/* roulang page: index */
:root{
  --green-900:#08251F;
  --green-800:#0E3A31;
  --green-600:#1F6B56;
  --green-400:#2FA57F;
  --orange:#F26A3C;
  --orange-light:#FF8557;
  --orange-deep:#F25A2C;
  --orange-soft:#FFE8DD;
  --lime:#D6F25E;
  --paper:#F7F5EF;
  --paper-2:#EDF1E8;
  --white:#FFFFFF;
  --line:#DCE4DA;
  --ink:#12211C;
  --ink-2:#5E6F67;
  --danger:#C2412D;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-btn:14px;
  --shadow-sm:0 10px 24px -18px rgba(8,37,31,.35);
  --shadow:0 18px 40px -24px rgba(8,37,31,.28);
  --shadow-hover:0 24px 60px -22px rgba(8,37,31,.36);
  --grad-main:linear-gradient(135deg,#08251F 0%,#0E3A31 52%,#1F6B56 100%);
  --grad-btn:linear-gradient(135deg,#FF8557 0%,#F25A2C 100%);
  --mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
svg{display:block;}
::selection{background:rgba(242,106,60,.24);}
:focus-visible{outline:3px solid rgba(242,106,60,.38);outline-offset:2px;border-radius:8px;}
body.no-scroll{overflow:hidden;}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:248px;
  background:var(--white);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:30px 18px 24px;
  z-index:60;
  overflow-y:auto;
  scrollbar-width:thin;
}
.brand{display:block;padding:0 10px;margin-bottom:30px;}
.brand-lg{
  display:block;
  font-size:27px;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  color:var(--green-900);
}
.brand-sm{
  display:block;
  margin-top:6px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--ink-2);
}
.brand:focus-visible{outline-offset:6px;}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;}
.side-nav__item{
  position:relative;
  display:flex;
  align-items:center;
  gap:11px;
  height:44px;
  padding:0 12px;
  border-radius:12px;
  font-size:15px;
  color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.side-nav__item svg{width:18px;height:18px;flex:none;opacity:.72;transition:opacity .18s ease;}
.side-nav__item:hover{background:var(--paper-2);}
.side-nav__item:hover svg{opacity:1;}
.side-nav__item.is-active{
  background:rgba(242,106,60,.12);
  color:var(--green-900);
  font-weight:700;
}
.side-nav__item.is-active svg{opacity:1;color:var(--orange-deep);}
.side-nav__item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:3px;
  background:var(--orange);
}
.sidebar__foot{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:14px;}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  align-self:flex-start;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(214,242,94,.28);
  color:var(--green-900);
  font-size:12px;
  font-weight:600;
}
.status-chip .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--green-600);
  box-shadow:0 0 0 3px rgba(31,107,86,.18);
}
.mask{
  position:fixed;
  inset:0;
  background:rgba(8,37,31,.6);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;
  z-index:59;
}
.mask.is-open{opacity:1;visibility:visible;}

/* ---------- 移动顶栏 ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  z-index:55;
}
.mobile-brand{display:flex;flex-direction:column;line-height:1.1;}
.mobile-brand b{font-size:18px;font-weight:800;color:var(--green-900);letter-spacing:-.01em;}
.mobile-brand span{font-size:11px;color:var(--ink-2);letter-spacing:.1em;margin-top:3px;}
.burger{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--white);
  color:var(--green-900);
}
.burger:hover{background:var(--paper-2);}

/* ---------- 主内容 ---------- */
.main{margin-left:248px;padding-bottom:110px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 48px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:50px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-primary{
  background:var(--grad-btn);
  color:#fff;
  box-shadow:0 14px 28px -16px rgba(242,90,44,.9);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 36px -16px rgba(242,90,44,.95);}
.btn-primary:hover svg{transform:translateX(3px);}
.btn-primary:active{transform:none;filter:none;}
.btn-ghost{
  background:var(--white);
  border:1.5px solid var(--green-900);
  color:var(--green-900);
}
.btn-ghost:hover{background:var(--green-900);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:none;}
.btn-light-outline{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.6);
  color:#fff;
}
.btn-light-outline:hover{background:rgba(255,255,255,.15);transform:translateY(-2px);}
.btn-light-outline:active{transform:none;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--green-600);
}
.link-arrow svg{width:15px;height:15px;transition:transform .2s ease;}
.link-arrow:hover{color:var(--orange-deep);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:680px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--orange-deep);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;border-radius:2px;
  background:var(--orange);
}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--green-900);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16.5px;}
h3{font-size:21px;font-weight:700;line-height:1.45;color:var(--green-900);}

/* ---------- 首屏 ---------- */
.hero{padding:64px 0 88px;}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;}
.hero h1{
  font-size:clamp(30px,4vw,52px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--green-900);
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--green-600);
  box-shadow:inset 0 -12px 0 rgba(214,242,94,.5);
}
.hero__sub{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:520px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--white);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--ink-2);
}
.pill strong{color:var(--green-900);font-family:var(--mono);font-weight:700;}

.channel-card{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  padding:32px 30px 30px;
  color:#fff;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-hover);
  isolation:isolate;
}
.channel-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(150deg,rgba(8,37,31,.78),rgba(14,58,49,.7) 60%,rgba(31,107,86,.66));
  z-index:-1;
}
.channel-card__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.channel-card__head h2{font-size:18px;color:#fff;font-weight:700;}
.channel-card__head span{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.6);}
.channel-list{display:flex;flex-direction:column;gap:12px;}
.channel-row{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.channel-row:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3);transform:translateY(-2px);}
.channel-row__icon{
  width:38px;height:38px;
  flex:none;
  display:grid;place-items:center;
  border-radius:11px;
  background:rgba(214,242,94,.18);
  color:var(--lime);
}
.channel-row__icon svg{width:19px;height:19px;}
.channel-row__body{flex:1 1 auto;min-width:0;}
.channel-row__body b{display:block;font-size:15px;font-weight:700;}
.channel-row__body small{display:block;font-size:12px;color:rgba(255,255,255,.66);margin-top:2px;}
.tick{
  flex:none;
  padding:3px 10px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
  background:rgba(214,242,94,.9);
  color:var(--green-900);
  font-family:var(--mono);
}
.tick--soft{background:rgba(255,255,255,.16);color:#fff;}
.channel-row__arrow{flex:none;color:rgba(255,255,255,.6);}
.channel-row__arrow svg{width:16px;height:16px;transition:transform .2s ease;}
.channel-row:hover .channel-row__arrow svg{transform:translateX(3px);}

.float-badge{
  position:absolute;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 15px;
  border-radius:999px;
  background:var(--lime);
  color:var(--green-900);
  font-size:12px;
  font-weight:700;
  box-shadow:0 16px 28px -16px rgba(0,0,0,.55);
  z-index:2;
}
.float-badge b{font-family:var(--mono);font-size:15px;}
.float-badge--a{top:-12px;right:22px;}
.float-badge--b{bottom:-14px;left:22px;background:#fff;color:var(--green-900);}

/* ---------- 卖点三连 ---------- */
.value-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green-400);}
.value-big{padding:36px;display:flex;flex-direction:column;gap:18px;}
.card-num{
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--orange-deep);
}
.icon-box{
  width:52px;height:52px;
  display:grid;place-items:center;
  border-radius:15px;
  background:var(--paper-2);
  color:var(--green-600);
}
.icon-box svg{width:24px;height:24px;}
.value-big p{color:var(--ink-2);font-size:16px;}
.value-big .link-arrow{margin-top:auto;}
.value-side{display:flex;flex-direction:column;gap:24px;}
.value-small{padding:28px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.value-small h3{font-size:19px;}
.value-small p{font-size:15px;color:var(--ink-2);line-height:1.75;}
.value-small .icon-box{width:44px;height:44px;border-radius:13px;background:var(--orange-soft);color:var(--orange-deep);}
.value-small .icon-box svg{width:20px;height:20px;}
.value-small .card-num{color:var(--green-600);}

/* ---------- 场景演示 ---------- */
.demo{background:var(--paper-2);border-radius:var(--r-xl);padding:56px 48px;}
.demo-grid{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start;}
.step-tabs{display:flex;flex-direction:column;gap:12px;}
.step-tab{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--r-md);
  background:var(--white);
  border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  width:100%;
  text-align:left;
}
.step-tab:hover{border-color:var(--green-400);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.step-tab__no{
  flex:none;
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  color:#fff;
  background:var(--green-600);
  border-radius:8px;
  padding:3px 8px;
  line-height:1.5;
  margin-top:2px;
}
.step-tab.is-active{background:var(--green-900);border-color:var(--green-900);}
.step-tab.is-active .step-tab__no{background:var(--orange);}
.step-tab.is-active b{color:#fff;}
.step-tab b{display:block;font-size:15.5px;font-weight:700;color:var(--green-900);}
.step-tab span{display:block;font-size:13px;color:var(--ink-2);margin-top:4px;line-height:1.6;}
.step-tab.is-active span{color:rgba(255,255,255,.72);}
.demo-panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  position:relative;
}
.demo-panel__media{position:relative;}
.demo-panel__media img{width:100%;height:270px;object-fit:cover;border-radius:0;}
.demo-panel__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,37,31,0) 44%,rgba(8,37,31,.55));
}
.demo-panel__tag{
  position:absolute;
  left:20px;bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--green-900);
  font-size:12.5px;
  font-weight:700;
}
.demo-panel__tag .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);}
.demo-panel__body{padding:28px 30px 32px;}
.demo-panel__body h3{margin-bottom:16px;font-size:20px;}
.demo-points{display:flex;flex-direction:column;gap:12px;}
.demo-points li{
  display:flex;
  gap:11px;
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.75;
}
.demo-points li svg{width:17px;height:17px;flex:none;margin-top:6px;color:var(--green-400);}
.demo-badge{
  position:absolute;
  top:20px;right:20px;
  z-index:2;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(214,242,94,.96);
  color:var(--green-900);
  font-size:12px;
  font-weight:700;
}
.demo-badge b{font-family:var(--mono);font-size:15px;}

