/* roulang page: index */
:root{
  --green:#0F3B2E;
  --green-deep:#0A2A20;
  --lime:#C9F24C;
  --lime-dark:#B7E039;
  --orange:#FF6A2B;
  --paper:#F7F5F0;
  --paper-2:#EFEBE2;
  --white:#FFFFFF;
  --ink:#0E1210;
  --ink-2:#3C423B;
  --ink-3:#7A8078;
  --line:#E4E0D6;
  --r-card:18px;
  --r-img:12px;
  --r-btn:999px;
  --r-input:10px;
  --sh:0 1px 2px rgba(16,18,16,.04), 0 12px 32px -18px rgba(16,18,16,.18);
  --sh-hover:0 2px 4px rgba(16,18,16,.06), 0 24px 46px -20px rgba(16,18,16,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.nums{font-family:"Barlow Condensed","Archivo","Arial Narrow",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:100;display:flex;justify-content:center;padding:0 16px;pointer-events:none;}
.dock{
  pointer-events:auto;
  width:100%;max-width:1120px;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,18,16,.08);
  box-shadow:0 8px 30px -12px rgba(16,18,16,.22);
  transition:height .24s var(--ease), max-width .24s var(--ease), box-shadow .24s var(--ease);
}
body.scrolled .dock{height:56px;max-width:1096px;box-shadow:0 12px 34px -12px rgba(16,18,16,.32);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:var(--green);
  display:grid;place-items:center;
  position:relative;overflow:hidden;
}
.brand-mark::before{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,transparent 46%,rgba(201,242,76,.9) 46%,rgba(201,242,76,.9) 54%,transparent 54%),
  linear-gradient(0deg,transparent 46%,rgba(201,242,76,.45) 46%,rgba(201,242,76,.45) 54%,transparent 54%);}
.brand-mark span{position:relative;z-index:2;width:9px;height:9px;border-radius:50%;background:var(--lime);}
.brand-text{font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap;}
.brand-text small{display:block;font-size:10px;font-weight:600;color:var(--ink-3);letter-spacing:.14em;line-height:1.2;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;display:block;padding:8px 13px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;
  background:var(--lime);opacity:0;transform:scaleX(.6);transform-origin:left;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.dock-nav a:hover{color:var(--ink);transform:translateY(1px);}
.dock-nav a:hover::after{opacity:.6;transform:scaleX(1);}
.dock-nav a.active{color:var(--ink);font-weight:800;}
.dock-nav a.active::after{opacity:1;transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  border:1px solid rgba(16,18,16,.10);color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--white);color:var(--ink);border-color:rgba(16,18,16,.2);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(15,59,46,.6);}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost{padding:0 4px;height:auto;color:var(--ink);font-weight:700;}
.btn-ghost .arw{display:inline-block;transition:transform .2s var(--ease);}
.btn-ghost:hover .arw{transform:translateX(4px);}
.btn-light-outline{border:1.5px solid rgba(255,255,255,.6);color:#fff;}
.btn-light-outline:hover{background:#fff;color:var(--green-deep);transform:translateY(-2px);}
.btn-block{width:100%;}
.dock .btn{height:40px;padding:0 18px;font-size:14px;}
.burger{display:none;width:42px;height:42px;border-radius:999px;border:1px solid rgba(16,18,16,.12);align-items:center;justify-content:center;}
.burger span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--ink);border-radius:2px;}
.burger span::before{top:-5px;}
.burger span::after{top:5px;}
.mobile-panel{
  position:fixed;top:0;left:0;right:0;z-index:99;
  background:var(--paper);
  border-radius:0 0 24px 24px;
  padding:88px 20px 28px;
  box-shadow:0 30px 60px -24px rgba(16,18,16,.4);
  transform:translateY(-104%);
  transition:transform .3s var(--ease);
}
.mobile-panel.open{transform:translateY(0);}
.mobile-panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:16px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link i{font-style:normal;color:var(--ink-3);font-weight:700;}
.mobile-panel .m-foot{margin-top:20px;display:grid;gap:10px;}
.mobile-panel .m-foot small{color:var(--ink-3);font-size:13px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--green);color:#fff;overflow:hidden;padding:150px 0 96px;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.28;}
.hero-overlay{position:absolute;inset:0;background:
  linear-gradient(135deg,rgba(10,42,32,.94) 0%,rgba(15,59,46,.86) 55%,rgba(10,42,32,.78) 100%);}
.hero-grid-lines{position:absolute;inset:0;opacity:.5;background-image:
  linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:58% 42%;gap:40px;align-items:center;}
.hero-copy{max-width:640px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-lime{background:rgba(201,242,76,.16);color:var(--lime);border:1px solid rgba(201,242,76,.35);}
.badge-soft{background:var(--paper-2);color:var(--ink-2);}
.badge-outline{border:1px solid var(--line);color:var(--ink-2);}
.badge-orange{background:rgba(255,106,43,.14);color:var(--orange);border:1px solid rgba(255,106,43,.3);}
.hero h1{
  font-size:clamp(34px,5vw,58px);
  font-weight:900;line-height:1.14;letter-spacing:-.03em;
  margin:22px 0 18px;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:17px;color:rgba(255,255,255,.78);max-width:34ch;}
.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding-top:24px;}
.hero-stats b{display:block;font-size:28px;color:var(--lime);font-weight:800;line-height:1.2;}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.62);}
.hero-visual{position:relative;}
.hero-visual .frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 40px 80px -40px rgba(0,0,0,.7);
  background:var(--paper-2);
  aspect-ratio:16/10;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.countdown-pill{
  position:absolute;top:-16px;right:8px;z-index:3;
  display:flex;align-items:center;gap:10px;
  padding:8px 14px;border-radius:999px;
  background:rgba(14,18,16,.86);border:1px solid rgba(255,106,43,.42);
  font-size:12px;color:rgba(255,255,255,.72);
  box-shadow:0 16px 34px -18px rgba(0,0,0,.9);
}
.countdown-pill b{color:var(--orange);font-size:16px;font-weight:800;}
.hero-visual .mini-card{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;color:var(--ink);border-radius:14px;padding:14px 18px;
  box-shadow:0 26px 50px -26px rgba(0,0,0,.6);
  display:flex;gap:14px;align-items:center;
}
.hero-visual .mini-card b{font-size:22px;color:var(--green);}
.hero-visual .mini-card span{font-size:12px;color:var(--ink-3);line-height:1.5;}

/* ---------- 通用区块 ---------- */
section{position:relative;}
.sec{padding:104px 0;}
.sec-tight{padding:88px 0;}
.sec-alt{background:var(--paper-2);}
.sec-white{background:var(--white);}
.sec-dark{background:var(--ink);color:#fff;}
.sec-green{background:var(--green);color:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(26px,3.2vw,40px);font-weight:900;letter-spacing:-.03em;max-width:22ch;}
.sec-head p{color:var(--ink-3);font-size:15px;margin-top:12px;max-width:56ch;}
.sec-dark .sec-head p,.sec-green .sec-head p{color:rgba(255,255,255,.66);}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;
  color:var(--ink-3);text-transform:uppercase;margin-bottom:14px;
}
.sec-dark .eyebrow,.sec-green .eyebrow{color:var(--lime);}

