/* roulang page: index */
:root{
  --ink:#1E3A3A;
  --ink-deep:#142A2A;
  --accent:#C47A3D;
  --bamboo:#6F8B74;
  --paper:#F7F3EB;
  --card:#FFFFFF;
  --text:#171B1A;
  --sub:#5E6661;
  --line:#E2DBCE;
  --tint:#EFE8DA;
  --warn:#B07A2A;
  --danger:#A65043;
  --ok:#557A5E;
  --c1:#3E7C8A;
  --c2:#B45A6E;
  --c3:#C49A3A;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(20,30,28,.04);
  --shadow-hover:0 18px 40px -28px rgba(20,30,28,.28);
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"Roboto Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(30,58,58,.035) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:0;color:var(--accent);font-weight:700;
  text-transform:none;line-height:1;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:block}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:28px;line-height:1.35;margin-top:14px}
.sec-head p{margin-top:14px;color:var(--sub);font-size:15px;line-height:1.85}
.num-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border:1px solid var(--line);border-radius:6px;
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--ink);
  background:var(--paper);
}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all var(--ease);
}
.btn-primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--tint);transform:translateY(-1px)}
.btn-lg{height:48px;padding:0 28px}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-arrow:hover{color:var(--accent);border-bottom-color:var(--accent)}
.link-arrow::after{content:"→";font-size:14px}
/* ---------- header ---------- */
.site-header{position:relative;z-index:70}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:36px;height:36px;border-radius:6px;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:0;flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:22px;font-weight:700;color:var(--ink)}
.brand-sub{font-size:11px;color:var(--sub);letter-spacing:1px;margin-top:2px}
.brand-tools{display:flex;align-items:center;gap:16px}
.search-form{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:999px;background:var(--card);padding:3px 4px 3px 14px;transition:border-color var(--ease),box-shadow var(--ease)}
.search-form:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(30,58,58,.08)}
.search-form input{
  width:170px;border:none;background:transparent;height:32px;font-size:13px;outline:none;color:var(--text);
}
.search-form input::placeholder{color:#9AA29D}
.search-form button{
  width:32px;height:32px;border-radius:50%;background:var(--tint);color:var(--ink);
  display:flex;align-items:center;justify-content:center;transition:background var(--ease),color var(--ease);
}
.search-form button:hover{background:var(--ink);color:var(--paper)}
.search-form svg{width:15px;height:15px}
.hotline{font-size:13px;color:var(--sub);font-family:var(--mono);letter-spacing:0}
.menu-toggle{
  display:none;align-items:center;justify-content:center;gap:8px;
  height:40px;min-width:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;font-weight:600;color:var(--ink);background:var(--card);
}
.menu-toggle:hover{background:var(--tint)}
.menu-toggle span.bars{display:inline-flex;flex-direction:column;gap:3px}
.menu-toggle span.bars i{display:block;width:16px;height:2px;background:var(--ink);border-radius:1px}
/* channel row */
.channel-row{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,235,.96);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  backdrop-filter:none;
}
.channel-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:48px;
  padding:0 16px;font-size:15px;font-weight:600;color:var(--sub);white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.channel:hover{background:var(--tint);color:var(--ink)}
.channel.is-active{color:var(--ink)}
.channel.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:11px;height:2px;background:var(--accent);border-radius:2px;
}
/* anchor bar */
.anchor-bar{position:sticky;top:48px;z-index:55;background:rgba(247,243,235,.96);border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;align-items:center;gap:4px;height:44px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:13px;font-weight:600;color:var(--sub);white-space:nowrap;
}
.anchor:hover{color:var(--ink);background:var(--tint)}
.anchor.is-active{color:var(--accent)}
.anchor.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:9px;height:2px;background:var(--accent)}
/* ---------- hero ---------- */
.hero{padding:72px 0 80px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{font-size:44px;line-height:1.2;margin-top:18px;color:var(--ink)}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.9;color:var(--sub);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.trust-item b{display:block;font-size:13px;color:var(--ink);font-weight:700}
.trust-item span{display:block;font-size:12px;color:var(--sub);margin-top:4px;line-height:1.6}
.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--tint);aspect-ratio:4 / 3;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(247,243,235,.72) 0%,rgba(247,243,235,.18) 46%,rgba(20,42,42,.18) 100%);
}
.hero-float{
  position:absolute;z-index:2;background:rgba(255,255,255,.96);border:1px solid var(--line);
  border-radius:10px;padding:10px 14px;box-shadow:0 12px 30px -22px rgba(20,30,28,.5);
  min-width:150px;
}
.hero-float span{display:block;font-size:11px;color:var(--sub);letter-spacing:0}
.hero-float b{display:block;font-size:14px;color:var(--ink);margin-top:2px;font-family:var(--mono) }
.hero-float-a{left:18px;bottom:22px}
.hero-float-b{right:18px;top:22px}
/* ---------- value mosaic ---------- */
.value-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.value-lead{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;display:flex;flex-direction:column;gap:18px;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.value-lead:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(30,58,58,.28)}
.value-lead h3{font-size:22px;line-height:1.5;color:var(--ink)}
.value-lead p{color:var(--sub);font-size:15px;line-height:1.85}
.value-list{display:grid;gap:10px;margin-top:2px}
.value-list li{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.7}
.value-list li::before{content:"";flex:none;width:6px;height:6px;margin-top:10px;background:var(--accent);border-radius:2px}
.value-side{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.mini-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(30,58,58,.28)}
.mini-card h3{font-size:17px;color:var(--ink);line-height:1.5}
.mini-card p{font-size:13px;color:var(--sub);line-height:1.75;min-height:46px}
.mini-card .link-arrow{font-size:13px;margin-top:auto}
/* ---------- demo ---------- */
.demo-grid{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:start}
.browser-frame{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden}
.browser-bar{display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-bottom:1px solid var(--line);background:var(--tint)}
.browser-bar i{width:8px;height:8px;border-radius:50%;background:var(--line);display:block}
.browser-bar i:first-child{background:#D9A08F}
.browser-bar i:nth-child(2){background:#DBBF86}
.browser-bar i:nth-child(3){background:#93AE9A}
.browser-url{margin-left:12px;font-family:var(--mono);font-size:11px;color:var(--sub);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:2px 12px}
.browser-body{position:relative;aspect-ratio:16 / 9;background:var(--tint)}
.browser-body img{width:100%;height:100%;object-fit:cover}
.demo-tabs{display:flex;gap:8px;padding:14px 16px;border-top:1px solid var(--line);background:var(--card);flex-wrap:wrap}
.demo-tab{font-size:12px;font-weight:600;padding:6px 14px;border-radius:999px;border:1px solid var(--line);color:var(--sub);background:var(--paper)}
.demo-tab.is-active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.demo-notes{display:grid;gap:20px}
.demo-note{display:flex;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.demo-note:last-child{border-bottom:none;padding-bottom:0}
.demo-note div h3{font-size:16px;color:var(--ink)}
.demo-note div p{font-size:13.5px;color:var(--sub);line-height:1.8;margin-top:6px}
/* ---------- evidence ---------- */
.evidence-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.evidence-sticky{position:sticky;top:120px}
.evidence-sticky h2{font-size:28px;line-height:1.35;margin-top:14px;color:var(--ink)}
.evidence-sticky p{color:var(--sub);font-size:15px;line-height:1.85;margin-top:16px}
.evidence-sticky .link-arrow{margin-top:22px}
.tile-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.tile{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:box-shadow var(--ease),transform var(--ease);
}
.tile:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.tile .tile-label{font-size:12px;color:var(--sub);font-weight:600}
.tile .tile-num{display:flex;align-items:baseline;gap:6px;margin-top:10px}
.tile .tile-num b{font-family:var(--mono);font-size:32px;line-height:1.1;color:var(--ink);font-weight:700}
.tile .tile-num em{font-style:normal;font-size:13px;color:var(--sub)}
.tile p{font-size:13px;color:var(--sub);line-height:1.75;margin-top:10px}
.tile .tile-meta{font-family:var(--mono);font-size:11px;color:#8A928C;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
/* ---------- latest ---------- */
.latest-grid{display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:start}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:8px 24px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:20px;color:var(--ink)}
.panel-head span{font-size:12px;color:var(--sub);font-family:var(--mono)}
.news-row{
  display:flex;align-items:flex-start;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.news-row:last-child{border-bottom:none}
.news-row:hover{background:var(--tint)}
.news-date{
  flex:none;width:56px;text-align:center;border-right:1px solid var(--line);padding-right:14px;
}
.news-date b{display:block;font-family:var(--mono);font-size:15px;color:var(--ink);font-weight:700;line-height:1.3}
.news-date em{display:block;font-style:normal;font-family:var(--mono);font-size:11px;color:var(--sub);margin-top:2px}
.news-body{min-width:0;flex:1}
.news-body h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13px;color:var(--sub);margin-top:6px;line-height:1.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-tag{
  display:inline-block;font-size:11px;color:var(--ink);background:var(--tint);
  border:1px solid var(--line);border-radius:999px;padding:1px 10px;margin-right:8px;vertical-align:1px;
}
.news-go{flex:none;align-self:center;color:var(--sub);font-size:16px}
.news-row:hover .news-go{color:var(--accent)}
.empty-state{
  border:1px dashed var(--line);background:var(--tint);border-radius:var(--radius);
  padding:40px 24px;text-align:center;margin:20px 0;
}
.empty-shape{display:flex;justify-content:center;gap:6px;margin-bottom:14px}
.empty-shape i{display:block;width:14px;height:14px;border:1px solid var(--ink);border-radius:3px;background:var(--card)}
.empty-shape i:nth-child(2){background:var(--accent);border-color:var(--accent)}
.empty-state p{font-size:14px;color:var(--sub)}
.pick-list{display:grid;gap:20px}
.pick-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.pick-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(30,58,58,.28)}
.pick-media{aspect-ratio:16 / 10;background:var(--tint);overflow:hidden}
.pick-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.pick-card:hover .pick-media img{transform:scale(1.03)}
.pick-body{padding:16px 18px 18px}
.pick-body h3{font-size:15px;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-body .pick-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:11px;color:var(--sub);font-family:var(--mono)}
.latest-more{margin-top:18px;display:flex;justify-content:flex-start}
/* ---------- plans ---------- */
.plan-list{display:grid;gap:16px}
.plan-row{
  display:grid;grid-template-columns:3fr 6fr 3fr;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.plan-row:hover{box-shadow:var(--shadow-hover);border-color:rgba(30,58,58,.28)}
.plan-row.is-featured{background:var(--tint);border-left:4px solid var(--accent)}
.plan-name{font-size:18px;color:var(--ink);font-weight:700}
.plan-price{font-family:var(--mono);font-size:15px;color:var(--accent);margin-top:6px}
.plan-desc{font-size:12.5px;color:var(--sub);margin-top:8px;line-height:1.7}
.plan-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;line-height:1;
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);
}
.tag-solid{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.tag-accent{background:transparent;border-color:var(--accent);color:var(--accent)}
.plan-action{display:flex;justify-content:flex-end}
/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:120px}
.faq-aside h2{font-size:28px;line-height:1.35;margin-top:14px;color:var(--ink)}
.faq-aside p{font-size:14px;color:var(--sub);line-height:1.85;margin-top:16px}
.faq-aside .aside-card{
  margin-top:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:20px;
}
