/* roulang page: index */
:root{
  --brand-600:#0B8F63;
  --brand-500:#12C08A;
  --brand-400:#35D9A3;
  --brand-100:#E6F9F0;
  --lime-500:#9BE23C;
  --accent-500:#FF6A2B;
  --accent-600:#E8551A;
  --accent-100:#FFEDE4;
  --ink-900:#0D1512;
  --ink-700:#2A3A34;
  --ink-500:#5C6E67;
  --ink-300:#A9B6B0;
  --bg:#F4F7F4;
  --bg-card:#FFFFFF;
  --bg-dark:#0D1512;
  --line:#E2EAE4;
  --grad:linear-gradient(120deg,#12C08A 0%,#9BE23C 100%);
  --grad-dark:linear-gradient(135deg,#0D1512 0%,#123A2C 100%);
  --shadow-card:0 8px 24px rgba(13,21,18,.06);
  --shadow-float:0 12px 32px rgba(13,21,18,.12);
  --shadow-hover:0 18px 40px rgba(18,192,138,.18);
  --radius-btn:14px;
  --radius-card:20px;
  --radius-lg:28px;
  --dock-offset:76px;
}
@media (min-width:1024px){ :root{ --dock-offset:96px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:var(--brand-600); text-decoration:none; text-underline-offset:4px; }
a:hover{ text-decoration:underline; }
button,input,select,textarea{ font:inherit; color:inherit; }
h1,h2,h3,h4{ color:var(--ink-900); margin:0; font-weight:700; }
p{ margin:0; }
:focus-visible{ outline:2px solid var(--brand-500); outline-offset:2px; border-radius:6px; }

.container{ width:100%; max-width:1200px; margin:0 auto; padding-left:20px; padding-right:20px; }
@media (min-width:640px){ .container{ padding-left:24px; padding-right:24px; } }
@media (min-width:1024px){ .container{ padding-left:32px; padding-right:32px; } }

.page-main{ padding-top:var(--dock-offset); }
.section{ padding-top:56px; padding-bottom:56px; }
@media (min-width:1024px){ .section{ padding-top:88px; padding-bottom:88px; } }
@media (min-width:1280px){ .section{ padding-top:112px; padding-bottom:112px; } }

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:min(1080px,100%);
  height:64px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 14px 0 16px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow-float);
  transition:height .25s ease, background .25s ease;
}
.dock.is-shrink .dock-inner{ height:56px; }
.dock-logo{ display:flex; align-items:center; gap:10px; flex:0 0 auto; text-decoration:none; }
.dock-logo:hover{ text-decoration:none; }
.logo-mark{
  width:34px; height:34px; border-radius:11px;
  background:var(--grad);
  color:#fff; font-weight:800; font-size:17px;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 16px rgba(18,192,138,.32);
  letter-spacing:-.02em;
}
.logo-text{ display:flex; flex-direction:column; line-height:1.05; }
.logo-text strong{ font-size:15px; font-weight:800; color:var(--ink-900); letter-spacing:-.01em; }
.logo-text em{ font-style:normal; font-size:11px; font-weight:700; color:var(--brand-600); letter-spacing:.06em; }
.dock-nav{ display:none; align-items:center; gap:4px; margin-left:6px; flex:1 1 auto; }
@media (min-width:1024px){ .dock-nav{ display:flex; } }
.dock-link{
  display:inline-flex; align-items:center; height:38px; padding:0 14px;
  border-radius:999px; font-size:14px; font-weight:600; color:var(--ink-700);
  white-space:nowrap; transition:background .16s ease, color .16s ease;
}
.dock-link:hover{ background:var(--brand-100); color:var(--brand-600); text-decoration:none; }
.dock-link.active{ background:var(--brand-100); color:var(--brand-600); }
.dock-actions{ display:flex; align-items:center; gap:8px; margin-left:auto; flex:0 0 auto; }
.dock-icon-btn{
  width:40px; height:40px; border-radius:999px; border:1px solid var(--line);
  background:#fff; color:var(--ink-500); display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:all .18s ease;
}
.dock-icon-btn:hover{ color:var(--brand-600); border-color:rgba(18,192,138,.45); background:var(--brand-100); }
.dock-burger{ display:flex; }
@media (min-width:1024px){ .dock-burger{ display:none; } }
.dock-cta{ display:none; }
@media (min-width:640px){ .dock-cta{ display:inline-flex; } }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:48px; padding:0 22px; border-radius:var(--radius-btn);
  font-size:15px; font-weight:700; border:1px solid transparent; cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-decoration:none;
}
.btn:hover{ text-decoration:none; }
.btn-main{ background:var(--accent-500); color:#fff; box-shadow:0 10px 22px rgba(255,106,43,.28); }
.btn-main:hover{ background:#ff7d45; transform:translateY(-2px); box-shadow:0 16px 30px rgba(255,106,43,.34); }
.btn-main:active{ transform:scale(.98); }
.btn-ghost{ background:#fff; color:var(--brand-600); border-color:rgba(11,143,99,.4); }
.btn-ghost:hover{ background:var(--brand-100); transform:translateY(-2px); }
.btn-ghost:active{ transform:scale(.98); }
.btn-sm{ height:40px; padding:0 18px; font-size:14px; border-radius:12px; }
.btn-block{ width:100%; }
@media (min-width:640px){ .btn-block-sm{ width:auto; } }

/* ---------- 抽屉菜单 ---------- */
.dock-drawer{
  position:fixed; inset:0; z-index:90;
  background:rgba(255,255,255,.98);
  backdrop-filter:blur(6px);
  display:none; flex-direction:column;
  padding:20px 20px 28px;
}
.dock-drawer.is-open{ display:flex; }
.drawer-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.drawer-links{ display:flex; flex-direction:column; }
.drawer-links a{
  display:flex; align-items:center; min-height:52px; font-size:16px; font-weight:600;
  color:var(--ink-900); border-bottom:1px solid var(--line); text-decoration:none;
}
.drawer-links a.active{ color:var(--brand-600); }
.drawer-foot{ margin-top:auto; padding-top:20px; }

/* ---------- Hero ---------- */
.hero-section{ padding-top:8px; padding-bottom:8px; }
.hero-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--grad-dark);
  box-shadow:var(--shadow-float);
  isolation:isolate;
}
.hero-card::before{
  content:"";
  position:absolute; inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover; background-position:center;
  opacity:.34; z-index:-2;
}
.hero-card::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(120deg,rgba(13,21,18,.94) 0%,rgba(11,143,99,.72) 52%,rgba(155,226,60,.42) 100%);
  z-index:-1;
}
.hero-grid{
  display:grid; gap:32px;
  padding:36px 24px 40px;
}
@media (min-width:768px){ .hero-grid{ padding:48px 36px 52px; } }
@media (min-width:1024px){
  .hero-grid{ grid-template-columns:7fr 5fr; align-items:center; gap:40px; padding:56px 52px; }
}
@media (min-width:1280px){ .hero-grid{ padding:64px 60px; min-height:600px; } }
.hero-h1{
  color:#fff;
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-h1 .hl{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-sub{
  color:rgba(255,255,255,.86);
  font-size:clamp(15px,1.6vw,18px);
  line-height:1.75;
  max-width:560px;
  margin-bottom:26px;
}
.hero-cta{ display:flex; flex-wrap:wrap; gap:12px; margin-bottom:28px; }
.hero-badges{ display:flex; flex-wrap:wrap; gap:10px; }
.badge{
  display:inline-flex; align-items:center; gap:7px;
  height:30px; padding:0 14px; border-radius:999px;
  font-size:12px; font-weight:700; letter-spacing:.02em;
}
.badge-grad{ background:var(--grad); color:#0D1512; }
.badge-soft{ background:rgba(230,249,240,.16); color:#E6F9F0; border:1px solid rgba(230,249,240,.28); }
.badge-dot{ width:7px; height:7px; border-radius:999px; background:currentColor; opacity:.75; }
.badge-num{ font-variant-numeric:tabular-nums; font-weight:800; letter-spacing:-.02em; }

.hero-visual{ position:relative; }
.hero-figure{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 24px 48px rgba(0,0,0,.28);
  background:#0D1512;
}
.hero-figure img{ width:100%; aspect-ratio:4/3; object-fit:cover; }
.hero-float-card{
  position:absolute; right:-6px; bottom:-16px;
  background:#fff; border-radius:16px; padding:14px 18px;
  box-shadow:var(--shadow-float);
  border:1px solid var(--line);
  min-width:168px;
}
@media (min-width:768px){ .hero-float-card{ right:18px; bottom:-22px; } }
.hero-float-label{ font-size:12px; color:var(--ink-500); font-weight:600; }
.hero-float-value{
  font-size:26px; font-weight:800; color:var(--ink-900);
  font-variant-numeric:tabular-nums; letter-spacing:-.02em; line-height:1.2;
}
.hero-float-value span{ font-size:13px; font-weight:600; color:var(--ink-500); margin-left:4px; }

/* ---------- 信任数据条 ---------- */
.trust-bar{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  display:grid;
  grid-template-columns:1fr;
  overflow:hidden;
}
@media (min-width:640px){ .trust-bar{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1024px){ .trust-bar{ grid-template-columns:repeat(4,1fr); } }
.trust-item{
  padding:22px 24px;
  border-top:1px solid var(--line);
}
.trust-item:first-child{ border-top:none; }
@media (min-width:640px){
  .trust-item{ border-top:none; border-left:1px solid var(--line); }
  .trust-item:nth-child(odd){ border-left:none; }
  .trust-item:nth-child(n+3){ border-top:1px solid var(--line); }
}
@media (min-width:1024px){
  .trust-item{ border-top:none !important; border-left:1px solid var(--line); }
  .trust-item:first-child{ border-left:none; }
}
.trust-num{
  font-size:clamp(24px,3vw,32px); font-weight:800; color:var(--ink-900);
  font-variant-numeric:tabular-nums; letter-spacing:-.02em; line-height:1.2;
}
.trust-num small{ font-size:14px; font-weight:700; color:var(--brand-600); margin-left:4px; }
.trust-desc{ font-size:13px; color:var(--ink-500); margin-top:4px; }

