/* roulang page: index */
:root{
  --ink:#0E2A24;
  --brand:#12564A;
  --accent:#C9F24D;
  --spark:#FF6B35;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E2E0D6;
  --text:#16201D;
  --muted:#5C6B66;
  --ok:#2E7D5B;
  --warn:#E0A800;
  --err:#C0392B;
  --sh1:0 1px 2px rgba(14,42,36,.06),0 2px 8px rgba(14,42,36,.05);
  --sh2:0 8px 24px rgba(14,42,36,.10);
  --r-card:16px;
  --r-hero:24px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:6px;
}

*,*::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,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.32;}
h1{font-size:44px;line-height:1.25;}
h2{font-size:30px;line-height:1.35;margin:2.2em 0 1.1em;}
h2:first-child{margin-top:0;}
h3{font-size:22px;line-height:1.45;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent);color:var(--ink);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:#EFEEE7;}
.section-head{max-width:860px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;
  background:rgba(18,86,74,.08);
  border-radius:var(--r-badge);
  padding:6px 12px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);}
.section-head h2{margin:0 0 14px;}
.section-lead{font-size:17px;color:var(--muted);max-width:820px;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;
  padding:12px 24px;border:1.5px solid transparent;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;line-height:1.4;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:#BDE63F;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(18,86,74,.08);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--ink);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,42,36,.18);}
.nav-row1{background:var(--ink);}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--accent);display:grid;place-items:center;flex:0 0 auto;
  box-shadow:0 2px 6px rgba(201,242,77,.25);
}
.logo-mark svg{width:20px;height:20px;display:block;}
.logo-text{
  font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-search{
  flex:1 1 auto;max-width:420px;height:40px;
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-input);
  padding:0 5px 0 14px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,242,77,.25);background:rgba(255,255,255,.12);}
.nav-search input{flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:14.5px;}
.nav-search input::placeholder{color:rgba(255,255,255,.45);}
.nav-search button{
  width:32px;height:32px;flex:0 0 auto;border:0;border-radius:9px;
  background:var(--accent);color:var(--ink);display:grid;place-items:center;
  transition:background-color .2s ease,transform .2s ease;
}
.nav-search button:hover{background:#BDE63F;}
.nav-search button:active{transform:scale(.95);}
.nav-search button:focus-visible{outline:2px solid #fff;outline-offset:2px;}
.nav-cta{flex:0 0 auto;}
.nav-row2{position:relative;background:#0A211C;border-top:1px solid rgba(255,255,255,.06);}
.nav-row2::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:32px;
  background:linear-gradient(90deg,rgba(10,33,28,0),#0A211C);
  pointer-events:none;
}
.tabs{
  display:flex;align-items:center;gap:10px;height:52px;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 17px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.76);
  font-size:14.5px;font-weight:500;line-height:1.4;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.tab:hover{color:#fff;border-color:rgba(201,242,77,.55);}
.tab.active{background:var(--accent);color:var(--ink);border-color:var(--accent);font-weight:700;}
.tab:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(14,42,36,.7),rgba(14,42,36,.7)),
    repeating-linear-gradient(45deg,rgba(255,255,255,.035) 0 2px,transparent 2px 12px);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:center;
  padding-top:88px;padding-bottom:88px;color:#fff;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--accent);
  border:1px solid rgba(201,242,77,.45);
  background:rgba(201,242,77,.10);
  border-radius:var(--r-badge);
  padding:6px 12px;margin-bottom:20px;
}
.hero h1{color:#fff;margin-bottom:18px;max-width:16em;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:17.5px;color:rgba(255,255,255,.78);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  max-width:640px;
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{font-size:28px;font-weight:800;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.65);}

.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-hero);
  padding:22px;
  backdrop-filter:blur(2px);
  box-shadow:0 18px 48px rgba(0,0,0,.24);
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.panel-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(201,242,77,.18);}
.panel-list{display:flex;flex-direction:column;gap:11px;margin-bottom:18px;}
.panel-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.65;}
.panel-list i{color:var(--accent);font-size:14px;margin-top:4px;flex:0 0 auto;}
.panel-img{border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(255,255,255,.14);}
.panel-img img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 内联 CTA 条 ---------- */
.inline-cta{
  margin-top:44px;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:14px;
  padding:18px 22px;
  box-shadow:var(--sh1);
}
.inline-cta p{margin:0;font-size:15.5px;color:var(--muted);}
.inline-cta .btn{flex:0 0 auto;}

/* ---------- 卖点 01-04 ---------- */
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.feature-item{
  display:flex;gap:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.6);}
.feature-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:var(--ink);
  display:grid;place-items:center;
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
}
.feature-body h3{margin-bottom:10px;}
.feature-body p{margin:0;font-size:15.5px;color:var(--muted);}

/* ---------- 演示区 ---------- */
.demo-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
.browser-frame{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--sh2);
}
.browser-bar{
  display:flex;align-items:center;gap:7px;
  padding:12px 16px;background:#EFEEE7;border-bottom:1px solid var(--line);
}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:#D6D4C8;display:block;}
.browser-bar i:first-child{background:var(--spark);opacity:.8;}
.browser-bar i:nth-child(2){background:var(--warn);opacity:.7;}
.browser-bar i:nth-child(3){background:var(--ok);opacity:.6;}
.browser-url{
  margin-left:10px;flex:1 1 auto;height:24px;border-radius:8px;
  background:#fff;border:1px solid var(--line);
  font-size:12px;color:var(--muted);
  display:flex;align-items:center;padding:0 10px;gap:6px;overflow:hidden;white-space:nowrap;
}
.browser-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.step-list{display:flex;flex-direction:column;gap:22px;}
.step-item{display:flex;gap:16px;}
.step-num{
  flex:0 0 auto;width:36px;height:36px;border-radius:50%;
  background:rgba(201,242,77,.9);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;margin-bottom:6px;}
.step-item p{margin:0;font-size:15.5px;color:var(--muted);}

/* ---------- 内容列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh1);
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.6);}
.news-card-main{grid-column:span 2;}
.news-thumb{overflow:hidden;background:#EFEEE7;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.news-body h3{font-size:20px;line-height:1.4;}
.news-body h3 a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{
  margin:0;font-size:15px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-main .news-body p{-webkit-line-clamp:3;}
.news-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.badge{
  display:inline-flex;align-items:center;
  background:rgba(255,107,53,.12);color:#B8461C;
  border-radius:var(--r-badge);
  padding:3px 9px;font-size:12.5px;font-weight:700;
}
.badge-green{background:rgba(18,86,74,.10);color:var(--brand);}
.news-meta .more{margin-left:auto;color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.news-meta .more i{font-size:12px;transition:transform .25s ease;}
.news-card:hover .news-meta .more i{transform:translateX(3px);}

.empty-state{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:56px 24px;text-align:center;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state .empty-ico{
  width:64px;height:64px;border-radius:50%;
  background:rgba(18,86,74,.08);color:var(--brand);
  display:grid;place-items:center;font-size:24px;
}
.empty-state p{margin:0;color:var(--muted);font-size:15.5px;}

.skeleton-card{
  border-radius:var(--r-card);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
}
.skeleton-block{
  background:linear-gradient(90deg,rgba(14,42,36,.08) 25%,rgba(14,42,36,.14) 37%,rgba(14,42,36,.08) 63%);
  background-size:400% 100%;
  animation:shimmer 1.4s ease infinite;
}
@keyframes shimmer{0%{background-position:100% 0;}100%{background-position:0 0;}}

/* ---------- 证据区 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:40px;}
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh1);
}
.stat-card strong{
  display:block;font-size:34px;font-weight:800;color:var(--brand);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-card strong small{font-size:15px;font-weight:700;color:var(--muted);margin-left:4px;}
.stat-card span{display:block;margin-top:10px;font-size:15px;color:var(--muted);}

.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:var(--surface);
  border-radius:var(--r-btn);padding:8px 16px;
  font-size:14px;color:var(--muted);
}
.chip i{color:var(--brand);}

.review-track{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.review-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh1);
  display:flex;flex-direction:column;gap:14px;
}
.review-card .stars{color:var(--spark);font-size:13px;letter-spacing:2px;}
.review-card p{margin:0;font-size:15.5px;color:var(--text);line-height:1.8;}
.review-author{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-top:auto;}
.review-avatar{
  width:32px;height:32px;border-radius:50%;
  background:rgba(18,86,74,.10);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:13px;
}

