/* roulang page: index */
:root{
  --brand:#00B36B;
  --brand-dark:#008F55;
  --brand-light:#00E5A0;
  --cyan:#00D9C0;
  --amber:#FFB020;
  --ink:#0B1512;
  --ink-2:#5B6B63;
  --ink-3:#8A9A92;
  --bg:#F6FBF8;
  --white:#ffffff;
  --dark:#06110C;
  --dark-2:#0B1A12;
  --line:rgba(11,21,18,.09);
  --line-dark:rgba(255,255,255,.10);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 6px 20px rgba(0,179,107,.10);
  --sh-2:0 18px 44px rgba(0,179,107,.18);
  --sh-3:0 24px 60px rgba(6,17,12,.16);
  --grad:linear-gradient(135deg,#00B36B 0%,#00D9C0 100%);
  --grad-soft:linear-gradient(135deg,rgba(0,179,107,.14) 0%,rgba(0,217,192,.10) 100%);
  --maxw:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease}
ul,ol{list-style:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ---------- 导航 Dock ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:90;padding:18px 20px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:12px 16px 12px 20px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:999px;
  box-shadow:0 10px 34px rgba(6,17,12,.12);
  transition:box-shadow .28s ease,background .28s ease;
}
.dock.scrolled{background:rgba(255,255,255,.96);box-shadow:0 14px 40px rgba(6,17,12,.18)}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-mark{
  width:38px;height:38px;border-radius:13px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:-.5px;
  box-shadow:0 6px 16px rgba(0,179,107,.35);
}
.dock-name{font-size:17px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;color:var(--ink)}
.dock-name em{font-style:normal;color:var(--brand-dark)}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.dock-nav a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.dock-nav a:hover{background:rgba(0,179,107,.09);color:var(--brand-dark)}
.dock-nav a.active{color:var(--brand-dark);font-weight:700;background:rgba(0,179,107,.12)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-cta{
  flex-shrink:0;
  padding:10px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 8px 20px rgba(0,179,107,.32);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.dock-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(0,179,107,.42)}
.dock-cta:active{transform:translateY(0)}
.dock-toggle{display:none;width:42px;height:42px;border-radius:14px;align-items:center;justify-content:center;background:rgba(0,179,107,.10)}
.dock-toggle span{display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;position:relative}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-dark);border-radius:2px}
.dock-toggle span::before{top:-6px}
.dock-toggle span::after{top:6px}
.drawer{
  pointer-events:auto;
  max-width:1180px;margin:10px auto 0;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(18px);
  border-radius:26px;
  box-shadow:0 18px 46px rgba(6,17,12,.18);
  padding:16px;
  display:none;
  border:1px solid rgba(255,255,255,.7);
}
.drawer.open{display:block}
.drawer a{display:block;padding:13px 16px;border-radius:16px;font-size:15.5px;font-weight:600;color:var(--ink-2)}
.drawer a.active,.drawer a:hover{background:rgba(0,179,107,.10);color:var(--brand-dark)}
.drawer .drawer-cta{margin-top:8px;text-align:center;background:var(--grad);color:#fff;font-weight:700}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:82vh;
  display:flex;align-items:center;
  padding:160px 0 90px;
  overflow:hidden;
  background:var(--dark);
}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,17,12,.92) 0%,rgba(6,17,12,.68) 42%,rgba(6,17,12,.94) 100%),
    linear-gradient(135deg,rgba(0,179,107,.42) 0%,rgba(0,217,192,.20) 55%,rgba(6,17,12,.30) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  color:#B8F5D9;font-size:13.5px;font-weight:600;letter-spacing:.4px;
  backdrop-filter:blur(8px);
  margin-bottom:26px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--brand-light);display:inline-block;box-shadow:0 0 0 4px rgba(0,229,160,.20)}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.6px;
  color:#fff;
  margin-bottom:22px;
}
.hero h1 span{
  background:linear-gradient(135deg,#00E5A0 0%,#00D9C0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(15.5px,1.4vw,18px);
  line-height:1.85;
  color:rgba(255,255,255,.80);
  max-width:720px;
  margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:999px;
  font-size:15.5px;font-weight:700;letter-spacing:.2px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
  cursor:pointer;border:1.5px solid transparent;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(0,179,107,.40)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 18px 40px rgba(0,179,107,.50)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.38);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(0,229,160,.16);border-color:var(--brand-light);transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--brand-dark);border-color:var(--brand)}
.btn-line:hover{background:rgba(0,179,107,.10);transform:translateY(-2px)}
.btn:focus-visible{box-shadow:0 0 0 4px rgba(0,217,192,.45)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat{
  min-width:150px;
  padding:16px 22px;border-radius:20px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);
}
.stat b{display:block;font-size:22px;font-weight:800;color:#fff;line-height:1.2;letter-spacing:-.3px}
.stat b em{font-style:normal;font-size:14px;color:var(--brand-light);margin-left:2px}
.stat span{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.dark{background:var(--dark-2);color:#fff}
.section-head{margin-bottom:44px;max-width:760px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-dark);text-transform:uppercase;
  margin-bottom:14px;
}
.section.dark .eyebrow{color:var(--brand-light)}
.section-head h2{
  font-size:clamp(24px,2.7vw,36px);
  font-weight:800;line-height:1.28;letter-spacing:-.4px;
  margin-bottom:14px;
}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.85}
.section.dark .section-head p{color:rgba(255,255,255,.68)}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:14px;width:70px;z-index:3;pointer-events:none;
}
.rail-wrap::before{left:-24px;background:linear-gradient(90deg,var(--bg) 0%,rgba(246,251,248,0) 100%)}
.rail-wrap::after{right:-24px;background:linear-gradient(270deg,var(--bg) 0%,rgba(246,251,248,0) 100%)}
.rail{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  scrollbar-width:thin;
  scrollbar-color:rgba(0,179,107,.35) transparent;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(0,179,107,.35);border-radius:99px}
.rail::-webkit-scrollbar-track{background:transparent}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:#fff;border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.rail-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.rail-thumb{position:relative;height:170px;overflow:hidden}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rail-card:hover .rail-thumb img{transform:scale(1.05)}
.rail-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,12,0) 40%,rgba(6,17,12,.55) 100%)}
.rail-body{padding:18px 20px 22px}
.rail-body h3{font-size:16.5px;font-weight:700;line-height:1.45;margin-bottom:8px}
.rail-body p{font-size:13.8px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12.8px;color:var(--ink-3)}

/* ---------- 徽章 / 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(0,179,107,.12);
  color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.2px;
  white-space:nowrap;
}
.chip.amber{background:rgba(255,176,32,.16);color:#9A6600}
.chip.cyan{background:rgba(0,217,192,.16);color:#007A6E}
.badge-float{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(6,17,12,.72);color:#fff;
  font-size:12px;font-weight:700;backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.18);
}

/* ---------- 混合网格 ---------- */
.mix-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:22px}
.mix-main,.mix-side-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease;
}
.mix-main{grid-row:span 2;display:flex;flex-direction:column}
.mix-side{display:flex;flex-direction:column;gap:22px}
.mix-main:hover,.mix-side-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.mix-thumb{position:relative;overflow:hidden}
.mix-main .mix-thumb{height:320px}
.mix-side-card .mix-thumb{height:150px}
.mix-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mix-main:hover .mix-thumb img,.mix-side-card:hover .mix-thumb img{transform:scale(1.04)}
.mix-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,12,0) 45%,rgba(6,17,12,.42) 100%)}
.mix-body{padding:24px 26px 28px}
.mix-main .mix-body h3{font-size:22px;font-weight:800;line-height:1.35;margin:12px 0 10px;letter-spacing:-.3px}
.mix-side-card .mix-body{padding:18px 22px 22px}
.mix-side-card .mix-body h3{font-size:16.5px;font-weight:700;line-height:1.45;margin:10px 0 8px}
.mix-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.mix-side-card .mix-body p{font-size:13.6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mix-meta{display:flex;align-items:center;gap:12px;font-size:12.8px;color:var(--ink-3);margin-top:16px}

/* ---------- 分类卡片墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.wall-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:280px;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--sh-3);
  transition:transform .3s ease,box-shadow .3s ease;
}
.wall-card:nth-child(2){min-height:330px}
.wall-card:nth-child(4){min-height:310px}
.wall-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .55s ease}
.wall-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(6,17,12,.10) 20%,rgba(6,17,12,.86) 100%),
             linear-gradient(135deg,rgba(0,179,107,.30) 0%,rgba(0,217,192,.06) 60%);
}
.wall-card:hover{transform:translateY(-8px);box-shadow:0 30px 64px rgba(6,17,12,.30)}
.wall-card:hover img{transform:scale(1.06)}
.wall-body{position:relative;z-index:2;padding:26px 24px 28px}
.wall-body .chip{background:rgba(255,255,255,.16);color:#C9FBE4;backdrop-filter:blur(6px)}
.wall-body h3{font-size:19px;font-weight:800;color:#fff;line-height:1.4;margin:12px 0 8px;letter-spacing:-.2px}
.wall-body p{font-size:13.6px;color:rgba(255,255,255,.76);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wall-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--brand-light)}
.wall-card:hover .wall-link{color:#fff}