/* ---------- 阶梯 ---------- */
.ladder{display:grid;gap:0;}
.ladder-item{
  position:relative;display:grid;grid-template-columns:120px 1fr auto;gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 30px;margin-bottom:16px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.ladder-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:4px;
  background:var(--lime);opacity:0;transition:opacity .24s var(--ease);
}
.ladder-item:hover{transform:translateX(6px);border-color:rgba(15,59,46,.34);box-shadow:var(--sh);}
.ladder-item:hover::before{opacity:1;}
.ladder-item .idx{font-size:44px;font-weight:800;color:var(--lime-dark);line-height:1;}
.ladder-item h3{font-size:20px;margin-bottom:8px;}
.ladder-item ul{display:flex;flex-wrap:wrap;gap:8px 18px;}
.ladder-item li{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;}
.ladder-item li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);}
.ladder-item .ladder-cta{font-size:14px;font-weight:700;color:var(--green);display:inline-flex;align-items:center;gap:6px;}
.ladder-item .ladder-cta .arw{transition:transform .2s var(--ease);}
.ladder-item:hover .ladder-cta .arw{transform:translateX(4px);}
.ladder-item.lv1{width:100%;}
.ladder-item.lv2{width:calc(100% - 20px);margin-left:20px;}
.ladder-item.lv3{width:calc(100% - 40px);margin-left:40px;}
.ladder-item.lv4{width:calc(100% - 60px);margin-left:60px;}

/* ---------- 对比表 ---------- */
.compare{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.compare th,.compare td{padding:18px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:middle;}
.compare thead th{background:#fff;font-weight:800;font-size:15px;color:var(--ink);position:relative;}
.compare thead th:first-child{background:var(--paper-2);font-weight:700;color:var(--ink-2);font-size:13.5px;}
.compare tbody tr:last-child td{border-bottom:0;}
.compare tbody tr{transition:background .2s var(--ease);}
.compare tbody tr:hover{background:var(--paper);}
.compare td:first-child{background:var(--paper-2);font-weight:700;color:var(--ink-2);font-size:13.5px;}
.compare .price{font-size:26px;font-weight:800;color:var(--green);}
.compare .price small{font-size:12px;color:var(--ink-3);font-weight:600;margin-left:4px;}
.compare .rec{background:rgba(201,242,76,.10);}
.compare thead th.rec::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--lime);}
.rec-badge{position:absolute;top:-1px;right:16px;transform:translateY(-50%);}
.compare-cards{display:none;gap:16px;grid-template-columns:1fr;}
.cmp-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh);}
.cmp-card.is-rec{border-color:rgba(201,242,76,.9);box-shadow:0 0 0 3px rgba(201,242,76,.28),var(--sh);}
.cmp-card h3{font-size:19px;margin-bottom:6px;}
.cmp-card .cmp-acr{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:12px;margin-bottom:12px;}
.cmp-card dl{display:grid;gap:8px;margin:0;}
.cmp-card dl div{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-2);}
.cmp-card dl dt{color:var(--ink-3);}
.cmp-card dl dd{margin:0;font-weight:600;color:var(--ink);}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,59,46,.28);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.post-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--green);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  font-size:18px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body h3 span{background-image:linear-gradient(var(--lime),var(--lime));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size .24s var(--ease);}
.post-card:hover .post-body h3 span{background-size:100% 2px;}
.post-body p{
  font-size:14px;color:var(--ink-3);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3);}
.post-meta .date{font-size:13px;letter-spacing:.02em;}
.post-meta .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--green);}
.post-meta .go .arw{transition:transform .2s var(--ease);}
.post-card:hover .post-meta .go .arw{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;
}
.empty-state .ic{width:52px;height:52px;border-radius:16px;background:var(--paper-2);display:grid;place-items:center;color:var(--green);font-size:22px;font-weight:800;}
.empty-state p{color:var(--ink-3);font-size:14.5px;}

/* ---------- 倒计时横幅 ---------- */
.banner{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:30px 36px;display:flex;align-items:center;gap:28px;justify-content:space-between;flex-wrap:wrap;
}
.banner::before{content:"";position:absolute;inset:0;opacity:.6;background-image:
  linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:36px 36px;}
.banner > *{position:relative;z-index:2;}
.banner .clock{display:flex;align-items:baseline;gap:8px;}
.banner .clock b{font-size:34px;font-weight:800;color:var(--orange);}
.banner .clock i{font-style:normal;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);text-transform:uppercase;}
.banner .btxt{font-size:16px;color:rgba(255,255,255,.86);max-width:52ch;}
.banner .btxt strong{color:var(--lime);}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;}
.flow::before{content:"";position:absolute;left:0;right:0;top:26px;height:1px;background:var(--line);}
.flow-item{position:relative;padding:0 20px 0 0;}
.flow-item .dot{
  width:52px;height:52px;border-radius:16px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;font-weight:800;color:var(--green);font-size:18px;
  position:relative;z-index:2;margin-bottom:20px;
}
.flow-item h3{font-size:18px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16.5px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .pm{position:relative;width:16px;height:16px;flex-shrink:0;transition:transform .2s var(--ease);}
.faq-item .pm::before,.faq-item .pm::after{content:"";position:absolute;background:var(--green);border-radius:2px;}
.faq-item .pm::before{left:0;top:7px;width:16px;height:2px;}
.faq-item .pm::after{left:7px;top:0;width:2px;height:16px;transition:opacity .2s var(--ease);}
.faq-item[open] .pm{transform:rotate(180deg);}
.faq-item[open] .pm::after{opacity:0;}
.faq-item .ans{padding:0 32px 22px 0;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:32px;}
.field{display:grid;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;font-weight:700;color:rgba(255,255,255,.88);}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 2px var(--lime);
}
.field .err{font-size:12px;color:var(--orange);display:none;}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--orange);}
.field.invalid .err{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(255,255,255,.76);margin:6px 0 22px;}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--lime);flex-shrink:0;}
.form-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);text-align:center;display:none;}
.form-note.show{display:block;color:var(--lime);}
.trust-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:28px;}
.trust-card h3{font-size:18px;color:#fff;margin-bottom:16px;}
.trust-list{display:grid;gap:16px;}
.trust-list li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.76);line-height:1.7;}
.trust-list b{color:var(--lime);font-weight:800;flex-shrink:0;font-size:14px;}
.trust-foot{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6);line-height:1.8;}

/* ---------- 页脚 ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-text{color:#fff;font-size:16px;}
.foot-col h4{font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.42);font-weight:800;margin-bottom:18px;text-transform:uppercase;}
.foot-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.foot-col ul{display:grid;gap:10px;}
.foot-col ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.foot-col ul a:hover{color:var(--lime);transform:translateX(3px);}
.foot-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.44);}
.foot-bottom a{color:rgba(255,255,255,.6);}
.foot-bottom a:hover{color:var(--lime);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .dock-nav a{padding:8px 10px;font-size:13.5px;}
}
@media (max-width:1024px){
  .container{max-width:100%;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .foot-col:last-child{grid-column:1/-1;}
}
@media (max-width:900px){
  .dock-nav{display:none;}
  .dock-actions .btn{display:none;}
  .burger{display:flex;}
  .dock{height:58px;padding:0 8px 0 14px;}
  .hero{padding:120px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-visual .mini-card{left:0;}
  .hero-cta .btn{flex:1 1 100%;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .flow::before{display:none;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .compare{display:none;}
  .compare-cards{display:grid;}
  .ladder-item{grid-template-columns:80px 1fr;gap:18px;}
  .ladder-item .ladder-cta{grid-column:2;}
  .ladder-item.lv2,.ladder-item.lv3,.ladder-item.lv4{width:100%;margin-left:0;}
}
@media (max-width:768px){
  .sec{padding:64px 0;}
  .sec-tight{padding:56px 0;}
  .container{padding:0 16px;}
  .post-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:32px;}
  .banner{border-radius:16px;padding:24px;flex-direction:column;align-items:center;text-align:center;gap:18px;}
  .banner .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .form-card,.trust-card{padding:22px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .hero{padding:104px 0 60px;}
  .hero h1{font-size:32px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .flow{grid-template-columns:1fr;}
  .ladder-item{grid-template-columns:1fr;padding:22px;}
  .ladder-item .idx{font-size:34px;}
  .ladder-item .ladder-cta{grid-column:1;}
  .foot-grid{grid-template-columns:1fr;}
  .brand-text{font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --green:#0F3B2E;
  --green-dark:#0A2A20;
  --lime:#C9F24C;
  --lime-deep:#B5DE38;
  --alert:#FF6A2B;
  --bg:#F7F5F0;
  --bg2:#EFEBE2;
  --card:#FFFFFF;
  --ink:#0E1210;
  --ink2:#3C423B;
  --muted:#7A8078;
  --line:#E4E0D6;
  --r-card:18px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --shadow:0 1px 2px rgba(16,18,16,.04), 0 12px 32px -18px rgba(16,18,16,.18);
  --shadow-hover:0 2px 4px rgba(16,18,16,.05), 0 22px 44px -22px rgba(16,18,16,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --num:"Barlow Condensed","Archivo Narrow","Noto Sans SC",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0 0 14px}
ul,ol{margin:0}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section.tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(26px,3.2vw,40px)}
.sec-head p{color:var(--ink2);max-width:60ch;margin:8px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-family:var(--num);font-weight:600}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}

