/* roulang page: index */
:root{
  --paper:#F4F1EA;
  --paper-deep:#EDE9DF;
  --surface:#FFFFFF;
  --ink:#0E1512;
  --ink-soft:#4A554F;
  --brand:#12433A;
  --brand-deep:#0B2A24;
  --accent:#E2571F;
  --accent-soft:#FBE7DC;
  --mint:#2FD3A6;
  --line:#DCD7CC;
  --radius-card:18px;
  --radius-block:28px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06),0 8px 24px -12px rgba(14,21,18,.18);
  --shadow-2:0 2px 6px rgba(14,21,18,.08),0 24px 48px -20px rgba(14,21,18,.28);
  --bs-primary:#12433A;
  --bs-body-bg:#F4F1EA;
  --bs-body-color:#0E1512;
  --bs-border-radius:18px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container-x{max-width:1320px;}}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section + .section{border-top:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.2;}
.section-head .lead-line{font-size:15px;color:var(--ink-soft);max-width:520px;margin-top:10px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;padding:0 16px;
  transition:top .25s ease;
}
.nav-shell{
  width:min(1200px,100%);
  height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 12px 0 22px;
  background:rgba(244,241,234,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-1);
  transition:height .25s ease,box-shadow .25s ease;
}
.site-header.is-compact .nav-shell{height:60px;box-shadow:var(--shadow-2);}
.logo{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.logo-text{
  font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em;line-height:1;
}
.logo-tag{
  font-size:12px;font-weight:700;line-height:1;
  color:#fff;background:var(--accent);
  padding:5px 9px;border-radius:var(--radius-pill);
  letter-spacing:.02em;
}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;line-height:1.4;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--accent);
  transition:width .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--brand);font-weight:700;}
.nav-links a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);
  font-weight:700;line-height:1.2;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  text-align:center;
}
.btn-accent{background:var(--accent);color:#fff;padding:13px 24px;font-size:15px;box-shadow:var(--shadow-1);}
.btn-accent:hover,.btn-accent:focus{background:#c94815;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);padding:12px 22px;font-size:15px;}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);
  position:relative;align-items:center;justify-content:center;
  cursor:pointer;transition:transform .25s ease,border-color .2s ease;
}
.nav-burger span{
  position:absolute;left:50%;width:18px;height:2px;background:var(--brand);
  border-radius:2px;transform:translateX(-50%);
  transition:transform .25s ease,opacity .2s ease,top .25s ease;
}
.nav-burger span:nth-child(1){top:15px;}
.nav-burger span:nth-child(2){top:21px;}
.nav-burger span:nth-child(3){top:27px;}
.nav-burger.is-open span:nth-child(1){top:21px;transform:translateX(-50%) rotate(45deg);}
.nav-burger.is-open span:nth-child(2){opacity:0;}
.nav-burger.is-open span:nth-child(3){top:21px;transform:translateX(-50%) rotate(-45deg);}
.mobile-menu{
  position:fixed;top:96px;left:16px;right:16px;z-index:1029;
  display:none;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-2);
  padding:14px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 10px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-radius:12px;
}
.mobile-menu a:hover{background:var(--paper);color:var(--brand);}
.mobile-menu a.is-active{color:var(--brand);background:var(--accent-soft);}
.mobile-menu .mm-cta{margin-top:10px;padding-top:12px;border-top:1px solid var(--line);}
@media (max-width:991.98px){
  .nav-links,.nav-actions .btn-accent{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-shell{padding:0 10px 0 18px;height:64px;}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:140px 0 88px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(680px 420px at 82% 12%,rgba(18,67,58,.10),transparent 70%),
    radial-gradient(520px 380px at 8% 88%,rgba(226,87,31,.08),transparent 72%),
    radial-gradient(rgba(14,21,18,.06) 1px,transparent 1px);
  background-size:auto,auto,22px 22px;
  pointer-events:none;
}
.hero .container-x{position:relative;z-index:1;}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:56px;align-items:center;
  min-height:560px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:7px 16px 7px 12px;
  font-size:13px;font-weight:600;color:var(--ink-soft);
  box-shadow:var(--shadow-1);
}
.hero-badge .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 4px rgba(47,211,166,.18);
}
.hero h1{
  font-size:clamp(34px,5vw,60px);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.02em;
  margin:22px 0 18px;
  max-width:12em;
  color:var(--brand);
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--ink-soft);
  max-width:36em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:0;margin-top:38px;
  border-top:1px solid var(--line);padding-top:24px;
}
.hero-metrics .metric{
  padding:0 26px;border-left:1px solid var(--line);
}
.hero-metrics .metric:first-child{padding-left:0;border-left:none;}
.metric .m-val{
  font-size:24px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric .m-lab{font-size:13px;color:var(--ink-soft);margin-top:2px;}
.hero-visual{position:relative;padding:26px 0 26px 16px;}
.hero-back{
  position:absolute;inset:0 12px 0 0;
  border-radius:var(--radius-block);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.85;
  border:1px solid var(--line);
}
.hero-shot{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transform:rotate(-2deg);
  background:var(--surface);
}
.hero-shot img{width:100%;height:auto;object-fit:cover;}
.hero-float{
  position:absolute;left:-10px;bottom:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-2);
  padding:14px 18px;
  display:flex;align-items:center;gap:14px;
}
.hero-float .score{
  font-size:24px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1;
}
.hero-float .score small{font-size:12px;color:var(--ink-soft);font-weight:600;}
.hero-float .flab{font-size:12px;color:var(--ink-soft);line-height:1.5;}
.hero-float .flab strong{display:block;font-size:13px;color:var(--ink);font-weight:700;}
@media (max-width:991.98px){
  .hero{padding:112px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:0;}
  .hero h1{max-width:none;}
  .hero-visual{padding:0 0 28px 0;}
  .hero-back{inset:16px 0 0 0;}
  .hero-float{left:0;bottom:0;}
  .hero-metrics .metric{padding:0 16px;}
}
@media (max-width:575.98px){
  .hero{padding:100px 0 56px;}
  .hero-metrics{gap:16px;}
  .hero-metrics .metric{border-left:none;padding:0;width:100%;}
  .hero-actions .btn{width:100%;}
}

/* ============ 价值条目 ============ */
.value-grid{display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:start;}
.value-sticky{position:sticky;top:120px;}
.value-sticky h2{font-size:clamp(26px,3vw,34px);font-weight:800;line-height:1.2;margin-top:14px;}
.value-sticky p{font-size:15px;color:var(--ink-soft);margin-top:14px;}
.value-list{border-top:1px solid var(--line);}
.value-item{
  display:grid;grid-template-columns:80px 1fr 24px;
  gap:20px;align-items:start;
  padding:26px 18px;
  border-bottom:1px solid var(--line);
  border-radius:14px;
  transition:transform .2s ease,background .2s ease;
}
.value-item:hover{transform:translateX(4px);background:rgba(251,231,220,.45);}
.value-item .v-num{
  font-size:32px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.value-item h3{font-size:20px;font-weight:700;line-height:1.35;}
.value-item p{font-size:15px;color:var(--ink-soft);margin-top:8px;max-width:46em;}
.value-item .v-arrow{
  color:var(--brand);opacity:.5;align-self:center;
  transition:transform .2s ease,opacity .2s ease;
}
.value-item:hover .v-arrow{transform:translateX(6px);opacity:1;}
@media (max-width:991.98px){
  .value-grid{grid-template-columns:1fr;gap:28px;}
  .value-sticky{position:static;}
}
@media (max-width:575.98px){
  .value-item{grid-template-columns:56px 1fr;gap:14px;padding:22px 12px;}
  .value-item .v-arrow{display:none;}
  .value-item .v-num{font-size:26px;}
}

/* ============ 截图轮播 ============ */
.shot-wrap{position:relative;}
.shot-track{
  display:flex;gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:6px 4px 26px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.shot-track::-webkit-scrollbar{display:none;}
.shot-card{
  flex:0 0 calc((100% - 48px) / 3);
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.shot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,67,58,.3);}
.shot-card .shot-img{aspect-ratio:16/10;overflow:hidden;background:var(--paper-deep);}
.shot-card .shot-img img{width:100%;height:100%;object-fit:cover;}
.shot-card .shot-body{padding:18px 20px 22px;}
.shot-card .shot-idx{font-size:14px;font-weight:700;color:var(--mint);font-variant-numeric:tabular-nums;}
.shot-card h3{font-size:18px;font-weight:700;margin-top:6px;}
.shot-card p{font-size:14px;color:var(--ink-soft);margin-top:6px;}
.shot-ctrl{display:flex;align-items:center;gap:14px;margin-top:6px;}
.shot-btn{
  width:48px;height:48px;border-radius:50%;
  border:1px solid var(--brand);background:transparent;color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.shot-btn:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.shot-progress{
  flex:1;height:3px;border-radius:3px;background:var(--line);overflow:hidden;max-width:280px;
}
.shot-progress span{
  display:block;height:100%;width:0%;background:var(--accent);
  border-radius:3px;transition:width .25s ease;
}
@media (max-width:1199.98px){.shot-card{flex:0 0 calc((100% - 24px) / 2);}}
@media (max-width:767.98px){
  .shot-card{flex:0 0 88%;}
  .shot-btn{display:none;}
  .shot-progress{max-width:none;}
}