/* ---------- 准备清单 + 环境 ---------- */
.prep{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.check-list{display:flex;flex-direction:column;gap:14px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);
  box-shadow:0 4px 16px rgba(11,21,18,.04);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateX(4px);border-color:rgba(0,179,107,.32);box-shadow:var(--sh-1)}
.check-num{
  flex:0 0 40px;height:40px;border-radius:13px;
  background:var(--grad-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
}
.check-item h4{font-size:16px;font-weight:700;margin-bottom:5px}
.check-item p{font-size:14px;color:var(--ink-2);line-height:1.72}
.env-panel{
  background:var(--dark-2);border-radius:var(--r-xl);
  padding:32px 30px;color:#fff;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-3);
}
.env-panel h3{font-size:19px;font-weight:800;margin-bottom:8px}
.env-panel > p{font-size:14px;color:rgba(255,255,255,.64);line-height:1.8;margin-bottom:24px}
.env-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.env-item{
  padding:16px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  transition:background .22s ease,border-color .22s ease;
}
.env-item:hover{background:rgba(0,179,107,.14);border-color:rgba(0,229,160,.35)}
.env-item b{display:block;font-size:14.5px;font-weight:700;margin-bottom:4px}
.env-item span{font-size:12.6px;color:rgba(255,255,255,.58)}
.env-note{
  margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13.4px;color:rgba(255,255,255,.62);line-height:1.8;
}

/* ---------- 最新信息 ---------- */
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.news-card{background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:0 4px 16px rgba(11,21,18,.04);overflow:hidden;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(0,179,107,.26)}
.news-link{display:flex;gap:18px;padding:18px;height:100%}
.news-thumb{flex:0 0 128px;height:112px;border-radius:var(--r-md);overflow:hidden;background:var(--grad-soft)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.4px;color:var(--ink-3);margin-bottom:9px;flex-wrap:wrap}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13.6px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-more{display:inline-flex;align-items:center;gap:5px;margin-top:12px;font-size:13px;font-weight:700;color:var(--brand-dark)}
.empty-state{
  grid-column:1/-1;
  padding:52px 28px;border-radius:var(--r-lg);
  background:#fff;border:1px dashed rgba(0,179,107,.35);
  text-align:center;
}
.empty-state .empty-icon{
  width:58px;height:58px;margin:0 auto 16px;border-radius:20px;
  background:var(--grad-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease}
.faq-item:hover{border-color:rgba(0,179,107,.3)}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(0,179,107,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;
  font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-icon{
  flex:0 0 30px;height:30px;border-radius:10px;
  background:var(--grad-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.open .faq-icon{background:var(--grad);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a-inner{padding:0 26px 24px;font-size:14.8px;color:var(--ink-2);line-height:1.86}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:32px;
  padding:64px 48px;
  background:var(--dark);
  color:#fff;
  box-shadow:var(--sh-3);
}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.30;z-index:0}
.cta-band::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(135deg,rgba(0,179,107,.86) 0%,rgba(0,217,192,.52) 48%,rgba(6,17,12,.90) 100%);
}
.cta-inner{position:relative;z-index:2;max-width:720px}
.cta-inner h2{font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.28;margin-bottom:16px;letter-spacing:-.4px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.88);line-height:1.85;margin-bottom:30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.08)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--dark);
  color:rgba(255,255,255,.62);
  padding:0 0 40px;
  margin-top:0;
}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;padding:64px 0 46px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .dock-mark{width:36px;height:36px;border-radius:12px;font-size:16px}
.footer-brand strong{font-size:17.5px;font-weight:800;color:#fff;letter-spacing:-.2px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.56);max-width:340px}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.60);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--brand-light);padding-left:4px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.60);line-height:1.8}
.footer-contact li b{color:#fff;font-weight:600;display:block;font-size:13.4px;margin-bottom:2px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:26px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13.2px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.60)}
.footer-bottom a:hover{color:var(--brand-light)}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .dock{max-width:100%}
  .wall{grid-template-columns:repeat(2,1fr)}
  .news-list{grid-template-columns:1fr}
}
@media (max-width:1024px){
  .dock-nav a{padding:8px 10px;font-size:13.6px}
  .dock{padding:10px 12px 10px 16px;gap:12px}
  .dock-name{font-size:15.5px}
  .mix-grid{grid-template-columns:1fr}
  .mix-main{grid-row:auto}
  .mix-main .mix-thumb{height:260px}
  .prep{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 38px}
  .section{padding:76px 0}
}
@media (max-width:768px){
  .dock-nav{display:none}
  .dock-cta{display:none}
  .dock-toggle{display:flex;margin-left:auto}
  .site-header{padding:12px 14px 0}
  .hero{min-height:auto;padding:130px 0 68px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats{gap:10px}
  .stat{flex:1 1 calc(50% - 5px);min-width:0;padding:14px 16px}
  .stat b{font-size:19px}
  .section{padding:60px 0}
  .section.tight{padding:48px 0}
  .wall{grid-template-columns:1fr}
  .wall-card,.wall-card:nth-child(2),.wall-card:nth-child(4){min-height:230px}
  .rail-card{flex:0 0 260px}
  .news-link{flex-direction:column;gap:14px}
  .news-thumb{flex:none;width:100%;height:160px}
  .cta-band{padding:44px 26px;border-radius:26px}
  .env-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .faq-q{font-size:15.4px;padding:18px 20px}
  .faq-a-inner{padding:0 20px 20px;font-size:14.2px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:26px;letter-spacing:-.3px}
  .hero-sub{font-size:14.6px}
  .btn{padding:14px 22px;font-size:14.6px;width:100%}
  .cta-actions .btn,.hero-actions .btn{width:100%}
  .stat{flex:1 1 100%}
  .mix-body{padding:18px 18px 22px}
  .mix-main .mix-body h3{font-size:18.5px}
  .check-item{padding:16px 16px;gap:12px}
  .check-num{flex:0 0 34px;height:34px;font-size:14px}
  .env-panel{padding:24px 20px}
}

/* roulang page: article */
:root{
  --brand:#00B36B;
  --brand-dark:#008F55;
  --brand-light:#00E5A0;
  --cyan:#00D9C0;
  --amber:#FFB020;
  --ink:#0B1512;
  --ink-2:#5B6B63;
  --ink-3:#8A9A92;
  --bg:#F6FBF8;
  --paper:#FFFFFF;
  --dark:#06110C;
  --dark-2:#0B1A12;
  --line:rgba(11,21,18,.09);
  --line-dark:rgba(255,255,255,.10);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:16px;
  --shadow-sm:0 6px 18px rgba(11,21,18,.06);
  --shadow:0 14px 36px rgba(0,179,107,.14);
  --shadow-lg:0 26px 60px rgba(6,17,12,.20);
  --grad:linear-gradient(135deg,#00B36B 0%,#00E5A0 58%,#00D9C0 100%);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:
    radial-gradient(1100px 460px at 82% -12%,rgba(0,229,160,.16),transparent 62%),
    radial-gradient(900px 420px at 4% 6%,rgba(0,217,192,.12),transparent 60%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:10px;}