/* ===== Dock 导航 ===== */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 48px);max-width:1120px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 12px 0 18px;border-radius:var(--r-pill);
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,18,16,.08);
  box-shadow:0 8px 30px -12px rgba(16,18,16,.22);
  z-index:120;
  transition:height .24s var(--ease),max-width .24s var(--ease),top .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.shrink{height:56px;max-width:1096px;top:10px;box-shadow:0 12px 34px -12px rgba(16,18,16,.32)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:var(--green);display:grid;place-items:center;position:relative;overflow:hidden;
}
.brand-mark::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 40%,rgba(201,242,76,.35) 50%,transparent 60%)}
.brand-mark span{width:12px;height:12px;border-radius:3px;background:var(--lime);display:block;transform:rotate(45deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.05;font-weight:900;font-size:16px;letter-spacing:-.01em;white-space:nowrap}
.brand-text small{font-family:var(--num);font-size:9.5px;letter-spacing:.16em;color:var(--muted);font-weight:600}
.dock-nav{display:flex;align-items:center;gap:2px}
.dock-nav a{
  position:relative;padding:10px 12px;font-size:14.5px;color:var(--ink2);border-radius:var(--r-pill);
  transition:color .2s var(--ease),transform .2s var(--ease);white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.dock-nav a:hover{color:var(--ink);transform:translateY(1px)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.active{color:var(--ink);font-weight:700}
.dock-nav a.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--ink2);
  display:grid;place-items:center;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:var(--green);color:#fff;border-color:var(--green)}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;position:relative}
.burger span,.burger::before,.burger::after{content:"";position:absolute;left:11px;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s var(--ease),opacity .2s var(--ease)}
.burger::before{top:14px}
.burger span{top:20px}
.burger::after{top:26px}
.burger.open::before{transform:translateY(6px) rotate(45deg)}
.burger.open span{opacity:0}
.burger.open::after{transform:translateY(-6px) rotate(-45deg)}

.mobile-panel{
  position:fixed;top:84px;left:16px;right:16px;z-index:119;
  background:#fff;border:1px solid var(--line);border-radius:24px 24px 24px 24px;
  box-shadow:var(--shadow-hover);padding:14px;display:none;
}
.mobile-panel.open{display:block;animation:panelIn .24s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.mobile-panel nav a{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;
  font-size:15.5px;font-weight:600;color:var(--ink);border-radius:14px;
}
.mobile-panel nav a+a{border-top:1px solid var(--line)}
.mobile-panel nav a:hover{background:var(--bg2)}
.chev{color:var(--lime-deep);font-weight:800}
.mobile-cta{margin-top:12px;padding-top:14px;border-top:1px solid var(--line)}
.mobile-cta p{margin:10px 0 0;font-size:13px;color:var(--muted);text-align:center}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 22px -14px rgba(201,242,76,.9)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-block{width:100%}
.btn-sm{min-height:40px;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)}
.link-arrow i{width:18px;height:2px;background:var(--lime);display:inline-block;transition:transform .24s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:700;background:rgba(15,59,46,.08);color:var(--green);
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-alert{background:rgba(255,106,43,.12);color:var(--alert)}
.badge-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}

/* ===== 文章头部 ===== */
.article-hero{
  position:relative;background-color:var(--green-dark);
  background-image:linear-gradient(180deg,rgba(10,42,32,.88),rgba(10,42,32,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:148px 0 72px;color:#fff;overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 120px);
  opacity:.7;
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);flex-wrap:wrap;margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--lime)}
.crumb-current{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:900;max-width:22ch;letter-spacing:-.025em;
}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.72)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
.article-hero .badge{background:var(--lime);color:var(--ink)}
.hero-figure{
  margin-top:36px;border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(255,255,255,.14);
  aspect-ratio:16/6;background:var(--bg2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ===== 文章主体 ===== */
.article-shell{background:var(--bg);padding:64px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px clamp(20px,4vw,48px);box-shadow:var(--shadow);
}
.article-body{max-width:72ch;font-size:16px;color:var(--ink2)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px;line-height:1.85;color:var(--ink2)}
.article-body h2{
  position:relative;padding-left:18px;margin:44px 0 16px;font-size:clamp(21px,2.4vw,27px);color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;border-radius:2px;background:var(--lime);
}
.article-body h3{margin:32px 0 12px;font-size:clamp(18px,2vw,21px);color:var(--ink)}
.article-body h4{margin:24px 0 10px;font-size:17px;color:var(--ink)}
.article-body a{color:var(--green);font-weight:600;border-bottom:1px solid rgba(15,59,46,.28)}
.article-body a:hover{border-bottom-color:var(--lime)}
.article-body strong{color:var(--ink)}
.article-body ul{list-style:none;padding:0;margin:0 0 18px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:8px;line-height:1.8}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.article-body ol{padding-left:24px;margin:0 0 18px}
.article-body ol li{margin-bottom:8px;line-height:1.8;padding-left:4px}
.article-body ol li::marker{color:var(--green);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--bg2);border-left:4px solid var(--green);
  border-radius:0 var(--r-img) var(--r-img) 0;font-style:italic;color:var(--ink2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--shadow)}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left}
.article-body th{font-weight:800;color:var(--ink);background:rgba(239,235,226,.6)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}
.article-body code{background:var(--bg2);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--green)}

.empty-state{text-align:center;padding:56px 20px}
.empty-state .empty-icon{
  width:74px;height:74px;margin:0 auto 20px;border-radius:22px;background:var(--bg2);
  display:grid;place-items:center;color:var(--green);
}
.empty-state h2{font-size:22px;margin-bottom:10px;color:var(--ink)}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ===== 侧栏 ===== */
.article-side{display:flex;flex-direction:column;gap:24px;position:sticky;top:100px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow)}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;color:var(--ink)}
.toc{list-style:none;padding:0;margin:0}
.toc li{margin-bottom:4px}
.toc a{
  display:block;padding:9px 12px;border-left:3px solid transparent;border-radius:0 10px 10px 0;
  font-size:14px;color:var(--ink2);transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.toc a:hover{background:var(--bg);color:var(--ink)}
.toc a.current{border-left-color:var(--lime);background:var(--bg);color:var(--ink);font-weight:700}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.7}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-top:1px solid var(--line);padding:12px 0}
.side-list li:first-child{border-top:none;padding-top:0}
.side-list a{font-size:14px;color:var(--ink2);font-weight:600}
.side-list a:hover{color:var(--green)}
.side-list span{display:block;font-size:12.5px;color:var(--muted);font-family:var(--num);letter-spacing:.04em;margin-top:4px}

