/* roulang page: index */
:root{
  --ink:#0F2E28;
  --ink-deep:#081B17;
  --celadon:#3E7C6B;
  --celadon-light:#A8CFC3;
  --accent:#FF7A3C;
  --sand:#F6F4EF;
  --white:#FFFFFF;
  --text:#14201D;
  --text-2:#5A6B66;
  --text-3:#93A19C;
  --line:#E4E1D9;
  --ok:#2E8B6F;
  --warn:#B23A2E;
  --r-card:16px;
  --r-btn:10px;
  --r-tag:6px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(15,46,40,.05),0 8px 24px rgba(15,46,40,.06);
  --shadow-2:0 12px 32px rgba(15,46,40,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-section:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--celadon)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--celadon);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.28;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.18}
h2{font-size:clamp(24px,2.6vw,36px)}
h3{font-size:20px;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
.num{font-variant-numeric:tabular-nums}

/* ============ 容器 ============ */
.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){.wrap{max-width:1320px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:24px;
  padding:14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;
  border-radius:9px;
  background:var(--ink);
  color:var(--celadon-light);
  display:grid;place-items:center;
  font-size:15px;
  font-weight:800;
  letter-spacing:0;
}
.search-wrap{
  position:relative;
  flex:1 1 auto;
  max-width:520px;
}
.search-wrap svg{
  position:absolute;
  left:16px;top:50%;
  transform:translateY(-50%);
  width:18px;height:18px;
  color:var(--text-3);
  pointer-events:none;
}
.search-wrap input{
  width:100%;
  height:48px;
  margin:0;
  padding:0 18px 0 46px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--white);
  font-size:15px;
  color:var(--text);
  box-shadow:0 1px 2px rgba(15,46,40,.04);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-wrap input::placeholder{color:var(--text-3)}
.search-wrap input:focus{
  outline:none;
  border-color:var(--celadon);
  box-shadow:0 0 0 2px rgba(62,124,107,.25),0 8px 20px rgba(15,46,40,.08);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex:0 0 auto;
}
.link-quiet{
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid transparent;
}
.link-quiet:hover{color:var(--ink);border-bottom-color:var(--accent)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,122,60,.28);
}
.btn-primary:hover{background:#ff8b55;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,60,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-ghost:hover{background:rgba(15,46,40,.08);color:var(--ink)}
.btn-ghost-light{
  background:transparent;
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-pill{border-radius:999px}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}

.nav-sub{
  border-top:1px solid var(--line);
}
.nav-sub ul{
  display:flex;
  align-items:center;
  gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:0;
}
.nav-sub ul::-webkit-scrollbar{display:none}
.nav-sub a{
  display:inline-block;
  padding:13px 0;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.nav-sub a:hover{color:var(--ink)}
.nav-sub a.is-active{
  color:var(--ink);
  font-weight:600;
  border-bottom-color:var(--accent);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  min-height:82vh;
  display:flex;
  align-items:center;
  color:#fff;
  background-image:
    linear-gradient(105deg,rgba(8,27,23,.92) 0%,rgba(15,46,40,.82) 46%,rgba(15,46,40,.55) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  animation:heroZoom 8s var(--ease) forwards;
}
@keyframes heroZoom{
  from{background-size:100% auto}
  to{background-size:103% auto}
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:rgba(255,255,255,.12);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:96px 0 104px;
  max-width:900px;
}
.hero h1{color:#fff}
.hero h1 em{
  font-style:normal;
  color:var(--celadon-light);
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:660px;
}
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.02em;
  color:var(--celadon-light);
  background:rgba(168,207,195,.12);
  border:1px solid rgba(168,207,195,.35);
  line-height:1.5;
}
.badge .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  flex:0 0 auto;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:36px;
}
.scroll-hint{
  position:absolute;
  right:32px;
  bottom:28px;
  z-index:3;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:rgba(255,255,255,.6);
  letter-spacing:.14em;
}
.scroll-hint span{
  writing-mode:vertical-rl;
}
.scroll-hint i{
  display:block;
  width:1px;height:40px;
  background:linear-gradient(to bottom,rgba(255,255,255,.6),rgba(255,255,255,0));
  animation:scrollDown 2s infinite var(--ease);
}
@keyframes scrollDown{
  0%{transform:scaleY(.3);transform-origin:top;opacity:.3}
  50%{transform:scaleY(1);transform-origin:top;opacity:1}
  100%{transform:scaleY(.3);transform-origin:top;opacity:.3}
}

/* ============ 通用板块 ============ */
.section{padding:var(--pad-section) 0}
.section-sm{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--celadon);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--accent);
}
.section-dark{
  background:var(--ink);
  color:#fff;
}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:rgba(255,255,255,.78)}
.section-white{background:var(--white)}

/* ============ 准备事项 / 不对称布局 ============ */
.prep-grid{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:56px;
  align-items:start;
}
.prep-lead p{
  margin-top:18px;
  font-size:16px;
  color:var(--text-2);
}
.prep-stats{
  display:flex;
  gap:36px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.prep-stats div strong{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.02em;
}
.prep-stats div span{
  font-size:13px;
  color:var(--text-3);
}
.prep-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.prep-item{
  display:flex;
  gap:18px;
  padding:22px 24px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.prep-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--celadon-light);
}
.prep-item .idx{
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:10px;
  background:rgba(62,124,107,.1);
  color:var(--celadon);
  display:grid;place-items:center;
  font-weight:700;
  font-size:14px;
}
.prep-item h3{font-size:17px}
.prep-item p{
  margin-top:6px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}

/* ============ 时间线 ============ */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:132px;
  top:8px;bottom:8px;
  width:2px;
  background:var(--line);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:132px 1fr;
  gap:38px;
  padding:22px 0;
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.tl-item.is-in{opacity:1;transform:translateY(0)}
.tl-time{
  text-align:right;
  font-size:14px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.tl-time b{
  display:block;
  font-size:15px;
  color:var(--ink);
  font-weight:700;
}
.tl-body{
  position:relative;
  padding-left:38px;
}
.tl-body::before{
  content:"";
  position:absolute;
  left:-6px;top:9px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--white);
  border:2px solid var(--line);
  z-index:2;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.tl-item.is-active .tl-body::before{
  background:var(--accent);
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(255,122,60,.18);
}
.tl-item.is-done .tl-body::before{
  background:var(--celadon);
  border-color:var(--celadon);
}
.tl-body h3{font-size:19px}
.tl-body p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-tag);
  background:rgba(62,124,107,.1);
  color:var(--celadon);
  font-size:12.5px;
  line-height:1.6;
}
.tag-accent{background:rgba(255,122,60,.12);color:#c9551f}

/* ============ 横滑卡（亮点/专区） ============ */
.hscroll{
  display:flex;
  gap:22px;
  overflow-x:auto;
  padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.hscroll::-webkit-scrollbar{height:6px}
.hscroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.hcard{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 10px 28px rgba(15,46,40,.07);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.hcard:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(15,46,40,.12)}
.hcard figure{
  margin:0;
  position:relative;
  aspect-ratio:1/1;
  overflow:hidden;
  background:var(--celadon-light);
}
.hcard img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.hcard:hover img{transform:scale(1.04)}
.hcard-body{padding:20px 22px 24px}
.hcard-body h3{font-size:17px}
.hcard-role{
  margin-top:4px;
  font-size:13px;
  color:var(--celadon);
  font-weight:600;
}
.hcard-body p{
  margin-top:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.hscroll-note{
  font-size:13px;
  color:var(--text-3);
}

/* ============ 对比表（登录方式） ============ */
.compare{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--white);
  box-shadow:var(--shadow-1);
}
.compare-col{
  padding:30px 26px;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  transition:background-color .22s var(--ease);
}
.compare-col:last-child{border-right:none}
.compare-col.is-featured{
  background:linear-gradient(180deg,rgba(62,124,107,.06),rgba(255,255,255,1));
  border:2px solid var(--accent);
  border-radius:var(--r-card);
  margin:-1px;
  position:relative;
  transform:translateY(-6px);
}
.compare-col.is-featured::before{
  content:"主推";
  position:absolute;
  top:14px;right:14px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  letter-spacing:.04em;
}
.compare-head{padding-bottom:18px;border-bottom:1px dashed var(--line)}
.compare-head h3{font-size:19px}
.compare-head p{margin-top:6px;font-size:13.5px;color:var(--text-2)}
.compare-price{
  margin-top:18px;
  font-size:34px;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--ink);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.compare-price small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:6px}
.compare-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.compare-list li{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  font-size:14.5px;
  color:var(--text-2);
}
.compare-list li b{
  font-weight:400;
  color:var(--text);
}
.compare-list li .yes{color:var(--ok)}
.compare-list li .no{color:var(--text-3)}
.compare-foot{
  margin-top:auto;
  padding-top:24px;
}
.compare-foot .btn{width:100%}
.compare-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 资讯 / CMS 列表 ============ */
.news-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:30px;
}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  font-size:13px;
  color:var(--text-2);
  transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--celadon);color:var(--celadon)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.news-flow{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  grid-auto-rows:min-content;
  gap:22px;
}
.news-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--celadon-light);
}
.news-card:hover .news-title{color:var(--celadon)}
.news-flow > .news-card:first-child{
  grid-row:span 3;
}
.news-flow > .news-card:first-child .news-thumb{
  aspect-ratio:16/9;
}
.news-thumb{
  margin:0;
  aspect-ratio:16/10;
  overflow:hidden;
  background:rgba(62,124,107,.12);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.news-flow > .news-card:first-child .news-body{padding:26px 28px 28px}
.news-title{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--text);
  transition:color .18s var(--ease);
}
.news-flow > .news-card:first-child .news-title{font-size:22px}
.news-sum{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-flow > .news-card:first-child .news-sum{-webkit-line-clamp:3}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:12.5px;
  color:var(--text-3);
  margin-top:auto;
}
.news-meta .cat{
  color:var(--celadon);
  background:rgba(62,124,107,.1);
  padding:2px 9px;
  border-radius:var(--r-tag);
}
.news-flow > .news-card:not(:first-child){
  flex-direction:row;
  align-items:stretch;
}
.news-flow > .news-card:not(:first-child) .news-thumb{
  aspect-ratio:auto;
  width:132px;
  flex:0 0 132px;
}
.news-flow > .news-card:not(:first-child) .news-body{padding:16px 18px}
.news-flow > .news-card:not(:first-child) .news-sum{-webkit-line-clamp:1}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--white);
  padding:56px 24px;
  text-align:center;
}
.empty-state svg{width:96px;height:56px;color:var(--celadon-light);margin:0 auto 16px}
.empty-state p{font-size:15px;color:var(--text-2)}
.empty-state a{
  display:inline-block;
  margin-top:10px;
  font-size:14px;
  color:var(--celadon);
  border-bottom:1px solid var(--accent);
}