.faq-aside .aside-card b{display:block;font-size:14px;color:var(--ink)}
.faq-aside .aside-card span{display:block;font-size:12.5px;color:var(--sub);margin-top:6px;line-height:1.7}
.faq-aside .aside-card .link-arrow{margin-top:12px;font-size:13px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:58px;padding:16px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q .ico{
  flex:none;width:24px;height:24px;border:1px solid var(--line);border-radius:6px;
  display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;color:var(--ink);
  background:var(--paper);transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-q .ico{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease}
.faq-a p{font-size:15px;line-height:1.8;color:var(--sub);padding:0 40px 20px 0;max-width:68ch}
.faq-item.is-open .faq-a{max-height:320px}
/* ---------- contact ---------- */
.contact-section{background:var(--ink-deep);color:var(--paper);padding:96px 0}
.contact-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.contact-info h2{font-size:30px;line-height:1.35;color:var(--paper)}
.contact-info > p{font-size:15px;line-height:1.9;color:rgba(247,243,235,.72);margin-top:16px;max-width:460px}
.check-list{display:grid;gap:14px;margin-top:28px}
.check-list li{display:flex;gap:12px;font-size:14px;line-height:1.8;color:rgba(247,243,235,.86)}
.check-list li::before{
  content:"✓";flex:none;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(196,122,61,.6);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;
}
.contact-meta{margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:grid;gap:10px}
.contact-meta div{display:flex;gap:10px;font-size:13.5px;color:rgba(247,243,235,.78);font-family:var(--mono)}
.contact-meta div b{font-family:var(--font);font-weight:600;color:var(--paper);min-width:64px}
.contact-form{background:var(--card);border-radius:var(--radius);padding:32px;color:var(--text);border:1px solid var(--line)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;font-size:14px;background:var(--paper);outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--ink);background:var(--card);box-shadow:0 0 0 3px rgba(30,58,58,.1);
}
.field .err{font-size:12px;color:var(--danger);min-height:16px}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:12px;color:var(--sub);line-height:1.7;margin:4px 0 18px}
.consent input{width:16px;height:16px;margin-top:3px;flex:none;accent-color:var(--ink)}
.consent a{color:var(--ink);border-bottom:1px solid var(--line)}
.form-note{font-size:12px;color:var(--sub);margin-top:14px;line-height:1.7}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);
  background:rgba(111,139,116,.14);color:var(--ok);font-size:13.5px;border:1px solid rgba(111,139,116,.4);
}
.form-success.is-on{display:block}
/* ---------- cta band ---------- */
.cta-band{background:var(--tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:48px 0}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:24px;color:var(--ink);line-height:1.4}
.cta-band p{font-size:14px;color:var(--sub);margin-top:8px;max-width:600px;line-height:1.8}
.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(247,243,235,.78);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--paper);color:var(--ink-deep)}
.footer-brand .brand-name{color:var(--paper);font-size:20px}
.footer-brand .brand-sub{color:rgba(247,243,235,.5)}
.footer-about{font-size:13px;line-height:1.85;color:rgba(247,243,235,.66);max-width:280px}
.footer-risk{margin-top:16px;font-size:12px;line-height:1.75;color:rgba(247,243,235,.5);border-left:2px solid var(--accent);padding-left:12px}
.footer-col h3{font-size:13px;color:var(--paper);font-weight:700;letter-spacing:0;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13px;color:rgba(247,243,235,.68)}
.footer-col a:hover{color:var(--paper)}
.footer-col li span{font-size:13px;font-family:var(--mono);color:rgba(247,243,235,.68)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,243,235,.48);
}
.footer-bottom .domain{font-family:var(--mono);letter-spacing:0}
/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:45;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.float-cta.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta.is-away{opacity:0;visibility:hidden;pointer-events:none}
.to-top{
  width:44px;height:44px;border-radius:50%;background:var(--card);border:1px solid var(--line);
  color:var(--ink);font-size:16px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -18px rgba(20,30,28,.6);transition:all var(--ease);
}
.to-top:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.float-btn{height:48px;padding:0 26px;border-radius:999px;box-shadow:0 16px 32px -22px rgba(20,30,28,.8)}
/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;display:none;
}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(20,30,28,.42)}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(320px,86vw);background:var(--paper);
  padding:24px;display:flex;flex-direction:column;gap:8px;border-left:1px solid var(--line);
  animation:slideIn 220ms ease;
}
@keyframes slideIn{from{transform:translateX(24px);opacity:.6}to{transform:translateX(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-head b{font-size:16px;color:var(--ink)}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--card)}
.drawer-panel a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:8px;font-size:15px;font-weight:600;color:var(--ink);
  border:1px solid transparent;
}
.drawer-panel a.drawer-link:hover{background:var(--tint);border-color:var(--line)}
.drawer-panel .drawer-cta{margin-top:auto}
/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity 240ms ease,transform 240ms ease}
.reveal.is-in{opacity:1;transform:none}
/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{padding:0 20px}
  .hero-grid{gap:40px}
}
@media (max-width:1024px){
  .hero h1{font-size:38px}
  .evidence-grid,.faq-grid{gap:32px}
  .evidence-sticky,.faq-aside{position:static}
  .hotline{display:none}
  .search-form input{width:130px}
}
@media (max-width:960px){
  .hero-grid,.value-grid,.demo-grid,.latest-grid,.evidence-grid,.faq-grid,.contact-grid{grid-template-columns:1fr}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:34px}
  .value-side{grid-template-columns:1fr 1fr}
  .tile-grid{grid-template-columns:1fr 1fr}
  .plan-row{grid-template-columns:1fr;gap:16px}
  .plan-action{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .contact-section{padding:72px 0}
  .section{padding:72px 0}
  .anchor-bar{display:block}
}
@media (max-width:768px){
  .brand-row{height:60px;gap:12px}
  .brand-name{font-size:19px}
  .brand-mark{width:32px;height:32px;font-size:16px}
  .brand-sub{font-size:10px}
  .search-form{display:none;position:absolute;left:16px;right:16px;top:64px;z-index:65;background:var(--card);box-shadow:0 12px 30px -22px rgba(20,30,28,.6)}
  .search-form.is-open{display:flex}
  .search-form input{width:100%;flex:1}
  .brand-tools .btn-outline{display:none}
  .menu-toggle{display:inline-flex}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .trust-row{grid-template-columns:1fr;gap:12px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .sec-head{margin-bottom:28px}
  .sec-head h2,.evidence-sticky h2,.faq-aside h2{font-size:24px}
  .value-side,.tile-grid,.form-row{grid-template-columns:1fr}
  .news-body p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .contact-info h2{font-size:24px}
  .contact-form{padding:22px}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
  .float-cta{
    right:0;left:0;bottom:0;flex-direction:row;align-items:center;gap:8px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:var(--paper);border-top:1px solid var(--line);
  }
  .float-cta .to-top{width:44px;height:44px}
  .float-cta .float-btn{flex:1;border-radius:8px;height:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-about{max-width:none}
  .site-footer{padding-top:48px}
  .faq-a p{padding-right:0}
  .hero-float{min-width:132px;padding:8px 12px}
  .hero-float b{font-size:13px}
}
@media (max-width:560px){
  .hero h1{font-size:26px}
  body{font-size:16px}
  .container{padding:0 16px}
  .tile .tile-num b{font-size:26px}
  .plan-row{padding:20px}
  .news-row{gap:12px}
  .news-date{width:48px;padding-right:10px}
  .news-date b{font-size:13px}
  .hero-float-b{display:none}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1}
}
@media (max-width:380px){
  .hero-actions .btn{width:100%}
  .value-side{grid-template-columns:1fr}
  .demo-tabs{gap:6px}
  .demo-tab{font-size:11px;padding:5px 10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --teal:#1E3A3A;
  --teal-dark:#142A2A;
  --amber:#C47A3D;
  --bamboo:#6F8B74;
  --paper:#F7F3EB;
  --card:#FFFFFF;
  --ink:#171B1A;
  --muted:#5E6661;
  --line:#E2DBCE;
  --wash:#EFE8DA;
  --warn:#B07A2A;
  --err:#A65043;
  --ok:#557A5E;
  --c-blue:#3E7C8A;
  --c-rose:#B45A6E;
  --c-gold:#C49A3A;
  --c-green:#6F8B74;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-hover:0 18px 40px -28px rgba(20,30,28,.28);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --mono:ui-monospace,"Roboto Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(30,58,58,.035) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 品牌行 ---------- */
.brand-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand-logo{display:flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:9px;
  background:var(--teal);color:var(--paper);
  display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;
}
.brand-text{display:flex;flex-direction:column;justify-content:center}
.brand-name{font-size:22px;font-weight:700;line-height:1.1;letter-spacing:0;color:var(--teal)}
.brand-sub{font-size:11px;line-height:1.4;color:var(--muted);letter-spacing:.08em}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.search-entry{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);
  font-size:14px;color:var(--muted);transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.search-entry:hover{border-color:var(--teal);color:var(--teal);background:#FBF8F2}
.search-entry svg{width:16px;height:16px;flex:0 0 16px}
.hotline{font-size:13px;color:var(--muted);white-space:nowrap}
.hotline strong{font-family:var(--mono);font-size:14px;color:var(--teal);font-weight:600;letter-spacing:.02em}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--card);align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--teal);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--teal);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* ---------- 频道行 ---------- */
.channel-row{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,235,.96);
  border-bottom:1px solid var(--line);
}
.channel-inner{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;height:48px;display:inline-flex;align-items:center;
  padding:0 14px;font-size:15px;color:var(--muted);white-space:nowrap;
  border-radius:6px;transition:background .2s ease,color .2s ease;
}
.channel:hover{background:var(--wash);color:var(--teal)}
.channel.is-active{color:var(--teal);font-weight:700}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:11px;height:2px;
  background:var(--amber);border-radius:2px;
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--teal);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:#B9B2A4}
.breadcrumb .current{color:#8C8578}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;margin-top:18px;
  color:var(--paper);
  background-color:var(--teal-dark);
  background-image:linear-gradient(102deg,rgba(20,42,42,.95) 0%,rgba(20,42,42,.86) 52%,rgba(20,42,42,.58) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  border-radius:16px;
  overflow:hidden;
}
.page-hero-inner{padding:52px 48px 46px;max-width:860px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:rgba(247,243,235,.78);
  padding:5px 12px;border:1px solid rgba(247,243,235,.28);border-radius:999px;
  margin-bottom:20px;
}
.hero-eyebrow i{width:6px;height:6px;background:var(--amber);border-radius:2px;display:block}
.page-hero h1{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:0}
.hero-desc{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(247,243,235,.86);max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  font-size:13px;border-radius:999px;border:1px solid rgba(247,243,235,.32);
  color:rgba(247,243,235,.9);transition:background .2s ease,border-color .2s ease;
}
.chip.is-on{background:rgba(196,122,61,.9);border-color:rgba(196,122,61,.9);color:#FFF9F0}
.hero-note{
  margin-top:22px;font-size:12.5px;line-height:1.7;color:rgba(247,243,235,.62);
  display:flex;align-items:flex-start;gap:8px;max-width:640px;
}
.hero-note svg{width:15px;height:15px;flex:0 0 15px;margin-top:4px;opacity:.8}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--teal)}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:620px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--amber);
  transition:color .2s ease;
}
.text-link:hover{color:var(--teal);text-decoration:underline;text-underline-offset:5px}