/* ===== 相关推荐 ===== */
.related{padding:88px 0 96px;background:var(--bg2)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,59,46,.24)}
.card-media{position:relative;aspect-ratio:16/10;background:var(--bg2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--green)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.card-foot .date{font-family:var(--num);letter-spacing:.06em;font-size:14px}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--green);transition:transform .24s var(--ease)}
.card:hover .card-foot .go{transform:translateX(4px)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}

/* ===== CTA 条 ===== */
.cta-band{background:var(--green);color:#fff;padding:0}
.cta-band .inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:44px 0;position:relative;
}
.cta-band .inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 96px);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);position:relative;z-index:2;max-width:26ch}
.cta-band p{margin:8px 0 0;color:rgba(255,255,255,.76);font-size:14.5px;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}

/* ===== 页脚 ===== */
footer{background:var(--green-dark);color:rgba(255,255,255,.82);padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.foot-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68);max-width:36ch}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{font-size:14px;color:rgba(255,255,255,.78)}
.foot-col ul a:hover{color:var(--lime)}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--lime)}
.foot-brand .brand-mark span{background:var(--green)}
.foot-brand .brand-text{color:#fff}
.foot-brand .brand-text small{color:rgba(255,255,255,.5)}
.foot-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.foot-bottom a{color:rgba(255,255,255,.78)}
.foot-bottom a:hover{color:var(--lime)}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 280px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .dock-nav{display:none}
  .dock-actions .btn{display:none}
  .burger{display:block}
  .dock{height:58px;padding:0 10px 0 14px}
  .article-hero{padding:118px 0 56px}
  .hero-figure{aspect-ratio:16/8}
  .section{padding:72px 0}
  .article-shell{padding:44px 0 64px}
  .related{padding:64px 0 72px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .grid-3{grid-template-columns:1fr}
  .article-panel{padding:26px 18px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .cta-band .inner{padding:36px 0}
  .cta-band .btn{width:100%}
  .article-side{flex-direction:column}
  .article-side .side-card{flex:1 1 auto;width:100%}
}
@media (max-width:520px){
  body{font-size:15px}
  .article-hero{padding:106px 0 46px}
  .hero-figure{aspect-ratio:16/11}
  .related-actions .btn{width:100%}
  .card-body h3{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --green:#0F3B2E;
  --green-deep:#0A2A20;
  --lime:#C9F24C;
  --lime-dark:#B7E23A;
  --orange:#FF6A2B;
  --paper:#F7F5F0;
  --paper2:#EFEBE2;
  --white:#FFFFFF;
  --ink:#0E1210;
  --ink2:#3C423B;
  --ink3:#7A8078;
  --line:#E4E0D6;
  --r-card:18px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(16,18,16,.04),0 12px 32px -18px rgba(16,18,16,.18);
  --sh-hover:0 2px 6px rgba(16,18,16,.06),0 24px 46px -20px rgba(16,18,16,.26);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --cond:"Barlow Condensed","Archivo","Arial Narrow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--paper);
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section.tight{padding:72px 0}
.bg-mist{background:var(--paper2)}
.bg-white{background:var(--white)}
.bg-green{background:var(--green);color:#fff}
.bg-ink{background:var(--ink);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(15,59,46,.08);color:var(--green);
}
.bg-green .eyebrow,.bg-ink .eyebrow{background:rgba(201,242,76,.16);color:var(--lime)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3.2vw,40px);margin-bottom:14px}
.sec-head p{color:var(--ink2);font-size:16px}
.bg-green .sec-head p,.bg-ink .sec-head p{color:rgba(255,255,255,.78)}
.lead{font-size:17px;color:var(--ink2);max-width:72ch}

/* ===== Dock 导航 ===== */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 48px);max-width:1120px;height:64px;
  display:flex;align-items:center;gap:12px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,18,16,.08);
  box-shadow:0 8px 30px -12px rgba(16,18,16,.22);
  z-index:120;
  transition:height .24s var(--ease),max-width .24s var(--ease),box-shadow .24s var(--ease),top .24s var(--ease);
}
.dock.scrolled{height:56px;max-width:1096px;top:12px;box-shadow:0 12px 34px -12px rgba(16,18,16,.32)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--green);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark span{width:12px;height:12px;border-radius:3px;background:var(--lime);display:block}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.1;letter-spacing:-.01em}
.brand-text small{font-size:9px;font-weight:600;letter-spacing:.16em;color:var(--ink3);margin-top:3px}
.dock-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:4px}
.dock-nav a{
  position:relative;padding:9px 12px;font-size:14px;font-weight:600;color:var(--ink2);
  border-radius:var(--r-pill);transition:color .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transition:transform .2s var(--ease);
}
.dock-nav a:hover{color:var(--ink);transform:translateY(1px)}
.dock-nav a:hover::after{transform:scaleX(1)}
.dock-nav a.active{color:var(--ink)}
.dock-nav a.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--white);display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink2);transition:border-color .2s,color .2s,transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px)}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-pill);align-items:center;justify-content:center;border:1px solid var(--line);background:var(--white)}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),top .2s var(--ease)}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger.open span{background:transparent}
.burger.open span::before{top:0;transform:rotate(45deg)}
.burger.open span::after{top:0;transform:rotate(-45deg)}

.mobile-panel{
  position:fixed;top:88px;left:16px;right:16px;z-index:110;
  background:var(--paper);border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--sh-hover);padding:12px;display:none;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:14px;font-weight:600;font-size:15px;color:var(--ink2);
}
.mobile-panel a .arw{font-weight:800;color:var(--ink3)}
.mobile-panel a.active{background:rgba(201,242,76,.4);color:var(--ink)}
.mobile-panel a.active .arw{color:var(--green)}
.mp-foot{border-top:1px solid var(--line);margin-top:10px;padding:14px 6px 4px;display:grid;gap:10px}
.mp-foot .btn{width:100%}
.mp-foot p{font-size:13px;color:var(--ink3)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;border:1.5px solid transparent;
  transition:transform .2s var(--ease),background .2s,color .2s,border-color .2s,box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-lg{height:50px;padding:0 28px;font-size:15px}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(15,59,46,.55)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ink:hover{background:var(--green);border-color:var(--green);transform:translateY(-2px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--green)}
.link-more svg{transition:transform .2s var(--ease)}
.link-more:hover svg{transform:translateX(4px)}

/* ===== Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:150px 0 76px;min-height:380px;
  background:
    linear-gradient(rgba(15,59,46,.88),rgba(10,42,32,.93)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.9) 0 1px,transparent 1px 56px);
}
.crumb{position:relative;z-index:2;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{text-decoration:underline}
.crumb span{margin:0 8px;opacity:.6}
.hero-inner{position:relative;z-index:2;max-width:860px}
.cat-hero h1{font-size:clamp(32px,4.6vw,58px);margin:18px 0 18px}
.cat-hero .sub{font-size:clamp(16px,1.6vw,19px);color:rgba(255,255,255,.84);max-width:640px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-stats{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:52px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats .num{font-family:var(--cond);font-size:34px;font-weight:700;color:var(--lime);letter-spacing:.02em;line-height:1.1}
.hero-stats .lab{font-size:13px;color:rgba(255,255,255,.72);margin-top:4px}

