/* roulang page: index */
:root{
  --ink:#0C0D10;
  --ink-2:#1A1D22;
  --ink-light:#F2F0EA;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --brand:#E2603D;
  --brand-dark:#C64A2A;
  --brand-soft:#FBEDE8;
  --jade:#1F6F63;
  --jade-soft:#E4EFEC;
  --amber:#E8A93B;
  --text:#14161A;
  --text-2:#5A6068;
  --text-3:#8A9099;
  --line:#E4E1DA;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --sh-card:0 8px 24px rgba(12,13,16,.08);
  --sh-float:0 12px 32px rgba(12,13,16,.16);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Sora","Space Grotesk",system-ui,sans-serif;
  --bs-body-font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#14161A;
  --bs-primary:#E2603D;
  --bs-primary-rgb:226,96,61;
  --bs-link-color:#E2603D;
  --bs-link-hover-color:#C64A2A;
  --bs-border-radius:16px;
  --bs-focus-ring-color:rgba(31,111,99,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:2000}
.skip-link:focus{left:0}
.container-x{max-width:1240px;margin:0 auto;padding:0 20px;width:100%}
@media(min-width:768px){.container-x{padding:0 32px}}
@media(min-width:1200px){.container-x{padding:0 40px}}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1200px){.section{padding:104px 0}}
.section-dark{background:var(--ink);color:var(--ink-light)}
.section-dark h2,.section-dark h3{color:var(--ink-light)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:600;letter-spacing:.18em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block}
.section-dark .eyebrow{color:var(--amber)}
.section-dark .eyebrow::before{background:var(--amber)}
.h1{
  font-size:clamp(34px,5.4vw,64px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.h2{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
.h3{font-size:clamp(19px,2vw,24px);font-weight:600;line-height:1.4}
.lead-text{font-size:17px;line-height:1.85;color:var(--text-2);max-width:62ch}
.section-dark .lead-text{color:rgba(242,240,234,.72)}
.sec-head{margin-bottom:40px}
@media(min-width:1200px){.sec-head{margin-bottom:56px}}
.sec-head .h2{margin-top:14px}
.sec-head .lead-text{margin-top:16px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- 导航 ---------- */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:1050;padding:12px 0;transition:padding .25s ease}
.nav-shell{
  max-width:1160px;margin:0 auto;height:64px;padding:0 12px 0 18px;
  display:flex;align-items:center;gap:18px;border-radius:999px;
  background:transparent;border:1px solid transparent;
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-nav.is-solid .nav-shell{
  background:rgba(247,245,240,.78);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-color:rgba(12,13,16,.07);
  box-shadow:0 6px 22px rgba(12,13,16,.08);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--brand);
  display:inline-block;position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px 9px;border-radius:3px;
  border:2px solid rgba(255,255,255,.9);border-bottom-color:transparent;border-right-color:transparent;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text);white-space:nowrap}
.site-nav.is-top .brand-text{color:var(--ink-light)}
.site-nav.is-top .nav-shell{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.mnav{display:flex;align-items:center;gap:4px;margin-left:auto}
.mnav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--text-2);transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.mnav-link:hover{color:var(--text);background:rgba(12,13,16,.05)}
.mnav-link.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.site-nav.is-top .mnav-link{color:rgba(242,240,234,.78)}
.site-nav.is-top .mnav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.site-nav.is-top .mnav-link.active{color:#fff;background:rgba(226,96,61,.9)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;
}
.btn-pill:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(198,74,42,.28)}
.btn-pill:active{transform:translateY(0)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:16px;font-weight:600;
  background:var(--brand);color:#fff;border:1px solid var(--brand);cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(198,74,42,.26)}
.btn-main:active{transform:translateY(0)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:16px;font-weight:600;
  background:transparent;color:var(--text);border:1.5px solid var(--ink);cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline:hover{background:var(--ink);color:var(--ink-light);transform:translateY(-2px)}
.section-dark .btn-outline{color:var(--ink-light);border-color:rgba(242,240,234,.6)}
.section-dark .btn-outline:hover{background:var(--ink-light);color:var(--ink)}
.btn-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 30px;border-radius:10px;font-size:16px;font-weight:600;
  background:var(--brand);color:#fff;border:none;cursor:pointer;width:auto;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-submit:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(198,74,42,.24)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  color:var(--brand);position:relative;padding-bottom:3px;
}
.btn-text span.line{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--brand);transform:scaleX(.4);transform-origin:left;transition:transform .18s ease}
.btn-text:hover span.line{transform:scaleX(1)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid rgba(12,13,16,.14);
  background:transparent;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-nav.is-top .nav-toggle{border-color:rgba(255,255,255,.28)}
.site-nav.is-top .nav-toggle span,.site-nav.is-top .nav-toggle span::before,.site-nav.is-top .nav-toggle span::after{background:var(--ink-light)}
@media(max-width:991.98px){
  .mnav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-pill{display:none}
}
.drawer{
  position:fixed;inset:0;z-index:1060;background:rgba(12,13,16,.45);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer.open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--paper);padding:26px 22px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  cursor:pointer;font-size:18px;line-height:1;color:var(--text-2);
}
.drawer-link{
  padding:14px 12px;border-radius:12px;font-size:16px;font-weight:500;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand);font-weight:600}
.drawer .btn-main{margin-top:20px;width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--ink);color:var(--ink-light);
  padding:132px 0 72px;overflow:hidden;
}
@media(min-width:1200px){.hero{padding:170px 0 96px}}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.16}
.hero-grid{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 72% 34%,#000,transparent 68%);
  mask-image:radial-gradient(circle at 72% 34%,#000,transparent 68%);
}
.hero-glow{
  position:absolute;width:520px;height:520px;right:-140px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,96,61,.30),transparent 66%);
  filter:blur(10px);
}
.hero-inner{position:relative;display:grid;gap:48px;align-items:center}
@media(min-width:992px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero h1{color:var(--ink-light);margin-top:18px}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:rgba(242,240,234,.72);max-width:34ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:24px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line-dark)}
.trust-item{font-size:14px;color:rgba(242,240,234,.66);position:relative;padding-left:16px}
.trust-item::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--amber);border-radius:2px}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-dark)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:rgba(12,13,16,.2)}
.hero-chip{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(247,245,240,.9);color:var(--text);border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:600;letter-spacing:.02em;
}

/* ---------- 数据条 ---------- */
.stats{border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 20px}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat-num{font-size:clamp(30px,3.6vw,44px);font-weight:800;color:var(--jade);line-height:1.1}
.stat-num.brand{color:var(--brand)}
.stat-label{margin-top:8px;font-size:14.5px;color:var(--text-2)}

/* ---------- 卖点 ---------- */
.feature-row{
  display:grid;gap:14px 24px;padding:28px 0;border-top:1px solid var(--line);
  transition:transform .22s ease;
}
.feature-row:last-child{border-bottom:1px solid var(--line)}
@media(min-width:992px){.feature-row{grid-template-columns:4fr 7fr;gap:24px 0;padding:34px 0}}
.feature-title{display:flex;align-items:baseline;gap:16px;transition:transform .22s ease}
.feature-row:hover .feature-title{transform:translateX(4px)}
.feature-idx{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--text-3);letter-spacing:.08em}
.feature-row:hover .feature-idx{color:var(--brand)}
.feature-body p{color:var(--text-2);font-size:16px}
.feature-body .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-jade{background:var(--jade-soft);color:var(--jade)}

/* ---------- 演示 ---------- */
.demo-grid{display:grid;gap:40px}
@media(min-width:992px){.demo-grid{grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}}
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-28px;top:8px;width:15px;height:15px;border-radius:50%;background:var(--paper);border:2px solid var(--jade)}
.tl-item h3{font-size:19px;font-weight:600}
.tl-item p{margin-top:8px;color:var(--text-2);font-size:15.5px}
.slider{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff}
.slider-track{display:flex;transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.slider-track img{width:100%;flex:0 0 100%;aspect-ratio:16/10;object-fit:cover}
.slider-dots{display:flex;gap:8px;justify-content:center;margin-top:16px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--line);border:none;padding:0;cursor:pointer;transition:background .2s ease,transform .2s ease}
.dot.active{background:var(--brand);transform:scale(1.25)}
.slider-note{margin-top:16px;font-size:14px;color:var(--text-3);text-align:center}

/* ---------- 证据 ---------- */
.proof-metrics{display:grid;gap:32px;grid-template-columns:1fr;margin-bottom:56px}
@media(min-width:768px){.proof-metrics{grid-template-columns:repeat(3,1fr);gap:24px}}
.proof-metric{padding-left:22px;border-left:1px solid var(--line-dark)}
.proof-metric .n{font-size:clamp(28px,3.4vw,42px);font-weight:800;color:var(--amber);line-height:1.1}
.proof-metric .t{margin-top:10px;font-size:15px;color:rgba(242,240,234,.7)}
.proof-cards{display:grid;gap:24px}
@media(min-width:768px){.proof-cards{grid-template-columns:5fr 4fr;align-items:start}}
.quote{
  border:1px solid var(--line-dark);border-radius:var(--r-card);padding:28px;
  background:rgba(255,255,255,.03);
}
.quote.dark{background:var(--ink-2)}
.quote .q-text{font-size:16px;line-height:1.85;color:rgba(242,240,234,.88)}
.quote .q-foot{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.quote .q-name{font-size:14px;color:rgba(242,240,234,.6)}
.quote .badge-soft{background:rgba(232,169,59,.16);color:var(--amber)}