/* ============ 数据 / 信任 ============ */
.fact-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.fact{
  padding:28px 24px;
  border-radius:var(--r-card);
  background:var(--white);
  border:1px solid var(--line);
  border-left:3px solid var(--celadon);
  box-shadow:var(--shadow-1);
}
.fact strong{
  display:block;
  font-size:32px;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.fact span{
  display:block;
  margin-top:6px;
  font-size:13.5px;
  color:var(--text-2);
}
.trust-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:22px;
}
.trust-item{
  padding:24px;
  border-radius:var(--r-card);
  background:rgba(62,124,107,.06);
  border:1px solid rgba(62,124,107,.16);
}
.trust-item h3{font-size:16px}
.trust-item p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ 表单 CTA ============ */
.cta-block{
  background:var(--ink);
  color:#fff;
  border-radius:24px;
  padding:60px 56px;
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:56px;
  align-items:start;
}
.cta-block h2{color:#fff}
.cta-block > div > p{
  margin-top:16px;
  font-size:15.5px;
  color:rgba(255,255,255,.78);
  line-height:1.85;
}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:rgba(255,255,255,.85);
}
.cta-points li i{color:var(--accent);margin-top:6px}
.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  padding:28px;
}
.field{margin-bottom:16px}
.field label{
  display:block;
  margin-bottom:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.8);
}
.field label .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  margin:0;
  padding:11px 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);
  color:#fff;
  font-size:15px;
  box-shadow:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4)}
.field select option{color:#14201D}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--celadon-light);
  background:rgba(255,255,255,.08);
  box-shadow:inset 0 1px 2px rgba(0,0,0,.18),0 0 0 2px rgba(168,207,195,.3);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(255,122,60,.25);
}
.field .err{
  display:none;
  margin-top:6px;
  font-size:13px;
  color:#ffb08a;
}
.field.has-error .err{display:block}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
}
.check-line input{margin:5px 0 0;width:16px;height:16px;min-height:0;flex:0 0 auto}
.form-foot{margin-top:22px}
.form-foot .btn{width:100%}
.form-note{
  margin-top:12px;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
  text-align:center;
}
.form-ok{
  display:none;
  margin-top:16px;
  padding:14px 16px;
  border-radius:var(--r-input);
  background:rgba(46,139,111,.18);
  border:1px solid rgba(46,139,111,.4);
  color:#bfe9da;
  font-size:14px;
}
.form-ok.is-show{display:block}

/* ============ FAQ ============ */
.faq-wrap{margin-top:8px}
.accordion{
  border:none;
  background:transparent;
  margin:0;
}
.accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--white);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 1px 2px rgba(15,46,40,.04);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.accordion .accordion-item.is-active{
  border-color:var(--celadon-light);
  box-shadow:var(--shadow-1);
}
.accordion .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  border:none;
  background:transparent;
  transition:color .18s var(--ease);
}
.accordion .accordion-title:hover{color:var(--celadon);background:rgba(62,124,107,.04)}
.accordion .accordion-title::before{
  display:none;
}
.accordion .accordion-title::after{
  content:"";
  flex:0 0 auto;
  width:9px;height:9px;
  border-right:2px solid var(--celadon);
  border-bottom:2px solid var(--celadon);
  transform:rotate(45deg);
  transition:transform .22s var(--ease);
  order:2;
  margin-top:-4px;
}
.accordion .accordion-item.is-active .accordion-title::after{
  transform:rotate(-135deg);
  margin-top:4px;
}
.accordion .accordion-content{
  border:none;
  padding:0 24px 22px;
  background:transparent;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}
.accordion .accordion-content p + p{margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.8);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.site-footer a{
  color:rgba(255,255,255,.8);
  font-size:14px;
  line-height:2.2;
}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.1)}
.footer-about{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.footer-list li{display:block}
.footer-contact li{
  font-size:14px;
  line-height:2.1;
  color:rgba(255,255,255,.8);
}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{font-size:13px;color:rgba(255,255,255,.6)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--pad-section:88px}
  .news-flow{grid-template-columns:1.2fr 1fr}
  .fact-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  :root{--pad-section:72px}
  .nav-top{flex-wrap:wrap;gap:14px}
  .search-wrap{order:3;flex:1 0 100%;max-width:none}
  .nav-actions{margin-left:auto}
  .hero{min-height:auto}
  .hero-inner{padding:72px 0 84px}
  .prep-grid{grid-template-columns:1fr;gap:36px}
  .timeline::before{left:8px}
  .tl-item{grid-template-columns:1fr;gap:12px;padding-left:34px}
  .tl-time{text-align:left;padding-left:0}
  .tl-body{padding-left:0}
  .tl-body::before{left:-34px;top:8px}
  .compare{grid-template-columns:1fr}
  .compare-col{border-right:none;border-bottom:1px solid var(--line)}
  .compare-col.is-featured{margin:0;transform:none;border-radius:0;border-left:2px solid var(--accent);border-right:2px solid var(--accent)}
  .compare-col:last-child{border-bottom:none}
  .news-flow{grid-template-columns:1fr}
  .news-flow > .news-card:first-child{grid-row:auto}
  .trust-row{grid-template-columns:1fr}
  .cta-block{grid-template-columns:1fr;gap:36px;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scroll-hint{display:none}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  :root{--pad-section:52px}
  .hcard{flex:0 0 260px}
  .news-flow > .news-card:not(:first-child) .news-thumb{width:104px;flex:0 0 104px}
  .fact-grid{grid-template-columns:1fr;gap:14px}
  .form-row{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .cta-block{padding:36px 22px;border-radius:18px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:52px 0 22px}
  .hero-cta .btn{width:100%}
}
@media (max-width:520px){
  .brand{font-size:15px}
  .brand-mark{width:30px;height:30px;font-size:13px}
  .nav-sub ul{gap:20px}
  .nav-sub a{font-size:13.5px}
  .hcard{flex:0 0 82%}
  .news-flow > .news-card:not(:first-child){flex-direction:column}
  .news-flow > .news-card:not(:first-child) .news-thumb{width:100%;flex:none;aspect-ratio:16/9}
  .compare-price{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .hero{animation:none}
  .tl-item{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --forest:#0F2E28;
  --forest-deep:#081B17;
  --jade:#3E7C6B;
  --jade-soft:#A8CFC3;
  --accent:#FF7A3C;
  --sand:#F6F4EF;
  --white:#FFFFFF;
  --ink:#14201D;
  --ink-2:#5A6B66;
  --ink-3:#93A19C;
  --line:#E4E1D9;
  --success:#2E8B6F;
  --warn:#B23A2E;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-tag:6px;
  --shadow-1:0 1px 2px rgba(15,46,40,.05), 0 8px 24px rgba(15,46,40,.06);
  --shadow-2:0 12px 32px rgba(15,46,40,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --font-zh:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-zh);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--sand);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,60,.22);}
.btn-primary:hover{background:#ff8a53;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,60,.26);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--forest);border-color:var(--forest);}
.btn-outline:hover{background:rgba(15,46,40,.08);transform:translateY(-2px);}
.btn-pill{border-radius:999px;}
.text-link{color:var(--forest);font-weight:600;border-bottom:1px solid transparent;transition:border-color .18s var(--ease),color .18s var(--ease);}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.nav-top{display:flex;align-items:center;gap:24px;min-height:78px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:8px;background:var(--forest);color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;}
.search-wrap{position:relative;flex:1 1 auto;max-width:520px;}
.search-wrap svg{position:absolute;left:17px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3);pointer-events:none;}
.search-wrap input{
  width:100%;height:48px;border-radius:999px;border:1px solid var(--line);
  background:var(--sand);padding:0 20px 0 46px;font-size:14px;color:var(--ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.search-wrap input::placeholder{color:var(--ink-3);}
.search-wrap input:focus{outline:none;background:#fff;border-color:var(--jade);box-shadow:0 0 0 2px rgba(62,124,107,.22);}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.link-quiet{font-size:14px;color:var(--ink-2);transition:color .18s var(--ease);}
.link-quiet:hover{color:var(--forest);}
.nav-sub{background:var(--forest);}
.nav-sub ul{display:flex;gap:2px;list-style:none;overflow-x:auto;scrollbar-width:none;}
.nav-sub ul::-webkit-scrollbar{display:none;}
.nav-sub a{
  display:block;padding:14px 16px;font-size:14px;color:rgba(255,255,255,.78);
  border-bottom:2px solid transparent;white-space:nowrap;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.nav-sub a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-sub a.is-active{color:#fff;border-bottom-color:var(--accent);}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;color:#fff;
  background-image:linear-gradient(120deg,rgba(8,27,23,.92),rgba(15,46,40,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:44px 0 60px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);}
.crumbs a{color:rgba(255,255,255,.82);transition:color .18s var(--ease);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span.sep{color:rgba(255,255,255,.42);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin:22px 0 14px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(168,207,195,.18);border:1px solid rgba(168,207,195,.4);color:var(--jade-soft);
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
.article-hero h1{
  font-size:clamp(26px,3.2vw,42px);line-height:1.3;font-weight:800;letter-spacing:-.02em;
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.72);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);}