/* ---------- 通用标题组 ---------- */
.sec-head{
  display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between;
  gap:16px; margin-bottom:28px;
}
@media (min-width:1024px){ .sec-head{ margin-bottom:36px; } }
.sec-kicker{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px; font-weight:700; color:var(--brand-600);
  letter-spacing:.08em; text-transform:uppercase; margin-bottom:8px;
}
.sec-kicker::before{ content:""; width:22px; height:3px; border-radius:999px; background:var(--grad); }
.sec-title{ font-size:clamp(24px,2.6vw,34px); line-height:1.25; font-weight:700; }
.sec-sub{ font-size:14px; color:var(--ink-500); margin-top:8px; max-width:660px; }
.text-link{ font-size:14px; font-weight:700; color:var(--brand-600); }
.text-link:hover{ text-decoration:underline; }

/* ---------- 优惠阶梯 ---------- */
.ladder{ display:flex; flex-direction:column; gap:16px; }
.ladder-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow-card);
  padding:22px 22px 22px 30px;
  overflow:hidden;
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.ladder-card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:6px; background:var(--grad);
}
.ladder-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-hover); border-color:rgba(18,192,138,.45); }
.ladder-top{ display:flex; align-items:center; gap:12px; margin-bottom:10px; flex-wrap:wrap; }
.ladder-step{
  width:32px; height:32px; border-radius:999px; background:var(--brand-100);
  color:var(--brand-600); font-weight:800; font-size:14px;
  display:flex; align-items:center; justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ladder-name{ font-size:19px; font-weight:700; color:var(--ink-900); }
.ladder-cond{ font-size:14px; color:var(--ink-500); margin-bottom:12px; }
.ladder-list{ list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:8px; }
.ladder-list li{
  font-size:13px; font-weight:600; color:var(--brand-600);
  background:var(--brand-100); border-radius:999px; padding:5px 12px;
}
.ladder-note{ font-size:13px; color:var(--ink-300); margin-top:12px; }
@media (min-width:1024px){
  .ladder-card{ max-width:1000px; }
  .ladder-1{ margin-left:0; }
  .ladder-2{ margin-left:24px; }
  .ladder-3{ margin-left:48px; }
  .ladder-4{ margin-left:72px; }
}

/* ---------- 套餐对比 ---------- */
.plan-grid{ display:grid; gap:20px; }
@media (min-width:1024px){ .plan-grid{ grid-template-columns:1fr 1fr 1.12fr; align-items:start; } }
.plan-card{
  position:relative;
  background:#fff; border:1px solid var(--line); border-radius:24px;
  box-shadow:var(--shadow-card); padding:26px 22px;
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.plan-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-hover); border-color:rgba(18,192,138,.45); }
.plan-card.featured{ padding-top:36px; }
.plan-card.featured::before{
  content:""; position:absolute; top:0; left:0; right:0; height:4px;
  background:var(--grad); border-radius:24px 24px 0 0;
}
.plan-flag{
  position:absolute; top:14px; right:16px;
  background:var(--grad); color:#0D1512; font-size:12px; font-weight:800;
  padding:4px 12px; border-radius:999px;
}
.plan-name{ font-size:20px; font-weight:700; color:var(--ink-900); margin-bottom:6px; }
.plan-desc{ font-size:13px; color:var(--ink-500); min-height:40px; }
.plan-price{
  display:flex; align-items:flex-end; gap:6px;
  font-size:34px; font-weight:800; color:var(--ink-900);
  font-variant-numeric:tabular-nums; letter-spacing:-.02em; line-height:1.15;
  margin:14px 0 6px;
}
.plan-price small{ font-size:14px; font-weight:600; color:var(--ink-500); }
.plan-price-note{ font-size:12px; color:var(--ink-300); margin-bottom:16px; }
.plan-rows{ display:grid; gap:2px; margin-bottom:20px; }
.plan-row{
  display:grid; grid-template-columns:1fr auto; align-items:center; gap:12px;
  padding:10px 12px; border-radius:10px; font-size:14px; color:var(--ink-700);
}
.plan-row:nth-child(odd){ background:#F9FBF9; }
.plan-row .ok{ color:var(--brand-600); display:inline-flex; }
.plan-row .no{ color:var(--ink-300); display:inline-flex; }

/* ---------- 限时横幅 ---------- */
.flash-banner{
  position:relative; overflow:hidden; border-radius:var(--radius-lg);
  background:var(--grad-dark);
  padding:32px 24px;
  display:flex; flex-direction:column; gap:24px;
  isolation:isolate;
}
.flash-banner::before{
  content:""; position:absolute; inset:0; z-index:-2;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover; background-position:center; opacity:.16;
}
.flash-banner::after{
  content:""; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(135deg,rgba(13,21,18,.96) 0%,rgba(18,58,44,.86) 100%);
}
@media (min-width:1024px){
  .flash-banner{ flex-direction:row; align-items:center; justify-content:space-between; padding:40px 44px; }
}
.flash-title{ color:#fff; font-size:clamp(20px,2.2vw,28px); font-weight:700; margin-bottom:8px; }
.flash-desc{ color:rgba(255,255,255,.74); font-size:14px; max-width:520px; }
.countdown{ display:flex; align-items:center; gap:8px; margin-top:18px; }
.cd-cell{
  min-width:62px; text-align:center; padding:8px 10px;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2);
  border-radius:14px;
}
.cd-num{
  display:block; color:#fff; font-size:24px; font-weight:800;
  font-variant-numeric:tabular-nums; letter-spacing:-.02em; line-height:1.1;
}
.cd-label{ display:block; font-size:11px; color:rgba(255,255,255,.6); font-weight:600; }
.cd-sep{ color:rgba(255,255,255,.5); font-size:20px; font-weight:800; }

/* ---------- 资讯卡 ---------- */
.news-grid{ display:grid; gap:20px; }
@media (min-width:640px){ .news-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1024px){ .news-grid{ grid-template-columns:repeat(3,1fr); gap:24px; } }
.news-card{
  display:flex; flex-direction:column;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-card);
  overflow:hidden; box-shadow:var(--shadow-card);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.news-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-hover); border-color:rgba(18,192,138,.45); }
.news-card.is-feature{ grid-column:span 1; }
@media (min-width:640px){ .news-card.is-feature{ grid-column:span 2; } }
.news-media{ overflow:hidden; background:var(--brand-100); }
.news-media img{ width:100%; aspect-ratio:16/9; object-fit:cover; transition:transform .4s ease-out; }
.news-card:hover .news-media img{ transform:scale(1.04); }
.news-body{ padding:18px 20px 20px; display:flex; flex-direction:column; gap:10px; flex:1 1 auto; }
.news-meta{ display:flex; align-items:center; gap:10px; font-size:13px; color:var(--ink-500); }
.chip{
  display:inline-flex; align-items:center; height:24px; padding:0 10px;
  border-radius:999px; font-size:12px; font-weight:700;
  background:var(--brand-100); color:var(--brand-600);
}
.news-title{
  font-size:18px; font-weight:700; line-height:1.45; color:var(--ink-900);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.news-card.is-feature .news-title{ font-size:21px; }
.news-card:hover .news-title{ color:var(--brand-600); }
.news-excerpt{
  font-size:14px; color:var(--ink-500); line-height:1.7;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.news-more{ margin-top:auto; font-size:13px; font-weight:700; color:var(--brand-600); }

.empty-state{
  min-height:240px; border-radius:24px; background:#F6FBF8;
  border:1px dashed rgba(18,192,138,.4);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:12px; text-align:center; padding:32px 24px;
}
.empty-state svg{ color:var(--brand-500); }

/* ---------- FAQ ---------- */
.faq-list{ max-width:860px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.faq-item{
  background:#fff; border:1px solid var(--line); border-radius:18px;
  box-shadow:var(--shadow-card); overflow:hidden;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item.is-open{ border-color:rgba(18,192,138,.45); box-shadow:var(--shadow-hover); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:18px 20px; background:none; border:none; cursor:pointer; text-align:left;
  font-size:16px; font-weight:600; color:var(--ink-900);
}
.faq-icon{ flex:0 0 auto; width:22px; height:22px; color:var(--brand-600); transition:transform .24s ease; }
.faq-item.is-open .faq-icon{ transform:rotate(45deg); }
.faq-a{ display:none; padding:0 20px 20px; border-top:1px solid var(--line); margin-top:2px; padding-top:16px; }
.faq-item.is-open .faq-a{ display:block; }
.faq-a p{ font-size:15px; color:var(--ink-500); line-height:1.85; }

