.cta-panel h3{color:#fff;font-size:1.0625rem;margin-bottom:16px;}
.cta-panel ul{display:grid;gap:12px;}
.cta-panel li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--on-dark-muted);
  font-size:.9375rem;
  line-height:1.75;
}
.cta-panel li i{color:var(--support);font-size:1rem;line-height:1.5;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:var(--on-dark);
  padding:68px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-col h4{
  font-size:.9375rem;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.01em;
}
.foot-col ul{display:grid;gap:12px;}
.foot-col ul a{color:var(--on-dark-muted);font-size:.9375rem;}
.foot-col ul a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;}
.site-footer .brand{margin-bottom:18px;}
.site-footer .brand:hover{color:var(--on-dark);}
.site-footer .brand-mark{background:var(--accent);color:#14100E;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:var(--on-dark-muted);}
.foot-desc{
  color:var(--on-dark-muted);
  font-size:.9375rem;
  line-height:1.85;
  max-width:360px;
}
.foot-bar{
  border-top:1px solid #26272B;
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  color:var(--on-dark-muted);
  font-size:.8125rem;
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  :root{--section-y:88px;}
  .cta-inner{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:992px){
  :root{--section-y:76px;}
  .topbar-note{display:none;}
  .nav-row{min-height:66px;}
  .cta-inner{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-card{padding:34px 30px 38px;}
  .article-card::before{left:30px;right:30px;}
}
@media (max-width:768px){
  :root{--section-y:64px;}
  .topbar-count{display:none;}
  .topbar-inner{justify-content:flex-start;}
  .article-hero{padding:34px 0 32px;}
  .article-main{padding:44px 0 28px;}
  .article-lead{font-size:1rem;}
  .article-body{font-size:1rem;line-height:1.9;}
  .card-grid{grid-template-columns:1fr;}
  .article-foot{flex-direction:column;align-items:stretch;}
  .article-foot .foot-actions .btn-primary,
  .article-foot .foot-actions .btn-outline{width:100%;}
  .cta-band{padding:64px 0;}
  .cta-actions .btn-light,.cta-actions .btn-darkline{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .reading-tips{padding:20px 20px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:1rem;}
  .brand-name{font-size:.9875rem;}
  .brand-sub{letter-spacing:.16em;}
  .article-card{padding:26px 20px 30px;border-radius:16px;}
  .article-card::before{left:20px;right:20px;}
  .article-title{font-size:1.6rem;}
  .btn-primary,.btn-outline{height:46px;padding:0 20px;}
  .nav-actions .btn-primary{display:none;}
  .topbar-status{font-size:.75rem;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#111214;
  --muted:#6E6E73;
  --border:#E4E1DA;
  --accent:#E84A1C;
  --support:#18B58C;
  --warn:#F5B301;
  --dark:#111214;
  --dark-2:#1A1B1E;
  --on-dark:#F7F5F1;
  --on-dark-muted:#A8A8AD;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 10px 30px rgba(17,18,20,.06);
  --shadow-lg:0 16px 40px rgba(17,18,20,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.18;letter-spacing:-0.015em;}
p{margin:0;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:8px;
}

/* ============ 顶部公告条 ============ */
.topbar{background:var(--dark);color:var(--on-dark);font-size:.82rem;}
.topbar-inner{
  display:flex;align-items:center;gap:16px;min-height:42px;
  flex-wrap:wrap;padding-top:6px;padding-bottom:6px;
}
.topbar-flag{
  display:inline-flex;align-items:center;
  background:var(--accent);color:#0B0B0C;
  font-weight:700;font-size:.72rem;letter-spacing:.06em;
  padding:3px 10px;border-radius:999px;
}
.topbar-note{color:var(--on-dark-muted);}
.countdown-pill{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  background:#1F2023;border:1px solid #2A2B2F;color:var(--on-dark-muted);
  padding:4px 12px;border-radius:999px;font-size:.78rem;
}
.countdown-pill b{color:var(--warn);font-weight:700;letter-spacing:.04em;font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.nav-bar{
  background:rgba(247,245,241,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  background:var(--ink);color:#fff;
  display:grid;place-items:center;
  font-size:1.15rem;font-weight:800;letter-spacing:0;
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;right:8px;bottom:8px;height:2px;
  background:var(--accent);border-radius:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:1.02rem;font-weight:750;letter-spacing:-0.01em;}
.brand-sub{font-size:.62rem;letter-spacing:.22em;color:var(--muted);font-weight:600;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  padding:9px 16px;border-radius:999px;font-size:.94rem;color:var(--muted);
  font-weight:550;position:relative;
}
.nav-links a:hover{color:var(--ink);background:#EDEAE3;}
.nav-links a.active{background:var(--ink);color:#fff;font-weight:650;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:46px;height:46px;border:1px solid var(--border);background:var(--surface);
  border-radius:14px;display:grid;place-items:center;gap:4px;padding:12px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;}

/* 抽屉 */
.drawer{background:var(--bg);width:320px;border-left:1px solid var(--border);}
.drawer .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 22px;}
.drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:22px;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  padding:14px 16px;border-radius:14px;font-weight:600;color:var(--muted);
  background:var(--surface);border:1px solid var(--border);
}
.drawer-links a.active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:.95rem;font-weight:650;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn .arrow{transition:transform .2s var(--ease);}
.btn-primary{background:#0B0B0C;color:#fff;}
.btn-primary:hover{background:var(--accent);color:#0B0B0C;transform:translateY(-2px);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);padding:0;height:auto;border:0;font-weight:650;}
.btn-ghost:hover{color:var(--accent);}
.btn-sm-nav{height:42px;padding:0 20px;font-size:.88rem;}
.btn-block{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ============ 徽章 ============ */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:.75rem;font-weight:650;letter-spacing:.02em;
  background:#EDEAE3;color:var(--ink);
}
.badge-accent{background:rgba(232,74,28,.12);color:#B93A12;}
.badge-support{background:rgba(24,181,140,.14);color:#0E8163;}
.badge-warn{background:rgba(245,179,1,.18);color:#8A6400;}
.badge-ink{background:var(--ink);color:#fff;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:#C7C2B8;}
.crumb .current{color:var(--ink);font-weight:650;}