/* ============ 规格矩阵 ============ */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.spec-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 28px 8px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.spec-card:hover{border-color:rgba(18,67,58,.32);box-shadow:var(--shadow-1);}
.spec-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.spec-head h3{font-size:20px;font-weight:700;}
.spec-head .status-dot{
  width:9px;height:9px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 4px rgba(47,211,166,.16);margin-left:auto;
}
.spec-list{margin:0;}
.spec-row{
  display:grid;grid-template-columns:110px 1fr;gap:16px;
  padding:14px 0;border-bottom:1px solid var(--line);
  align-items:baseline;
}
.spec-row:last-child{border-bottom:none;}
.spec-row dt{font-size:14px;color:var(--ink-soft);font-weight:500;}
.spec-row dd{
  margin:0;font-size:15px;font-weight:600;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
@media (max-width:991.98px){.spec-grid{grid-template-columns:1fr;}}

/* ============ 评价墙 ============ */
.review-wall{columns:3;column-gap:24px;}
.review-card{
  break-inside:avoid;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  margin-bottom:24px;
  position:relative;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.review-card::before{
  content:"“";
  position:absolute;top:8px;left:16px;
  font-size:48px;line-height:1;color:var(--accent-soft);
  font-family:Georgia,serif;
}
.review-card:hover{transform:translateY(-2px);border-color:rgba(18,67,58,.28);box-shadow:var(--shadow-1);}
.review-card .stars{color:var(--accent);font-size:14px;letter-spacing:2px;margin-top:18px;}
.review-card p{font-size:15px;line-height:1.8;color:var(--ink);margin-top:10px;position:relative;}
.review-meta{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap;}
.review-meta .nick{font-size:14px;font-weight:700;color:var(--brand);}
.tag-pill{
  display:inline-block;font-size:12px;font-weight:600;
  background:var(--paper);color:var(--ink-soft);
  border:1px solid var(--line);
  padding:3px 10px;border-radius:var(--radius-pill);
}
@media (max-width:1199.98px){.review-wall{columns:2;}}
@media (max-width:767.98px){.review-wall{columns:1;}}

/* ============ 最新信息 ============ */
.news-head-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--brand);
}
.news-head-link svg{transition:transform .2s ease;}
.news-head-link:hover{color:var(--accent);}
.news-head-link:hover svg{transform:translateX(5px);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,67,58,.28);}
.news-thumb{
  aspect-ratio:16/9;background:var(--paper-deep);overflow:hidden;position:relative;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-cat{
  align-self:flex-start;
  font-size:13px;font-weight:700;
  background:var(--accent-soft);color:var(--accent);
  padding:3px 11px;border-radius:var(--radius-pill);
}
.news-title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand);}
.news-excerpt{
  font-size:14px;color:var(--ink-soft);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-soft);
  font-variant-numeric:tabular-nums;
}
.news-foot .arrow{color:var(--brand);transition:transform .2s ease;}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}
.news-grid > .news-card:first-child{grid-column:span 2;}
.news-grid > .news-card:first-child .news-thumb{aspect-ratio:16/8;}
@media (min-width:992px){
  .news-grid > .news-card:first-child{flex-direction:row;align-items:stretch;}
  .news-grid > .news-card:first-child .news-thumb{flex:0 0 48%;aspect-ratio:auto;}
  .news-grid > .news-card:first-child .news-body{flex:1;padding:26px 28px;}
  .news-grid > .news-card:first-child .news-title{font-size:22px;-webkit-line-clamp:3;}
  .news-grid > .news-card:first-child .news-excerpt{-webkit-line-clamp:3;font-size:15px;}
}
@media (max-width:1199.98px){.news-grid{grid-template-columns:repeat(2,1fr);}.news-grid > .news-card:first-child{grid-column:span 2;}}
@media (max-width:767.98px){
  .news-grid{grid-template-columns:1fr;}
  .news-grid > .news-card:first-child{grid-column:span 1;}
  .news-grid > .news-card:first-child .news-thumb{aspect-ratio:16/9;}
}
.empty-news{
  border:1.5px dashed var(--line);
  border-radius:var(--radius-card);
  padding:56px 24px;
  text-align:center;
  background:var(--surface);
}
.empty-news .empty-icon{color:var(--brand);opacity:.5;margin-bottom:14px;}
.empty-news p{font-size:15px;color:var(--ink-soft);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-btn{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:none;
  padding:24px 6px;
  font-size:17px;font-weight:700;color:var(--ink);
  text-align:left;cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.faq-btn:hover{color:var(--brand);background:rgba(251,231,220,.28);}
.faq-btn .fi{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .25s ease;
}
.faq-btn .fi::before,.faq-btn .fi::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--accent);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-btn .fi::before{width:14px;height:2px;}
.faq-btn .fi::after{width:2px;height:14px;transition:opacity .2s ease;}
.faq-btn[aria-expanded="true"] .fi{transform:rotate(45deg);}
.faq-answer{
  font-size:15px;line-height:1.8;color:var(--ink-soft);
  max-width:760px;
  padding:0 6px 24px;
}
.faq-item.is-open{background:var(--paper-deep);border-radius:14px;}

/* ============ 下载 CTA ============ */
.cta-block{
  background:var(--brand-deep);
  border-radius:var(--radius-block);
  padding:64px 56px;
  color:#E8EDE9;
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;
}
.cta-block h2{color:#fff;font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.2;}
.cta-block .cta-desc{color:rgba(232,237,233,.78);font-size:15px;margin-top:14px;max-width:30em;}
.cta-meta{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:24px;
  font-size:13px;color:rgba(232,237,233,.66);
  font-variant-numeric:tabular-nums;
}
.cta-meta span strong{color:var(--mint);font-weight:700;}
.cta-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.cta-btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  min-height:64px;
  padding:14px 18px;
  border-radius:16px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:15px;font-weight:700;
  transition:background .18s ease,transform .18s ease,border-color .18s ease;
}
.cta-btn:hover,.cta-btn:focus{
  background:var(--accent);border-color:var(--accent);color:#fff;
  transform:translateY(-2px);
}
.cta-btn small{display:block;font-size:12px;font-weight:500;opacity:.72;}
.cta-btn .cb-txt{text-align:left;line-height:1.3;}
@media (max-width:991.98px){
  .cta-block{grid-template-columns:1fr;padding:44px 28px;gap:32px;border-radius:22px;}
}
@media (max-width:575.98px){
  .cta-actions{grid-template-columns:1fr;}
  .cta-btn{min-height:52px;justify-content:flex-start;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:#E8EDE9;
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{
  font-size:14px;color:rgba(232,237,233,.66);margin-top:14px;max-width:24em;line-height:1.8;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;color:rgba(232,237,233,.72);
  transition:color .18s ease,transform .18s ease;
  display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col .contact-line{
  font-size:14px;color:rgba(232,237,233,.72);line-height:1.9;
  font-variant-numeric:tabular-nums;
}
.footer-col .contact-line strong{color:#fff;font-weight:600;}
.footer-bottom{
  padding-top:24px;
  display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:rgba(232,237,233,.55);line-height:1.7;}
.footer-note{font-size:13px;color:rgba(232,237,233,.5);max-width:640px;}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:52px 0 24px;}
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);}
.reveal.is-in{opacity:1;transform:translateY(0);transition:opacity .5s ease,transform .5s ease;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --paper:#F4F1EA;
  --surface:#FFFFFF;
  --ink:#0E1512;
  --ink-soft:#4A554F;
  --brand:#12433A;
  --brand-deep:#0B2A24;
  --accent:#E2571F;
  --accent-soft:#FBE7DC;
  --mint:#2FD3A6;
  --line:#DCD7CC;
  --radius-card:18px;
  --radius-lg:28px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06),0 8px 24px -12px rgba(14,21,18,.18);
  --shadow-2:0 2px 6px rgba(14,21,18,.08),0 24px 48px -20px rgba(14,21,18,.28);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-bg:#F4F1EA;
  --bs-body-color:#0E1512;
  --bs-primary:#12433A;
  --bs-border-radius:12px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:1030;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.nav-pill{
  pointer-events:auto;position:relative;width:min(1200px,100%);height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 12px 0 24px;border-radius:999px;
  background:rgba(244,241,234,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:height .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-pill{height:60px;box-shadow:var(--shadow-2)}
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--brand);letter-spacing:-.01em}
.logo-text{font-size:19px;font-weight:800;color:var(--brand)}
.logo-tag{display:inline-block;font-size:12px;font-weight:600;line-height:1;padding:5px 9px;border-radius:999px;background:var(--accent);color:#fff;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--brand);padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);border-radius:2px;transition:width .2s ease}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;cursor:pointer}
.btn-accent{background:var(--accent);color:#fff;padding:10px 20px;font-size:15px}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-sm{font-size:14px;padding:9px 18px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.is-open span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-toggle.is-open span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* ---------- 页头 / 面包屑 ---------- */
.page-hero{
  position:relative;padding:148px 0 56px;
  background:
    linear-gradient(180deg,rgba(244,241,234,.94) 0%,rgba(244,241,234,.99) 70%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb-x{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-soft);margin-bottom:26px;flex-wrap:nowrap;overflow:hidden}
.breadcrumb-x a{color:var(--ink-soft)}
.breadcrumb-x a:hover{color:var(--accent)}
.breadcrumb-x .sep{color:#B6B0A3}
.breadcrumb-x .current{color:var(--ink);font-weight:500;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:820px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;line-height:1;padding:7px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}
.article-head h1{
  font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.22;
  letter-spacing:-.02em;color:var(--brand);margin:18px 0 18px;
}
.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:14px;color:var(--ink-soft)}
.article-meta .dot{width:1px;height:13px;background:var(--line);display:inline-block}
.article-meta strong{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 正文 ---------- */
.article-wrap{padding:64px 0 88px}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:#28352F}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:800;line-height:1.35;
  color:var(--brand);margin:44px 0 16px;padding-left:18px;letter-spacing:-.01em;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.42em;width:4px;height:18px;background:var(--accent);border-radius:2px}
.article-body h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--brand);margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;line-height:1.9}
.article-body li{margin-bottom:.4em}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:3px solid var(--brand);
  background:var(--paper);border-radius:0 12px 12px 0;color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-soft);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;overflow:hidden;border-radius:12px;border:1px solid var(--line)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:var(--paper);font-weight:700;color:var(--brand)}
.article-body tr:last-child td{border-bottom:none}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:var(--accent-soft);color:#8E3512;padding:2px 6px;border-radius:6px;
}
.article-body pre{
  background:var(--brand-deep);color:#DDE6E1;border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}