/* ---------- 服务通道 ---------- */
.plan-main{
  background:#fff;border:1.5px solid var(--brand);border-radius:var(--r-card);
  padding:34px;height:100%;position:relative;
}
.plan-main .plan-badge{
  position:absolute;top:-13px;left:34px;background:var(--brand);color:#fff;
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:999px;letter-spacing:.04em;
}
.plan-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
}
.plan-side + .plan-side{margin-top:20px}
.plan-name{font-size:22px;font-weight:700}
.plan-for{margin-top:8px;font-size:14.5px;color:var(--text-3)}
.plan-list{margin:20px 0 26px;display:grid;gap:11px}
.plan-list li{display:flex;gap:10px;font-size:15.5px;color:var(--text-2)}
.plan-list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:50%;
  background:var(--jade-soft);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M1.5 5.2l2 2 5-4.4' fill='none' stroke='%231F6F63' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}

/* ---------- 表单 ---------- */
.form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px}
@media(min-width:768px){.form-wrap{padding:38px}}
.form-grid{display:grid;gap:20px}
@media(min-width:768px){.form-grid.two{grid-template-columns:1fr 1fr}}
.field-label{display:block;font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.form-control-x{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;font-size:15.5px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control-x::placeholder{color:var(--text-3)}
.form-control-x:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(226,96,61,.14)}
.form-control-x.is-error{border-color:var(--brand);background:#FFF9F7}
select.form-control-x{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%235A6068' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:42px}
.err-msg{display:none;margin-top:7px;font-size:13px;color:var(--brand)}
.err-msg.show{display:block}
.form-note{margin-top:16px;font-size:13.5px;color:var(--text-3)}
.form-ok{
  display:none;margin-top:18px;padding:14px 18px;border-radius:var(--r-input);
  background:var(--jade-soft);color:var(--jade);font-size:14.5px;font-weight:500;
}
.form-ok.show{display:block}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;
}
.faq-accordion .accordion-button{
  font-size:17px;font-weight:600;color:var(--text);background:#fff;
  padding:20px 22px;box-shadow:none;border-radius:var(--r-card);gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand);background:#fff;box-shadow:none;border-left:3px solid var(--brand);
}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 2px rgba(31,111,99,.35);z-index:3}
.faq-accordion .accordion-button::after{
  flex:0 0 auto;width:26px;height:26px;background-image:none;background-color:var(--jade-soft);
  border-radius:999px;display:grid;place-items:center;content:"＋";
  color:var(--jade);font-size:14px;line-height:1;transition:background-color .2s ease,color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"－";background-color:var(--brand-soft);color:var(--brand);
}
.faq-accordion .accordion-body{padding:0 22px 22px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ---------- 最新信息 ---------- */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card);border-color:rgba(226,96,61,.3)}
.news-card-media{overflow:hidden}
.news-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-card-media img{transform:scale(1.03)}
.news-card-body{padding:24px}
.news-card-title{margin-top:14px;font-size:21px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.news-card:hover .news-card-title{color:var(--brand)}
.news-card-desc{margin-top:12px;color:var(--text-2);font-size:15.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-desc:empty{display:none}
.news-card-meta{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.news-mini-list{display:grid;gap:16px;height:100%}
.news-mini{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.news-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-card);border-color:rgba(226,96,61,.3)}
.news-mini-link{display:grid;grid-template-columns:112px 1fr;gap:18px;padding:16px;align-items:center}
.news-mini-thumb{border-radius:12px;overflow:hidden}
.news-mini-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover}
.news-mini h3{margin-top:10px;font-size:16.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.news-mini:hover h3{color:var(--brand)}
.news-mini p{margin-top:8px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini p:empty{display:none}
.news-mini .meta{margin-top:10px;font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:10px}
.arrow-move{display:inline-block;transition:transform .2s ease}
.news-card:hover .arrow-move,.news-mini:hover .arrow-move{transform:translateX(4px)}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state svg{margin:0 auto 16px;display:block}
.empty-state p{font-size:14.5px;color:var(--text-3)}
.empty-state .btn-outline{margin-top:20px;font-size:15px;padding:11px 22px}
@media(max-width:575.98px){
  .news-mini-link{grid-template-columns:1fr;gap:12px}
  .news-mini-thumb img{aspect-ratio:16/9}
}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);color:var(--ink-light);text-align:center;padding:64px 0}
@media(min-width:1200px){.cta-band{padding:88px 0}}
.cta-band h2{color:var(--ink-light);max-width:22ch;margin:0 auto}
.cta-band .btn-main{margin-top:30px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:600;font-size:15px;
  box-shadow:var(--sh-float);opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
}
.float-cta:hover{background:var(--brand-dark);color:#fff}
.float-cta.show{opacity:1;pointer-events:auto;transform:none}
@media(max-width:767.98px){
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    height:56px;padding:0;transform:translateY(100%);
  }
  .float-cta.show{transform:none}
  body{padding-bottom:56px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,240,234,.7);padding:64px 0 28px}
@media(min-width:1200px){.site-footer{padding:80px 0 32px}}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media(min-width:576px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:var(--ink-light)}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:8px}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(242,240,234,.6);max-width:34ch}
.footer-title{font-size:14px;font-weight:600;color:var(--ink-light);letter-spacing:.06em;margin-bottom:16px}
.footer-list{display:grid;gap:11px}
.footer-list a{font-size:14.5px;color:rgba(242,240,234,.65)}
.footer-list a:hover{color:var(--amber)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,240,234,.5);
}
.footer-bottom .domain{font-family:var(--font-num);letter-spacing:.04em}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#0C0D10;
  --ink-2:#1A1D22;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --brand:#E2603D;
  --brand-dark:#C64A2A;
  --brand-soft:#FBEDE8;
  --jade:#1F6F63;
  --jade-soft:#E4EFEC;
  --amber:#E8A93B;
  --t1:#14161A;
  --t2:#5A6068;
  --t3:#8A9099;
  --inverse:#F2F0EA;
  --line:#E4E1DA;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --sh-card:0 8px 24px rgba(12,13,16,.08);
  --sh-float:0 12px 32px rgba(12,13,16,.16);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Sora","Space Grotesk",system-ui,sans-serif;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:-0.01em;}
h1{font-size:clamp(34px,5.4vw,64px);font-weight:800;line-height:1.15;letter-spacing:-0.02em;}
h2{font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1.25;}
h3{font-size:clamp(19px,2vw,24px);font-weight:600;line-height:1.4;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;}
.container-x{max-width:1240px;margin:0 auto;padding:0 20px;width:100%;}
@media(min-width:768px){.container-x{padding:0 32px;}}
@media(min-width:1200px){.container-x{padding:0 40px;}}
.eyebrow{
  font-size:12.5px;font-weight:600;letter-spacing:.18em;color:var(--brand-dark);
  text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block;}
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1200px){.section{padding:104px 0;}}
.lead{font-size:17px;color:var(--t2);max-width:760px;}
.muted{color:var(--t2);}
.small{font-size:13px;color:var(--t3);}

/* ===== 头部导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1050;padding:14px 0;transition:padding .25s ease,background .25s ease;}
.site-header.is-stuck{padding:12px 0;}
.mnav-wrap{
  max-width:1160px;margin:0 auto;height:64px;padding:0 12px 0 20px;
  display:flex;align-items:center;gap:20px;border-radius:999px;
  border:1px solid transparent;background:transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease,height .25s ease;
}
.site-header.is-stuck .mnav-wrap{
  background:rgba(247,245,240,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-color:var(--line);
  box-shadow:var(--sh-card);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:7px;background:var(--brand);position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px 7px auto auto;width:8px;height:8px;background:var(--paper);border-radius:2px;
}
.brand-text{font-size:16px;font-weight:700;color:var(--inverse);letter-spacing:.01em;white-space:nowrap;}
.site-header.is-stuck .brand-text{color:var(--ink);}
.mnav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.mnav-link{
  display:inline-block;padding:8px 14px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:rgba(242,240,234,.78);white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.mnav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.mnav-link.active{color:#fff;background:rgba(226,96,61,.24);}
.site-header.is-stuck .mnav-link{color:var(--t2);}
.site-header.is-stuck .mnav-link:hover{color:var(--ink);background:rgba(12,13,16,.06);}
.site-header.is-stuck .mnav-link.active{color:var(--brand-dark);background:var(--brand-soft);}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;background:var(--brand);color:#fff;
  font-size:14.5px;font-weight:600;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(226,96,61,.32);}
.nav-cta:active{transform:translateY(0);}
.mnav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.site-header.is-stuck .mnav-toggle{border-color:var(--line);background:#fff;color:var(--ink);}
.mnav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.mnav-toggle span::before,.mnav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.mnav-toggle span::before{top:-6px;}
.mnav-toggle span::after{top:6px;}
.drawer{
  position:fixed;inset:0;background:var(--ink);z-index:1060;padding:28px 24px;
  display:flex;flex-direction:column;gap:6px;transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
}
.drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-close{
  align-self:flex-end;width:42px;height:42px;border-radius:999px;border:1px solid var(--line-dark);
  background:transparent;color:var(--inverse);font-size:20px;line-height:1;cursor:pointer;
}
.drawer a{
  display:block;padding:16px 4px;font-size:18px;font-weight:600;color:var(--inverse);
  border-bottom:1px solid var(--line-dark);
}
.drawer a.active{color:var(--brand);}
.drawer .drawer-cta{
  margin-top:24px;text-align:center;background:var(--brand);border:none;border-radius:999px;
  color:#fff;font-weight:600;padding:15px 20px;
}
@media(max-width:991px){
  .mnav,.nav-cta{display:none;}
  .mnav-toggle{display:inline-flex;margin-left:auto;}
  .mnav-wrap{padding:0 8px 0 18px;}
}