/* ---------- 正文布局 ---------- */
.page-body{padding:56px 0 96px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:48px;align-items:start;}
.article-main{min-width:0;}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);}
.prose{max-width:760px;padding:44px 48px;}
.prose > *:first-child{margin-top:0;}
.prose p{font-size:17px;line-height:1.85;color:#26332F;margin:0 0 1.2em;}
.prose h2{
  font-size:clamp(21px,2.1vw,27px);line-height:1.4;font-weight:750;letter-spacing:-.01em;
  margin:56px 0 18px;padding-left:14px;border-left:4px solid var(--accent);scroll-margin-top:132px;
}
.prose h3{font-size:20px;line-height:1.5;font-weight:700;margin:36px 0 12px;scroll-margin-top:132px;}
.prose h4{font-size:17px;font-weight:700;margin:26px 0 10px;}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:1.35em;}
.prose li{font-size:16.5px;line-height:1.85;color:#26332F;margin:0 0 .55em;padding-left:.2em;}
.prose ul li::marker{color:var(--jade);}
.prose ol li::marker{color:var(--jade);font-weight:700;}
.prose blockquote{
  margin:26px 0;padding:18px 22px;background:var(--sand);
  border-left:3px solid var(--jade);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--ink-2);font-size:16px;line-height:1.8;
}
.prose blockquote p{margin:0;font-size:16px;color:var(--ink-2);}
.prose img{border-radius:var(--radius-img);margin:22px 0 8px;width:100%;height:auto;}
.prose figure{margin:24px 0;}
.prose figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;line-height:1.6;}
.prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;
}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap;}
.prose thead th{background:var(--forest);color:#fff;border-color:var(--forest);font-weight:600;}
.prose tbody tr:nth-child(even){background:#FAF9F6;}
.prose pre{
  background:#F1EFE9;border:1px solid var(--line);border-radius:var(--radius-img);
  padding:18px;overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
.prose code{
  background:#F1EFE9;border:1px solid var(--line);border-radius:6px;padding:2px 6px;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:14px;
}
.prose pre code{background:none;border:none;padding:0;}
.prose hr{border:none;border-top:1px solid var(--line);margin:40px 0;}
.prose a{color:var(--forest);border-bottom:1px solid var(--jade-soft);transition:color .18s var(--ease),border-color .18s var(--ease);}
.prose a:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* 空态 */
.empty-state{padding:64px 40px;text-align:center;}
.empty-state .empty-mark{
  width:96px;height:96px;margin:0 auto 22px;border-radius:50%;
  border:2px dashed var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);font-size:26px;font-weight:700;background:var(--sand);
}
.empty-state h2{font-size:22px;font-weight:750;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:24px;}

/* 目录 */
.toc{position:sticky;top:112px;order:2;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:22px 20px;}
.toc h2{font-size:15px;font-weight:750;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.toc h2::before{content:"";width:14px;height:2px;background:var(--accent);border-radius:2px;}
.toc ul{list-style:none;}
.toc li a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-2);
  padding:8px 0 8px 12px;border-left:2px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.toc li a:hover{color:var(--forest);border-left-color:var(--jade-soft);}
.toc li a.is-current{color:var(--forest);font-weight:650;border-left-color:var(--accent);}
.toc .toc-empty{color:var(--ink-3);font-size:13.5px;padding:6px 0;}
.toc-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);line-height:1.7;}

/* 标签 / 返回 / 推荐 */
.after-article{max-width:760px;margin-top:36px;}
.tag-group{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-group .label{font-size:13.5px;color:var(--ink-3);}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--radius-tag);
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.tag:hover{border-color:var(--jade);color:var(--forest);transform:translateY(-2px);}
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:24px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
}
.back-bar p{font-size:14px;color:var(--ink-2);}
.recommend{margin-top:56px;}
.recommend h2{font-size:clamp(20px,1.8vw,24px);font-weight:750;margin-bottom:6px;}
.recommend .sub{font-size:14px;color:var(--ink-2);margin-bottom:22px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-left:3px solid var(--jade-soft);
  border-radius:10px;padding:18px 18px 16px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.rel-card:hover{border-left-color:var(--accent);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.rel-card .rel-cat{font-size:12px;font-weight:600;color:var(--jade);letter-spacing:.02em;}
.rel-card h3{font-size:15.5px;font-weight:700;line-height:1.5;margin:8px 0 8px;}
.rel-card p{font-size:13.5px;line-height:1.7;color:var(--ink-2);}
.rel-card .rel-meta{margin-top:12px;font-size:12px;color:var(--ink-3);}

/* ---------- 咨询 CTA ---------- */
.consult{background:var(--forest);color:#fff;padding:72px 0;}
.consult-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start;}
.consult h2{font-size:clamp(22px,2.3vw,32px);font-weight:800;line-height:1.35;letter-spacing:-.01em;}
.consult .lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:520px;}
.consult-points{list-style:none;margin-top:26px;display:grid;gap:12px;}
.consult-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86);}
.consult-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);padding:28px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:8px;}
.field .req{color:var(--accent);}
.field input,.field select,.field textarea{
  width:100%;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:rgba(8,27,23,.35);color:#fff;padding:0 14px;font-size:14.5px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.45);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--jade-soft);box-shadow:inset 0 0 0 1px rgba(168,207,195,.4);}
.field select option{color:#14201D;}
.field.is-error input,.field.is-error textarea{border-color:var(--accent);}
.field .tip{display:none;font-size:13px;color:#FFB08A;margin-top:7px;}
.field.is-error .tip{display:block;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7;margin-top:14px;}
.form-ok{display:none;margin-top:14px;padding:12px 14px;border-radius:10px;background:rgba(46,139,111,.28);border:1px solid rgba(46,139,111,.55);font-size:14px;color:#DDF3EB;}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--forest-deep);color:rgba(255,255,255,.8);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:#fff;color:var(--forest-deep);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.site-footer h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-list,.footer-contact{list-style:none;display:grid;gap:10px;}
.footer-list a,.footer-contact li{font-size:14px;color:rgba(255,255,255,.78);transition:color .18s var(--ease);}
.footer-list a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .rel-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1023px){
  .nav-top{flex-wrap:wrap;gap:14px;min-height:auto;padding:14px 0;}
  .search-wrap{order:3;flex:1 0 100%;max-width:none;}
  .search-wrap input{height:44px;}
  .nav-actions{margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .toc{position:static;top:auto;order:-1;}
  .prose{max-width:none;padding:32px 24px;}
  .after-article{max-width:none;}
  .consult-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .brand{font-size:16px;}
  .brand-mark{font-size:13px;padding:5px 9px;}
  .link-quiet{display:none;}
  .article-hero{padding:32px 0 44px;}
  .page-body{padding:36px 0 64px;}
  .prose p{font-size:16.5px;}
  .rel-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .consult{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .back-bar{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
}