/* ---------- 社会认同 ---------- */
.proof{
  position:relative;
  border-radius:var(--r-xl);
  padding:56px 52px;
  color:#fff;
  background:var(--grad-main);
  overflow:hidden;
  isolation:isolate;
}
.proof::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-160px;top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.34),rgba(242,106,60,0) 68%);
  z-index:-1;
}
.proof-head{max-width:620px;margin-bottom:36px;}
.proof-head h2{color:#fff;}
.proof-head p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px;}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px;}
.stat{
  padding:20px 22px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
}
.stat b{
  display:block;
  font-family:var(--mono);
  font-size:30px;
  font-weight:700;
  line-height:1.1;
  color:var(--lime);
  letter-spacing:-.02em;
}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.72);}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.quote{
  padding:26px 28px;
  border-radius:20px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  transition:background .2s ease,transform .2s ease;
}
.quote:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);}
.quote p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.9);}
.quote footer{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);}
.avatar{
  width:32px;height:32px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(214,242,94,.9);
  color:var(--green-900);
  font-size:13px;
  font-weight:800;
  font-family:var(--mono);
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.news-intro h2{margin-bottom:14px;}
.news-intro p{color:var(--ink-2);font-size:16px;margin-bottom:24px;}
.news-intro .pill{margin-bottom:10px;}
.news-feature{
  display:grid;
  grid-template-columns:230px 1fr;
  gap:24px;
  padding:22px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  margin-bottom:20px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green-400);}
.news-feature img{width:100%;height:100%;min-height:170px;object-fit:cover;border-radius:var(--r-md);}
.news-feature__body{display:flex;flex-direction:column;gap:10px;justify-content:center;}
.news-feature__body h3{font-size:19px;line-height:1.5;}
.news-feature__body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-2);}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 11px;
  border-radius:999px;
  background:var(--orange-soft);
  color:var(--orange-deep);
  font-size:12px;
  font-weight:700;
}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:grid;
  grid-template-columns:120px 1fr auto;
  gap:18px;
  align-items:center;
  padding:16px 20px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--green-400);}
.news-item img{width:120px;height:84px;object-fit:cover;border-radius:12px;}
.news-item__body h4{font-size:16px;font-weight:700;color:var(--green-900);line-height:1.5;margin-bottom:6px;}
.news-item__body p{font-size:13.5px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-item__arrow{color:var(--green-400);}
.news-item__arrow svg{width:18px;height:18px;transition:transform .2s ease;}
.news-item:hover .news-item__arrow svg{transform:translateX(3px);}
.empty-state{
  border:1.5px dashed var(--line);
  border-radius:var(--r-lg);
  padding:52px 28px;
  text-align:center;
  background:var(--white);
}
.empty-state svg{width:40px;height:40px;margin:0 auto 14px;color:var(--ink-2);opacity:.6;}
.empty-state b{display:block;font-size:16px;color:var(--green-900);margin-bottom:6px;}
.empty-state span{display:block;font-size:14px;color:var(--ink-2);margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--green-400);box-shadow:var(--shadow-sm);}
.faq-item[open]{background:rgba(237,241,232,.72);border-color:var(--green-400);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:16px;
  font-weight:700;
  color:var(--green-900);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-plus{
  flex:none;
  width:26px;height:26px;
  position:relative;
  border-radius:50%;
  background:var(--paper-2);
  transition:transform .24s ease,background .24s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:11px;height:1.8px;
  border-radius:2px;
  background:var(--green-900);
  transform:translate(-50%,-50%);
}
.faq-plus::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--orange-soft);}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-xl);
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  color:#fff;
  background:var(--grad-main);
  overflow:hidden;
  isolation:isolate;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:460px;height:460px;
  right:-140px;bottom:-260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.36),rgba(242,106,60,0) 70%);
  z-index:-1;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:520px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand b{
  display:block;
  font-size:20px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer-col a:hover{color:var(--orange-light);}
.footer-col p{font-size:13.5px;line-height:1.8;}
.footer-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.46);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.13);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 固定转化条 ---------- */
.sticky-cta{
  position:fixed;
  left:248px;right:0;bottom:0;
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:0 32px;
  background:var(--green-900);
  border-top:1px solid rgba(255,255,255,.12);
  z-index:50;
}
.sticky-cta__text{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.78);font-size:14px;min-width:0;}
.sticky-cta__text .dot{
  flex:none;
  width:8px;height:8px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(214,242,94,.18);
}
.sticky-cta__text span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-cta__actions{display:flex;gap:10px;flex:none;}
.sticky-cta .btn{min-height:42px;padding:0 20px;font-size:14px;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 36px;}
  .hero__grid{gap:36px;}
  .demo{padding:44px 36px;}
  .demo-grid{grid-template-columns:260px 1fr;gap:28px;}
  .proof{padding:44px 38px;}
  .cta-band{padding:44px 40px;}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow:0 0 60px rgba(8,37,31,.28);
    padding-top:26px;
  }
  .sidebar.is-open{transform:translateX(0);}
  .mobile-bar{display:flex;}
  .main{margin-left:0;padding-top:60px;padding-bottom:96px;}
  .sticky-cta{left:0;height:64px;padding:0 18px;}
  .sticky-cta .btn{min-height:40px;padding:0 16px;font-size:13.5px;}
  .hero{padding:44px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:44px;}
  .hero__sub{max-width:none;}
  .channel-card{max-width:560px;}
  .value-grid{grid-template-columns:1fr;}
  .value-side{flex-direction:row;}
  .demo-grid{grid-template-columns:1fr;gap:26px;}
  .step-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .step-tab{min-width:230px;flex:none;}
  .news-grid{grid-template-columns:1fr;gap:32px;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:28px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero__sub{font-size:16px;}
  .hero__actions{width:100%;}
  .hero__actions .btn{flex:1 1 100%;}
  .channel-card{padding:26px 20px 24px;border-radius:26px;}
  .float-badge--a{right:14px;top:-12px;}
  .float-badge--b{left:14px;bottom:-14px;}
  .value-big{padding:26px 22px;}
  .value-small{padding:22px 20px;}
  .value-side{flex-direction:column;}
  .demo{padding:30px 20px;border-radius:26px;}
  .demo-panel__media img{height:200px;}
  .demo-panel__body{padding:22px 20px 26px;}
  .proof{padding:34px 22px;border-radius:26px;}
  .quote-grid{grid-template-columns:1fr;}
  .stat{padding:16px 16px;}
  .stat b{font-size:25px;}
  .news-feature{grid-template-columns:1fr;padding:16px;}
  .news-feature img{height:190px;min-height:0;}
  .news-item{grid-template-columns:96px 1fr;gap:14px;padding:14px;}
  .news-item img{width:96px;height:70px;}
  .news-item__arrow{display:none;}
  .cta-band{padding:32px 22px;border-radius:26px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .faq-item summary{padding:17px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sticky-cta__actions .btn:not(.btn-primary){display:none;}
  .sticky-cta__text{font-size:13px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
}
@media (max-width:520px){
  .brand-lg{font-size:24px;}
  .sticky-cta{padding:0 14px;gap:12px;}
  .sticky-cta__text span{max-width:150px;}
  .mobile-brand b{font-size:17px;}
  .meta-row{font-size:12px;}
  .news-feature img{height:170px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: article */
:root{
  --green-900:#08251F;
  --green-800:#0E3A31;
  --green-600:#1F6B56;
  --green-400:#2FA57F;
  --orange:#F26A3C;
  --orange-light:#FF8557;
  --orange-soft:#FFE8DD;
  --signal:#D6F25E;
  --paper:#F7F5EF;
  --paper-2:#EDF1E8;
  --card:#FFFFFF;
  --line:#DCE4DA;
  --ink:#12211C;
  --muted:#5E6F67;
  --danger:#C2412D;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-btn:14px;
  --shadow:0 18px 40px -24px rgba(8,37,31,.28);
  --shadow-hover:0 24px 60px -22px rgba(8,37,31,.36);
  --grad-main:linear-gradient(135deg,#08251F 0%,#0E3A31 55%,#1F6B56 100%);
  --grad-btn:linear-gradient(135deg,#FF8557 0%,#F25A2C 100%);
  --nav-w:248px;
  --bar-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-left:var(--nav-w);
  padding-bottom:calc(var(--bar-h) + 32px);
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--radius-md)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(242,106,60,.22)}
:focus-visible{outline:3px solid rgba(242,106,60,.35);outline-offset:2px;border-radius:8px}

/* 容器 */
.shell{max-width:1240px;margin:0 auto;padding:0 48px}

/* ============ 侧边栏 ============ */
.sidebar{
  position:fixed;left:0;top:0;z-index:60;
  width:var(--nav-w);height:100vh;
  background:#FFFFFF;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
}
.sidebar__inner{display:flex;flex-direction:column;height:100%;padding:26px 18px 20px;overflow-y:auto}
.brand{display:flex;flex-direction:column;gap:2px;padding:0 8px 20px;text-decoration:none}
.brand__mark{font-size:26px;font-weight:800;letter-spacing:.02em;color:var(--green-900);line-height:1.1}
.brand__sub{font-size:12.5px;letter-spacing:.12em;color:var(--green-600);font-weight:600}
.brand__rule{height:3px;width:38px;border-radius:99px;background:var(--grad-btn);margin-top:12px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.side-nav__item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink);
  transition:background .16s ease,color .16s ease;
}
.side-nav__item svg{width:18px;height:18px;flex:0 0 18px;color:var(--green-600);transition:color .16s ease}
.side-nav__item:hover{background:var(--paper-2)}
.side-nav__item:hover svg{color:var(--green-900)}
.side-nav__item.is-active{background:rgba(242,106,60,.12);color:var(--green-900)}
.side-nav__item.is-active svg{color:var(--orange)}
.side-nav__item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--orange);
}
.sidebar__foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:7px 13px;border-radius:999px;background:var(--paper-2);
  font-size:12px;font-weight:600;color:var(--green-800);letter-spacing:.01em;
}
.status-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 3px rgba(214,242,94,.35)}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:70;
  height:60px;align-items:center;justify-content:space-between;
  padding:0 18px;background:#FFFFFF;border-bottom:1px solid var(--line);
}
.topbar__brand{display:flex;flex-direction:column;line-height:1.15}
.topbar__brand .brand__mark{font-size:19px}
.topbar__brand .brand__sub{font-size:11px;letter-spacing:.1em}
.topbar__burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.topbar__burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green-900);transition:transform .2s ease,opacity .2s ease}
.topbar__burger:active{transform:scale(.96)}
.nav-backdrop{
  display:none;position:fixed;inset:0;z-index:55;
  background:rgba(8,37,31,.6);backdrop-filter:blur(2px);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn--primary{background:var(--grad-btn);color:#fff;box-shadow:0 14px 28px -16px rgba(242,106,60,.9)}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 34px -16px rgba(242,106,60,.85)}
.btn--primary:active{transform:translateY(0);filter:brightness(.98)}
.btn--ghost{background:#fff;color:var(--green-900);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--green-600);color:var(--green-600);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--light-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--block{width:100%}
.btn--sm{height:44px;padding:0 18px;font-size:14px}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--green-600)}
.link-arrow span{transition:transform .18s ease}
.link-arrow:hover{color:var(--orange)}
.link-arrow:hover span{transform:translateX(3px)}

/* ============ 面包屑 + 页头横幅 ============ */
.page-banner{
  position:relative;color:#fff;padding:26px 0 34px;
  background-image:linear-gradient(120deg,rgba(8,37,31,.92) 0%,rgba(14,58,49,.86) 58%,rgba(31,107,86,.78) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.35) 0%,rgba(242,106,60,0) 68%);
  pointer-events:none;
}
.breadcrumb{position:relative;z-index:2;display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);flex-wrap:nowrap;overflow:hidden}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .16s ease}
.breadcrumb a:hover{color:var(--orange-light)}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw}
.banner-line{position:relative;z-index:2;margin-top:22px;display:flex;align-items:center;gap:14px}
.banner-line .lane{
  flex:1;height:2px;border-radius:2px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.4) 0 18px,transparent 18px 34px);
}
.banner-line .badge-signal{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(214,242,94,.16);border:1px solid rgba(214,242,94,.45);
  font-size:12px;font-weight:700;color:var(--signal);letter-spacing:.04em;white-space:nowrap;
}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:48px;
  align-items:start;padding-top:52px;padding-bottom:20px;
}
.article-main{min-width:0}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;background:var(--orange-soft);
  color:#A83E1C;font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.article-head h1{
  margin-top:18px;font-size:clamp(30px,3.4vw,40px);font-weight:800;line-height:1.22;color:var(--green-900);
  overflow-wrap:break-word;
}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:13.5px;color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:15px;height:15px;color:var(--green-600)}
.article-meta .divider{width:1px;height:12px;background:var(--line)}