/* ---------- 表单 ---------- */
.cta-grid{ display:grid; gap:28px; }
@media (min-width:1024px){ .cta-grid{ grid-template-columns:5fr 7fr; gap:36px; align-items:start; } }
.form-card{
  background:#fff; border:1px solid var(--line); border-radius:24px;
  box-shadow:var(--shadow-card); padding:26px 22px;
}
@media (min-width:768px){ .form-card{ padding:32px 30px; } }
.form-row{ margin-bottom:18px; }
.form-label{ display:block; font-size:14px; font-weight:600; color:var(--ink-900); margin-bottom:8px; }
.form-label .req{ color:var(--accent-500); margin-left:2px; }
.form-field{
  width:100%; height:48px; padding:0 14px;
  border:1px solid var(--line); border-radius:12px; background:#fff;
  font-size:15px; color:var(--ink-700); transition:border-color .18s ease, box-shadow .18s ease;
}
textarea.form-field{ height:auto; min-height:118px; padding:12px 14px; line-height:1.7; resize:vertical; }
.form-field:focus{ outline:none; border-color:var(--brand-500); box-shadow:0 0 0 2px rgba(18,192,138,.22); }
.form-hint{ font-size:12px; color:var(--ink-300); margin-top:6px; }
.form-check{ display:flex; align-items:flex-start; gap:10px; font-size:13px; color:var(--ink-500); }
.form-check input{ margin-top:4px; width:16px; height:16px; accent-color:var(--brand-500); }
.form-actions{ display:flex; justify-content:flex-start; margin-top:22px; }
@media (min-width:640px){ .form-actions{ justify-content:flex-end; } }
.trust-points{ display:flex; flex-direction:column; gap:14px; margin-top:26px; }
.trust-point{ display:flex; gap:12px; align-items:flex-start; }
.trust-point .ico{
  flex:0 0 auto; width:36px; height:36px; border-radius:12px;
  background:var(--brand-100); color:var(--brand-600);
  display:flex; align-items:center; justify-content:center;
}
.trust-point h3{ font-size:15px; font-weight:700; margin-bottom:2px; }
.trust-point p{ font-size:13px; color:var(--ink-500); }
.contact-panel{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card); padding:26px 22px; margin-bottom:28px;
}
@media (min-width:768px){ .contact-panel{ padding:32px 30px; } }

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-dark);
  color:rgba(255,255,255,.78);
  padding:56px 0 0;
  margin-top:16px;
}
.footer-grid{ display:grid; gap:32px; }
@media (min-width:640px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1024px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; } }
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-brand .logo-mark{ box-shadow:none; }
.footer-brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.footer-brand-text strong{ color:#fff; font-size:16px; font-weight:800; }
.footer-brand-text em{ font-style:normal; font-size:11px; color:rgba(255,255,255,.6); letter-spacing:.1em; }
.footer-desc{ font-size:13px; line-height:1.8; color:rgba(255,255,255,.6); max-width:320px; }
.footer-col h3{ color:#fff; font-size:15px; font-weight:700; margin-bottom:14px; }
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-col a{ color:rgba(255,255,255,.72); font-size:14px; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  margin-top:44px; border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px; display:flex; flex-wrap:wrap; gap:10px 20px;
  justify-content:space-between; font-size:12px; color:rgba(255,255,255,.6);
}
.footer-bottom a{ color:rgba(255,255,255,.6); }

/* ---------- 滚动条 ---------- */
.scroll-x{ display:flex; gap:16px; overflow-x:auto; padding-bottom:10px; scroll-snap-type:x mandatory; }
.scroll-x > *{ scroll-snap-align:start; min-width:280px; }
.scroll-x::-webkit-scrollbar{ height:6px; }
.scroll-x::-webkit-scrollbar-thumb{ background:rgba(18,192,138,.35); border-radius:999px; }
.scroll-hint{ font-size:12px; color:var(--ink-300); margin-top:6px; }
@media (min-width:1024px){ .scroll-hint{ display:none; } }

.tabular{ font-variant-numeric:tabular-nums; letter-spacing:-.02em; }

/* roulang page: category1 */
:root{
    --brand-600:#0B8F63;
    --brand-500:#12C08A;
    --brand-400:#35D9A3;
    --brand-100:#E6F9F0;
    --lime-500:#9BE23C;
    --accent-500:#FF6A2B;
    --accent-600:#E8551A;
    --accent-100:#FFEDE4;
    --ink-900:#0D1512;
    --ink-700:#2A3A34;
    --ink-500:#5C6E67;
    --ink-300:#A9B6B0;
    --bg:#F4F7F4;
    --bg-card:#FFFFFF;
    --bg-soft:#F6FBF8;
    --line:#E2EAE4;
    --grad-brand:linear-gradient(120deg,#12C08A 0%,#9BE23C 100%);
    --grad-dark:linear-gradient(135deg,#0D1512 0%,#123A2C 100%);
    --radius-btn:14px;
    --radius-card:20px;
    --radius-lg:28px;
    --radius-input:12px;
    --shadow-card:0 8px 24px rgba(13,21,18,.06);
    --shadow-float:0 12px 32px rgba(13,21,18,.12);
    --shadow-hover:0 18px 40px rgba(18,192,138,.18);
    --dock-offset:76px;
  }
  @media (min-width:1024px){
    :root{ --dock-offset:96px; }
  }

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

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

  body{
    margin:0;
    padding-top:var(--dock-offset);
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink-700);
    background:var(--bg);
    letter-spacing:.02em;
    -webkit-font-smoothing:antialiased;
  }

  img{ display:block; max-width:100%; height:auto; }
  a{ color:var(--brand-600); text-decoration:none; text-underline-offset:4px; }
  a:hover{ text-decoration:underline; }
  button{ font:inherit; color:inherit; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  h1,h2,h3,h4{ margin:0; color:var(--ink-900); letter-spacing:-.01em; }

  :focus-visible{
    outline:2px solid var(--brand-500);
    outline-offset:2px;
    border-radius:6px;
  }

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:640px){ .container{ padding-left:24px; padding-right:24px; } }
  @media (min-width:1024px){ .container{ padding-left:32px; padding-right:32px; } }

  .num{ font-weight:800; font-variant-numeric:tabular-nums; letter-spacing:-.02em; }

  /* ============ 浮动 Dock 导航 ============ */
  .site-dock{
    position:fixed;
    top:16px;
    left:0;
    right:0;
    z-index:80;
    display:flex;
    justify-content:center;
    padding:0 16px;
  }
  .dock-shell{
    position:relative;
    width:min(1080px,100%);
    min-height:64px;
    display:flex;
    align-items:center;
    gap:12px;
    padding:8px 12px 8px 16px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--shadow-float);
    transition:min-height .24s ease-out,padding .24s ease-out;
  }
  .dock-shell.is-compact{ min-height:56px; padding-top:4px; padding-bottom:4px; }

  .dock-brand{
    display:flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    flex:0 0 auto;
  }
  .dock-brand:hover{ text-decoration:none; }
  .logo-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    border-radius:11px;
    background:var(--grad-brand);
    color:#fff;
    font-weight:800;
    font-size:17px;
    letter-spacing:-.02em;
    box-shadow:0 6px 16px rgba(18,192,138,.32);
  }
  .brand-text{ display:flex; flex-direction:column; line-height:1.15; }
  .brand-text strong{ font-size:15px; font-weight:800; color:var(--ink-900); letter-spacing:-.01em; }
  .brand-text em{ font-style:normal; font-size:11.5px; color:var(--brand-600); font-weight:600; }

  .dock-nav{
    display:none;
    align-items:center;
    gap:4px;
    margin-left:auto;
  }
  @media (min-width:1024px){
    .dock-nav{ display:flex; }
  }
  .dock-link{
    display:inline-block;
    padding:9px 14px;
    border-radius:999px;
    font-size:14px;
    color:var(--ink-700);
    white-space:nowrap;
    transition:background .16s ease-out,color .16s ease-out;
  }
  .dock-link:hover{ background:var(--brand-100); color:var(--brand-600); text-decoration:none; }
  .dock-link.active{ background:var(--brand-100); color:var(--brand-600); font-weight:700; }

  .dock-actions{
    display:flex;
    align-items:center;
    gap:8px;
    margin-left:auto;
  }
  @media (min-width:1024px){
    .dock-actions{ margin-left:12px; }
  }
  .icon-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink-500);
    cursor:pointer;
    transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
  }
  .icon-btn:hover{ border-color:rgba(18,192,138,.45); color:var(--brand-600); background:var(--brand-100); }
  .menu-btn{ display:inline-flex; }
  @media (min-width:1024px){ .menu-btn{ display:none; } }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:11px 22px;
    border:1px solid transparent;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    text-decoration:none;
    transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
  }
  .btn:hover{ text-decoration:none; }
  .btn-primary{
    background:var(--accent-500);
    color:#fff;
    box-shadow:0 10px 24px rgba(255,106,43,.28);
  }
  .btn-primary:hover{ background:var(--accent-600); transform:translateY(-2px); box-shadow:0 16px 30px rgba(255,106,43,.34); }
  .btn-primary:active{ transform:scale(.98); }
  .btn-ghost{
    background:#fff;
    color:var(--brand-600);
    border-color:rgba(18,192,138,.5);
  }
  .btn-ghost:hover{ background:var(--brand-100); transform:translateY(-2px); }
  .btn-light{
    background:rgba(255,255,255,.14);
    color:#fff;
    border-color:rgba(255,255,255,.42);
  }
  .btn-light:hover{ background:rgba(255,255,255,.24); transform:translateY(-2px); }
  .btn-sm{ min-height:40px; padding:9px 16px; font-size:14px; }
  .dock-cta{ display:none; }
  @media (min-width:768px){ .dock-cta{ display:inline-flex; } }

  /* 移动端抽屉 */
  .dock-drawer{
    position:fixed;
    inset:0;
    z-index:90;
    display:none;
    flex-direction:column;
    background:#fff;
    padding:22px 20px 28px;
    overflow-y:auto;
  }
  .dock-drawer.open{ display:flex; }
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:18px;
    border-bottom:1px solid var(--line);
  }
  .drawer-links{ display:flex; flex-direction:column; margin-top:8px; }
  .drawer-links a{
    display:flex;
    align-items:center;
    min-height:52px;
    padding:0 4px;
    font-size:16px;
    color:var(--ink-700);
    border-bottom:1px solid var(--line);
    text-decoration:none;
  }
  .drawer-links a.active{ color:var(--brand-600); font-weight:700; }
  .drawer-foot{ margin-top:auto; padding-top:24px; }