/* roulang page: category1 */
:root{
  --ink:#14201D;
  --ink-2:#5A6B66;
  --ink-3:#93A19C;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --pine:#0F2E28;
  --pine-deep:#081B17;
  --celadon:#3E7C6B;
  --celadon-soft:#A8CFC3;
  --orange:#FF7A3C;
  --line:#E4E1D9;
  --ok:#2E8B6F;
  --warn:#B23A2E;
  --r-card:16px;
  --r-btn:10px;
  --r-tag:6px;
  --r-img:12px;
  --shadow:0 1px 2px rgba(15,46,40,.05), 0 8px 24px rgba(15,46,40,.06);
  --shadow-hover:0 12px 32px rgba(15,46,40,.10);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --font:PingFang SC,"HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--celadon);outline-offset:2px;border-radius:4px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.02em;line-height:1.28;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:var(--font);cursor:pointer}
input,select,textarea{font-family:var(--font);font-size:16px}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}
@media (min-width:1440px){.wrap{max-width:1320px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40;
}
.nav-top{
  display:flex;align-items:center;gap:24px;padding:14px 0;
}
.brand{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  font-size:16px;font-weight:700;letter-spacing:-0.01em;color:var(--pine);white-space:nowrap;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:32px;padding:0 10px;
  background:var(--pine);color:#fff;border-radius:8px;
  font-size:14px;font-weight:700;letter-spacing:0.02em;
}
.search-wrap{
  position:relative;flex:1 1 auto;max-width:560px;min-width:220px;margin:0 auto;
}
.search-wrap svg{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-3);pointer-events:none;
}
.search-wrap input{
  width:100%;height:48px;margin:0;
  padding:0 20px 0 48px;
  border:1px solid var(--line);border-radius:999px;
  background:var(--card);color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.search-wrap input::placeholder{color:var(--ink-3)}
.search-wrap input:focus{
  outline:none;border-color:var(--celadon);
  box-shadow:0 0 0 3px rgba(62,124,107,.16), 0 8px 20px rgba(15,46,40,.08);
}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-quiet{
  font-size:14.5px;color:var(--ink-2);border-bottom:1px solid transparent;
}
.link-quiet:hover{color:var(--pine);border-bottom-color:var(--orange)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:0.01em;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-pill{border-radius:999px}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:#ff8b54;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,60,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--pine);border-color:rgba(15,46,40,.32)}
.btn-ghost:hover{background:rgba(15,46,40,.07);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.nav-sub{border-top:1px solid var(--line);background:transparent}
.nav-sub ul{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
.nav-sub ul::-webkit-scrollbar{display:none}
.nav-sub a{
  display:inline-block;padding:13px 14px;white-space:nowrap;
  font-size:14.5px;color:var(--ink-2);border-bottom:2px solid transparent;
}
.nav-sub a:hover{color:var(--pine)}
.nav-sub a.is-active{color:var(--pine);font-weight:600;border-bottom-color:var(--orange)}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(8,27,23,.94) 0%,rgba(15,46,40,.86) 52%,rgba(15,46,40,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-banner .wrap{padding-top:52px;padding-bottom:56px}
.crumb{display:flex;gap:8px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.7)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb span{color:rgba(255,255,255,.42)}
.banner-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:end}
@media (min-width:1024px){
  .banner-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px}
}
.banner-copy h1{
  color:#fff;margin:18px 0 14px;
  font-size:clamp(30px,4.4vw,50px);font-weight:800;
}
.banner-copy .lede{
  font-size:16.5px;color:rgba(255,255,255,.8);max-width:640px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:0.02em;
  color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.07);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--celadon-soft)}
.banner-figure{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 48px rgba(0,0,0,.28);
}
.banner-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}

/* ---------- sections ---------- */
.section{padding:104px 0}
.section.tight{padding:72px 0}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:15.5px}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;
  color:var(--celadon);font-weight:600;margin-bottom:12px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;
  min-height:36px;padding:0 16px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
  transition:border-color var(--t),color var(--t),background var(--t);
}
.chip:hover{border-color:var(--celadon);color:var(--pine)}
.chip.is-on{background:var(--pine);border-color:var(--pine);color:#fff}

/* ---------- entry directory ---------- */
.group{border-top:1px solid var(--line);padding-top:26px;margin-top:34px}
.group:first-of-type{border-top:none;margin-top:0;padding-top:0}
.group-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-bottom:8px;
}
.group-head h3{font-size:20px}
.group-head .count{font-size:13px;color:var(--ink-3);letter-spacing:.06em}
.entry-row{
  display:grid;grid-template-columns:96px minmax(0,1fr) auto;
  gap:24px;align-items:start;
  padding:22px 4px;
  border-bottom:1px dashed var(--line);
  transition:background var(--t);
}
.entry-row:hover{background:rgba(62,124,107,.045)}
.entry-tag{
  display:flex;flex-direction:column;gap:6px;
  font-size:13px;color:var(--ink-3);letter-spacing:.04em;
}
.entry-tag strong{color:var(--celadon);font-size:15px;letter-spacing:0}
.entry-main h4{font-size:17px;margin-bottom:6px}
.entry-row:hover .entry-main h4{color:var(--celadon)}
.entry-main p{font-size:14.5px;color:var(--ink-2)}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-tag);
  font-size:12.5px;color:var(--celadon);
  background:rgba(62,124,107,.1);
}
.tag.warm{color:#B4552A;background:rgba(255,122,60,.12)}
.entry-link{
  align-self:center;font-size:14px;color:var(--pine);font-weight:600;
  border-bottom:1px solid transparent;white-space:nowrap;
}
.entry-link:hover{color:var(--orange);border-bottom-color:var(--orange)}

/* ---------- verify panel ---------- */
.verify{
  background:var(--pine-deep);color:#fff;border-radius:24px;
  padding:56px 48px;position:relative;overflow:hidden;
}
.verify::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(62,124,107,.42),transparent 70%);
}
.verify h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.verify .sub{color:rgba(255,255,255,.72);font-size:15px;max-width:620px}
.verify-grid{
  display:grid;gap:20px;margin-top:36px;position:relative;z-index:1;
  grid-template-columns:repeat(2,minmax(0,1fr));
}
@media (min-width:1024px){.verify-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.verify-item{
  border:1px solid rgba(255,255,255,.14);border-radius:14px;
  padding:22px 20px;background:rgba(255,255,255,.04);
  transition:transform var(--t),border-color var(--t),background var(--t);
}
.verify-item:hover{transform:translateY(-2px);border-color:rgba(168,207,195,.5);background:rgba(255,255,255,.07)}
.verify-item .num{
  font-size:13px;color:var(--celadon-soft);letter-spacing:.14em;font-weight:700;
}
.verify-item h4{color:#fff;font-size:16.5px;margin:10px 0 8px}
.verify-item p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.75}

/* ---------- compare table ---------- */
.table-shell{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;
}
table.matrix{width:100%;border-collapse:collapse;margin:0}
table.matrix th,table.matrix td{
  padding:18px 22px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line);
}
table.matrix thead th{
  background:rgba(62,124,107,.08);color:var(--pine);
  font-size:13.5px;letter-spacing:.04em;font-weight:700;
}
table.matrix tbody tr:last-child td{border-bottom:none}
table.matrix tbody tr:hover{background:rgba(62,124,107,.04)}
table.matrix td:first-child{font-weight:600;color:var(--pine)}
.state{font-weight:600}
.state.yes{color:var(--ok)}
.state.no{color:var(--ink-3)}
.state.warn{color:var(--warn)}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.accordion.faq-acc{
  border:none;background:transparent;margin:0;
}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:14px;background:var(--card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);
  transition:border-color var(--t);
}
.faq-acc .accordion-item:hover{border-color:rgba(62,124,107,.42)}
.faq-acc .accordion-title{
  padding:20px 56px 20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  background:transparent;border:none;position:relative;
}
.faq-acc .accordion-title:hover,.faq-acc .accordion-title:focus{background:transparent;color:var(--celadon)}
.faq-acc .accordion-title::before{
  content:"";position:absolute;right:24px;top:50%;
  width:9px;height:9px;border-right:2px solid var(--celadon);border-bottom:2px solid var(--celadon);
  transform:translateY(-70%) rotate(45deg);
  transition:transform var(--t);
}
.faq-acc .accordion-item.is-active .accordion-title::before{transform:translateY(-20%) rotate(-135deg)}
.faq-acc .accordion-content{
  padding:0 24px 22px;background:rgba(246,244,239,.7);border:none;
  color:var(--ink-2);font-size:15px;
}
.faq-acc .accordion-content p{margin:0}

/* ---------- cta bar ---------- */
.cta-bar{
  display:grid;gap:24px;align-items:center;
  background:linear-gradient(100deg,var(--pine) 0%,#12463C 100%);
  color:#fff;border-radius:20px;padding:34px 40px;
  border:1px solid rgba(255,255,255,.1);
}
@media (min-width:1024px){.cta-bar{grid-template-columns:minmax(0,1fr) auto}}
.cta-bar h3{color:#fff;font-size:21px;margin-bottom:8px}
.cta-bar p{color:rgba(255,255,255,.74);font-size:14.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.36)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--pine);color:rgba(255,255,255,.8);
  margin-top:96px;padding:72px 0 28px;
}
.footer-grid{
  display:grid;gap:40px;
  grid-template-columns:repeat(2,minmax(0,1fr));
}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}}
.footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16.5px;
  margin-bottom:16px;
}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);max-width:340px;line-height:1.8}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.04em}
.footer-list li,.footer-contact li{margin-bottom:10px;font-size:14px}
.footer-list a,.footer-contact a{color:rgba(255,255,255,.8)}
.footer-list a:hover,.footer-contact a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-top{flex-wrap:wrap;gap:12px 16px}
  .search-wrap{order:3;flex:0 0 100%;max-width:100%;margin:0}
  .brand{font-size:15px}
  .search-wrap input{height:44px}
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  .page-banner .wrap{padding-top:36px;padding-bottom:42px}
  .entry-row{grid-template-columns:80px minmax(0,1fr);gap:16px}
  .entry-link{grid-column:2;justify-self:start;align-self:start}
  .verify{padding:40px 28px;border-radius:20px}
  .cta-bar{padding:28px 26px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .nav-actions .link-quiet{display:none}
  .brand span:last-child{white-space:normal;line-height:1.3}
  .section{padding:52px 0}
  .section.tight{padding:44px 0}
  .verify{padding:32px 22px}
  .verify-grid{grid-template-columns:1fr}
  .table-shell{background:transparent;border:none;box-shadow:none;overflow:visible}
  table.matrix,table.matrix tbody,table.matrix tr,table.matrix td{display:block;width:100%}
  table.matrix thead{display:none}
  table.matrix tr{
    background:var(--card);border:1px solid var(--line);border-radius:14px;
    padding:8px 4px;margin-bottom:12px;box-shadow:var(--shadow);
  }
  table.matrix td{border-bottom:1px dashed var(--line);padding:12px 18px}
  table.matrix tr td:last-child{border-bottom:none}
  table.matrix td::before{
    content:attr(data-label);display:block;
    font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:4px;
  }
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{margin-top:64px;padding:56px 0 24px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --ink:#0F2E28;
  --ink-deep:#081B17;
  --celadon:#3E7C6B;
  --celadon-light:#A8CFC3;
  --orange:#FF7A3C;
  --sand:#F6F4EF;
  --white:#FFFFFF;
  --text:#14201D;
  --text-soft:#5A6B66;
  --text-mute:#93A19C;
  --line:#E4E1D9;
  --ok:#2E8B6F;
  --warn:#B23A2E;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(15,46,40,.05), 0 8px 24px rgba(15,46,40,.06);
  --shadow-2:0 12px 32px rgba(15,46,40,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:24px;
  --section-pad:104px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  font-weight:400;
  letter-spacing:.005em;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--celadon);outline-offset:2px;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;letter-spacing:-.02em;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text);}
.num{font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){ .wrap{max-width:1320px;} }