/* ============ Hero ============ */
.hero{padding:34px 0 88px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero h1{
  font-size:clamp(2.1rem,4.2vw,3.5rem);
  font-weight:800;letter-spacing:-0.02em;line-height:1.1;
}
.hero-sub{
  margin-top:22px;font-size:1.06rem;color:var(--muted);line-height:1.85;max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-points{margin-top:34px;display:flex;flex-direction:column;gap:12px;}
.hero-points li{display:flex;align-items:center;gap:10px;font-size:.92rem;color:var(--muted);}
.dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}
.dot-accent{background:var(--accent);}
.dot-support{background:var(--support);}
.dot-warn{background:var(--warn);}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,18,20,.05) 0%,rgba(17,18,20,.55) 100%);
}
.hero-visual-line{position:absolute;left:0;right:0;bottom:64px;height:2px;background:var(--accent);z-index:2;}
.hero-visual-caption{
  position:absolute;left:26px;right:26px;bottom:22px;z-index:3;color:#fff;
  font-size:.86rem;font-weight:600;display:flex;justify-content:space-between;gap:12px;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head .eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;
  color:var(--accent);margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:780;}
.section-head p{margin-top:16px;color:var(--muted);font-size:1.02rem;line-height:1.85;}

/* ============ Bento 功能网格 ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-card{
  grid-column:span 5;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.bento-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent),rgba(232,74,28,0));
  opacity:0;transition:opacity .25s var(--ease);
}
.bento-card:hover::before{opacity:1;}
.bento-card.w7{grid-column:span 7;}
.bento-card.w8{grid-column:span 8;}
.bento-card.w4{grid-column:span 4;}
.bento-num{
  font-size:.78rem;font-weight:750;letter-spacing:.14em;color:var(--muted);
}
.bento-card h3{font-size:1.22rem;font-weight:700;}
.bento-card p{color:var(--muted);font-size:.95rem;line-height:1.8;}
.bento-card .bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.bento-media{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);}
.bento-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.bento-card.split{flex-direction:row;gap:26px;align-items:center;}
.bento-card.split .bento-body{flex:1;display:flex;flex-direction:column;gap:14px;}
.bento-card.split .bento-media{flex:0 0 44%;}

/* ============ 对比表 ============ */
.table-scroll{
  overflow-x:auto;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
}
table.compare{width:100%;min-width:780px;border-collapse:collapse;}
table.compare thead th{
  background:#FBFAF8;color:var(--muted);font-size:.78rem;font-weight:700;
  letter-spacing:.1em;text-align:left;padding:18px 24px;border-bottom:1px solid var(--border);
  white-space:nowrap;
}
table.compare tbody td{
  padding:20px 24px;border-bottom:1px solid var(--border);font-size:.94rem;vertical-align:top;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:#FDFCFA;}
table.compare td.name{font-weight:680;white-space:nowrap;}
table.compare td.dim{color:var(--muted);}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;position:relative;transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.step::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:2px;background:var(--accent);
}
.step-num{
  font-size:1.6rem;font-weight:800;letter-spacing:-0.02em;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.step h3{margin-top:12px;font-size:1.05rem;font-weight:700;}
.step p{margin-top:10px;color:var(--muted);font-size:.92rem;line-height:1.8;}

/* ============ 中部 CTA ============ */
.cta-band{
  background:var(--dark);color:var(--on-dark);border-radius:var(--radius-lg);
  padding:58px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border:1px solid rgba(232,74,28,.5);border-radius:50%;
}
.cta-band h2{font-size:clamp(1.4rem,2.2vw,2rem);font-weight:780;max-width:22em;}
.cta-band p{margin-top:14px;color:var(--on-dark-muted);font-size:.96rem;max-width:34em;}
.cta-band .btn-primary{background:var(--accent);color:#0B0B0C;}
.cta-band .btn-primary:hover{background:#fff;color:#0B0B0C;}
.cta-band .btn-outline{border-color:rgba(247,245,241,.4);color:var(--on-dark);}
.cta-band .btn-outline:hover{background:var(--on-dark);color:var(--ink);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}

/* ============ 适配说明 ============ */
.fit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.fit-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.fit-card h3{font-size:1.06rem;font-weight:700;display:flex;align-items:center;gap:10px;}
.fit-card p{margin-top:12px;color:var(--muted);font-size:.93rem;line-height:1.8;}
.fit-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.fit-list li{display:flex;gap:10px;font-size:.9rem;color:var(--muted);}
.fit-list li::before{content:"—";color:var(--accent);flex-shrink:0;}

/* ============ FAQ ============ */
.faq-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:10px 30px;box-shadow:var(--shadow);
}
.faq-panel .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--border);}
.faq-panel .accordion-item:last-child{border-bottom:0;}
.faq-panel .accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:24px 0;font-size:1.02rem;font-weight:650;color:var(--ink);
  display:flex;align-items:center;gap:16px;
}
.faq-panel .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none;}
.faq-panel .accordion-button::after{
  content:"+";
  background-image:none;
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;font-weight:600;color:var(--ink);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-panel .accordion-button:not(.collapsed)::after{
  content:"−";background:var(--ink);color:#fff;border-color:var(--ink);
}
.faq-panel .accordion-body{
  padding:0 46px 26px 0;color:var(--muted);font-size:.95rem;line-height:1.85;
}