/* ---------- 数据概览条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;margin-bottom:26px;
}
.stat-cell{background:var(--card);padding:20px 24px}
.stat-label{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.stat-value{font-family:var(--mono);font-size:22px;font-weight:600;color:var(--teal);margin-top:6px;line-height:1.3}
.stat-value small{font-family:var(--sans);font-size:12px;font-weight:400;color:var(--muted);margin-left:6px}

/* ---------- 数据表 ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
}
.table-scroll{width:100%;overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:15px}
.data-table thead th{
  background:var(--wash);color:var(--teal);font-size:13px;font-weight:600;letter-spacing:.02em;
  text-align:left;padding:14px 20px;white-space:nowrap;
}
.data-table thead th:last-child{text-align:right}
.data-table tbody td{
  padding:12px 20px;border-top:1px solid var(--line);vertical-align:middle;
}
.data-table tbody tr{transition:background .18s ease}
.data-table tbody tr:hover{background:#FBF8F2}
.cell-issue{font-family:var(--mono);font-size:14.5px;font-weight:600;color:var(--teal);letter-spacing:.03em}
.cell-time{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}
.ball{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);background:#FBF8F2;color:var(--ink);
  font-family:var(--mono);font-size:12.5px;font-weight:600;margin:2px 4px 2px 0;
}
.ball.special{background:rgba(196,122,61,.12);border-color:rgba(196,122,61,.45);color:#8E5525}
.ball-sep{display:inline-block;color:var(--muted);font-family:var(--mono);margin-right:4px}
.cell-action{text-align:right;white-space:nowrap}
.cell-action a{font-size:13.5px;font-weight:600;color:var(--teal);border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease}
.cell-action a:hover{color:var(--amber);border-bottom-color:var(--amber)}
.table-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:16px 20px;border-top:1px solid var(--line);background:#FBF8F2;
}
.table-foot span{font-size:13px;color:var(--muted)}
.table-foot .stamp{font-family:var(--mono);font-size:12.5px}

/* ---------- 口径说明 ---------- */
.notice{
  background:var(--wash);border-left:4px solid var(--amber);border-radius:10px;
  padding:26px 28px;margin-top:28px;
}
.notice h3{font-size:17px;font-weight:700;color:var(--teal);margin-bottom:12px}
.notice p{font-size:14.5px;line-height:1.9;color:#3D4643}
.notice ul{margin-top:12px;display:grid;gap:8px}
.notice li{position:relative;padding-left:18px;font-size:14px;line-height:1.85;color:#3D4643}
.notice li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--bamboo);border-radius:1px;
}

/* ---------- 资讯行 ---------- */
.info-list{border-top:1px solid var(--line)}
.info-row{
  display:flex;align-items:flex-start;gap:20px;padding:18px 4px;
  border-bottom:1px solid var(--line);transition:background .18s ease;
}
.info-row:hover{background:#FBF8F2}
.date-block{
  flex:0 0 56px;width:56px;text-align:center;border:1px solid var(--line);border-radius:8px;
  padding:6px 0;background:var(--card);
}
.date-block b{display:block;font-family:var(--mono);font-size:17px;line-height:1.2;color:var(--teal)}
.date-block span{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);line-height:1.4}
.info-main{flex:1 1 auto;min-width:0}
.info-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;font-size:12px;
  border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--muted);
}
.tag.solid{background:var(--teal);border-color:var(--teal);color:var(--paper)}
.tag.blue{background:rgba(62,124,138,.12);border-color:rgba(62,124,138,.35);color:#2F6573}
.tag.gold{background:rgba(196,154,58,.14);border-color:rgba(196,154,58,.4);color:#8A6A1E}
.info-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink)}
.info-row:hover .info-title{color:var(--teal)}
.info-sub{font-size:13.5px;color:var(--muted);line-height:1.7;margin-top:4px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.info-arrow{flex:0 0 24px;color:#B9B2A4;display:flex;align-items:center;justify-content:center;padding-top:6px}
.info-row:hover .info-arrow{color:var(--amber)}

/* ---------- 分页 ---------- */
.pagination{display:flex;align-items:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.pagination a,.pagination span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 12px;border-radius:8px;
  border:1px solid var(--line);background:var(--card);font-size:13.5px;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.pagination a:hover{border-color:var(--teal);color:var(--teal)}
.pagination .is-current{background:var(--teal);border-color:var(--teal);color:var(--paper);font-weight:600}
.pagination .is-disabled{opacity:.5;pointer-events:none}

/* ---------- 图文说明区 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.split-media{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  background:var(--wash);box-shadow:0 18px 40px -34px rgba(20,30,28,.4);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-body h2{font-size:28px;line-height:1.35;color:var(--teal);margin-bottom:14px}
.split-body p{font-size:15px;line-height:1.9;color:#3D4643}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.mini-card{
  border:1px solid var(--line);border-radius:10px;background:var(--card);padding:18px;
}
.mini-card b{display:block;font-size:14px;color:var(--teal);font-weight:700;margin-bottom:4px}
.mini-card span{font-size:13px;line-height:1.7;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:28px;line-height:1.35;color:var(--teal)}
.faq-aside p{font-size:14.5px;line-height:1.9;color:var(--muted);margin-top:12px}
.faq-aside .btn{margin-top:22px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 4px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--teal)}
.faq-icon{
  position:relative;flex:0 0 18px;width:18px;height:18px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--teal);border-radius:1px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-item.is-open .faq-q{color:var(--teal)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-item.is-open .faq-a{max-height:320px}
.faq-a p{font-size:15px;line-height:1.85;color:#3D4643;padding:0 4px 20px;max-width:68ch}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--teal);color:var(--paper)}
.btn-primary:hover{background:var(--teal-dark);transform:translateY(-1px)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--wash)}
.btn-light{background:var(--paper);color:var(--teal-dark)}
.btn-light:hover{background:#FFFFFF;transform:translateY(-1px)}
.btn-lg{height:48px;padding:0 28px}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--teal-dark);color:var(--paper);padding:52px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-text h2{font-size:26px;line-height:1.35;font-weight:700}
.cta-text p{margin-top:10px;font-size:14.5px;line-height:1.85;color:rgba(247,243,235,.72);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--teal-dark);color:var(--paper);padding:56px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-mark{background:var(--paper);color:var(--teal-dark)}
.footer-brand .brand-name{color:var(--paper)}
.footer-brand .brand-sub{color:rgba(247,243,235,.6)}
.footer-about{margin-top:18px;font-size:13.5px;line-height:1.9;color:rgba(247,243,235,.68);max-width:340px}
.footer-risk{
  margin-top:16px;font-size:12px;line-height:1.8;color:rgba(247,243,235,.5);
  border-left:2px solid rgba(196,122,61,.65);padding-left:12px;max-width:340px;
}
.footer-col h3{font-size:14px;font-weight:700;color:var(--paper);margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:13.5px;color:rgba(247,243,235,.68);transition:color .2s ease}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(247,243,235,.5);
}
.footer-bottom .domain{font-family:var(--mono);font-size:12px;color:rgba(247,243,235,.42)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.to-top{
  width:44px;height:44px;border-radius:50%;background:var(--card);
  border:1px solid var(--line);display:grid;place-items:center;
  box-shadow:var(--shadow-hover);color:var(--teal);transition:border-color .2s ease,transform .2s ease;
}
.to-top:hover{border-color:var(--teal);transform:translateY(-2px)}
.to-top svg{width:16px;height:16px}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,30,28,.42);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:100;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .24s ease;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);display:grid;place-items:center;color:var(--teal);background:var(--card)}
.drawer-nav{display:grid;gap:4px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:8px;
  font-size:15px;color:var(--ink);transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:var(--wash);color:var(--teal)}
.drawer-nav a.is-active{background:var(--wash);color:var(--teal);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);display:grid;gap:12px}
.drawer-foot .hotline{font-size:13px}
.drawer-foot .btn{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 20px}
}
@media (max-width:1024px){
  .brand-inner{height:64px}
  .hotline{display:none}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media{order:-1}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero-inner{padding:44px 32px 40px}
  .page-hero h1{font-size:38px}
}
@media (max-width:960px){
  .stat-strip{grid-template-columns:1fr}
  .page-hero h1{font-size:34px}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .brand-inner{height:60px;gap:12px}
  .brand-actions{gap:10px}
  .search-entry{display:none}
  .brand-actions .btn-outline{display:none}
  .menu-toggle{display:flex}
  .page-hero{margin-top:14px;border-radius:12px}
  .page-hero-inner{padding:32px 22px 30px}
  .page-hero h1{font-size:30px}
  .hero-desc{font-size:15px}
  .section-head h2,.split-body h2,.faq-aside h2{font-size:23px}
  .mini-grid{grid-template-columns:1fr}
  .info-arrow{display:none}
  .info-sub{white-space:normal}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}