.container{width:min(100% - 40px,var(--container));margin-inline:auto;}

/* ---------- Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 6px;}
.dock{
  position:relative;
  width:min(100% - 32px,var(--container));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 16px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 10px 34px rgba(6,17,12,.10);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px rgba(0,179,107,.32);
}
.dock-name{font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--ink-2);transition:.22s;white-space:nowrap;
}
.dock-nav a:hover{background:rgba(0,179,107,.10);color:var(--brand-dark);}
.dock-nav a.active{background:rgba(0,179,107,.14);color:var(--brand-dark);}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.dock-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 10px 24px rgba(0,179,107,.30);
  transition:transform .22s,box-shadow .22s,filter .22s;
}
.dock-cta:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 30px rgba(0,179,107,.36);}
.dock-toggle{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);align-items:center;justify-content:center;}
.dock-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;}
.dock-toggle span::before{top:-5px;}
.dock-toggle span::after{top:5px;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  margin-top:22px;padding:54px 46px 48px;
  border-radius:var(--radius-xl);
  color:#fff;
  background-image:
    linear-gradient(135deg,rgba(6,17,12,.90),rgba(6,17,12,.62) 46%,rgba(0,179,107,.42)),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-lg);
}
.article-hero::after{
  content:"";position:absolute;inset:auto -60px -120px auto;width:340px;height:340px;
  background:radial-gradient(circle,rgba(0,229,160,.34),transparent 66%);pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.74);}
.breadcrumb a{color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.26);}
.breadcrumb a:hover{color:#fff;border-color:var(--brand-light);}
.breadcrumb .sep{opacity:.5;}
.article-hero h1{
  margin-top:18px;
  font-size:clamp(26px,3.4vw,42px);
  font-weight:800;
  letter-spacing:-.02em;
  max-width:860px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid var(--line-dark);color:#fff;
}
.tag.solid{background:var(--grad);border-color:transparent;box-shadow:0 8px 20px rgba(0,179,107,.32);}
.tag.amber{background:rgba(255,176,32,.20);border-color:rgba(255,176,32,.42);color:#FFD98A;}
.hero-summary{margin-top:20px;max-width:780px;color:rgba(255,255,255,.80);font-size:16px;line-height:1.85;}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:64px 0 20px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:38px;align-items:start;}
.article-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:40px 44px 44px;
  box-shadow:var(--shadow-sm);
}
.article-body{max-width:800px;font-size:16.5px;line-height:1.9;color:#16241F;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:24px;margin:2em 0 .8em;padding-left:16px;position:relative;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;margin:1.7em 0 .7em;color:var(--brand-dark);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:.6em;line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--grad);
}
.article-body ol{counter-reset:li;}
.article-body ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.42em;width:19px;height:19px;border-radius:6px;
  background:rgba(0,179,107,.14);color:var(--brand-dark);
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,rgba(0,179,107,.09),rgba(0,217,192,.06));
  border-left:4px solid var(--brand);color:#1D3A2E;font-size:16px;
}
.article-body img{border-radius:18px;margin:1.4em 0;box-shadow:var(--shadow-sm);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.5px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(0,179,107,.4);}
.article-body a:hover{color:var(--brand);}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;border-radius:16px;overflow:hidden;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(0,179,107,.08);font-weight:700;}
.article-body strong{color:var(--brand-dark);}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:52px 28px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(0,179,107,.07),rgba(0,217,192,.05));
  border:1px dashed rgba(0,179,107,.35);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:26px;font-weight:800;
  box-shadow:0 14px 30px rgba(0,179,107,.30);
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);max-width:520px;margin:0 auto 22px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  transition:transform .22s,box-shadow .22s,filter .22s,background .22s,color .22s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(0,179,107,.30);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 34px rgba(0,179,107,.36);}
.btn-ghost{background:transparent;color:var(--brand-dark);border:1.5px solid rgba(0,179,107,.5);}
.btn-ghost:hover{background:rgba(0,179,107,.10);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:0 12px 28px rgba(6,17,12,.18);}
.btn-light:hover{transform:translateY(-2px);}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:104px;display:grid;gap:22px;}
.side-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:6px;height:18px;border-radius:4px;background:var(--grad);}
.toc a{
  display:block;padding:9px 12px;border-radius:12px;font-size:14.5px;color:var(--ink-2);
  transition:.2s;border-left:2px solid transparent;
}
.toc a:hover{background:rgba(0,179,107,.08);color:var(--brand-dark);border-left-color:var(--brand);}
.side-list li+li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);}
.side-list a{font-size:14.5px;font-weight:600;color:var(--ink);display:block;transition:.2s;}
.side-list a:hover{color:var(--brand-dark);}
.side-list span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px;}
.side-thumb{border-radius:var(--radius-md);overflow:hidden;margin-bottom:14px;}
.side-thumb img{aspect-ratio:16/10;object-fit:cover;transition:transform .4s;}
.side-card:hover .side-thumb img{transform:scale(1.04);}

/* ---------- 相关推荐 ---------- */
.section{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s,box-shadow .28s;display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.post-cover{position:relative;overflow:hidden;}
.post-cover img{aspect-ratio:16/10;object-fit:cover;transition:transform .5s;}
.post-card:hover .post-cover img{transform:scale(1.05);}
.cover-badge{
  position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:999px;
  background:rgba(6,17,12,.72);backdrop-filter:blur(6px);color:#fff;font-size:12px;font-weight:700;
}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17.5px;line-height:1.5;}
.post-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);}

/* ---------- 上/下一篇 ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:54px;}
.pager-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;transition:.26s;box-shadow:var(--shadow-sm);
}
.pager-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(0,179,107,.35);}
.pager-item small{display:block;font-size:12.5px;color:var(--ink-3);letter-spacing:.06em;margin-bottom:8px;}
.pager-item strong{font-size:16px;font-weight:700;line-height:1.6;}
.pager-item.next{text-align:right;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin-inline:auto;}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .24s,box-shadow .24s;
}
.faq-item[open]{border-color:rgba(0,179,107,.4);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:700;font-size:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;background:rgba(0,179,107,.12);color:var(--brand-dark);
  font-weight:700;font-size:17px;transition:.24s;
}
.faq-item[open] summary::after{content:"−";background:var(--grad);color:#fff;transform:rotate(180deg);}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.85;animation:fadeIn .22s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:56px 52px;color:#fff;
  background:linear-gradient(135deg,#06110C 0%,#0B1A12 42%,#008F55 100%);
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,160,.34),transparent 62%);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);max-width:720px;position:relative;}
.cta-band p{margin-top:14px;max-width:640px;color:rgba(255,255,255,.78);position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:84px;color:rgba(255,255,255,.76);
  background:linear-gradient(180deg,#0B1A12,#06110C 62%);
  border-top:3px solid transparent;
  border-image:linear-gradient(135deg,#00B36B,#00E5A0,#00D9C0) 1;
  padding:64px 0 30px;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.70);transition:.2s;}
.footer-col ul a:hover{color:var(--brand-light);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact b{display:block;color:#fff;font-weight:700;font-size:13.5px;margin-bottom:2px;}
.footer-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 296px;gap:30px;}
  .card-grid{gap:20px;}
}
@media (max-width:1024px){
  .dock{gap:12px;padding:9px 10px 9px 14px;}
  .dock-nav a{padding:8px 11px;font-size:14px;}
  .dock-toggle{display:flex;}
  .dock-nav{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    background:#fff;border:1px solid var(--line);border-radius:24px;
    padding:12px;box-shadow:var(--shadow-lg);
  }
  .dock-nav.open{display:flex;}
  .dock-nav a{padding:12px 14px;font-size:15px;}
  .article-hero{padding:44px 30px 40px;}
  .article-card{padding:32px 28px 34px;}
  .article-layout{grid-template-columns:1fr;}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;}
}
@media (max-width:768px){
  .container{width:min(100% - 28px,var(--container));}
  .dock-name{font-size:15.5px;}
  .dock-cta{padding:10px 16px;font-size:13.5px;}
  .article-hero{margin-top:14px;padding:34px 22px 32px;border-radius:22px;}
  .hero-summary{font-size:15px;}
  .article-wrap{padding:44px 0 10px;}
  .article-card{padding:26px 20px 28px;border-radius:22px;}
  .article-body{font-size:16px;}
  .section{padding:52px 0;}
  .card-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager-item.next{text-align:left;}
  .sidebar{grid-template-columns:1fr;}
  .cta-band{padding:40px 24px;border-radius:22px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;margin-top:60px;}
}
@media (max-width:520px){
  .dock-cta{display:none;}
  .article-hero h1{font-size:24px;}
  .article-body h2{font-size:20px;}
  .footer-top{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .article-meta{gap:8px;}
}