/* ============ 底部 CTA ============ */
.final-cta{
  background:var(--dark);color:var(--on-dark);
  padding:96px 0;position:relative;overflow:hidden;
}
.final-cta::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--accent),rgba(232,74,28,0));
}
.final-cta-inner{display:flex;flex-direction:column;align-items:flex-start;gap:26px;max-width:820px;}
.final-cta h2{font-size:clamp(1.7rem,3vw,2.6rem);font-weight:800;letter-spacing:-0.02em;}
.final-cta p{color:var(--on-dark-muted);font-size:1.02rem;line-height:1.85;}
.final-cta .cta-actions{margin-top:8px;}
.final-cta .btn-primary{background:var(--accent);color:#0B0B0C;}
.final-cta .btn-primary:hover{background:#fff;}
.final-cta .btn-outline{border-color:rgba(247,245,241,.4);color:var(--on-dark);}
.final-cta .btn-outline:hover{background:var(--on-dark);color:var(--ink);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--on-dark);padding:72px 0 0;}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:52px;border-bottom:1px solid #26272B;
}
.foot-col .brand{margin-bottom:18px;}
.foot-col .brand-mark{background:var(--accent);color:#0B0B0C;}
.foot-col .brand-mark::after{background:#0B0B0C;}
.foot-col .brand-name{color:var(--on-dark);}
.foot-col .brand-sub{color:var(--on-dark-muted);}
.foot-desc{color:var(--on-dark-muted);font-size:.92rem;line-height:1.85;max-width:32em;}
.foot-col h4{font-size:.95rem;font-weight:700;margin-bottom:18px;color:var(--on-dark);}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col ul a{color:var(--on-dark-muted);font-size:.92rem;}
.foot-col ul a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;}
.foot-bar{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding:26px 0 34px;color:var(--on-dark-muted);font-size:.84rem;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .section{padding:68px 0;}
  .hero{padding:26px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .hero-visual img{aspect-ratio:16/10;}
  .bento-card,.bento-card.w7,.bento-card.w8,.bento-card.w4{grid-column:span 6;}
  .bento-card.split{flex-direction:column;align-items:stretch;}
  .bento-card.split .bento-media{flex:none;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .fit-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 34px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .topbar-note{display:none;}
  .countdown-pill{margin-left:0;}
  .nav-inner{min-height:66px;gap:14px;}
  .brand-name{font-size:.96rem;}
  .hero h1{font-size:clamp(1.85rem,7vw,2.4rem);}
  .hero-actions .btn{width:100%;}
  .bento-card,.bento-card.w7,.bento-card.w8,.bento-card.w4{grid-column:span 12;}
  .steps{grid-template-columns:1fr;}
  .section-head{margin-bottom:38px;}
  .faq-panel{padding:6px 20px;}
  .faq-panel .accordion-button{font-size:.98rem;padding:20px 0;}
  .faq-panel .accordion-body{padding:0 0 22px;}
  .final-cta{padding:68px 0;}
  .final-cta .cta-actions{width:100%;}
  .final-cta .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:32px;padding-bottom:38px;}
  .foot-bar{flex-direction:column;}
}
@media (max-width:575px){
  .topbar-inner{gap:10px;}
  .topbar-flag{font-size:.68rem;}
  .brand-mark{width:40px;height:40px;border-radius:12px;}
  .brand-sub{font-size:.58rem;letter-spacing:.16em;}
  .bento-card{padding:24px;}
  .step{padding:24px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#111214;
  --muted:#6E6E73;
  --border:#E4E1DA;
  --accent:#E84A1C;
  --support:#18B58C;
  --warn:#F5B301;
  --dark:#111214;
  --dark-2:#1A1B1E;
  --on-dark:#F7F5F1;
  --on-dark-muted:#A8A8AD;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(17,18,20,.06);
  --shadow-hover:0 16px 40px rgba(17,18,20,.10);
  --container:1200px;
  --ring:0 0 0 2px rgba(232,74,28,.18);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:1rem;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,opacity .2s ease-out}
a:hover{color:var(--accent)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.18;font-weight:750}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:0 0 0 2px #fff,var(--ring),0 0 0 3px var(--accent)}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1200px){.wrap{max-width:1280px}}

/* ---------- 顶部公告条 ---------- */
.notice-bar{background:var(--dark);color:var(--on-dark);font-size:.8125rem}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:42px;padding:8px 0}
.notice-left{display:flex;align-items:center;gap:10px;color:var(--on-dark-muted)}
.notice-left strong{color:var(--on-dark);font-weight:600}
.dot{width:8px;height:8px;border-radius:50%;background:var(--support);display:inline-block;box-shadow:0 0 0 3px rgba(24,181,140,.22)}
.notice-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:.75rem;font-weight:600;line-height:1.6;white-space:nowrap;
}
.pill-accent{background:rgba(232,74,28,.12);color:#C03A13}
.pill-support{background:rgba(24,181,140,.14);color:#0E7D60}
.pill-warn{background:rgba(245,179,1,.18);color:#8A6400}
.pill-ink{background:rgba(17,18,20,.08);color:var(--ink)}
.pill-dark{background:rgba(247,245,241,.10);color:var(--on-dark)}
.countdown{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:var(--radius-pill);background:rgba(245,179,1,.16);color:#F5B301;font-weight:600;font-size:.75rem}
.countdown b{color:#FFD66B;font-weight:700}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:1030;background:rgba(247,245,241,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.05rem;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:750;font-size:1.05rem;letter-spacing:-.01em}
.brand-sub{font-size:.6875rem;letter-spacing:.16em;color:var(--muted);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:var(--radius-pill);
  font-weight:600;font-size:.9375rem;color:#33343A;
}
.nav-links a:hover{background:rgba(17,18,20,.05);color:var(--ink)}
.nav-links a.active{background:var(--ink);color:#fff}
.nav-links a.active::after{content:"";position:absolute;left:50%;bottom:-9px;transform:translateX(-50%);width:22px;height:2px;background:var(--accent);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--surface);
  display:flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;display:block}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-weight:650;font-size:.9375rem;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-main{background:#0B0B0C;color:#fff}
.btn-main:hover{background:var(--accent);color:#0B0B0C;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-main .arw{transition:transform .2s ease-out}
.btn-main:hover .arw{transform:translateX(4px)}
.btn-line{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:none;padding:0 4px;min-height:auto;border-bottom:1px solid rgba(17,18,20,.3);border-radius:0}
.btn-ghost:hover{color:var(--accent);border-bottom-color:var(--accent)}
.link-more{font-weight:650;font-size:.9375rem;color:var(--ink);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid rgba(17,18,20,.25);padding-bottom:2px}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent)}
.link-more .arw{transition:transform .2s ease-out}
.link-more:hover .arw{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:.875rem;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C3BFB6}
.crumb a:hover{color:var(--accent)}
.crumb .now{color:var(--ink);font-weight:650}

/* ---------- Hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:40px 0 76px}
.cat-hero .hero-card{
  position:relative;border-radius:24px;overflow:hidden;background:var(--dark);color:var(--on-dark);
  display:grid;grid-template-columns:1.15fr .85fr;min-height:440px;
}
.hero-copy{padding:56px 48px;position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;gap:20px}
.hero-tag{display:flex;gap:10px;flex-wrap:wrap}
.hero-copy h1{font-size:clamp(2.1rem,4.2vw,3.6rem);font-weight:800;line-height:1.08}
.hero-copy h1 em{font-style:normal;color:var(--accent)}
.hero-lead{color:var(--on-dark-muted);font-size:1.0625rem;line-height:1.85;max-width:44ch;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.hero-actions .btn-line{border-color:rgba(247,245,241,.4);color:var(--on-dark)}
.hero-actions .btn-line:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark)}
.hero-media{position:relative;min-height:300px}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-media::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--dark) 0%,rgba(17,18,20,.35) 55%,rgba(17,18,20,.1) 100%);z-index:1}
.hero-media::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);z-index:2}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;padding-top:8px;border-top:1px solid rgba(247,245,241,.16);margin-top:8px}
.hero-stats div{min-width:110px}
.hero-stats b{display:block;font-size:1.5rem;font-weight:800;color:#fff}
.hero-stats span{font-size:.8125rem;color:var(--on-dark-muted)}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.on-dark{background:var(--dark);color:var(--on-dark)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;font-weight:650;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:750;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.0625rem;line-height:1.85;margin:0}
.on-dark .section-head p{color:var(--on-dark-muted)}
.rule{height:1px;background:var(--border);border:0;margin:0}