  /* 数据表转卡片 */
  .data-table thead{display:none}
  .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%}
  .data-table tbody tr{border-top:1px solid var(--line);padding:10px 0;background:var(--card)}
  .data-table tbody tr:first-child{border-top:0}
  .data-table tbody td{
    border:0;padding:6px 16px;display:flex;align-items:center;justify-content:space-between;gap:14px;
  }
  .data-table tbody td::before{
    content:attr(data-label);font-size:13px;font-weight:600;color:var(--muted);flex:0 0 auto;
  }
  .data-table tbody td.cell-nums{display:block;padding-top:10px;padding-bottom:10px}
  .data-table tbody td.cell-nums::before{display:block;margin-bottom:8px}
  .data-table tbody td.cell-action{justify-content:flex-end;padding-bottom:14px}
  .data-table tbody td.cell-action::before{display:none}
  .table-scroll{overflow-x:visible}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .page-hero h1{font-size:27px}
  .hero-eyebrow{font-size:11px}
  .notice{padding:20px 18px}
  .float-cta{
    left:12px;right:12px;bottom:12px;flex-direction:row-reverse;align-items:center;
  }
  .float-cta .btn{flex:1 1 auto}
  .to-top{flex:0 0 44px}
  .pagination a,.pagination span{min-width:34px;height:34px;padding:0 10px}
}
@media (max-width:380px){
  .page-hero h1{font-size:24px}
  .brand-name{font-size:19px}
  .cta-actions .btn{width:100%;flex:1 1 100%}
  .ball{width:27px;height:27px;font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --ink:#1E3A3A;
  --ink-deep:#142A2A;
  --accent:#C47A3D;
  --bamboo:#6F8B74;
  --paper:#F7F3EB;
  --card:#FFFFFF;
  --text:#171B1A;
  --text-2:#5E6661;
  --line:#E2DBCE;
  --wash:#EFE8DA;
  --warn:#B07A2A;
  --err:#A65043;
  --ok:#557A5E;
  --c1:#3E7C8A;
  --c2:#B45A6E;
  --c3:#C49A3A;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 18px 40px -28px rgba(20,30,28,.28);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --mono:ui-monospace,SFMono-Regular,"Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 顶部品牌行 ============ */
.site-header{position:relative;z-index:60}
.topbar{background:var(--paper);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:8px;background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;flex-shrink:0;
}
.brand-name{display:block;font-size:22px;font-weight:700;line-height:1.2;color:var(--ink);letter-spacing:0}
.brand-sub{display:block;font-size:11px;line-height:1.4;color:var(--text-2);margin-top:2px}
.topbar-tools{display:flex;align-items:center;gap:16px}
.search-form{
  display:flex;align-items:center;gap:6px;height:40px;padding:0 6px 0 14px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;transition:border-color .2s;
}
.search-form:focus-within{border-color:var(--ink)}
.search-form input{
  width:132px;height:100%;border:0;outline:0;background:transparent;font-size:14px;color:var(--text);
}
.search-form input::placeholder{color:#9AA09B}
.search-form button{
  height:30px;padding:0 14px;border:0;border-radius:999px;background:var(--wash);
  color:var(--ink);font-size:13px;font-weight:600;cursor:pointer;transition:background .2s;
}
.search-form button:hover{background:#E3DAC7}
.hotline{font-size:13px;color:var(--text-2);white-space:nowrap;font-family:var(--mono)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-align:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--wash)}
.btn-light{background:var(--paper);color:var(--ink-deep)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-ghost-light{border-color:rgba(247,243,235,.45);color:var(--paper);background:transparent}
.btn-ghost-light:hover{background:rgba(247,243,235,.12)}
.btn-lg{height:48px;padding:0 28px}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.menu-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--card);cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* ============ 频道行 ============ */
.channel-row{
  position:sticky;top:0;z-index:50;
  background:rgba(247,243,235,.96);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:flex;align-items:center;height:48px;padding:0 14px;
  font-size:15px;color:var(--text-2);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.channel:hover{background:var(--wash);color:var(--ink)}
.channel.is-active{color:var(--ink);font-weight:600}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:10px;height:2px;
  background:var(--accent);border-radius:2px;
}

/* ============ 抽屉 ============ */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(20,30,28,.36);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:var(--card);border-left:1px solid var(--line);padding:20px;
  display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  transform:translateX(105%);transition:transform .24s ease;
}
.nav-drawer.is-open{transform:none;box-shadow:-24px 0 48px -32px rgba(20,30,28,.45)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--card);font-size:20px;line-height:1;cursor:pointer;color:var(--ink);
}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 12px;border-radius:var(--radius-sm);font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.drawer-link:hover{background:var(--wash);color:var(--ink)}
.nav-drawer a.drawer-link.is-active{color:var(--ink);font-weight:600;background:var(--wash)}
.drawer-note{margin-top:auto;padding-top:20px;font-size:12px;color:var(--text-2);line-height:1.7}

/* ============ 面包屑 ============ */
.breadcrumb{background:var(--paper);border-bottom:1px solid var(--line)}
.breadcrumb .container{
  display:flex;align-items:center;gap:8px;min-height:48px;font-size:13px;color:var(--text-2);overflow:hidden;
}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#B6B0A4}
.crumb-current{
  color:var(--text-2);opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:44ch;
}

/* ============ 文章头部 ============ */
.article-hero{padding:52px 0 0}
.article-head{max-width:860px;margin:0 auto;padding:0 24px;text-align:center}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--wash);color:var(--text);font-size:12px;line-height:1;
}
.tag-strong{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.article-head h1{
  font-size:36px;line-height:1.3;font-weight:700;color:var(--ink);margin:18px 0 20px;
  letter-spacing:0;overflow-wrap:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 20px;
  font-size:13px;color:var(--text-2);
}
.article-meta .num{font-family:var(--mono);font-size:13px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.article-cover{max-width:1120px;margin:32px auto 0;padding:0 24px}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;border:1px solid var(--line);
  background:var(--wash);
}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;gap:64px;
  justify-content:center;align-items:start;padding:56px 0 72px;
}
.article-content{
  font-family:var(--serif);font-size:17px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
.article-content > * + *{margin-top:1.1em}
.article-content h2{
  position:relative;font-family:var(--sans);font-size:24px;line-height:1.35;font-weight:700;
  color:var(--ink);margin-top:2em;padding-left:14px;scroll-margin-top:80px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--accent);
}
.article-content h3{
  font-family:var(--sans);font-size:19px;line-height:1.5;font-weight:700;color:var(--ink);
  margin-top:1.8em;scroll-margin-top:80px;
}
.article-content p{margin:0}
.article-content a{
  color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;
  text-decoration-color:rgba(196,122,61,.45);text-underline-offset:4px;transition:color .2s,text-decoration-color .2s;
}
.article-content a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.article-content strong{font-weight:700;color:var(--ink)}
.article-content blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--wash);border-left:3px solid var(--bamboo);
  border-radius:0 8px 8px 0;color:var(--text-2);font-size:16px;
}
.article-content ul,.article-content ol{margin:1.2em 0;padding-left:1.5em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li+li{margin-top:.4em}
.article-content img{border-radius:10px;border:1px solid var(--line);margin:1.6em 0;width:100%}
.article-content figure{margin:1.6em 0}
.article-content figcaption{font-family:var(--sans);font-size:13px;color:var(--text-2);margin-top:10px;text-align:center}
.article-content table{
  display:block;width:100%;overflow-x:auto;font-family:var(--sans);font-size:14px;margin:1.6em 0;
}
.article-content th,.article-content td{
  border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap;
}
.article-content th{background:var(--wash);font-weight:600;color:var(--ink)}
.article-content iframe{max-width:100%;border-radius:10px;border:1px solid var(--line)}

/* 文章空态 */
.empty-article{
  border:1px dashed var(--line);background:var(--wash);border-radius:var(--radius);
  padding:56px 24px;text-align:center;
}
.empty-mark{
  width:44px;height:44px;margin:0 auto 16px;border-radius:10px;background:var(--card);
  border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);font-size:18px;font-weight:700;
}
.empty-article p{font-size:16px;color:var(--text-2);margin-bottom:18px}

/* 阅读说明 */
.read-note{
  margin-top:40px;padding:24px;background:var(--wash);border:1px solid var(--line);border-radius:var(--radius);
}
.read-note h2{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px}
.read-note ul{display:grid;gap:10px}
.read-note li{position:relative;padding-left:18px;font-size:14px;line-height:1.8;color:var(--text-2)}
.read-note li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--accent);
}