/* ===== 编号纵向条 ===== */
.rail{border-top:1px solid var(--line);display:grid}
.rail-item{
  display:grid;grid-template-columns:72px 1fr 200px;gap:28px;align-items:start;
  padding:28px 24px;background:var(--white);border-bottom:1px solid var(--line);
  border-left:4px solid transparent;
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.rail-item:hover{border-left-color:var(--lime);transform:translateX(4px);box-shadow:var(--sh)}
.rail-num{font-family:var(--cond);font-size:30px;font-weight:700;color:var(--green);line-height:1;letter-spacing:.02em}
.rail-body h3{font-size:20px;margin-bottom:8px}
.rail-body p{color:var(--ink2);font-size:15px;max-width:60ch}
.rail-side{font-size:14px;color:var(--ink3);display:grid;gap:6px}
.rail-side li{display:flex;gap:8px;align-items:flex-start;list-style:none}
.rail-side li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);flex:0 0 auto;margin-top:9px}

/* ===== Zigzag ===== */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:64px 0;border-bottom:1px solid var(--line)}
.zig:last-child{border-bottom:0;padding-bottom:0}
.zig:first-child{padding-top:0}
.zig-media{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;background:var(--paper2);box-shadow:var(--sh)}
.zig-media img{width:100%;height:100%;object-fit:cover}
.zig.flip .zig-media{order:2}
.zig-num{
  display:inline-block;background:var(--green);color:var(--lime);
  font-family:var(--cond);font-size:38px;font-weight:700;line-height:1;
  padding:8px 18px 10px;border-radius:14px;letter-spacing:.02em;
}
.zig h3{font-size:clamp(21px,2.2vw,26px);margin:20px 0 14px}
.zig p{color:var(--ink2);font-size:16px;max-width:60ch}
.zig ul{display:grid;gap:10px;margin-top:20px}
.zig li{list-style:none;display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink2)}
.zig li::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--lime);flex:0 0 auto;margin-top:8px}

/* ===== 对比表 ===== */
.table-wrap{overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:var(--white);box-shadow:var(--sh)}
table.cmp{width:100%;border-collapse:collapse}
table.cmp th,table.cmp td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
table.cmp thead th{background:var(--green);color:#fff;font-weight:700;font-size:14px;letter-spacing:.02em}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:var(--paper)}
table.cmp td:first-child{font-weight:700;color:var(--ink)}
table.cmp .best{background:rgba(201,242,76,.16);border-top:3px solid var(--lime)}
.badge-best{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.04em;padding:3px 9px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);margin-left:8px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--r-pill);background:rgba(15,59,46,.08);color:var(--green);
}

/* ===== 流程时间线 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,59,46,.28)}
.step .s-no{font-family:var(--cond);font-size:26px;font-weight:700;color:var(--green);letter-spacing:.04em}
.step h3{font-size:18px;margin:12px 0 8px}
.step p{font-size:14px;color:var(--ink2)}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:flex-start;gap:18px;
  font-size:16.5px;font-weight:700;color:var(--ink);
}
summary::-webkit-details-marker{display:none}
.plus{position:relative;width:18px;height:18px;flex:0 0 auto;margin-top:6px}
.plus::before,.plus::after{content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .2s var(--ease)}
.plus::before{top:8px;left:0;width:18px;height:2px}
.plus::after{left:8px;top:0;width:2px;height:18px}
details[open] .plus::after{transform:scaleY(0)}
details p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink2);max-width:64ch}

/* ===== 表单 ===== */
.form-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start}
.field{display:grid;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:700;color:rgba(255,255,255,.9)}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.94);
  padding:0 14px;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:auto;min-height:124px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 2px var(--lime);
}
.field input.err,.field textarea.err{border-color:var(--orange);box-shadow:0 0 0 2px rgba(255,106,43,.25)}
.err-msg{font-size:12px;color:#FFB79A;display:none}
.err-msg.show{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(255,255,255,.82);margin:6px 0 22px}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--lime);flex:0 0 auto}
.form-submit{width:100%}
.form-note{font-size:13px;color:rgba(255,255,255,.7);margin-top:14px}
.trust{display:grid;gap:18px}
.trust-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:22px}
.trust-card h3{font-size:17px;color:#fff;margin-bottom:10px}
.trust-card p,.trust-card li{font-size:14px;color:rgba(255,255,255,.78)}
.trust-card ul{display:grid;gap:8px}
.trust-card li{list-style:none;display:flex;gap:8px}
.trust-card li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);flex:0 0 auto;margin-top:9px}

/* ===== CTA 条 ===== */
.cta-bar{
  background:var(--green);color:#fff;border-radius:24px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;inset:0;opacity:.08;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.9) 0 1px,transparent 1px 48px);
}
.cta-bar h2{font-size:clamp(22px,2.6vw,30px);position:relative;z-index:2;max-width:640px}
.cta-bar p{position:relative;z-index:2;color:rgba(255,255,255,.8);margin-top:10px;max-width:640px}
.cta-bar .btns{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-text{color:#fff}
.foot-brand .brand-text small{color:rgba(255,255,255,.5)}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col p{font-size:14px;line-height:1.8}
.foot-col ul{display:grid;gap:10px}
.foot-col li{list-style:none;font-size:14px}
.foot-col a{transition:color .2s}
.foot-col a:hover{color:var(--lime)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}
.foot-bottom a{color:rgba(255,255,255,.78)}
.foot-bottom a:hover{color:var(--lime)}

/* ===== 进场动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation:none!important}
}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .rail-item{grid-template-columns:64px 1fr 170px;gap:22px}
}
@media (max-width:1024px){
  .section{padding:80px 0}
  .zig{gap:40px;padding:52px 0}
  .rail-item{grid-template-columns:56px 1fr;gap:18px}
  .rail-side{grid-column:2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .dock{width:calc(100% - 24px);padding:0 10px 0 14px}
  .dock-nav{display:none}
  .dock-actions .icon-btn,.dock-actions .btn-primary{display:none}
  .burger{display:inline-flex}
  .cat-hero{padding:126px 0 60px}
  .faq-grid{grid-template-columns:1fr;gap:0}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .section.tight{padding:56px 0}
  .zig{grid-template-columns:1fr;gap:24px;padding:44px 0}
  .zig.flip .zig-media{order:0}
  .zig-media{aspect-ratio:16/10}
  .hero-stats{grid-template-columns:1fr;gap:18px;text-align:left}
  .steps{grid-template-columns:1fr}
  .rail-item{padding:22px 16px}
  .table-wrap{border:0;background:transparent;box-shadow:none;border-radius:0;overflow:visible}
  table.cmp,table.cmp tbody,table.cmp tr,table.cmp td{display:block;width:100%}
  table.cmp thead{display:none}
  table.cmp tr{background:var(--white);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;padding:6px;box-shadow:var(--sh)}
  table.cmp td{border:0;padding:9px 14px;display:flex;justify-content:space-between;gap:16px;align-items:center}
  table.cmp td::before{content:attr(data-label);font-size:13px;font-weight:700;color:var(--ink3);flex:0 0 auto}
  table.cmp .best{background:rgba(201,242,76,.16);box-shadow:inset 0 3px 0 var(--lime)}
  .cta-bar{padding:32px 24px;border-radius:20px}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:auto}
  .hero-cta .btn{flex:1 1 100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:15px}
  .brand-text{font-size:14px}
  .brand-text small{display:none}
  .cat-hero{padding:112px 0 52px}
  .cat-hero h1{font-size:30px}
  .cta-bar .btns{width:100%}
  .cta-bar .btns .btn{flex:1 1 100%}
  .foot-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
  --green:#0F3B2E;
  --green-deep:#0A2A20;
  --lime:#C9F24C;
  --lime-dark:#B6DE3A;
  --warn:#FF6A2B;
  --paper:#F7F5F0;
  --paper-2:#EFEBE2;
  --white:#FFFFFF;
  --ink:#0E1210;
  --sub:#3C423B;
  --muted:#7A8078;
  --line:#E4E0D6;
  --radius-card:18px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(16,18,16,.04), 0 12px 32px -18px rgba(16,18,16,.18);
  --shadow-md:0 2px 4px rgba(16,18,16,.05), 0 20px 44px -22px rgba(16,18,16,.28);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:520px){.container{padding:0 16px;}}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 32px));
  height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(247,245,240,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,18,16,.08);
  box-shadow:0 8px 30px -12px rgba(16,18,16,.22);
  z-index:120;
  transition:height .24s var(--ease),width .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-scrolled{height:56px;width:min(1096px,calc(100% - 32px));box-shadow:0 14px 40px -14px rgba(16,18,16,.32);}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--green) 0%,var(--green-deep) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(201,242,76,.35);
}
.brand-mark span{width:12px;height:12px;border-radius:3px;background:var(--lime);display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap;}
.brand-text small{font-size:9px;font-weight:600;letter-spacing:.16em;color:var(--muted);margin-top:3px;}
.dock-nav{display:flex;align-items:center;gap:2px;}
.dock-nav a{
  position:relative;padding:9px 12px;border-radius:999px;
  font-size:14px;color:var(--sub);white-space:nowrap;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.dock-nav a:hover{color:var(--ink);transform:translateY(1px);}
.dock-nav a:hover::after{transform:scaleX(1);}
.dock-nav a.active{color:var(--ink);font-weight:700;}
.dock-nav a.active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  color:var(--sub);border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{background:rgba(16,18,16,.06);color:var(--ink);border-color:rgba(16,18,16,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;
  font-size:14px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 22px -12px rgba(201,242,76,.9);}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn-ghost{color:var(--ink);padding:0 4px;}
.btn-ghost .arrow{transition:transform .2s var(--ease);}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn-on-dark{background:transparent;border:1.5px solid rgba(247,245,240,.7);color:var(--paper);}
.btn-on-dark:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);}
.burger{
  display:none;width:44px;height:44px;border-radius:999px;align-items:center;justify-content:center;
  border:1px solid rgba(16,18,16,.1);
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:transform .24s var(--ease);}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger[aria-expanded="true"] span{transform:rotate(45deg);}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(-90deg);}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-90deg);}