.article-missing{
  max-width:760px;margin:0 auto;padding:48px 32px;text-align:center;
  background:var(--surface);border:1.5px dashed var(--line);border-radius:var(--radius-card);
}
.article-missing p{color:var(--ink-soft);margin:0 0 20px}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent;padding:12px 26px;font-size:15px}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.related-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;color:var(--brand);margin:0;letter-spacing:-.01em}
.link-more{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.link-more span{transition:transform .2s ease}
.link-more:hover span{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,67,58,.3)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--paper)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:18px 20px 22px}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.45;color:var(--brand);margin:0 0 10px}
.rel-body p{font-size:14px;color:var(--ink-soft);line-height:1.7;margin:0}
.rel-foot{margin-top:36px;text-align:center}
.rel-foot .btn-ghost{display:inline-flex}

/* ---------- 下载 CTA ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  background:var(--brand-deep);border-radius:var(--radius-lg);padding:56px 48px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;color:#E8EDE9;
}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:#fff;margin:0 0 12px;letter-spacing:-.01em}
.cta-inner p{font-size:15px;line-height:1.7;color:rgba(232,237,233,.78);margin:0 0 14px;max-width:34em}
.cta-meta{font-size:13px;color:rgba(47,211,166,.9);font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.01em}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.plat-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;height:52px;
  border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:15px;font-weight:600;transition:background .18s ease,transform .18s ease,color .18s ease,border-color .18s ease;
}
.plat-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E8EDE9;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(232,237,233,.62);margin:16px 0 0;max-width:22em}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(232,237,233,.72);display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.contact-line{font-size:14px;line-height:1.9;color:rgba(232,237,233,.72)}
.contact-line strong{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;display:flex;flex-direction:column;gap:8px}
.footer-bottom p{margin:0;font-size:13px;color:rgba(232,237,233,.6)}
.footer-note{font-size:13px;color:rgba(232,237,233,.5);line-height:1.7;max-width:60em}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;display:none;
    background:var(--surface);border:1px solid var(--line);border-radius:20px;
    padding:10px;box-shadow:var(--shadow-2);
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 16px;border-radius:12px;font-size:15px}
  .nav-links a::after{display:none}
  .nav-links a:hover,.nav-links a.is-active{background:var(--accent-soft);color:var(--accent)}
  .nav-toggle{display:flex}
  .nav-pill{padding-right:12px}
  .cta-inner{grid-template-columns:1fr;padding:44px 32px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{padding:128px 0 48px}
  .article-wrap{padding:52px 0 68px}
  .related,.cta-band{padding-bottom:72px}
}
@media (max-width:767.98px){
  .related-grid{grid-template-columns:1fr}
  .related-head{flex-direction:column;align-items:flex-start;gap:10px}
  .breadcrumb-x .current{max-width:170px}
  .article-meta{font-size:13px;gap:10px}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px}
  .site-header{padding:0 12px;top:12px}
  .nav-pill{height:64px;padding-left:18px}
  .nav-actions{display:none}
  .logo-text{font-size:17px}
  .page-hero{padding:112px 0 40px}
  .article-wrap{padding:44px 0 60px}
  .cta-inner{padding:36px 22px}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .article-body{font-size:15.5px}
  .article-missing{padding:36px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --paper:#F4F1EA;
  --surface:#FFFFFF;
  --ink:#0E1512;
  --ink-soft:#4A554F;
  --brand:#12433A;
  --brand-deep:#0B2A24;
  --accent:#E2571F;
  --accent-soft:#FBE7DC;
  --mint:#2FD3A6;
  --line:#DCD7CC;
  --radius-card:18px;
  --radius-big:28px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06), 0 8px 24px -12px rgba(14,21,18,.18);
  --shadow-2:0 2px 6px rgba(14,21,18,.08), 0 24px 48px -20px rgba(14,21,18,.28);
  --bs-body-bg:#F4F1EA;
  --bs-body-color:#0E1512;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-primary:#12433A;
  --bs-primary-rgb:18,67,58;
  --bs-link-color:#12433A;
  --bs-link-hover-color:#E2571F;
  --bs-border-radius:.75rem;
  --bs-border-color:#DCD7CC;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 导航 ============ */
.site-head{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1030;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:min(1200px, 100% - 32px);
  min-height:72px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 14px 10px 22px;
  border-radius:999px;
  background:rgba(244,241,234,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:min-height .25s ease, box-shadow .25s ease, background .25s ease;
}
.site-head.is-scrolled .nav-shell{
  min-height:60px;
  box-shadow:var(--shadow-2);
  background:rgba(244,241,234,.94);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  text-decoration:none;
}
.logo-text{
  font-size:20px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:-0.02em;
  line-height:1;
}
.logo-tag{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:#fff;
  background:var(--accent);
  border-radius:999px;
  padding:3px 9px;
  line-height:1.4;
  letter-spacing:.04em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--brand);
  padding:6px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background:var(--accent);
  border-radius:2px;
  transition:width .22s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{font-weight:700;}
.nav-links a.is-active::after{width:100%;}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:8px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  line-height:1.2;
  padding:12px 22px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  text-align:center;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.btn-primary:hover{
  background:#c94814;
  border-color:#c94814;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{
  background:var(--brand);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--brand);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:transform .25s ease, background .2s ease;
}
.nav-toggle svg{width:20px;height:20px;}
.nav-toggle.is-open{transform:rotate(45deg);background:var(--accent-soft);}
.nav-drawer{
  display:none;
  pointer-events:auto;
  position:fixed;
  top:96px;
  left:16px;
  right:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-2);
  padding:14px;
  z-index:1029;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;
  padding:12px 14px;
  line-height:24px;
  border-radius:12px;
  font-size:16px;
  font-weight:600;
  color:var(--brand);
}
.nav-drawer a:hover{background:var(--paper);color:var(--accent);}
.nav-drawer a.is-active{background:var(--accent-soft);color:var(--accent);}
.nav-drawer .btn{width:100%;margin-top:10px;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:120px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-soft);
}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:#B6B0A3;}
.crumb .current{color:var(--brand);font-weight:700;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  margin-top:24px;
  padding:56px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.10;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(18,67,58,.10) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  z-index:0;
}
.page-hero .container-x{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  border-radius:999px;
  padding:6px 14px;
  letter-spacing:.02em;
}
.badge-pill .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(47,211,166,.22);
}
.page-hero h1{
  font-size:clamp(34px,5vw,58px);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-0.02em;
  margin:20px 0 16px;
  color:var(--brand);
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-soft);
  max-width:560px;
  margin-bottom:26px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0;
  margin-top:32px;
}
.metric{
  padding:0 22px;
  border-left:1px solid var(--line);
}
.metric:first-child{padding-left:0;border-left:none;}
.metric .v{
  font-size:22px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric .k{margin-top:2px;font-size:13px;color:var(--ink-soft);}
.hero-visual{position:relative;}
.hero-visual .main-shot{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
  transform:rotate(-2deg);
  border:1px solid rgba(220,215,204,.9);
  background:var(--surface);
}
.hero-visual .main-shot img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/3;}
.hero-visual .float-card{
  position:absolute;
  left:-16px;
  bottom:-22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 18px;
  box-shadow:var(--shadow-1);
  display:flex;
  align-items:center;
  gap:12px;
}
.hero-visual .float-card .score{
  font-size:24px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.hero-visual .float-card .score small{font-size:12px;color:var(--ink-soft);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,36px);
  font-weight:800;
  line-height:1.25;
}
.section-head .sub{
  font-size:15px;
  color:var(--ink-soft);
  margin-top:8px;
  margin-bottom:0;
  max-width:640px;
}
.hairline{border:0;border-top:1px solid var(--line);margin:0;}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  padding-left:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:88px;
  top:14px;
  bottom:26px;
  width:1px;
  background:linear-gradient(to bottom, var(--line) 0%, var(--line) 88%, transparent 100%);
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:120px 1fr;
  gap:40px;
  padding:0 0 36px;
}
.step:last-child{padding-bottom:0;}
.step-num{
  font-size:40px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1;
  padding-top:22px;
  text-align:right;
  letter-spacing:-0.02em;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 30px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,67,58,.3);}
.step-card::before{
  content:"";
  position:absolute;
  left:-41px;
  top:32px;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--surface);
  border:2px solid var(--accent);
  box-shadow:0 0 0 4px var(--paper);
}
.step-card h3{
  font-size:21px;
  font-weight:700;
  line-height:1.35;
  margin-bottom:10px;
}
.step-card p{color:var(--ink-soft);font-size:15.5px;margin-bottom:0;}
.step-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.tag{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 12px;
}
.tag-accent{background:var(--accent-soft);color:var(--accent);border-color:transparent;}
.tag-mint{background:rgba(47,211,166,.14);color:#0E7C60;border-color:transparent;}