/* 正文 */
.article-body{max-width:820px;padding-top:32px;font-size:16.5px;line-height:1.9;color:var(--ink);overflow-wrap:break-word}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;margin:2.1em 0 .8em;padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--green-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.28em;width:4px;border-radius:4px;
  background:var(--grad-btn);
}
.article-body h3{margin:1.7em 0 .6em;font-size:20px;font-weight:700;color:var(--green-600)}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;color:var(--green-800)}
.article-body a{color:var(--green-600);font-weight:600;border-bottom:1px solid rgba(31,107,86,.35);transition:color .16s ease,border-color .16s ease}
.article-body a:hover{color:var(--orange);border-color:var(--orange)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.25em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:18px;margin:.45em 0}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--orange);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.45em 0;padding-left:4px}
.article-body ol li::marker{color:var(--orange);font-weight:800}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;border-left:4px solid var(--green-600);
  background:var(--paper-2);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--green-800);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-md);margin:1.2em 0;box-shadow:var(--shadow)}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;border-radius:var(--radius-md);overflow:hidden}
.article-body thead th{background:var(--green-800);color:#fff;font-weight:700;text-align:left;padding:13px 16px;border:0}
.article-body tbody td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink)}
.article-body tbody tr:hover td{background:var(--paper-2)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}
.article-body code{background:var(--paper-2);padding:2px 7px;border-radius:6px;font-size:14.5px;color:var(--green-800)}

/* 空态 */
.empty-state{
  margin-top:8px;padding:52px 28px;text-align:center;
  border:1.5px dashed var(--line);border-radius:var(--radius-lg);background:#fff;
}
.empty-state svg{width:44px;height:44px;margin:0 auto 14px;color:var(--green-400)}
.empty-state strong{display:block;font-size:18px;color:var(--green-900);margin-bottom:6px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:16px}

/* 阅读提示 */
.notice-card{
  max-width:820px;margin-top:40px;padding:24px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(31,107,86,.07),rgba(242,106,60,.06));
  border:1px solid var(--line);display:flex;gap:16px;align-items:flex-start;
}
.notice-card .ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--green-800);color:var(--signal);
}
.notice-card .ico svg{width:20px;height:20px}
.notice-card h2{font-size:17px;color:var(--green-900);margin-bottom:6px}
.notice-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.notice-card a{color:var(--green-600);font-weight:700}
.notice-card a:hover{color:var(--orange)}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:32px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);
}
.side-card__title{font-size:15px;font-weight:800;color:var(--green-900);display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-card__title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange)}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list li + li{border-top:1px dashed var(--line)}
.side-list a{display:block;padding:12px 0;transition:color .16s ease}
.side-list a:hover strong{color:var(--orange)}
.side-list strong{display:block;font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.55;transition:color .16s ease}
.side-list .meta{display:block;margin-top:5px;font-size:12px;color:var(--muted);letter-spacing:.02em}
.side-card--deep{background:var(--grad-main);border-color:transparent;color:#fff}
.side-card--deep .side-card__title{color:#fff}
.side-card--deep p{font-size:14px;color:rgba(255,255,255,.78);margin-bottom:16px;line-height:1.75}
.side-card--deep .link-arrow{color:var(--signal)}
.side-card--deep .link-arrow:hover{color:var(--orange-light)}

/* 文末推荐 */
.related-block{padding:64px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);color:var(--green-900)}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green-400)}
.post-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.post-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.post-card__tag{
  position:absolute;left:12px;top:12px;padding:5px 11px;border-radius:999px;
  background:rgba(8,37,31,.82);color:var(--signal);font-size:11.5px;font-weight:700;letter-spacing:.03em;
}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-card__body h3{font-size:17px;font-weight:700;color:var(--green-900);line-height:1.5}
.post-card__body p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.75;flex:1}
.post-card__foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}

/* CTA 横幅 */
.cta-banner{
  position:relative;margin:64px auto 72px;border-radius:var(--radius-xl);overflow:hidden;
  background-image:linear-gradient(115deg,rgba(8,37,31,.95) 0%,rgba(14,58,49,.9) 55%,rgba(31,107,86,.86) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:#fff;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 34px 70px -40px rgba(8,37,31,.7);
}
.cta-banner::after{
  content:"";position:absolute;right:-80px;bottom:-140px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.3) 0%,rgba(242,106,60,0) 70%);
}
.cta-banner__text{position:relative;z-index:2;max-width:620px}
.cta-banner__text .eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
  background:rgba(214,242,94,.14);border:1px solid rgba(214,242,94,.4);
  color:var(--signal);font-size:12px;font-weight:700;letter-spacing:.05em;
}
.cta-banner__text h2{margin-top:16px;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3}
.cta-banner__text p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.8);line-height:1.8}
.cta-banner__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{
  background:var(--green-900);color:rgba(255,255,255,.72);
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand__mark{font-size:22px;font-weight:800;color:#fff;letter-spacing:.01em}
.footer-brand__sub{display:block;margin-top:4px;font-size:12.5px;letter-spacing:.12em;color:var(--green-400);font-weight:600}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-col h3{font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .16s ease}
.footer-col a:hover{color:var(--orange-light)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .disclaimer{max-width:720px;line-height:1.75}

/* 底部固定转化条 */
.cta-bar{
  position:fixed;left:var(--nav-w);right:0;bottom:0;z-index:50;height:var(--bar-h);
  background:var(--green-900);border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 32px;box-shadow:0 -16px 40px -28px rgba(8,37,31,.9);
}
.cta-bar__text{font-size:14.5px;color:rgba(255,255,255,.82);display:flex;align-items:center;gap:10px;min-width:0}
.cta-bar__text .dot{width:8px;height:8px;border-radius:50%;background:var(--signal);flex:0 0 8px;box-shadow:0 0 0 3px rgba(214,242,94,.25)}
.cta-bar__text span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cta-bar__actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .shell{padding:0 36px}
  .article-layout{gap:36px;grid-template-columns:minmax(0,1fr) 292px}
  .cta-banner{padding:44px 40px}
}
@media (max-width:1024px){
  body{padding-left:0}
  .sidebar{
    transform:translateX(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
    width:min(86vw,340px);box-shadow:0 0 60px rgba(8,37,31,.4);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .nav-backdrop.is-open{display:block}
  body.nav-open{overflow:hidden}
  .cta-bar{left:0}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:40px}
  .article-side{position:static;margin-top:40px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-banner{margin:52px auto 56px;padding:40px 32px}
}
@media (max-width:768px){
  body{font-size:16px;padding-bottom:calc(64px + 28px)}
  .shell{padding:0 20px}
  .page-banner{padding:20px 0 28px}
  .banner-line{margin-top:16px}
  .banner-line .badge-signal{font-size:11px;padding:6px 11px}
  .breadcrumb .current{max-width:44vw}
  .article-head h1{font-size:clamp(24px,6.4vw,30px)}
  .article-body{font-size:16px;line-height:1.88}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .notice-card{flex-direction:column;gap:12px;padding:20px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-banner{padding:32px 24px;border-radius:24px;flex-direction:column;align-items:flex-start;gap:24px}
  .cta-bar{height:64px;padding:0 16px calc(0px + env(safe-area-inset-bottom,0px));gap:12px}
  .cta-bar__text{font-size:13px}
  .cta-bar__text span{display:none}
  .cta-bar__actions{flex:1;justify-content:flex-end}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
  .cta-bar .btn{height:42px;padding:0 16px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .section-head{margin-bottom:20px}
  .side-card{padding:20px}
  .cta-banner__actions .btn{width:100%}
  .cta-banner__actions{width:100%;flex-direction:column}
  .article-meta{font-size:12.5px;gap:8px 14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --green-900:#08251F;
  --green-800:#0E3A31;
  --green-700:#1F6B56;
  --green-500:#2FA57F;
  --orange:#F26A3C;
  --orange-deep:#F25A2C;
  --orange-light:#FF8557;
  --orange-soft:#FFE8DD;
  --lime:#D6F25E;
  --paper:#F7F5EF;
  --paper-2:#EDF1E8;
  --card:#FFFFFF;
  --line:#DCE4DA;
  --ink:#12211C;
  --muted:#5E6F67;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-btn:14px;
  --shadow:0 18px 40px -24px rgba(8,37,31,.28);
  --shadow-hover:0 24px 60px -22px rgba(8,37,31,.36);
  --grad-dark:linear-gradient(135deg,#08251F 0%,#0E3A31 55%,#1F6B56 100%);
  --grad-btn:linear-gradient(135deg,#FF8557 0%,#F25A2C 100%);
  --font: "Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono: "DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
  --side:248px;
  --bar:68px;
}
*,*::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(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;color:var(--green-900)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
svg{display:block}
:focus-visible{outline:3px solid rgba(242,106,60,.45);outline-offset:3px;border-radius:6px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--green-900);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0;color:#fff}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--side);
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  background:linear-gradient(180deg,#08251F 0%,#0B3129 60%,#0E3A31 100%);
  border-right:1px solid rgba(255,255,255,.08);
  z-index:70;
  overflow-y:auto;
  transition:transform .32s cubic-bezier(.4,0,.2,1);
}
.sidebar__head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:0 6px 22px}
.brand{display:flex;flex-direction:column;line-height:1.15;gap:4px}
.brand__main{font-size:26px;font-weight:800;color:#FFFFFF;letter-spacing:.04em}
.brand__sub{font-size:12.5px;color:rgba(232,239,233,.68);letter-spacing:.12em}
.brand:hover .brand__main{color:var(--orange-soft)}
.brand:hover .brand__sub{color:rgba(255,232,221,.9)}
.sidebar__close{
  display:none;width:36px;height:36px;border-radius:10px;
  color:rgba(232,239,233,.8);align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);
}
.sidebar__close:hover{background:rgba(242,106,60,.2);color:#fff}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav__item{
  position:relative;display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:14.5px;color:rgba(232,239,233,.76);
  transition:background .2s ease,color .2s ease;
}
.side-nav__item svg{width:18px;height:18px;flex:0 0 auto;opacity:.85}
.side-nav__item:hover{background:rgba(255,255,255,.07);color:#FFFFFF}
.side-nav__item.is-active{
  background:rgba(242,106,60,.16);
  color:#FFE8DD;
  font-weight:600;
}
.side-nav__item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--orange);
}
.side-nav__item.is-active svg{opacity:1;color:var(--orange-light)}
.sidebar__foot{margin-top:auto;padding:24px 6px 0;display:flex;flex-direction:column;gap:12px}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;align-self:flex-start;
  padding:6px 12px;border-radius:999px;
  background:rgba(214,242,94,.12);
  color:#D6F25E;font-size:12px;letter-spacing:.02em;
}
.status-chip .dot{
  width:7px;height:7px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 3px rgba(214,242,94,.18);
}
.sidebar__note{font-size:12px;color:rgba(232,239,233,.5);line-height:1.7;padding:0 2px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;text-align:center;
}
.btn--primary{background:var(--grad-btn);color:#fff;box-shadow:0 12px 26px -14px rgba(242,90,44,.75)}
.btn--primary:hover{color:#fff;filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(242,90,44,.8)}
.btn--primary:active{transform:translateY(0);filter:brightness(.98)}
.btn--ghost{background:transparent;color:#F2F7F3;border-color:rgba(255,255,255,.45)}
.btn--ghost:hover{color:#fff;border-color:rgba(255,255,255,.85);background:rgba(255,255,255,.08)}
.btn--outline{background:#fff;color:var(--green-800);border-color:var(--line)}
.btn--outline:hover{color:var(--green-700);border-color:var(--green-500);box-shadow:var(--shadow)}
.btn--block{width:100%}
.btn--sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:12px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:14.5px;color:var(--green-700);
}
.link-arrow svg{width:15px;height:15px;transition:transform .2s ease}
.link-arrow:hover{color:var(--orange)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:65;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(8,37,31,.97);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
}
.brand--mobile .brand__main{font-size:19px}
.brand--mobile .brand__sub{font-size:10.5px;letter-spacing:.08em}
.hamburger{
  width:44px;height:44px;border-radius:12px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;background:rgba(255,255,255,.08);
}
.hamburger span{display:block;width:20px;height:2px;border-radius:2px;background:#E8EFE9}
.hamburger:hover{background:rgba(242,106,60,.24)}
.scrim{
  position:fixed;inset:0;z-index:68;background:rgba(8,37,31,.6);
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.scrim.is-open{opacity:1;pointer-events:auto}
body.no-scroll{overflow:hidden}