.mobile-panel{
  position:fixed;top:88px;left:16px;right:16px;z-index:119;
  background:var(--paper);
  border:1px solid rgba(16,18,16,.1);
  border-radius:24px 24px 24px 24px;
  box-shadow:0 20px 50px -20px rgba(16,18,16,.4);
  padding:12px 12px 20px;
  display:none;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;padding:0 14px;border-radius:14px;font-size:15px;color:var(--sub);font-weight:600;
}
.mobile-panel a:hover{background:var(--paper-2);color:var(--ink);}
.mobile-panel a.active{color:var(--ink);background:rgba(201,242,76,.28);}
.mobile-panel a .arrow{font-weight:800;color:var(--muted);}
.mobile-panel .panel-foot{margin-top:12px;padding:14px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;}
.mobile-panel .panel-foot .meta{font-size:13px;color:var(--muted);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(247,245,240,.72);
}
.crumb a:hover{color:var(--lime);}
.crumb span.sep{opacity:.5;}
.crumb .now{color:var(--paper);font-weight:600;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  padding:132px 0 56px;
  background-color:var(--green-deep);
  background-image:
    linear-gradient(180deg,rgba(10,42,32,.88) 0%,rgba(15,59,46,.86) 55%,rgba(10,42,32,.94) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:var(--paper);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(247,245,240,.07) 0 1px,transparent 1px 120px);
  opacity:.9;
}
.page-hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:700;
  background:rgba(201,242,76,.16);
  border:1px solid rgba(201,242,76,.42);
  color:var(--lime);
  margin-bottom:18px;
}
.page-hero h1{
  color:var(--paper);
  font-size:clamp(30px,4.4vw,52px);
  font-weight:900;
  max-width:20ch;
  margin-bottom:16px;
}
.page-hero .lead{
  max-width:62ch;
  color:rgba(247,245,240,.86);
  font-size:16px;
  line-height:1.8;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:10px 28px;
  margin-top:28px;padding-top:22px;
  border-top:1px solid rgba(247,245,240,.16);
  font-size:13px;color:rgba(247,245,240,.78);
}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);flex:0 0 auto;}

/* ---------- 数据条 ---------- */
.stats-strip{padding:56px 0 8px;background:var(--paper);}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  border-top:1px solid var(--line);padding-top:32px;
}
.stat{
  padding-left:18px;border-left:3px solid var(--paper-2);
  transition:border-color .2s var(--ease);
}
.stat:hover{border-left-color:var(--lime);}
.stat .num{
  font-size:clamp(26px,3vw,36px);font-weight:900;letter-spacing:-.03em;
  color:var(--green);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat .label{font-size:14px;color:var(--sub);font-weight:600;margin-top:6px;}
.stat .desc{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- 主体：粘性索引 + 长文模块 ---------- */
.doc-section{padding:72px 0 88px;background:var(--paper);}
.doc-layout{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.side-index{position:sticky;top:108px;}
.side-index .idx-title{
  font-size:12px;letter-spacing:.1em;font-weight:800;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.side-index ul{display:flex;flex-direction:column;gap:2px;}
.side-index a{
  display:block;
  padding:10px 0 10px 14px;
  border-left:3px solid transparent;
  font-size:14px;color:var(--sub);
  transition:border-color .2s var(--ease),color .2s var(--ease),padding-left .2s var(--ease);
}
.side-index a:hover{color:var(--ink);padding-left:18px;}
.side-index a.active{border-left-color:var(--lime);color:var(--ink);font-weight:700;}
.side-index .idx-foot{
  margin-top:22px;padding:16px;border-radius:14px;background:var(--paper-2);
  font-size:13px;color:var(--sub);line-height:1.7;
}
.side-index .idx-foot strong{display:block;color:var(--ink);font-size:14px;margin-bottom:6px;}

.doc-head{margin-bottom:8px;}
.doc-head h2{font-size:clamp(24px,3vw,34px);max-width:24ch;}
.doc-head p{color:var(--sub);max-width:72ch;margin-top:14px;}

.mod{
  padding:40px 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top:110px;
}
.mod:first-of-type{padding-top:32px;}
.mod .mod-kicker{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;
  color:var(--green);background:rgba(201,242,76,.28);
  padding:4px 10px;border-radius:999px;margin-bottom:14px;
}
.mod h3{font-size:clamp(19px,2vw,23px);margin-bottom:14px;}
.mod p{color:var(--sub);max-width:72ch;}
.mod .inline-link{
  color:var(--green);font-weight:700;
  border-bottom:1.5px solid rgba(15,59,46,.28);
}
.mod .inline-link:hover{border-bottom-color:var(--lime);background:rgba(201,242,76,.22);}
.mod-notes{
  margin-top:18px;display:grid;gap:10px;
}
.mod-notes li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--sub);
}
.mod-notes li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:2px;background:var(--lime);border-radius:2px;
}
.mod-figure{
  margin-top:22px;border-radius:var(--radius-img);overflow:hidden;
  background:var(--paper-2);
}
.mod-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.mod-figure:hover img{transform:scale(1.03);}
.mod-cap{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}