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;background:transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-pill{border-radius:999px;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,122,60,.26);}
.btn-primary:hover{background:#ff8b55;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,60,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,122,60,.24);}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);transform:translateY(-2px);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:rgba(15,46,40,.08);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#164039;transform:translateY(-2px);box-shadow:var(--shadow-2);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  font-size:13px;line-height:1.5;font-weight:500;
  background:rgba(62,124,107,.1);color:var(--celadon);
  border:1px solid rgba(62,124,107,.16);
}
.tag-warm{background:rgba(255,122,60,.1);color:#D9551C;border-color:rgba(255,122,60,.2);}
.tag-ok{background:rgba(46,139,111,.1);color:var(--ok);border-color:rgba(46,139,111,.18);}

.section{padding:var(--section-pad) 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);}
.section-head p{margin-top:14px;color:var(--text-soft);font-size:16.5px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--celadon);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .kicker::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px;}

.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;align-items:center;gap:24px;
  padding:14px 0;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;flex-shrink:0;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(150deg,var(--ink) 0%,var(--celadon) 100%);
  color:#fff;font-size:14px;font-weight:700;letter-spacing:0;
}
.search-wrap{
  position:relative;flex:1 1 auto;max-width:560px;
}
.search-wrap svg{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--text-mute);pointer-events:none;
}
.search-wrap input[type="search"]{
  width:100%;height:48px;margin:0;
  padding:0 20px 0 48px;
  border:1px solid var(--line);border-radius:999px;
  background:#FAF9F6;color:var(--text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.search-wrap input[type="search"]::placeholder{color:var(--text-mute);}
.search-wrap input[type="search"]:focus{
  outline:none;background:#fff;border-color:var(--celadon);
  box-shadow:0 0 0 2px rgba(62,124,107,.18),var(--shadow-1);
}
.nav-actions{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.link-quiet{font-size:15px;color:var(--text-soft);}
.link-quiet:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px;}

.nav-sub{border-top:1px solid var(--line);background:#fff;}
.nav-sub ul{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.nav-sub ul::-webkit-scrollbar{display:none;}
.nav-sub li{flex:0 0 auto;}
.nav-sub a{
  display:inline-flex;align-items:center;
  height:52px;padding:0 16px;
  font-size:15px;color:var(--text-soft);
  border-bottom:2px solid transparent;
  white-space:nowrap;
}
.nav-sub a:hover{color:var(--ink);border-bottom-color:var(--celadon-light);}
.nav-sub a.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--orange);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink-deep);
  color:#fff;
  padding:96px 0 88px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.34;
  animation:heroZoom 8s var(--ease) forwards;
}
@keyframes heroZoom{from{transform:scale(1);}to{transform:scale(1.03);}}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,27,23,.94) 0%,rgba(15,46,40,.82) 52%,rgba(15,46,40,.5) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:880px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13.5px;letter-spacing:.06em;color:var(--celadon-light);
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(168,207,195,.32);background:rgba(168,207,195,.08);
  margin-bottom:24px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;letter-spacing:-.02em;line-height:1.2;
}
.hero-sub{
  margin-top:22px;max-width:700px;
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-badges span{
  font-size:12.5px;line-height:1;
  padding:9px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.88);
  font-variant-numeric:tabular-nums;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb-bar .wrap{display:flex;align-items:center;gap:8px;height:52px;font-size:13.5px;color:var(--text-mute);}
.crumb-bar a{color:var(--text-soft);}
.crumb-bar a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px;}
.crumb-bar .sep{color:var(--celadon-light);}
.crumb-bar .now{color:var(--ink);font-weight:600;}

/* ============ 验证方式卡片 ============ */
.verify-grid{margin-top:-8px;}
.v-card{
  position:relative;height:100%;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.v-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFD8D3;}
.v-card .ico{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(62,124,107,.1);color:var(--celadon);
  font-size:18px;margin-bottom:18px;
}
.v-card h3{font-size:20px;margin-bottom:10px;}
.v-card p{color:var(--text-soft);font-size:15.5px;line-height:1.8;}
.v-card .meta{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:8px;
}
.v-card .corner{
  position:absolute;top:20px;right:20px;
  font-size:12px;color:var(--text-mute);font-variant-numeric:tabular-nums;
}

/* ============ 流程步骤条 ============ */
.flow{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.flow-track{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:#fff;box-shadow:var(--shadow-1);
}
.flow-step{
  position:relative;padding:30px 24px 30px 24px;
  border-right:1px solid var(--line);
}
.flow-step:last-child{border-right:0;}
.flow-step .idx{
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--celadon);font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin:12px 0 10px;}
.flow-step p{font-size:14.8px;color:var(--text-soft);line-height:1.78;}
.flow-step::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:var(--celadon-light);
}
.flow-step.is-current::after{background:var(--orange);}
.flow-step.is-done::after{background:var(--celadon);}

/* ============ 深色面板 ============ */
.panel-dark{
  background:linear-gradient(160deg,var(--ink) 0%,var(--ink-deep) 100%);
  border-radius:22px;color:#fff;
  padding:56px;position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
}
.panel-dark::before{
  content:"";position:absolute;right:-120px;top:-120px;
  width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(62,124,107,.45),transparent 68%);
}
.panel-dark .panel-inner{position:relative;z-index:2;}
.panel-dark h2{color:#fff;font-size:clamp(23px,2.4vw,32px);}
.panel-dark .lead{margin-top:16px;color:rgba(255,255,255,.78);max-width:640px;font-size:16px;}
.status-bar{
  margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;
  padding:16px 20px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}
.status-item{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.85);}
.status-item .dot{width:8px;height:8px;border-radius:50%;}
.dot-ok{background:#4FD1A5;box-shadow:0 0 0 4px rgba(79,209,165,.16);}
.dot-warn{background:var(--orange);box-shadow:0 0 0 4px rgba(255,122,60,.18);}
.dot-mute{background:rgba(255,255,255,.35);}
.check-list{margin-top:12px;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--celadon-light);margin-top:6px;font-size:15px;}
.check-list strong{display:block;color:#fff;font-size:16px;font-weight:600;margin-bottom:4px;}
.check-list span{color:rgba(255,255,255,.72);font-size:14.6px;line-height:1.75;}

/* ============ 适用场景行列表 ============ */
.scene-list{border-top:1px solid var(--line);}
.scene-row{
  display:grid;grid-template-columns:200px 1fr 190px;
  gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.scene-row:hover{background:rgba(62,124,107,.035);}
.scene-row .scene-name{font-size:17px;font-weight:700;color:var(--ink);}
.scene-row .scene-desc{font-size:15.4px;color:var(--text-soft);line-height:1.78;}
.scene-row .scene-act{text-align:right;font-size:14.6px;}
.scene-row .scene-act a{color:var(--celadon);border-bottom:1px solid transparent;}
.scene-row .scene-act a:hover{color:var(--orange);border-bottom-color:var(--orange);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:14px;background:#fff;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.accordion .accordion-item:hover{border-color:#CFD8D3;}
.accordion .accordion-item.is-active{border-color:var(--celadon-light);box-shadow:var(--shadow-1);}
.accordion .accordion-title{
  border:0;padding:20px 58px 20px 24px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--ink);background:#fff;
  transition:background-color .2s var(--ease);
}
.accordion .accordion-title:hover{background:#FAF9F6;}
.accordion .accordion-title::before{
  content:"";position:absolute;right:26px;top:50%;
  width:9px;height:9px;
  border-right:2px solid var(--celadon);border-bottom:2px solid var(--celadon);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s var(--ease);
  background:none;margin:0;
}
.accordion .accordion-item.is-active .accordion-title::before{
  transform:translateY(-30%) rotate(-135deg);
}
.accordion .accordion-content{
  border:0;background:#FAF9F6;padding:2px 24px 22px;
  color:var(--text-soft);font-size:15.4px;line-height:1.85;
  transition:max-height .22s var(--ease);
}