/* ---------- 权益档位 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch;}
.plan-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 26px;
  display:flex;flex-direction:column;gap:18px;
  box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.plan-card.recommended{border:2px solid var(--accent);}
.plan-flag{
  position:absolute;top:-13px;right:22px;
  background:var(--accent);color:var(--ink);
  font-size:12.5px;font-weight:800;
  border-radius:var(--r-btn);padding:4px 14px;
}
.plan-name{font-size:19px;font-weight:800;}
.plan-price{display:flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums;}
.plan-price strong{font-size:36px;font-weight:800;color:var(--ink);line-height:1;}
.plan-price span{font-size:14px;color:var(--muted);}
.plan-desc{font-size:14.5px;color:var(--muted);margin:0;}
.plan-list{display:flex;flex-direction:column;gap:11px;font-size:15px;}
.plan-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.plan-list i{color:var(--ok);font-size:13px;margin-top:5px;flex:0 0 auto;}
.plan-card .btn{margin-top:auto;width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:10px 24px;
  box-shadow:var(--sh1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:700;line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.faq-item summary i{
  flex:0 0 auto;font-size:14px;color:var(--brand);
  transition:transform .2s ease;
}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-answer{
  padding:0 0 22px 16px;
  border-left:3px solid var(--accent);
  margin-bottom:20px;
  font-size:16px;line-height:1.8;color:var(--muted);
}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- 末屏 CTA ---------- */
.cta-section{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
  padding:88px 0;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.035) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;}
.cta-section h2{color:#fff;margin:0 0 16px;}
.cta-section p{color:rgba(255,255,255,.76);font-size:17px;max-width:600px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-panel{
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  border-radius:var(--r-hero);
  padding:24px;
}
.cta-panel h3{font-size:17px;color:#fff;margin-bottom:14px;}
.cta-panel ul{display:flex;flex-direction:column;gap:12px;}
.cta-panel li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.7;}
.cta-panel i{color:var(--accent);margin-top:5px;font-size:13px;flex:0 0 auto;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:190px;min-height:50px;
  background:var(--accent);color:var(--ink);
  border-radius:var(--r-btn);font-weight:800;font-size:15px;
  box-shadow:0 10px 26px rgba(14,42,36,.24);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#BDE63F;}
.float-cta:focus-visible{outline:2px solid #fff;outline-offset:3px;}
.float-top{
  position:fixed;right:24px;bottom:86px;z-index:60;
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  background:var(--ink);color:#fff;
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
.float-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-top:hover{background:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .logo-text{font-size:18px;}
.footer-brand p{margin:18px 0 0;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.45);
}
.footer-bottom p{margin:0;}
.footer-bottom .footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .footer-links a{color:rgba(255,255,255,.5);}
.footer-bottom .footer-links a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 24px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  h1{font-size:36px;}
  h2{font-size:26px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:64px;padding-bottom:64px;}
  .hero-panel{max-width:560px;}
  .demo-grid{grid-template-columns:1fr;gap:32px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-card-main{grid-column:span 2;}
  .proof-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .plan-grid{grid-template-columns:1fr;max-width:560px;}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16.5px;}
  .section{padding:56px 0;}
  .container{padding:0 20px;}
  h1{font-size:30px;}
  h2{font-size:23px;margin:1.8em 0 .9em;}
  h3{font-size:19px;}
  .site-header{position:static;}
  .nav-row1{position:sticky;top:0;z-index:50;}
  .nav-inner{height:56px;gap:14px;flex-wrap:nowrap;}
  .logo-text{font-size:16px;max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .nav-search{display:none;}
  .nav-cta{margin-left:auto;}
  .tabs{height:48px;gap:8px;}
  .hero-inner{padding-top:48px;padding-bottom:48px;}
  .hero-sub{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .hero-stats strong{font-size:24px;}
  .feature-list{grid-template-columns:1fr;}
  .feature-item{padding:22px;gap:16px;}
  .news-grid{grid-template-columns:1fr;}
  .news-card-main{grid-column:span 1;}
  .proof-grid{grid-template-columns:1fr;}
  .review-track{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none;}
  .review-track::-webkit-scrollbar{display:none;}
  .review-card{flex:0 0 82%;}
  .plan-grid{max-width:100%;}
  .faq-wrap{padding:6px 18px;}
  .faq-item summary{font-size:16px;padding:17px 0;}
  .cta-section{padding:64px 0;}
  .inline-cta{padding:16px 18px;}
  .float-cta{
    left:0;right:0;bottom:0;width:100%;
    border-radius:0;height:56px;min-height:56px;
    box-shadow:0 -6px 20px rgba(14,42,36,.18);
  }
  .float-top{right:16px;bottom:72px;width:40px;height:40px;}
}
@media (max-width:480px){
  h1{font-size:26px;}
  .logo-text{font-size:15px;max-width:120px;}
  .hero-stats strong{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --ink:#0E2A24;
  --brand:#12564A;
  --accent:#C9F24D;
  --spark:#FF6B35;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E2E0D6;
  --text:#16201D;
  --muted:#5C6B66;
  --ok:#2E7D5B;
  --warn:#E0A800;
  --err:#C0392B;
  --sh1:0 1px 2px rgba(14,42,36,.06),0 2px 8px rgba(14,42,36,.05);
  --sh2:0 8px 24px rgba(14,42,36,.10);
  --r-card:16px;
  --r-hero:24px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:6px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  text-align:left;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;font-weight:800;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* 顶部阅读进度 */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:80;transition:width .1s linear;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;}
.nav-row1{background:var(--ink);height:64px;display:flex;align-items:center;}
.nav-inner{display:flex;align-items:center;gap:20px;width:100%;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--accent);display:grid;place-items:center;flex-shrink:0;}
.logo-mark svg{width:20px;height:20px;}
.logo-text{color:#fff;font-size:19px;font-weight:800;white-space:nowrap;}
.nav-search{display:flex;flex:1;max-width:420px;margin:0 auto;height:40px;border-radius:var(--r-input);overflow:hidden;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);transition:border-color .2s,box-shadow .2s;}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,242,77,.3);}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;padding:0 14px;font-size:14px;}
.nav-search input::placeholder{color:rgba(255,255,255,.5);}
.nav-search button{width:46px;border:0;background:var(--accent);color:var(--ink);cursor:pointer;font-size:14px;transition:background .2s;}
.nav-search button:hover{background:#bde63f;}
.nav-row2{background:var(--ink);border-top:1px solid rgba(255,255,255,.08);height:52px;display:flex;align-items:center;position:relative;}
.tabs{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;width:100%;}
.tabs::-webkit-scrollbar{display:none;}
.tab{flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.82);font-size:14px;transition:background .2s,color .2s,border-color .2s;white-space:nowrap;}
.tab:hover{background:rgba(255,255,255,.12);color:#fff;}
.tab.active{background:var(--accent);color:var(--ink);border-color:var(--accent);font-weight:700;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;font-size:15px;font-weight:700;line-height:1;cursor:pointer;transition:transform .2s,background .2s,color .2s,box-shadow .2s,border-color .2s;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:#bde63f;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:rgba(18,86,74,.08);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:#fff;color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* 文章头部 */
.article-hero{
  position:relative;
  background-image:linear-gradient(rgba(14,42,36,.93),rgba(14,42,36,.93)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:48px 0 56px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.9);}
.article-hero h1{font-size:40px;line-height:1.28;max-width:900px;margin-bottom:20px;}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums;}
.meta-row i{margin-right:6px;color:var(--accent);}

/* 布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding:56px 0 72px;align-items:start;}
.article-main{min-width:0;}