/* ============ 主体框架 ============ */
.main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,56px)}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;color:#F2F7F3;
  background:var(--grad-dark);
  padding:clamp(40px,5vw,60px) 0 clamp(36px,4vw,52px);
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.26;filter:saturate(.9);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(242,106,60,.32) 0%,rgba(242,106,60,0) 68%);
  pointer-events:none;
}
.hero__inner{position:relative;z-index:2}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,247,243,.62);margin-bottom:22px;
}
.crumbs a{color:rgba(242,247,243,.78)}
.crumbs a:hover{color:var(--orange-light)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:#FFE8DD;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(214,242,94,.14);color:#D6F25E;
  font-size:12.5px;letter-spacing:.06em;margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero h1{
  font-size:clamp(28px,3.4vw,45px);font-weight:800;line-height:1.18;
  color:#FFFFFF;max-width:20em;
}
.hero h1 em{font-style:normal;color:#FFD8C6}
.hero__lead{
  margin-top:20px;max-width:44em;
  font-size:clamp(15px,1.2vw,17px);line-height:1.85;
  color:rgba(242,247,243,.84);
}
.hero__lead + .hero__lead{margin-top:12px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px}
.hero__stat{display:flex;flex-direction:column;gap:2px;min-width:110px}
.hero__stat b{font-family:var(--mono);font-size:22px;color:#FFFFFF;letter-spacing:.02em}
.hero__stat span{font-size:12.5px;color:rgba(242,247,243,.6)}

/* ============ 锚点条 ============ */
.anchor-bar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.anchor-bar__inner{
  display:flex;gap:10px;overflow-x:auto;padding:16px 0;
  scrollbar-width:none;
}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:9px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--green-800);font-weight:500;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{background:var(--orange-soft);border-color:#F8C4AC;color:#B34A26;transform:translateY(-1px)}
.chip .n{font-family:var(--mono);font-size:12px;color:var(--green-500)}

/* ============ 板块通用 ============ */
.block{padding:clamp(48px,6vw,88px) 0}
.block--tight{padding:clamp(40px,4.5vw,64px) 0}
.block-head{max-width:760px;margin-bottom:clamp(28px,3vw,44px)}
.block-head .kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;
  color:var(--green-500);font-weight:700;margin-bottom:12px;
}
.block-head h2{
  font-size:clamp(23px,2.4vw,33px);font-weight:700;color:var(--green-900);
}
.block-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85}
.section-alt{background:var(--paper-2)}

/* ============ 步骤 + 通道卡 布局 ============ */
.guide-grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:clamp(24px,3vw,44px);align-items:start;
}
.steps{position:relative;padding-left:0}
.step{
  position:relative;display:flex;gap:20px;
  padding:0 0 30px 0;
}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:23px;top:44px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(242,106,60,.55),rgba(31,107,86,.25));
}
.step:last-child::before{display:none}
.step__num{
  flex:0 0 auto;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:15px;font-weight:700;
  background:#fff;color:var(--green-700);
  border:2px solid var(--orange);
  box-shadow:0 10px 22px -16px rgba(242,106,60,.9);
  position:relative;z-index:2;
}
.step__body{
  flex:1 1 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 26px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step__body:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green-500)}
.step__body h3{font-size:19px;font-weight:700;color:var(--green-900);margin-bottom:10px}
.step__body p{color:var(--muted);font-size:15.5px;line-height:1.85}
.step__meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  padding:5px 12px;border-radius:999px;background:var(--paper-2);
  font-size:12.5px;color:var(--green-700);font-family:var(--mono);
}

/* 通道选择卡 */
.pass-card{
  position:sticky;top:28px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
}
.pass-card__head{
  padding:22px 24px 18px;background:var(--grad-dark);color:#F2F7F3;position:relative;overflow:hidden;
}
.pass-card__head::after{
  content:"";position:absolute;right:-60px;top:-70px;width:220px;height:220px;
  background:radial-gradient(circle,rgba(242,106,60,.35),rgba(242,106,60,0) 70%);
}
.pass-card__head h3{font-size:18px;color:#fff;position:relative;z-index:2}
.pass-card__head p{
  margin-top:8px;font-size:13px;color:rgba(242,247,243,.72);position:relative;z-index:2;
}
.pass-list{padding:10px 12px 14px}
.pass-item{
  display:flex;align-items:center;gap:13px;
  padding:14px 12px;border-radius:14px;
  transition:background .2s ease;
}
.pass-item + .pass-item{border-top:1px solid var(--line)}
.pass-item:hover{background:var(--paper-2)}
.pass-item__icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--paper-2);color:var(--green-700);
  transition:background .2s ease,color .2s ease;
}
.pass-item:hover .pass-item__icon{background:var(--orange-soft);color:var(--orange-deep)}
.pass-item__icon svg{width:19px;height:19px}
.pass-item__text{flex:1 1 auto;min-width:0}
.pass-item__text b{display:block;font-size:15px;color:var(--green-900);font-weight:600}
.pass-item__text small{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:999px;
  font-size:11.5px;font-weight:600;white-space:nowrap;
  background:var(--lime);color:var(--green-900);
}
.badge--warn{background:var(--orange-soft);color:#A2451F}
.pass-item__arrow{color:#9DB2A8;flex:0 0 auto}
.pass-item__arrow svg{width:16px;height:16px;transition:transform .2s ease}
.pass-item:hover .pass-item__arrow{color:var(--orange)}
.pass-item:hover .pass-item__arrow svg{transform:translateX(3px)}
.pass-card__foot{
  padding:14px 22px 18px;border-top:1px dashed var(--line);
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--muted);
}
.pass-card__foot .dot{width:7px;height:7px;border-radius:50%;background:var(--green-500)}

/* ============ 通道表 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.channel-table{width:100%;border-collapse:collapse;min-width:720px}
.channel-table thead th{
  background:var(--green-900);color:#F2F7F3;
  font-size:13.5px;font-weight:600;letter-spacing:.04em;
  text-align:left;padding:16px 22px;white-space:nowrap;
}
.channel-table tbody td{
  padding:18px 22px;font-size:14.8px;color:var(--ink);
  border-top:1px solid var(--line);vertical-align:top;
}
.channel-table tbody tr:nth-child(even){background:#FAFBF7}
.channel-table tbody tr:hover{background:var(--paper-2)}
.channel-table td b{color:var(--green-900)}
.channel-table td small{display:block;color:var(--muted);font-size:12.5px;margin-top:3px}
.channel-table .t-link{font-weight:600;color:var(--green-700);white-space:nowrap}
.channel-table .t-link:hover{color:var(--orange)}

/* ============ 注意事项 ============ */
.notice{
  display:flex;gap:16px;
  background:var(--orange-soft);border:1px solid #F8C9B4;
  border-radius:var(--radius-lg);padding:24px 26px;margin-top:28px;
}
.notice__icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  background:#fff;color:var(--orange-deep);
  display:flex;align-items:center;justify-content:center;
}
.notice__icon svg{width:19px;height:19px}
.notice h3{font-size:17px;color:#8A3A19;margin-bottom:8px}
.notice p{font-size:14.8px;color:#7A4326;line-height:1.85}
.notice p + p{margin-top:8px}

/* ============ 图文要点 ============ */
.split{
  display:grid;grid-template-columns:.9fr 1.1fr;
  gap:clamp(24px,3.4vw,48px);align-items:center;
}
.figure{
  border-radius:var(--radius-xl);overflow:hidden;position:relative;
  box-shadow:var(--shadow);border:1px solid var(--line);
}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.figure__cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 22px 18px;
  background:linear-gradient(180deg,rgba(8,37,31,0) 0%,rgba(8,37,31,.82) 100%);
  color:#F2F7F3;font-size:13px;
}
.figure__cap b{display:block;color:#fff;font-size:15px;margin-bottom:3px}
.key-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.key-item{display:flex;gap:14px;align-items:flex-start}
.key-item__mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;margin-top:3px;
  display:flex;align-items:center;justify-content:center;
  background:var(--paper-2);color:var(--green-700);
}
.key-item__mark svg{width:14px;height:14px}
.key-item h3{font-size:16.5px;font-weight:600;color:var(--green-900)}
.key-item p{font-size:14.8px;color:var(--muted);line-height:1.8;margin-top:4px}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.faq details:hover{border-color:#BFD8CC;box-shadow:var(--shadow)}
.faq details[open]{background:var(--paper-2);border-color:#BFD8CC}
.faq summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 58px 20px 24px;
  font-size:16px;font-weight:600;color:var(--green-900);
  line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;margin-top:-7px;
  background:
    linear-gradient(currentColor,currentColor) center/14px 2px no-repeat,
    linear-gradient(currentColor,currentColor) center/2px 14px no-repeat;
  color:var(--orange);transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ 底部 CTA ============ */
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--grad-dark);color:#F2F7F3;
  border-radius:var(--radius-xl);
  padding:clamp(30px,4vw,52px);
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-hover);
}
.cta-banner::after{
  content:"";position:absolute;right:-90px;bottom:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(242,106,60,.32),rgba(242,106,60,0) 70%);
}
.cta-banner__text{position:relative;z-index:2;max-width:36em}
.cta-banner h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:700}
.cta-banner p{margin-top:12px;font-size:15.5px;color:rgba(242,247,243,.82);line-height:1.8}
.cta-banner__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 固定转化条 ============ */
.cta-bar{
  position:fixed;left:var(--side);right:0;bottom:0;height:var(--bar);z-index:60;
  background:var(--green-900);
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 clamp(16px,3vw,32px);
  box-shadow:0 -14px 34px -22px rgba(8,37,31,.9);
}
.cta-bar__text{display:flex;align-items:center;gap:10px;color:#E8EFE9;font-size:14px;min-width:0}
.cta-bar__text .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.cta-bar__text span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cta-bar__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green-900);color:rgba(232,239,233,.78);
  padding:clamp(40px,5vw,64px) 0 calc(var(--bar) + 40px);
  margin-top:auto;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr .8fr .9fr 1.2fr;
  gap:clamp(24px,3vw,44px);
}
.footer-brand .brand__main{font-size:22px}
.footer-brand .brand__sub{font-size:12px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(232,239,233,.66)}
.footer-col h4{font-size:14px;color:#FFFFFF;font-weight:600;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(232,239,233,.72)}
.footer-col a:hover{color:var(--orange-light)}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(232,239,233,.62)}
.visitor-note{
  display:flex;align-items:center;gap:10px;margin-top:16px;
  padding:10px 12px;border-radius:12px;
  background:rgba(255,255,255,.05);
  font-size:12.5px;color:rgba(232,239,233,.72);
}
.avatar{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(242,106,60,.22);color:#FFE8DD;font-size:13px;font-weight:600;
}
.footer-bottom{
  margin-top:clamp(32px,3.5vw,48px);padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(232,239,233,.5);
}
.footer-bottom a{color:rgba(232,239,233,.6)}
.footer-bottom a:hover{color:var(--orange-light)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .guide-grid{grid-template-columns:1.05fr .95fr}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;row-gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:1023px){
  .sidebar{
    width:min(86vw,360px);
    transform:translateX(-100%);
    box-shadow:0 0 60px rgba(0,0,0,.4);
    padding-top:20px;
  }
  .sidebar.is-open{transform:translateX(0)}
  .sidebar__close{display:flex}
  .mobile-bar{display:flex}
  .main{margin-left:0;padding-top:60px}
  .cta-bar{left:0}
  .guide-grid{grid-template-columns:1fr}
  .pass-card{position:static}
  .split{grid-template-columns:1fr}
  .figure{order:-1}
  .step::before{left:22px}
}
@media (max-width:767px){
  body{font-size:16px}
  .hero{padding:34px 0 36px}
  .hero__stats{gap:18px;margin-top:26px}
  .hero__stat{min-width:calc(50% - 9px)}
  .hero__actions .btn{flex:1 1 auto}
  .crumbs .now{max-width:52vw}
  .block{padding:48px 0}
  .block--tight{padding:40px 0}
  .step{gap:14px;padding-bottom:22px}
  .step__num{width:44px;height:44px;font-size:14px}
  .step::before{left:21px;top:40px}
  .step__body{padding:20px}
  .notice{flex-direction:column;gap:12px;padding:20px}
  .cta-banner{padding:26px 22px}
  .cta-banner__actions{width:100%}
  .cta-banner__actions .btn{flex:1 1 100%}
  .faq summary{padding:17px 52px 17px 18px;font-size:15px}
  .faq .answer{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .cta-bar{height:64px;padding:0 14px}
  .cta-bar__text{font-size:12.5px}
  .cta-bar__actions .btn{min-height:40px;padding:0 14px;font-size:13px}
  .cta-bar__actions .btn--ghost{display:none}
  .site-footer{padding-bottom:calc(64px + 34px)}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{max-width:100%}
  .anchor-bar__inner{padding:12px 0}
  .chip{font-size:12.5px;padding:8px 13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --ink-dark:#08251F;
  --ink-mid:#0E3A31;
  --brand:#1F6B56;
  --brand-light:#2FA57F;
  --orange:#F26A3C;
  --orange-light:#FF8557;
  --orange-deep:#F25A2C;
  --orange-soft:#FFE8DD;
  --signal:#D6F25E;
  --paper:#F7F5EF;
  --paper-2:#EDF1E8;
  --white:#FFFFFF;
  --line:#DCE4DA;
  --text:#12211C;
  --muted:#5E6F67;
  --danger:#C2412D;
  --nav-w:248px;
  --r-lg:24px;
  --r-xl:32px;
  --r-md:16px;
  --r-btn:14px;
  --sh-1:0 18px 40px -24px rgba(8,37,31,.28);
  --sh-2:0 24px 60px -22px rgba(8,37,31,.36);
  --grad-deep:linear-gradient(135deg,#08251F 0%,#0E3A31 55%,#1F6B56 100%);
  --grad-btn:linear-gradient(135deg,#FF8557 0%,#F25A2C 100%);
  --ease:cubic-bezier(.4,0,.2,1);
  --mono:"DIN Alternate","Barlow","SF Mono",ui-monospace,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,figcaption{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid rgba(242,106,60,.35);outline-offset:2px;border-radius:6px}