  /* ============ 面包屑 ============ */
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    margin-top:24px;
    font-size:13px;
    color:var(--ink-500);
  }
  .breadcrumb a{ color:var(--ink-500); }
  .breadcrumb a:hover{ color:var(--brand-600); }
  .breadcrumb .sep{ color:var(--ink-300); }
  .breadcrumb .current{ color:var(--brand-600); font-weight:700; }

  /* ============ 内页矮版 Hero ============ */
  .hero-banner{
    position:relative;
    margin-top:16px;
    border-radius:var(--radius-lg);
    overflow:hidden;
    padding:44px 24px;
    background-image:
      linear-gradient(120deg,rgba(13,21,18,.86) 0%,rgba(11,143,99,.62) 100%),
      url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    box-shadow:var(--shadow-card);
  }
  @media (min-width:768px){ .hero-banner{ padding:56px 44px; } }
  @media (min-width:1024px){ .hero-banner{ padding:64px 56px; } }

  .hero-inner{ position:relative; z-index:2; max-width:760px; }
  .hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.28);
    color:#fff;
    font-size:12px;
    font-weight:700;
    letter-spacing:.04em;
  }
  .hero-dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--lime-500);
    box-shadow:0 0 0 4px rgba(155,226,60,.22);
  }
  .hero-banner h1{
    margin-top:18px;
    color:#fff;
    font-size:clamp(28px,4.4vw,46px);
    line-height:1.18;
    font-weight:800;
  }
  .hero-banner h1 span{
    background:linear-gradient(120deg,#9BE23C 0%,#35D9A3 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero-sub{
    margin-top:16px;
    max-width:620px;
    color:rgba(255,255,255,.88);
    font-size:16px;
    line-height:1.8;
  }
  .hero-badges{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:30px;
    padding:0 14px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:700;
    white-space:nowrap;
  }
  .badge-solid{ background:var(--grad-brand); color:#fff; }
  .badge-soft{ background:var(--brand-100); color:var(--brand-600); }
  .badge-ghost{ background:rgba(255,255,255,.16); color:#fff; border:1px solid rgba(255,255,255,.3); }
  .badge-accent{ background:var(--accent-100); color:var(--accent-600); }

  /* ============ 板块通用 ============ */
  .section{ margin-top:56px; }
  @media (min-width:1024px){ .section{ margin-top:88px; } }
  @media (min-width:1280px){ .section{ margin-top:104px; } }

  .section-head{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:16px;
    margin-bottom:24px;
  }
  .section-head h2{
    position:relative;
    padding-left:16px;
    font-size:clamp(22px,2.5vw,32px);
    line-height:1.28;
    font-weight:700;
  }
  .section-head h2::before{
    content:"";
    position:absolute;
    left:0;top:6px;bottom:6px;
    width:4px;
    border-radius:4px;
    background:var(--grad-brand);
  }
  .section-desc{
    max-width:640px;
    margin-top:10px;
    font-size:14.5px;
    color:var(--ink-500);
  }

  /* ============ 筛选 chip ============ */
  .filter-bar{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:4px 2px 12px;
    -ms-overflow-style:none;
    scrollbar-width:none;
  }
  .filter-bar::-webkit-scrollbar{ display:none; }
  .chip{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    gap:8px;
    min-height:40px;
    padding:8px 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink-700);
    font-size:14px;
    font-weight:600;
    cursor:pointer;
    transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
  }
  .chip:hover{ background:var(--brand-100); color:var(--brand-600); border-color:rgba(18,192,138,.45); }
  .chip.is-active{ background:var(--grad-brand); color:#fff; border-color:transparent; box-shadow:0 8px 20px rgba(18,192,138,.26); }

  /* ============ 卡片网格 ============ */
  .card-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
  }
  @media (min-width:640px){ .card-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .card-grid{ grid-template-columns:repeat(3,1fr); gap:24px; } }

  .entry-card{
    display:flex;
    flex-direction:column;
    background:var(--bg-card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
  }
  .entry-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(18,192,138,.45);
  }
  .entry-card.is-hidden{ display:none; }
  .entry-card figure{
    margin:0;
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--brand-100);
    box-shadow:inset 0 0 0 1px rgba(13,21,18,.04);
  }
  .entry-card figure img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .24s ease-out;
  }
  .entry-card:hover figure img{ transform:scale(1.04); }
  .card-body{
    display:flex;
    flex-direction:column;
    flex:1;
    padding:20px;
  }
  .card-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    font-size:13px;
    color:var(--ink-500);
  }
  .tag{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    border-radius:999px;
    background:var(--brand-100);
    color:var(--brand-600);
    font-size:12px;
    font-weight:700;
  }
  .tag-warm{ background:var(--accent-100); color:var(--accent-600); }
  .card-body h3{
    margin-top:12px;
    font-size:19px;
    line-height:1.4;
    font-weight:600;
  }
  .card-body p{
    margin:10px 0 0;
    font-size:14.5px;
    color:var(--ink-500);
    line-height:1.75;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .card-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:auto;
    padding-top:18px;
  }
  .card-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:700;
    color:var(--brand-600);
  }
  .card-link svg{ transition:transform .18s ease-out; }
  .entry-card:hover .card-link svg{ transform:translateX(4px); }
  .empty-note{
    margin-top:16px;
    padding:16px 18px;
    border-radius:16px;
    background:var(--bg-soft);
    border:1px dashed var(--line);
    font-size:13.5px;
    color:var(--ink-500);
  }

  /* ============ 图文说明 ============ */
  .split{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    align-items:center;
  }
  @media (min-width:1024px){
    .split{ grid-template-columns:1.05fr .95fr; gap:40px; }
  }
  .split-figure{
    margin:0;
    border-radius:var(--radius-lg);
    overflow:hidden;
    background:var(--brand-100);
    box-shadow:var(--shadow-card);
  }
  .split-figure img{ width:100%; aspect-ratio:4/3; object-fit:cover; }
  .split-figure figcaption{
    padding:14px 18px;
    font-size:13px;
    color:var(--ink-500);
    background:#fff;
    border-top:1px solid var(--line);
  }
  .prose-block p{
    margin:0 0 16px;
    font-size:15.5px;
    line-height:1.9;
    color:var(--ink-700);
  }
  .prose-block p:last-child{ margin-bottom:0; }
  .prose-block strong{ color:var(--ink-900); }

  /* ============ 准备清单 ============ */
  .check-panel{
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:24px;
    box-shadow:var(--shadow-card);
  }
  @media (min-width:1024px){ .check-panel{ padding:36px; } }
  .check-list{
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
    margin-top:22px;
  }
  @media (min-width:768px){ .check-list{ grid-template-columns:repeat(2,1fr); gap:14px 24px; } }
  .check-list li{
    display:flex;
    align-items:flex-start;
    gap:12px;
    padding:14px 16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    font-size:14.5px;
    color:var(--ink-700);
    transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  }
  .check-list li:hover{
    border-color:rgba(18,192,138,.45);
    transform:translateY(-2px);
    box-shadow:var(--shadow-card);
  }
  .check-icon{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:22px;
    height:22px;
    margin-top:2px;
    border-radius:7px;
    background:var(--brand-100);
    color:var(--brand-600);
  }

  /* ============ CTA 条 ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-lg);
    padding:36px 24px;
    background-image:
      linear-gradient(120deg,rgba(13,21,18,.92) 0%,rgba(18,58,44,.86) 100%),
      url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
    box-shadow:var(--shadow-card);
  }
  @media (min-width:1024px){ .cta-band{ padding:46px 48px; } }
  .cta-band-inner{
    position:relative;
    z-index:2;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:20px;
  }
  .cta-band h2{
    color:#fff;
    font-size:clamp(20px,2.2vw,28px);
    line-height:1.35;
    font-weight:700;
    max-width:620px;
  }
  .cta-band p{
    margin:10px 0 0;
    color:rgba(255,255,255,.72);
    font-size:14.5px;
    max-width:560px;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:72px;
    padding:56px 0 22px;
    background:var(--grad-dark);
    color:#fff;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  @media (min-width:640px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px; } }

  .footer-brand{ display:flex; align-items:center; gap:10px; }
  .footer-brand-text{ display:flex; flex-direction:column; line-height:1.2; }
  .footer-brand-text strong{ font-size:16px; font-weight:800; color:#fff; }
  .footer-brand-text em{ font-style:normal; font-size:12px; color:var(--brand-400); font-weight:600; }
  .footer-desc{
    margin:16px 0 0;
    max-width:360px;
    font-size:13.5px;
    line-height:1.85;
    color:rgba(255,255,255,.68);
  }
  .footer-col h3{
    color:#fff;
    font-size:14.5px;
    font-weight:700;
    margin-bottom:14px;
  }
  .footer-col ul li{ margin-bottom:10px; }
  .footer-col a{
    color:rgba(255,255,255,.72);
    font-size:13.5px;
    transition:color .16s ease-out;
  }
  .footer-col a:hover{ color:var(--brand-400); text-decoration:none; }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    font-size:12.5px;
    color:rgba(255,255,255,.6);
  }

  @media (prefers-reduced-motion:reduce){
    *{ transition:none !important; animation:none !important; }
  }

/* roulang page: article */
:root{
  --brand-600:#0B8F63;
  --brand-500:#12C08A;
  --brand-400:#35D9A3;
  --brand-100:#E6F9F0;
  --lime-500:#9BE23C;
  --accent-500:#FF6A2B;
  --accent-600:#E8551A;
  --accent-100:#FFEDE4;
  --ink-900:#0D1512;
  --ink-700:#2A3A34;
  --ink-500:#5C6E67;
  --ink-300:#A9B6B0;
  --bg:#F4F7F4;
  --bg-card:#FFFFFF;
  --bg-soft:#F6FBF8;
  --bg-dark:#0D1512;
  --line:#E2EAE4;
  --grad-brand:linear-gradient(120deg,#12C08A 0%,#9BE23C 100%);
  --grad-dark:linear-gradient(135deg,#0D1512 0%,#123A2C 100%);
  --radius-btn:14px;
  --radius-card:20px;
  --radius-lg:28px;
  --radius-input:12px;
  --shadow-card:0 8px 24px rgba(13,21,18,.06);
  --shadow-float:0 12px 32px rgba(13,21,18,.12);
  --shadow-hover:0 18px 40px rgba(18,192,138,.18);
  --dock-offset:76px;
}
@media (min-width:1024px){ :root{ --dock-offset:96px; } }