/* ============ 准备清单 ============ */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.prep-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
  transition:border-color .2s ease, transform .2s ease;
}
.prep-card:hover{border-color:rgba(18,67,58,.35);transform:translateY(-3px);}
.prep-card .idx{
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  color:var(--mint);
  font-variant-numeric:tabular-nums;
}
.prep-card h3{font-size:19px;font-weight:700;margin:10px 0 10px;}
.prep-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:0;}

/* ============ 图文区块 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-img{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.split-img img{width:100%;height:auto;aspect-ratio:16/11;object-fit:cover;}
.split h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  line-height:1.3;
  margin-bottom:16px;
}
.split p{color:var(--ink-soft);font-size:16px;}
.check-list{margin-top:22px;display:grid;gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15.5px;
  color:var(--ink-soft);
  line-height:1.7;
}
.check-list li .mk{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 规格速查 ============ */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.spec-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:0;
  overflow:hidden;
  transition:border-color .2s ease;
}
.spec-card:hover{border-color:rgba(18,67,58,.3);}
.spec-card .head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 26px;
  border-bottom:1px solid var(--line);
}
.spec-card .head strong{font-size:18px;font-weight:800;color:var(--brand);}
.spec-card .head .st{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--ink-soft);font-weight:600;
}
.spec-card .head .st i{
  width:8px;height:8px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(47,211,166,.2);
  display:inline-block;
}
.spec-card dl{margin:0;padding:6px 26px 18px;}
.spec-card dl .row{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
}
.spec-card dl .row:last-child{border-bottom:none;}
.spec-card dl dt{color:var(--ink-soft);font-weight:500;margin:0;}
.spec-card dl dd{margin:0;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;text-align:right;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-btn{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  background:transparent;
  border:0;
  padding:22px 4px;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  transition:color .18s ease, background .18s ease;
}
.faq-btn:hover{color:var(--accent);}
.faq-btn .ic{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  font-size:17px;
  line-height:1;
  transition:transform .25s ease, background .2s ease, color .2s ease;
}
.faq-btn[aria-expanded="true"]{color:var(--brand);}
.faq-btn[aria-expanded="true"] .ic{
  transform:rotate(45deg);
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.faq-body{
  padding:0 4px 24px;
  max-width:760px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-soft);
}

/* ============ CTA ============ */
.cta-block{
  background:var(--brand-deep);
  border-radius:var(--radius-big);
  padding:64px 48px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  color:#fff;
}
.cta-block h2{
  color:#fff;
  font-size:clamp(26px,3.4vw,38px);
  font-weight:800;
  line-height:1.25;
  margin-bottom:14px;
}
.cta-block p{
  color:rgba(232,237,233,.78);
  font-size:15.5px;
  margin-bottom:20px;
  max-width:460px;
}
.cta-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:13px;
  color:rgba(232,237,233,.62);
  font-variant-numeric:tabular-nums;
}
.dl-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.dl-btn{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:16px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  color:#fff;
  font-size:15px;
  font-weight:700;
  transition:background .2s ease, transform .18s ease, border-color .2s ease, box-shadow .18s ease;
}
.dl-btn span.small{
  display:block;
  font-size:12px;
  font-weight:500;
  color:rgba(232,237,233,.6);
  margin-top:2px;
}
.dl-btn:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.dl-btn:hover span.small{color:rgba(255,255,255,.82);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:#E8EDE9;
  padding:64px 0 28px;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{
  color:rgba(232,237,233,.62);
  font-size:14px;
  margin-bottom:0;
  max-width:240px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  color:rgba(232,237,233,.72);
  font-size:14px;
  transition:color .18s ease, transform .18s ease;
  display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.contact-line{
  font-size:14px;
  line-height:1.9;
  color:rgba(232,237,233,.72);
}
.contact-line strong{color:#fff;font-weight:700;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(232,237,233,.6);}
.footer-note{max-width:640px;line-height:1.7;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out, transform .5s ease-out;}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-grid{gap:36px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-primary{display:none;}
  .nav-shell{padding:10px 12px 10px 18px;justify-content:space-between;}
  .crumb-bar{padding-top:112px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:520px;}
  .hero-visual .float-card{left:8px;bottom:-18px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .prep-grid{grid-template-columns:1fr 1fr;}
  .cta-block{grid-template-columns:1fr;padding:48px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .timeline::before{left:26px;}
  .step{grid-template-columns:1fr;gap:14px;padding-left:60px;padding-bottom:30px;}
  .step-num{position:absolute;left:0;top:6px;padding-top:0;text-align:left;font-size:26px;width:44px;}
  .step-card::before{left:-40px;top:14px;width:10px;height:10px;}
  .step-card{padding:22px 22px;}
  .step-card h3{font-size:19px;}
  .prep-grid{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .hero-btns .btn{width:100%;}
  .hero-metrics{gap:14px 0;}
  .metric{padding:0 16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-block{padding:40px 24px;border-radius:22px;}
  .dl-grid{grid-template-columns:1fr;}
  .dl-btn{padding:15px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:52px 0 24px;margin-top:64px;}
  .page-hero{padding:40px 0 48px;}
}
@media (max-width:519.98px){
  .container-x{padding:0 18px;}
  .crumb-bar{padding-top:104px;}
  .nav-shell{min-height:60px;}
  .logo-text{font-size:18px;}
  .logo-tag{font-size:11px;padding:2px 7px;}
  .hero-visual .float-card{padding:12px 14px;left:0;}
  .cta-block h2{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --paper:#F4F1EA;
  --surface:#FFFFFF;
  --ink:#0E1512;
  --ink-soft:#4A554F;
  --brand:#12433A;
  --brand-deep:#0B2A24;
  --accent:#E2571F;
  --accent-soft:#FBE7DC;
  --mint:#2FD3A6;
  --line:#DCD7CC;
  --r-card:18px;
  --r-big:28px;
  --r-img:16px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06),0 8px 24px -12px rgba(14,21,18,.18);
  --shadow-2:0 2px 6px rgba(14,21,18,.08),0 24px 48px -20px rgba(14,21,18,.28);
  --bs-primary:#12433A;
  --bs-body-bg:#F4F1EA;
  --bs-body-color:#0E1512;
  --bs-border-radius:18px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:1400px){.container-x{max-width:1320px;}}