/* ============ 咨询表单 / CTA ============ */
.cta-block{
  background:linear-gradient(155deg,var(--ink) 0%,#0B241F 100%);
  border-radius:24px;padding:56px;color:#fff;
  border:1px solid rgba(255,255,255,.12);
  position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;left:-100px;bottom:-140px;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,60,.18),transparent 70%);
}
.cta-block .cta-inner{position:relative;z-index:2;}
.cta-block h2{color:#fff;font-size:clamp(24px,2.6vw,34px);}
.cta-block .cta-text{margin-top:16px;color:rgba(255,255,255,.78);font-size:16px;max-width:520px;}
.cta-block .cta-points{margin-top:26px;}
.cta-block .cta-points li{
  display:flex;gap:10px;align-items:center;
  font-size:15px;color:rgba(255,255,255,.82);padding:7px 0;
}
.cta-block .cta-points i{color:var(--celadon-light);}

.form-card{
  background:#fff;border-radius:18px;padding:32px;
  box-shadow:0 20px 48px rgba(0,0,0,.22);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:14px;color:var(--text-mute);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field label .req{color:var(--orange);margin-left:3px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;margin:0;height:48px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#FAF9F6;padding:0 14px;font-size:15.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
  box-shadow:none;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:96px;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--celadon) 50%),linear-gradient(135deg,var(--celadon) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--celadon);
  box-shadow:inset 0 1px 2px rgba(15,46,40,.05),0 0 0 3px rgba(62,124,107,.14);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--warn);background:#FFF7F5;}
.field .err-msg{display:none;margin-top:7px;font-size:13px;color:var(--warn);}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;}
.check-row input[type="checkbox"]{width:18px;height:18px;margin:5px 0 0;accent-color:var(--celadon);flex-shrink:0;}
.check-row label{font-size:13.6px;color:var(--text-soft);line-height:1.7;font-weight:400;margin:0;}
.form-card .btn{width:100%;}
.form-foot{margin-top:14px;font-size:13px;color:var(--text-mute);text-align:center;}

.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:12px;
  background:rgba(46,139,111,.1);border:1px solid rgba(46,139,111,.24);
  color:#1F6B54;font-size:14.5px;
}
.form-success.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-deep);color:rgba(255,255,255,.8);
  padding:72px 0 28px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-about{font-size:14.6px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em;}
.footer-list li{margin-bottom:11px;}
.footer-list a,.footer-contact li{font-size:14.6px;color:rgba(255,255,255,.8);}
.footer-list a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px;}
.footer-contact li{margin-bottom:11px;color:rgba(255,255,255,.66);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;font-size:13.6px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--section-pad:84px;}
}
@media (max-width:1023px){
  :root{--section-pad:72px;--gap:20px;}
  .nav-top{flex-wrap:wrap;gap:14px;}
  .search-wrap{order:3;flex:1 1 100%;max-width:100%;}
  .nav-actions{margin-left:auto;}
  .page-hero{padding:72px 0 64px;}
  .flow-track{grid-template-columns:repeat(2,1fr);}
  .flow-step:nth-child(2){border-right:0;}
  .flow-step:nth-child(1),.flow-step:nth-child(2){border-bottom:1px solid var(--line);}
  .scene-row{grid-template-columns:150px 1fr;gap:16px;}
  .scene-row .scene-act{grid-column:2;text-align:left;}
  .panel-dark,.cta-block{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--section-pad:52px;}
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .brand{font-size:15.5px;}
  .brand-mark{width:32px;height:32px;font-size:13px;border-radius:9px;}
  .nav-actions .link-quiet{display:none;}
  .search-wrap input[type="search"]{height:44px;font-size:14.5px;}
  .page-hero{padding:56px 0 52px;}
  .hero-sub{font-size:15.8px;}
  .hero-cta .btn{flex:1 1 auto;}
  .v-card{padding:22px;}
  .flow-track{grid-template-columns:1fr;}
  .flow-step{border-right:0;border-bottom:1px solid var(--line);}
  .flow-step:last-child{border-bottom:0;}
  .panel-dark,.cta-block{padding:32px 22px;border-radius:18px;}
  .check-list li{gap:10px;}
  .scene-row{grid-template-columns:1fr;gap:8px;padding:22px 0;}
  .scene-row .scene-act{grid-column:1;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
  .section-head{margin-bottom:32px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
}

/* roulang page: category3 */
:root{
  --ink:#0F2E28;
  --ink-deep:#081B17;
  --jade:#3E7C6B;
  --jade-soft:#A8CFC3;
  --orange:#FF7A3C;
  --sand:#F6F4EF;
  --white:#FFFFFF;
  --text:#14201D;
  --text-2:#5A6B66;
  --text-3:#93A19C;
  --line:#E4E1D9;
  --ok:#2E8B6F;
  --warn:#B23A2E;
  --r-card:16px;
  --r-btn:10px;
  --r-tag:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(15,46,40,.05), 0 8px 24px rgba(15,46,40,.06);
  --sh-2:0 12px 32px rgba(15,46,40,.10);
  --wrap:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-0.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
hr{border:0;border-top:1px solid var(--line);margin:0;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
@media(min-width:1440px){.wrap{max-width:1320px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:24px;min-height:76px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.08em;
  padding:7px 11px;border-radius:8px;
}
.search-wrap{position:relative;flex:1 1 auto;max-width:520px;min-width:200px;}
.search-wrap svg{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:19px;height:19px;color:var(--text-3);pointer-events:none;
}
.search-wrap input{
  width:100%;height:48px;padding:0 18px 0 46px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:14.5px;color:var(--text);outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-wrap input::placeholder{color:var(--text-3);}
.search-wrap input:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(62,124,107,.16);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.link-quiet{font-size:14.5px;color:var(--text-2);padding:8px 4px;border-radius:6px;transition:color .18s var(--ease);}
.link-quiet:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-pill{border-radius:999px;}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange);box-shadow:0 6px 18px rgba(255,122,60,.26);}
.btn-primary:hover{transform:translateY(-2px);background:#ff8d57;box-shadow:0 12px 26px rgba(255,122,60,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(15,46,40,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn:focus-visible,.link-quiet:focus-visible,.nav-sub a:focus-visible{outline:2px solid var(--jade);outline-offset:2px;}

.nav-sub{border-top:1px solid var(--line);background:#fff;}
.nav-sub ul{display:flex;align-items:center;gap:30px;overflow-x:auto;scrollbar-width:none;}
.nav-sub ul::-webkit-scrollbar{display:none;}
.nav-sub a{
  display:inline-block;position:relative;padding:15px 0;font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .18s var(--ease);
}
.nav-sub a::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-sub a:hover{color:var(--ink);}
.nav-sub a:hover::after,.nav-sub a.is-active::after{transform:scaleX(1);}
.nav-sub a.is-active{color:var(--ink);font-weight:600;}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(8,27,23,.95) 0%,rgba(15,46,40,.82) 52%,rgba(15,46,40,.58) 100%);
}
.hero-media{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
  opacity:.34;animation:slowZoom 9s var(--ease) forwards;
}
@keyframes slowZoom{from{transform:scale(1);}to{transform:scale(1.04);}}
.hero-inner{position:relative;z-index:2;padding:64px 0 68px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.crumb a{border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:1px;transition:color .18s var(--ease),border-color .18s var(--ease);}
.crumb a:hover{color:#fff;border-color:var(--orange);}
.crumb .sep{color:rgba(255,255,255,.4);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-tag);font-size:13px;line-height:1.5;font-weight:600;
}
.tag-accent{background:rgba(255,122,60,.16);color:#FFB48C;border:1px solid rgba(255,122,60,.4);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;margin:18px 0 0;color:#fff;max-width:19em;
}
.hero-lede{margin-top:18px;max-width:44em;font-size:16.5px;color:rgba(255,255,255,.82);line-height:1.85;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:13px;line-height:1.5;
  border:1px solid rgba(255,255,255,.22);color:#D6E4DF;background:rgba(255,255,255,.05);
  font-variant-numeric:tabular-nums;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(255,122,60,.22);}
.dot-live{animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(255,122,60,.22);}50%{box-shadow:0 0 0 7px rgba(255,122,60,.06);}}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- generic section ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-dark{background:var(--ink);color:#fff;}
.section-dark .section-head p{color:rgba(255,255,255,.72);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:var(--ink);}
.section-dark .section-head h2{color:#fff;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--jade);text-transform:uppercase;margin-bottom:12px;
}
.section-dark .eyebrow{color:var(--jade-soft);}

/* ---------- diagnose strip (dark status panel) ---------- */
.diag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.diag-card{
  position:relative;padding:22px 20px 20px;border-radius:var(--r-card);
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);
  transition:transform .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.diag-card:hover{transform:translateY(-2px);border-color:rgba(255,122,60,.5);background:rgba(255,255,255,.07);}
.diag-card h3{font-size:17px;color:#fff;font-weight:700;}
.diag-card p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.75;}
.diag-status{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--jade-soft);margin-bottom:12px;font-variant-numeric:tabular-nums;}
.diag-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;color:#FFB48C;}
.diag-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- flow steps ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFD8D3;}
.flow-card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--jade),var(--jade-soft));
}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:#fff;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.flow-card h3{margin-top:16px;font-size:18px;color:var(--ink);}
.flow-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.flow-card ul{margin-top:14px;display:grid;gap:8px;}
.flow-card li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);}
.flow-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--jade-soft);}