/* ============ 布局骨架 ============ */
.container{max-width:1240px;margin:0 auto;padding:0 48px}
.content{margin-left:var(--nav-w);min-height:100dvh;display:flex;flex-direction:column;padding-bottom:96px}
.section{padding:72px 0}
.section--tight{padding:48px 0}
.section--alt{background:var(--paper-2);border-radius:var(--r-xl);padding:56px 0}

/* ============ 侧边导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;width:var(--nav-w);height:100dvh;
  background:var(--white);
  border-right:1px solid var(--line);
  padding:28px 18px 24px;
  display:flex;flex-direction:column;
  z-index:60;
  overflow-y:auto;
}
.brand{display:flex;flex-direction:column;gap:2px;padding:0 10px 24px;border-bottom:1px solid var(--line);margin-bottom:22px}
.brand__mark{font-size:22px;font-weight:800;letter-spacing:.04em;color:var(--ink-dark);line-height:1.2}
.brand__sub{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:500}
.side-nav__item{
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;margin-bottom:4px;
  border-radius:10px;border-left:3px solid transparent;
  color:var(--muted);font-size:15px;font-weight:500;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.side-nav__item svg{width:18px;height:18px;flex:0 0 18px}
.side-nav__item:hover{background:var(--paper-2);color:var(--ink-dark)}
.side-nav__item.is-active{background:rgba(242,106,60,.12);border-left-color:var(--orange);color:var(--ink-dark);font-weight:700}
.side-nav__item:active{background:rgba(242,106,60,.2)}
.side-nav__foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--brand);font-weight:600;
  background:var(--paper-2);border:1px solid var(--line);
  padding:8px 12px;border-radius:999px;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 3px rgba(214,242,94,.28);flex:0 0 7px}

/* ============ 移动端导航 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:70;
}
.mobile-bar .brand{padding:0;border:0;margin:0;gap:0}
.mobile-bar .brand__mark{font-size:17px}
.mobile-bar .brand__sub{font-size:10px;letter-spacing:.1em}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;background:var(--white);
}
.burger span{display:block;width:18px;height:2px;background:var(--ink-dark);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-dark);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.backdrop{position:fixed;inset:0;background:rgba(8,37,31,.6);opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s;z-index:80}
.backdrop.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;width:min(86vw,360px);height:100dvh;
  background:var(--paper);z-index:90;
  transform:translateX(-102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:24px 20px;
  overflow-y:auto;box-shadow:var(--sh-2);
}
.drawer.is-open{transform:translateX(0)}
.drawer .brand{padding-bottom:20px;margin-bottom:18px}
.drawer .side-nav__item{height:52px;font-size:16px;margin-bottom:6px}
.drawer__foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
body.no-scroll{overflow:hidden}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn--primary{background:var(--grad-btn);color:#fff;box-shadow:0 14px 28px -16px rgba(242,90,44,.9)}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 34px -16px rgba(242,90,44,.95)}
.btn--primary:active{transform:translateY(0);filter:brightness(.98)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn--outline{background:var(--white);border-color:var(--line);color:var(--brand)}
.btn--outline:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--dark{background:var(--ink-dark);color:#fff}
.btn--dark:hover{background:var(--brand);transform:translateY(-2px)}
.btn--block{width:100%;height:46px;font-size:14px}
.btn:focus-visible{outline:3px solid rgba(242,106,60,.38);outline-offset:3px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px}
.link-arrow svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.link-arrow:active{color:var(--orange-deep)}

/* ============ 首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--grad-deep);color:#fff;border-bottom-left-radius:var(--r-xl);border-bottom-right-radius:var(--r-xl)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.24;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 88% 8%,rgba(242,106,60,.34),transparent 58%);
}
.page-hero__inner{position:relative;z-index:2;padding:48px 0 56px;max-width:900px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px}
.crumb a{transition:color .18s var(--ease)}
.crumb a:hover{color:var(--orange-light)}
.crumb em{font-style:normal;color:rgba(255,255,255,.9)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--signal);padding:7px 14px;border-radius:999px;
  background:rgba(214,242,94,.12);border:1px solid rgba(214,242,94,.34);
}
.page-hero h1{margin-top:20px;font-size:clamp(28px,3.4vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.01em}
.page-hero .lead{margin-top:18px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.84);max-width:780px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-meta span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.07);
  border-radius:999px;padding:7px 14px;
}
.hero-meta b{font-family:var(--mono);color:var(--signal);font-size:14px}

/* ============ 锚点条 ============ */
.anchor-bar{position:sticky;top:0;z-index:40;background:rgba(247,245,239,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.anchor-bar__inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:var(--white);
  color:var(--muted);font-size:14px;font-weight:600;
  transition:all .18s var(--ease);
}
.anchor-bar a:hover{border-color:var(--brand);color:var(--brand)}
.anchor-bar a.is-active{background:var(--ink-dark);border-color:var(--ink-dark);color:#fff}
.anchor-bar a:active{transform:scale(.97)}

/* ============ 区块标题 ============ */
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head h2{font-size:clamp(24px,2.4vw,34px);font-weight:700;line-height:1.28;color:var(--ink-dark);letter-spacing:-.01em}
.sec-head p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.9}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;
  background:var(--orange-soft);color:#B4451F;margin-bottom:14px;
}
.tag--signal{background:rgba(214,242,94,.45);color:#3D4E12}
.tag--ghost{background:var(--paper-2);color:var(--brand)}

/* ============ 双栏 ============ */
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.sticky-col{position:sticky;top:96px}

/* ============ 清单卡 ============ */
.check-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.check-card h3{font-size:22px;font-weight:700;color:var(--ink-dark)}
.check-card > p{margin-top:10px;font-size:15px;color:var(--muted)}
.check-list{display:grid;gap:12px;margin-top:24px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--paper);border:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.check-item:hover{background:var(--white);border-color:var(--brand-light);transform:translateX(3px)}
.check-item__box{
  width:26px;height:26px;flex:0 0 26px;border-radius:9px;
  background:rgba(31,107,86,.12);color:var(--brand);
  display:grid;place-items:center;margin-top:2px;
}
.check-item__box svg{width:15px;height:15px}
.check-item h4{font-size:16px;font-weight:700;color:var(--ink-dark);line-height:1.5}
.check-item p{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.75}
.check-note{
  display:flex;gap:10px;align-items:flex-start;margin-top:22px;
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--orange-soft);color:#8A3A1B;font-size:14px;line-height:1.75;
}
.check-note svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px}

/* ============ 深色警示面板 ============ */
.alert-panel{
  position:relative;overflow:hidden;
  background:var(--grad-deep);color:#fff;
  border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2);
}
.alert-panel::after{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.34),transparent 70%);
}
.alert-panel__icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);margin-bottom:20px;
}
.alert-panel__icon svg{width:24px;height:24px;color:var(--signal)}
.alert-panel h3{font-size:21px;font-weight:700;line-height:1.4;position:relative;z-index:2}
.alert-panel > p{margin-top:12px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.76);position:relative;z-index:2}
.alert-list{display:grid;gap:14px;margin-top:24px;position:relative;z-index:2}
.alert-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.8;color:rgba(255,255,255,.9)}
.alert-list .num{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:rgba(214,242,94,.16);color:var(--signal);
  display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:800;margin-top:3px;
}
.alert-panel .btn{margin-top:26px;position:relative;z-index:2}

/* ============ 数据带 ============ */
.stat-band{
  position:relative;overflow:hidden;
  background:var(--grad-deep);border-radius:var(--r-xl);
  padding:38px;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.stat-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.3),transparent 70%);
}
.stat{position:relative;z-index:2}
.stat__num{font-family:var(--mono);font-size:clamp(30px,3vw,42px);font-weight:800;line-height:1;color:var(--signal);letter-spacing:.02em}
.stat__label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.74);line-height:1.7}
.stat__label b{color:#fff;font-weight:600}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.media-card{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:var(--white);border:1px solid var(--line)}
.media-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.media-card figcaption{
  padding:14px 18px;font-size:13px;color:var(--muted);
  background:var(--white);border-top:1px solid var(--line);line-height:1.7;
}