/* 正文排版 */
.article-body{max-width:760px;font-size:17.5px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1.15em;}
.article-body h2{font-size:26px;line-height:1.4;margin:2.2em 0 1.1em;padding-left:16px;position:relative;}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent);}
.article-body h3{font-size:20px;line-height:1.45;margin:1.9em 0 .8em;font-weight:700;}
.article-body h4{font-size:17px;margin:1.6em 0 .6em;font-weight:700;color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:0;}
.article-body li{position:relative;padding-left:22px;margin-bottom:.5em;}
.article-body ul>li::before{content:"";position:absolute;left:2px;top:.82em;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.article-body ol{counter-reset:cmsol;}
.article-body ol>li{counter-increment:cmsol;padding-left:30px;}
.article-body ol>li::before{content:counter(cmsol);position:absolute;left:0;top:.42em;width:20px;height:20px;border-radius:50%;background:rgba(18,86,74,.1);color:var(--brand);font-size:12px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;}
.article-body blockquote{margin:1.5em 0;padding:18px 22px;background:rgba(18,86,74,.06);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:var(--brand);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:1.6em 0;box-shadow:var(--sh1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(18,86,74,.35);}
.article-body a:hover{color:var(--spark);border-color:var(--spark);}
.article-body table{display:block;overflow-x:auto;max-width:100%;font-size:15px;margin:1.5em 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body thead th{background:rgba(18,86,74,.07);color:var(--brand);font-weight:700;}
.article-body tbody tr:nth-child(even){background:rgba(226,224,214,.28);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body strong{font-weight:700;color:var(--brand);}

/* 空态 */
.empty-state{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;box-shadow:var(--sh1);}
.empty-state i{font-size:34px;color:var(--muted);}
.empty-state p{margin:16px 0 20px;color:var(--muted);font-size:16px;}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:40px;padding-top:28px;border-top:1px solid var(--line);max-width:760px;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-badge);font-size:13px;line-height:1.7;font-weight:600;}
.badge-brand{background:rgba(18,86,74,.1);color:var(--brand);}
.badge-accent{background:var(--accent);color:var(--ink);}
.badge-spark{background:rgba(255,107,53,.14);color:#B84516;}
.tag-row .label{font-size:13px;color:var(--muted);margin-right:4px;}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;max-width:760px;}
.post-nav a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;transition:transform .25s,box-shadow .25s,border-color .25s;}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7);}
.post-nav .dir{display:block;font-size:12px;color:var(--muted);margin-bottom:8px;letter-spacing:.05em;}
.post-nav strong{font-size:16px;font-weight:700;display:block;line-height:1.5;}
.post-nav .next{text-align:right;}

/* 侧栏 */
.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh1);}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand);}
.toc-list a{display:block;padding:7px 0 7px 12px;border-left:2px solid var(--line);font-size:14px;color:var(--muted);line-height:1.6;transition:color .2s,border-color .2s,padding-left .2s;}
.toc-list a:hover{color:var(--brand);border-color:var(--accent);padding-left:16px;}
.toc-empty{font-size:14px;color:var(--muted);}
.hot-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);}
.hot-item:last-child{border-bottom:0;padding-bottom:0;}
.hot-item img{width:78px;height:56px;object-fit:cover;border-radius:10px;flex-shrink:0;}
.hot-item .hot-title{font-size:14px;line-height:1.55;font-weight:600;transition:color .2s;}
.hot-item:hover .hot-title{color:var(--brand);}
.hot-item .hot-meta{font-size:12px;color:var(--muted);margin-top:4px;font-variant-numeric:tabular-nums;}
.side-note{background:var(--ink);color:#fff;border-radius:var(--r-card);padding:24px;position:relative;overflow:hidden;}
.side-note::after{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;background:rgba(201,242,77,.14);}
.side-note h3{font-size:17px;margin-bottom:10px;color:#fff;}
.side-note p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:16px;line-height:1.75;}

/* 相关推荐 */
.related{padding:8px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:28px;}
.section-head p{font-size:15px;color:var(--muted);margin:8px 0 0;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;display:flex;flex-direction:column;}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7);}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .thumb img{transform:scale(1.03);}
.rel-card .rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:19px;line-height:1.4;}
.rel-card p{font-size:14.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.rel-card .rel-foot i{color:var(--brand);}

/* FAQ */
.faq-wrap{padding:72px 0 8px;}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:0 22px;box-shadow:var(--sh1);transition:border-color .25s;}
.faq-item[open]{border-color:rgba(201,242,77,.8);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;font-size:17px;font-weight:700;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--brand);transition:transform .2s ease;font-size:14px;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item .faq-answer{padding:0 0 20px 15px;border-left:3px solid var(--accent);font-size:16px;line-height:1.8;color:var(--muted);}
.faq-item .faq-answer p:last-child{margin-bottom:0;}

/* 内联 CTA */
.inline-cta{background:var(--ink);color:#fff;border-radius:var(--r-hero);padding:32px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden;margin-top:40px;}
.inline-cta::after{content:"";position:absolute;right:-40px;bottom:-60px;width:180px;height:180px;border-radius:50%;background:rgba(201,242,77,.12);}
.inline-cta h3{font-size:21px;margin-bottom:6px;color:#fff;}
.inline-cta p{margin:0;font-size:14.5px;color:rgba(255,255,255,.7);}
.inline-cta .cta-actions{display:flex;gap:12px;flex-shrink:0;position:relative;z-index:1;}

/* 末屏 CTA */
.final-cta{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:72px 0;margin-top:72px;}
.final-cta::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 12px);}
.final-cta .container{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;}
.final-cta h2{font-size:32px;line-height:1.35;margin-bottom:14px;color:#fff;}
.final-cta p{color:rgba(255,255,255,.74);font-size:16px;margin:0;}
.final-cta .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;}
.stat-strip .num{font-size:28px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-strip .lbl{font-size:13px;color:rgba(255,255,255,.62);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{font-size:18px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;margin:0;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;flex-wrap:wrap;}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.5);}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-links a:hover{color:var(--accent);}

/* 浮动 CTA */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:60;display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:var(--r-btn);background:var(--accent);color:var(--ink);font-weight:800;font-size:15px;box-shadow:var(--sh2);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s,background .2s;}
.float-cta.show{opacity:1;visibility:visible;transform:none;}
.float-cta:hover{background:#bde63f;transform:translateY(-2px);}
.float-cta .fc-sub{font-weight:600;opacity:.68;font-size:13px;}

@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:36px;}
  .sidebar{position:static;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .final-cta .container{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .site-header{position:relative;}
  .nav-row1{height:56px;}
  .nav-search{display:none;}
  .nav-inner{gap:12px;}
  .logo-text{font-size:17px;}
  .article-hero{padding:32px 0 40px;}
  .article-hero h1{font-size:28px;}
  .article-layout{padding:36px 0 48px;}
  .article-body{font-size:17px;max-width:100%;}
  .article-body h2{font-size:22px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .next{text-align:left;}
  .rel-grid{grid-template-columns:1fr;}
  .inline-cta{flex-direction:column;align-items:flex-start;padding:26px 24px;border-radius:18px;}
  .final-cta{padding:56px 0;}
  .final-cta h2{font-size:25px;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:16px;}
  .faq-wrap{padding:48px 0 8px;}
  .section-head h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .article-hero h1{font-size:24px;}
  .tabs{gap:8px;}
  .tab{padding:7px 13px;font-size:13px;}
  .float-cta{left:0;right:0;bottom:0;width:100%;border-radius:0;height:56px;justify-content:center;padding:0 18px;}
  .float-cta .fc-sub{display:none;}
  .stat-strip{grid-template-columns:1fr;}
  .inline-cta .cta-actions{width:100%;flex-direction:column;}
  .inline-cta .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink:#0E2A24;
  --brand:#12564A;
  --accent:#C9F24D;
  --spark:#FF6B35;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E2E0D6;
  --text:#16201D;
  --muted:#5C6B66;
  --ok:#2E7D5B;
  --warn:#E0A800;
  --err:#C0392B;
  --sh1:0 1px 2px rgba(14,42,36,.06),0 2px 8px rgba(14,42,36,.05);
  --sh2:0 8px 24px rgba(14,42,36,.10);
  --r-card:16px;
  --r-img:16px;
  --r-hero:24px;
  --r-input:12px;
  --r-badge:6px;
  --pad-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  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;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:#0b3f36;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-0.01em;line-height:1.35;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;letter-spacing:.01em;
  padding:14px 28px;font-size:16px;line-height:1;
  transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:#bde63a;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:rgba(18,86,74,.08);color:var(--brand);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;line-height:1;
  padding:6px 10px;border-radius:var(--r-badge);
  background:rgba(18,86,74,.08);color:var(--brand);
}
.badge-spark{background:rgba(255,107,53,.12);color:#c14a1c;}
.badge-accent{background:var(--accent);color:var(--ink);}
.tag{
  display:inline-block;font-size:12px;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r-badge);
  padding:5px 10px;background:var(--surface);
}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:40;background:var(--ink);}
.site-header.scrolled{box-shadow:var(--sh1);}
.nav-row1{border-bottom:1px solid rgba(255,255,255,.08);}
.nav-inner{
  display:flex;align-items:center;gap:20px;height:64px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.logo:hover{color:#fff;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap;}
.nav-search{
  flex:1;max-width:420px;display:flex;align-items:center;
  background:rgba(255,255,255,.08);border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.12);overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,242,77,.25);}
.nav-search input{
  flex:1;background:transparent;border:none;outline:none;color:#fff;
  padding:11px 14px;font-size:14px;min-width:0;
}
.nav-search input::placeholder{color:rgba(255,255,255,.55);}
.nav-search button{
  padding:0 14px;height:100%;color:var(--ink);background:var(--accent);
  font-size:14px;align-self:stretch;display:flex;align-items:center;
  transition:background-color .2s ease;
}
.nav-search button:hover{background:#bde63a;}
.nav-cta{margin-left:auto;flex-shrink:0;}