/* ---------- 导航 ---------- */
.site-nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));
  height:72px;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 14px 0 22px;
  border-radius:var(--r-pill);
  background:rgba(244,241,234,.86);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-nav.is-scrolled{height:60px;box-shadow:var(--shadow-2);background:rgba(246,243,236,.96);}
.logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none;flex-shrink:0;}
.logo-text{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em;line-height:1;}
.logo-tag{font-size:12px;font-weight:700;color:#fff;background:var(--accent);padding:3px 9px;border-radius:var(--r-pill);line-height:1.4;letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:6px;margin:0;}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--brand);
  padding:8px 14px;border-radius:var(--r-pill);
  transition:background .18s ease,color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:not(.is-active):hover{background:var(--accent-soft);}
.nav-links a:not(.is-active):hover::after{transform:scaleX(1);}
.nav-links a.is-active{background:var(--brand);color:#fff;font-weight:700;}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);color:var(--brand);
  font-size:18px;line-height:1;cursor:pointer;align-items:center;justify-content:center;
  transition:transform .25s ease,background .18s ease;
}
.site-nav.is-open .nav-toggle{transform:rotate(45deg);background:var(--accent-soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:15px;
  padding:13px 26px;border:1.5px solid transparent;cursor:pointer;
  text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover,.btn-accent:focus{background:#c94a13;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-soft{background:var(--accent-soft);color:#B33E10;}
.btn-soft:hover{background:var(--accent);color:#fff;transform:translateY(-2px);}
.nav-cta{padding:10px 20px;font-size:15px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:132px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(circle at 78% 22%,rgba(18,67,58,.09),transparent 58%),
                   radial-gradient(rgba(18,67,58,.10) 1px,transparent 1px);
  background-size:auto,22px 22px;
  opacity:.85;
}
.page-hero>.container-x{position:relative;z-index:1;}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);margin-bottom:26px;}
.breadcrumb-x a{color:var(--brand);font-weight:500;}
.breadcrumb-x a:hover{color:var(--accent);}
.breadcrumb-x span[aria-current]{color:var(--ink-soft);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 16px;font-size:13px;font-weight:600;color:var(--brand);
  box-shadow:var(--shadow-1);
}
.tag-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);flex-shrink:0;}
h1{
  font-size:clamp(34px,5vw,60px);
  font-weight:800;line-height:1.12;letter-spacing:-.02em;
  color:var(--ink);margin:20px 0 16px;max-width:12em;
}
.hero-lead{font-size:18px;line-height:1.8;color:var(--ink-soft);max-width:28em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-visual{position:relative;isolation:isolate;}
.hero-visual::before{
  content:"";position:absolute;inset:18px -14px -18px 22px;z-index:-1;
  background:var(--brand);opacity:.10;border-radius:var(--r-big);
}
.hero-visual img{
  width:100%;height:auto;border-radius:20px;
  box-shadow:var(--shadow-2);
  transform:rotate(-1.4deg);
  object-fit:cover;
}

/* ---------- 指标条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-item{padding:28px 20px 28px 0;position:relative;}
.stat-item+.stat-item{padding-left:28px;border-left:1px solid var(--line);}
.stat-num{font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat-num small{font-size:15px;font-weight:700;margin-left:3px;}
.stat-label{font-size:14px;color:var(--ink-soft);margin-top:6px;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section-tight{padding:64px 0 0;}
.section-line{border-top:1px solid var(--line);}
h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ink);}
h3{font-size:20px;font-weight:700;line-height:1.35;color:var(--ink);}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.sec-sub{font-size:16px;color:var(--ink-soft);margin-top:14px;max-width:30em;line-height:1.85;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  font-size:15px;font-weight:700;color:var(--brand);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-more span{transition:transform .2s ease;}
.link-more:hover{color:var(--accent);}
.link-more:hover span{transform:translateX(6px);}

/* ---------- 功能对照 ---------- */
.split{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
.split-aside{position:sticky;top:112px;}
.split-aside p{font-size:15px;color:var(--ink-soft);margin-top:16px;line-height:1.85;}
.feature-row{
  display:grid;grid-template-columns:230px 1fr;gap:28px;align-items:start;
  padding:24px 16px;border-top:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease,box-shadow .2s ease;
}
.feature-row:last-child{border-bottom:1px solid var(--line);}
.feature-row:hover{background:rgba(251,231,220,.45);padding-left:28px;box-shadow:inset 3px 0 0 var(--accent);}
.feature-name{display:flex;align-items:baseline;gap:12px;}
.feature-name .num{
  font-size:15px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;flex-shrink:0;
}
.feature-name h3{font-size:20px;}
.feature-row p{font-size:15px;line-height:1.85;color:var(--ink-soft);}
.inline-shot{margin:32px 0;padding:0;}
.inline-shot img{width:100%;height:auto;border-radius:var(--r-img);box-shadow:var(--shadow-1);}
.inline-shot figcaption{font-size:13px;color:var(--ink-soft);text-align:center;margin-top:12px;}

/* ---------- 设置入口 ---------- */
.setting-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start;}
.setting-copy p{font-size:16px;color:var(--ink-soft);margin-top:16px;line-height:1.9;max-width:26em;}
.setting-list{border-top:1px solid var(--line);}
.setting-list>div{
  display:grid;grid-template-columns:170px 1fr;gap:20px;
  padding:20px 8px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.setting-list>div:hover{background:rgba(251,231,220,.35);}
.setting-list dt{font-size:15px;font-weight:700;color:var(--ink);}
.setting-list dd{font-size:15px;color:var(--ink-soft);font-variant-numeric:tabular-nums;}
.setting-list dd b{color:var(--brand);font-weight:700;}