/* ---------- fault list ---------- */
.fault-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh-1);}
.fault-head{
  display:grid;grid-template-columns:1.1fr 1fr 1.3fr;gap:20px;
  padding:16px 24px;background:#F1EFE9;border-bottom:1px solid var(--line);
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-2);
}
.fault-row{
  display:grid;grid-template-columns:1.1fr 1fr 1.3fr;gap:20px;
  padding:20px 24px;border-bottom:1px solid var(--line);align-items:start;
  transition:background-color .18s var(--ease);
}
.fault-row:last-child{border-bottom:0;}
.fault-row:hover{background:#FBFAF7;}
.fault-symptom{display:flex;gap:10px;font-weight:600;color:var(--ink);font-size:15px;}
.fault-symptom .bar{flex:0 0 3px;border-radius:3px;background:var(--warn);margin-top:4px;min-height:20px;}
.fault-row.lv-mid .fault-symptom .bar{background:var(--orange);}
.fault-row.lv-ok .fault-symptom .bar{background:var(--ok);}
.fault-cause,.fault-fix{font-size:14.5px;color:var(--text-2);}
.fault-fix{color:var(--text);}
.f-label{display:none;font-size:12.5px;color:var(--text-3);font-weight:600;letter-spacing:.05em;}

/* ---------- environment cards ---------- */
.env-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.env-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.env-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFD8D3;}
.env-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.env-body{padding:24px;}
.env-body h3{font-size:19px;color:var(--ink);}
.env-body p{margin-top:10px;font-size:14.5px;color:var(--text-2);}
.env-body ul{margin-top:16px;display:grid;gap:10px;}
.env-body li{position:relative;padding-left:24px;font-size:14.5px;color:var(--text-2);}
.env-body li i{position:absolute;left:0;top:4px;font-size:13px;color:var(--jade);}
.env-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
.env-foot a{font-size:14px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--jade-soft);padding-bottom:2px;}
.env-foot a:hover{border-color:var(--orange);}

/* ---------- accordion ---------- */
.faq-wrap{display:grid;grid-template-columns:1.65fr 1fr;gap:32px;align-items:start;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.accordion .accordion-item.is-active{border-color:var(--jade);box-shadow:0 10px 28px rgba(15,46,40,.09);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  background:#fff;border:0;border-radius:0;line-height:1.6;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:#FBFAF7;color:var(--ink);outline:none;}
.accordion .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  order:2;font-size:13px;color:var(--jade);transition:transform .22s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{transform:rotate(180deg);color:var(--orange);}
.accordion .accordion-content{
  padding:0 24px 22px;background:#FBFAF7;border:0;color:var(--text-2);font-size:15px;line-height:1.85;
  transition:max-height .22s var(--ease);
}
.accordion-content p + p{margin-top:10px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);position:sticky;top:108px;
}
.side-card h3{font-size:18px;color:var(--ink);}
.side-card p{margin-top:12px;font-size:14.5px;color:var(--text-2);}
.side-list{margin-top:18px;display:grid;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.side-list i{color:var(--jade);margin-top:6px;font-size:13px;}
.side-card .btn{margin-top:22px;}

/* ---------- CTA + form ---------- */
.cta-band{background:var(--ink-deep);color:#fff;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(62,124,107,.5),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;padding:82px 0;}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);color:#fff;}
.cta-inner .lede{margin-top:18px;color:rgba(255,255,255,.76);font-size:15.5px;}
.cta-points{margin-top:28px;display:grid;gap:14px;}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points i{color:var(--orange);margin-top:6px;font-size:13px;}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:30px;box-shadow:0 24px 60px rgba(8,27,23,.28);
  color:var(--text);
}
.form-card h3{font-size:19px;color:var(--ink);}
.form-card .hint{margin-top:8px;font-size:13.5px;color:var(--text-3);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);}
.field label .req{color:var(--orange);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:14.5px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--jade);box-shadow:inset 0 1px 3px rgba(15,46,40,.06),0 0 0 3px rgba(62,124,107,.14);
}
.checkline{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13.5px;color:var(--text-2);}
.checkline input{width:18px;height:18px;margin-top:5px;accent-color:var(--jade);}
.form-card .btn{margin-top:22px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.8);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:32em;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-list,.footer-contact{display:grid;gap:12px;}
.footer-list a,.footer-contact li{font-size:14px;color:rgba(255,255,255,.8);}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--orange);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8);}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}

/* ---------- responsive ---------- */
@media(max-width:1199px){
  .diag-grid,.flow-grid{grid-template-columns:repeat(2,1fr);}
  .env-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
}
@media(max-width:1023px){
  .section{padding:72px 0;}
  .nav-top{flex-wrap:wrap;}
  .search-wrap{order:3;width:100%;max-width:none;flex:1 1 100%;}
  .page-hero .hero-inner{padding:52px 0 56px;}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:64px 0;}
  .faq-wrap{grid-template-columns:1fr;}
  .side-card{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .env-grid{grid-template-columns:1fr;}
}
@media(max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .brand span:last-child{font-size:15.5px;}
  .nav-actions .link-quiet{display:none;}
  .diag-grid,.flow-grid{grid-template-columns:1fr;}
  .fault-head{display:none;}
  .fault-row{grid-template-columns:1fr;gap:10px;padding:20px;}
  .fault-symptom .bar{min-height:18px;}
  .f-label{display:block;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-cta .btn{width:100%;}
  .hero-cta{flex-direction:column;}
  .cta-inner{padding:52px 0;}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --green:#0F2E28;
  --green-deep:#081B17;
  --celadon:#3E7C6B;
  --celadon-light:#A8CFC3;
  --orange:#FF7A3C;
  --orange-deep:#D2591F;
  --sand:#F6F4EF;
  --paper:#FFFFFF;
  --ink:#14201D;
  --ink-2:#5A6B66;
  --ink-3:#93A19C;
  --line:#E4E1D9;
  --ok:#2E8B6F;
  --warn:#B23A2E;
  --r-card:16px;
  --r-btn:10px;
  --r-tag:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(15,46,40,.05), 0 8px 24px rgba(15,46,40,.06);
  --sh-2:0 12px 32px rgba(15,46,40,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1240px;
}

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

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

body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:inherit;
  color:inherit;
  line-height:1.32;
  letter-spacing:-.01em;
  font-weight:800;
}

p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--celadon);
  outline-offset:2px;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
strong{font-weight:700;}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:24px;
  padding:16px 0;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
  color:var(--green);
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:13px;
  background:var(--green);
  color:#FFFFFF;
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  flex:0 0 auto;
}
.search-wrap{
  position:relative;
  flex:1 1 auto;
  max-width:580px;
  min-width:220px;
}
.search-wrap svg{
  position:absolute;
  left:18px;
  top:50%;
  transform:translateY(-50%);
  width:18px;
  height:18px;
  color:var(--ink-3);
  pointer-events:none;
}
.search-wrap input{
  width:100%;
  height:48px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--sand);
  padding:0 22px 0 50px;
  font-size:14px;
  color:var(--ink);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  appearance:none;
}
.search-wrap input::placeholder{color:var(--ink-3);}
.search-wrap input:focus{
  outline:none;
  background:#FFFFFF;
  border-color:var(--celadon);
  box-shadow:0 0 0 3px rgba(62,124,107,.16);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:16px;
  margin-left:auto;
}
.link-quiet{
  font-size:14px;
  color:var(--ink-2);
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease), border-color .2s var(--ease);
}
.link-quiet:hover{color:var(--green);border-bottom-color:var(--orange);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:14px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  background:none;
  transition:transform .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn-pill{border-radius:999px;}
.btn-primary{
  background:var(--orange);
  color:#FFFFFF;
  box-shadow:0 8px 20px rgba(255,122,60,.26);
}
.btn-primary:hover{transform:translateY(-2px);background:#FF8A52;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  border-color:rgba(255,255,255,.45);
  color:#FFFFFF;
  background:rgba(255,255,255,.04);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);}
.btn-outline{
  border-color:var(--green);
  color:var(--green);
  background:transparent;
}
.btn-outline:hover{background:rgba(15,46,40,.08);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 18px;font-size:13px;}

.nav-sub{
  border-top:1px solid var(--line);
  background:#FFFFFF;
}
.nav-sub ul{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-sub ul::-webkit-scrollbar{display:none;}
.nav-sub a{
  display:inline-flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  font-size:14px;
  color:var(--ink-2);
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:color .2s var(--ease), border-color .2s var(--ease);
}
.nav-sub a:hover{color:var(--green);}
.nav-sub a.is-active{
  color:var(--green);
  font-weight:800;
  border-bottom-color:var(--orange);
}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--green-deep) url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  color:#FFFFFF;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg, rgba(8,27,23,.95) 0%, rgba(15,46,40,.86) 52%, rgba(15,46,40,.6) 100%);
}
.page-hero .wrap{
  position:relative;
  z-index:2;
  padding-top:56px;
  padding-bottom:72px;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:26px;
}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:#FFFFFF;text-decoration:underline;}
.crumbs span.sep{color:rgba(255,255,255,.36);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--celadon-light);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--orange);
  display:inline-block;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;
  letter-spacing:-.02em;
  margin:18px 0 0;
  max-width:920px;
}
.hero-sub{
  margin-top:18px;
  max-width:720px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.badge-group{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.02em;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.86);
  font-variant-numeric:tabular-nums;
}
.badge-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--orange);
  margin-right:8px;
  flex:0 0 auto;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}