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:var(--dock-offset);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
h1,h2,h3,h4{color:var(--ink-900);line-height:1.25;letter-spacing:-.01em;}
ul,ol{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:4px;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-100);color:var(--brand-600);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:640px){ .container{padding:0 24px;} }
@media (min-width:1024px){ .container{padding:0 32px;} }

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1080px,calc(100% - 32px));
  z-index:80;
}
.dock-inner{
  display:flex;align-items:center;gap:14px;
  height:64px;padding:0 14px 0 16px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow-float);
  transition:height .24s ease;
}
.dock.is-scrolled .dock-inner{height:56px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad-brand);color:#fff;
  font-weight:800;font-size:17px;line-height:1;
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(18,192,138,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text strong{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.logo-text em{font-style:normal;font-size:11px;font-weight:700;color:var(--brand-600);}
.dock-nav{display:none;align-items:center;gap:2px;margin-left:auto;}
@media (min-width:1024px){ .dock-nav{display:flex;} }
.dock-link{
  padding:8px 13px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-500);
  white-space:nowrap;
  transition:background .16s ease,color .16s ease;
}
.dock-link:hover{background:var(--brand-100);color:var(--brand-600);text-decoration:none;}
.dock-link.active{background:var(--brand-100);color:var(--brand-600);}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
@media (min-width:1024px){ .dock-actions{margin-left:0;} }
.icon-btn{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--ink-500);
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.icon-btn:hover{color:var(--brand-600);border-color:rgba(18,192,138,.45);background:var(--bg-soft);}
.dock-toggle{display:grid;}
@media (min-width:1024px){ .dock-toggle{display:none;} }

.drawer{
  position:fixed;inset:0;z-index:90;
  background:#fff;
  display:none;flex-direction:column;
  padding:20px 20px 28px;
  overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;
  font-size:16px;font-weight:600;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--brand-600);text-decoration:none;}
.drawer-link.active{color:var(--brand-600);}
.drawer-cta{margin-top:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:scale(.98);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.28);}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,106,43,.32);}
.btn-outline{background:#fff;color:var(--brand-600);border-color:var(--brand-500);}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-600);}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);color:#fff;}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:12px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding-top:20px;}
.crumb-flex{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand-600);text-decoration:none;}
.breadcrumb .sep{color:var(--ink-300);}
.breadcrumb .current{color:var(--brand-600);font-weight:700;}
.crumb-back{font-size:13px;font-weight:600;color:var(--brand-600);}

/* ---------- 文章头部横幅 ---------- */
.article-hero{margin-top:20px;}
.article-hero-inner{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--grad-dark);
  padding:38px 26px;
  color:#fff;
  box-shadow:var(--shadow-card);
}
@media (min-width:1024px){ .article-hero-inner{padding:52px 48px;} }
.article-hero-inner::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;
}
.article-hero-inner::after{
  content:"";position:absolute;left:0;top:0;height:4px;width:100%;
  background:var(--grad-brand);
  opacity:.9;
}
.article-hero-inner > *{position:relative;z-index:1;}
.hero-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.hero-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#D8F7EA;font-size:12px;font-weight:700;
}
.hero-dot{width:7px;height:7px;border-radius:50%;background:var(--lime-500);display:inline-block;}
.article-hero h1{
  color:#fff;
  font-size:clamp(26px,4vw,42px);
  font-weight:800;line-height:1.22;
  letter-spacing:-.01em;
  max-width:900px;
}
.article-meta{
  display:flex;align-items:center;gap:10px 22px;flex-wrap:wrap;
  margin-top:20px;font-size:13px;
  color:rgba(255,255,255,.72);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta svg{flex-shrink:0;opacity:.85;}
.article-meta time{font-variant-numeric:tabular-nums;}
.hero-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 文章主体 ---------- */
.article-main{margin-top:36px;}
@media (min-width:1024px){ .article-main{margin-top:48px;} }
.article-layout{display:grid;gap:24px;}
@media (min-width:1024px){ .article-layout{grid-template-columns:minmax(0,1fr) 340px;gap:32px;} }

.article-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:24px;
}
@media (min-width:1024px){ .article-card{padding:40px 44px;} }

.article-body{
  max-width:800px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-700);
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  margin:1.9em 0 .75em;
  padding-left:14px;
  scroll-margin-top:120px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--grad-brand);
}
.article-body h3{
  font-size:19px;font-weight:600;color:var(--ink-900);
  margin:1.5em 0 .55em;scroll-margin-top:120px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink-900);margin:1.3em 0 .5em;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.15em;}
.article-body li{margin:.35em 0;}
.article-body strong{color:var(--ink-900);}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;
  background:var(--brand-100);
  border-radius:16px;
  color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;height:auto;border-radius:var(--radius-card);
  margin:1.4em 0;
  box-shadow:inset 0 0 0 1px rgba(13,21,18,.06);
}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;margin:1.4em 0;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:#F9FBF9;color:var(--ink-900);font-weight:700;}
.article-body a{text-decoration:underline;text-underline-offset:4px;}
.article-body code{
  background:#F1F5F2;border-radius:6px;padding:2px 6px;font-size:14px;
  color:var(--brand-600);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:14px;
  min-height:260px;padding:36px 24px;
  background:var(--bg-soft);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
}
.article-empty h2{font-size:20px;font-weight:700;padding:0;}
.article-empty p{color:var(--ink-500);font-size:15px;max-width:420px;margin:0;}
.empty-icon{
  width:56px;height:56px;border-radius:18px;
  background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-500);
}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-500);
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.tag:hover{border-color:rgba(18,192,138,.45);color:var(--brand-600);background:var(--bg-soft);text-decoration:none;}

/* 上一篇 / 下一篇 */
.post-nav{display:grid;gap:14px;margin-top:28px;}
@media (min-width:768px){ .post-nav{grid-template-columns:1fr 1fr;} }
.post-nav-link{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-nav-link:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(18,192,138,.45);
  text-decoration:none;
}
.post-nav-label{font-size:12px;font-weight:700;color:var(--brand-600);letter-spacing:.04em;}
.post-nav-link strong{font-size:15px;color:var(--ink-900);font-weight:600;line-height:1.5;}
.post-nav-next{text-align:right;align-items:flex-end;}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){ .side-col{position:sticky;top:112px;align-self:start;} }
.side-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:20px;
}
.side-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.side-title{font-size:16px;font-weight:700;color:var(--ink-900);display:flex;align-items:center;gap:8px;}
.side-title::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--grad-brand);display:inline-block;
}
.side-hint{font-size:12px;color:var(--ink-300);}
.toc-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:14px;line-height:1.6;color:var(--ink-500);
  border-left:2px solid transparent;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.toc-list a:hover{background:var(--brand-100);color:var(--brand-600);text-decoration:none;}
.toc-list a.is-active{
  background:var(--brand-100);color:var(--brand-600);
  border-left-color:var(--brand-500);font-weight:600;
}
.toc-empty{font-size:13px;color:var(--ink-300);padding:6px 2px;display:none;}
.side-card.is-empty .toc-empty{display:block;}

.hot-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:4px;}
.hot-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px;border-radius:12px;
  font-size:14px;line-height:1.65;color:var(--ink-700);
  transition:background .16s ease,color .16s ease;
}
.hot-list a:hover{background:var(--bg-soft);color:var(--brand-600);text-decoration:none;}
.hot-num{
  flex-shrink:0;width:22px;height:22px;border-radius:8px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:11px;font-weight:800;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;margin-top:3px;
}
.side-cta{
  background:var(--grad-dark);
  border-color:transparent;
  color:rgba(255,255,255,.78);
}
.side-cta h2{color:#fff;font-size:18px;font-weight:700;margin-bottom:10px;}
.side-cta p{font-size:14px;line-height:1.75;margin:0 0 16px;color:rgba(255,255,255,.7);}
.side-cta .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.side-badge{
  padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  font-size:12px;font-weight:700;color:#D8F7EA;
}
.side-cta .btn{width:100%;}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px;}
@media (min-width:1024px){ .related{margin-top:88px;} }
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.section-head .more{font-size:14px;font-weight:700;color:var(--brand-600);}
.section-sub{margin-top:8px;font-size:14px;color:var(--ink-500);}

.card-grid{display:grid;gap:16px;}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,1fr);gap:24px;} }

.card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(18,192,138,.45);
}
.card-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--brand-100);
}
.card-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .24s ease;
}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-500);}
.chip{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:700;
}
.card-title{
  font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-title a{color:inherit;}
.card-title a:hover{color:var(--brand-600);text-decoration:none;}
.card-desc{
  font-size:14px;color:var(--ink-500);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 底部 CTA 条 ---------- */
.cta-band{margin-top:56px;}
@media (min-width:1024px){ .cta-band{margin-top:88px;} }
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--grad-dark);
  padding:36px 26px;
  color:#fff;
  box-shadow:var(--shadow-card);
}
@media (min-width:1024px){ .cta-inner{padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;} }
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.14;
}
.cta-inner > *{position:relative;z-index:1;}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.4vw,28px);font-weight:700;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.8;margin:0;max-width:620px;}
.cta-actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;}
@media (min-width:1024px){ .cta-actions{margin-top:0;flex-shrink:0;} }