/* ===== Hero ===== */
.page-hero{
  position:relative;background:var(--ink);color:var(--inverse);overflow:hidden;
  padding:150px 0 76px;
}
@media(min-width:768px){.page-hero{padding:180px 0 96px;}}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;opacity:.7;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,96,61,.30) 0%,rgba(226,96,61,0) 68%);pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:992px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:64px;}}
.hero-eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.18em;color:rgba(242,240,234,.70);margin-bottom:18px;display:block;}
.page-hero h1{color:#fff;margin-bottom:20px;}
.hero-sub{font-size:17px;color:rgba(242,240,234,.76);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:600;border:none;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(226,96,61,.34);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  border:1.5px solid rgba(242,240,234,.62);color:var(--inverse);font-weight:600;background:transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--inverse);color:var(--ink);transform:translateY(-2px);}
.btn-ghost-dark{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  border:1.5px solid var(--ink);color:var(--ink);font-weight:600;background:transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost-dark:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-dark);
  position:relative;padding-bottom:2px;
}
.link-btn::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.link-btn:hover::after{transform:scaleX(1);}
.hero-trust{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line-dark);padding-top:22px;max-width:620px;}
.hero-trust div{
  flex:1 1 150px;padding-right:20px;margin-right:20px;border-right:1px solid var(--line-dark);
  font-size:14px;color:rgba(242,240,234,.74);line-height:1.6;
}
.hero-trust div:last-child{border-right:none;margin-right:0;padding-right:0;}
.hero-trust strong{display:block;font-size:15px;color:#fff;font-weight:600;margin-bottom:4px;}
@media(max-width:576px){
  .hero-trust div{flex:1 1 100%;border-right:none;border-bottom:1px solid var(--line-dark);padding:0 0 14px;margin:0 0 14px;}
  .hero-trust div:last-child{border-bottom:none;margin-bottom:0;}
}
.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line-dark);}
.hero-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(12,13,16,.20);}

/* ===== 面包屑 ===== */
.crumb{padding:22px 0 0;font-size:13.5px;color:var(--t3);}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--brand-dark);}
.crumb span.sep{margin:0 8px;color:#C6C2B9;}

/* ===== 要点清单 ===== */
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:16px;}
.checklist{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;display:grid;grid-template-columns:1fr;gap:26px;
}
@media(min-width:768px){.checklist{grid-template-columns:repeat(3,1fr);gap:32px;padding:40px 36px;}}
.check-item{display:flex;gap:16px;}
.check-mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:var(--jade-soft);color:var(--jade);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:700;font-size:14px;
}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--t2);line-height:1.75;margin:0;}

/* ===== 图文交替 ===== */
.zigzag{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding:44px 0;border-top:1px solid var(--line);}
.zigzag:first-of-type{border-top:none;padding-top:8px;}
@media(min-width:768px){
  .zigzag{grid-template-columns:1fr 1fr;gap:56px;padding:56px 0;}
}
.zigzag-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:#fff;}
.zigzag-media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.2,1);}
.zigzag-media:hover img{transform:scale(1.03);}
.zigzag-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand);
  display:block;margin-bottom:14px;
}
.zigzag h3{margin-bottom:14px;}
.zigzag p{color:var(--t2);font-size:16px;}
.zigzag ul{list-style:none;margin:18px 0 22px;padding:0;}
.zigzag ul li{
  position:relative;padding-left:20px;margin-bottom:10px;font-size:14.5px;color:var(--t2);
}
.zigzag ul li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--jade);
}
@media(min-width:768px){
  .zigzag--reverse .zigzag-media{order:2;}
}

/* ===== 数据条（深色） ===== */
.stats-band{background:var(--ink);color:var(--inverse);padding:56px 0;}
@media(min-width:1200px){.stats-band{padding:72px 0;}}
.stats-band h2{color:#fff;margin-bottom:12px;}
.stats-band .lead{color:rgba(242,240,234,.72);}
.stats-grid{
  display:grid;grid-template-columns:1fr;gap:28px;margin-top:40px;
  border-top:1px solid var(--line-dark);padding-top:36px;
}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(3,1fr);gap:36px;}}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(34px,4vw,52px);
  font-weight:800;color:var(--brand);line-height:1;margin-bottom:12px;
}
.stat-num small{font-size:16px;font-weight:600;color:rgba(242,240,234,.7);margin-left:6px;}
.stat-item p{font-size:14.5px;color:rgba(242,240,234,.70);margin:0;}

/* ===== FAQ ===== */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  margin-bottom:14px;overflow:hidden;
}
.faq-acc .accordion-button{
  position:relative;background:#fff;color:var(--t1);font-size:17px;font-weight:600;
  padding:20px 56px 20px 24px;box-shadow:none;border-radius:0;line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-dark);background:#fff;box-shadow:none;}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.faq-acc .accordion-button::after{
  background-image:none;content:"";position:absolute;right:24px;top:50%;
  width:12px;height:12px;border-right:2px solid var(--t3);border-bottom:2px solid var(--t3);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease;margin:0;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand);}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--jade);outline-offset:-2px;}
.faq-acc .accordion-body{padding:0 24px 22px;font-size:15.5px;color:var(--t2);line-height:1.85;}

/* ===== CTA 条 ===== */
.cta-band{background:var(--ink-2);color:var(--inverse);padding:64px 0;text-align:center;}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{color:rgba(242,240,234,.72);max-width:640px;margin:0 auto 28px;}
@media(min-width:1200px){.cta-band{padding:88px 0;}}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:600;font-size:14.5px;
  box-shadow:var(--sh-float);opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,background .18s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-dark);color:#fff;}
@media(max-width:767px){
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;padding:0;height:56px;
    box-shadow:0 -8px 24px rgba(12,13,16,.14);
  }
}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(242,240,234,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:576px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand);}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(242,240,234,.62);max-width:320px;margin:0;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14.5px;color:rgba(242,240,234,.66);}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(242,240,234,.5);
}
.footer-bottom .domain{font-family:var(--font-num);letter-spacing:.02em;}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* roulang page: article */
:root{
  --ink:#0C0D10;
  --ink-2:#1A1D22;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --brand:#E2603D;
  --brand-d:#C64A2A;
  --brand-l:#FBEDE8;
  --jade:#1F6F63;
  --jade-l:#E4EFEC;
  --amber:#E8A93B;
  --text:#14161A;
  --text-2:#5A6068;
  --text-3:#8A9099;
  --light:#F2F0EA;
  --line:#E4E1DA;
  --line-d:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-sm:10px;
  --sh-card:0 8px 24px rgba(12,13,16,.08);
  --sh-float:0 12px 32px rgba(12,13,16,.16);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-en:"Sora","Space Grotesk",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.3em}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px}
.container-x{max-width:1240px;margin:0 auto;padding:0 20px}
.num{font-family:var(--font-en);font-variant-numeric:tabular-nums}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:padding .25s ease}
.header-shell{
  max-width:1160px;margin:0 auto;height:64px;padding:0 10px 0 20px;
  display:flex;align-items:center;gap:28px;
  border:1px solid transparent;border-radius:var(--r-pill);
  transition:background-color .28s ease,border-color .28s ease,box-shadow .28s ease,backdrop-filter .28s ease;
}
.site-header.scrolled{padding:12px 0}
.site-header.scrolled .header-shell{
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-color:var(--line);
  box-shadow:0 10px 30px rgba(12,13,16,.08);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--brand);position:relative;flex:0 0 auto;
}
.brand-mark::after{content:"";position:absolute;inset:7px;border:1.5px solid #fff;border-radius:2px;opacity:.9}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--light);white-space:nowrap}
.site-header.scrolled .brand-text{color:var(--text)}
.mnav{display:flex;align-items:center;gap:2px;margin-left:auto}
.mnav-link{
  padding:9px 15px;border-radius:var(--r-pill);font-size:14.5px;font-weight:500;
  color:rgba(242,240,234,.76);white-space:nowrap;transition:background-color .2s ease,color .2s ease;
}
.mnav-link:hover{background:rgba(255,255,255,.12);color:#fff}
.mnav-link.active{background:var(--brand);color:#fff}
.site-header.scrolled .mnav-link{color:var(--text-2)}
.site-header.scrolled .mnav-link:hover{background:rgba(12,13,16,.06);color:var(--text)}
.site-header.scrolled .mnav-link.active{background:var(--brand);color:#fff}
.header-tail{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-burger{
  display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.25);border-radius:var(--r-pill);
  background:transparent;padding:0;position:relative;
}
.nav-burger span{
  display:block;width:18px;height:1.6px;background:var(--light);margin:4px auto;border-radius:2px;transition:.2s;
}
.site-header.scrolled .nav-burger{border-color:var(--line)}
.site-header.scrolled .nav-burger span{background:var(--ink)}
.mobile-drawer{
  position:fixed;inset:0;background:var(--ink);z-index:1200;
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:80px 28px 40px;
  transform:translateX(102%);transition:transform .32s cubic-bezier(.2,.7,.2,1);
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer a{
  color:rgba(242,240,234,.85);font-size:19px;font-weight:600;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a.active{color:var(--brand)}
.drawer-close{
  position:absolute;top:22px;right:22px;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);background:transparent;color:var(--light);font-size:22px;line-height:1;
}
.drawer-foot{margin-top:28px;color:rgba(242,240,234,.42);font-size:13px;letter-spacing:.06em}