/* roulang page: category1 */
:root{
  --brand:#00B36B;
  --brand-dark:#008F55;
  --brand-light:#00E5A0;
  --cyan:#00D9C0;
  --amber:#FFB020;
  --ink:#0B1512;
  --muted:#5B6B63;
  --line:#DFEDE6;
  --bg:#F6FBF8;
  --card:#FFFFFF;
  --dark:#06110C;
  --dark-2:#0B1A12;
  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-s:0 6px 18px rgba(0,179,107,.08);
  --shadow-m:0 12px 32px rgba(0,179,107,.12);
  --shadow-l:0 24px 56px rgba(6,17,12,.16);
  --grad:linear-gradient(135deg,#00B36B 0%,#00D9C0 100%);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:18px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:100%;max-width:1180px;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:999px;
  box-shadow:0 14px 36px rgba(6,17,12,.14);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;
  box-shadow:0 6px 16px rgba(0,179,107,.35);
}
.dock-brand strong{font-size:16px;font-weight:800;white-space:nowrap;letter-spacing:-.02em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1;min-width:0;}
.dock-nav a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:#3A4B44;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a:hover{color:var(--brand-dark);background:rgba(0,179,107,.08);}
.dock-nav a.active{color:var(--brand-dark);font-weight:700;background:rgba(0,179,107,.12);}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-cta{
  padding:10px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 10px 24px rgba(0,179,107,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.dock-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(0,179,107,.36);}
.dock-cta:active{transform:translateY(0);}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(0,179,107,.1);align-items:center;justify-content:center;
}
.dock-toggle span{display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;position:relative;}
.dock-toggle span::before,.dock-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;
}
.dock-toggle span::before{top:-6px;}
.dock-toggle span::after{top:6px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:78vh;
  display:flex;align-items:center;
  padding:150px 0 90px;
  color:#fff;
  overflow:hidden;
  border-radius:0 0 40px 40px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(6,17,12,.92) 0%,rgba(6,17,12,.74) 45%,rgba(0,143,85,.62) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(0,229,160,.35);
  font-size:13.5px;font-weight:600;color:#B8F5DB;
  backdrop-filter:blur(8px);
}
.hero-eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--brand-light);box-shadow:0 0 0 4px rgba(0,229,160,.2);}
.hero h1{
  margin-top:24px;
  font-size:clamp(2rem,4.4vw,3.5rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.2;
  max-width:18em;
}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#00E5A0,#00D9C0);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{
  margin-top:22px;max-width:640px;
  font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.82);
}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;
  font-weight:700;font-size:15.5px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 32px rgba(0,179,107,.34);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 18px 40px rgba(0,179,107,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(0,229,160,.55);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(0,229,160,.16);border-color:var(--brand-light);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--brand-dark);border-color:rgba(0,179,107,.45);}
.btn-outline:hover{background:rgba(0,179,107,.1);border-color:var(--brand);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--brand-light);outline-offset:3px;}
.hero-stats{
  margin-top:56px;display:flex;flex-wrap:wrap;gap:14px;
}
.stat{
  min-width:150px;flex:1 1 150px;max-width:220px;
  padding:16px 20px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);
}
.stat b{display:block;font-size:19px;font-weight:800;color:#E6FFF5;letter-spacing:-.01em;}
.stat span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- 两列布局 ---------- */
.page-wrap{padding:72px 0 96px;}
.layout{display:grid;grid-template-columns:264px 1fr;gap:44px;align-items:start;}
.toc{position:sticky;top:112px;}
.toc-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 22px;
  box-shadow:var(--shadow-s);
}
.toc-card h3{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.toc-card .toc-hint{font-size:12.5px;color:var(--muted);margin-top:6px;}
.toc-list{margin-top:18px;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14px;color:#41524A;font-weight:500;
  transition:background .2s ease,color .2s ease,padding .2s ease;
}
.toc-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#C8DED4;flex-shrink:0;transition:background .2s ease;
}
.toc-list a:hover{background:rgba(0,179,107,.08);color:var(--brand-dark);padding-left:16px;}
.toc-list a:hover::before{background:var(--brand);}
.toc-list a.active{background:rgba(0,179,107,.12);color:var(--brand-dark);font-weight:700;}
.toc-list a.active::before{background:var(--brand);}
.toc-back{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
  display:block;font-size:13.5px;font-weight:600;color:var(--brand-dark);
}
.toc-back:hover{color:var(--brand);}

/* ---------- 内容区块 ---------- */
.block{margin-bottom:72px;scroll-margin-top:120px;}
.block:last-child{margin-bottom:0;}
.eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:rgba(0,179,107,.1);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.block h2{margin-top:16px;font-size:clamp(1.4rem,2.3vw,1.95rem);letter-spacing:-.02em;}
.block .lead{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;max-width:56em;}

/* 横向长卡 */
.card-h{
  display:grid;grid-template-columns:220px 1fr;gap:0;
  margin-top:26px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card-h:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
.card-h .card-media{position:relative;min-height:180px;overflow:hidden;background:linear-gradient(135deg,#0B1A12,#008F55);}
.card-h .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card-h:hover .card-media img{transform:scale(1.04);}
.card-h .card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,179,107,.34),rgba(6,17,12,.18));
}
.card-h .card-body{padding:24px 28px;}
.card-h h3{font-size:18px;font-weight:800;}
.card-h p{margin-top:10px;font-size:14.8px;line-height:1.85;color:var(--muted);}
.meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  background:rgba(0,217,192,.14);color:#0B7A66;
  font-size:12.5px;font-weight:600;
}
.tag.amber{background:rgba(255,176,32,.16);color:#9A6200;}
.tag.green{background:rgba(0,179,107,.12);color:var(--brand-dark);}

/* 清单 */
.check-list{margin-top:26px;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-md);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow-s);
  transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:rgba(0,179,107,.45);transform:translateY(-2px);}
.check-item .dot{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;
  background:var(--grad);color:#fff;font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-item b{display:block;font-size:15px;}
.check-item p{margin-top:4px;font-size:13.8px;color:var(--muted);line-height:1.75;}

/* 步骤 */
.steps{margin-top:30px;position:relative;padding-left:34px;}
.steps::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(0,217,192,.2));
  border-radius:2px;
}
.step{position:relative;padding:0 0 26px 0;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-29px;top:8px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(0,179,107,.12);
}
.step-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px 24px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateX(4px);box-shadow:var(--shadow-m);}
.step-card .num{
  font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--brand-dark);
}
.step-card h3{margin-top:6px;font-size:16.5px;}
.step-card p{margin-top:8px;font-size:14.6px;color:var(--muted);line-height:1.85;}

/* 场景网格 */
.scene-grid{margin-top:28px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.scene-card .thumb{position:relative;height:150px;overflow:hidden;}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.scene-card:hover .thumb img{transform:scale(1.05);}
.scene-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,143,85,.36),rgba(6,17,12,.12));}
.scene-card .thumb .badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand-dark);
  font-size:12px;font-weight:700;
}
.scene-card .body{padding:20px 22px 24px;}
.scene-card h3{font-size:16.5px;}
.scene-card p{margin-top:8px;font-size:14.4px;color:var(--muted);line-height:1.82;}

/* 环境数据条 */
.stat-bar{
  margin-top:28px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  padding:26px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#06110C,#0B1A12);
  border:1px solid rgba(255,255,255,.08);
}
.stat-bar .item b{display:block;font-size:24px;font-weight:800;color:var(--brand-light);letter-spacing:-.02em;}
.stat-bar .item span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.6);}
.env-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.env-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 22px;border-radius:var(--radius-md);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow-s);
}
.env-item .idx{
  flex-shrink:0;width:34px;height:34px;border-radius:11px;
  background:rgba(0,179,107,.12);color:var(--brand-dark);
  font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.env-item b{display:block;font-size:15.4px;}
.env-item p{margin-top:5px;font-size:14.4px;color:var(--muted);line-height:1.8;}

/* FAQ */
.faq{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(0,179,107,.45);box-shadow:var(--shadow-s);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:15.6px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-q .sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:rgba(0,179,107,.1);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.open .faq-q .sign{background:var(--grad);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a p{padding:0 24px 22px;font-size:14.8px;line-height:1.9;color:var(--muted);}

/* CTA */
.cta-band{
  margin-top:20px;
  border-radius:var(--radius-lg);
  padding:52px 44px;
  background:linear-gradient(135deg,#00B36B 0%,#00D9C0 100%);
  color:#fff;text-align:center;
  box-shadow:0 26px 60px rgba(0,179,107,.3);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band h2{position:relative;font-size:clamp(1.4rem,2.6vw,2.05rem);}
.cta-band p{position:relative;margin-top:14px;font-size:15.6px;color:rgba(255,255,255,.9);max-width:640px;margin-left:auto;margin-right:auto;}
.cta-actions{position:relative;margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.btn-white{background:#fff;color:var(--brand-dark);box-shadow:0 14px 32px rgba(6,17,12,.18);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(6,17,12,.24);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-line:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  border-top:4px solid transparent;
  border-image:var(--grad) 1;
  padding:64px 0 28px;
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand strong{font-size:17px;color:#fff;font-weight:800;}
.footer-desc{margin-top:16px;font-size:14.2px;line-height:1.9;color:rgba(255,255,255,.6);max-width:32em;}
.footer-col h4{font-size:15px;color:#fff;font-weight:800;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14.2px;color:rgba(255,255,255,.68);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--brand-light);padding-left:4px;}
.footer-contact li{font-size:14.2px;color:rgba(255,255,255,.68);}
.footer-contact b{display:inline-block;min-width:74px;color:rgba(255,255,255,.44);font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.2px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .dock-inner{gap:12px;}
  .dock-nav a{padding:9px 11px;font-size:14px;}
  .layout{grid-template-columns:236px 1fr;gap:32px;}
}
@media (max-width:1024px){
  .dock{top:14px;}
  .dock-nav a{padding:8px 10px;font-size:13.5px;}
  .dock-brand strong{font-size:15px;}
  .layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc-list a{padding:8px 14px;background:rgba(0,179,107,.07);}
  .toc-list a::before{display:none;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  .dock-inner{padding:8px 10px 8px 14px;border-radius:24px;flex-wrap:wrap;}
  .dock-toggle{display:flex;}
  .dock-nav{
    order:5;width:100%;flex-direction:column;align-items:stretch;gap:2px;
    max-height:0;overflow:hidden;margin-left:0;
    transition:max-height .28s ease,padding .28s ease;
  }
  .dock-inner.open .dock-nav{max-height:340px;padding-top:10px;}
  .dock-nav a{padding:11px 14px;border-radius:14px;font-size:14.5px;}
  .dock-nav a.active::after{display:none;}
  .dock-actions{margin-left:auto;}
  .dock-cta{padding:9px 16px;font-size:13.6px;}
  .hero{padding:130px 0 66px;min-height:66vh;border-radius:0 0 28px 28px;}
  .hero-stats{margin-top:40px;gap:10px;}
  .stat{min-width:132px;padding:14px 16px;}
  .page-wrap{padding:52px 0 72px;}
  .card-h{grid-template-columns:1fr;}
  .card-h .card-media{min-height:180px;}
  .check-list{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:repeat(2,1fr);padding:22px 20px;gap:20px;}
  .cta-band{padding:40px 24px;}
  .block{margin-bottom:56px;}
  .footer-top{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero h1{font-size:1.72rem;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .cta-actions{flex-direction:column;}
  .stat-bar{grid-template-columns:1fr;}
  .dock-brand strong{display:none;}
  .card-h .card-body{padding:20px 20px 22px;}
  .faq-q{padding:16px 18px;font-size:14.8px;}
  .faq-a p{padding:0 18px 18px;}
  .step-card{padding:18px 18px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --brand:#00B36B;
  --brand-deep:#008F55;
  --brand-light:#00E5A0;
  --cyan:#00D9C0;
  --amber:#FFB020;
  --dark:#06110C;
  --dark-2:#0B1A12;
  --light:#F6FBF8;
  --ink:#0B1512;
  --muted:#5B6B63;
  --line:rgba(11,21,18,.08);
  --line-dark:rgba(255,255,255,.08);
  --grad:linear-gradient(135deg,#00B36B 0%,#00D9C0 100%);
  --grad-soft:linear-gradient(135deg,rgba(0,179,107,.12) 0%,rgba(0,217,192,.10) 100%);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sh-1:0 12px 32px rgba(0,179,107,.12);
  --sh-2:0 20px 48px rgba(6,17,12,.14);
  --sh-3:0 6px 18px rgba(6,17,12,.08);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}
.container{width:min(100% - 40px,var(--container));margin-inline:auto;}