/* ---------- 通用板块 ---------- */
.section{padding:104px 0;}
.section-white{background:#FFFFFF;}
.section-dark{
  background:linear-gradient(120deg,var(--green-deep),var(--green) 78%);
  color:#FFFFFF;
}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,36px);
  font-weight:800;
  margin-top:14px;
  letter-spacing:-.015em;
}
.section-head p{
  margin-top:14px;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
}
.section-dark .section-head p{color:rgba(255,255,255,.76);}

.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-tag);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  background:rgba(62,124,107,.12);
  color:var(--celadon);
  white-space:nowrap;
}
.tag-orange{background:rgba(255,122,60,.14);color:var(--orange-deep);}
.tag-plain{background:#F1EFE9;color:var(--ink-2);}
.tag-line{
  background:transparent;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-weight:600;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 下载区 ---------- */
.dl-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:24px;
  align-items:start;
}
.dl-main{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.dl-main::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:200px;
  height:200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(62,124,107,.14),transparent 68%);
}
.dl-main-head{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.dl-main h3{
  font-size:22px;
  font-weight:800;
}
.dl-main p.desc{
  margin-top:14px;
  color:var(--ink-2);
  font-size:15px;
}
.spec-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:24px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.spec-list .k{
  font-size:12px;
  color:var(--ink-3);
  letter-spacing:.04em;
}
.spec-list .v{
  margin-top:4px;
  font-size:16px;
  font-weight:700;
  color:var(--green);
  font-variant-numeric:tabular-nums;
  word-break:break-all;
}
.hash-line{
  margin-top:20px;
  padding:14px 16px;
  border-radius:var(--r-btn);
  background:#F4F2EC;
  border:1px dashed var(--line);
  font-size:12.5px;
  color:var(--ink-2);
  font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;
  word-break:break-all;
  line-height:1.7;
}
.dl-main .btn{margin-top:24px;}

.dl-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.dl-row{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.dl-row:hover{
  transform:translateY(-2px);
  border-color:var(--celadon-light);
  box-shadow:var(--sh-2);
}
.dl-row .ico{
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(62,124,107,.12);
  color:var(--celadon);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:800;
  flex:0 0 auto;
  letter-spacing:.02em;
}
.dl-row .meta{flex:1 1 auto;min-width:0;}
.dl-row .meta h4{font-size:16px;font-weight:700;}
.dl-row .meta p{
  margin-top:4px;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.dl-row .go{
  font-size:13px;
  font-weight:700;
  color:var(--green);
  white-space:nowrap;
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease), color .2s var(--ease);
}
.dl-row:hover .go{border-bottom-color:var(--orange);color:var(--orange-deep);}

/* ---------- 适配对照表 ---------- */
.table-wrap{
  overflow-x:auto;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
table.version-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:14px;
  margin:0;
}
.version-table thead th{
  background:#F3F1EB;
  color:var(--green);
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.06em;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.version-table tbody td{
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
  vertical-align:middle;
}
.version-table tbody tr:nth-child(even){background:#FAF9F6;}
.version-table tbody tr:last-child td{border-bottom:none;}
.version-table tbody td:first-child{
  color:var(--ink);
  font-weight:700;
  white-space:nowrap;
}
.state-ok{color:var(--ok);font-weight:700;}
.state-warn{color:var(--warn);font-weight:700;}
.table-note{
  margin-top:16px;
  font-size:13.5px;
  color:var(--ink-3);
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:30px;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;
  top:8px;
  bottom:14px;
  width:2px;
  background:var(--line);
}
.tl-item{
  position:relative;
  padding-bottom:36px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-30px;
  top:7px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:#FFFFFF;
  border:2px solid var(--celadon-light);
}
.tl-item.is-current::before{
  border-color:var(--orange);
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,122,60,.16);
}
.tl-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.tl-meta .ver{
  font-weight:800;
  color:var(--green);
  font-size:14px;
}
.tl-item h3{
  margin-top:8px;
  font-size:17px;
  font-weight:700;
}
.tl-item p{
  margin-top:6px;
  color:var(--ink-2);
  font-size:14.5px;
}
.tl-item ul{
  margin-top:10px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.tl-item ul li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--ink-2);
}
.tl-item ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--celadon-light);
}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.step{
  display:flex;
  gap:18px;
  padding:24px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.step:hover{
  transform:translateY(-2px);
  border-color:var(--celadon-light);
  box-shadow:var(--sh-2);
}
.step-num{
  font-size:28px;
  font-weight:800;
  line-height:1;
  color:var(--celadon-light);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
  padding-top:2px;
}
.step h3{font-size:17px;font-weight:700;}
.step p{margin-top:8px;font-size:14.5px;color:var(--ink-2);}

/* ---------- 自检清单 ---------- */
.check-layout{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
}
.check-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px 26px;
}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  width:18px;
  height:18px;
  border-radius:50%;
  background:rgba(46,139,111,.12);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:6px;
  top:11px;
  width:5px;
  height:9px;
  border-right:2px solid var(--ok);
  border-bottom:2px solid var(--ok);
  transform:rotate(42deg);
}
.check-list li strong{color:var(--ink);font-weight:700;}
.media-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:#FFFFFF;
}
.media-figure img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
}
.media-figure figcaption{
  padding:14px 18px;
  font-size:13px;
  color:var(--ink-3);
  border-top:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq-panel{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq .accordion{
  margin:0;
  background:transparent;
  border:none;
}
.faq .accordion-item{border-bottom:1px solid var(--line);}
.faq .accordion-item:last-child{border-bottom:none;}
.faq .accordion-title{
  display:block;
  position:relative;
  padding:22px 60px 22px 24px;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  background:transparent;
  border:none;
  line-height:1.6;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.faq .accordion-title:hover{color:var(--celadon);background:#FBFAF6;}
.faq .accordion-title::before{
  content:"";
  position:absolute;
  right:24px;
  top:50%;
  width:9px;
  height:9px;
  border-right:2px solid var(--celadon);
  border-bottom:2px solid var(--celadon);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s var(--ease), border-color .22s var(--ease);
}
.faq .accordion-item.is-active .accordion-title{
  color:var(--green);
  background:#FBFAF6;
}
.faq .accordion-item.is-active .accordion-title::before{
  transform:translateY(-30%) rotate(-135deg);
  border-color:var(--orange);
}
.faq .accordion-content{
  padding:0 24px 24px;
  background:#FBFAF6;
  border:none;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
}
.faq .accordion-content p + p{margin-top:10px;}

.contact-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
}
.contact-card h3{
  font-size:18px;
  font-weight:800;
}
.contact-card p{
  margin-top:12px;
  font-size:14.5px;
  color:var(--ink-2);
}
.contact-list{
  margin-top:20px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.contact-list li{
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  color:var(--ink-2);
}
.contact-list li:last-child{border-bottom:none;padding-bottom:0;}
.contact-list .k{
  display:block;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink-3);
  margin-bottom:4px;
}
.contact-card .btn{margin-top:22px;width:100%;}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:44px;
  border-radius:20px;
  background:linear-gradient(118deg,var(--green-deep) 0%,var(--green) 62%,#17544A 100%);
  color:#FFFFFF;
  box-shadow:0 18px 44px rgba(15,46,40,.22);
}
.cta-band h2{
  font-size:clamp(22px,2.3vw,30px);
  font-weight:800;
  letter-spacing:-.01em;
  max-width:620px;
}
.cta-band p{
  margin-top:12px;
  color:rgba(255,255,255,.78);
  font-size:15px;
  max-width:620px;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(255,255,255,.8);
  padding:76px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#FFFFFF;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#FFFFFF;}
.footer-about{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:340px;
}
.site-footer h4{
  font-size:14px;
  font-weight:800;
  color:#FFFFFF;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-list,
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:12px;
  font-size:14px;
}
.footer-list a,
.footer-contact li{
  color:rgba(255,255,255,.8);
  transition:color .2s var(--ease);
}
.footer-list a:hover{
  color:#FFFFFF;
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#FFFFFF;text-decoration:underline;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .check-layout{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;}
  .footer-grid>div:last-child{grid-column:span 3;}
}

@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .nav-top{flex-wrap:wrap;gap:14px;}
  .brand{font-size:15px;}
  .search-wrap{order:3;flex:0 0 100%;max-width:none;min-width:0;}
  .nav-actions .link-quiet{display:none;}
  .dl-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .page-hero .wrap{padding-top:42px;padding-bottom:56px;}
}

@media screen and (max-width:767px){
  .spec-list{grid-template-columns:1fr 1fr;}
  .check-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid>div:last-child{grid-column:span 2;}
  .cta-band{padding:32px 24px;}
  .contact-card{padding:22px;}
}

@media screen and (max-width:520px){
  .wrap{padding:0 20px;}
  .section{padding:52px 0;}
  .brand{font-size:14px;gap:8px;}
  .brand-mark{width:38px;height:38px;font-size:13px;border-radius:12px;}
  .nav-actions{gap:10px;}
  .search-wrap input{height:44px;font-size:13px;padding-left:46px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .dl-main{padding:22px;}
  .dl-row{padding:16px;gap:12px;}
  .spec-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-grid>div:last-child{grid-column:span 1;}
  .faq .accordion-title{padding:18px 52px 18px 18px;font-size:15px;}
  .faq .accordion-content{padding:0 18px 20px;}
  .steps{gap:14px;}
  .step{padding:20px;}
}

@media (prefers-reduced-motion: reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .dl-row:hover,.step:hover,.btn:hover{transform:none !important;}
}