/* ---------- 阅读进度 ---------- */
.read-bar{position:fixed;top:0;left:0;height:2px;width:0;background:var(--brand);z-index:1300;transition:width .12s linear}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;
  font-size:15px;font-weight:600;padding:14px 28px;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn-main:hover{background:var(--brand-d);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(226,96,61,.26)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-main.btn-sm{padding:11px 22px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  border-radius:var(--r-pill);font-size:15px;font-weight:600;padding:12.5px 26px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--ink);color:var(--light);transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(242,240,234,.5);color:var(--light)}
.btn-ghost.on-dark:hover{background:var(--light);color:var(--ink)}
.link-underline{position:relative;display:inline-block;font-weight:600;font-size:14.5px;color:var(--text)}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:2px;background:currentColor;
  transform:scaleX(.35);transform-origin:left;transition:transform .18s ease;
}
.link-underline:hover::after{transform:scaleX(1)}
.link-underline:hover{color:var(--brand)}

/* ---------- 徽章 ---------- */
.badge-x{display:inline-flex;align-items:center;border-radius:var(--r-pill);padding:5px 13px;font-size:12px;font-weight:600;line-height:1.6;letter-spacing:.02em}
.badge-brand{background:var(--brand-l);color:var(--brand-d)}
.badge-jade{background:var(--jade-l);color:var(--jade)}
.badge-amber{background:rgba(232,169,59,.14);color:#9A6C10}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;background:var(--ink);color:var(--light);padding:152px 0 78px;overflow:hidden}
.article-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.22;
}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(880px 380px at 78% 10%,rgba(226,96,61,.24),transparent 68%),
             linear-gradient(180deg,rgba(12,13,16,.62),rgba(12,13,16,.94));
}
.article-hero-inner{position:relative;z-index:2;max-width:980px;margin:0 auto;padding:0 20px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,240,234,.58);margin-bottom:22px}
.crumb a{color:rgba(242,240,234,.58)}
.crumb a:hover{color:#fff}
.crumb-sep{opacity:.5}
.crumb-current{color:rgba(242,240,234,.9);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(28px,4.3vw,50px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
  color:#fff;margin-bottom:26px;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding-top:20px;border-top:1px solid var(--line-d);
  font-size:14px;color:rgba(242,240,234,.62);
}
.article-meta .num{color:rgba(242,240,234,.86);font-weight:600}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(242,240,234,.3)}

/* ---------- 正文区 ---------- */
.article-main{background:var(--paper);padding:76px 0 96px}
.article-layout{display:flex;justify-content:center;align-items:flex-start;gap:48px}
.article-toc{
  width:200px;flex:0 0 200px;position:sticky;top:104px;
  border-left:1px solid var(--line);padding-left:18px;
}
.article-toc[hidden]{display:none}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--text-3);margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:10px}
.toc-link{font-size:13.5px;line-height:1.6;color:var(--text-2);transition:color .2s ease,padding-left .2s ease}
.toc-link:hover{color:var(--brand);padding-left:4px}
.article-card{
  width:100%;max-width:760px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px 48px 40px;
}
.article-body{font-size:17px;line-height:1.85;color:#252A31}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);font-weight:700;line-height:1.4;
  margin:44px 0 16px;padding-left:16px;color:var(--ink);scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:1em;background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 12px;color:var(--ink);scroll-margin-top:110px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--ink)}
.article-body p{margin:0 0 1.05em}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.1em}
.article-body li{margin:.42em 0}
.article-body ul li::marker{color:var(--jade)}
.article-body ol li::marker{color:var(--jade);font-weight:600}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--paper);
  border-left:3px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-style:normal;color:#3B4149;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:26px auto;max-width:100%;height:auto;box-shadow:0 4px 18px rgba(12,13,16,.07)}
.article-body figure{margin:26px 0}
.article-body figure img{margin-bottom:10px}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);line-height:1.7}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-d);text-decoration-thickness:2px}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--paper);font-weight:600;color:var(--ink)}
.article-body tbody tr:nth-child(even) td{background:#FCFBF8}
.article-body hr{border:0;border-top:1px solid var(--line);margin:38px 0}
.article-body pre{background:var(--ink);color:#E9E6DF;padding:20px;border-radius:var(--r-sm);overflow:auto;font-size:14.5px;line-height:1.7}
.article-body code{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:.92em}
.article-body pre code{background:none;border:0;padding:0;color:inherit}

.empty-state{text-align:center;padding:58px 16px}
.empty-icon{width:56px;height:56px;margin:0 auto 20px;color:var(--text-3)}
.empty-state h2{font-size:22px;margin-bottom:10px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--text-2);font-size:15.5px;margin-bottom:22px}

.article-foot{
  margin-top:46px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.article-actions{display:flex;flex-wrap:wrap;gap:20px;align-items:center}

/* ---------- 相关栏目 ---------- */
.related{background:var(--paper);padding:0 0 96px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px)}
.sec-eyebrow{font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--text-3);margin-bottom:10px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;gap:16px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card);border-color:rgba(226,96,61,.32)}
.rel-thumb{width:92px;height:72px;flex:0 0 92px;border-radius:12px;overflow:hidden;background:var(--paper)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-info h3{font-size:16.5px;font-weight:600;margin-bottom:6px;transition:color .2s ease}
.rel-card:hover .rel-info h3{color:var(--brand)}
.rel-info p{font-size:13.5px;line-height:1.65;color:var(--text-2);margin:0}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink);color:var(--light);padding:80px 0;text-align:center;border-top:1px solid var(--line-d)}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(242,240,234,.66);font-size:15.5px;max-width:620px;margin:0 auto 30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,240,234,.7);padding:66px 0 28px;border-top:1px solid var(--line-d)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#F2F0EA;font-size:18px;font-weight:700}
.footer-desc{font-size:14.5px;line-height:1.75;color:rgba(242,240,234,.58);max-width:330px;margin:0}
.footer-title{color:#F2F0EA;font-size:13.5px;font-weight:600;letter-spacing:.08em;margin-bottom:18px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14px;color:rgba(242,240,234,.6)}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-d);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(242,240,234,.44);
}
.footer-bottom .domain{font-family:var(--font-en);letter-spacing:.04em}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:900;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--brand);color:#fff;border-radius:var(--r-pill);
  padding:13px 22px;font-size:14.5px;font-weight:600;box-shadow:var(--sh-float);
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,background-color .2s ease;
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta:hover{background:var(--brand-d);color:#fff}
.float-cta svg{width:16px;height:16px}

/* ---------- 进场动画 ---------- */
html.js-ready .reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1)}
html.js-ready .reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-toc{display:none}
  .article-layout{gap:0}
}
@media (max-width:991.98px){
  .mnav{display:none}
  .nav-burger{display:flex;flex-direction:column;align-items:center;justify-content:center}
  .header-shell{gap:16px}
  .article-hero{padding:124px 0 62px}
  .article-main{padding:60px 0 76px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container-x{padding:0 20px}
  .site-header{padding:10px 0}
  .header-shell{height:56px;padding:0 8px 0 14px}
  .brand-text{font-size:15.5px}
  .header-tail .btn-main{display:none}
  .article-hero{padding:104px 0 52px}
  .article-hero h1{font-size:clamp(25px,6.6vw,34px)}
  .crumb-current{max-width:200px}
  .article-card{padding:26px 20px 24px;border-radius:14px}
  .article-body{font-size:16px}
  .article-body h2{margin-top:34px}
  .article-body table{font-size:14.5px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{
    left:0;right:0;bottom:0;justify-content:center;
    border-radius:0;height:56px;padding:0 16px;
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0)}
  .article-main{padding-bottom:96px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#0C0D10;
  --ink-2:#1A1D22;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --brand:#E2603D;
  --brand-dark:#C64A2A;
  --brand-soft:#FBEDE8;
  --jade:#1F6F63;
  --jade-soft:#E4EFEC;
  --amber:#E8A93B;
  --text:#14161A;
  --text-2:#5A6068;
  --text-3:#8A9099;
  --inv:#F2F0EA;
  --line:#E4E1DA;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --sh-hover:0 8px 24px rgba(12,13,16,.08);
  --sh-float:0 12px 32px rgba(12,13,16,.16);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Sora","Space Grotesk",system-ui,-apple-system,sans-serif;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:4px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container-x{padding:0 32px}}
@media(min-width:1200px){.container-x{padding:0 40px}}