/* ---------- Header / Dock ---------- */
.site-header{position:fixed;top:18px;left:0;right:0;z-index:80;pointer-events:none;}
.dock{
  pointer-events:auto;
  display:flex;
  align-items:center;
  gap:14px;
  width:min(100% - 40px,1200px);
  margin-inline:auto;
  padding:10px 12px 10px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 10px 30px rgba(6,17,12,.10);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(0,179,107,.30);
}
.dock-name{font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  padding:9px 13px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:background .22s ease,color .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand-deep);background:rgba(0,179,107,.09);}
.dock-nav a.active{color:#fff;background:var(--grad);box-shadow:0 6px 16px rgba(0,179,107,.28);}
.dock-cta{
  flex:0 0 auto;
  padding:10px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 8px 20px rgba(0,179,107,.30);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.dock-cta:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(0,179,107,.38);}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(0,179,107,.10);color:var(--brand-deep);
  align-items:center;justify-content:center;font-size:18px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);
  font-weight:700;font-size:15px;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
  cursor:pointer;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(0,179,107,.30);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(0,179,107,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand-deep);border:1.5px solid rgba(0,179,107,.45);}
.btn-ghost:hover{background:rgba(0,179,107,.10);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 10px 26px rgba(6,17,12,.16);}
.btn-light:hover{transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.45);}
.btn-outline-light:hover{background:rgba(255,255,255,.20);transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 76px;
  background-image:linear-gradient(120deg,rgba(6,17,12,.92) 0%,rgba(6,17,12,.72) 46%,rgba(0,143,85,.55) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(to bottom,rgba(246,251,248,0),var(--light));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.70);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand-light);}
.crumb span.sep{opacity:.5;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--pill);
  background:rgba(0,229,160,.14);
  border:1px solid rgba(0,229,160,.34);
  color:var(--brand-light);font-size:13px;font-weight:600;letter-spacing:.4px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);
  line-height:1.26;font-weight:800;letter-spacing:.4px;
  max-width:860px;
}
.page-hero h1 em{font-style:normal;color:var(--brand-light);}
.hero-lead{
  margin-top:20px;max-width:760px;
  font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  margin-top:46px;max-width:860px;
}
.stat-chip{
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(6px);
}
.stat-chip b{display:block;font-size:22px;font-weight:800;color:var(--brand-light);line-height:1.3;}
.stat-chip span{font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- Section base ---------- */
section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(23px,2.6vw,33px);line-height:1.32;font-weight:800;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}

/* ---------- Filter pills ---------- */
.filter-wrap{
  position:relative;z-index:5;
  margin-top:-38px;
}
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:14px 18px;border-radius:var(--pill);
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  backdrop-filter:blur(12px);
}
.filter-bar .filter-label{font-size:13.5px;font-weight:700;color:var(--muted);margin-right:4px;letter-spacing:.4px;}
.pill{
  padding:9px 18px;border-radius:var(--pill);
  font-size:14px;font-weight:600;color:var(--muted);
  border:1px solid var(--line);
  background:#fff;
  transition:all .22s ease;
}
.pill:hover{color:var(--brand-deep);border-color:rgba(0,179,107,.45);background:rgba(0,179,107,.06);}
.pill.active{color:#fff;background:var(--grad);border-color:transparent;box-shadow:0 8px 18px rgba(0,179,107,.28);}

/* ---------- Masonry waterfall ---------- */
.waterfall{
  column-count:2;
  column-gap:26px;
}
.wf-card{
  break-inside:avoid;
  display:inline-block;
  width:100%;
  margin-bottom:26px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-3);
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.wf-card:hover{transform:translateY(-5px);box-shadow:var(--sh-1);border-color:rgba(0,179,107,.28);}
.wf-cover{position:relative;overflow:hidden;}
.wf-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.wf-cover.tall{height:250px;}
.wf-cover.mid{height:190px;}
.wf-cover.short{height:150px;}
.wf-card:hover .wf-cover img{transform:scale(1.04);}
.wf-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(0,143,85,.34) 0%,rgba(6,17,12,.32) 100%);
}
.wf-badge{
  position:absolute;z-index:2;top:14px;left:14px;
  padding:6px 13px;border-radius:var(--pill);
  background:rgba(255,255,255,.92);
  color:var(--brand-deep);font-size:12.5px;font-weight:700;
  box-shadow:0 6px 16px rgba(6,17,12,.16);
}
.wf-badge.solid{background:var(--grad);color:#fff;}
.wf-badge.amber{background:var(--amber);color:#3a2600;}
.wf-badge.corner{top:auto;bottom:14px;left:14px;}
.wf-body{padding:22px 24px 26px;}
.wf-body h3{font-size:18.5px;line-height:1.45;font-weight:700;}
.wf-body h3 a:hover{color:var(--brand-deep);}
.wf-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:10px;font-size:13px;color:var(--muted);
}
.wf-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(11,21,18,.22);}
.wf-body p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.wf-list{margin-top:14px;display:grid;gap:9px;}
.wf-list li{
  position:relative;padding-left:20px;
  font-size:14px;color:var(--muted);line-height:1.7;
}
.wf-list li::before{
  content:"";position:absolute;left:4px;top:9px;
  width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.wf-foot{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.wf-foot a{font-weight:700;color:var(--brand-deep);}
.wf-foot a:hover{color:var(--brand);}
.empty-state{
  display:none;
  padding:52px 32px;text-align:center;
  border-radius:var(--r-lg);background:#fff;border:1px dashed rgba(0,179,107,.35);
}
.empty-state.visible{display:block;}
.empty-icon{
  width:62px;height:62px;margin:0 auto 18px;border-radius:20px;
  background:var(--grad-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
}
.empty-state h3{font-size:19px;font-weight:700;}
.empty-state p{margin-top:10px;color:var(--muted);font-size:14.5px;}
.empty-state .btn{margin-top:22px;}

/* ---------- Timeline / steps ---------- */
.steps-section{background:#fff;border-block:1px solid var(--line);}
.steps{position:relative;margin-top:20px;}
.steps::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  transform:translateX(-50%);
  background:linear-gradient(to bottom,rgba(0,179,107,.05),rgba(0,179,107,.45),rgba(0,217,192,.05));
}
.step-row{
  display:grid;grid-template-columns:1fr 96px 1fr;
  align-items:center;gap:0;margin-bottom:34px;
}
.step-row:last-child{margin-bottom:0;}
.step-card{
  padding:26px 28px;border-radius:var(--r-lg);
  background:var(--light);border:1px solid var(--line);
  box-shadow:var(--sh-3);
  transition:transform .28s ease,box-shadow .28s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);}
.step-card h3{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;}
.step-card h3 span{
  font-size:12.5px;font-weight:700;color:var(--brand-deep);
  background:rgba(0,179,107,.10);padding:5px 12px;border-radius:var(--pill);
}
.step-card p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.step-node{
  justify-self:center;
  width:56px;height:56px;border-radius:50%;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;
  box-shadow:0 10px 26px rgba(0,179,107,.32);
  border:5px solid #fff;
}
.step-row:nth-child(even) .step-card{grid-column:3;}
.step-row:nth-child(even) .step-spacer{grid-column:1;}