/* ============ 流程 ============ */
.flow{display:grid;margin-top:30px}
.flow__item{position:relative;padding:0 0 30px 60px}
.flow__item:last-child{padding-bottom:0}
.flow__item::before{
  content:"";position:absolute;left:19px;top:42px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--orange),var(--line));
}
.flow__item:last-child::before{display:none}
.flow__num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:12px;
  background:var(--orange-soft);color:#B4451F;
  display:grid;place-items:center;font-family:var(--mono);font-size:14px;font-weight:800;
  border:1px solid rgba(242,106,60,.24);
}
.flow__item h3{font-size:18px;font-weight:700;color:var(--ink-dark);line-height:1.5}
.flow__item p{margin-top:7px;font-size:15px;color:var(--muted);line-height:1.85}
.flow__item .link-arrow{margin-top:10px;font-size:14px}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;margin-top:32px;max-width:940px}
.faq__item{
  background:var(--white);border:1px solid var(--line);
  border-radius:20px;padding:0 26px;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq__item:hover{border-color:var(--brand-light)}
.faq__item[open]{background:var(--paper-2);border-color:var(--brand-light);box-shadow:var(--sh-1)}
.faq__item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:16px;font-weight:600;color:var(--ink-dark);line-height:1.6;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .24s var(--ease)}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq__icon::before{left:0;top:9px;width:20px;height:2px}
.faq__icon::after{left:9px;top:0;width:2px;height:20px}
.faq__item[open] .faq__icon{transform:rotate(45deg)}
.faq__body{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--muted);max-width:820px}

/* ============ CTA 横幅 ============ */
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--grad-deep);color:#fff;
  border-radius:var(--r-xl);padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--sh-2);
}
.cta-banner::after{
  content:"";position:absolute;right:-90px;top:-100px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.32),transparent 70%);
}
.cta-banner__text{position:relative;z-index:2;max-width:620px}
.cta-banner h2{font-size:clamp(23px,2.4vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.01em}
.cta-banner p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.8)}
.cta-banner__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;
  background:var(--ink-dark);color:rgba(255,255,255,.7);
  border-top-left-radius:var(--r-xl);border-top-right-radius:var(--r-xl);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand__mark{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.56)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:300px}
.visitor{
  display:inline-flex;align-items:center;gap:10px;margin-top:20px;
  padding:8px 14px 8px 8px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.74);
}
.visitor .avatar{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--signal);color:var(--ink-dark);font-size:12px;font-weight:800;
}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.08em;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--orange-light)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.46);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--orange-light)}

/* ============ 底部固定条 ============ */
.cta-bar{
  position:fixed;left:var(--nav-w);right:0;bottom:0;height:68px;z-index:50;
  background:var(--ink-dark);border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 32px;
  box-shadow:0 -18px 40px -28px rgba(8,37,31,.9);
}
.cta-bar__text{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.82)}
.cta-bar__text b{color:var(--signal);font-weight:700}
.cta-bar__actions{display:flex;align-items:center;gap:12px}
.cta-bar .btn{height:42px;font-size:14px;padding:0 20px}
.cta-bar .btn--ghost{border-color:rgba(255,255,255,.3)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 36px}
  .section{padding:60px 0}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .content{margin-left:0;padding-top:60px;padding-bottom:110px}
  .cta-bar{left:0;height:64px;padding:0 16px;gap:12px}
  .cta-bar__text{font-size:13px}
  .cta-bar__text span{display:none}
  .two-col{grid-template-columns:1fr;gap:24px}
  .sticky-col{position:static}
  .split{grid-template-columns:1fr;gap:28px}
  .anchor-bar{top:60px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:26px}
  .stat-band{grid-template-columns:1fr;gap:22px;padding:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .page-hero__inner{padding:36px 0 42px}
  .page-hero .lead{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .check-card,.alert-panel{padding:24px}
  .faq__item{padding:0 20px}
  .faq__item summary{font-size:15px;padding:18px 0}
  .cta-banner{padding:32px 24px;border-radius:24px}
  .cta-banner__actions{width:100%;flex-direction:column}
  .cta-banner__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;padding-bottom:36px}
  .site-footer{padding-top:48px}
  .check-item{padding:14px}
  .flow__item{padding-left:52px}
  .flow__num{width:36px;height:36px}
  .flow__item::before{left:17px;top:38px}
}
@media (max-width:479px){
  .cta-bar .btn{padding:0 14px;font-size:13px}
  .brand__mark{font-size:16px}
  .stat__num{font-size:32px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --ink-900:#08251F;
  --green-800:#0E3A31;
  --brand:#1F6B56;
  --bright:#2FA57F;
  --orange:#F26A3C;
  --orange-l:#FF8557;
  --orange-soft:#FFE8DD;
  --lime:#D6F25E;
  --paper:#F7F5EF;
  --paper-2:#EDF1E8;
  --card:#FFFFFF;
  --line:#DCE4DA;
  --text:#12211C;
  --muted:#5E6F67;
  --danger:#C2412D;
  --r-xl:32px;
  --r-lg:24px;
  --r-sm:16px;
  --r-btn:14px;
  --shadow:0 18px 40px -24px rgba(8,37,31,.28);
  --shadow-h:0 24px 60px -22px rgba(8,37,31,.36);
  --nav-w:248px;
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink-900);}
h1{font-size:clamp(30px,4vw,52px);font-weight:800;line-height:1.15;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;}
h3{font-size:clamp(19px,1.6vw,23px);font-weight:700;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(242,106,60,.35);outline-offset:3px;border-radius:8px;}

/* ============ 侧边导航 ============ */
.side-nav{
  position:fixed;inset:0 auto 0 0;
  width:var(--nav-w);
  height:100vh;
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  background:linear-gradient(180deg,#08251F 0%,#0E3A31 62%,#123F34 100%);
  color:#EAF1EC;
  z-index:60;
}
.brand{
  display:flex;flex-direction:column;gap:2px;
  padding:6px 12px 22px;
  border-bottom:1px solid rgba(220,228,218,.16);
}
.brand__main{font-size:23px;font-weight:800;letter-spacing:.04em;color:#fff;line-height:1.2;}
.brand__sub{font-size:12.5px;color:#A9C3B6;letter-spacing:.06em;}
.side-nav__list{display:flex;flex-direction:column;gap:4px;margin-top:20px;}
.side-nav__item{
  display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:12px;
  color:#CFDED5;font-size:14.5px;
  border-left:3px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.side-nav__item svg{width:18px;height:18px;flex:none;}
.side-nav__item:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-nav__item.is-active{
  background:rgba(242,106,60,.16);
  border-left-color:var(--orange);
  color:#fff;font-weight:600;
}
.side-nav__item.is-active svg{color:var(--orange-l);}
.side-nav__foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px;}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  background:rgba(214,242,94,.12);
  border:1px solid rgba(214,242,94,.3);
  color:var(--lime);font-size:12px;letter-spacing:.02em;
}
.status-badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block;box-shadow:0 0 0 4px rgba(214,242,94,.16);}

/* ============ 顶部移动导航 ============ */
.topbar{display:none;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,37,31,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;
  width:min(86vw,360px);
  background:var(--paper);
  z-index:90;
  transform:translateX(-102%);
  transition:transform .28s cubic-bezier(.4,.1,.2,1);
  display:flex;flex-direction:column;
  padding:22px 20px 26px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer__brand{display:flex;flex-direction:column;}
.drawer__brand .brand__main{color:var(--ink-900);}
.drawer__brand .brand__sub{color:var(--muted);}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;background:#fff;color:var(--ink-900);}
.drawer__list{display:flex;flex-direction:column;gap:2px;margin-top:16px;}
.drawer__link{
  display:flex;align-items:center;gap:12px;
  min-height:52px;padding:0 14px;border-radius:14px;
  font-size:16px;color:var(--text);border-left:3px solid transparent;
}
.drawer__link svg{width:19px;height:19px;color:var(--brand);}
.drawer__link.is-active{background:var(--orange-soft);border-left-color:var(--orange);color:var(--green-800);font-weight:700;}
.drawer__foot{margin-top:auto;padding-top:22px;}

/* ============ 内容外壳 ============ */
.shell{margin-left:var(--nav-w);padding-bottom:104px;}
.container{max-width:1240px;margin:0 auto;padding:0 52px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(135deg,#FF8557 0%,#F25A2C 100%);
  color:#fff;box-shadow:0 14px 30px -16px rgba(242,90,44,.75);
}
.btn--primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 20px 38px -16px rgba(242,90,44,.8);color:#fff;}
.btn--primary:active{transform:translateY(0);filter:brightness(.98);}
.btn--ghost{background:transparent;border-color:rgba(31,107,86,.35);color:var(--green-800);}
.btn--ghost:hover{background:rgba(31,107,86,.08);border-color:var(--brand);color:var(--green-800);transform:translateY(-2px);}
.btn--onDark{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn--onDark:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn--white{background:#fff;color:var(--green-800);}
.btn--white:hover{background:#F3F7F1;color:var(--green-800);transform:translateY(-2px);}
.btn--block{width:100%;}
.btn--sm{min-height:44px;font-size:14.5px;padding:0 18px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.6px;color:var(--brand);}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 分类页首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  border-radius:0 0 var(--r-xl) var(--r-xl);
  background:
    radial-gradient(circle at 88% 12%,rgba(242,106,60,.3) 0%,rgba(242,106,60,0) 46%),
    linear-gradient(135deg,#08251F 0%,#0E3A31 52%,#1F6B56 100%);
  color:#EAF1EC;
  padding:56px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -60px -120px auto;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(214,242,94,.16);
  box-shadow:0 0 0 46px rgba(214,242,94,.05),0 0 0 92px rgba(214,242,94,.04);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;position:relative;z-index:1;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(214,242,94,.14);border:1px solid rgba(214,242,94,.34);
  color:var(--lime);font-size:12.5px;letter-spacing:.08em;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:16em;}
.page-hero h1 em{font-style:normal;color:var(--orange-l);}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.85;color:#C4D6CC;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:12.8px;color:#D5E3DA;
}
.meta-pill b{font-family:"DIN Alternate","Barlow",system-ui,sans-serif;color:var(--lime);font-size:14px;}
.hero-panel{
  background:rgba(8,37,31,.55);
  border:1px solid rgba(220,228,218,.2);
  border-radius:var(--r-lg);
  padding:22px;
  backdrop-filter:blur(2px);
  box-shadow:0 26px 60px -30px rgba(0,0,0,.7);
}
.hero-panel__title{font-size:13px;letter-spacing:.1em;color:#9FBBAE;margin-bottom:14px;}
.hero-panel__row{
  display:flex;align-items:center;gap:12px;
  padding:13px 14px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.09);
  margin-bottom:10px;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.hero-panel__row:last-child{margin-bottom:0;}
.hero-panel__row:hover{background:rgba(255,255,255,.11);border-color:rgba(214,242,94,.4);transform:translateY(-2px);}
.hero-panel__row svg{width:20px;height:20px;color:var(--orange-l);flex:none;}
.hero-panel__name{font-size:14.6px;color:#EAF1EC;font-weight:600;}
.hero-panel__note{font-size:12px;color:#9FBBAE;}
.hero-panel__arrow{margin-left:auto;color:#9FBBAE;font-size:16px;}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:0;z-index:40;
  background:rgba(247,245,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  margin-top:-1px;
}
.anchor-bar__inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-bar__inner::-webkit-scrollbar{display:none;}
.chip{
  flex:none;display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13.6px;color:var(--green-800);
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.chip:hover{background:var(--orange-soft);border-color:rgba(242,106,60,.45);color:#B4431F;transform:translateY(-1px);}

/* ============ 区块 ============ */
.section{padding:var(--gap-section) 0 0;}
.section--tight{padding-top:56px;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;color:var(--brand);
  font-weight:700;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--orange);display:block;border-radius:2px;}
.section-desc{margin-top:12px;color:var(--muted);font-size:16px;line-height:1.85;}