/* ============ 头部悬浮胶囊导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;padding:20px 0;transition:padding .28s cubic-bezier(.2,.7,.2,1)}
.site-header.shrunk{padding:12px 0}
.nav-shell{
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:24px;
  padding:0 12px 0 20px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease,backdrop-filter .28s ease;
}
.site-header.shrunk .nav-shell{
  background:rgba(247,245,240,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-color:var(--line);
  box-shadow:0 6px 20px rgba(12,13,16,.07);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--brand);position:relative;display:inline-block}
.brand-mark::after{content:"";position:absolute;left:8px;top:6px;width:5px;height:14px;background:#fff;border-radius:2px}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--inv);transition:color .28s ease}
.site-header.shrunk .brand-text{color:var(--text)}
.mnav{display:flex;align-items:center;gap:4px;margin-left:auto}
.mnav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:rgba(242,240,234,.82);
  transition:color .18s ease,background .18s ease;
}
.mnav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.site-header.shrunk .mnav-link{color:var(--text-2)}
.site-header.shrunk .mnav-link:hover{color:var(--text);background:rgba(12,13,16,.05)}
.mnav-link.active{color:#fff;background:rgba(226,96,61,.20)}
.site-header.shrunk .mnav-link.active{color:var(--brand-dark);background:var(--brand-soft)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-pill{border-radius:999px;padding:11px 22px;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:all .2s ease}
.btn-brand{background:var(--brand);color:#fff;border:1px solid var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(198,74,42,.28)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:999px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--inv);transition:background .28s ease}
.site-header.shrunk .nav-toggle span{background:var(--text)}
.drawer{
  position:fixed;inset:0;z-index:1050;background:var(--ink);color:var(--inv);
  padding:88px 28px 40px;transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .38s cubic-bezier(.2,.7,.2,1),opacity .28s ease,visibility .28s;
}
.drawer.open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-close{position:absolute;top:22px;right:24px;width:44px;height:44px;border-radius:999px;border:1px solid var(--line-dark);color:var(--inv);font-size:18px}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.drawer-list a{padding:16px 4px;font-size:19px;font-weight:600;border-bottom:1px solid var(--line-dark);color:var(--inv)}
.drawer-list a.active{color:var(--brand)}
.drawer-cta{margin-top:28px;width:100%;justify-content:center}
@media(max-width:991.98px){
  .mnav{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-shell{height:56px;background:rgba(12,13,16,.42);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-color:var(--line-dark)}
  .site-header.shrunk .nav-shell{background:rgba(247,245,240,.78)}
}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:var(--inv);padding:172px 0 104px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.26}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,13,16,.72) 0%,rgba(12,13,16,.86) 62%,var(--ink) 100%)}
.hero-glow{position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(226,96,61,.30),transparent 68%);filter:blur(10px)}
.hero-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:74px 74px;opacity:.7}
.hero-inner{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;letter-spacing:.18em;color:var(--amber);text-transform:uppercase;margin-bottom:22px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--amber)}
.hero h1{font-size:clamp(34px,5.4vw,60px);font-weight:800;line-height:1.15;letter-spacing:-.02em;color:#fff;max-width:17ch}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:rgba(242,240,234,.76);max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.btn-outline-light-x{
  border:1.5px solid rgba(242,240,234,.62);color:var(--inv);border-radius:999px;
  padding:13px 26px;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
  transition:all .2s ease;background:transparent;
}
.btn-outline-light-x:hover{background:var(--inv);color:var(--ink);border-color:var(--inv);transform:translateY(-2px)}
.hero-trust{display:flex;flex-wrap:wrap;gap:0;margin-top:52px;border-top:1px solid var(--line-dark);padding-top:24px}
.hero-trust li{position:relative;padding-right:32px;margin-right:32px;font-size:14px;color:rgba(242,240,234,.68)}
.hero-trust li::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:1px;height:16px;background:var(--line-dark)}
.hero-trust li:last-child{padding-right:0;margin-right:0}
.hero-trust li:last-child::after{display:none}
.hero-trust strong{display:block;font-family:var(--font-num);font-size:17px;font-weight:700;color:#fff;letter-spacing:0}
@media(max-width:767.98px){
  .hero{padding:132px 0 72px}
  .hero-trust li{padding-right:20px;margin-right:20px;font-size:13px}
}

/* ============ 通用区块 ============ */
.section{padding:104px 0}
.section-tight{padding:80px 0}
.section-dark{background:var(--ink);color:var(--inv)}
.section-white{background:var(--white)}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.16em;color:var(--jade);text-transform:uppercase;margin-bottom:16px}
.sec-tag::before{content:"";width:18px;height:1.5px;background:var(--jade)}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.25}
.sec-head p{margin-top:18px;color:var(--text-2);font-size:16.5px;max-width:60ch}
.section-dark .sec-head h2{color:#fff}
.section-dark .sec-head p{color:rgba(242,240,234,.7)}
.section-dark .sec-tag{color:var(--amber)}
.section-dark .sec-tag::before{background:var(--amber)}
@media(max-width:991.98px){.section{padding:72px 0}.section-tight{padding:56px 0}.sec-head{margin-bottom:40px}}
@media(max-width:575.98px){.section{padding:56px 0}.section-tight{padding:48px 0}}

/* ============ 时间轴（本页主版式） ============ */
.timeline{position:relative;padding-left:6px}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:34px;width:1px;
  background:linear-gradient(180deg,rgba(226,96,61,.65),rgba(31,111,99,.45) 55%,rgba(31,111,99,0));
}
.tl-item{position:relative;padding:0 0 40px 76px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:-2px;width:48px;height:48px;border-radius:14px;
  background:var(--white);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--brand);
  transition:transform .24s cubic-bezier(.2,.7,.2,1),border-color .24s ease,box-shadow .24s ease;
}
.tl-item:hover .tl-dot{transform:translateY(-3px);border-color:rgba(226,96,61,.5);box-shadow:var(--sh-hover)}
.tl-item h3{font-size:clamp(19px,2vw,23px);font-weight:600}
.tl-item p{margin-top:10px;color:var(--text-2);max-width:64ch}
.tl-meta{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--jade);background:var(--jade-soft);border-radius:999px;padding:5px 12px}
@media(max-width:575.98px){
  .timeline::before{left:17px}
  .tl-item{padding-left:58px}
  .tl-dot{width:36px;height:36px;border-radius:11px;font-size:12.5px}
}

/* ============ 要点清单 + 配图 ============ */
.check-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.check-list{border-top:1px solid var(--line)}
.check-item{display:flex;gap:18px;padding:22px 4px;border-bottom:1px solid var(--line);transition:background .2s ease,padding-left .2s ease}
.check-item:hover{background:rgba(31,111,99,.045);padding-left:12px}
.check-num{flex:0 0 auto;font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--jade);padding-top:5px;min-width:30px}
.check-item h3{font-size:17.5px;font-weight:600}
.check-item p{margin-top:7px;font-size:15.5px;color:var(--text-2)}
.check-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--white)}
.check-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.check-figure:hover img{transform:scale(1.03)}
.check-figure figcaption{padding:18px 22px;font-size:13.5px;color:var(--text-3);border-top:1px solid var(--line)}
.check-side-note{margin-top:22px;background:var(--jade-soft);border-radius:var(--r-card);padding:22px 24px}
.check-side-note strong{display:block;font-size:15.5px;margin-bottom:6px;color:var(--jade)}
.check-side-note p{font-size:14.5px;color:var(--text-2);margin:0}
@media(max-width:991.98px){.check-wrap{grid-template-columns:1fr;gap:36px}}

/* ============ 材料准备 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.prep-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 24px;transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s ease,border-color .24s ease;
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(226,96,61,.32)}
.prep-card .ico{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:16px}
.prep-card h3{font-size:18px;font-weight:600}
.prep-card p{margin-top:8px;font-size:15px;color:var(--text-2)}
.prep-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.prep-card li{position:relative;padding-left:16px;font-size:14.5px;color:var(--text-2)}
.prep-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--jade)}
@media(max-width:767.98px){.prep-grid{grid-template-columns:1fr}}