/* ---------- 场景时间线 ---------- */
.track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.track::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:1px;background:linear-gradient(90deg,var(--border),var(--accent),var(--border))}
.step{position:relative;z-index:1}
.step-no{
  width:54px;height:54px;border-radius:16px;background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--accent);
  box-shadow:var(--shadow);margin-bottom:20px;font-size:1rem;
}
.step-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);height:100%;
  display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EFEDE8}
.step-card .thumb img{width:100%;height:100%;object-fit:cover}
.step-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.step-body h3{font-size:1.15rem;font-weight:650}
.step-body p{color:var(--muted);font-size:.9375rem;line-height:1.75;margin:0}
.step-body .link-more{margin-top:auto}

/* ---------- 流程条 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.flow-item{padding:30px 26px;border-right:1px solid var(--border);position:relative}
.flow-item:last-child{border-right:0}
.flow-item .num{font-size:.8125rem;font-weight:700;color:var(--accent);letter-spacing:.1em}
.flow-item h3{font-size:1.0625rem;margin:10px 0 8px;font-weight:650}
.flow-item p{color:var(--muted);font-size:.875rem;line-height:1.7;margin:0}
.flow-item::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:var(--accent);opacity:0;transition:opacity .2s ease-out}
.flow-item:hover::before{opacity:1}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);background:#EFEDE8}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;line-height:1.75}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(24,181,140,.14);
  color:#0E7D60;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;margin-top:3px;
}
.check-list strong{font-weight:650}
.check-list span{color:var(--muted)}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.metric{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px}
.metric b{display:block;font-size:1.5rem;font-weight:800;color:var(--accent)}
.metric span{font-size:.8125rem;color:var(--muted)}

/* ---------- 提醒卡 ---------- */
.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tip{background:var(--surface);border:1px solid var(--border);border-top:2px solid var(--accent);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .22s ease-out,box-shadow .22s ease-out}
.tip:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tip h3{font-size:1.0625rem;margin:14px 0 8px;font-weight:650}
.tip p{color:var(--muted);font-size:.9375rem;line-height:1.75;margin:0}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;padding:24px 44px 24px 0;
  font-size:1.0625rem;font-weight:650;position:relative;cursor:pointer;line-height:1.6;
}
.faq-q:hover{color:var(--accent)}
.faq-q::after{
  content:"";position:absolute;right:6px;top:50%;width:14px;height:2px;background:var(--ink);
  transform:translateY(-50%);transition:transform .2s ease-out,background-color .2s ease-out;
}
.faq-q::before{
  content:"";position:absolute;right:12px;top:50%;width:2px;height:14px;background:var(--ink);
  transform:translateY(-50%);transition:transform .2s ease-out,opacity .2s ease-out,background-color .2s ease-out;
}
.faq-item.open .faq-q::before{transform:translateY(-50%) scaleY(0);opacity:0}
.faq-item.open .faq-q::after{background:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-a p{color:var(--muted);font-size:.9375rem;line-height:1.85;padding:0 44px 24px 0;margin:0}
.faq-a p+p{margin-top:-8px}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:var(--on-dark);border-radius:24px;padding:56px 48px;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(232,74,28,.35),transparent 65%)}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;margin-bottom:16px;max-width:22ch;position:relative;z-index:1}
.cta-band p{color:var(--on-dark-muted);max-width:60ch;font-size:1.0625rem;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;position:relative;z-index:1}
.cta-band .btn-line{border-color:rgba(247,245,241,.4);color:var(--on-dark)}
.cta-band .btn-line:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark)}
.cta-band .btn-main{background:var(--accent);color:#0B0B0C}
.cta-band .btn-main:hover{background:var(--on-dark);color:var(--ink)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);margin-top:0;padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.foot-col h4{font-size:.9375rem;font-weight:650;margin-bottom:18px;color:#fff}
.foot-desc{color:var(--on-dark-muted);font-size:.9375rem;line-height:1.85;margin-top:18px;max-width:38ch}
.foot-col ul{display:grid;gap:12px}
.foot-col ul a{color:var(--on-dark-muted);font-size:.9375rem;border-bottom:1px solid transparent;padding-bottom:2px}
.foot-col ul a:hover{color:#fff;border-bottom-color:var(--accent)}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:var(--on-dark-muted)}
.site-footer .brand-mark{background:var(--accent);color:#0B0B0C}
.foot-bar{border-top:1px solid rgba(247,245,241,.14);padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--on-dark-muted);font-size:.8125rem}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);animation:rise .55s ease-out forwards}
.reveal.d1{animation-delay:.08s}
.reveal.d2{animation-delay:.16s}
.reveal.d3{animation-delay:.24s}
@keyframes rise{to{opacity:1;transform:translateY(0)}}
.pulse{animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.offcanvas-end{background:var(--bg);border-left:1px solid var(--border);width:min(88vw,360px)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}
.drawer-nav{display:grid;gap:6px;padding:18px 20px}
.drawer-nav a{padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--border);font-weight:650}
.drawer-nav a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.drawer-cta{padding:0 20px 24px}
.drawer-cta .btn-main{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .track{grid-template-columns:repeat(2,1fr);gap:28px}
  .track::before{display:none}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-item:nth-child(2){border-right:0}
  .flow-item:nth-child(1),.flow-item:nth-child(2){border-bottom:1px solid var(--border)}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .cat-hero .hero-card{grid-template-columns:1fr}
  .hero-copy{padding:40px 28px 36px}
  .hero-media{min-height:240px;order:-1}
  .hero-media::before{background:linear-gradient(180deg,rgba(17,18,20,.2),rgba(17,18,20,.9))}
  .split{grid-template-columns:1fr;gap:32px}
  .tips{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:44px 28px}
}
@media (max-width:767px){
  body{font-size:.9688rem}
  .section{padding:56px 0}
  .notice-inner{flex-direction:column;align-items:flex-start;gap:8px;padding:10px 0}
  .nav-inner{min-height:66px}
  .track{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-item{border-right:0;border-bottom:1px solid var(--border)}
  .flow-item:last-child{border-bottom:0}
  .metric-row{grid-template-columns:1fr}
  .hero-copy h1{font-size:clamp(1.85rem,7vw,2.4rem)}
  .hero-stats{gap:18px}
  .btn-main,.btn-line{width:100%}
  .hero-actions{flex-direction:column}
  .cta-actions{flex-direction:column}
  .foot-grid{grid-template-columns:1fr}
  .foot-bar{flex-direction:column;gap:8px}
  .crumb{padding-top:16px}
  .faq-q{font-size:1rem;padding-right:38px}
}