/* ---------- 核对流程（编号纵向条） ---------- */
.flow-section{padding:88px 0;background:var(--paper-2);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3.2vw,40px);max-width:22ch;}
.section-head p{color:var(--sub);max-width:56ch;margin-top:12px;}
.flow-list{display:grid;gap:0;}
.flow-item{
  position:relative;
  display:grid;grid-template-columns:96px minmax(0,1fr) 220px;
  gap:24px;align-items:start;
  padding:30px 0 30px 24px;
  border-top:1px solid var(--line);
  border-left:4px solid transparent;
  transition:border-color .24s var(--ease),transform .24s var(--ease),background-color .24s var(--ease);
}
.flow-item:last-child{border-bottom:1px solid var(--line);}
.flow-item:hover{border-left-color:var(--lime);transform:translateX(4px);background:rgba(255,255,255,.62);}
.flow-item .idx{
  font-size:clamp(30px,4vw,44px);font-weight:900;line-height:1;
  color:var(--green);letter-spacing:-.04em;font-variant-numeric:tabular-nums;
}
.flow-item:hover .idx{color:var(--green-deep);}
.flow-item h3{font-size:19px;margin-bottom:10px;}
.flow-item p{color:var(--sub);font-size:15px;}
.flow-item .cond{
  font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:18px;
}
.flow-item .cond strong{display:block;font-size:14px;color:var(--ink);margin-bottom:6px;}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0;background:var(--paper);}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px;}
details.faq{
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
details.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:700;color:var(--ink);
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:4px;
  transition:transform .2s var(--ease);
}
details.faq summary .plus::before,
details.faq summary .plus::after{
  content:"";position:absolute;background:var(--green);border-radius:2px;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
details.faq summary .plus::before{left:0;top:10px;width:22px;height:2px;}
details.faq summary .plus::after{left:10px;top:0;width:2px;height:22px;}
details.faq[open] summary .plus{transform:rotate(90deg);}
details.faq[open] summary .plus::after{opacity:0;}
details.faq .ans{padding-top:12px;font-size:15px;line-height:1.8;color:var(--sub);max-width:66ch;}
details.faq summary:hover{color:var(--green);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--green);
  color:var(--paper);
  padding:64px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(0deg,rgba(247,245,240,.06) 0 1px,transparent 1px 44px),
    repeating-linear-gradient(90deg,rgba(247,245,240,.06) 0 1px,transparent 1px 44px);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{color:var(--paper);font-size:clamp(24px,3vw,34px);max-width:24ch;}
.cta-inner p{color:rgba(247,245,240,.82);margin-top:12px;max-width:60ch;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
footer{
  background:var(--green-deep);
  color:rgba(247,245,240,.76);
  padding:72px 0 28px;
  font-size:14px;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(247,245,240,.14);
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-text{color:var(--paper);}
.foot-brand .brand-text small{color:rgba(247,245,240,.5);}
.foot-col h4{font-size:15px;color:var(--paper);margin-bottom:16px;letter-spacing:0;}
.foot-col p{line-height:1.8;font-size:13.5px;color:rgba(247,245,240,.68);}
.foot-col ul{display:grid;gap:10px;}
.foot-col ul a{color:rgba(247,245,240,.78);font-size:14px;}
.foot-col ul a:hover{color:var(--lime);}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:rgba(247,245,240,.56);
}
.foot-bottom a{color:rgba(247,245,240,.72);}
.foot-bottom a:hover{color:var(--lime);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .doc-layout{grid-template-columns:1fr;gap:0;}
  .side-index{
    position:sticky;top:78px;z-index:60;
    background:rgba(247,245,240,.94);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
    padding:12px 0;
    margin-bottom:8px;
  }
  .side-index .idx-title{display:none;}
  .side-index ul{
    flex-direction:row;gap:8px;overflow-x:auto;
    scrollbar-width:none;-ms-overflow-style:none;
    padding:0 2px;
  }
  .side-index ul::-webkit-scrollbar{display:none;}
  .side-index a{
    flex:0 0 auto;padding:8px 14px;border-radius:999px;
    border-left:0;border:1px solid var(--line);font-size:13px;white-space:nowrap;
  }
  .side-index a:hover{padding-left:14px;}
  .side-index a.active{background:var(--lime);border-color:var(--lime);color:var(--ink);}
  .side-index .idx-foot{display:none;}
  .flow-item{grid-template-columns:72px minmax(0,1fr);}
  .flow-item .cond{grid-column:2;border-left:0;padding-left:0;margin-top:14px;border-top:1px dashed var(--line);padding-top:12px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .dock-nav{display:none;}
  .dock-actions .btn-primary{display:none;}
  .burger{display:flex;}
  .dock{height:56px;padding:0 10px 0 16px;}
  .page-hero{padding:110px 0 48px;min-height:0;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .doc-section{padding:56px 0 72px;}
  .flow-section,.faq-section{padding:64px 0;}
  .faq-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .hero-actions .btn{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .brand-text{font-size:13.5px;}
  .brand-text small{display:none;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .stats-grid{grid-template-columns:1fr;}
  .flow-item{grid-template-columns:56px minmax(0,1fr);gap:16px;padding-left:14px;}
  .flow-item .idx{font-size:28px;}
  .mod{padding:32px 0;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --green:#0F3B2E;
  --green-deep:#0A2A20;
  --lime:#C9F24C;
  --lime-dark:#B7DE3C;
  --alert:#FF6A2B;
  --paper:#F7F5F0;
  --paper-2:#EFEBE2;
  --white:#FFFFFF;
  --ink:#0E1210;
  --ink-2:#3C423B;
  --ink-3:#7A8078;
  --line:#E4E0D6;
  --r-card:18px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,18,16,.04), 0 12px 32px -18px rgba(16,18,16,.18);
  --sh-2:0 2px 4px rgba(16,18,16,.06), 0 22px 46px -20px rgba(16,18,16,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:520px){.container{padding:0 16px;}}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:14px;left:50%;transform:translateX(-50%);
  z-index:120;
  width:calc(100% - 40px);max-width:1120px;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(247,245,240,.86);
  border:1px solid rgba(16,18,16,.08);
  box-shadow:0 8px 30px -12px rgba(16,18,16,.22);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height .24s var(--ease),max-width .24s var(--ease),box-shadow .24s var(--ease),top .24s var(--ease);
}
.dock.scrolled{top:8px;height:56px;max-width:1096px;box-shadow:0 14px 38px -14px rgba(16,18,16,.34);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(150deg,var(--green),var(--green-deep));
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark span{width:12px;height:12px;border-radius:3px;background:var(--lime);display:block;transform:rotate(45deg);}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap;}
.brand-text small{font-size:9px;letter-spacing:.16em;color:var(--ink-3);font-weight:600;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:9px 12px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);font-weight:500;white-space:nowrap;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.dock-nav a:hover{color:var(--ink);transform:translateY(1px);}
.dock-nav a:hover::after{opacity:.6;transform:scaleX(1);}
.dock-nav a.active{color:var(--ink);font-weight:700;}
.dock-nav a.active::after{opacity:1;transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid rgba(16,18,16,.1);background:rgba(255,255,255,.6);
  display:grid;place-items:center;cursor:pointer;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{background:var(--white);color:var(--ink);transform:translateY(-1px);}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid rgba(16,18,16,.1);
  background:rgba(255,255,255,.7);cursor:pointer;position:relative;
}
.burger span,
.burger span::before,
.burger span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{top:-6px;left:0;transform:none;}
.burger span::after{top:6px;left:0;transform:none;}
.burger.open span{background:transparent;}
.burger.open span::before{transform:rotate(45deg);top:0;}
.burger.open span::after{transform:rotate(-45deg);top:0;}