/* ============ Bento 功能网格 ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.bento__item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  position:relative;overflow:hidden;
}
.bento__item:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--brand);}
.bento__item--a{grid-column:span 4;grid-row:span 2;padding:0;gap:0;}
.bento__item--b{grid-column:span 2;}
.bento__item--c{grid-column:span 2;}
.bento__item--d{grid-column:span 3;}
.bento__item--e{grid-column:span 3;}
.bento__num{
  font-family:"DIN Alternate","Barlow",system-ui,sans-serif;
  font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.1em;
}
.bento__icon{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--paper-2);color:var(--brand);flex:none;
}
.bento__icon svg{width:22px;height:22px;}
.bento__item h3{margin-top:2px;}
.bento__item p{color:var(--muted);font-size:15.2px;line-height:1.8;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--lime);color:var(--ink-900);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  width:max-content;
}
.badge--dark{background:var(--ink-900);color:var(--lime);}
.badge--dark b{font-family:"DIN Alternate","Barlow",system-ui,sans-serif;font-size:14px;color:var(--lime);}
.badge--soft{background:var(--orange-soft);color:#B4431F;}
.bento__media{position:relative;height:250px;overflow:hidden;}
.bento__media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.bento__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,37,31,0) 42%,rgba(8,37,31,.35) 100%);
}
.bento__body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;}
.bento__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.mini-tag{
  padding:4px 11px;border-radius:999px;background:var(--paper-2);
  font-size:12.2px;color:var(--green-800);border:1px solid #DFE7DA;
}
.bento__item--media{display:flex;flex-direction:column;}

/* ============ 对比表 ============ */
.table-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;
}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{width:100%;border-collapse:collapse;min-width:760px;font-size:15px;}
table.compare thead th{
  background:var(--green-800);color:#fff;
  font-weight:600;font-size:14px;letter-spacing:.03em;
  text-align:left;padding:16px 20px;white-space:nowrap;
}
table.compare tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);
  color:var(--muted);vertical-align:top;line-height:1.75;
}
table.compare tbody td:first-child{color:var(--ink-900);font-weight:600;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover td{background:#F2F7EF;}
.table-note{
  display:flex;gap:10px;align-items:flex-start;
  padding:16px 20px;background:var(--paper-2);
  font-size:13.8px;color:var(--muted);border-top:1px solid var(--line);
}
.table-note svg{width:18px;height:18px;color:var(--brand);flex:none;margin-top:3px;}

/* ============ 使用流程 ============ */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.flow__step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow__step:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--brand);}
.flow__node{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--orange-soft);color:#B4431F;
  font-family:"DIN Alternate","Barlow",system-ui,sans-serif;
  font-weight:700;font-size:14px;margin-bottom:16px;
  border:1px solid rgba(242,106,60,.3);
}
.flow__step h3{font-size:19px;margin-bottom:8px;}
.flow__step p{color:var(--muted);font-size:15px;}
.flow__step::after{
  content:"";position:absolute;right:-13px;top:46px;width:20px;height:1px;
  background:var(--line);
}
.flow__step:last-child::after{display:none;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:44px;align-items:start;}
.faq-aside{
  background:linear-gradient(160deg,#0E3A31 0%,#08251F 100%);
  color:#D9E7DE;border-radius:var(--r-lg);padding:30px;
  box-shadow:var(--shadow);position:sticky;top:96px;
}
.faq-aside h3{color:#fff;margin-bottom:10px;}
.faq-aside p{font-size:14.6px;color:#AFC6B9;line-height:1.85;}
.faq-aside ul{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.faq-aside li{display:flex;gap:10px;font-size:14px;color:#C6D9CD;align-items:flex-start;}
.faq-aside li svg{width:17px;height:17px;color:var(--lime);flex:none;margin-top:4px;}
.faq{display:flex;flex-direction:column;gap:12px;}
.faq__item{
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;overflow:hidden;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
  box-shadow:0 8px 22px -20px rgba(8,37,31,.5);
}
.faq__item[open]{background:#F2F8EF;border-color:#C9DCC4;box-shadow:var(--shadow);}
.faq__item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__q{flex:1;}
.faq__plus{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--paper-2);color:var(--green-800);
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq__plus svg{width:13px;height:13px;}
.faq__item[open] .faq__plus{transform:rotate(45deg);background:var(--orange);color:#fff;}
.faq__a{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  margin-top:var(--gap-section);
  border-radius:var(--r-xl);
  padding:52px;
  background:
    radial-gradient(circle at 92% 8%,rgba(242,106,60,.34) 0%,rgba(242,106,60,0) 46%),
    linear-gradient(135deg,#08251F 0%,#0E3A31 55%,#1F6B56 100%);
  color:#EAF1EC;
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{color:#fff;}
.cta-band p{margin-top:12px;color:#BCCFC4;font-size:16px;max-width:36em;}
.cta-band__actions{display:flex;flex-direction:column;gap:12px;}
.cta-band__actions .btn{width:100%;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--gap-section);
  background:var(--ink-900);
  color:#B9CBC1;
  padding:60px 0 0;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(220,228,218,.14);
}
.footer-brand{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.footer-brand .brand__main{color:#fff;font-size:20px;}
.footer-brand .brand__sub{color:#8FAF9F;font-size:12.5px;}
.footer-col p{font-size:14px;line-height:1.85;color:#9FBBAE;}
.footer-col h4{color:#fff;font-size:14.5px;letter-spacing:.06em;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#B9CBC1;font-size:14px;}
.footer-col a:hover{color:var(--orange-l);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0 26px;font-size:12.8px;color:#7E9A8C;
}

/* ============ 底部固定转化条 ============ */
.action-bar{
  position:fixed;left:var(--nav-w);right:0;bottom:0;height:68px;
  background:linear-gradient(100deg,#08251F 0%,#0E3A31 100%);
  border-top:1px solid rgba(214,242,94,.18);
  display:flex;align-items:center;gap:20px;
  padding:0 32px;z-index:50;
  box-shadow:0 -12px 30px -22px rgba(8,37,31,.8);
}
.action-bar__text{font-size:14px;color:#C4D6CC;display:flex;align-items:center;gap:9px;}
.action-bar__text i{width:8px;height:8px;border-radius:50%;background:var(--lime);display:block;box-shadow:0 0 0 4px rgba(214,242,94,.14);}
.action-bar__actions{margin-left:auto;display:flex;gap:12px;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 40px;}
  .hero-grid{gap:32px;}
}
@media (max-width:1024px){
  .side-nav{display:none;}
  .shell{margin-left:0;padding-bottom:96px;padding-top:60px;}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:60px;
    padding:0 18px;background:rgba(247,245,239,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);z-index:70;
  }
  .topbar__brand{display:flex;flex-direction:column;line-height:1.2;}
  .topbar__brand .brand__main{font-size:17px;color:var(--ink-900);}
  .topbar__brand .brand__sub{font-size:11px;color:var(--muted);}
  .hamburger{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:#fff;display:grid;place-content:center;gap:4px;
  }
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green-800);}
  .action-bar{left:0;padding:0 20px;}
  .anchor-bar{top:60px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-panel{max-width:520px;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento__item--a{grid-column:span 2;grid-row:auto;}
  .bento__item--b,.bento__item--c,.bento__item--d,.bento__item--e{grid-column:span 1;}
  .flow{grid-template-columns:1fr;}
  .flow__step::after{display:none;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--gap-section:64px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .page-hero{padding:40px 0 44px;border-radius:0 0 24px 24px;}
  .hero-lead{font-size:15.6px;}
  .hero-actions .btn{width:100%;}
  .bento{grid-template-columns:1fr;}
  .bento__item--a,.bento__item--b,.bento__item--c,.bento__item--d,.bento__item--e{grid-column:span 1;}
  .bento__item{padding:22px;}
  .bento__body{padding:22px;}
  .bento__media{height:190px;}
  .cta-band{padding:30px;border-radius:24px;}
  .action-bar__text{display:none;}
  .action-bar{height:64px;padding:0 14px calc(0px + env(safe-area-inset-bottom,0px));}
  .action-bar__actions{width:100%;}
  .action-bar__actions .btn{flex:1;min-height:46px;font-size:14.5px;padding:0 14px;}
  .footer-grid{grid-template-columns:1fr;}
  :root{--gap-section:48px;}
  .section-head{margin-bottom:26px;}
  .table-card{border-radius:18px;}
  table.compare{font-size:14px;min-width:680px;}
  table.compare thead th,table.compare tbody td{padding:13px 14px;}
  table.compare th:first-child,table.compare td:first-child{position:sticky;left:0;z-index:2;background:#fff;box-shadow:1px 0 0 var(--line);}
  table.compare thead th:first-child{background:var(--green-800);box-shadow:1px 0 0 rgba(255,255,255,.16);}
  table.compare tbody tr:hover td:first-child{background:#F2F7EF;}
  .faq__item summary{padding:17px 18px;font-size:15.2px;}
  .faq__a{padding:0 18px 18px;font-size:14.6px;}
  .site-footer{padding-top:44px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-meta{gap:8px;}
  .meta-pill{font-size:12px;padding:7px 11px;}
  .bento__item--a .bento__media{height:160px;}
  .cta-band{padding:24px;}
  .chip{font-size:13px;padding:8px 13px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --green-900:#08251F;
  --green-800:#0E3A31;
  --green-700:#1F6B56;
  --green-500:#2FA57F;
  --orange:#F26A3C;
  --orange-light:#FF8557;
  --orange-deep:#F25A2C;
  --orange-soft:#FFE8DD;
  --lime:#D6F25E;
  --paper:#F7F5EF;
  --paper-2:#EDF1E8;
  --card:#FFFFFF;
  --line:#DCE4DA;
  --ink:#12211C;
  --ink-soft:#5E6F67;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-sm:16px;
  --radius-btn:14px;
  --shadow:0 18px 40px -24px rgba(8,37,31,.28);
  --shadow-hover:0 24px 60px -22px rgba(8,37,31,.36);
  --grad-main:linear-gradient(135deg,#08251F 0%,#0E3A31 55%,#1F6B56 100%);
  --grad-btn:linear-gradient(135deg,#FF8557,#F25A2C);
  --sidebar-w:248px;
  --font-cn:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm);}
a{color:inherit;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;color:var(--green-900);}
h1{font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.15;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;}
h3{font-size:clamp(19px,1.6vw,23px);font-weight:700;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
[hidden]{display:none !important;}
:focus-visible{outline:3px solid rgba(242,106,60,.35);outline-offset:2px;border-radius:8px;}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 18px 18px;z-index:60;overflow-y:auto;
  transition:transform .28s ease;
}
.brand{
  display:flex;flex-direction:column;gap:3px;
  padding:4px 10px 20px;text-decoration:none;
}
.brand__mark{font-size:26px;font-weight:800;color:var(--green-900);letter-spacing:-0.02em;line-height:1.15;}
.brand__mark em{font-style:normal;color:var(--orange);}
.brand__sub{font-size:12.5px;color:var(--ink-soft);letter-spacing:.04em;line-height:1.5;}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.side-nav__item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:12px;
  color:var(--ink-soft);font-size:15px;font-weight:500;text-decoration:none;
  transition:background .18s ease,color .18s ease;
}
.side-nav__item svg{width:18px;height:18px;flex:none;}
.side-nav__item:hover{background:var(--paper-2);color:var(--green-900);}
.side-nav__item.is-active{background:rgba(242,106,60,.12);color:var(--green-900);font-weight:700;}
.side-nav__item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--orange);
}
.sidebar__foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px;}
.sidebar__close{display:none;}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:700;text-decoration:none;cursor:pointer;
  border:1px solid transparent;background:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn--primary{background:var(--grad-btn);color:#fff;box-shadow:0 12px 26px -16px rgba(242,90,44,.9);}
.btn--primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 34px -18px rgba(242,90,44,.85);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--green-900);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--green-700);color:var(--green-700);transform:translateY(-2px);}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn--outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn--block{width:100%;}
.btn--sm{height:42px;padding:0 18px;font-size:14px;border-radius:12px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--green-700);font-weight:700;font-size:14.5px;text-decoration:none;
}
.link-arrow svg{width:16px;height:16px;transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
.link-arrow:hover{color:var(--orange-deep);}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--ink-soft);
  background:var(--paper-2);border-radius:999px;padding:7px 12px;line-height:1.4;
}
.status-badge i{width:7px;height:7px;border-radius:50%;background:var(--green-500);box-shadow:0 0 0 3px rgba(47,165,127,.18);flex:none;}
.badge-lime{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--lime);color:var(--green-900);
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700;line-height:1.4;
}
.badge-lime b{font-family:var(--font-num);font-size:14px;letter-spacing:.02em;}
.badge-dark{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--green-900);color:#fff;
  border-radius:999px;padding:6px 12px;font-size:12px;line-height:1.4;
}
.badge-dark b{font-family:var(--font-num);color:var(--lime);font-size:14px;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:55;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(247,245,239,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar .brand{padding:0;gap:0;}
.topbar .brand__mark{font-size:19px;}
.topbar .brand__sub{font-size:11px;letter-spacing:.02em;}
.hamburger{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--green-900);cursor:pointer;
}
.hamburger:hover{background:var(--paper-2);}
.scrim{
  position:fixed;inset:0;background:rgba(8,37,31,.6);z-index:58;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.scrim.is-on{opacity:1;pointer-events:auto;}