.nav-row2{z-index:40;}
.tabs{
  display:flex;gap:10px;align-items:center;height:52px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(to right,#000 calc(100% - 32px),transparent 100%);
  mask-image:linear-gradient(to right,#000 calc(100% - 32px),transparent 100%);
}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  flex-shrink:0;scroll-snap-align:start;
  font-size:14px;font-weight:600;line-height:1;
  padding:9px 16px;border-radius:999px;
  color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.18);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.tab:hover{background:rgba(255,255,255,.10);color:#fff;}
.tab.active{background:var(--accent);color:var(--ink);border-color:var(--accent);font-weight:700;}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  border-bottom-left-radius:var(--r-hero);border-bottom-right-radius:var(--r-hero);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,42,36,.72) 0%,rgba(14,42,36,.82) 100%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0 64px;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--accent);background:rgba(201,242,77,.12);
  border:1px solid rgba(201,242,77,.35);
  padding:7px 14px;border-radius:999px;
}
.hero h1{
  font-size:44px;line-height:1.25;margin:20px 0 16px;color:#fff;
  max-width:16em;
}
.hero-lead{
  font-size:18px;line-height:1.8;color:rgba(255,255,255,.86);
  max-width:640px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:24px;max-width:840px;
}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:var(--accent);line-height:1.2;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 通用板块 ============ */
.section{padding:var(--pad-section) 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:30px;line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;
  color:var(--brand);background:rgba(18,86,74,.08);
  padding:6px 12px;border-radius:var(--r-badge);margin-bottom:14px;text-transform:uppercase;
}

/* ============ 分类导语条 ============ */
.intro-strip{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh1);
  display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:flex-start;
}
.intro-strip .ic{
  width:48px;height:48px;border-radius:12px;background:rgba(18,86,74,.08);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:20px;
}
.intro-strip p{color:var(--muted);font-size:16px;line-height:1.8;}
.intro-strip strong{color:var(--text);}

/* ============ 步骤清单 + 右侧注释卡 ============ */
.step-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start;
}
.step-list{display:flex;flex-direction:column;gap:16px;}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.8);}
.step-no{
  width:48px;height:48px;border-radius:999px;background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:20px;line-height:1.4;margin-bottom:8px;}
.step-body p{color:var(--muted);font-size:15.5px;line-height:1.8;}
.step-note{
  display:flex;gap:8px;align-items:flex-start;margin-top:12px;
  font-size:13.5px;color:var(--brand);background:rgba(18,86,74,.06);
  border-left:3px solid var(--accent);border-radius:8px;padding:10px 14px;line-height:1.7;
}
.step-note i{margin-top:4px;}

.side-card{
  position:sticky;top:132px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh1);
}
.side-card h3{font-size:19px;margin-bottom:6px;}
.side-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);line-height:1.7;
}
.check-list li i{color:var(--ok);margin-top:5px;font-size:13px;}
.side-card .divider{height:1px;background:var(--line);margin:20px 0;}
.side-tip{
  background:rgba(201,242,77,.22);border-radius:12px;padding:14px 16px;
  font-size:13.5px;line-height:1.7;color:#2c4210;
}
.side-tip b{display:block;margin-bottom:4px;color:var(--ink);}
.side-cta{margin-top:20px;}

/* ============ 方式速览 ============ */
.method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.method-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.method-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.8);}
.method-card .mc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.method-card .mc-icon{
  width:44px;height:44px;border-radius:12px;background:rgba(18,86,74,.08);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:18px;
}
.method-card h3{font-size:20px;margin-bottom:10px;}
.method-card p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:16px;}
.method-card dl{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:14px;}
.method-card dt{color:var(--muted);}
.method-card dd{margin:0;color:var(--text);font-weight:600;}

/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{position:relative;}
.split-media img{border-radius:var(--r-hero);box-shadow:var(--sh2);width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media .float-card{
  position:absolute;left:-16px;bottom:-20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--sh2);min-width:190px;
}
.split-media .float-card b{display:block;font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;}
.split-media .float-card span{font-size:12.5px;color:var(--muted);}
.trouble-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.trouble-list li{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;display:flex;gap:12px;align-items:flex-start;
}
.trouble-list li i{color:var(--spark);margin-top:5px;}
.trouble-list b{display:block;font-size:15.5px;margin-bottom:2px;}
.trouble-list span{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ 证据区 ============ */
.proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:36px;}
.proof-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh1);
}
.proof-card b{display:block;font-size:34px;font-weight:800;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums;}
.proof-card span.u{font-size:14px;color:var(--muted);margin-left:4px;font-weight:600;}
.proof-card p{font-size:14.5px;color:var(--muted);margin-top:10px;line-height:1.75;}
.quote-scroll{display:flex;gap:20px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x proximity;}
.quote-scroll::-webkit-scrollbar{height:6px;}
.quote-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.quote-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);
}
.quote-card p{font-size:14.5px;line-height:1.8;color:var(--text);margin-bottom:14px;}
.quote-card .who{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.quote-card .who .av{
  width:30px;height:30px;border-radius:999px;background:rgba(18,86,74,.12);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;
}

/* ============ FAQ ============ */
.faq-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:10px 24px;box-shadow:var(--sh1);}
.faq-item{border-bottom:1px solid var(--line);padding:12px 0;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
  padding:10px 0;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chev{
  width:26px;height:26px;border-radius:999px;background:rgba(18,86,74,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0;
  transition:transform .2s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-item .answer{
  border-left:3px solid var(--accent);padding:2px 0 6px 16px;margin-bottom:8px;
  font-size:16px;line-height:1.8;color:var(--muted);
}

/* ============ 内联 CTA 条 ============ */
.inline-cta{
  margin-top:40px;background:var(--ink);border-radius:var(--r-card);
  padding:22px 26px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;color:#fff;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 10px);
}
.inline-cta p{font-size:16px;font-weight:700;}
.inline-cta span{display:block;font-size:13.5px;color:rgba(255,255,255,.7);font-weight:400;margin-top:4px;}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.8);color:inherit;}
.related-card img{width:120px;height:88px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.related-card h3{font-size:17px;margin-bottom:6px;color:var(--text);}
.related-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}
.related-card .go{font-size:13px;font-weight:700;color:var(--brand);margin-top:8px;display:inline-flex;gap:6px;align-items:center;}