.mobile-panel{
  position:fixed;top:86px;left:16px;right:16px;z-index:119;
  background:rgba(247,245,240,.98);
  border:1px solid rgba(16,18,16,.08);
  border-radius:24px;
  box-shadow:0 26px 50px -22px rgba(16,18,16,.4);
  padding:12px;
  display:none;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:14px;font-size:15px;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.mobile-panel a::after{content:"›";font-weight:900;color:var(--ink-3);}
.mobile-panel a.active{background:var(--paper-2);color:var(--ink);font-weight:700;}
.mobile-panel a:hover{background:var(--paper-2);color:var(--ink);}
.mobile-foot{margin-top:10px;padding:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);}
.mobile-foot .btn{width:100%;margin-bottom:10px;}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(201,242,76,.9);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#232824;transform:translateY(-2px);}
.btn-outline{border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--green);transform:translateY(-2px);}
.ghost-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--green);}
.ghost-link .arw{transition:transform .2s var(--ease);}
.ghost-link:hover .arw{transform:translateX(4px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:700;
  background:rgba(15,59,46,.08);color:var(--green);
}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-alert{background:rgba(255,106,43,.12);color:#C4491A;}
.badge-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  position:relative;
  padding:150px 0 82px;
  background:
    linear-gradient(rgba(10,42,32,.84),rgba(10,42,32,.9)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat,
    var(--green-deep);
  color:#fff;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 96px);
  opacity:.9;
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{font-size:13px;color:rgba(255,255,255,.6);display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.cat-hero h1{
  margin:22px 0 18px;
  font-size:clamp(34px,5vw,58px);
  font-weight:900;letter-spacing:-.02em;max-width:18ch;
}
.cat-hero .lead{max-width:60ch;color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:52px;background:rgba(255,255,255,.16);border-radius:var(--r-card);overflow:hidden;
}
.hero-stats div{background:rgba(10,42,32,.55);padding:18px 20px;}
.hero-stats b{display:block;font-size:26px;font-weight:800;color:var(--lime);letter-spacing:0;}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 通用板块 ---------- */
section{position:relative;}
.sec{padding:96px 0;}
.sec-tight{padding:72px 0;}
.sec-alt{background:var(--paper-2);}
.sec-white{background:var(--white);}
.sec-dark{background:var(--ink);color:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.sec-head h2{font-size:clamp(26px,3.2vw,40px);font-weight:900;}
.sec-head .sub{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:62ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--green);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}

/* ---------- 筛选胶囊 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);color:var(--ink-2);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{background:rgba(201,242,76,.28);border-color:rgba(15,59,46,.24);color:var(--ink);transform:translateY(-1px);}
.chip.active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:800;}

/* ---------- 内容网格 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
@media (min-width:1280px){.case-grid{grid-template-columns:repeat(3,1fr);}}
.case-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,59,46,.32);}
.thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.case-card:hover .thumb img{transform:scale(1.04);}
.thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,42,32,.72),rgba(10,42,32,0) 58%);
  opacity:0;transition:opacity .3s var(--ease);
}
.case-card:hover .thumb::after{opacity:1;}
.thumb-tag{position:absolute;top:14px;left:14px;z-index:2;}
.thumb-cta{
  position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:13px;font-weight:700;
  opacity:0;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.case-card:hover .thumb-cta{opacity:1;transform:translateY(0);}
.case-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.case-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.case-body h3 a{background-image:linear-gradient(var(--ink),var(--ink));background-size:0 1px;background-position:0 100%;background-repeat:no-repeat;transition:background-size .3s var(--ease);}
.case-card:hover .case-body h3 a{background-size:100% 1px;}
.case-body p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.case-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}
.case-meta .date{font-variant-numeric:tabular-nums;letter-spacing:.02em;font-weight:700;color:var(--ink-2);}
.case-meta .go{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--green);}
.case-meta .go span{transition:transform .25s var(--ease);}
.case-card:hover .case-meta .go span{transform:translateX(4px);}

/* ---------- 时间线 ---------- */
.timeline{display:grid;gap:0;border-top:1px solid var(--line);}
.tl-item{
  display:grid;grid-template-columns:96px 1fr 220px;gap:24px;align-items:start;
  padding:28px 8px;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),padding-left .24s var(--ease);
}
.tl-item:hover{background:rgba(255,255,255,.7);padding-left:16px;}
.tl-num{font-size:34px;font-weight:900;color:var(--green);letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;}
.tl-num small{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ink-3);margin-top:6px;}
.tl-main h3{font-size:19px;margin-bottom:8px;}
.tl-main p{font-size:15px;color:var(--ink-2);max-width:64ch;}
.tl-side{font-size:13px;color:var(--ink-3);text-align:right;}
.tl-side b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px;}

/* ---------- 主题入口矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.mx{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;display:flex;flex-direction:column;gap:10px;min-height:150px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.mx:hover{transform:translateY(-4px);border-color:rgba(15,59,46,.32);box-shadow:var(--sh-1);}
.mx .ic{
  width:38px;height:38px;border-radius:12px;background:var(--green);color:var(--lime);
  display:grid;place-items:center;font-weight:900;font-size:14px;letter-spacing:-.02em;
}
.mx h3{font-size:16px;}
.mx p{font-size:13px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 36px 22px 0;position:relative;
  font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--green);transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item .ans{padding:0 36px 22px 0;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--green) 0%,var(--green-deep) 100%);
  color:#fff;padding:56px 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 72px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);font-weight:900;}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.8);max-width:60ch;font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 表单 ---------- */
.form-sec{background:var(--green);color:#fff;}
.form-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:8px;color:rgba(255,255,255,.88);}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(228,224,214,.55);background:rgba(255,255,255,.94);color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 2px var(--lime);
}
.field .err{display:none;margin-top:6px;font-size:12px;color:var(--alert);}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--alert);}
.field.invalid .err{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.84);margin:6px 0 20px;}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--lime);}
.form-card .btn{width:100%;}
.trust h3{font-size:18px;margin-bottom:16px;}
.trust-list{display:grid;gap:14px;margin-bottom:24px;}
.trust-list li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.84);}
.trust-list li b{color:var(--lime);font-weight:800;flex:0 0 auto;}
.trust-note{font-size:13px;color:rgba(255,255,255,.65);border-top:1px solid rgba(255,255,255,.18);padding-top:16px;}

/* ---------- 页脚 ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.78);padding:72px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-text{color:#fff;}
.foot-brand .brand-text small{color:rgba(255,255,255,.5);}
.foot-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.foot-col h4{font-size:14px;letter-spacing:.06em;color:#fff;margin-bottom:16px;font-weight:800;}
.foot-col ul{display:grid;gap:10px;}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.foot-col a:hover{color:var(--lime);padding-left:4px;}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom a{color:rgba(255,255,255,.72);}
.foot-bottom a:hover{color:var(--lime);}

/* ---------- 状态 / 骨架 ---------- */
.skeleton{
  position:relative;overflow:hidden;background:var(--paper-2);border-radius:var(--r-img);
}
.skeleton::after{
  content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(201,242,76,.28),transparent);
  animation:sweep 1.6s infinite;
}
@keyframes sweep{to{transform:translateX(100%);}}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dock-nav{display:none;}
  .burger{display:block;}
  .dock{justify-content:space-between;padding-right:10px;}
  .dock-actions .btn-primary{display:none;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .tl-item{grid-template-columns:72px 1fr;}
  .tl-side{grid-column:2;text-align:left;}
}
@media (max-width:900px){
  .cat-hero{padding:126px 0 64px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .sec{padding:72px 0;}
  .sec-tight{padding:56px 0;}
}
@media (max-width:768px){
  .dock{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(247,245,240,.97);}
  .case-grid{grid-template-columns:1fr;}
  .matrix{grid-template-columns:1fr 1fr;}
  .mobile-panel{top:82px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .brand-text{font-size:14px;}
  .case-grid{gap:18px;}
  .matrix{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:1fr;gap:12px;}
  .tl-num{font-size:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}