/* ---------- Stats ---------- */
.stats-section{
  background:linear-gradient(150deg,var(--dark) 0%,var(--dark-2) 100%);
  color:#fff;
}
.stats-section .section-head h2{color:#fff;}
.stats-section .section-head p{color:rgba(255,255,255,.66);}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-box{
  padding:28px 26px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
  transition:transform .28s ease,background .28s ease;
}
.stat-box:hover{transform:translateY(-4px);background:rgba(0,179,107,.12);}
.stat-box b{
  display:block;font-size:34px;font-weight:800;line-height:1.15;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-box h3{margin-top:10px;font-size:16px;font-weight:700;}
.stat-box p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-3);overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.open{border-color:rgba(0,179,107,.35);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:16.5px;font-weight:700;line-height:1.55;
}
.faq-q .icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  background:rgba(0,179,107,.10);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.open .faq-q .icon{background:var(--grad);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a p{
  padding:0 24px 22px;color:var(--muted);font-size:14.8px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-section{padding-bottom:96px;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:66px 56px;
  background:linear-gradient(135deg,#008F55 0%,#00B36B 52%,#00D9C0 100%);
  color:#fff;
  box-shadow:0 26px 60px rgba(0,143,85,.30);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-card::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-inner{position:relative;z-index:2;max-width:720px;}
.cta-card h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;}
.cta-card p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.90);line-height:1.85;}
.cta-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding-top:70px;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:52px;border-bottom:1px solid var(--line-dark);
}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:18px;}
.footer-brand .dock-mark{width:36px;height:36px;border-radius:12px;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.60);}
.footer-col h4{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--brand-light);padding-left:4px;}
.footer-contact li{font-size:13.8px;color:rgba(255,255,255,.66);display:flex;gap:10px;line-height:1.7;}
.footer-contact b{color:#fff;font-weight:600;flex:0 0 auto;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:24px 0 30px;font-size:13.2px;color:rgba(255,255,255,.48);
}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .dock{width:min(100% - 32px,1100px);}
  .dock-nav a{padding:8px 10px;font-size:13.8px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:1024px){
  .dock-toggle{display:flex;margin-left:auto;order:3;}
  .dock-cta{order:4;padding:9px 16px;font-size:13.8px;}
  .dock-logo{order:1;}
  .dock-nav{
    order:5;
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:22px;
    background:rgba(255,255,255,.98);
    box-shadow:0 18px 40px rgba(6,17,12,.16);
    border:1px solid var(--line);
    display:none;
  }
  .dock-nav.open{display:flex;}
  .dock-nav a{padding:12px 14px;font-size:15px;border-radius:14px;}
  .steps::before{left:28px;}
  .step-row{grid-template-columns:56px 1fr;gap:18px;}
  .step-node{justify-self:start;width:52px;height:52px;font-size:17px;grid-column:1;}
  .step-card,.step-row:nth-child(even) .step-card{grid-column:2;}
  .step-spacer,.step-row:nth-child(even) .step-spacer{display:none;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  section{padding:60px 0;}
  .page-hero{padding:126px 0 60px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .waterfall{column-count:1;}
  .filter-bar{border-radius:24px;padding:14px;}
  .filter-bar .filter-label{width:100%;margin-bottom:4px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-col:first-child{grid-column:1 / -1;}
  .cta-card{padding:46px 28px;border-radius:24px;}
  .stats-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{width:min(100% - 28px,var(--container));}
  .dock{width:min(100% - 24px,1200px);padding:9px 10px 9px 12px;gap:8px;}
  .dock-name{font-size:15.5px;}
  .dock-cta{padding:9px 14px;font-size:13px;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px;}
  .stat-chip{padding:13px 14px;}
  .stat-chip b{font-size:18px;}
  .wf-body{padding:18px 18px 22px;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category3 */
:root{
  --brand:#00B36B;
  --brand-dark:#008F55;
  --brand-light:#00E5A0;
  --cyan:#00D9C0;
  --amber:#FFB020;
  --ink:#0B1512;
  --ink-2:#5B6B63;
  --ink-3:#8A968F;
  --bg:#F6FBF8;
  --card:#FFFFFF;
  --line:rgba(11,21,18,.08);
  --dark:#06110C;
  --dark-2:#0B1A12;
  --grad:linear-gradient(135deg,#00B36B 0%,#00D9C0 100%);
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(0,179,107,.12);
  --shadow-lg:0 24px 60px rgba(6,17,12,.14);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.2px}
::selection{background:rgba(0,217,192,.35)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 28px;font-weight:600;font-size:15px;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(0,179,107,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,179,107,.38);filter:brightness(1.04)}
.btn-outline{background:transparent;border-color:rgba(0,179,107,.45);color:var(--brand-dark)}
.btn-outline:hover{background:rgba(0,179,107,.1);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.18)}
.btn-ghost{background:rgba(0,179,107,.1);color:var(--brand-dark)}
.btn-ghost:hover{background:rgba(0,179,107,.18)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(0,217,192,.5)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{position:fixed;top:20px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 24px;pointer-events:none}
.dock-inner{
  pointer-events:auto;
  width:100%;max-width:1180px;
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(11,21,18,.06);
  border-radius:999px;
  padding:10px 12px 10px 18px;
  box-shadow:0 14px 40px rgba(6,17,12,.1);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;letter-spacing:-.5px;
  box-shadow:0 8px 18px rgba(0,179,107,.35);
}
.dock-name{font-weight:800;font-size:16px;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1;min-width:0}
.dock-nav a{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease;white-space:nowrap;
}
.dock-nav a:hover{background:rgba(0,179,107,.1);color:var(--brand-dark)}
.dock-nav a.active{background:rgba(0,179,107,.14);color:var(--brand-dark);font-weight:700}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.dock-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;background:rgba(0,179,107,.1);color:var(--brand-dark);
}
.dock-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px}
.dock-toggle span::before{top:-5px}
.dock-toggle span::after{top:5px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:150px 0 96px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(6,17,12,.94) 0%,rgba(0,80,48,.82) 48%,rgba(0,217,192,.42) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.breadcrumb a:hover{color:#fff}
.breadcrumb em{font-style:normal;color:rgba(255,255,255,.4)}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(0,217,192,.16);border:1px solid rgba(0,229,160,.36);
  color:#7DFFD4;font-size:13px;font-weight:600;letter-spacing:.4px;
}
.hero h1{font-size:clamp(30px,4.4vw,52px);margin:20px 0 18px;font-weight:800;letter-spacing:-1px}
.hero h1 span{background:linear-gradient(120deg,#00E5A0,#7DFFD4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:42px}
.hero-stats li{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.15);
  border-radius:16px;padding:14px 22px;backdrop-filter:blur(6px);
}
.hero-stats b{display:block;font-size:21px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:2px}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.68)}

/* ---------- 指标条 ---------- */
.metrics-wrap{position:relative;z-index:5;margin-top:-58px}
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  overflow:hidden;border:1px solid var(--line);
}
.metric{padding:28px 26px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:22px;font-weight:800;color:var(--brand-dark);margin-bottom:6px;letter-spacing:-.5px}
.metric span{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.alt{background:linear-gradient(180deg,#FFFFFF 0%,#F1F8F3 100%)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin:0 auto 52px;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--brand-dark);text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:16px}
.section-head p{color:var(--ink-2);font-size:16px;line-height:1.85}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:16px;display:flex;flex-direction:column;gap:34px}
.timeline::before{
  content:"";position:absolute;left:50%;top:10px;bottom:10px;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(0,179,107,0) 0%,#00B36B 14%,#00D9C0 86%,rgba(0,217,192,0) 100%);
}
.tl-item{display:grid;grid-template-columns:1fr 90px 1fr;align-items:center;position:relative}
.tl-node{grid-column:2;display:flex;justify-content:center}
.tl-node span{
  width:54px;height:54px;border-radius:50%;background:#fff;
  border:2px solid rgba(0,179,107,.35);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.4px;
  box-shadow:0 12px 28px rgba(0,179,107,.2);
}
.tl-card{
  grid-column:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 30px;box-shadow:var(--shadow);
  transition:transform .26s ease,box-shadow .26s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:0 22px 48px rgba(0,179,107,.18)}
.tl-item:nth-child(even) .tl-card{grid-column:3}
.tl-card h3{font-size:19px;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.tl-card h3 i{
  font-style:normal;width:6px;height:18px;border-radius:3px;
  background:var(--grad);display:inline-block;flex-shrink:0;
}
.tl-card p{color:var(--ink-2);font-size:15px;line-height:1.85}
.tl-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-points span{
  font-size:13px;color:var(--brand-dark);background:rgba(0,179,107,.1);
  border-radius:999px;padding:5px 13px;font-weight:500;
}