/* roulang page: category3 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#111214;
  --muted:#6E6E73;
  --border:#E4E1DA;
  --accent:#E84A1C;
  --support:#18B58C;
  --warn:#F5B301;
  --dark:#111214;
  --on-dark:#F7F5F1;
  --soft:#EFEDE7;
  --radius:18px;
  --radius-lg:24px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(17,18,20,.06);
  --shadow-hover:0 16px 40px rgba(17,18,20,.10);
  --wrap:1200px;
  --t:200ms cubic-bezier(.22,.61,.36,1);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.015em;line-height:1.18}
p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid rgba(232,74,28,.6);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,241,.94);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.head-bar{background:var(--dark);color:var(--on-dark);font-size:.8125rem}
.head-bar-inner{display:flex;align-items:center;gap:12px;height:38px;overflow:hidden;white-space:nowrap}
.head-bar-text{font-weight:600}
.head-bar-text.dim{color:#A8A8AD;font-weight:500}
.head-bar-sep{width:1px;height:14px;background:#33343A;flex:none}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--support);flex:none;
  box-shadow:0 0 0 0 rgba(24,181,140,.6);animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(24,181,140,.5)}
  70%{box-shadow:0 0 0 9px rgba(24,181,140,0)}
  100%{box-shadow:0 0 0 0 rgba(24,181,140,0)}
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:1.0625rem;letter-spacing:0;
}
.brand-name{display:block;font-weight:800;font-size:1rem;line-height:1.25}
.brand-sub{display:block;font-size:.6875rem;letter-spacing:.18em;color:var(--muted);font-weight:700}
.nav-links{align-items:center;gap:6px}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:.9375rem;font-weight:650;color:#43434A;
  transition:color var(--t),background var(--t);
}
.nav-links a:hover{color:var(--ink);background:var(--soft)}
.nav-links a.active{background:var(--ink);color:#fff}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  width:46px;height:46px;border-radius:13px;border:1px solid var(--border);
  background:#fff;display:grid;place-items:center;font-size:1.05rem;
  transition:background var(--t),transform var(--t);
}
.nav-toggle:hover{background:var(--soft);transform:translateY(-1px)}

.nav-drawer{background:var(--bg);width:min(340px,88vw);border-left:1px solid var(--border)}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 22px}
.drawer-title{font-weight:800;font-size:1rem}
.nav-drawer .offcanvas-body{padding:18px 22px 28px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;font-weight:650;color:#43434A;
  border:1px solid transparent;transition:background var(--t),color var(--t);
}
.drawer-link:hover{background:#fff;color:var(--ink);border-color:var(--border)}
.drawer-link.active{background:var(--ink);color:#fff}
.drawer-link.active::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.7rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:.9375rem;cursor:pointer;
  transition:background var(--t),color var(--t),transform var(--t),border-color var(--t),box-shadow var(--t);
}
.btn .arrow{transition:transform var(--t)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{background:#0B0B0C;color:#fff}
.btn-primary:hover{background:var(--accent);color:#0B0B0C;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,74,28,.24)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ondark{background:#fff;color:var(--ink)}
.btn-ondark:hover{background:var(--accent);color:#0B0B0C;transform:translateY(-2px)}
.btn-line{background:transparent;border-color:rgba(247,245,241,.42);color:var(--on-dark)}
.btn-line:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:.875rem}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--dark);color:var(--on-dark);overflow:hidden}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(17,18,20,.95) 0%,rgba(17,18,20,.82) 46%,rgba(17,18,20,.46) 100%);
}
.hero-inner{position:relative;z-index:2;padding:74px 22px 78px;max-width:960px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:#9A9AA0}
.crumbs a{color:#C9C9CE;transition:color var(--t)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:#5A5A61}
.crumbs .cur{color:var(--on-dark);font-weight:700}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:.8125rem;font-weight:700;
  background:rgba(247,245,241,.12);color:var(--on-dark);border:1px solid rgba(247,245,241,.18);
}
.tag-accent{background:var(--accent);color:#0B0B0C;border-color:var(--accent)}
.tag-warn{background:rgba(245,179,1,.18);color:#F7CE68;border-color:rgba(245,179,1,.34)}
.tag-support{background:rgba(24,181,140,.16);color:#5CE0BC;border-color:rgba(24,181,140,.34)}
.hero h1{
  font-size:clamp(2.15rem,4.4vw,3.45rem);font-weight:800;line-height:1.12;
  margin:20px 0 16px;letter-spacing:-.025em;
}
.hero h1 .hl{color:var(--accent)}
.hero-sub{color:rgba(247,245,241,.78);font-size:1.0625rem;line-height:1.8;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:.875rem;color:#B6B6BC}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta i{color:var(--support)}

/* ---------- section base ---------- */
.section{padding:clamp(56px,6.6vw,100px) 0}
.section.alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:750;letter-spacing:.12em;color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:clamp(1.6rem,2.7vw,2.3rem);font-weight:780;letter-spacing:-.02em}
.section-head p{margin-top:14px;color:var(--muted);font-size:1rem;line-height:1.85}

/* ---------- type grid ---------- */
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.type-card{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px 24px 26px;box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.type-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:2px;
  background:var(--accent);border-radius:0 0 3px 3px;opacity:0;transition:opacity var(--t);
}
.type-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8D4CC}
.type-card:hover::before{opacity:1}
.type-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:#FDF0EA;color:var(--accent);font-size:1.15rem;margin-bottom:18px;
}
.type-card h3{font-size:1.125rem;font-weight:700;margin-bottom:10px}
.type-card p{color:var(--muted);font-size:.9375rem;line-height:1.8}
.type-num{
  position:absolute;right:22px;top:24px;font-size:.8125rem;font-weight:800;
  color:#C9C5BC;font-variant-numeric:tabular-nums;letter-spacing:.06em;
}