/* ============ 末屏 CTA ============ */
.final-cta{
  background:var(--ink);color:#fff;border-radius:var(--r-hero);
  padding:56px 48px;text-align:left;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
}
.final-cta h2{font-size:32px;color:#fff;margin-bottom:14px;}
.final-cta p{color:rgba(255,255,255,.78);font-size:16.5px;max-width:640px;margin-bottom:28px;}
.final-cta .acts{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:none;align-items:center;gap:10px;
  background:var(--accent);color:var(--ink);font-weight:800;font-size:15px;
  padding:14px 22px;border-radius:999px;box-shadow:var(--sh2);
  transition:transform .2s ease,background-color .2s ease;
}
.float-cta.show{display:inline-flex;}
.float-cta:hover{background:#bde63a;color:var(--ink);transform:translateY(-2px);}
.back-top{
  position:fixed;right:24px;bottom:88px;z-index:60;display:none;
  width:44px;height:44px;border-radius:999px;background:var(--ink);color:#fff;
  align-items:center;justify-content:center;box-shadow:var(--sh2);
}
.back-top.show{display:flex;}
.back-top:hover{background:#0b3f36;color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-links a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero h1{font-size:40px;}
}
@media (max-width:1024px){
  :root{--pad-section:72px;}
  .step-layout{grid-template-columns:1fr;}
  .side-card{position:static;}
  .method-grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:36px;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .quote-card{flex:0 0 calc((100% - 20px)/2);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-search{max-width:300px;}
  .logo-text{font-size:17px;}
}
@media (max-width:768px){
  :root{--pad-section:56px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .nav-inner{height:56px;gap:12px;}
  .nav-search{display:none;}
  .logo-text{font-size:16px;white-space:normal;}
  .hero-inner{padding:52px 0 46px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .hero-stat b{font-size:22px;}
  .method-grid{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr;}
  .quote-card{flex:0 0 78%;}
  .related-grid{grid-template-columns:1fr;}
  .related-card img{width:96px;height:76px;}
  .final-cta{padding:40px 24px;}
  .final-cta h2{font-size:26px;}
  .section-head h2{font-size:24px;}
  .intro-strip{grid-template-columns:1fr;gap:14px;}
  .step-item{grid-template-columns:44px 1fr;gap:14px;padding:20px;}
  .step-no{width:40px;height:40px;font-size:15px;}
  .inline-cta{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .float-cta{right:0;left:0;bottom:0;width:100%;border-radius:14px 14px 0 0;justify-content:center;height:56px;padding:0;}
  .back-top{right:16px;bottom:72px;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .hero-stats{grid-template-columns:1fr;}
  .split-media .float-card{left:0;bottom:-14px;padding:12px 16px;min-width:150px;}
  .quote-card{flex:0 0 88%;}
  .faq-item summary{font-size:16px;}
}

/* roulang page: category3 */
:root{
  --ink:#0E2A24;
  --brand:#12564A;
  --accent:#C9F24D;
  --spark:#FF6B35;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E2E0D6;
  --text:#16201D;
  --muted:#5C6B66;
  --ok:#2E7D5B;
  --warn:#E0A800;
  --err:#C0392B;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:999px;
  --r-input:12px;
  --sh1:0 1px 2px rgba(14,42,36,.06),0 2px 8px rgba(14,42,36,.05);
  --sh2:0 8px 24px rgba(14,42,36,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:#0B4038}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--text)}
h2{font-size:30px;line-height:1.35}
h3{font-size:22px;line-height:1.45}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.15em;padding-left:1.2em}
li{margin-bottom:.4em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ============ 头部导航（与首页一致） ============ */
.site-header{position:sticky;top:0;z-index:50;background:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.nav-row1{min-height:64px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{display:flex;align-items:center;gap:20px;width:100%}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff}
.logo:hover{color:#fff}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--accent);display:grid;place-items:center;flex:0 0 auto}
.logo-mark svg{width:22px;height:22px;display:block}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text-short{display:none;font-size:17px;font-weight:800;white-space:nowrap}
.nav-search{flex:1 1 auto;max-width:400px;display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-input);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,242,77,.25)}
.nav-search input{flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:14px;padding:10px 14px;font-family:inherit}
.nav-search input::placeholder{color:rgba(255,255,255,.55)}
.nav-search button{flex:0 0 auto;background:transparent;border:0;color:#D8E4E0;padding:10px 14px;cursor:pointer;font-size:14px;transition:color .2s ease,background-color .2s ease}
.nav-search button:hover{color:var(--ink);background:var(--accent)}
.nav-cta{margin-left:auto;flex:0 0 auto}
.nav-row2{background:var(--ink);position:relative}
.nav-row2::after{content:"";position:absolute;right:0;top:0;bottom:0;width:32px;background:linear-gradient(90deg,rgba(14,42,36,0),var(--ink));pointer-events:none}
.tabs{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding-top:10px;padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);
  color:#D8E4E0;font-size:14px;font-weight:500;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
}
.tab:hover{color:#fff;border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.06)}
.tab.active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:700}
.tab:active{transform:translateY(1px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;padding:13px 24px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:#BEE63D;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(18,86,74,.08);color:var(--brand)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 内页头图 ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(14,42,36,.78)}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 10px,transparent 10px 20px);
}
.page-hero .container{position:relative;z-index:2}
.hero-inner{padding-top:72px;padding-bottom:64px;max-width:860px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.85)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{color:rgba(255,255,255,.4)}
.hero-title{font-size:44px;line-height:1.25;color:#fff;margin-bottom:18px}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:760px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-btn);
  font-size:13px;line-height:1;color:#E7EFEC;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
}
.tag i{color:var(--accent);font-size:12px}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.surface{background:var(--surface)}
.section.ink{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.section.ink::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 10px,transparent 10px 20px)}
.section.ink > .container{position:relative;z-index:2}
.sec-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:rgba(18,86,74,.08);
  border-radius:var(--r-btn);padding:6px 14px;margin-bottom:16px;
}
.section.ink .eyebrow{color:var(--ink);background:var(--accent)}
.sec-title{margin-bottom:.55em}
.sec-desc{color:var(--muted);font-size:16px;line-height:1.8}
.section.ink .sec-desc{color:rgba(255,255,255,.78)}
.section.ink .sec-title{color:#fff}

/* ============ 时间轴 + 注释卡 ============ */
.layout-2col{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;align-items:start}
.tl{position:relative;padding-left:0}
.tl::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--accent) 0%,rgba(201,242,77,.12) 100%);
}
.tl-item{position:relative;padding-left:64px;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-num{
  position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:50%;
  background:var(--accent);color:var(--ink);
  display:grid;place-items:center;font-size:15px;font-weight:800;
  box-shadow:0 0 0 6px rgba(201,242,77,.18);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7)}
.tl-card h3{font-size:20px;margin-bottom:10px}
.tl-card p{color:var(--muted);font-size:16px;line-height:1.8;margin:0}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:6px;
  background:rgba(18,86,74,.09);color:var(--brand);font-weight:700;
}
.badge-spark{background:rgba(255,107,53,.12);color:#B8451A}
.badge-ok{background:rgba(46,125,91,.12);color:var(--ok)}

.aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:136px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);
}
.side-card .side-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,86,74,.1);color:var(--brand);font-size:16px;margin-bottom:14px;
}
.side-card h4{font-size:16px;margin-bottom:8px}
.side-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.side-card ul{margin:0;padding-left:0;list-style:none}
.side-card li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--muted)}
.side-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--accent)}
.side-note{background:var(--ink);border-color:var(--ink)}
.side-note h4{color:#fff}
.side-note p{color:rgba(255,255,255,.76)}
.side-note .side-icon{background:var(--accent);color:var(--ink)}

/* ============ 卡片瀑布 ============ */
.waterfall{columns:3;column-gap:24px;margin-top:8px}
.wf-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh1);margin:0 0 24px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.wf-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7)}
.wf-cover{overflow:hidden;background:rgba(14,42,36,.08)}
.wf-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.wf-card:hover .wf-cover img{transform:scale(1.03)}
.wf-cover.tall img{aspect-ratio:4/3}
.wf-body{padding:22px}
.wf-body h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.wf-body p{font-size:15px;line-height:1.8;color:var(--muted);margin:0}
.wf-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.wf-foot span{font-size:12px;color:var(--muted)}
.wf-foot i{color:var(--brand);font-size:13px}

/* ============ 信息条 ============ */
.info-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--accent);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh1);
}
.info-bar .info-icon{
  width:44px;height:44px;border-radius:14px;flex:0 0 auto;
  background:rgba(201,242,77,.35);color:var(--ink);
  display:grid;place-items:center;font-size:18px;
}
.info-bar .info-text{flex:1 1 320px;min-width:0}
.info-bar .info-text strong{display:block;font-size:17px;margin-bottom:4px}
.info-bar .info-text p{margin:0;font-size:15px;color:var(--muted);line-height:1.75}
.info-bar .btn{flex:0 0 auto}