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-dark);
  color:rgba(255,255,255,.78);
  margin-top:72px;
  padding:56px 0 28px;
}
@media (min-width:1024px){ .site-footer{margin-top:96px;} }
.footer-grid{display:grid;gap:32px;}
@media (min-width:768px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.logo-mark-foot{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);color:#fff;
  font-weight:800;font-size:17px;line-height:1;
  display:grid;place-items:center;
}
.footer-brand-text strong{display:block;color:#fff;font-size:16px;line-height:1.2;font-weight:800;}
.footer-brand-text em{font-style:normal;color:var(--brand-400);font-size:12px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0;max-width:360px;}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

@media (max-width:519px){
  body{font-size:15px;}
  .article-card{padding:20px 18px;}
  .crumb-back{display:none;}
}

/* roulang page: category2 */
:root{
  --brand-600:#0B8F63;
  --brand-500:#12C08A;
  --brand-400:#35D9A3;
  --brand-100:#E6F9F0;
  --lime-500:#9BE23C;
  --accent-500:#FF6A2B;
  --accent-600:#E8551A;
  --accent-100:#FFEDE4;
  --ink-900:#0D1512;
  --ink-700:#2A3A34;
  --ink-500:#5C6E67;
  --ink-300:#A9B6B0;
  --bg:#F4F7F4;
  --bg-card:#FFFFFF;
  --bg-dark:#0D1512;
  --line:#E2EAE4;
  --grad-brand:linear-gradient(120deg,#12C08A 0%,#9BE23C 100%);
  --grad-dark:linear-gradient(135deg,#0D1512 0%,#123A2C 100%);
  --shadow-card:0 8px 24px rgba(13,21,18,.06);
  --shadow-float:0 12px 32px rgba(13,21,18,.12);
  --shadow-hover:0 18px 40px rgba(18,192,138,.18);
  --r-btn:14px;
  --r-card:20px;
  --r-big:28px;
  --r-input:12px;
  --dock-offset:76px;
}
@media (min-width:1024px){
  :root{--dock-offset:96px;}
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--dock-offset);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--ink-700);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;text-underline-offset:4px;}
a:hover{text-decoration:underline;}
button{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.25;}
h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1.15em;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:640px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- Dock 导航 ---------- */
.dock-header{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:min(1080px,100%);
  display:flex;align-items:center;gap:14px;
  height:64px;padding:0 14px;
  border-radius:22px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-float);
  transition:height .24s ease,box-shadow .24s ease;
}
.dock-header.shrink .dock-inner{height:56px;box-shadow:0 8px 22px rgba(13,21,18,.14);}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-logo:hover{text-decoration:none;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:17px;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(18,192,138,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-text strong{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.logo-text em{font-style:normal;font-size:11px;font-weight:600;color:var(--brand-600);letter-spacing:.08em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-link{
  padding:8px 14px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-700);
  white-space:nowrap;
  transition:background .16s ease,color .16s ease;
}
.dock-link:hover{background:var(--brand-100);color:var(--brand-600);text-decoration:none;}
.dock-link.active{background:var(--brand-100);color:var(--brand-600);font-weight:700;}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.dock-icon-btn{
  width:38px;height:38px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-700);
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.dock-icon-btn:hover{border-color:rgba(18,192,138,.45);color:var(--brand-600);transform:translateY(-1px);}
.dock-burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;place-items:center;color:var(--ink-900);}
.dock-drawer{
  position:fixed;inset:0;z-index:70;background:#fff;
  padding:88px 20px 28px;display:none;flex-direction:column;
}
.dock-drawer.open{display:flex;}
.drawer-link{
  display:flex;align-items:center;height:52px;
  border-bottom:1px solid var(--line);
  font-size:16px;color:var(--ink-900);font-weight:500;
}
.drawer-link.active{color:var(--brand-600);font-weight:700;}
.drawer-cta{margin-top:22px;}

/* ---------- 按钮 / 徽章 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(255,106,43,.28);}
.btn-primary:hover{background:#ff7c45;color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,106,43,.34);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:rgba(18,192,138,.55);}
.btn-ghost:hover{background:var(--brand-100);text-decoration:none;transform:translateY(-2px);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28);}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;text-decoration:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.badge-grad{background:var(--grad-brand);color:#fff;}
.badge-soft{background:var(--brand-100);color:var(--brand-600);}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime-500);display:inline-block;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-700);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.tag:hover{border-color:rgba(18,192,138,.45);color:var(--brand-600);transform:translateY(-2px);}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{position:relative;padding-left:16px;margin-bottom:26px;}
.section-head::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-brand);}
.section-head p{margin:8px 0 0;font-size:14px;color:var(--ink-500);max-width:760px;}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);text-transform:uppercase;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin:24px 0 20px;}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:var(--ink-300);}
.crumb .current{color:var(--brand-600);font-weight:600;}

/* ---------- Hero 矮版 ---------- */
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  padding:44px 26px 40px;color:#fff;
  background-image:linear-gradient(120deg,rgba(13,21,18,.88),rgba(18,58,44,.76)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.page-hero{padding:56px 44px 52px;}}
.page-hero h1{color:#fff;max-width:900px;}
.page-hero .hero-sub{margin:16px 0 0;font-size:clamp(16px,1.6vw,19px);color:rgba(255,255,255,.86);max-width:720px;line-height:1.7;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ---------- 左文右图交替 ---------- */
.alt-stack{display:flex;flex-direction:column;gap:56px;}
@media (min-width:1024px){.alt-stack{gap:88px;}}
.alt-row{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media (min-width:1024px){
  .alt-row{grid-template-columns:1fr 1fr;gap:56px;}
  .alt-text{order:1;}
  .alt-media{order:2;}
  .alt-row.reverse .alt-text{order:2;}
  .alt-row.reverse .alt-media{order:1;}
}
.alt-text p{font-size:15px;color:var(--ink-500);}
.alt-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;margin-bottom:14px;
  background:var(--brand-100);color:var(--brand-600);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.media{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(140deg,#E6F9F0,#F4F7F4);
  box-shadow:var(--shadow-card);
}
.media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .28s ease-out;}
.media:hover img{transform:scale(1.04);}
.media figcaption{
  position:absolute;left:14px;bottom:14px;
  background:rgba(13,21,18,.74);color:#fff;
  font-size:12px;padding:6px 12px;border-radius:999px;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.tick-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-700);}
.tick-list svg{flex-shrink:0;margin-top:5px;}

/* ---------- 核对清单 ---------- */
.check-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-big);
  padding:28px 24px;box-shadow:var(--shadow-card);
}
.tag-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.check-note{
  margin-top:22px;padding:18px 20px;border-radius:18px;
  background:#F6FBF8;border:1px solid var(--line);
  font-size:14px;color:var(--ink-500);
}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:rgba(18,192,138,.45);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-q .sign{
  width:22px;height:22px;flex-shrink:0;display:grid;place-items:center;
  color:var(--brand-600);transition:transform .24s ease;
}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{border-top:1px solid var(--line);}
.faq-a p{margin:0;padding:16px 20px;font-size:15px;color:var(--ink-500);}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  background:var(--grad-dark);color:#fff;
  padding:40px 26px;
}
@media (min-width:1024px){.cta-band{padding:52px 48px;}}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{position:relative;z-index:1;display:grid;gap:24px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.5fr 1fr;}}
.cta-title{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff;margin:0 0 10px;}
.cta-desc{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-start;}
@media (min-width:1024px){.cta-actions{justify-content:flex-end;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.72);margin-top:72px;padding:56px 0 24px;}
@media (min-width:1024px){.site-footer{margin-top:96px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.1;}
.footer-brand-text strong{color:#fff;font-size:15px;font-weight:800;}
.footer-brand-text em{font-style:normal;font-size:11px;color:var(--brand-400);letter-spacing:.08em;}
.footer-desc{margin:0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:400px;}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--brand-400);}
.footer-bottom{
  margin-top:36px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 移动端导航 ---------- */
@media (max-width:767px){
  .dock-header{top:10px;padding:0 10px;}
  .dock-inner{height:60px;border-radius:18px;padding:0 12px;gap:10px;}
  .dock-nav{display:none;}
  .dock-burger{display:grid;}
  .dock-icon-btn{display:none;}
  .dock-cta{display:none;}
  .logo-text em{font-size:10px;}
  .page-hero{border-radius:22px;padding:32px 20px 30px;}
  .cta-band{border-radius:22px;padding:32px 20px;}
  .footer-bottom{flex-direction:column;}
}
@media (min-width:768px){
  .dock-drawer{display:none !important;}
}
.text-num{font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-weight:800;}
.form-fallback{display:none;}

/* roulang page: category3 */
:root{
    --brand-600:#0B8F63;
    --brand-500:#12C08A;
    --brand-400:#35D9A3;
    --brand-100:#E6F9F0;
    --lime-500:#9BE23C;
    --accent-500:#FF6A2B;
    --accent-600:#E8551A;
    --accent-100:#FFEDE4;
    --ink-900:#0D1512;
    --ink-700:#2A3A34;
    --ink-500:#5C6E67;
    --ink-300:#A9B6B0;
    --bg:#F4F7F4;
    --bg-card:#FFFFFF;
    --bg-dark:#0D1512;
    --line:#E2EAE4;
    --grad-brand:linear-gradient(120deg,#12C08A 0%,#9BE23C 100%);
    --grad-dark:linear-gradient(135deg,#0D1512 0%,#123A2C 100%);
    --shadow-card:0 8px 24px rgba(13,21,18,.06);
    --shadow-float:0 12px 32px rgba(13,21,18,.12);
    --shadow-hover:0 18px 40px rgba(18,192,138,.18);
    --radius-btn:14px;
    --radius-card:20px;
    --radius-lg:28px;
    --dock-offset:76px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--ink-700);
    background:var(--bg);
    letter-spacing:.02em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-radius:inherit;}
  a{color:var(--brand-600);text-decoration:none;text-underline-offset:4px;transition:color .2s ease,background-color .2s ease;}
  a:hover{text-decoration:underline;}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  h1,h2,h3,h4{color:var(--ink-900);margin:0;line-height:1.25;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  .num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.02em;}