/* ---------- feed ---------- */
.feed-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.filter-tabs{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
.filter-tabs a{
  padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);
  font-size:.875rem;font-weight:650;color:#43434A;transition:all var(--t);
}
.filter-tabs a:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.filter-tabs a.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.feed-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:24px}
.post-feature{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.post-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EAE7E0}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease-out}
.post-feature:hover .post-cover img{transform:scale(1.04)}
.post-cover .cover-tag{position:absolute;left:16px;top:16px}
.post-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-tag{
  align-self:flex-start;padding:5px 12px;border-radius:999px;font-size:.75rem;font-weight:750;
  background:#FDF0EA;color:#C43C13;
}
.post-tag.t-event{background:#EAF6F2;color:#0E8A69}
.post-tag.t-ux{background:#F1EFF9;color:#5B4BB5}
.post-body h3{font-size:1.32rem;font-weight:750;line-height:1.35}
.post-body h3 a{transition:color var(--t)}
.post-body h3 a:hover{color:var(--accent)}
.post-excerpt{color:var(--muted);font-size:.9375rem;line-height:1.85}
.post-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:auto;padding-top:16px;
  border-top:1px dashed var(--border);font-size:.8125rem;color:var(--muted);
}
.post-meta span{display:flex;align-items:center;gap:7px}
.post-meta i{color:#B4B0A8}
.post-side{display:grid;gap:24px;align-content:start}
.post-row{
  display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t);
}
.post-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-row.reversed{grid-template-columns:1fr 112px}
.post-thumb{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:1/1;background:#EAE7E0}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-row h3{font-size:1.0625rem;font-weight:700;line-height:1.4;margin:8px 0 8px}
.post-row h3 a:hover{color:var(--accent)}
.post-row .row-meta{font-size:.8125rem;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}

/* ---------- rhythm ---------- */
.rhythm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--border)}
.rhythm-item{
  position:relative;padding:32px 26px 34px 0;border-right:1px dashed var(--border);
  transition:background var(--t);
}
.rhythm-item:last-child{border-right:0;padding-right:0}
.rhythm-item .r-num{
  display:block;font-size:2rem;font-weight:800;color:#DDD9D0;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:14px;
  transition:color var(--t);
}
.rhythm-item:hover .r-num{color:var(--accent)}
.rhythm-item h3{font-size:1.0625rem;font-weight:700;margin-bottom:10px}
.rhythm-item p{color:var(--muted);font-size:.9375rem;line-height:1.8;padding-right:18px}

/* ---------- board ---------- */
.board{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.board-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:22px 28px;border-bottom:1px solid var(--border);transition:background var(--t);
}
.board-item:last-child{border-bottom:0}
.board-item:hover{background:#FCFBF9}
.rank{
  font-size:1.25rem;font-weight:800;color:#C9C5BC;font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.board-item:nth-child(1) .rank,.board-item:nth-child(2) .rank,.board-item:nth-child(3) .rank{color:var(--accent)}
.board-title{font-weight:700;font-size:1rem;margin-bottom:6px}
.board-title a:hover{color:var(--accent)}
.board-desc{color:var(--muted);font-size:.875rem;line-height:1.7}
.heat{
  padding:5px 12px;border-radius:999px;font-size:.75rem;font-weight:750;white-space:nowrap;
  background:rgba(245,179,1,.16);color:#8C6600;
}
.heat.mid{background:var(--soft);color:#5A5A61}
.heat.ok{background:rgba(24,181,140,.14);color:#0E8A69}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);position:relative;
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-num{
  font-size:.8125rem;font-weight:800;letter-spacing:.1em;color:var(--accent);
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.step h3{font-size:1.0625rem;font-weight:700;margin-bottom:10px}
.step p{color:var(--muted);font-size:.9375rem;line-height:1.8}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--border);
}
.accordion-button{
  background:transparent;box-shadow:none;padding:24px 46px 24px 0;font-weight:700;
  font-size:1.0625rem;color:var(--ink);border-radius:0 !important;line-height:1.55;
}
.accordion-button:not(.collapsed){color:var(--accent);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  background-image:none;content:"\2b";font-family:var(--font);
  font-size:1.25rem;font-weight:700;color:var(--muted);
  display:grid;place-items:center;width:26px;height:26px;line-height:1;
  transition:transform var(--t),color var(--t);transform:none;
}
.accordion-button:not(.collapsed)::after{content:"\2212";color:var(--accent);transform:rotate(180deg)}
.accordion-button:hover{color:var(--accent)}
.accordion-body{padding:0 46px 26px 0;color:var(--muted);font-size:.9375rem;line-height:1.9}