/* ============ 深色证据区 ============ */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.stat-cell{padding:38px 28px 34px;border-right:1px solid var(--line-dark)}
.stat-cell:last-child{border-right:0}
.stat-num{font-family:var(--font-num);font-size:clamp(34px,4.2vw,52px);font-weight:800;line-height:1;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-num span{font-size:17px;font-weight:600;color:var(--amber);margin-left:6px;letter-spacing:0}
.stat-cell p{margin-top:14px;font-size:14.5px;color:rgba(242,240,234,.66);max-width:30ch}
.quote-row{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:52px;align-items:start}
.quote-card{border:1px solid var(--line-dark);border-radius:var(--r-card);padding:30px 28px;background:rgba(255,255,255,.035)}
.quote-card.offset{grid-column:2;margin-top:34px}
.quote-card.light{background:rgba(255,255,255,.07)}
.quote-card .qx{font-size:26px;color:var(--brand);line-height:1;margin-bottom:14px}
.quote-card blockquote{margin:0;font-size:16px;line-height:1.85;color:rgba(242,240,234,.9)}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-dark);font-size:13.5px;color:rgba(242,240,234,.6)}
.badge-x{border-radius:999px;padding:4px 11px;font-size:12px;font-weight:600;background:rgba(31,111,99,.22);color:#8FD3C6}
.badge-x.alt{background:rgba(226,96,61,.2);color:#F2A88F}
@media(max-width:991.98px){
  .stat-row{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line-dark)}
  .stat-cell:last-child{border-bottom:0}
  .quote-row{grid-template-columns:1fr}
  .quote-card.offset{grid-column:1;margin-top:0}
}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-card)!important;margin-bottom:14px;overflow:hidden;background:var(--white)}
.accordion-button{
  background:var(--white);color:var(--text);font-size:17px;font-weight:600;
  padding:22px 24px 22px 26px;box-shadow:none!important;border-radius:0!important;
  border-left:3px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed){color:var(--text);border-left-color:var(--brand);background:var(--white)}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--text-3);width:auto;height:auto;transition:transform .24s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand)}
.accordion-button:hover{color:var(--brand-dark)}
.accordion-body{padding:0 26px 24px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ============ CTA 条 ============ */
.cta-band{background:var(--ink);color:var(--inv);padding:88px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:clamp(24px,3vw,34px);color:#fff;font-weight:700;max-width:22ch}
.cta-inner p{margin-top:14px;color:rgba(242,240,234,.68);font-size:16px;max-width:48ch}
.btn-lg-x{background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:999px;padding:16px 34px;font-size:15.5px;font-weight:600;display:inline-flex;align-items:center;gap:10px;transition:all .2s ease}
.btn-lg-x:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(198,74,42,.3)}
.btn-lg-x:active{transform:translateY(0);box-shadow:none}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-2);color:rgba(242,240,234,.72);padding:76px 0 30px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800}
.footer-desc{font-size:14.5px;line-height:1.85;max-width:34ch;color:rgba(242,240,234,.6)}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.12em;color:#fff;margin-bottom:18px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:14.5px;color:rgba(242,240,234,.68);transition:color .18s ease,padding-left .18s ease}
.footer-list a:hover{color:var(--brand);padding-left:4px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line-dark);font-size:13.5px;color:rgba(242,240,234,.5)}
.footer-bottom .domain{font-family:var(--font-num);letter-spacing:.04em}
@media(max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media(max-width:575.98px){.footer-grid{grid-template-columns:1fr}}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--brand);color:#fff;border-radius:999px;padding:14px 24px;
  font-size:14.5px;font-weight:600;box-shadow:var(--sh-float);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s cubic-bezier(.2,.7,.2,1),visibility .3s,background .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--brand-dark);color:#fff}
@media(max-width:575.98px){
  .float-cta{right:0;left:0;bottom:0;border-radius:0;justify-content:center;padding:0;height:56px;transform:translateY(56px)}
  .float-cta.show{transform:translateY(0)}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
html{scroll-behavior:smooth}

/* roulang page: category3 */
:root{
  --ink:#0C0D10;
  --ink-2:#1A1D22;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --brand:#E2603D;
  --brand-dark:#C64A2A;
  --brand-soft:#FBEDE8;
  --jade:#1F6F63;
  --jade-soft:#E4EFEC;
  --amber:#E8A93B;
  --text:#14161A;
  --text-2:#5A6068;
  --text-3:#8A9099;
  --inv:#F2F0EA;
  --line:#E4E1DA;
  --line-inv:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow-card:0 8px 24px rgba(12,13,16,.08);
  --shadow-float:0 12px 32px rgba(12,13,16,.16);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-en:"Sora","Space Grotesk",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px}
.num{font-family:var(--font-en);font-variant-numeric:tabular-nums}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  padding:16px 24px 0;
  transition:padding .3s var(--ease);
}
.site-header.is-stuck{padding-top:12px}
.mnav-wrap{
  max-width:1160px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:22px;
  padding:0 12px 0 20px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-stuck .mnav-wrap{
  background:rgba(247,245,240,.78);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-color:var(--line);
  box-shadow:0 8px 24px rgba(12,13,16,.08);
}
.mnav-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  position:relative;display:inline-block;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border:2px solid rgba(255,255,255,.9);
  border-radius:3px;
}
.brand-text{
  font-weight:800;font-size:17px;letter-spacing:-.01em;
  color:var(--inv);white-space:nowrap;
  transition:color .3s var(--ease);
}
.site-header.is-stuck .brand-text{color:var(--ink)}
.mnav{display:flex;align-items:center;gap:4px;margin-left:auto}
.mnav-link{
  position:relative;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;
  color:rgba(242,240,234,.78);
  transition:color .22s var(--ease),background .22s var(--ease);
  white-space:nowrap;
}
.mnav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.mnav-link:hover{color:#fff}
.mnav-link:hover::after,.mnav-link.active::after{transform:scaleX(1)}
.mnav-link.active{color:#fff}
.site-header.is-stuck .mnav-link{color:var(--text-2)}
.site-header.is-stuck .mnav-link:hover{color:var(--ink);background:rgba(12,13,16,.04)}
.site-header.is-stuck .mnav-link.active{color:var(--ink)}
.mnav-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  border:none;cursor:pointer;
  transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-pill:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(226,96,61,.28);color:#fff}
.btn-pill:active{transform:translateY(0);box-shadow:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line-inv);background:rgba(255,255,255,.06);
  align-items:center;justify-content:center;cursor:pointer;color:var(--inv);
}
.site-header.is-stuck .nav-toggle{border-color:var(--line);color:var(--ink);background:transparent}
.drawer{
  position:fixed;inset:0;z-index:1060;background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  padding:80px 32px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer a{
  color:var(--inv);font-size:20px;font-weight:600;padding:14px 0;
  border-bottom:1px solid var(--line-inv);
}
.drawer a.active{color:var(--brand)}
.drawer-close{
  position:absolute;top:22px;right:22px;
  width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line-inv);background:transparent;color:var(--inv);
  font-size:20px;cursor:pointer;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  padding:170px 0 104px;
}
.hero-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.42;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,13,16,.94) 0%,rgba(12,13,16,.78) 48%,rgba(12,13,16,.52) 100%);
}
.hero-grid{
  position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:72px 72px;
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.eyebrow{
  display:inline-block;
  font-size:12.5px;font-weight:600;letter-spacing:.18em;
  color:var(--amber);text-transform:uppercase;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(34px,5.4vw,60px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:#fff;
}
.hero-sub{
  margin-top:20px;
  font-size:clamp(16px,1.6vw,18px);
  color:rgba(242,240,234,.78);
  max-width:620px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn-main{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:600;font-size:16px;
  border:none;cursor:pointer;
  transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(226,96,61,.3);color:#fff}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-line{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;
  border:1.5px solid rgba(242,240,234,.55);
  background:transparent;color:var(--inv);font-weight:600;font-size:16px;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-line:hover{background:var(--inv);color:var(--ink);border-color:var(--inv);transform:translateY(-2px)}
.hero-points{
  display:flex;flex-wrap:wrap;gap:0 28px;margin-top:44px;
  border-top:1px solid var(--line-inv);padding-top:20px;
}
.hero-points span{
  position:relative;padding-left:16px;
  font-size:14px;color:rgba(242,240,234,.72);
}
.hero-points span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:2px;background:var(--jade);
}

/* ---------- 通用板块 ---------- */
.section{padding:110px 0}
.section-tight{padding:88px 0}
.section-head{max-width:720px;margin-bottom:52px}
.eyebrow-dark{color:var(--brand)}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:700;line-height:1.25;
  letter-spacing:-.01em;color:var(--ink);
}
.section-sub{margin-top:16px;color:var(--text-2);font-size:16.5px}
.dark-section{background:var(--ink);color:var(--inv)}
.dark-section h2{color:#fff}
.dark-section .section-sub{color:rgba(242,240,234,.72)}

/* ---------- 导语 ---------- */
.lede{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:44px 48px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:44px;align-items:start;
}
.lede h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;color:var(--ink)}
.lede p{color:var(--text-2);font-size:16.5px}
.lede p + p{margin-top:14px}
.lede-mark{
  width:56px;height:56px;border-radius:14px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  font-size:22px;margin-bottom:20px;
}

/* ---------- 卡片矩阵 ---------- */
.notice-matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.notice-card{
  display:grid;grid-template-columns:168px minmax(0,1fr);gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.notice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(226,96,61,.32)}
.notice-media{
  border-radius:var(--r-img);overflow:hidden;background:var(--paper);
}
.notice-media img{
  width:100%;height:100%;min-height:150px;object-fit:cover;
  transition:transform .4s var(--ease);
}
.notice-card:hover .notice-media img{transform:scale(1.03)}
.notice-body{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.notice-body h3{font-size:19px;font-weight:600;line-height:1.4;color:var(--ink)}
.notice-body p{
  color:var(--text-2);font-size:15px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.badge-x{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-jade{background:var(--jade-soft);color:var(--jade)}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge-amber{background:rgba(232,169,59,.16);color:#9A6A11}
.link-btn{
  position:relative;display:inline-block;margin-top:auto;
  font-size:14px;font-weight:600;color:var(--brand);
  padding-bottom:3px;
}
.link-btn::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.link-btn:hover::after{transform:scaleX(1)}
.link-btn i{margin-left:6px;font-size:12px;transition:transform .24s var(--ease)}
.link-btn:hover i{transform:translateX(4px)}

/* ---------- 要点清单 ---------- */
.checklist-wrap{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:56px;align-items:start;
}
.checklist{display:grid;gap:0}
.checklist li{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  padding:26px 0;border-top:1px solid var(--line);
  transition:background .24s var(--ease);
}
.checklist li:last-child{border-bottom:1px solid var(--line)}
.checklist .cn-num{
  font-family:var(--font-en);font-size:20px;font-weight:700;
  color:var(--jade);letter-spacing:.04em;
}
.checklist h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:6px}
.checklist p{font-size:15.5px;color:var(--text-2)}