  /* ============ Dock 导航 ============ */
  .site-dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:min(1080px,calc(100% - 32px));z-index:80;}
  .dock-inner{
    display:flex;align-items:center;gap:14px;
    height:64px;padding:0 12px 0 16px;
    background:rgba(255,255,255,.86);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-float);
    transition:height .25s ease,box-shadow .25s ease;
  }
  .site-dock.is-scrolled .dock-inner{height:56px;box-shadow:0 10px 26px rgba(13,21,18,.16);}
  .dock-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
  .dock-brand:hover{text-decoration:none;}
  .logo-mark{
    width:32px;height:32px;border-radius:11px;background:var(--grad-brand);
    display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;
    box-shadow:0 6px 14px rgba(18,192,138,.35);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.05;}
  .brand-text strong{font-size:14px;font-weight:800;color:var(--ink-900);letter-spacing:.01em;}
  .brand-text em{font-style:normal;font-size:11px;color:var(--brand-600);font-weight:700;letter-spacing:.14em;}
  .dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto;flex-wrap:nowrap;}
  .dock-link{
    display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
    font-size:14px;font-weight:600;color:var(--ink-700);white-space:nowrap;
    transition:background-color .16s ease,color .16s ease;
  }
  .dock-link:hover{background:var(--brand-100);color:var(--brand-600);text-decoration:none;}
  .dock-link.active{background:var(--brand-100);color:var(--brand-600);}
  .dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
  .dock-search{
    width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
    color:var(--ink-500);border:1px solid var(--line);transition:all .2s ease;
  }
  .dock-search:hover{color:var(--brand-600);border-color:rgba(18,192,138,.45);background:var(--brand-100);}
  .dock-cta{
    display:inline-flex;align-items:center;height:42px;padding:0 18px;border-radius:999px;
    background:var(--accent-500);color:#fff;font-size:14px;font-weight:700;white-space:nowrap;
    box-shadow:0 8px 18px rgba(255,106,43,.28);transition:all .2s ease;
  }
  .dock-cta:hover{background:var(--accent-600);transform:translateY(-2px);text-decoration:none;color:#fff;}
  .dock-cta:active{transform:scale(.98);}
  .dock-toggle{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);place-items:center;color:var(--ink-900);}
  .dock-drawer{display:none;}

  /* ============ 面包屑 ============ */
  .crumb{font-size:13px;color:var(--ink-500);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
  .crumb a{color:var(--ink-500);}
  .crumb a:hover{color:var(--brand-600);}
  .crumb .sep{color:var(--ink-300);}
  .crumb .current{color:var(--brand-600);font-weight:600;}

  /* ============ 横幅 ============ */
  .hero-banner{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    background-image:linear-gradient(120deg,rgba(13,21,18,.86) 0%,rgba(11,143,99,.72) 55%,rgba(155,226,60,.45) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    box-shadow:var(--shadow-card);
    padding:38px 28px;
  }
  .hero-banner .eyebrow{
    display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
    background:rgba(255,255,255,.16);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;
    border:1px solid rgba(255,255,255,.22);
  }
  .dot{width:7px;height:7px;border-radius:999px;background:var(--lime-500);display:inline-block;}
  .hero-banner h1{
    color:#fff;font-size:clamp(26px,4vw,44px);font-weight:800;line-height:1.18;
    margin:16px 0 12px;letter-spacing:0;
  }
  .hero-banner .hero-sub{color:rgba(255,255,255,.9);font-size:15px;max-width:620px;line-height:1.8;}

  /* ============ 徽章 ============ */
  .badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;}
  .badge-solid{background:var(--grad-brand);color:#fff;}
  .badge-soft{background:var(--brand-100);color:var(--brand-600);}
  .badge-accent{background:var(--accent-100);color:var(--accent-600);}
  .badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.24);}

  /* ============ 按钮 ============ */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;transition:all .2s ease;}
  .btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(255,106,43,.28);}
  .btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,43,.34);text-decoration:none;color:#fff;}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{background:#fff;color:var(--brand-600);border:1px solid rgba(18,192,138,.45);}
  .btn-ghost:hover{background:var(--brand-100);transform:translateY(-2px);text-decoration:none;color:var(--brand-600);}
  .btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.32);}
  .btn-light:hover{background:rgba(255,255,255,.24);text-decoration:none;color:#fff;}

  /* ============ 板块 ============ */
  .section{padding:56px 0 0;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
  .sec-title{position:relative;padding-left:16px;}
  .sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-brand);}
  .sec-title h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
  .sec-title p{font-size:14px;color:var(--ink-500);margin-top:6px;}
  .card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,192,138,.45);}
  .prose p{font-size:15.5px;line-height:1.9;color:var(--ink-700);}
  .prose p + p{margin-top:14px;}
  .media-card{overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--bg-card);box-shadow:var(--shadow-card);}
  .media-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
  .media-card:hover img{transform:scale(1.04);}

  /* ============ 时间线 ============ */
  .timeline{max-width:720px;margin:0 auto;position:relative;padding-left:60px;}
  .timeline::before{content:"";position:absolute;left:19px;top:10px;bottom:16px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--brand-500),var(--lime-500));opacity:.4;}
  .tl-item{position:relative;margin-bottom:18px;}
  .tl-node{
    position:absolute;left:0;top:16px;width:40px;height:40px;border-radius:14px;
    display:grid;place-items:center;background:var(--grad-brand);color:#fff;
    font-weight:800;font-size:15px;box-shadow:0 8px 18px rgba(18,192,138,.28);
  }
  .tl-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 22px;box-shadow:var(--shadow-card);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
  .tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,192,138,.45);}
  .tl-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
  .tl-card p{font-size:15px;color:var(--ink-500);line-height:1.85;}
  .tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

  /* ============ 规则列表条 ============ */
  .rule-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
  .rule-item{display:flex;gap:16px;align-items:flex-start;background:var(--bg-card);border:1px solid var(--line);border-left:4px solid var(--brand-500);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-card);transition:border-color .2s ease,transform .2s ease;}
  .rule-item:nth-child(even){background:#F9FBF9;}
  .rule-item:hover{transform:translateX(4px);border-color:rgba(18,192,138,.45);}
  .rule-item h3{font-size:16px;font-weight:700;margin-bottom:4px;}
  .rule-item p{font-size:14.5px;color:var(--ink-500);}
  .rule-icon{flex:0 0 34px;width:34px;height:34px;border-radius:11px;background:var(--brand-100);color:var(--brand-600);display:grid;place-items:center;margin-top:2px;}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
  .faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-card);overflow:hidden;}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink-900);min-height:56px;}
  .faq-q .faq-ico{flex:0 0 20px;transition:transform .25s ease;color:var(--brand-600);}
  .faq-item.open .faq-q .faq-ico{transform:rotate(45deg);}
  .faq-a{display:none;padding:0 20px 20px;font-size:14.5px;color:var(--ink-500);line-height:1.9;border-top:1px solid var(--line);padding-top:14px;}
  .faq-item.open .faq-a{display:block;}

  /* ============ CTA 条 ============ */
  .cta-bar{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    background-image:linear-gradient(135deg,rgba(13,21,18,.94) 0%,rgba(18,58,44,.92) 100%),url('/assets/images/backpic/back-3.webp');
    background-size:cover;background-position:center;
    padding:32px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
    box-shadow:var(--shadow-card);
  }
  .cta-bar h2{color:#fff;font-size:clamp(21px,2.3vw,28px);font-weight:700;}
  .cta-bar p{color:rgba(255,255,255,.74);font-size:14.5px;margin-top:8px;max-width:560px;}

  /* ============ 页脚 ============ */
  .site-footer{margin-top:88px;background:var(--grad-dark);color:#fff;padding:56px 0 24px;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand-text{display:flex;flex-direction:column;line-height:1.1;}
  .footer-brand-text strong{font-size:15px;font-weight:800;color:#fff;}
  .footer-brand-text em{font-style:normal;font-size:11px;color:var(--brand-400);font-weight:700;letter-spacing:.14em;}
  .footer-desc{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.85;max-width:360px;}
  .footer-col h3{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;}
  .footer-col li{margin-bottom:10px;}
  .footer-col a{font-size:13.5px;color:rgba(255,255,255,.72);}
  .footer-col a:hover{color:var(--brand-400);text-decoration:none;}
  .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.6);}

  @media (min-width:1024px){
    :root{--dock-offset:96px;}
    .container{padding:0 32px;}
    .section{padding:88px 0 0;}
    .hero-banner{padding:52px 44px;}
    .site-footer{margin-top:112px;}
  }
  @media (min-width:640px) and (max-width:1023px){
    .container{padding:0 24px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:1023px){
    .dock-nav{display:none;}
    .dock-toggle{display:grid;}
    .dock-search{display:none;}
    .dock-drawer{
      display:block;position:fixed;inset:0;z-index:90;background:#fff;
      transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
      padding:88px 20px 28px;overflow-y:auto;
    }
    .dock-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
    .drawer-close{position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-900);}
    .drawer-link{display:flex;align-items:center;height:52px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-700);}
    .drawer-link.active{color:var(--brand-600);}
    .drawer-cta{margin-top:24px;width:100%;}
    .cta-bar{padding:28px 22px;}
  }
  @media (max-width:639px){
    .container{padding:0 20px;}
    .timeline{padding-left:48px;}
    .timeline::before{left:14px;}
    .tl-node{width:32px;height:32px;border-radius:11px;font-size:13px;}
    .footer-grid{grid-template-columns:1fr;}
    .hero-banner{padding:30px 20px;}
    .cta-bar{padding:24px 18px;}
    .rule-item{flex-direction:row;gap:12px;padding:16px;}
  }