/* ---------- cta ---------- */
.cta-dark{
  position:relative;background:var(--dark);color:var(--on-dark);overflow:hidden;
  padding:clamp(56px,6vw,88px) 0;
}
.cta-dark::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,74,28,.28),rgba(232,74,28,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(1.6rem,2.8vw,2.35rem);font-weight:780;letter-spacing:-.02em}
.cta-inner p{margin-top:16px;color:rgba(247,245,241,.72);font-size:1rem;line-height:1.85;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:26px}
.cta-stats div{font-size:.875rem;color:rgba(247,245,241,.66)}
.cta-stats strong{display:block;font-size:1.5rem;font-weight:800;color:var(--on-dark);font-variant-numeric:tabular-nums}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.9fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.foot-col .brand{margin-bottom:18px}
.foot-col .brand-mark{background:#fff;color:var(--ink)}
.foot-col .brand-name{color:var(--on-dark)}
.foot-col .brand-sub{color:#8B8B91}
.foot-desc{color:#A8A8AD;font-size:.9125rem;line-height:1.85;max-width:420px}
.foot-col h4{
  font-size:.9375rem;font-weight:750;margin-bottom:18px;letter-spacing:.02em;color:var(--on-dark);
}
.foot-col ul li{margin-bottom:12px}
.foot-col ul a{
  color:#A8A8AD;font-size:.9125rem;transition:color var(--t),border-color var(--t);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.foot-col ul a:hover{color:#fff;border-color:var(--accent)}
.foot-bar{
  border-top:1px solid #232428;padding:22px 0 26px;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:#8B8B91;font-size:.8125rem;
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .type-grid{grid-template-columns:repeat(2,1fr)}
  .feed-grid{grid-template-columns:1fr}
  .post-side{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:30px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:991.98px){
  .head-bar-inner{height:34px;font-size:.78125rem}
  .hero-inner{padding:56px 22px 62px}
  .rhythm-grid{grid-template-columns:repeat(2,1fr);gap:6px 0}
  .rhythm-item{padding:26px 22px 28px 0}
  .rhythm-item:nth-child(2){border-right:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .board-item{grid-template-columns:52px 1fr;gap:16px;row-gap:10px}
  .board-item .heat{grid-column:2;justify-self:start}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .section{padding:54px 0}
  .hero h1{font-size:clamp(1.9rem,7vw,2.5rem)}
  .hero-sub{font-size:1rem}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .type-grid{grid-template-columns:1fr}
  .post-side{grid-template-columns:1fr}
  .post-row,.post-row.reversed{grid-template-columns:88px 1fr;align-items:start}
  .post-body{padding:22px 20px 24px}
  .post-body h3{font-size:1.15rem}
  .rhythm-grid{grid-template-columns:1fr}
  .rhythm-item{border-right:0;border-bottom:1px dashed var(--border);padding:24px 0 26px}
  .rhythm-item:last-child{border-bottom:0}
  .rhythm-item p{padding-right:0}
  .steps{grid-template-columns:1fr}
  .accordion-button{padding:20px 40px 20px 0;font-size:1rem}
  .accordion-body{padding:0 40px 22px 0}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px}
  .foot-bar{flex-direction:column;gap:8px}
  .cta-stats{gap:20px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .hero-inner{padding:44px 16px 52px}
  .brand-sub{display:none}
  .head-bar-text.dim,.head-bar-sep{display:none}
  .post-row,.post-row.reversed{grid-template-columns:1fr}
  .post-thumb{aspect-ratio:16/9}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --ink:#111214;
  --muted:#6E6E73;
  --border:#E4E1DA;
  --accent:#E84A1C;
  --accent-deep:#B7300C;
  --support:#18B58C;
  --support-deep:#0E7A5E;
  --warn:#F5B301;
  --warn-deep:#8A6400;
  --dark:#111214;
  --dark-2:#1A1B1E;
  --on-dark:#F7F5F1;
  --on-dark-muted:#A8A8AD;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-1:0 10px 30px rgba(17,18,20,.06);
  --shadow-2:0 16px 40px rgba(17,18,20,.10);
  --ring:0 0 0 4px rgba(232,74,28,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-.01em}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:92px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);display:block}
.h1{font-size:clamp(2.3rem,5vw,3.6rem);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:750;line-height:1.18}
.h3{font-size:1.18rem;font-weight:650;line-height:1.4}
.lead{font-size:1.05rem;color:var(--muted);line-height:1.85}
.muted{color:var(--muted)}
.small{font-size:.875rem;line-height:1.6}
.num{font-variant-numeric:tabular-nums}

/* ---------- 公告条 ---------- */
.notice-bar{background:var(--dark);color:var(--on-dark);font-size:.8rem}
.notice-inner{display:flex;align-items:center;gap:10px;height:38px;flex-wrap:nowrap;overflow:hidden}
.notice-inner .sep{color:#5A5A5F}
.notice-muted{color:var(--on-dark-muted)}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--support);box-shadow:0 0 0 4px rgba(24,181,140,.18);flex:0 0 auto}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--on-dark);
  display:grid;place-items:center;font-weight:800;font-size:1.05rem;letter-spacing:0;
  position:relative;overflow:hidden;
}
.brand-mark::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:750;font-size:1rem;letter-spacing:-.01em}
.brand-sub{font-size:.66rem;letter-spacing:.22em;color:var(--muted);font-weight:600}
.nav-links{align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:.95rem;font-weight:600;color:#3A3A3F;
}
.nav-links a:hover{color:var(--ink);background:rgba(17,18,20,.05)}
.nav-links a.active{color:var(--ink);background:var(--ink);color:var(--on-dark)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-15px;
  width:26px;height:3px;border-radius:3px;background:var(--accent);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--surface);
  display:grid;place-items:center;gap:4px;padding:11px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.offcanvas{background:var(--bg);border-left:1px solid var(--border)}
.offcanvas-header{padding:20px}
.m-nav{display:flex;flex-direction:column;gap:6px;padding:6px 20px 20px}
.m-nav a{
  padding:14px 16px;border-radius:var(--radius-sm);font-weight:650;font-size:1rem;
  border:1px solid transparent;
}
.m-nav a:hover{background:var(--surface);border-color:var(--border)}
.m-nav a.active{background:var(--ink);color:var(--on-dark)}
.m-nav-foot{padding:0 20px 28px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;min-height:44px;padding:0 26px;border-radius:999px;
  font-size:.95rem;font-weight:650;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn .arw{transition:transform .2s var(--ease);display:inline-block}
.btn:hover .arw{transform:translateX(4px)}
.btn-ink{background:#0B0B0C;color:#FFFFFF}
.btn-ink:hover{background:var(--accent);color:#0B0B0C;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#FFFFFF;transform:translateY(-2px)}
.btn-light{background:var(--on-dark);color:var(--ink)}
.btn-light:hover{background:var(--accent);color:#0B0B0C;transform:translateY(-2px)}
.btn-line{background:transparent;border-color:rgba(247,245,241,.35);color:var(--on-dark)}
.btn-line:hover{border-color:var(--on-dark);background:rgba(247,245,241,.08);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- 标签徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:.78rem;font-weight:650;line-height:1.6;border:1px solid transparent;white-space:nowrap;
}
.tag-accent{background:rgba(232,74,28,.10);color:var(--accent-deep)}
.tag-support{background:rgba(24,181,140,.12);color:var(--support-deep)}
.tag-warn{background:rgba(245,179,1,.16);color:var(--warn-deep)}
.tag-ink{background:var(--ink);color:var(--on-dark)}
.tag-line{background:transparent;border-color:var(--border);color:var(--muted)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--muted);margin-bottom:22px}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:#C3BFB6}
.crumb .current{color:var(--ink);font-weight:650}

/* ---------- 卡片 ---------- */
.card-x{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card-pad{padding:28px 30px}
.topline{position:relative;overflow:hidden}
.topline::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent)}

/* ---------- Hero ---------- */
.hero{padding:64px 0 84px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-visual{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1);min-height:340px}
.hero-visual img{width:100%;height:100%;min-height:340px;object-fit:cover}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,18,20,.18) 0%,rgba(17,18,20,.72) 100%);
}
.hero-visual::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent)}
.hero-float{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  background:rgba(17,18,20,.72);border:1px solid rgba(247,245,241,.16);
  border-radius:var(--radius-md);padding:18px 20px;color:var(--on-dark);backdrop-filter:blur(6px);
}
.hero-float strong{display:block;font-size:1.02rem;font-weight:700;margin:10px 0 4px}
.hero-float p{font-size:.85rem;color:var(--on-dark-muted);line-height:1.65;margin:0}
.hero-stat{display:flex;gap:32px;flex-wrap:wrap;margin-top:38px;padding-top:26px;border-top:1px solid var(--border)}
.hero-stat div{min-width:110px}
.hero-stat b{display:block;font-size:1.35rem;font-weight:750;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.hero-stat span{font-size:.82rem;color:var(--muted)}