/* ---------- 流程 ---------- */
.flow{position:relative;padding-left:36px}
.flow::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;background:var(--line);
}
.flow-item{position:relative;padding:0 0 40px 0}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:-32px;top:8px;
  width:11px;height:11px;border-radius:3px;
  background:var(--paper);border:2px solid var(--jade);
}
.flow-item h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:6px}
.flow-item p{font-size:15.5px;color:var(--text-2);max-width:640px}
.flow-step{
  font-family:var(--font-en);font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--amber);display:block;margin-bottom:8px;
}

/* ---------- 指标区 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;border-top:1px solid var(--line-inv);border-bottom:1px solid var(--line-inv);
  padding:44px 0;
}
.metric{padding:0 8px}
.metric .value{
  font-family:var(--font-en);font-weight:700;font-size:clamp(32px,4vw,46px);
  line-height:1;color:#fff;letter-spacing:-.02em;
}
.metric .value small{font-size:16px;font-weight:600;margin-left:6px;color:rgba(242,240,234,.7)}
.metric .label{margin-top:12px;font-size:14.5px;color:rgba(242,240,234,.68)}
.proof-note{
  margin-top:36px;font-size:15.5px;color:rgba(242,240,234,.72);max-width:760px;
}

/* ---------- FAQ ---------- */
.faq-x{border-top:1px solid var(--line)}
.faq-x .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;
}
.faq-x .accordion-button{
  background:var(--card);color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 26px;border-radius:0;box-shadow:none;
  position:relative;
}
.faq-x .accordion-button::after{
  display:none;
}
.faq-x .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:top;
  transition:transform .24s var(--ease);
}
.faq-x .accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.faq-x .accordion-button:not(.collapsed){color:var(--brand-dark)}
.faq-x .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-x .accordion-button .faq-plus{
  margin-left:auto;font-size:14px;color:var(--text-3);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.faq-x .accordion-button:not(.collapsed) .faq-plus{transform:rotate(45deg);color:var(--brand)}
.faq-x .accordion-body{
  padding:0 26px 24px 26px;color:var(--text-2);font-size:16px;line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);
  padding:96px 0;
}
.cta-band .cta-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28;
}
.cta-band .cta-veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,13,16,.94),rgba(12,13,16,.7));
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:700;color:#fff;line-height:1.3}
.cta-inner p{margin-top:16px;color:rgba(242,240,234,.74);font-size:16.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:600;font-size:15px;
  box-shadow:var(--shadow-float);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s,background .22s var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--brand-dark);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--inv);padding:80px 0 32px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--line-inv);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-desc{color:rgba(242,240,234,.62);font-size:15px;max-width:320px}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(242,240,234,.55);margin-bottom:18px}
.footer-list{display:grid;gap:10px}
.footer-list a{color:rgba(242,240,234,.78);font-size:15px;transition:color .2s var(--ease)}
.footer-list a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:28px;font-size:14px;color:rgba(242,240,234,.55);
}
.footer-bottom .domain{font-family:var(--font-en);letter-spacing:.04em}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container-x{padding:0 32px}
  .section{padding:88px 0}
  .notice-card{grid-template-columns:150px minmax(0,1fr);gap:18px}
}
@media (max-width:991px){
  .mnav{display:none}
  .nav-toggle{display:inline-flex}
  .mnav-actions .btn-pill{display:none}
  .site-header.is-stuck .mnav-wrap{background:rgba(247,245,240,.9)}
  .site-header:not(.is-stuck) .mnav-wrap{background:rgba(12,13,16,.28);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
  .lede{grid-template-columns:1fr;gap:28px;padding:36px 32px}
  .checklist-wrap{grid-template-columns:1fr;gap:36px}
  .notice-matrix{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container-x{padding:0 20px}
  .site-header{padding:12px 14px 0}
  .mnav-wrap{height:56px;padding:0 8px 0 14px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .page-hero{padding:132px 0 76px}
  .hero-points{gap:10px 22px;margin-top:34px}
  .notice-card{grid-template-columns:1fr;padding:16px}
  .notice-media img{min-height:180px}
  .metrics{grid-template-columns:1fr 1fr;gap:28px 16px;padding:34px 0}
  .metric .label{font-size:13.5px}
  .checklist li{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:20px 0}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;
    height:56px;justify-content:center;
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0)}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-main,.hero-cta .btn-line{justify-content:center}
  .metrics{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --ink:#0C0D10;
  --ink-2:#1A1D22;
  --paper:#F7F5F0;
  --white:#FFFFFF;
  --brand:#E2603D;
  --brand-dark:#C64A2A;
  --brand-soft:#FBEDE8;
  --jade:#1F6F63;
  --jade-soft:#E4EFEC;
  --amber:#E8A93B;
  --text:#14161A;
  --text-2:#5A6068;
  --text-3:#8A9099;
  --f2:#F2F0EA;
  --line:#E4E1DA;
  --line-dark:rgba(255,255,255,.12);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-en:"Sora","Space Grotesk",system-ui,sans-serif;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow-card:0 8px 24px rgba(12,13,16,.08);
  --shadow-float:0 12px 32px rgba(12,13,16,.16);
  --sec-pad:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--brand);color:#fff;}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}
@media(min-width:1200px){.container-x{padding-left:40px;padding-right:40px;}}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-en);
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--brand);
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:currentColor;
  display:inline-block;
}
.sec-title{
  font-size:clamp(26px,3.4vw,40px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  margin:14px 0 0;
}
.sec-lead{
  color:var(--text-2);
  font-size:16.5px;
  max-width:720px;
  margin-top:16px;
}
.section{padding:var(--sec-pad) 0;}
@media(max-width:991px){.section{padding:72px 0;}}
@media(max-width:767px){.section{padding:56px 0;}}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  font-size:15.5px;
  padding:14px 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  cursor:pointer;
  white-space:nowrap;
}
.btn-main{background:var(--brand);color:#fff;}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(226,96,61,.28);}
.btn-main:active{transform:translateY(0);}
.btn-line{background:transparent;color:var(--text);border-color:var(--ink);}
.btn-line:hover{background:var(--ink);color:var(--f2);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-main:focus-visible,.btn-line:focus-visible,.btn-ghost:focus-visible{
  outline:2px solid var(--jade);
  outline-offset:2px;
}
.btn-link-x{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  font-size:15px;
  color:var(--brand-dark);
  padding-bottom:3px;
  cursor:pointer;
}
.btn-link-x::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--brand);
  transform:scaleX(.2);
  transform-origin:left;
  transition:transform .18s ease;
}
.btn-link-x:hover::after{transform:scaleX(1);}
.btn-link-x:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:4px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:12px;left:0;right:0;
  z-index:1000;
  padding:0 16px;
}
.nav-shell{
  max-width:1160px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 12px 0 18px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(247,245,240,.78);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-color:rgba(228,225,218,.92);
  box-shadow:0 8px 24px rgba(12,13,16,.08);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand-mark{
  width:22px;height:22px;
  border-radius:6px;
  background:var(--brand);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:2px;
  background:rgba(255,255,255,.9);
}
.brand-text{color:var(--text);}
.mnav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.mnav-link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  padding:9px 14px;
  border-radius:999px;
  color:var(--text-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.mnav-link:hover{color:var(--brand-dark);background:rgba(226,96,61,.08);}
.mnav-link.active{color:var(--brand-dark);font-weight:600;background:var(--brand-soft);}
.mnav-link:focus-visible{outline:2px solid var(--jade);outline-offset:2px;}
.nav-cta{flex:0 0 auto;}
.nav-cta .btn-main{padding:10px 22px;font-size:14.5px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.9);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex:0 0 auto;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.site-header:not(.is-scrolled) .brand-text,
.site-header:not(.is-scrolled) .mnav-link{color:rgba(242,240,234,.86);}
.site-header:not(.is-scrolled) .mnav-link:hover{color:#fff;background:rgba(255,255,255,.1);}
.site-header:not(.is-scrolled) .mnav-link.active{color:#fff;background:rgba(255,255,255,.14);}
.site-header:not(.is-scrolled) .nav-toggle{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.1);}
.site-header:not(.is-scrolled) .nav-toggle span,
.site-header:not(.is-scrolled) .nav-toggle span::before,
.site-header:not(.is-scrolled) .nav-toggle span::after{background:var(--f2);}

.nav-drawer{
  display:none;
  max-width:1160px;
  margin:10px auto 0;
  background:rgba(247,245,240,.96);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:20px;
  padding:14px;
  box-shadow:var(--shadow-card);
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;
  padding:13px 16px;
  border-radius:12px;
  font-size:15.5px;
  color:var(--text);
}
.nav-drawer a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.nav-drawer a:hover{background:rgba(31,111,99,.08);}
.nav-drawer .drawer-cta{margin-top:10px;}
.nav-drawer .drawer-cta .btn-main{width:100%;}