/* 标签与翻页 */
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.article-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;
}
.nav-cell{
  display:block;padding:18px 20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);transition:border-color .2s,box-shadow .2s,transform .2s;
}
.nav-cell:hover{border-color:rgba(30,58,58,.28);box-shadow:var(--shadow);transform:translateY(-2px)}
.nav-cell span{display:block;font-size:12px;color:var(--text-2);margin-bottom:6px}
.nav-cell strong{display:block;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:76px;display:grid;gap:20px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.panel-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-2);margin-bottom:14px;
}
.toc-list{display:grid;gap:2px;max-height:46vh;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 10px;font-size:14px;line-height:1.5;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 6px 6px 0;transition:background .18s,color .18s,border-color .18s;
}
.toc-list a:hover{background:var(--wash);color:var(--ink);border-left-color:var(--accent)}
.toc-list a.is-sub{padding-left:24px;font-size:13px}
.toc-empty{font-size:13px;color:var(--text-2);line-height:1.7}
.consult-card{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.consult-card h2{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;color:#F7F3EB}
.consult-card p{font-size:13px;line-height:1.8;color:#C9C2B3;margin-bottom:16px}
.consult-card .btn{width:100%}
.related-list{display:grid;gap:14px}
.related-list a{display:block;padding-bottom:14px;border-bottom:1px solid var(--line)}
.related-list a:last-child{border-bottom:0;padding-bottom:0}
.related-list .rl-cat{font-size:12px;color:var(--accent)}
.related-list .rl-title{
  display:block;font-size:14px;font-weight:600;line-height:1.55;color:var(--ink);margin-top:4px;
  transition:color .2s;
}
.related-list a:hover .rl-title{color:var(--accent)}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:24px;font-weight:700;color:var(--ink);line-height:1.35}
.section-head p{font-size:14px;color:var(--text-2);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(30,58,58,.28);box-shadow:var(--shadow)}
.card-media{overflow:hidden;background:var(--wash)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-cat{font-size:12px;color:var(--c1);letter-spacing:.02em}
.card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-2)}
.card-foot .num{font-family:var(--mono)}
.card-arrow{color:var(--accent);font-weight:600;font-size:13px}
.card:hover .card-arrow{text-decoration:underline;text-underline-offset:4px}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink-deep);color:var(--paper);padding:64px 0}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;color:#F7F3EB}
.cta-band p{font-size:15px;line-height:1.85;color:#BFB8A9;margin-top:12px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-points span{
  font-size:12px;padding:6px 12px;border-radius:999px;border:1px solid rgba(247,243,235,.2);
  color:#D7D0C2;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:#E9E4D8;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--paper);color:var(--ink-deep)}
.footer-brand .brand-name{color:#F7F3EB}
.footer-brand .brand-sub{color:#A9A296}
.footer-about{font-size:14px;line-height:1.85;color:#BEB8AA;max-width:40ch}
.footer-risk{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;line-height:1.75;color:#8E887C;max-width:42ch;
}
.footer-col h3{font-size:14px;font-weight:700;color:#F7F3EB;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#CFC9BB;line-height:1.6;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:12px;color:#8E887C;
}
.footer-bottom .domain{font-family:var(--mono);opacity:.8}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.float-cta .btn{box-shadow:0 16px 32px -22px rgba(20,30,28,.6)}
.to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);
  color:var(--ink);display:grid;place-items:center;cursor:pointer;font-size:16px;
  transition:background .2s,transform .2s;
}
.to-top:hover{background:var(--wash);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:40px}
}
@media (max-width:1024px){
  .topbar-inner{height:64px}
  .search-form{display:none}
  .hotline{display:none}
  .menu-toggle{display:inline-flex}
  .topbar-tools .btn-outline{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding:40px 0 56px}
  .article-aside{position:static;order:2}
  .article-head h1{font-size:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  body{font-size:15px}
  .container{width:calc(100% - 36px)}
  .brand-name{font-size:20px}
  .article-hero{padding:36px 0 0}
  .article-head{padding:0 18px}
  .article-head h1{font-size:26px;margin:14px 0 16px}
  .article-cover{padding:0 18px;margin-top:24px}
  .article-content{font-size:17px;line-height:1.9}
  .article-content h2{font-size:21px}
  .article-content h3{font-size:18px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .article-nav{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:23px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .related-section{padding-bottom:56px}
  .read-note{padding:20px}
}
@media (max-width:560px){
  .topbar-inner{height:60px;gap:12px}
  .brand-mark{width:32px;height:32px;font-size:16px}
  .brand-name{font-size:19px}
  .brand-sub{font-size:10px}
  .channel-inner{height:44px}
  .channel{height:44px;font-size:14px;padding:0 12px}
  .channel.is-active::after{bottom:8px;left:12px;right:12px}
  .article-head h1{font-size:23px}
  .article-meta{gap:6px 12px;font-size:12px}
  .article-meta .dot{display:none}
  .breadcrumb .container{min-height:44px;font-size:12px}
  .crumb-current{max-width:18ch}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .float-cta{
    left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));
    flex-direction:row;align-items:center;gap:8px;
  }
  .float-cta .btn{flex:1;height:48px}
  .to-top{width:48px;height:48px;flex:0 0 48px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:380px){
  .brand-sub{display:none}
  .article-head h1{font-size:21px}
  .panel{padding:18px}
  .card-body{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --ink:#1E3A3A;
    --ink-deep:#142A2A;
    --amber:#C47A3D;
    --bamboo:#6F8B74;
    --paper:#F7F3EB;
    --paper-alt:#EFE8DA;
    --card:#FFFFFF;
    --text:#171B1A;
    --muted:#5E6661;
    --line:#E2DBCE;
    --warn:#B07A2A;
    --err:#A65043;
    --ok:#557A5E;
    --spot-1:#3E7C8A;
    --spot-2:#B45A6E;
    --spot-3:#C49A3A;
    --radius:12px;
    --radius-btn:8px;
    --radius-pill:999px;
    --shadow-hover:0 18px 40px -28px rgba(20,30,28,.28);
    --max:1200px;
    --gutter:24px;
    --ease:200ms ease;
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
    --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--paper);
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
  }
  body.is-locked{overflow:hidden;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink);}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
  img{max-width:100%;display:block;border-radius:10px;}
  button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
  :focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px;}

  .container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter);}
  .section{padding:96px 0;}
  .section-tight{padding:64px 0;}
  .section-alt{background:var(--paper-alt);}
  .section-head{max-width:760px;margin-bottom:40px;}
  .section-head h2{font-size:28px;line-height:1.35;margin-bottom:12px;}
  .section-head p{color:var(--muted);font-size:15px;line-height:1.8;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.06em;color:var(--amber);
    text-transform:none;margin-bottom:14px;font-weight:700;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--amber);display:inline-block;}

  /* ---------- 顶部品牌行 ---------- */
  .site-header{position:relative;z-index:80;}
  .brand-bar{background:var(--paper);border-bottom:1px solid var(--line);}
  .brand-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
  .brand{display:inline-flex;align-items:center;gap:12px;min-height:44px;}
  .brand-mark{
    width:36px;height:36px;flex:0 0 36px;border-radius:6px;
    background:var(--ink);color:var(--paper);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:700;line-height:1;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
  .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;margin-top:4px;}
  .brand-tools{display:flex;align-items:center;gap:18px;}
  .tool-link{
    display:inline-flex;align-items:center;gap:8px;min-height:44px;
    font-size:14px;color:var(--muted);
  }
  .tool-link:hover{color:var(--ink);}
  .tool-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;}
  .hotline{font-size:13px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.02em;}
  .menu-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
    background:var(--card);color:var(--ink);
  }
  .menu-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}

  /* ---------- 频道行 ---------- */
  .channel-row{
    position:sticky;top:0;z-index:70;
    background:rgba(247,243,235,.96);
    border-bottom:1px solid var(--line);
  }
  .channel-inner{
    height:48px;display:flex;align-items:center;gap:4px;
    overflow-x:auto;scrollbar-width:none;
  }
  .channel-inner::-webkit-scrollbar{display:none;}
  .channel{
    position:relative;display:inline-flex;align-items:center;
    height:48px;padding:0 16px;font-size:15px;color:var(--text);
    white-space:nowrap;border-radius:6px;
  }
  .channel:hover{background:var(--paper-alt);}
  .channel.is-active{color:var(--ink);font-weight:600;}
  .channel.is-active::after{
    content:"";position:absolute;left:16px;right:16px;bottom:10px;height:2px;background:var(--amber);
  }

  /* ---------- 移动端抽屉 ---------- */
  .drawer{
    position:fixed;inset:0;z-index:95;display:none;
  }
  .drawer.is-open{display:block;}
  .drawer-backdrop{position:absolute;inset:0;background:rgba(20,42,42,.42);}
  .drawer-panel{
    position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;
    background:var(--paper);padding:24px;overflow-y:auto;
    box-shadow:-18px 0 40px -30px rgba(20,30,28,.5);
  }
  .drawer-panel h2{font-size:16px;margin-bottom:16px;}
  .drawer-list a,.drawer-list span{
    display:flex;align-items:center;min-height:46px;
    border-bottom:1px solid var(--line);font-size:15px;color:var(--text);
  }
  .drawer-list a:hover{color:var(--amber);}
  .drawer-close{
    display:flex;align-items:center;justify-content:center;
    width:44px;height:44px;margin-left:auto;border:1px solid var(--line);
    border-radius:var(--radius-btn);background:var(--card);font-size:13px;color:var(--muted);
  }
  .drawer-top{display:flex;align-items:center;margin-bottom:18px;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{background:var(--paper);border-bottom:1px solid var(--line);}
  .breadcrumb-inner{
    min-height:48px;display:flex;align-items:center;gap:10px;
    font-size:13px;color:var(--muted);flex-wrap:wrap;
  }
  .breadcrumb-inner a{color:var(--muted);}
  .breadcrumb-inner a:hover{color:var(--ink);}
  .breadcrumb-sep{color:#B9B1A2;}
  .breadcrumb-current{color:var(--text);font-weight:600;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;line-height:1;
    border:1px solid transparent;transition:all var(--ease);
    white-space:nowrap;
  }
  .btn-lg{height:48px;padding:0 28px;}
  .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .btn-primary{background:var(--ink);color:var(--paper);}
  .btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);}
  .btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
  .btn-outline:hover{background:var(--paper-alt);}
  .btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--ink);}
  .btn[disabled]{opacity:.55;cursor:not-allowed;}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--amber);
    border-bottom:2px solid transparent;padding-bottom:2px;
  }
  .text-link:hover{border-bottom-color:var(--amber);}

  /* ---------- 标签 ---------- */
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    height:24px;padding:0 10px;border-radius:var(--radius-pill);
    border:1px solid var(--line);background:var(--paper-alt);
    font-size:12px;line-height:1;color:var(--text);white-space:nowrap;
  }
  .tag-solid{background:var(--ink);color:var(--paper);border-color:var(--ink);}
  .tag-amber{background:#F6EDE3;border-color:#E7D3BE;color:#8C5527;}
  .tag-bamboo{background:#EDF1EC;border-color:#D6DFD5;color:#47614C;}