/* ---------- 更新要点 ---------- */
.update-list{margin-top:36px;border-top:1px solid var(--line);}
.update-item{
  display:grid;grid-template-columns:96px 1fr 110px;gap:24px;align-items:start;
  padding:24px 8px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.update-item:hover{background:rgba(251,231,220,.35);}
.ver{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:64px;height:30px;padding:0 12px;
  border-radius:var(--r-pill);background:#E5F7F1;color:#0C6B54;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}
.update-item h3{font-size:19px;margin-bottom:6px;}
.update-item p{font-size:15px;color:var(--ink-soft);line-height:1.85;}
.update-tag{
  justify-self:end;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 14px;white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-list{border-top:1px solid var(--line);margin-top:36px;}
.faq-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:700;color:var(--ink);text-align:left;line-height:1.5;
  transition:background .18s ease,color .18s ease;
}
.faq-q:hover{background:rgba(251,231,220,.35);color:var(--brand);}
.faq-q:not(.collapsed){background:rgba(251,231,220,.55);color:var(--brand);}
.faq-q::after{display:none;}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--brand);line-height:1;
  transition:transform .25s ease,background .2s ease,border-color .2s ease;
}
.faq-q:not(.collapsed) .faq-icon{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff;}
.faq-a{
  padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--ink-soft);
  max-width:760px;
}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--brand-deep);color:#E8EDE9;
  border-radius:var(--r-big);padding:64px 48px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
}
.cta-block h2{color:#fff;font-size:clamp(26px,3vw,36px);}
.cta-block .cta-desc{font-size:16px;color:rgba(232,237,233,.78);margin-top:14px;line-height:1.85;}
.cta-meta{
  margin-top:22px;font-size:13px;color:rgba(232,237,233,.6);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.cta-platforms{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.cta-platforms a{
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  min-height:70px;padding:12px 20px;border-radius:14px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-weight:700;font-size:16px;
  transition:background .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.cta-platforms a span{font-size:12px;font-weight:500;color:rgba(232,237,233,.62);margin-top:2px;}
.cta-platforms a:hover,.cta-platforms a:focus{
  background:var(--accent);border-color:var(--accent);transform:translateY(-2px);
  box-shadow:0 14px 28px -16px rgba(0,0,0,.7);color:#fff;
}
.cta-platforms a:hover span{color:rgba(255,255,255,.8);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E8EDE9;padding:64px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;color:rgba(232,237,233,.62);margin-top:16px;line-height:1.8;max-width:20em;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(232,237,233,.72);transition:color .18s ease,transform .18s ease;display:inline-block;}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.contact-line{font-size:14px;color:rgba(232,237,233,.72);line-height:2;}
.contact-line strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(232,237,233,.6);margin:0;}
.footer-note{max-width:660px;line-height:1.7;}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .split{grid-template-columns:280px 1fr;gap:40px;}
  .feature-row{grid-template-columns:200px 1fr;}
}
@media(max-width:991px){
  .site-nav{height:64px;padding:0 12px 0 18px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;background:var(--surface);
    border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-2);
  }
  .site-nav.is-open .nav-links{display:flex;}
  .nav-links a{padding:12px 16px;border-radius:12px;line-height:1.5;font-size:15px;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{background:var(--brand);color:#fff;}
  body.nav-locked{overflow:hidden;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual img{transform:none;}
  .hero-visual::before{inset:14px -10px -14px 18px;}
  .split{grid-template-columns:1fr;gap:14px;}
  .split-aside{position:static;}
  .setting-grid{grid-template-columns:1fr;gap:32px;}
  .cta-block{grid-template-columns:1fr;padding:48px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .site-footer{margin-top:72px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-item{padding:22px 16px;}
  .stat-item+.stat-item{border-left:0;}
  .stat-item:nth-child(even){border-left:1px solid var(--line);padding-left:22px;}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line);}
}
@media(max-width:767px){
  .page-hero{padding:112px 0 48px;}
  .hero-lead{font-size:16px;}
  .feature-row{grid-template-columns:1fr;gap:10px;padding:22px 10px;}
  .feature-row:hover{padding-left:16px;}
  .feature-name h3{font-size:18px;}
  .setting-list>div{grid-template-columns:1fr;gap:6px;}
  .update-item{grid-template-columns:76px 1fr;gap:16px;}
  .update-tag{grid-column:2;justify-self:start;margin-top:4px;}
  .cta-block{padding:40px 24px;border-radius:22px;}
  .cta-platforms{grid-template-columns:1fr;}
  .cta-platforms a{min-height:52px;align-items:center;flex-direction:row;justify-content:center;gap:8px;}
  .cta-platforms a span{margin-top:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:12px;}
}
@media(max-width:519px){
  .container-x{padding:0 18px;}
  .nav-cta{padding:9px 16px;font-size:14px;}
  .logo-text{font-size:17px;}
  .hero-actions .btn{width:100%;}
  .stat-num{font-size:28px;}
  .inline-shot{margin:24px 0;}
}
@media(prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category3 */
:root{
  --paper:#F4F1EA;
  --surface:#FFFFFF;
  --ink:#0E1512;
  --ink-soft:#4A554F;
  --brand:#12433A;
  --brand-deep:#0B2A24;
  --accent:#E2571F;
  --accent-soft:#FBE7DC;
  --mint:#2FD3A6;
  --line:#DCD7CC;
  --radius-card:18px;
  --radius-block:28px;
  --shadow-1:0 1px 2px rgba(14,21,18,.06),0 8px 24px -12px rgba(14,21,18,.18);
  --shadow-2:0 2px 6px rgba(14,21,18,.08),0 24px 48px -20px rgba(14,21,18,.28);
  --bs-primary:#12433A;
  --bs-body-bg:#F4F1EA;
  --bs-body-color:#0E1512;
  --bs-border-radius:18px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#12433A;
  --bs-link-hover-color:#E2571F;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:104px;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1320px}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1200px,100% - 32px);
  z-index:1030;
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
  padding:0 12px 0 22px;
  border-radius:999px;
  background:rgba(244,241,234,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:height .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;box-shadow:var(--shadow-2)}
.logo{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}
.logo-text{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em;line-height:1}
.logo-tag{font-size:11px;font-weight:700;color:#fff;background:var(--accent);padding:2px 8px;border-radius:999px;line-height:1.7}
.nav-links{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  padding:6px 0;
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);transition:width .22s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--brand);font-weight:700}
.nav-links a.is-active::after{width:100%;background:var(--brand)}
.nav-cta{
  flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 22px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-cta:hover{background:#c9491a;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.nav-toggle{
  display:none;
  width:44px;height:44px;flex-shrink:0;
  border-radius:50%;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--brand);box-shadow:var(--shadow-1)}
.site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.is-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  margin-top:10px;
  padding:18px;
  border-radius:20px;
  background:rgba(255,255,255,.97);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.site-header.is-open .mobile-panel{display:block}
.mobile-panel nav{display:flex;flex-direction:column}
.mobile-panel nav a{
  display:flex;align-items:center;
  min-height:48px;padding:0 12px;
  font-size:16px;font-weight:500;color:var(--ink);
  border-radius:12px;transition:background .18s ease,color .18s ease;
}
.mobile-panel nav a:hover{background:var(--paper);color:var(--brand)}
.mobile-panel nav a.is-active{color:var(--brand);font-weight:700;background:var(--accent-soft)}
.mobile-panel .btn-accent{display:flex;margin-top:14px;width:100%}

/* ---------- 通用按钮 ---------- */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:16px;font-weight:700;
  border:1px solid var(--accent);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.btn-accent:hover{background:#c9491a;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  background:transparent;color:var(--brand);
  border:1.5px solid var(--brand);font-size:16px;font-weight:700;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}

/* ---------- 面包屑与首屏 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-soft);margin-bottom:26px;
}
.crumb a{color:var(--ink-soft);transition:color .18s ease}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--brand);font-weight:600}

.page-hero{
  position:relative;
  padding:64px 0 84px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(244,241,234,.94),rgba(244,241,234,.98)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:.02em;
  margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mint)}
h1{font-size:clamp(34px,5vw,60px);font-weight:800;line-height:1.12;letter-spacing:-.02em}
.lede{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-soft);max-width:30em}
.hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:32px}
.hero-stats .stat{padding:0 22px;border-left:1px solid var(--line)}
.hero-stats .stat:first-child{padding-left:0;border-left:0}
.stat-num{display:block;font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.stat-label{display:block;font-size:13px;color:var(--ink-soft);margin-top:2px}
.hero-fig{position:relative;margin:0}
.hero-fig img{
  width:100%;border-radius:20px;
  box-shadow:var(--shadow-2);
  transform:rotate(-1.5deg);
  border:1px solid rgba(255,255,255,.7);
}
.hero-note{
  position:absolute;left:-14px;bottom:-18px;
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-1);font-size:13px;color:var(--ink-soft);
}
.hero-note strong{color:var(--brand);font-size:16px;font-variant-numeric:tabular-nums}

/* ---------- 板块 ---------- */
.sec{padding:96px 0;border-top:1px solid var(--line)}
.sec:first-of-type{border-top:0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.2}
.sec-lead{margin-top:14px;font-size:16px;color:var(--ink-soft);max-width:40em}
.tag-line{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.04em;margin-bottom:14px}
.tag-line::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- 规格矩阵双卡 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.spec-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.spec-card:hover{border-color:rgba(18,67,58,.32);box-shadow:var(--shadow-1)}
.spec-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:4px;
}
.spec-head h3{font-size:20px;font-weight:700}
.spec-state{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft)}
.spec-state::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(47,211,166,.16)}
.spec-list{margin:0}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:18px;
  padding:13px 0;border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:0}
.spec-row dt{font-size:14px;color:var(--ink-soft);font-weight:500;margin:0}
.spec-row dd{margin:0;font-size:15px;font-weight:700;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums}
.spec-foot{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-soft);
}

/* ---------- 兼容平台徽章墙 ---------- */
.chip-wall{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 20px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink);
  transition:transform .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1)}
.chip .ver{font-size:13px;font-weight:500;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--mint)}
.chip.is-muted{color:var(--ink-soft);background:#EFEBE2}
.chip.is-muted .dot{background:#B9B2A4}
.chip-note{margin-top:22px;font-size:14px;color:var(--ink-soft);max-width:52em}

/* ---------- 折叠长表 ---------- */
.spec-acc .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
}
.spec-acc .accordion-item:last-child{margin-bottom:0}
.spec-acc .accordion-button{
  background:transparent;
  box-shadow:none;
  border:0;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  border-radius:var(--radius-card);
  transition:background .2s ease,color .2s ease;
}
.spec-acc .accordion-button:not(.collapsed){
  background:var(--accent-soft);
  color:var(--brand);
}
.spec-acc .accordion-button:focus{box-shadow:none;border:0;outline:2px solid var(--accent);outline-offset:-2px}
.spec-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:600;line-height:1;
  color:var(--accent);
  transition:transform .25s ease;
}
.spec-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.spec-acc .accordion-body{padding:6px 24px 26px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px}
table.spec-table{
  width:100%;min-width:600px;border-collapse:collapse;
  font-size:14px;line-height:1.7;
}
table.spec-table thead th{
  background:var(--paper);
  text-align:left;font-weight:700;color:var(--ink);
  padding:12px 14px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.spec-table tbody td{
  padding:12px 14px;border-bottom:1px solid var(--line);
  color:var(--ink-soft);vertical-align:top;
}
table.spec-table tbody td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
table.spec-table tbody td.num{font-variant-numeric:tabular-nums;color:var(--ink)}
table.spec-table tbody tr:last-child td{border-bottom:0}