/* ---------- 任务清单 ---------- */
.checklist{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:40px 42px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1fr;gap:14px 36px;
}
.check-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(11,21,18,.08)}
.check-item:nth-last-child(-n+2){border-bottom:0}
.check-icon{
  width:22px;height:22px;border-radius:8px;background:rgba(0,179,107,.14);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0;margin-top:3px;
}
.check-item p{font-size:15px;color:var(--ink-2)}
.check-item b{color:var(--ink);font-weight:600;display:block;margin-bottom:2px;font-size:15px}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .26s ease,box-shadow .26s ease;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-6px);box-shadow:0 26px 54px rgba(0,179,107,.2)}
.scene-media{position:relative;height:168px;overflow:hidden}
.scene-media img{width:100%;height:100%;transition:transform .4s ease}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(0,80,48,.5),rgba(0,217,192,.14));
}
.scene-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  background:rgba(255,255,255,.9);color:var(--brand-dark);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  backdrop-filter:blur(6px);
}
.scene-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.scene-body h3{font-size:18px;margin-bottom:10px}
.scene-body p{font-size:15px;color:var(--ink-2);line-height:1.8;flex:1}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.scene-meta span{font-size:12px;color:var(--ink-3);background:rgba(11,21,18,.05);border-radius:999px;padding:4px 11px}

/* ---------- 浏览器对照 ---------- */
.browser-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px}
.browser-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 22px;box-shadow:0 6px 18px rgba(0,179,107,.06);
  transition:transform .22s ease,box-shadow .22s ease;
}
.browser-item:hover{transform:translateX(4px);box-shadow:0 12px 28px rgba(0,179,107,.14)}
.browser-item b{font-size:15px;font-weight:600}
.browser-item small{display:block;font-size:13px;color:var(--ink-3);font-weight:400;margin-top:2px}
.status{font-size:12px;font-weight:700;padding:5px 13px;border-radius:999px;white-space:nowrap}
.status.ok{background:rgba(0,179,107,.14);color:var(--brand-dark)}
.status.mid{background:rgba(255,176,32,.18);color:#9A6400}
.status.no{background:rgba(11,21,18,.08);color:var(--ink-2)}

/* ---------- 反馈引用 ---------- */
.quote-card{
  background:var(--dark-2);color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);
  padding:30px 28px;position:relative;overflow:hidden;
  transition:transform .26s ease,border-color .26s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.35)}
.quote-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--grad);
}
.quote-card p{font-size:15px;line-height:1.9;margin-bottom:18px}
.quote-card footer{font-size:13px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:10px}
.quote-card footer i{
  font-style:normal;width:26px;height:26px;border-radius:9px;background:rgba(0,217,192,.18);
  color:#7DFFD4;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  margin-bottom:14px;overflow:hidden;box-shadow:0 6px 18px rgba(0,179,107,.06);
  transition:box-shadow .24s ease,border-color .24s ease;
}
.faq-item.open{border-color:rgba(0,179,107,.35);box-shadow:0 16px 36px rgba(0,179,107,.14)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:21px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-dark)}
.faq-q:focus-visible{outline:2px solid rgba(0,217,192,.7);outline-offset:-4px;border-radius:20px}
.faq-icon{
  width:28px;height:28px;border-radius:10px;background:rgba(0,179,107,.12);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-item.open .faq-icon{background:var(--grad);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.open .faq-a{max-height:460px}
.faq-a p{padding:0 26px 24px;color:var(--ink-2);font-size:15px;line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(135deg,#008F55 0%,#00B36B 45%,#00D9C0 100%);
  padding:64px 56px;text-align:center;color:#fff;
  box-shadow:0 30px 70px rgba(0,143,85,.32);
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-180px;background:rgba(255,255,255,.14);
}
.cta-band::after{
  content:"";position:absolute;width:260px;height:260px;border-radius:50%;
  left:-100px;bottom:-140px;background:rgba(255,255,255,.1);
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(24px,3.2vw,38px);margin-bottom:16px}
.cta-band p{position:relative;z-index:2;font-size:16px;color:rgba(255,255,255,.9);max-width:660px;margin:0 auto;line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.7);
  margin-top:96px;padding:0 0 30px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#00B36B 0%,#00D9C0 55%,#FFB020 100%);
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding:68px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.3px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px;letter-spacing:.3px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:#7DFFD4;padding-left:4px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:12px;line-height:1.7}
.footer-contact b{color:rgba(255,255,255,.9);font-weight:600;margin-right:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 图片占位 ---------- */
.img-fallback{background:linear-gradient(135deg,#0B1A12,#008F55);min-height:120px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .dock-nav a{padding:9px 11px;font-size:13.5px}
  .container{padding:0 20px}
}
@media (max-width:1024px){
  .dock-inner{gap:10px}
  .dock-name{font-size:15px}
  .dock-actions .btn-ghost{display:none}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:nth-child(odd){border-right:1px solid var(--line)}
  .metric:nth-last-child(-n+2){border-bottom:0}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .checklist{padding:32px 28px}
}
@media (max-width:900px){
  .timeline::before{left:26px;transform:none}
  .tl-item{grid-template-columns:54px 1fr;align-items:flex-start}
  .tl-node{grid-column:1;justify-content:flex-start;padding-top:6px}
  .tl-node span{width:46px;height:46px;font-size:14px}
  .timeline .tl-item .tl-card{grid-column:2;margin-left:18px}
  .browser-list{grid-template-columns:1fr}
}
@media (max-width:768px){
  .dock{top:10px;padding:0 14px}
  .dock-inner{flex-wrap:wrap;border-radius:22px;padding:10px 14px}
  .dock-nav,.dock-actions{display:none}
  .dock-toggle{display:inline-flex;margin-left:auto}
  .dock-nav{width:100%;flex-direction:column;align-items:stretch;gap:4px;margin:10px 0 0}
  .dock-nav a{padding:11px 14px;font-size:15px}
  .dock.open .dock-nav{display:flex}
  .dock.open .dock-actions{display:flex;width:100%;margin-top:8px}
  .dock.open .dock-actions .btn{flex:1;display:inline-flex}
  .dock.open .dock-actions .btn-ghost{display:inline-flex}
  .hero{padding:132px 0 78px;min-height:62vh}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .metrics-wrap{margin-top:-42px}
  .section{padding:64px 0}
  .section-head{margin-bottom:34px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr;padding:26px 22px}
  .check-item:nth-last-child(-n+2){border-bottom:1px dashed rgba(11,21,18,.08)}
  .check-item:last-child{border-bottom:0}
  .cta-band{padding:46px 24px;border-radius:26px}
  .footer-top{grid-template-columns:1fr;padding:52px 0 34px}
  .footer-desc{max-width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .dock-name{font-size:14px}
  .hero h1{font-size:26px}
  .hero-stats li{padding:12px 16px}
  .hero-stats b{font-size:18px}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0 !important;border-bottom:1px solid var(--line) !important}
  .metric:last-child{border-bottom:0 !important}
  .tl-card{padding:22px 20px;margin-left:12px}
  .tl-card h3{font-size:17px}
  .faq-q{font-size:15px;padding:18px 18px}
  .faq-a p{padding:0 18px 20px;font-size:14.5px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category4 */
:root{
  --brand:#00B36B;
  --brand-deep:#008F55;
  --brand-light:#00E5A0;
  --cyan:#00D9C0;
  --amber:#FFB020;
  --dark:#06110C;
  --dark-2:#0B1A12;
  --dark-3:#102520;
  --bg:#F6FBF8;
  --surface:#FFFFFF;
  --ink:#0B1512;
  --ink-2:#5B6B63;
  --ink-3:#8A9A92;
  --line:#E2EFE8;
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px rgba(11,21,18,.05);
  --shadow-md:0 12px 32px rgba(0,179,107,.12);
  --shadow-lg:0 24px 60px rgba(11,21,18,.14);
  --grad-brand:linear-gradient(135deg,#00B36B 0%,#00D9C0 100%);
  --grad-dark:linear-gradient(180deg,rgba(6,17,12,.35) 0%,rgba(6,17,12,.78) 58%,rgba(6,17,12,.94) 100%);
  --grad-footer:linear-gradient(135deg,#00B36B 0%,#00D9C0 100%);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-light);outline-offset:3px;border-radius:8px;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ============ 浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:18px;
  left:0;
  right:0;
  z-index:60;
  padding:0 20px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(0,179,107,.14);
  border-radius:999px;
  box-shadow:0 14px 40px rgba(6,17,12,.12);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px rgba(0,179,107,.32);
}
.dock-name{font-weight:800;font-size:16px;letter-spacing:-.02em;white-space:nowrap;}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:999px;
  white-space:nowrap;
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:50%;bottom:3px;
  width:0;height:3px;
  border-radius:999px;
  background:var(--grad-brand);
  transform:translateX(-50%);
  transition:width .22s ease;
}
.dock-nav a:hover{color:var(--brand-deep);background:rgba(0,179,107,.08);}
.dock-nav a:hover::after{width:22px;}
.dock-nav a.active{color:var(--brand-deep);background:rgba(0,179,107,.12);font-weight:700;}
.dock-nav a.active::after{width:22px;}
.dock-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-toggle{
  display:none;
  width:42px;height:42px;border-radius:14px;
  background:rgba(0,179,107,.1);
  color:var(--brand-deep);
  font-weight:700;
  align-items:center;justify-content:center;
}
.dock-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.dock-toggle span::before,.dock-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.dock-toggle span::before{top:-6px;}
.dock-toggle span::after{top:6px;}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 12px 28px rgba(0,179,107,.28);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 38px rgba(0,179,107,.36);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:transparent;
  color:var(--brand-deep);
  border-color:rgba(0,143,85,.4);
}
.btn-ghost:hover{background:rgba(0,179,107,.1);border-color:var(--brand);transform:translateY(-2px);}
.btn-light{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(255,255,255,.4);
  backdrop-filter:blur(8px);
}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  min-height:64vh;
  display:flex;
  align-items:flex-end;
  padding:150px 0 76px;
  background-image:var(--grad-dark),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto -10% -60% -10%;
  height:280px;
  background:radial-gradient(60% 100% at 50% 0%,rgba(0,229,160,.26),transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:var(--brand-light);}
.crumb span.dot{opacity:.5;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:#062018;
  background:linear-gradient(135deg,rgba(0,229,160,.95),rgba(0,217,192,.9));
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  max-width:880px;
  letter-spacing:-.02em;
}
.page-hero h1 em{font-style:normal;background:linear-gradient(120deg,#00E5A0,#00D9C0 60%,#FFB020);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{
  margin-top:20px;
  max-width:720px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}