  /* ---------- 分类页 Hero ---------- */
  .academy-hero{padding:56px 0 72px;background:linear-gradient(180deg,var(--paper) 0%,var(--paper) 62%,var(--paper-alt) 100%);}
  .academy-hero-grid{
    display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  }
  .academy-hero h1{
    font-size:44px;line-height:1.2;letter-spacing:-.01em;margin-bottom:18px;
  }
  .academy-hero h1 em{font-style:normal;color:var(--amber);}
  .hero-lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:560px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .hero-search{margin-top:28px;display:flex;gap:10px;max-width:520px;}
  .hero-search input{
    flex:1 1 auto;height:48px;padding:0 16px;border-radius:var(--radius-btn);
    border:1px solid var(--line);background:var(--card);color:var(--text);
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .hero-search input::placeholder{color:#9A9E99;}
  .hero-search input:focus{
    outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(30,58,58,.10);
  }
  .hero-search .btn{flex:0 0 auto;}
  .hero-note{margin-top:14px;font-size:13px;color:var(--muted);}
  .hero-figure{position:relative;}
  .hero-figure img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
    border:1px solid var(--line);
  }
  .hero-figure figcaption{
    margin-top:12px;font-size:13px;color:var(--muted);text-align:right;
  }
  .hero-badge{
    position:absolute;left:18px;bottom:18px;
    background:rgba(247,243,235,.94);border:1px solid var(--line);
    border-radius:8px;padding:10px 14px;font-size:12px;color:var(--ink);
    display:inline-flex;align-items:center;gap:8px;
  }
  .hero-badge b{font-family:var(--font-mono);font-size:13px;}

  /* ---------- 筛选条 ---------- */
  .filter-bar{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;
    padding:18px 0 0;
  }
  .filter-label{font-size:13px;color:var(--muted);margin-right:4px;}
  .chip{
    display:inline-flex;align-items:center;height:34px;padding:0 14px;
    border-radius:var(--radius-pill);border:1px solid var(--line);
    background:var(--card);font-size:13px;color:var(--text);cursor:pointer;
    transition:all var(--ease);
  }
  .chip:hover{border-color:var(--ink);color:var(--ink);}
  .chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper);}

  /* ---------- 学习卡片 ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;display:flex;flex-direction:column;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,58,58,.28);}
  .card-media{overflow:hidden;}
  .card-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;
    transition:transform 240ms ease;
  }
  .card:hover .card-media img{transform:scale(1.03);}
  .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
  .card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .card-title{font-size:19px;line-height:1.5;}
  .card-title a:hover{color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
  .card-desc{font-size:14px;line-height:1.8;color:var(--muted);}
  .card-foot{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    gap:12px;padding-top:14px;border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);font-family:var(--font-mono);
  }
  .arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);font-family:var(--font-sans);}
  .arrow-link:hover{color:var(--amber);}
  .arrow-link::after{content:"→";transition:transform var(--ease);}
  .arrow-link:hover::after{transform:translateX(3px);}

  /* ---------- 学习路径 ---------- */
  .path-strip{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
    margin-top:8px;
  }
  .path-step{
    position:relative;padding:26px 24px 24px;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius);
    border-top:2px solid var(--amber);
  }
  .path-num{
    font-family:var(--font-mono);font-size:12px;color:var(--amber);
    letter-spacing:.08em;margin-bottom:10px;display:block;
  }
  .path-step h3{font-size:18px;margin-bottom:8px;}
  .path-step p{font-size:14px;line-height:1.8;color:var(--muted);}
  .path-scale{
    display:flex;align-items:center;gap:6px;margin-top:18px;
  }
  .path-scale i{display:block;height:3px;flex:1 1 auto;background:var(--line);border-radius:2px;}
  .path-step:nth-child(1) .path-scale i:nth-child(-n+1),
  .path-step:nth-child(2) .path-scale i:nth-child(-n+2),
  .path-step:nth-child(3) .path-scale i:nth-child(-n+3){background:var(--bamboo);}

  /* ---------- 迷你 FAQ ---------- */
  .mini-faq{max-width:820px;}
  .faq-item{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    margin-bottom:12px;overflow:hidden;
  }
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
    gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
    min-height:56px;transition:background-color var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{background:var(--paper-alt);}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:6px;
    border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
    font-size:15px;color:var(--amber);font-weight:400;
  }
  .faq-item[open] summary::after{content:"−";background:var(--paper-alt);}
  .faq-item[open] summary{border-bottom:1px solid var(--line);}
  .faq-answer{padding:18px 22px 22px;font-size:15px;line-height:1.8;color:var(--muted);max-width:68ch;}

  /* ---------- CTA 带 ---------- */
  .cta-band{background:var(--ink-deep);color:var(--paper);}
  .cta-inner{
    padding:56px 0;display:flex;align-items:center;justify-content:space-between;
    gap:32px;flex-wrap:wrap;
  }
  .cta-inner h2{color:var(--paper);font-size:26px;line-height:1.35;margin-bottom:10px;}
  .cta-inner p{color:rgba(247,243,235,.76);font-size:14px;line-height:1.8;max-width:620px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
  .cta-band .btn-primary{background:var(--amber);color:#142A2A;}
  .cta-band .btn-primary:hover{background:#B06A31;}
  .cta-band .btn-outline{border-color:rgba(247,243,235,.5);color:var(--paper);}
  .cta-band .btn-outline:hover{background:rgba(247,243,235,.10);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink-deep);color:var(--paper);padding:64px 0 0;}
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
    padding-bottom:48px;border-bottom:1px solid rgba(247,243,235,.14);
  }
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
  .footer-brand .brand-mark{background:var(--paper);color:var(--ink-deep);}
  .footer-brand .brand-name{color:var(--paper);font-size:20px;}
  .footer-brand .brand-sub{color:rgba(247,243,235,.6);}
  .footer-about{font-size:14px;line-height:1.85;color:rgba(247,243,235,.72);max-width:360px;}
  .footer-risk{
    margin-top:16px;font-size:12px;line-height:1.8;color:rgba(247,243,235,.5);
    max-width:360px;padding-left:12px;border-left:2px solid rgba(196,122,61,.6);
  }
  .footer-col h3{font-size:14px;color:var(--paper);margin-bottom:16px;letter-spacing:.04em;}
  .footer-col li{margin-bottom:10px;}
  .footer-col a,.footer-col span{
    font-size:14px;color:rgba(247,243,235,.72);line-height:1.7;
  }
  .footer-col a:hover{color:var(--amber);}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    flex-wrap:wrap;padding:20px 0 24px;font-size:12px;color:rgba(247,243,235,.52);
  }
  .footer-bottom .domain{font-family:var(--font-mono);color:rgba(247,243,235,.42);}

  /* ---------- 浮动 CTA ---------- */
  .float-cta{
    position:fixed;right:24px;bottom:24px;z-index:60;
    display:flex;flex-direction:column;align-items:flex-end;gap:10px;
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  .float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
  .float-cta .btn{box-shadow:0 14px 30px -18px rgba(20,30,28,.6);}
  .to-top{
    width:44px;height:44px;border-radius:50%;background:var(--card);
    border:1px solid var(--line);color:var(--ink);display:inline-flex;
    align-items:center;justify-content:center;font-size:15px;
    box-shadow:0 12px 26px -20px rgba(20,30,28,.5);
  }
  .to-top:hover{border-color:var(--ink);}
  .float-bar{display:none;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .section{padding:72px 0;}
    .academy-hero-grid{grid-template-columns:1fr;gap:32px;}
    .academy-hero h1{font-size:38px;}
    .hero-figure{max-width:640px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:900px){
    .card-grid{grid-template-columns:1fr;}
    .path-strip{grid-template-columns:1fr;}
  }
  @media (max-width:768px){
    .section{padding:48px 0;}
    .brand-inner{height:60px;}
    .hotline,.brand-tools .btn-outline,.tool-link span{display:none;}
    .menu-toggle{display:inline-flex;}
    .academy-hero{padding:36px 0 48px;}
    .academy-hero h1{font-size:32px;}
    .section-head h2{font-size:24px;}
    .cta-inner{padding:44px 0;}
    .cta-inner h2{font-size:22px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .float-cta{display:none;}
    .float-bar{
      display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
      padding:10px 16px calc(10px + env(safe-area-inset-bottom));
      gap:10px;background:rgba(247,243,235,.97);
      border-top:1px solid var(--line);
      opacity:0;visibility:hidden;transform:translateY(100%);
      transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
    }
    .float-bar.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
    .float-bar .btn{flex:1 1 0;}
    body.has-float-bar{padding-bottom:70px;}
  }
  @media (max-width:560px){
    :root{--gutter:18px;}
    .academy-hero h1{font-size:30px;}
    .hero-search{flex-direction:column;}
    .hero-search .btn{width:100%;}
    .card-body{padding:20px;}
    .btn{width:auto;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 100%;}
  }
  @media (max-width:380px){
    .brand-sub{display:none;}
    .hero-badge{display:none;}
    .btn-lg,.btn{width:100%;}
    .fx-only-desktop{display:none;}
  }

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

/* roulang page: category3 */
:root{
  --ink:#1E3A3A;
  --ink-deep:#142A2A;
  --orange:#C47A3D;
  --bamboo:#6F8B74;
  --paper:#F7F3EB;
  --card:#FFFFFF;
  --text:#171B1A;
  --muted:#5E6661;
  --line:#E2DBCE;
  --tint:#EFE8DA;
  --warn:#B07A2A;
  --err:#A65043;
  --ok:#557A5E;
  --spot-1:#3E7C8A;
  --spot-2:#B45A6E;
  --spot-3:#C49A3A;
  --radius:12px;
  --radius-sm:8px;
  --shadow-hover:0 18px 40px -28px rgba(20,30,28,.28);
  --container:1200px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Roboto Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(30,58,58,.035) 1px,transparent 1px);
  background-size:22px 22px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tint{background:var(--tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--orange);
  font-weight:600;text-transform:uppercase;
}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.35;color:var(--ink);font-weight:700;margin:10px 0 12px}
.section-head p{font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-lg{height:48px;padding:0 28px}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--tint);transform:translateY(-1px)}
.btn-light{background:var(--paper);color:var(--ink-deep)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(247,243,235,.5);color:var(--paper)}
.btn-outline-light:hover{border-color:var(--paper);background:rgba(247,243,235,.08)}
.btn:active{transform:translateY(0)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--orange);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-arrow:hover{border-bottom-color:var(--orange);color:var(--ink)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:12px;line-height:1;border-radius:999px;
  border:1px solid var(--line);background:var(--tint);color:var(--text);
  white-space:nowrap;
}
.tag-solid{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.tag-mono{font-family:var(--mono);letter-spacing:.03em}
.tag-soft{background:#fff;border-color:var(--line);color:var(--muted)}
.tag-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--bamboo);margin-right:6px;flex:none}
.tag-btn{cursor:pointer;transition:background-color .2s ease,border-color .2s ease,color .2s ease}
.tag-btn:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* ---------- 品牌行 ---------- */
.brand-bar{background:var(--card);border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;padding:6px 0}
.brand-mark{
  width:36px;height:36px;border-radius:8px;flex:none;
  background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-name{font-size:22px;font-weight:700;line-height:1.1;color:var(--ink);letter-spacing:0}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.12em;line-height:1.2}
.brand-actions{display:flex;align-items:center;gap:18px}
.search-link{
  display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 10px;
  font-size:14px;color:var(--muted);border-radius:var(--radius-sm);
}
.search-link:hover{color:var(--ink);background:var(--tint)}
.search-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8}
.hotline{font-size:13px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em}
.hotline strong{color:var(--ink);font-weight:600}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--card);cursor:pointer;
}
.menu-btn svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:1.8}