/* roulang page: category4 */
:root{
  --brand-600:#0B8F63;
  --brand-500:#12C08A;
  --brand-400:#35D9A3;
  --brand-100:#E6F9F0;
  --lime-500:#9BE23C;
  --accent-500:#FF6A2B;
  --accent-600:#E8551A;
  --accent-100:#FFEDE4;
  --ink-900:#0D1512;
  --ink-700:#2A3A34;
  --ink-500:#5C6E67;
  --ink-300:#A9B6B0;
  --bg:#F4F7F4;
  --bg-card:#FFFFFF;
  --bg-dark:#0D1512;
  --line:#E2EAE4;
  --grad-main:linear-gradient(120deg,#12C08A 0%,#9BE23C 100%);
  --grad-dark:linear-gradient(135deg,#0D1512 0%,#123A2C 100%);
  --shadow-card:0 8px 24px rgba(13,21,18,.06);
  --shadow-float:0 12px 32px rgba(13,21,18,.12);
  --shadow-hover:0 18px 40px rgba(18,192,138,.18);
  --r-btn:14px;
  --r-card:20px;
  --r-big:28px;
  --r-input:12px;
  --dock-offset:76px;
}
@media (min-width:1024px){ :root{ --dock-offset:96px; } }

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink-700);
  font-size:15.5px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:640px){ .container{padding-left:24px;padding-right:24px;} }
@media (min-width:1024px){ .container{padding-left:32px;padding-right:32px;} }

.num{font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ---------- Dock 导航 ---------- */
.dock-shell{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:min(1080px,100%);
  height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 12px 0 16px;
  border-radius:22px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-float);
  transition:height .24s ease;
}
.dock-shell.shrink .dock-inner{height:56px;}
.dock-logo{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none;}
.dock-logo:hover{text-decoration:none;}
.logo-mark{
  width:32px;height:32px;flex:none;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-main);color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(18,192,138,.32);
  letter-spacing:-.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-text strong{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--brand-600);font-weight:700;letter-spacing:.08em;}
.dock-nav{display:none;align-items:center;gap:4px;margin-left:auto;}
.dock-link{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--ink-700);text-decoration:none;white-space:nowrap;
  transition:background-color .16s ease,color .16s ease;
}
.dock-link:hover{background:var(--brand-100);color:var(--brand-600);text-decoration:none;}
.dock-link.active{background:var(--brand-100);color:var(--brand-600);}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
.dock-cta{display:none;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-500);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-600);border-color:rgba(18,192,138,.45);}
.menu-btn{display:flex;}
@media (min-width:900px){
  .dock-nav{display:flex;}
  .dock-actions{margin-left:8px;}
  .dock-cta{display:inline-flex;}
  .menu-btn{display:none;}
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  display:none;flex-direction:column;padding:18px 20px 28px;
}
.drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-list{margin-top:8px;display:flex;flex-direction:column;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:16px;font-weight:600;color:var(--ink-900);
  border-bottom:1px solid var(--line);text-decoration:none;
}
.drawer-list a.active{color:var(--brand-600);}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .24s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  min-width:44px;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px rgba(255,106,43,.26);}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,43,.34);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--brand-100);}
.btn-light{background:#fff;color:var(--brand-600);}
.btn-light:hover{background:#F0FBF6;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap;
}
.badge-grad{background:var(--grad-main);color:#fff;}
.badge-soft{background:var(--brand-100);color:var(--brand-600);}
.badge-accent{background:var(--accent-100);color:var(--accent-600);}
.badge-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block;}

/* ---------- 主体 ---------- */
.page-main{padding-top:calc(var(--dock-offset) + 14px);padding-bottom:8px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-500);margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:var(--ink-300);}
.breadcrumb .current{color:var(--brand-600);font-weight:700;}

.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  background:var(--bg-dark);color:#fff;
  padding:44px 26px 40px;
}
@media (min-width:1024px){ .page-hero{padding:56px 48px 52px;} }
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.5;
}
.page-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,143,99,.9) 0%,rgba(13,21,18,.88) 76%);
}
.page-hero-inner{position:relative;z-index:1;max-width:820px;}
.page-hero h1{
  font-size:clamp(27px,4.2vw,44px);line-height:1.2;font-weight:800;
  color:#fff;letter-spacing:-.01em;
}
.page-hero h1 span{color:#CFF7A0;}
.page-hero .hero-sub{
  margin-top:16px;font-size:15.5px;line-height:1.85;
  color:rgba(255,255,255,.82);max-width:620px;
}
.hero-badges{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges .badge{height:30px;background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);}

/* ---------- 板块 ---------- */
.section{padding-top:56px;}
@media (min-width:1024px){ .section{padding-top:88px;} }
@media (min-width:1280px){ .section{padding-top:112px;} }
.section-head{margin-bottom:24px;}
@media (min-width:1024px){ .section-head{margin-bottom:32px;} }
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.5vw,31px);line-height:1.3;font-weight:700;color:var(--ink-900);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--grad-main);
}
.section-head p{margin-top:10px;padding-left:16px;font-size:14.5px;color:var(--ink-500);max-width:720px;}

/* 说明区 */
.intro-grid{display:grid;gap:24px;}
@media (min-width:1024px){ .intro-grid{grid-template-columns:7fr 5fr;gap:40px;align-items:start;} }
.intro-text p + p{margin-top:16px;}
.intro-text strong{color:var(--ink-900);font-weight:700;}
.intro-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--line);}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.intro-figure figcaption{
  position:absolute;left:14px;right:14px;bottom:14px;
  background:rgba(255,255,255,.9);backdrop-filter:blur(8px);
  border-radius:14px;padding:12px 14px;font-size:13px;color:var(--ink-700);
  box-shadow:0 8px 20px rgba(13,21,18,.12);
}
.key-points{margin-top:24px;display:grid;gap:12px;}
@media (min-width:640px){ .key-points{grid-template-columns:repeat(3,1fr);} }
.key-point{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.key-point:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,192,138,.45);}
.key-point h3{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:6px;}
.key-point p{font-size:13.5px;color:var(--ink-500);line-height:1.8;}

/* 现象对照卡 */
.scroll-hint{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:13px;color:var(--ink-500);
}
@media (min-width:1024px){ .scroll-hint{display:none;} }
.cmp-scroll{
  display:flex;gap:16px;overflow-x:auto;padding:2px 2px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.cmp-scroll::-webkit-scrollbar{height:6px;}
.cmp-scroll::-webkit-scrollbar-thumb{background:rgba(18,192,138,.35);border-radius:999px;}
.cmp-scroll::-webkit-scrollbar-track{background:var(--line);border-radius:999px;}
.cmp-card{
  scroll-snap-align:start;flex:0 0 86%;max-width:330px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.cmp-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,192,138,.45);}
@media (min-width:640px){ .cmp-card{flex:0 0 58%;} }
@media (min-width:1024px){
  .cmp-scroll{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;overflow:visible;padding:0;}
  .cmp-card{flex:none;max-width:none;}
}
.cmp-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.cmp-index{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;background:var(--brand-100);
  color:var(--brand-600);font-size:14px;
}
.cmp-card h3{font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.5;margin-bottom:14px;}
.cmp-row{padding-top:12px;border-top:1px dashed var(--line);}
.cmp-row + .cmp-row{margin-top:12px;}
.cmp-row:nth-of-type(odd){border-top:1px solid var(--line);}
.cmp-label{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand-600);
  background:var(--brand-100);border-radius:999px;padding:2px 10px;margin-bottom:6px;
}
.cmp-row p{font-size:13.5px;color:var(--ink-500);line-height:1.8;}

/* 准备清单 */
.prep-wrap{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-big);
  padding:26px;box-shadow:var(--shadow-card);
}
@media (min-width:1024px){ .prep-wrap{padding:36px 40px;} }
.prep-grid{display:grid;gap:16px;margin-top:22px;}
@media (min-width:640px){ .prep-grid{grid-template-columns:repeat(2,1fr);} }
.prep-item{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:16px;background:#F9FBF9;border:1px solid var(--line);}
.prep-item .idx{
  flex:none;width:28px;height:28px;border-radius:10px;background:var(--grad-main);
  color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.prep-item h3{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:4px;}
.prep-item p{font-size:13.5px;color:var(--ink-500);line-height:1.8;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--bg-card);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .24s ease;
}
.faq-item.open{border-color:rgba(18,192,138,.45);box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
  transition:background-color .18s ease;
}
.faq-q:hover{background:#F6FBF8;}
.faq-icon{flex:none;width:22px;height:22px;color:var(--brand-600);transition:transform .24s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 20px;margin-top:0;border-top:1px solid var(--line);}
.faq-item.open .faq-a{display:block;}
.faq-a p{margin-top:16px;font-size:14.5px;color:var(--ink-500);line-height:1.9;}

/* CTA 条 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  background:var(--grad-dark);color:#fff;padding:36px 26px;
}
@media (min-width:1024px){ .cta-band{padding:44px 48px;} }
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(13,21,18,.86) 0%,rgba(18,58,44,.7) 100%);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){ .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;} }
.cta-inner h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;color:#fff;line-height:1.35;}
.cta-inner p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.76);max-width:560px;}

/* 页脚 */
.site-footer{background:var(--grad-dark);color:#fff;padding:60px 0 26px;margin-top:88px;}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;}
@media (min-width:768px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;} }
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.1;}
.footer-brand-text strong{font-size:15px;font-weight:800;color:#fff;}
.footer-brand-text em{font-style:normal;font-size:11px;color:#8FE9C4;font-weight:700;letter-spacing:.08em;}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.6);
}