/* ============ FAQ ============ */
.faq{max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE0B0}
.faq-item[open]{box-shadow:var(--sh1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:10px;height:10px;margin-right:4px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{
  margin:0 24px 22px;padding-left:16px;border-left:3px solid var(--accent);
  font-size:16px;line-height:1.8;color:#3B4A46;
}
.faq-answer p{margin:0}

/* ============ 相关分类 ============ */
.relate-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.relate-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);height:100%;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.relate-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7);color:inherit}
.relate-card i{color:var(--brand);font-size:18px}
.relate-card strong{font-size:17px;font-weight:700;color:var(--text)}
.relate-card span{font-size:14px;line-height:1.7;color:var(--muted)}
.relate-card.current{background:#F0F7E4;border-color:var(--accent)}

/* ============ CTA 区块 ============ */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 10px,transparent 10px 20px)}
.cta-inner{position:relative;z-index:2;padding:80px 0;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:36px;align-items:center}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.8);font-size:16px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px}

/* ============ 内联 CTA 条 ============ */
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:36px;padding:20px 24px;border-radius:var(--r-card);
  background:rgba(18,86,74,.07);border:1px solid rgba(18,86,74,.14);
}
.inline-cta p{margin:0;font-size:15px;color:var(--brand);font-weight:600}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:var(--ink);font-weight:800;font-size:15px;
  padding:14px 22px;border-radius:var(--r-btn);box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:#BEE63D;color:var(--ink);transform:translateY(-1px)}
.float-cta i{font-size:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;position:relative;overflow:hidden}
.site-footer::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 10px,transparent 10px 20px)}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a,.footer-col span{color:rgba(255,255,255,.7);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding-top:22px}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.55)}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.65)}
.footer-links a:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .layout-2col{grid-template-columns:1fr;gap:28px}
  .aside{position:static;flex-direction:row;flex-wrap:wrap}
  .aside .side-card{flex:1 1 260px}
  .waterfall{columns:2}
  .relate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  body{font-size:16.5px}
  .container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  h2,.sec-title{font-size:24px}
  .nav-row1{min-height:56px}
  .nav-inner{gap:12px}
  .logo-text{display:none}
  .logo-text-short{display:inline}
  .nav-search{display:none}
  .nav-cta{margin-left:auto;padding:8px 16px;font-size:13px}
  .nav-row2{position:static}
  .hero-inner{padding-top:52px;padding-bottom:48px}
  .hero-title{font-size:30px}
  .hero-lead{font-size:16px}
  .page-hero::before{background:rgba(14,42,36,.82)}
  .waterfall{columns:1}
  .tl-item{padding-left:56px}
  .tl-num{width:36px;height:36px;font-size:14px}
  .tl::before{left:17px}
  .info-bar{padding:20px}
  .info-bar .btn{width:100%}
  .relate-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{right:16px;bottom:16px;padding:11px 16px;font-size:13px}
}
@media (max-width:480px){
  .hero-title{font-size:26px}
  .cta-inner{padding:56px 0}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-answer{margin:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .float-cta{left:16px;right:16px;justify-content:center}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0E2A24;
  --brand:#12564A;
  --accent:#C9F24D;
  --spark:#FF6B35;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E2E0D6;
  --text:#16201D;
  --muted:#5C6B66;
  --ok:#2E7D5B;
  --warn:#E0A800;
  --err:#C0392B;
  --sh1:0 1px 2px rgba(14,42,36,.06),0 2px 8px rgba(14,42,36,.05);
  --sh2:0 8px 24px rgba(14,42,36,.10);
  --r-card:16px;
  --r-hero:24px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:6px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:#0d3f36;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text);}
h1{font-size:44px;line-height:1.25;font-weight:800;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:22px;line-height:1.45;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--surface{background:var(--surface);}
.section--tight{padding-top:72px;padding-bottom:72px;}
.section--line{border-top:1px solid var(--line);}

.sec-head{max-width:780px;margin-bottom:48px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--brand);background:rgba(18,86,74,.08);
  padding:5px 12px;border-radius:var(--r-badge);margin-bottom:16px;
}
.sec-title{font-size:30px;margin-bottom:16px;}
.sec-desc{color:var(--muted);font-size:17px;margin:0;max-width:760px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;border-radius:var(--r-btn);
  padding:14px 28px;font-size:16px;font-weight:700;line-height:1;
  cursor:pointer;white-space:nowrap;text-decoration:none;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,
             border-color .18s ease,box-shadow .18s ease,opacity .18s ease;
}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:#bde63f;color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:rgba(18,86,74,.08);color:var(--brand);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-badge);padding:4px 10px;
  font-size:12px;font-weight:800;line-height:1.6;
}
.badge-accent{background:rgba(201,242,77,.42);color:#3d5c12;}
.badge-brand{background:rgba(18,86,74,.10);color:var(--brand);}
.badge-spark{background:rgba(255,107,53,.14);color:#b8420f;}

/* ============ 双层导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--ink);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(14,42,36,.28);}
.nav-row1{border-bottom:1px solid rgba(255,255,255,.08);}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--accent);display:grid;place-items:center;
}
.logo-mark svg{width:20px;height:20px;display:block;}
.logo-text{
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:#fff;white-space:nowrap;
}
.nav-search{
  flex:1 1 auto;max-width:400px;margin:0 auto;
  display:flex;align-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-input);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,242,77,.35);}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;color:#fff;
  padding:10px 14px;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.5);}
.nav-search button{
  border:0;background:transparent;color:rgba(255,255,255,.78);
  padding:10px 14px;font-size:14px;transition:color .2s ease;
}
.nav-search button:hover{color:var(--accent);}
.nav-cta{flex:none;}

.nav-row2{
  position:relative;background:var(--ink);z-index:40;
}
.nav-row2::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:32px;
  background:linear-gradient(90deg,rgba(14,42,36,0),var(--ink));
  pointer-events:none;
}
.tabs{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:none;scroll-snap-align:start;
  padding:8px 18px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.82);font-size:14px;font-weight:600;
  text-decoration:none;transition:all .2s ease;
}
.tab:hover{border-color:var(--accent);color:#fff;}
.tab.active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:800;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:88px 0 72px;
  background-image:linear-gradient(rgba(14,42,36,.80),rgba(14,42,36,.88)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 2px,transparent 2px 12px);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:24px;
}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:var(--accent);}
.crumb span.sep{color:rgba(255,255,255,.35);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.5);
  color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.06em;
  padding:5px 14px;border-radius:var(--r-badge);margin-bottom:20px;
}
.hero-title{font-size:44px;line-height:1.25;color:#fff;margin:0 0 20px;max-width:920px;}
.hero-sub{
  font-size:18px;line-height:1.8;color:rgba(255,255,255,.82);
  max-width:760px;margin:0 0 34px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:56px;padding-top:32px;border-top:1px solid rgba(255,255,255,.16);
}
.stat-num{
  font-size:34px;font-weight:800;line-height:1.1;color:var(--accent);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:6px;line-height:1.6;}

/* ============ 导语条 ============ */
.intro-strip{background:var(--surface);border-bottom:1px solid var(--line);}
.intro-strip .container{padding-top:36px;padding-bottom:36px;}
.intro-text{
  max-width:860px;font-size:17px;line-height:1.9;color:var(--text);margin:0;
}
.intro-text strong{color:var(--brand);font-weight:800;}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh2);
}
.split-body .sec-title{margin-bottom:16px;}

.num-list{display:grid;gap:18px;margin-top:28px;}
.num-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.num-item:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.9);}
.num-dot{
  flex:none;width:38px;height:38px;border-radius:var(--r-btn);
  background:var(--accent);color:var(--ink);
  display:grid;place-items:center;font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.num-item h3{font-size:18px;margin-bottom:6px;line-height:1.45;}
.num-item p{font-size:15px;color:var(--muted);line-height:1.75;margin:0;}

/* ============ 对照表 ============ */
.compare-card{
  margin-top:40px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-hero);
  padding:10px;box-shadow:var(--sh1);overflow:hidden;
}
.compare-table{width:100%;font-size:16px;}
.compare-table caption{text-align:left;padding:12px 18px 6px;color:var(--muted);font-size:14px;}
.compare-table th,
.compare-table td{
  padding:18px 20px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--line);line-height:1.75;
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table thead th{
  font-size:15px;font-weight:800;color:var(--brand);
  background:rgba(18,86,74,.06);
}
.compare-table thead th:first-child{background:transparent;color:var(--muted);}
.compare-table thead th:nth-child(2){background:rgba(201,242,77,.28);color:var(--ink);}
.compare-table tbody th[scope="row"]{
  width:150px;font-weight:800;color:var(--text);font-size:15px;
  background:rgba(246,245,240,.7);
}
.compare-table tbody td:nth-child(2){background:rgba(201,242,77,.10);}
.compare-note{
  margin-top:20px;font-size:14px;color:var(--muted);
  display:flex;gap:10px;align-items:flex-start;
}
.compare-note i{color:var(--spark);margin-top:4px;}