@media(max-width:1099px){
  .mnav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--f2);
  padding:168px 0 96px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.3;
}
.hero-grid-lines{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 70% 30%,rgba(0,0,0,.9),transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 30%,rgba(0,0,0,.9),transparent 72%);
}
.hero-glow{
  position:absolute;
  right:-120px;top:-80px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(226,96,61,.32),transparent 68%);
  filter:blur(10px);
  pointer-events:none;
}
.hero .container-x{position:relative;z-index:2;}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
}
.hero h1{
  font-size:clamp(34px,5.4vw,60px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  margin:20px 0 0;
  color:#fff;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:rgba(242,240,234,.76);
  max-width:520px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.hero .btn-line{border-color:rgba(242,240,234,.42);color:var(--f2);}
.hero .btn-line:hover{background:var(--f2);color:var(--ink);border-color:var(--f2);}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:40px;
  border-top:1px solid var(--line-dark);
  padding-top:20px;
}
.hero-points li{
  font-size:14px;
  color:rgba(242,240,234,.7);
  padding-right:24px;
  margin-right:24px;
  border-right:1px solid var(--line-dark);
  line-height:1.6;
}
.hero-points li:last-child{border-right:none;margin-right:0;padding-right:0;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  border-radius:20px;
  aspect-ratio:16/10;
  object-fit:cover;
  border:1px solid var(--line-dark);
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:20px;
  background:linear-gradient(160deg,rgba(12,13,16,.36),rgba(12,13,16,.08));
  pointer-events:none;
}
.hero-card{
  position:absolute;
  left:-24px;bottom:-26px;
  background:var(--white);
  color:var(--text);
  border-radius:var(--r-card);
  padding:18px 22px;
  box-shadow:var(--shadow-float);
  max-width:250px;
}
.hero-card b{
  display:block;
  font-family:var(--font-en);
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
}
.hero-card span{font-size:13.5px;color:var(--text-2);line-height:1.6;display:block;margin-top:4px;}

@media(max-width:991px){
  .hero{padding:140px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-card{left:16px;bottom:-22px;}
}
@media(max-width:767px){
  .hero{padding:124px 0 64px;}
  .hero-points li{border-right:none;padding-right:0;margin-right:0;width:100%;}
  .hero-points{gap:8px;}
  .hero-card{position:static;margin-top:20px;max-width:100%;box-shadow:var(--shadow-card);}
}

/* ---------- 数据条 ---------- */
.facts{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.facts-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.fact{
  padding:34px 28px;
  border-right:1px solid var(--line);
}
.fact:last-child{border-right:none;}
.fact-num{
  font-family:var(--font-en);
  font-variant-numeric:tabular-nums;
  font-size:clamp(28px,3vw,38px);
  font-weight:700;
  line-height:1.1;
  color:var(--jade);
  letter-spacing:-.02em;
}
.fact-num em{font-style:normal;font-size:.5em;font-weight:600;color:var(--text-3);margin-left:4px;}
.fact-label{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.6;
}
@media(max-width:991px){
  .facts-grid{grid-template-columns:repeat(2,1fr);}
  .fact{border-bottom:1px solid var(--line);}
  .fact:nth-child(2n){border-right:none;}
  .fact:nth-last-child(-n+2){border-bottom:none;}
}
@media(max-width:575px){
  .fact{padding:24px 18px;}
}

/* ---------- 对照表 ---------- */
.matrix-head{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:end;
  margin-bottom:44px;
}
.matrix-legend{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:32px;
  padding:0 20px 14px;
  font-family:var(--font-en);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--text-3);
  border-bottom:1px solid var(--line);
}
.matrix{border-top:1px solid transparent;}
.m-row{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:32px;
  align-items:center;
  min-height:72px;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  transition:background .22s ease,border-color .22s ease;
}
.m-row:hover{background:var(--white);border-left-color:var(--brand);}
.m-key{
  display:flex;
  align-items:baseline;
  gap:12px;
  font-weight:600;
  font-size:17px;
  line-height:1.55;
}
.m-key .m-num{
  font-family:var(--font-en);
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--brand);
  flex:0 0 auto;
}
.m-val{color:var(--text-2);font-size:16px;line-height:1.8;}
.m-val strong{color:var(--text);font-weight:600;}

@media(max-width:991px){
  .matrix-head{grid-template-columns:1fr;gap:20px;align-items:start;}
  .matrix-legend{display:none;}
  .m-row{grid-template-columns:1fr;gap:10px;padding:20px 16px;}
}

/* ---------- 深色清单区 ---------- */
.dark-sec{
  background:var(--ink);
  color:var(--f2);
}
.dark-sec .sec-title{color:#fff;}
.dark-sec .sec-lead{color:rgba(242,240,234,.72);}
.dark-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:64px;
  align-items:start;
}
.dark-note{
  margin-top:32px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:22px 24px;
}
.dark-note p{font-size:15px;color:rgba(242,240,234,.72);line-height:1.8;}
.dark-note .badge-jade{margin-bottom:12px;}
.check-list{border-top:1px solid var(--line-dark);}
.check-item{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  padding:26px 0;
  border-bottom:1px solid var(--line-dark);
  transition:padding-left .24s ease;
}
.check-item:hover{padding-left:8px;}
.check-item .idx{
  font-family:var(--font-en);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  font-weight:600;
  color:var(--amber);
  letter-spacing:.08em;
  padding-top:3px;
}
.check-item h3{
  font-size:18px;
  font-weight:600;
  color:#fff;
  line-height:1.5;
}
.check-item p{
  margin-top:8px;
  font-size:15px;
  color:rgba(242,240,234,.68);
  line-height:1.8;
}
.badge-jade{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  padding:5px 12px;
  border-radius:999px;
  background:var(--jade-soft);
  color:var(--jade);
}
.dark-sec .badge-jade{background:rgba(31,111,99,.28);color:#8FCFC1;}
@media(max-width:991px){
  .dark-grid{grid-template-columns:1fr;gap:40px;}
}

/* ---------- 流程 ---------- */
.flow-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:32px;
  flex-wrap:wrap;
  margin-bottom:48px;
}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(226,96,61,.32);}
.flow-card .step{
  font-family:var(--font-en);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--brand);
}
.flow-card h3{
  font-size:18px;
  font-weight:600;
  margin-top:14px;
  line-height:1.5;
}
.flow-card p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
.flow-card .rule{
  height:2px;
  width:32px;
  background:var(--jade);
  margin-top:18px;
  transition:width .24s ease;
}
.flow-card:hover .rule{width:56px;}
@media(max-width:991px){.flow-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575px){.flow-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:56px;
  align-items:start;
}
.faq-aside p{color:var(--text-2);font-size:15.5px;margin-top:18px;}
.faq-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--white);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  position:relative;
  background:var(--white);
  color:var(--text);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:20px 60px 20px 22px;
  border-radius:14px;
  box-shadow:none;
  width:100%;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand-dark);
  background:var(--white);
  box-shadow:none;
  border-left:3px solid var(--brand);
  padding-left:19px;
}
.faq-acc .accordion-button:focus{
  box-shadow:none;
  border-color:var(--line);
  outline:2px solid var(--jade);
  outline-offset:-2px;
}
.faq-acc .accordion-button::after{
  content:"";
  position:absolute;
  right:24px;
  top:calc(50% - 7px);
  width:9px;height:9px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  transition:transform .24s ease,border-color .24s ease;
  background-image:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
  border-color:var(--brand);
}
.faq-acc .accordion-body{
  padding:0 22px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
  background:var(--white);
}
@media(max-width:991px){.faq-grid{grid-template-columns:1fr;gap:32px;}}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-2);
  color:var(--f2);
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-100px;bottom:-160px;
  width:380px;height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,111,99,.4),transparent 70%);
}
.cta-inner{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:760px;
  margin:0 auto;
}
.cta-inner h2{
  font-size:clamp(24px,3.2vw,36px);
  font-weight:700;
  line-height:1.3;
  color:#fff;
}
.cta-inner p{
  margin-top:16px;
  color:rgba(242,240,234,.72);
  font-size:16px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.cta-band .btn-line{border-color:rgba(242,240,234,.4);color:var(--f2);}
.cta-band .btn-line:hover{background:var(--f2);color:var(--ink);border-color:var(--f2);}
@media(max-width:767px){.cta-band{padding:64px 0;} .cta-actions .btn-main,.cta-actions .btn-line{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(242,240,234,.7);
  padding:72px 0 28px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:#fff;
}
.footer-brand .brand-mark{width:20px;height:20px;}
.footer-desc{
  margin-top:16px;
  line-height:1.85;
  color:rgba(242,240,234,.62);
  max-width:320px;
  font-size:14.5px;
}
.footer-title{
  color:#fff;
  font-weight:600;
  font-size:15px;
  margin-bottom:16px;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{
  color:rgba(242,240,234,.66);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-list a:hover{color:var(--brand);padding-left:4px;}
.footer-list a:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:4px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(242,240,234,.5);
  flex-wrap:wrap;
}
.footer-bottom .domain{font-family:var(--font-en);letter-spacing:.04em;}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media(max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding:56px 0 22px;}
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:900;
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--brand);
  color:#fff;
  font-weight:600;
  font-size:15px;
  padding:14px 24px;
  border-radius:999px;
  box-shadow:var(--shadow-float);
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-dark);color:#fff;}
.float-cta:focus-visible{outline:2px solid var(--jade);outline-offset:3px;}
@media(max-width:767px){
  body{padding-bottom:56px;}
  .float-cta{
    right:0;left:0;bottom:0;
    width:100%;
    height:56px;
    border-radius:0;
    justify-content:center;
    padding:0;
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}