/* ---------- 频道行 ---------- */
.channel-row{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,235,.96);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;align-items:stretch;gap:4px;
  height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;
  padding:0 16px;font-size:15px;color:var(--muted);white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.channel:hover{background:var(--tint);color:var(--ink)}
.channel.is-active{color:var(--ink);font-weight:600}
.channel.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;
  height:2px;background:var(--orange);border-radius:2px;
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(20,42,42,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(320px,86vw);
  background:var(--paper);border-left:1px solid var(--line);
  padding:24px 20px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .24s ease;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{
  width:40px;height:40px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--card);cursor:pointer;
  display:grid;place-items:center;font-size:18px;color:var(--ink);
}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;
  border-radius:var(--radius-sm);font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{background:var(--tint)}
.drawer-link.is-active{color:var(--orange);font-weight:600}
.drawer-cta{margin-top:16px;display:flex;flex-direction:column;gap:10px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 4px;font-size:13px;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#C6BEB0}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .current{color:#8D948F}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;isolation:isolate;
  padding:44px 0 52px;
  border-bottom:1px solid var(--line);
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(247,243,235,.96) 0%,rgba(247,243,235,.9) 60%,rgba(247,243,235,.94) 100%);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:end}
.hero-copy h1{
  font-size:44px;line-height:1.2;font-weight:700;color:var(--ink);
  letter-spacing:0;margin:14px 0 16px;
}
.hero-copy p{font-size:16px;line-height:1.9;color:var(--muted);max-width:56ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.hero-facts{
  display:grid;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;
}
.fact{display:flex;align-items:flex-start;gap:14px}
.fact-num{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);
  min-width:52px;padding-top:2px;
}
.fact-body strong{display:block;font-size:15px;color:var(--ink);font-weight:600}
.fact-body span{font-size:13px;color:var(--muted);line-height:1.7}
.hero-facts .divider{height:1px;background:var(--line)}

/* ---------- 特稿 ---------- */
.feature{
  display:grid;grid-template-columns:7fr 5fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,58,58,.28)}
.feature-media{overflow:hidden;background:var(--tint)}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .35s ease}
.feature:hover .feature-media img{transform:scale(1.03)}
.feature-body{padding:32px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.feature-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.feature-body h3{font-size:24px;line-height:1.4;font-weight:700;color:var(--ink)}
.feature-body p{font-size:15px;line-height:1.85;color:var(--muted)}
.feature-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:6px;padding-top:16px;border-top:1px solid var(--line)}
.feature-foot .read{font-size:13px;color:var(--muted);font-family:var(--mono)}

/* ---------- 杂志主格 ---------- */
.mag-grid{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:start}
.block-title{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:28px;
}
.block-title h2{font-size:24px;font-weight:700;color:var(--ink);line-height:1.35}
.block-title span{font-size:13px;color:var(--muted);font-family:var(--mono)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:30px;margin-top:4px}
.timeline::before{
  content:"";position:absolute;left:5px;top:6px;bottom:10px;width:1px;background:var(--line);
}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:11px;height:11px;
  background:var(--orange);border-radius:2px;
}
.tl-date{
  font-family:var(--mono);font-size:13px;color:var(--orange);letter-spacing:.04em;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.tl-title{font-size:19px;line-height:1.5;font-weight:700;color:var(--ink);margin:8px 0 8px}
.tl-title a:hover{color:var(--orange)}
.tl-desc{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:10px}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.tl-src{font-size:13px;color:#8D948F}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:88px;display:flex;flex-direction:column;gap:24px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;
}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.mini-card{
  display:flex;gap:14px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--card);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.mini-card+.mini-card{margin-top:12px}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(30,58,58,.28);box-shadow:var(--shadow-hover)}
.mini-card img{width:86px;height:66px;object-fit:cover;border-radius:8px;flex:none;background:var(--tint)}
.mini-card h4{font-size:15px;line-height:1.55;font-weight:600;color:var(--ink);margin-bottom:4px}
.mini-card span{font-size:12px;color:var(--muted);font-family:var(--mono)}
.side-note{
  background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:24px;
}
.side-note h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--paper)}
.side-note p{font-size:13px;line-height:1.8;color:rgba(247,243,235,.82);margin-bottom:16px}
.side-note .btn{width:100%}

/* ---------- 观察方法 ---------- */
.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.method-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.method-item:hover{transform:translateY(-2px);border-color:rgba(30,58,58,.28);box-shadow:var(--shadow-hover)}
.num-badge{
  width:32px;height:32px;border-radius:6px;background:var(--tint);
  display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--ink);
  margin-bottom:14px;
}
.method-item h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.5}
.method-item p{font-size:14px;line-height:1.85;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:28px;line-height:1.35;color:var(--ink);font-weight:700;margin:10px 0 14px}
.faq-aside p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:20px}
.faq-aside .contact-line{font-size:13px;color:var(--ink);font-family:var(--mono);margin-bottom:6px}
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--orange)}
.faq-icon{
  width:24px;height:24px;flex:none;border-radius:50%;
  border:1px solid var(--line);color:var(--ink);
  display:grid;place-items:center;font-size:15px;line-height:1;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .24s ease;
}
.faq-item.is-open .faq-icon{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--muted);max-width:68ch}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink-deep);color:var(--paper);padding:56px 0}
.cta-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta-inner h2{font-size:28px;line-height:1.4;font-weight:700;color:var(--paper);margin-bottom:10px}
.cta-inner p{font-size:15px;line-height:1.85;color:rgba(247,243,235,.8);max-width:60ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#EDE7DA;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-name{color:var(--paper)}
.footer-brand .brand-sub{color:rgba(247,243,235,.6)}
.footer-brand .brand-mark{background:var(--orange);color:#1B2220}
.footer-about{font-size:14px;line-height:1.9;color:#B9B2A4;margin-bottom:14px}
.footer-risk{
  font-size:12px;line-height:1.8;color:#8F897C;
  border-left:2px solid var(--orange);padding-left:12px;
}
.footer-col h3{font-size:14px;font-weight:600;color:var(--paper);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#C9C3B6;line-height:1.6}
.footer-col a:hover{color:var(--paper);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12px;color:#8F897C;
}
.footer-bottom .domain{font-family:var(--mono);color:#6F7A74}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.to-top{
  width:42px;height:42px;border-radius:50%;
  background:var(--card);border:1px solid var(--line);color:var(--ink);
  display:grid;place-items:center;cursor:pointer;font-size:15px;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.to-top:hover{background:var(--tint);border-color:var(--ink);transform:translateY(-1px)}
.float-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:999px;
  background:var(--ink);color:var(--paper);font-size:15px;font-weight:600;
  box-shadow:0 14px 32px -20px rgba(20,30,28,.6);
  transition:background-color .2s ease,transform .2s ease;
}
.float-btn:hover{background:var(--ink-deep);transform:translateY(-1px)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-grid{gap:36px}
  .mag-grid{gap:36px}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;align-items:start;gap:28px}
  .hero-copy h1{font-size:38px}
  .feature{grid-template-columns:1fr}
  .feature-media img{aspect-ratio:16/9}
  .mag-grid{grid-template-columns:1fr}
  .side-col{position:static}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .cta-inner{grid-template-columns:1fr;gap:24px}
}
@media (max-width:960px){
  .method-grid{grid-template-columns:1fr}
  .hero-copy h1{font-size:34px}
}
@media (max-width:768px){
  .brand-inner{min-height:60px}
  .brand-name{font-size:20px}
  .brand-actions .hotline,
  .brand-actions .brand-cta{display:none}
  .menu-btn{display:inline-flex}
  .section{padding:48px 0}
  .hero-copy h1{font-size:32px}
  .hero-copy p{font-size:15px}
  .section-head h2,.faq-aside h2,.cta-inner h2{font-size:24px}
  .feature-body{padding:22px}
  .feature-body h3{font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .tl-title{font-size:17px}
  .container{padding:0 20px}
  .page-hero{padding:28px 0 36px}
}
@media (max-width:560px){
  body{font-size:16px}
  .brand-sub{font-size:10px;letter-spacing:.08em}
  .hero-copy h1{font-size:30px}
  .hero-facts{padding:20px}
  .block-title{flex-direction:column;align-items:flex-start;gap:6px}
  .feature-foot{flex-direction:column;align-items:flex-start;gap:10px}
  .tl-foot{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-q{font-size:15px}
  .cta-actions .btn{width:100%}
  .float-cta{
    left:16px;right:16px;bottom:16px;
    flex-direction:row;align-items:center;justify-content:space-between;
  }
  .float-cta .float-btn{flex:1}
  .to-top{width:48px;height:48px;flex:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:380px){
  .hero-copy h1{font-size:26px}
  .brand-actions{gap:10px}
  .tag{font-size:11px}
  .btn{width:100%}
  .side-note .btn,.float-btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .feature:hover,.method-item:hover,.mini-card:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --ink:#1E3A3A;
  --ink-deep:#142A2A;
  --clay:#C47A3D;
  --bamboo:#6F8B74;
  --paper:#F7F3EB;
  --card:#FFFFFF;
  --text:#171B1A;
  --muted:#5E6661;
  --line:#E2DBCE;
  --tint:#EFE8DA;
  --warn:#B07A2A;
  --error:#A65043;
  --success:#557A5E;
  --dot-a:#3E7C8A;
  --dot-b:#B45A6E;
  --dot-c:#C49A3A;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --shadow-hover:0 18px 40px -28px rgba(20,30,28,.28);
  --gap-block:96px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0}
p{margin:0}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:0 0 var(--r-btn) 0;z-index:200}
.skip-link:focus{left:0}