/* ---------- 自助入口 ---------- */
.self-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:32px;align-items:stretch}
.self-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1)}
.self-visual img{height:100%;min-height:300px;object-fit:cover}
.self-visual-cap{
  position:absolute;left:18px;bottom:18px;right:18px;background:rgba(255,255,255,.94);
  border-radius:var(--radius-sm);padding:14px 16px;font-size:.85rem;color:#3A3A3F;border:1px solid var(--border);
}
.step-list{display:flex;flex-direction:column;gap:14px}
.step-item{display:flex;gap:18px;padding:22px 24px;align-items:flex-start}
.step-no{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:750;font-size:.9rem;font-variant-numeric:tabular-nums;
  background:rgba(232,74,28,.10);color:var(--accent-deep);
}
.step-item h3{margin-bottom:6px}
.step-item p{font-size:.9rem;color:var(--muted);line-height:1.75}

/* ---------- 主题标签 ---------- */
.topic-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- FAQ 布局 ---------- */
.faq-layout{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start}
.faq-side{position:sticky;top:104px}
.side-card{padding:26px 26px 22px}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:.92rem;font-weight:600;color:#3A3A3F;
}
.side-list a:hover{background:rgba(232,74,28,.08);color:var(--accent-deep)}
.side-list a span{color:#C3BFB6;font-size:.8rem}
.side-hint{margin-top:18px;padding-top:18px;border-top:1px solid var(--border);font-size:.85rem;color:var(--muted);line-height:1.7}
.faq-group{margin-bottom:38px}
.faq-group:last-child{margin-bottom:0}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.faq-group-head .idx{
  font-size:.78rem;font-weight:750;color:var(--accent-deep);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.faq .accordion-item{border:0;border-bottom:1px solid var(--border);background:transparent}
.faq .accordion-button{
  background:transparent;color:var(--ink);font-weight:650;font-size:1.02rem;
  padding:20px 48px 20px 2px;box-shadow:none;border-radius:0;
}
.faq .accordion-button:hover{color:var(--accent-deep)}
.faq .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.faq .accordion-button::after{
  content:"+";background-image:none;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--border);display:grid;place-items:center;
  font-size:1.05rem;font-weight:600;color:var(--muted);line-height:1;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{
  content:"−";background:var(--accent);color:#FFFFFF;border-color:var(--accent);transform:rotate(180deg);
}
.faq .accordion-body{padding:0 48px 24px 2px;color:var(--muted);font-size:.94rem;line-height:1.85}
.faq .accordion-body strong{color:var(--ink);font-weight:650}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.flow-item{padding:26px 24px;position:relative}
.flow-item .no{
  font-size:.78rem;font-weight:750;letter-spacing:.14em;color:var(--accent-deep);
  font-variant-numeric:tabular-nums;
}
.flow-item h3{margin:12px 0 8px}
.flow-item p{font-size:.9rem;color:var(--muted);line-height:1.75}

/* ---------- 表单 ---------- */
.form-shell{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.form-aside{padding:32px}
.form-aside ul{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.form-aside li{display:flex;gap:10px;font-size:.92rem;color:var(--muted);line-height:1.7}
.form-aside li::before{content:"—";color:var(--accent);font-weight:700;flex:0 0 auto}
.form-panel{padding:34px 34px 30px}
.form-label{font-size:.9rem;font-weight:650;margin-bottom:8px;color:var(--ink)}
.form-control,.form-select{
  height:48px;border-radius:var(--radius-sm);border:1px solid #D8D4CC;background:#FFFFFF;
  font-size:.95rem;color:var(--ink);padding:0 14px;box-shadow:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control::placeholder{color:#A9A5A0}
.form-control:focus,.form-select:focus{border-color:var(--accent);box-shadow:var(--ring);outline:none}
textarea.form-control{height:auto;min-height:132px;padding:13px 14px;line-height:1.75}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px;line-height:1.7}
.form-tip{
  margin-top:18px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(24,181,140,.10);border:1px solid rgba(24,181,140,.28);
  color:var(--support-deep);font-size:.88rem;font-weight:600;line-height:1.7;
}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--dark);color:var(--on-dark);padding:88px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:0;top:0;width:120px;height:3px;background:var(--accent)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:750;line-height:1.2;max-width:620px}
.cta-inner p{color:var(--on-dark-muted);margin-top:14px;font-size:.98rem;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding:72px 0 0;border-top:1px solid #2A2B2F}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.site-footer .brand-name{color:var(--on-dark)}
.site-footer .brand-sub{color:#7C7C82}
.site-footer .brand-mark{background:#242528;color:var(--on-dark)}
.foot-desc{margin-top:18px;font-size:.9rem;color:var(--on-dark-muted);line-height:1.8;max-width:340px}
.foot-col h4{font-size:.95rem;font-weight:700;margin-bottom:18px;letter-spacing:0}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col a{font-size:.9rem;color:var(--on-dark-muted)}
.foot-col a:hover{color:#FFFFFF;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.foot-bar{
  border-top:1px solid #2A2B2F;padding:22px 0;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:.82rem;color:#8A8A90;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .section{padding:80px 0}
  .faq-layout{grid-template-columns:260px 1fr;gap:34px}
}
@media (max-width:991.98px){
  .hero{padding:44px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual,.hero-visual img{min-height:260px}
  .self-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .form-shell{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .section{padding:60px 0}
  .section-sm{padding:48px 0}
  .nav-links{display:none}
  .hero-stat{gap:22px}
  .hero-stat div{min-width:calc(50% - 11px)}
  .hero-actions .btn{width:100%}
  .flow-grid{grid-template-columns:1fr}
  .card-pad{padding:22px}
  .form-panel{padding:24px 22px}
  .form-aside{padding:24px 22px}
  .faq .accordion-body{padding-right:8px}
  .cta-band{padding:64px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .notice-muted,.notice-inner .sep{display:none}
}
@media (max-width:519.98px){
  .wrap{padding:0 16px}
  .brand-sub{display:none}
  .foot-grid{grid-template-columns:1fr}
  .hero-stat div{min-width:100%}
  .foot-bar{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}
.anchor-offset{scroll-margin-top:104px}