/* ============ 统计条 ============ */
.stat-band{
  margin-top:-42px;
  position:relative;
  z-index:5;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:28px;
  box-shadow:var(--shadow-lg);
}
.stat-item{padding:6px 14px;border-left:2px solid rgba(0,179,107,.18);}
.stat-item:first-child{border-left:0;}
.stat-num{
  font-size:32px;
  font-weight:800;
  letter-spacing:-.03em;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.2;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:2px;}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:6px;}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-deep);
  background:rgba(0,179,107,.1);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
  letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85;}

/* ============ 排查方向网格卡 + 侧栏 FAQ ============ */
.split-layout{
  display:grid;
  grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.issue-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;
  flex-direction:column;
}
.issue-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(0,179,107,.3);}
.issue-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--dark-2);}
.issue-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.issue-card:hover .issue-thumb img{transform:scale(1.04);}
.issue-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,17,12,.05) 30%,rgba(6,17,12,.55) 100%);
}
.issue-badge{
  position:absolute;top:14px;left:14px;z-index:3;
  padding:6px 13px;border-radius:999px;
  font-size:12px;font-weight:700;color:#062018;
  background:linear-gradient(135deg,#00E5A0,#00D9C0);
  box-shadow:0 8px 18px rgba(6,17,12,.22);
}
.issue-badge.warn{background:linear-gradient(135deg,#FFD37A,#FFB020);}
.issue-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.issue-body h3{font-size:18px;line-height:1.45;}
.issue-body p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.issue-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);
}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:var(--brand-deep);background:rgba(0,179,107,.1);
}
.chip.amber{color:#8A5A00;background:rgba(255,176,32,.18);}
.chip.cyan{color:#00695C;background:rgba(0,217,192,.16);}

/* ============ 侧栏 FAQ ============ */
.side-col{display:flex;flex-direction:column;gap:22px;}
.side-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-sm);
}
.side-panel h3{font-size:18px;margin-bottom:6px;}
.side-panel .side-sub{font-size:13.5px;color:var(--ink-2);margin-bottom:18px;}
.faq-list{display:flex;flex-direction:column;gap:10px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--bg);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.faq-item.open{border-color:rgba(0,179,107,.45);background:#fff;box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  padding:15px 16px;
  text-align:left;
  font-size:14.5px;font-weight:700;color:var(--ink);
  line-height:1.6;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(0,179,107,.12);color:var(--brand-deep);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
  margin-top:1px;
}
.faq-item.open .faq-icon{background:var(--grad-brand);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 16px 16px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.85;
  border-top:1px solid var(--line);
  padding-top:14px;
  margin:0 16px 16px;
}
.side-note{
  background:linear-gradient(135deg,rgba(0,179,107,.1),rgba(0,217,192,.12));
  border:1px solid rgba(0,179,107,.2);
  border-radius:var(--radius-lg);
  padding:24px;
}
.side-note h4{font-size:16px;margin-bottom:10px;}
.side-note p{font-size:14px;color:var(--ink-2);line-height:1.85;margin-bottom:16px;}

/* ============ 排查路径 / 节点卡 ============ */
.path-section{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.path-section::before{
  content:"";position:absolute;top:-160px;left:50%;transform:translateX(-50%);
  width:720px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(0,229,160,.22),transparent);
  pointer-events:none;
}
.path-section .section-head p{color:rgba(255,255,255,.7);}
.path-section .eyebrow{background:rgba(0,229,160,.14);color:var(--brand-light);}
.path-section .section-head h2{color:#fff;}
.path-track{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:8px;
}
.path-track::before{
  content:"";
  position:absolute;top:34px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(0,229,160,.6),rgba(0,217,192,.35),rgba(255,176,32,.45));
  z-index:0;
}
.path-node{position:relative;z-index:2;padding:0 6px;}
.node-dot{
  width:68px;height:68px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:#062018;
  background:linear-gradient(135deg,#00E5A0,#00D9C0);
  box-shadow:0 14px 30px rgba(0,229,160,.24);
  margin-bottom:20px;
}
.path-node h3{font-size:17px;color:#fff;margin-bottom:10px;}
.path-node p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.85;}
.path-node .chip{margin-top:14px;background:rgba(255,255,255,.1);color:var(--brand-light);}

/* ============ 信息条带 ============ */
.strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.strip-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease;
}
.strip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.strip-num{
  font-size:13px;font-weight:800;color:var(--brand);
  letter-spacing:.14em;margin-bottom:12px;
}
.strip-card h3{font-size:17px;margin-bottom:10px;}
.strip-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}

/* ============ CTA ============ */
.cta-section{padding:0 0 96px;}
.cta-card{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  padding:64px 56px;
  background-image:linear-gradient(135deg,rgba(0,143,85,.94),rgba(0,217,192,.86)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,255,255,.22),transparent);
}
.cta-inner{position:relative;z-index:2;max-width:640px;}
.cta-card h2{font-size:clamp(24px,3.2vw,36px);color:#fff;}
.cta-card p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.9);line-height:1.85;}
.cta-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark-2);
  color:rgba(255,255,255,.72);
  position:relative;
  padding:72px 0 30px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad-footer);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:38px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.66);
  display:inline-block;
}
.footer-col ul a:hover{color:var(--brand-light);transform:translateX(3px);}
.footer-contact li{
  font-size:14px;color:rgba(255,255,255,.66);
  display:flex;gap:8px;line-height:1.7;
}
.footer-contact b{color:#fff;font-weight:600;flex:0 0 auto;}
.footer-bottom{
  padding-top:24px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .dock{max-width:100%;}
  .dock-nav a{padding:8px 11px;font-size:14px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-col:last-child{grid-column:span 3;}
}
@media (max-width:1024px){
  .site-header{top:12px;padding:0 14px;}
  .dock{padding:9px 12px 9px 14px;gap:12px;}
  .dock-nav{display:none;}
  .dock-nav.is-open{
    display:flex;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(18px);
    border:1px solid rgba(0,179,107,.16);
    border-radius:24px;
    box-shadow:var(--shadow-lg);
    margin-left:0;
  }
  .dock-nav.is-open a{padding:12px 16px;font-size:15px;border-radius:14px;}
  .dock-nav.is-open a::after{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-cta .btn{display:none;}
  .split-layout{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .path-track{grid-template-columns:repeat(2,1fr);gap:28px;}
  .path-track::before{display:none;}
  .strip{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
}
@media (max-width:768px){
  .page-hero{min-height:62vh;padding:132px 0 58px;}
  .hero-lead{font-size:15.5px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;padding:22px;}
  .stat-item{border-left:0;padding:6px 4px;}
  .stat-num{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .strip{grid-template-columns:1fr;}
  .cta-card{padding:44px 26px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-col:last-child{grid-column:span 2;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .dock-name{font-size:15px;}
  .dock-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
  .page-hero h1{font-size:26px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .stat-grid{grid-template-columns:1fr;padding:20px;}
  .path-track{grid-template-columns:1fr;}
  .cta-actions .btn,.hero-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-col:last-child{grid-column:span 1;}
  .footer-bottom{flex-direction:column;}
  .side-panel{padding:20px;}
}