/* ---------- 画面档位 ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.tier{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 26px 26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tier::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--line)}
.tier.tier-1::before{background:#9FB5AC}
.tier.tier-2::before{background:var(--brand)}
.tier.tier-3::before{background:var(--accent)}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,67,58,.28)}
.tier:nth-child(2){margin-top:26px}
.tier:nth-child(3){margin-top:52px}
.tier-idx{font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.tier h3{font-size:20px;font-weight:700;margin-top:8px}
.tier p{margin-top:10px;font-size:14px;color:var(--ink-soft);line-height:1.8}
.tier-meta{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:8px}
.tier-meta div{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-soft)}
.tier-meta strong{color:var(--brand);font-size:14px;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:22px 44px 22px 0;
  font-size:17px;font-weight:700;color:var(--ink);
  border-radius:0;
  transition:color .2s ease,background .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){background:rgba(244,241,234,.9);color:var(--brand)}
.faq-acc .accordion-button:focus{box-shadow:none;border:0;outline:2px solid var(--accent);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:600;line-height:1;
  color:var(--accent);
  position:absolute;right:8px;top:50%;
  margin-top:-13px;
  transition:transform .25s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-body{
  padding:0 44px 24px 0;
  font-size:15px;line-height:1.8;color:var(--ink-soft);max-width:760px;
}

/* ---------- 下载 CTA ---------- */
.cta-block{
  background:var(--brand-deep);
  border-radius:var(--radius-block);
  padding:64px 48px;
  color:#E8EDE9;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.cta-block h2{color:#fff;font-size:clamp(26px,3.2vw,38px);line-height:1.2}
.cta-block .cta-sub{margin-top:14px;font-size:15px;color:rgba(232,237,233,.78);max-width:24em}
.cta-meta{margin-top:22px;font-size:13px;color:rgba(232,237,233,.62);font-variant-numeric:tabular-nums;line-height:1.9}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cta-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:12px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:15px;font-weight:700;
  transition:background .18s ease,transform .18s ease,border-color .18s ease;
}
.cta-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E8EDE9;margin-top:96px;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(232,237,233,.66);max-width:22em}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{
  display:inline-block;font-size:14px;color:rgba(232,237,233,.72);
  transition:color .18s ease,transform .18s ease;
}
.footer-col ul a:hover{color:var(--accent);transform:translateX(2px)}
.contact-line{font-size:14px;line-height:2;color:rgba(232,237,233,.72)}
.contact-line strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:52px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(232,237,233,.6);
}
.footer-note{max-width:60em;color:rgba(232,237,233,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  body{padding-top:96px}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-shell{height:64px;padding:0 14px 0 18px}
  .site-header.is-scrolled .nav-shell{height:56px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-fig{order:2;max-width:560px}
  .hero-fig img{transform:rotate(-1deg)}
  .hero-note{left:8px;bottom:-14px}
  .sec{padding:72px 0}
  .matrix-grid{grid-template-columns:1fr;gap:20px}
  .tiers{grid-template-columns:1fr;gap:18px}
  .tier:nth-child(2),.tier:nth-child(3){margin-top:0}
  .cta-block{grid-template-columns:1fr;padding:48px 32px;gap:32px}
  .site-footer{margin-top:72px;padding:56px 0 28px}
}
@media (max-width:767px){
  .page-hero{padding:44px 0 64px}
  .sec{padding:56px 0}
  .hero-stats .stat{padding:0 16px}
  .stat-num{font-size:20px}
  .spec-card{padding:22px}
  .spec-row{flex-direction:column;gap:4px}
  .spec-row dd{text-align:left}
  .cta-block{padding:40px 24px;border-radius:22px}
  .cta-grid{grid-template-columns:1fr}
  .cta-btn{min-height:52px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-acc .accordion-button{font-size:16px;padding-right:36px}
  .faq-acc .accordion-body{padding-right:16px}
}
@media (max-width:519px){
  .container-x{padding:0 18px}
  .site-header{width:calc(100% - 20px);top:10px}
  body{padding-top:88px}
  .logo-text{font-size:17px}
  .hero-stats{flex-direction:column;align-items:flex-start;gap:14px}
  .hero-stats .stat{padding:0;border-left:0}
  .tier{padding:24px 20px}
  .cta-block{padding:34px 20px}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .hero-fig img{transform:none}
}

/* roulang page: category4 */
:root{
    --paper:#F4F1EA;
    --surface:#FFFFFF;
    --ink:#0E1512;
    --ink-soft:#4A554F;
    --brand:#12433A;
    --brand-deep:#0B2A24;
    --accent:#E2571F;
    --accent-soft:#FBE7DC;
    --mint:#2FD3A6;
    --line:#DCD7CC;
    --r-card:18px;
    --r-lg:28px;
    --r-pill:999px;
    --shadow-1:0 1px 2px rgba(14,21,18,.06),0 8px 24px -12px rgba(14,21,18,.18);
    --shadow-2:0 2px 6px rgba(14,21,18,.08),0 24px 48px -20px rgba(14,21,18,.28);
    --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    --bs-primary:#12433A;
    --bs-body-bg:#F4F1EA;
    --bs-body-color:#0E1512;
    --bs-border-radius:18px;
    --bs-border-radius-lg:28px;
    --bs-font-sans-serif:var(--font);
    --bs-link-color:#12433A;
    --bs-link-hover-color:#E2571F;
    --bs-body-font-family:var(--font);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:var(--font);font-size:16px;line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--brand);font-weight:800;line-height:1.2;letter-spacing:-.01em}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  a{color:var(--brand);text-decoration:none}
  img{display:block;max-width:100%;height:auto}
  button{font-family:inherit;cursor:pointer}
  input{font-family:inherit}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media (min-width:1400px){.container-x{max-width:1320px}}

  /* ---------- 悬浮胶囊导航 ---------- */
  .site-header{position:fixed;top:16px;left:0;right:0;z-index:1000;display:flex;justify-content:center;padding:0 16px}
  .nav-shell{
    position:relative;display:flex;align-items:center;gap:20px;
    width:min(1200px,100%);height:72px;padding:0 14px 0 22px;
    border-radius:var(--r-pill);border:1px solid var(--line);
    background:rgba(244,241,234,.86);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    box-shadow:var(--shadow-1);
    transition:height .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .site-header.is-scrolled .nav-shell{height:60px;background:rgba(244,241,234,.96);box-shadow:var(--shadow-2)}
  .logo{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
  .logo-text{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em}
  .logo-tag{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:700;line-height:1.6;padding:1px 9px;border-radius:var(--r-pill);letter-spacing:.05em}
  .nav-links{display:flex;align-items:center;gap:26px;margin:0 auto}
  .nav-links a{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;transition:color .2s ease}
  .nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease}
  .nav-links a:hover{color:var(--brand)}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a.is-active{color:var(--brand);font-weight:700}
  .nav-links a.is-active::after{transform:scaleX(1);background:var(--brand)}
  .nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .btn-accent{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:var(--accent);color:#fff;font-size:15px;font-weight:700;
    padding:12px 22px;border:1px solid var(--accent);border-radius:var(--r-pill);
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  }
  .btn-accent:hover{background:#C94A18;border-color:#C94A18;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
  .btn-accent:active{transform:translateY(0)}
  .nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:#fff;
  }
  .nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:background .2s ease}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .nav-toggle[aria-expanded="true"] span{background:transparent}
  .nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

  /* ---------- 内页首屏 ---------- */
  .page-hero{position:relative;padding:148px 0 64px;overflow:hidden;border-bottom:1px solid var(--line)}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    opacity:.18;filter:saturate(.65);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(62% 70% at 18% 0%,rgba(18,67,58,.12),transparent 72%);
  }
  .page-hero .container-x{position:relative;z-index:2}
  .breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);margin-bottom:24px}
  .breadcrumb-x a{color:var(--ink-soft)}
  .breadcrumb-x a:hover{color:var(--accent)}
  .breadcrumb-x .sep{opacity:.55}
  .breadcrumb-x .current{color:var(--brand);font-weight:600}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--accent-soft);color:#8A3413;
    font-size:13px;font-weight:700;letter-spacing:.02em;
    padding:7px 16px;border-radius:var(--r-pill);
    border:1px solid rgba(226,87,31,.18);
  }
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
  h1.page-title{font-size:clamp(34px,5vw,58px);font-weight:800;line-height:1.12;letter-spacing:-.02em;margin:20px 0 0}
  .page-sub{margin-top:16px;max-width:600px;font-size:17px;line-height:1.8;color:var(--ink-soft)}
  .search-panel{
    margin-top:34px;max-width:840px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--r-lg);
    padding:22px;box-shadow:var(--shadow-1);
  }
  .search-bar{
    display:flex;align-items:center;gap:10px;height:56px;
    padding:6px 6px 6px 18px;background:#fff;
    border:1px solid var(--line);border-radius:var(--r-pill);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-bar:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,67,58,.12)}
  .search-bar svg{flex:0 0 auto;color:var(--ink-soft)}
  .search-bar input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:15px;color:var(--ink);line-height:1.6}
  .search-bar input::placeholder{color:#8B958F}
  .search-bar .btn-accent{padding:10px 20px;font-size:14px;flex:0 0 auto}
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
  .tag-pill{
    display:inline-block;font-size:13px;font-weight:600;
    padding:8px 15px;border-radius:var(--r-pill);
    background:var(--accent-soft);color:#8A3413;
    border:1px solid rgba(226,87,31,.18);
    transition:background .18s ease,color .18s ease,transform .18s ease;
  }
  .tag-pill:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-2px)}
  .search-hint{margin-top:14px;font-size:13px;color:var(--ink-soft)}