/* ============ 步骤时间轴 ============ */
.steps{
  margin-top:44px;padding-left:34px;
  border-left:2px dashed var(--line);
  display:grid;gap:30px;
}
.step{position:relative;}
.step::before{
  content:"";position:absolute;left:-45px;top:8px;
  width:20px;height:20px;border-radius:50%;
  background:var(--accent);border:4px solid var(--bg);
  box-sizing:content-box;
}
.step-index{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--spark);
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.step h3{font-size:20px;margin-bottom:8px;}
.step p{font-size:16px;color:var(--muted);margin:0;max-width:760px;}

/* ============ 问题卡片 ============ */
.issue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;}
.issue-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--sh1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.issue-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.9);}
.issue-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.issue-icon{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:rgba(18,86,74,.09);color:var(--brand);
  display:grid;place-items:center;font-size:16px;
}
.issue-card h3{font-size:19px;line-height:1.45;}
.issue-card p{font-size:15px;color:var(--muted);line-height:1.8;margin:0;}
.issue-fix{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:14px;color:var(--brand);font-weight:700;
  display:flex;gap:8px;align-items:flex-start;
}
.issue-fix i{margin-top:4px;}

/* ============ 安全清单 ============ */
.check-list{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:16px 40px;margin-top:36px;
}
.check-list li{
  position:relative;padding-left:26px;font-size:16px;line-height:1.8;color:var(--text);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:10px;height:10px;border-radius:3px;
  background:var(--accent);border:1.5px solid var(--brand);
}
.tip-band{
  margin-top:36px;display:flex;gap:14px;align-items:flex-start;
  background:rgba(18,86,74,.06);border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;padding:18px 22px;
  font-size:15px;color:var(--muted);line-height:1.8;
}
.tip-band i{color:var(--brand);margin-top:4px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;margin-top:40px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(18,86,74,.28);}
.faq-item[open]{box-shadow:var(--sh1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(18,86,74,.08);color:var(--brand);
  display:grid;place-items:center;font-size:12px;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--accent);color:var(--ink);}
.faq-body{
  margin:0 24px 20px;padding-left:16px;
  border-left:3px solid var(--accent);
  font-size:16px;line-height:1.8;color:var(--muted);
}

/* ============ 内联 CTA 条 ============ */
.inline-cta{
  margin-top:40px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.6);
  border-radius:var(--r-card);padding:20px 24px;
}
.inline-cta p{margin:0;font-size:16px;font-weight:700;color:var(--ink);}
.inline-cta .inline-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 末屏 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;border-radius:var(--r-hero);
  padding:56px;display:grid;grid-template-columns:1.5fr auto;
  gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 2px,transparent 2px 12px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;}
.related-card{
  display:block;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.9);color:inherit;}
.related-thumb{overflow:hidden;}
.related-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:20px 22px 24px;}
.related-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.related-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 14px;}
.related-more{
  font-size:14px;font-weight:800;color:var(--brand);
  display:inline-flex;align-items:center;gap:8px;
}
.related-more i{transition:transform .2s ease;}
.related-card:hover .related-more i{transform:translateX(4px);}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-width:176px;padding:15px 24px;
  background:var(--accent);color:var(--ink);
  font-size:15px;font-weight:800;border-radius:var(--r-btn);
  box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#bde63f;color:var(--ink);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{
  font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);
  max-width:330px;margin:0;
}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a,.footer-col span{color:rgba(255,255,255,.68);font-size:14px;line-height:1.7;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;padding:24px 0;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0;}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-links a{color:rgba(255,255,255,.6);}
.footer-links a:hover{color:var(--accent);}

/* ============ 断点：1024 ============ */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:36px;}
  .hero-title{font-size:38px;}
  .issue-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:48px 40px;}
}

/* ============ 断点：768 ============ */
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .site-header{position:static;}
  .nav-inner{height:56px;gap:14px;}
  .logo-text{font-size:16px;}
  .nav-search{display:none;}
  .nav-cta{margin-left:auto;}
  .tabs{height:48px;}
  .tab{padding:7px 14px;font-size:13px;}

  .page-hero{padding:56px 0 48px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px;}
  .stat-num{font-size:28px;}

  .sec-title{font-size:24px;}
  h3{font-size:19px;}

  /* 对照表转卡片 */
  .compare-card{background:transparent;border:0;box-shadow:none;padding:0;margin-top:32px;}
  .compare-table caption{display:none;}
  .compare-table,
  .compare-table tbody,
  .compare-table tr,
  .compare-table th,
  .compare-table td{display:block;width:100%;}
  .compare-table thead{display:none;}
  .compare-table tbody tr{
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-card);padding:16px 18px;margin-bottom:14px;
    box-shadow:var(--sh1);
  }
  .compare-table tbody th[scope="row"]{
    width:auto;padding:0 0 12px;border:0;background:transparent;
    font-size:17px;font-weight:800;color:var(--text);
  }
  .compare-table tbody td{
    padding:12px 0 0;border:0;border-top:1px dashed var(--line);
    background:transparent;
  }
  .compare-table tbody td:nth-child(2){background:transparent;}
  .compare-table tbody td::before{
    content:attr(data-label);display:block;
    font-size:12px;font-weight:800;letter-spacing:.04em;
    color:var(--brand);margin-bottom:4px;
  }

  .steps{padding-left:26px;gap:26px;}
  .step::before{left:-37px;width:16px;height:16px;border-width:4px;}

  .check-list{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .inline-cta{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:40px 28px;}
  .cta-band h2{font-size:24px;}

  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .site-footer{padding-top:56px;}
}

/* ============ 断点：480 ============ */
@media (max-width:480px){
  .container{padding:0 16px;}
  .logo-text{font-size:14px;}
  .logo-mark{width:30px;height:30px;}
  .logo-mark svg{width:18px;height:18px;}
  .nav-cta{padding:9px 14px;font-size:13px;}

  .page-hero{padding:44px 0 40px;}
  .hero-title{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .stat-num{font-size:24px;}

  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-body{margin:0 18px 18px;}

  .float-cta{
    left:12px;right:12px;bottom:12px;min-width:0;
    border-radius:14px;padding:16px;
  }
  .cta-actions .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --ink:#0E2A24;
  --brand:#12564A;
  --accent:#C9F24D;
  --spark:#FF6B35;
  --bg:#F6F5F0;
  --surface:#FFFFFF;
  --line:#E2E0D6;
  --text:#16201D;
  --muted:#5C6B66;
  --ok:#2E7D5B;
  --warn:#E0A800;
  --err:#C0392B;
  --r-card:16px;
  --r-img:16px;
  --r-hero:24px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:6px;
  --sh1:0 1px 2px rgba(14,42,36,.06), 0 2px 8px rgba(14,42,36,.05);
  --sh2:0 8px 24px rgba(14,42,36,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--accent);color:var(--ink)}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--ink);padding:10px 16px;border-radius:0 0 10px 0;z-index:99}
.skip:focus{left:0}

/* ============ 容器与通用 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sect{padding:96px 0}
.sect-alt{background:#F1EFE8}
.sect-head{max-width:820px;margin-bottom:44px}
.sect-head h2{
  font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
  margin:14px 0 12px;
}
.sect-head p{color:var(--muted);font-size:16px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:var(--r-badge);
  background:rgba(201,242,77,.35);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.eyebrow.warm{background:rgba(255,107,53,.14);color:#B23F14}
.num{font-variant-numeric:tabular-nums;font-family:var(--mono),var(--font)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(.94);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(18,86,74,.08);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-md{height:46px;padding:0 24px;font-size:15px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;
  color:var(--brand);border-bottom:2px solid var(--accent);padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.btn-link:hover{color:var(--ink);border-color:var(--brand)}