/* ---------- 页面骨架 ---------- */
.page{margin-left:var(--sidebar-w);padding-bottom:110px;}
.container{max-width:1240px;margin:0 auto;padding:0 48px;}
main{padding-top:32px;}
.section{margin-top:66px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px;flex-wrap:wrap;}
.section-head p{color:var(--ink-soft);font-size:14.5px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--green-700);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px;}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:46px 46px 42px;
  color:#fff;
  background-image:linear-gradient(135deg,rgba(8,37,31,.95) 0%,rgba(14,58,49,.88) 55%,rgba(31,107,86,.82) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow);
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;top:-150px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,60,.34),transparent 68%);
  pointer-events:none;
}
.cat-hero .eyebrow{color:var(--lime);}
.cat-hero .eyebrow::before{background:var(--lime);}
.cat-hero h1{color:#fff;margin:14px 0 16px;max-width:760px;position:relative;z-index:1;}
.cat-hero .lead{
  color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;
  max-width:700px;position:relative;z-index:1;
}
.hero-tools{position:relative;z-index:1;margin-top:28px;}
.search-card{
  display:flex;align-items:center;gap:10px;
  background:#fff;border-radius:var(--radius-sm);
  padding:6px 6px 6px 16px;max-width:580px;
  box-shadow:0 16px 34px -22px rgba(8,37,31,.7);
}
.search-card svg{width:20px;height:20px;color:var(--ink-soft);flex:none;}
.search-card input{
  flex:1;min-width:0;border:0;height:46px;background:transparent;outline:none;
  font-size:15px;color:var(--ink);
}
.search-card input::placeholder{color:#98A79F;}
.search-card .btn{flex:none;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);
  color:#fff;border-radius:999px;padding:8px 16px;font-size:13.5px;
  cursor:pointer;transition:all .18s ease;line-height:1.4;
}
.chip:hover{background:rgba(255,255,255,.18);}
.chip.is-active{background:var(--lime);color:var(--green-900);border-color:transparent;font-weight:700;}

/* ---------- 快捷入口 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.qcard{
  grid-column:span 3;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;gap:12px;
}
.qcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green-500);}
.qcard--wide{grid-column:span 6;padding:0;overflow:hidden;flex-direction:row;align-items:stretch;}
.qcard--wide .qcard__media{flex:0 0 44%;min-height:220px;}
.qcard--wide .qcard__media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.qcard--wide .qcard__body{padding:26px;display:flex;flex-direction:column;gap:12px;}
.qcard__icon{
  width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--orange-soft);color:var(--orange-deep);flex:none;
}
.qcard__icon svg{width:22px;height:22px;}
.qcard h3{font-size:18.5px;}
.qcard p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;}
.qcard--bar{grid-column:span 12;flex-direction:row;align-items:center;justify-content:space-between;gap:20px;}

/* ---------- FAQ 双栏 ---------- */
.faq-layout{display:grid;grid-template-columns:288px minmax(0,1fr);gap:32px;align-items:start;}
.toc{
  position:sticky;top:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);
}
.toc h4{font-size:14px;letter-spacing:.08em;color:var(--ink-soft);font-weight:700;margin-bottom:14px;}
.toc a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14.5px;
  color:var(--ink);text-decoration:none;line-height:1.6;
  transition:background .18s ease,color .18s ease;
}
.toc a:hover{background:var(--paper-2);color:var(--green-700);}
.toc a.is-active{background:rgba(242,106,60,.12);color:var(--green-900);font-weight:700;}
.toc__note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-soft);line-height:1.7;}

.faq-group{margin-bottom:34px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group__title{
  display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:21px;font-weight:700;color:var(--green-900);
}
.faq-group__title::before{content:"";width:4px;height:22px;border-radius:3px;background:var(--orange);}
.faq-group__count{font-family:var(--font-num);font-size:13px;color:var(--ink-soft);background:var(--paper-2);border-radius:999px;padding:3px 10px;font-weight:600;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  margin-bottom:12px;overflow:hidden;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--green-500);box-shadow:var(--shadow);}
.faq-item[open]{background:var(--paper-2);border-color:var(--green-500);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  justify-content:space-between;padding:20px 24px;
  font-size:16px;font-weight:600;color:var(--green-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;font-size:22px;font-weight:400;line-height:1;
  color:var(--orange-deep);transition:transform .2s ease;margin-top:2px;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--ink-soft);line-height:1.85;}
.faq-body strong{color:var(--green-900);}
.faq-empty{
  border:1.5px dashed var(--line);border-radius:var(--radius-lg);
  padding:44px 24px;text-align:center;background:#fff;
}
.faq-empty svg{width:34px;height:34px;color:var(--ink-soft);margin:0 auto 12px;}
.faq-empty p{color:var(--ink-soft);font-size:14.5px;}
.faq-empty a{color:var(--green-700);font-weight:700;text-decoration:none;}
.faq-empty a:hover{color:var(--orange-deep);}

/* ---------- 排查步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green-500);}
.step__num{
  font-family:var(--font-num);font-size:30px;font-weight:700;
  color:var(--orange);line-height:1;letter-spacing:.02em;
}
.step h3{margin:14px 0 10px;font-size:19px;}
.step p{font-size:14.5px;color:var(--ink-soft);line-height:1.8;}

/* ---------- 联系卡 ---------- */
.contact{
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:32px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:38px;box-shadow:var(--shadow);
}
.contact__intro h2{margin-bottom:14px;}
.contact__intro p{color:var(--ink-soft);font-size:15px;line-height:1.85;}
.contact__list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.contact__list li{display:flex;gap:10px;font-size:14px;color:var(--ink-soft);line-height:1.7;}
.contact__list li svg{width:18px;height:18px;color:var(--green-500);flex:none;margin-top:3px;}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field--full{grid-column:span 2;}
.field label{font-size:14px;font-weight:600;color:var(--green-900);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;
  padding:0 14px;height:48px;color:var(--ink);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--green-700);box-shadow:0 0 0 3px rgba(31,107,86,.14);
}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-soft);line-height:1.7;}
.check input{width:18px;height:18px;flex:none;margin-top:3px;accent-color:var(--green-700);}
.form__foot{grid-column:span 2;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form__tip{font-size:13px;color:var(--ink-soft);}
.form__msg{grid-column:span 2;font-size:14px;color:var(--green-700);font-weight:600;}

/* ---------- 底部 CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(8,37,31,.96),rgba(14,58,49,.9) 60%,rgba(31,107,86,.86)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-radius:var(--radius-xl);padding:46px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow);
}
.final-cta h2{color:#fff;margin-bottom:12px;}
.final-cta p{color:rgba(255,255,255,.8);font-size:15px;max-width:560px;}
.final-cta__actions{display:flex;gap:12px;flex-wrap:wrap;flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-900);color:rgba(255,255,255,.72);margin-top:72px;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;letter-spacing:.02em;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-col a{
  display:block;color:rgba(255,255,255,.72);text-decoration:none;
  font-size:14px;line-height:2.1;transition:color .18s ease;
}
.footer-col a:hover{color:var(--orange-light);}
.footer-brand{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;text-decoration:none;}
.footer-brand b{font-size:22px;color:#fff;font-weight:800;letter-spacing:-0.01em;}
.footer-brand span{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.05em;}
.footer-note{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:16px;padding:8px 14px 8px 8px;border-radius:999px;
  background:rgba(255,255,255,.07);font-size:12.5px;color:rgba(255,255,255,.66);
}
.footer-note .avatar{
  width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--orange);color:#fff;font-size:12px;font-weight:700;flex:none;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.62);text-decoration:none;}
.footer-bottom a:hover{color:var(--orange-light);}

/* ---------- 底部固定转化条 ---------- */
.convert-bar{
  position:fixed;left:var(--sidebar-w);right:0;bottom:0;height:68px;z-index:50;
  background:var(--green-900);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 32px;border-top:1px solid rgba(255,255,255,.12);
}
.convert-bar__text{font-size:14px;color:rgba(255,255,255,.82);display:flex;align-items:center;gap:10px;min-width:0;}
.convert-bar__text i{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none;box-shadow:0 0 0 3px rgba(214,242,94,.18);}
.convert-bar__actions{display:flex;gap:10px;flex:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .quick-grid{grid-template-columns:repeat(6,1fr);}
  .qcard{grid-column:span 3;}
  .qcard--wide{grid-column:span 6;}
  .qcard--bar{grid-column:span 6;}
}
@media (max-width:1023px){
  .sidebar{
    width:min(86vw,360px);
    transform:translateX(-100%);
    box-shadow:0 0 60px rgba(8,37,31,.35);
    padding-top:20px;
  }
  .sidebar.is-open{transform:none;}
  .sidebar__close{
    display:inline-flex;align-items:center;justify-content:center;
    position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--green-900);cursor:pointer;
  }
  .topbar{display:flex;}
  .page{margin-left:0;padding-top:60px;padding-bottom:120px;}
  main{padding-top:20px;}
  .container{padding:0 22px;}
  .cat-hero{padding:34px 26px;border-radius:26px;}
  .faq-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .steps{grid-template-columns:1fr;}
  .contact{grid-template-columns:1fr;padding:26px;border-radius:26px;}
  .final-cta{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .convert-bar{left:0;height:auto;min-height:64px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));gap:12px;}
  .convert-bar__text{font-size:13px;line-height:1.5;}
  .convert-bar__text span{display:none;}
  .convert-bar__actions .hide-sm{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .quick-grid{grid-template-columns:1fr;}
  .qcard,.qcard--wide,.qcard--bar{grid-column:span 1;}
  .qcard--wide{flex-direction:column;}
  .qcard--wide .qcard__media{flex:none;min-height:180px;}
  .qcard--bar{flex-direction:column;align-items:flex-start;}
  .form{grid-template-columns:1fr;}
  .field--full,.form__foot,.form__msg{grid-column:span 1;}
  .form__foot .btn{width:100%;}
  .section{margin-top:48px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .search-card{flex-wrap:wrap;padding:10px;}
  .search-card input{height:42px;flex:1 1 100%;padding:0 6px;}
  .search-card .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}