  /* ---------- 通用板块 ---------- */
  .section{padding:96px 0}
  .section + .section{border-top:1px solid var(--line)}
  .section-head{max-width:720px;margin-bottom:44px}
  .section-head h2{font-size:clamp(26px,3.2vw,38px)}
  .section-head p{margin-top:14px;color:var(--ink-soft);font-size:16px;line-height:1.8}
  .kicker{display:block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:12px;text-transform:uppercase}

  /* ---------- 常见问题折叠 ---------- */
  .faq-wrap{max-width:900px}
  .faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
  .faq-acc .accordion-item:first-of-type{border-top:1px solid var(--line)}
  .faq-acc .accordion-header{margin:0}
  .faq-acc .accordion-button{
    position:relative;display:block;width:100%;
    padding:24px 62px 24px 0;background:transparent;
    font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);
    text-align:left;border:0;border-radius:0;box-shadow:none;
    transition:color .2s ease,background .2s ease;
  }
  .faq-acc .accordion-button:hover{color:var(--brand)}
  .faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:rgba(244,241,234,.7)}
  .faq-acc .accordion-button:focus{box-shadow:none;outline:0}
  .faq-acc .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
  .faq-icon{
    position:absolute;right:16px;top:26px;
    width:24px;height:24px;border-radius:50%;
    border:1px solid var(--line);background:#fff;
  }
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);transform:translate(-50%,-50%);border-radius:2px}
  .faq-icon::before{width:10px;height:2px}
  .faq-icon::after{width:2px;height:10px;transition:transform .22s ease,opacity .22s ease}
  .faq-acc .accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
  .faq-acc .accordion-body{
    padding:0 62px 26px 0;max-width:760px;
    font-size:15px;line-height:1.85;color:var(--ink-soft);
  }
  .faq-acc .accordion-body strong{color:var(--ink);font-weight:700}

  /* ---------- 排查步骤 ---------- */
  .split{display:grid;grid-template-columns:0.82fr 1.18fr;gap:56px;align-items:start}
  .split-aside h2{font-size:clamp(26px,3.2vw,36px)}
  .split-aside p{margin-top:14px;color:var(--ink-soft);font-size:15.5px;line-height:1.8}
  .split-figure{margin-top:26px;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
  .split-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .step-list{border-top:1px solid var(--line)}
  .step-list li{
    display:flex;gap:24px;align-items:flex-start;
    padding:26px 8px;border-bottom:1px solid var(--line);
    transition:background .2s ease,transform .2s ease;
  }
  .step-list li:hover{background:var(--accent-soft);transform:translateX(4px)}
  .step-no{
    flex:0 0 auto;font-size:24px;font-weight:800;color:var(--accent);
    font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-.02em;
  }
  .step-body h3{font-size:19px;font-weight:700;color:var(--brand)}
  .step-body p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--ink-soft)}

  /* ---------- 联系支持 ---------- */
  .support-card{
    display:grid;grid-template-columns:1.25fr .95fr;gap:0;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  }
  .support-main{padding:44px}
  .support-main h3{font-size:22px;color:var(--brand)}
  .support-main > p{margin-top:12px;font-size:15px;color:var(--ink-soft);line-height:1.8}
  .info-dl{margin-top:26px;border-top:1px solid var(--line)}
  .info-dl .row{
    display:flex;align-items:baseline;justify-content:space-between;gap:20px;
    padding:14px 0;border-bottom:1px solid var(--line);
  }
  .info-dl dt{font-size:14px;color:var(--ink-soft);font-weight:400}
  .info-dl dd{margin:0;font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
  .info-dl dd a{color:var(--brand)}
  .info-dl dd a:hover{color:var(--accent)}
  .support-side{
    padding:44px;background:var(--accent-soft);
    border-left:1px solid var(--line);
  }
  .support-side h3{font-size:18px;color:#8A3413}
  .check-list{margin-top:20px}
  .check-list li{position:relative;padding-left:26px;margin-bottom:14px;font-size:15px;line-height:1.7;color:#4A3021}
  .check-list li::before{
    content:"";position:absolute;left:0;top:8px;width:12px;height:7px;
    border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
    transform:rotate(-45deg);
  }
  .support-side .note{margin-top:22px;font-size:13px;line-height:1.7;color:#7A4A2E}

  /* ---------- 下载 CTA ---------- */
  .cta-block{
    background:var(--brand-deep);color:#E8EDE9;
    border-radius:var(--r-lg);padding:64px 40px;
    display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  }
  .cta-block h2{color:#fff;font-size:clamp(26px,3.2vw,36px)}
  .cta-block p{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(232,237,233,.8)}
  .cta-meta{margin-top:20px;font-size:13px;letter-spacing:.02em;color:rgba(232,237,233,.6);font-variant-numeric:tabular-nums}
  .cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .cta-btn{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:16px 20px;border-radius:14px;
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
    color:#fff;font-size:15px;font-weight:700;
    transition:background .18s ease,transform .18s ease,border-color .18s ease;
  }
  .cta-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
  .cta-btn .arrow{font-size:13px;opacity:.7}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand-deep);color:#E8EDE9;padding:72px 0 32px;margin-top:96px}
  .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px}
  .site-footer .logo-text{color:#fff}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(232,237,233,.65);max-width:260px}
  .footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px}
  .footer-col ul li{margin-bottom:12px}
  .footer-col ul a{font-size:14px;color:rgba(232,237,233,.72);transition:color .18s ease,transform .18s ease;display:inline-block}
  .footer-col ul a:hover{color:var(--accent);transform:translateX(3px)}
  .contact-line{font-size:14px;line-height:2;color:rgba(232,237,233,.72)}
  .contact-line strong{color:#fff;font-weight:600}
  .footer-bottom{
    margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  }
  .footer-bottom p{font-size:13px;color:rgba(232,237,233,.6)}
  .footer-note{max-width:640px;line-height:1.75}

  @media (max-width:1199.98px){
    .split{gap:40px}
    .support-main,.support-side{padding:34px}
  }
  @media (max-width:991.98px){
    .nav-toggle{display:inline-flex}
    .nav-links{
      position:absolute;top:calc(100% + 12px);left:0;right:0;
      flex-direction:column;align-items:stretch;gap:0;
      margin:0;padding:10px;
      background:var(--surface);border:1px solid var(--line);
      border-radius:20px;box-shadow:var(--shadow-2);
      display:none;
    }
    .nav-links.is-open{display:flex}
    .nav-links a{padding:13px 16px;border-radius:12px;line-height:1.6}
    .nav-links a::after{display:none}
    .nav-links a.is-active{background:var(--accent-soft);color:var(--brand)}
    body.nav-open{overflow:hidden}
    .page-hero{padding:126px 0 52px}
    .section{padding:72px 0}
    .split{grid-template-columns:1fr;gap:34px}
    .support-card{grid-template-columns:1fr}
    .support-side{border-left:0;border-top:1px solid var(--line)}
    .cta-block{grid-template-columns:1fr;padding:48px 32px;gap:32px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .site-footer{margin-top:72px}
  }
  @media (max-width:575.98px){
    .container-x{padding:0 18px}
    .site-header{padding:0 12px;top:12px}
    .nav-shell{height:64px;padding:0 10px 0 16px}
    .logo-text{font-size:17px}
    .nav-actions .btn-accent{display:none}
    .page-hero{padding:112px 0 44px}
    .search-panel{padding:16px}
    .search-bar{height:52px;padding:5px 5px 5px 14px}
    .search-bar .btn-accent{padding:9px 16px;font-size:13px}
    .section{padding:56px 0}
    .faq-acc .accordion-button{font-size:16px;padding:20px 54px 20px 0}
    .faq-acc .accordion-body{padding:0 0 22px}
    .support-main,.support-side{padding:26px}
    .step-list li{gap:16px;padding:22px 4px}
    .step-no{font-size:20px}
    .cta-block{padding:36px 22px;border-radius:22px}
    .cta-grid{grid-template-columns:1fr}
    .cta-btn{height:52px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column}
    .info-dl .row{flex-direction:column;gap:4px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition:none!important;animation:none!important}
    html{scroll-behavior:auto}
  }