/* ============ 头部双层导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:var(--ink);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,42,36,.22)}
.nav-row1{height:64px;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{display:flex;align-items:center;gap:20px;height:100%}
.logo{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;
  color:#fff;font-size:19px;font-weight:800;letter-spacing:-.01em;
  transition:opacity .18s ease;
}
.logo:hover{opacity:.88}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--accent);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{white-space:nowrap}
.nav-search{
  flex:1 1 auto;max-width:420px;margin:0 auto;
  display:flex;align-items:center;gap:6px;height:40px;
  padding:0 5px 0 14px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-input);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--accent);background:rgba(255,255,255,.12);box-shadow:0 0 0 3px rgba(201,242,77,.18)}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;background:transparent;border:0;outline:none;
  color:#fff;font-size:14px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.55)}
.nav-search input::-webkit-search-cancel-button{display:none}
.nav-search button{
  width:32px;height:32px;flex:0 0 auto;border:0;border-radius:9px;
  background:var(--accent);color:var(--ink);cursor:pointer;
  display:grid;place-items:center;font-size:13px;
  transition:transform .15s ease,filter .15s ease;
}
.nav-search button:hover{filter:brightness(.93)}
.nav-search button:active{transform:translateY(1px)}
.nav-cta{flex:0 0 auto}
.nav-row2{position:relative;height:52px;background:var(--ink)}
.nav-row2::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:32px;pointer-events:none;
  background:linear-gradient(90deg,rgba(14,42,36,0),var(--ink));
}
.tabs{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.82);font-size:14px;white-space:nowrap;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.tab:hover{color:#fff;border-color:rgba(201,242,77,.6);background:rgba(201,242,77,.08)}
.tab.active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:700}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:72px 0 96px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.32;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px;
}
.crumb a{transition:color .18s ease}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.6}
.crumb .current{color:#fff;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.01em;
  max-width:900px;
}
.page-hero h1 em{
  font-style:normal;color:var(--accent);
}
.page-hero .lede{
  margin-top:20px;max-width:760px;
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:44px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.16);
}
.fact b{
  display:block;font-size:28px;line-height:1.2;font-weight:800;
  font-variant-numeric:tabular-nums;font-family:var(--mono),var(--font);
  color:var(--accent);
}
.fact span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72)}

/* ============ 快速自查条 ============ */
.quick-wrap{margin-top:-52px;position:relative;z-index:3;padding-bottom:0}
.quick-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh2);
  padding:30px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.quick-item{display:flex;gap:14px;align-items:flex-start}
.quick-item .qno{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  background:rgba(201,242,77,.45);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.quick-item h3{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:4px}
.quick-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ============ 图文交错问答 ============ */
.qa-list-block{max-width:1040px;margin:0 auto}
.qa-item{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:48px 0;border-top:1px dashed var(--line);
}
.qa-item:first-child{border-top:0;padding-top:8px}
.qa-item:last-child{padding-bottom:8px}
.qa-item:nth-child(even) .qa-media{order:2}
.qa-media{
  border-radius:var(--r-img);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh1);
  transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease;
}
.qa-media:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7)}
.qa-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.qa-media:hover img{transform:scale(1.03)}
.qa-media figcaption{
  padding:12px 16px;font-size:13px;color:var(--muted);background:#fff;
  border-top:1px solid var(--line);
}
.qa-body h3{font-size:22px;line-height:1.45;font-weight:700;margin:14px 0 12px}
.qa-body > p{font-size:16px;color:var(--muted);margin-bottom:16px}
.qa-steps li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;line-height:1.75;padding:9px 0;
  border-bottom:1px dashed rgba(226,224,214,.9);
}
.qa-steps li:last-child{border-bottom:0}
.qa-steps .dot{
  flex:0 0 auto;width:24px;height:24px;margin-top:3px;border-radius:50%;
  background:var(--accent);color:var(--ink);
  display:grid;place-items:center;font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.tip{
  margin-top:18px;display:flex;gap:10px;align-items:flex-start;
  background:rgba(201,242,77,.22);border-left:3px solid var(--accent);
  border-radius:10px;padding:12px 14px;font-size:14.5px;line-height:1.75;color:var(--brand);
}
.tip i{margin-top:5px;color:var(--brand)}

/* ============ 处理路径 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7)}
.step:hover::after{transform:scaleX(1)}
.step .no{
  width:38px;height:38px;border-radius:50%;background:rgba(201,242,77,.45);
  display:grid;place-items:center;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ============ FAQ 手风琴 ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq:hover{border-color:rgba(18,86,74,.28)}
.faq[open]{border-color:rgba(201,242,77,.85);box-shadow:var(--sh1)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:17px;font-weight:700;line-height:1.55;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(201,242,77,.4);color:var(--ink);
  display:grid;place-items:center;font-size:12px;
  transition:transform .2s ease,background-color .2s ease;
}
.faq[open] summary .chev{transform:rotate(180deg);background:var(--accent)}
.faq-body{
  margin:0 22px 18px 22px;padding:2px 0 2px 16px;
  border-left:3px solid var(--accent);
  font-size:16px;line-height:1.8;color:var(--muted);
}

/* ============ 末屏 CTA ============ */
.cta-band{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:84px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.24;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1}
.cta-inner{max-width:720px}
.cta-inner h2{font-size:32px;line-height:1.35;font-weight:800;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(201,242,77,.7)}
.rel-card .thumb{overflow:hidden;aspect-ratio:16/9;background:#EDEBE3}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rel-card h3{font-size:18px;font-weight:700;line-height:1.45}
.rel-card p{font-size:14.5px;color:var(--muted);line-height:1.7;flex:1 1 auto}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;font-weight:700;
  background:rgba(18,86,74,.1);color:var(--brand);
}
.badge.warm{background:rgba(255,107,53,.14);color:#B23F14}
.badge.accent{background:rgba(201,242,77,.45);color:var(--ink)}

/* ============ 内联 CTA 条 ============ */
.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:44px;padding:20px 24px;
  background:var(--ink);border-radius:var(--r-card);color:#fff;
}
.inline-cta p{font-size:15px;color:rgba(255,255,255,.86)}
.inline-cta p strong{color:var(--accent)}

/* ============ 状态样式 ============ */
.skeleton{background:rgba(14,42,36,.08);border-radius:12px;position:relative;overflow:hidden}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.65),transparent);
  animation:shimmer 1.4s infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.empty{
  text-align:center;padding:52px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty i{font-size:30px;color:var(--brand);opacity:.7}
.empty p{margin:14px 0 18px;color:var(--muted);font-size:15px}
.note-ok,.note-err{
  display:flex;gap:10px;align-items:flex-start;border-radius:10px;
  padding:12px 14px;font-size:14.5px;line-height:1.7;
}
.note-ok{background:rgba(46,125,91,.1);border-left:3px solid var(--ok);color:#1F5A40}
.note-err{background:rgba(192,57,43,.08);border-left:3px solid var(--err);color:#8E2A20}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 26px;position:relative}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px;font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-col ul li a{transition:color .18s ease}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{transition:color .18s ease}
.footer-links a:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .sect{padding:72px 0}
  .page-hero{padding:60px 0 84px}
  .page-hero h1{font-size:36px}
  .qa-item{gap:32px}
  .quick-card{grid-template-columns:repeat(2,1fr);gap:22px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .sect{padding:56px 0}
  .nav-row1{height:56px}
  .nav-inner{gap:12px}
  .nav-search{display:none}
  .logo-text{font-size:16px}
  .logo-mark{width:30px;height:30px;border-radius:9px}
  .page-hero{padding:44px 0 76px}
  .page-hero::before{opacity:.42}
  .page-hero h1{font-size:30px}
  .page-hero .lede{font-size:15.5px;margin-top:16px}
  .hero-facts{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:34px}
  .fact b{font-size:24px}
  .sect-head h2{font-size:24px}
  .qa-item{grid-template-columns:1fr;gap:22px;padding:36px 0}
  .qa-item:nth-child(even) .qa-media{order:0}
  .qa-body h3{font-size:19px}
  .steps{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .quick-card{padding:24px 20px}
  .cta-inner h2{font-size:25px}
  .inline-cta{padding:18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .quick-card{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .faq summary{font-size:16px;padding:16px 18px;gap:12px}
  .faq-body{margin:0 18px 16px 18px;padding-left:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}