/* ============ 品牌行 ============ */
.site-header{background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  background:var(--ink);color:var(--paper);
  border-radius:6px;font-size:18px;font-weight:700;line-height:1;
  box-shadow:inset 0 0 0 2px rgba(247,243,235,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:22px;font-weight:700;color:var(--ink)}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.04em;margin-top:2px}
.header-right{display:flex;align-items:center;gap:16px}
.search-box{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--card);transition:border-color .2s ease,box-shadow .2s ease}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(30,58,58,.08)}
.search-box svg{flex:0 0 16px;color:var(--muted)}
.search-box input{border:0;outline:0;background:transparent;width:150px;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:#9AA39E}
.hotline{display:inline-flex;flex-direction:column;line-height:1.25;font-size:12px;color:var(--muted)}
.hotline strong{font-size:14px;color:var(--ink);font-family:var(--font-mono);font-weight:600;letter-spacing:.01em}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--card);align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--tint);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--tint);border-color:var(--ink)}
.btn-lg{height:48px;padding:0 28px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.text-link{color:var(--ink);font-weight:600;font-size:14px;border-bottom:2px solid transparent;padding-bottom:2px;transition:border-color .2s ease,color .2s ease}
.text-link:hover{color:var(--clay);border-color:var(--clay)}

/* ============ 频道行 ============ */
.channel-row{
  position:sticky;top:0;z-index:40;
  background:rgba(247,243,235,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:none;
}
.channel-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.channel:hover{background:var(--tint);color:var(--ink)}
.channel.is-active{color:var(--ink)}
.channel.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:12px;height:2px;background:var(--clay);border-radius:2px;
}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--paper)}
.crumb{display:flex;align-items:center;gap:8px;height:48px;font-size:13px;color:var(--muted);overflow:hidden}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#B9B2A5}
.crumb .current{color:var(--ink);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ============ Hero ============ */
.hero{
  position:relative;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(247,243,235,.92),rgba(247,243,235,.97)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:64px 0 72px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:12px;line-height:1;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--tint);color:var(--text);
}
.tag-ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.tag-clay{background:transparent;border-color:var(--clay);color:var(--clay)}
.hero h1{font-size:44px;line-height:1.2;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--clay)}
.hero-lede{margin-top:18px;font-size:17px;line-height:1.85;color:var(--muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta div{min-width:120px}
.hero-meta .k{font-size:12px;color:var(--muted);letter-spacing:.02em}
.hero-meta .v{font-size:15px;font-weight:700;color:var(--ink);margin-top:2px}
.hero-aside{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:0 18px 40px -34px rgba(20,30,28,.35)}
.aside-title{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.aside-title span{font-size:12px;font-weight:400;color:var(--muted);font-family:var(--font-mono)}
.aside-list{margin:16px 0 20px;display:flex;flex-direction:column;gap:2px}
.aside-list a{display:flex;align-items:center;gap:12px;padding:9px 8px;border-radius:6px;font-size:14px;color:var(--text);transition:background-color .2s ease,color .2s ease}
.aside-list a:hover{background:var(--tint);color:var(--ink)}
.aside-list .no{
  flex:0 0 24px;width:24px;height:24px;display:grid;place-items:center;
  background:var(--tint);color:var(--ink);border-radius:4px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;
}

/* ============ 通用板块 ============ */
.section{padding:var(--gap-block) 0}
.section-tint{background:var(--tint)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.35;color:var(--ink)}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--clay);text-transform:none;margin-bottom:14px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--clay);display:block}

/* ============ 工具矩阵 ============ */
.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.tool-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,58,58,.3)}
.tool-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
.tool-no{
  width:32px;height:32px;display:grid;place-items:center;
  background:var(--ink);color:var(--paper);border-radius:6px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;
}
.tool-kind{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:var(--r-pill);padding:2px 10px;line-height:1.6}
.tool-card h3{font-size:19px;color:var(--ink);line-height:1.5}
.tool-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted)}
.tool-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;color:var(--ink);min-height:44px}
.tool-link svg{transition:transform .2s ease}
.tool-link:hover{color:var(--clay)}
.tool-link:hover svg{transform:translateX(4px)}
.tool-note{margin-top:20px;display:inline-flex;align-items:flex-start;gap:10px;padding:14px 18px;border:1px dashed var(--line);border-radius:var(--r-btn);background:rgba(239,232,218,.55);font-size:13px;color:var(--muted);line-height:1.75}

/* ============ 使用说明 7/5 ============ */
.usage{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.usage-media{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:var(--tint)}
.usage-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.usage-media:hover img{transform:scale(1.03)}
.usage-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:12px;color:var(--paper);
  background:linear-gradient(180deg,rgba(20,42,42,0),rgba(20,42,42,.82));
}
.usage-list{display:flex;flex-direction:column;gap:0;margin-top:26px}
.usage-item{display:grid;grid-template-columns:32px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.usage-item:last-child{border-bottom:1px solid var(--line)}
.usage-item .no{
  width:28px;height:28px;display:grid;place-items:center;border-radius:4px;
  background:var(--tint);color:var(--ink);font-family:var(--font-mono);font-size:12px;font-weight:600;
}
.usage-item h3{font-size:17px;color:var(--ink)}
.usage-item p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 服务流程刻度条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:8px}
.step{position:relative;padding-top:30px}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--line)}
.step::after{content:"";position:absolute;top:-4px;left:0;width:10px;height:10px;background:var(--clay);border-radius:2px}
.step .step-no{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--clay);letter-spacing:.08em}
.step h3{font-size:17px;color:var(--ink);margin-top:6px}
.step p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:88px}
.faq-side h2{font-size:28px;color:var(--ink);line-height:1.35}
.faq-side p{margin-top:14px;font-size:15px;color:var(--muted)}
.faq-side .side-card{margin-top:24px;padding:20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card)}
.faq-side .side-card h3{font-size:15px;color:var(--ink)}
.faq-side .side-card p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.8}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  min-height:60px;padding:16px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--clay)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);transition:transform .2s ease,background-color .2s ease}
.faq-icon::before{top:8px;left:0;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-item.is-open .faq-q{color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 40px 22px 4px;font-size:15px;line-height:1.85;color:var(--muted);max-width:68ch}

/* ============ 联系 / CTA ============ */
.contact-band{background:var(--ink-deep);color:var(--paper);padding:var(--gap-block) 0}
.contact-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start}
.contact-band h2{font-size:30px;line-height:1.35;color:#FFFFFF}
.contact-band .lede{margin-top:16px;font-size:15px;line-height:1.9;color:rgba(247,243,235,.72);max-width:480px}
.contact-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.contact-points li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(247,243,235,.82);line-height:1.8}
.contact-points .dot{flex:0 0 8px;width:8px;height:8px;margin-top:9px;background:var(--clay);border-radius:2px}
.contact-info{margin-top:30px;display:flex;flex-wrap:wrap;gap:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.contact-info .k{font-size:12px;color:rgba(247,243,235,.55)}
.contact-info .v{font-size:15px;font-weight:600;color:#FFFFFF;margin-top:2px}
.form-card{background:var(--card);border-radius:var(--r-card);padding:28px;border:1px solid var(--line);color:var(--text)}
.form-card h3{font-size:18px;color:var(--ink)}
.form-card .form-hint{margin-top:6px;font-size:13px;color:var(--muted)}
.form-row{margin-top:16px}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-row input[type="text"],
.form-row input[type="tel"],
.form-row input[type="email"],
.form-row select,
.form-row textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#FDFBF7;
  padding:11px 12px;font-size:14px;line-height:1.6;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;appearance:none;
}
.form-row select{height:44px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-row textarea{min-height:96px;resize:vertical}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:0;border-color:var(--ink);box-shadow:0 0 0 3px rgba(30,58,58,.1)}
.form-row .err{display:none;margin-top:6px;font-size:12px;color:var(--error)}
.form-row.has-error input,.form-row.has-error select,.form-row.has-error textarea{border-color:var(--error)}
.form-row.has-error .err{display:block}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .form-row{margin-top:16px}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:12px;color:var(--muted);line-height:1.75}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--ink)}
.form-actions{margin-top:20px}
.form-status{margin-top:14px;font-size:13px;border-radius:var(--r-btn);padding:12px 14px;display:none}
.form-status.ok{display:block;background:rgba(85,122,94,.12);color:var(--success);border:1px solid rgba(85,122,94,.3)}
.form-status.bad{display:block;background:rgba(166,80,67,.1);color:var(--error);border:1px solid rgba(166,80,67,.28)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:var(--paper);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-mark{background:var(--paper);color:var(--ink-deep)}
.footer-brand .brand-name{color:var(--paper);font-size:20px}
.footer-brand .brand-sub{color:rgba(247,243,235,.55)}
.footer-about{margin-top:18px;font-size:13px;line-height:1.9;color:rgba(247,243,235,.66);max-width:340px}
.footer-risk{margin-top:14px;font-size:12px;line-height:1.8;color:rgba(247,243,235,.45);max-width:340px}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.06em;color:rgba(247,243,235,.9);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:13px;color:rgba(247,243,235,.66);transition:color .2s ease}
.footer-col a:hover{color:#FFFFFF}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;font-size:12px;color:rgba(247,243,235,.5);
}
.footer-bottom .domain{font-family:var(--font-mono);font-size:12px;color:rgba(247,243,235,.4)}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta.is-hidden{opacity:0;visibility:hidden;transform:translateY(12px)}
.float-cta .to-top{
  width:44px;height:44px;border-radius:50%;background:var(--card);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);box-shadow:0 10px 24px -18px rgba(20,30,28,.6);
}
.float-cta .to-top:hover{border-color:var(--ink);background:var(--tint)}
.float-cta .main{
  height:48px;padding:0 24px;border-radius:var(--r-pill);background:var(--ink);color:var(--paper);
  display:inline-flex;align-items:center;font-size:15px;font-weight:600;
  box-shadow:0 14px 30px -18px rgba(20,30,28,.7);transition:background-color .2s ease,transform .2s ease;
}
.float-cta .main:hover{background:var(--ink-deep);transform:translateY(-1px)}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(20,30,28,.45)}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--paper);
  padding:20px 22px 32px;overflow-y:auto;box-shadow:-20px 0 48px -32px rgba(20,30,28,.6);
  display:flex;flex-direction:column;gap:6px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--card);display:grid;place-items:center;font-size:18px;line-height:1}
.drawer-panel a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--ink);
}
.drawer-panel a.drawer-link:hover{background:var(--tint)}
.drawer-panel a.drawer-link.is-active{color:var(--clay)}
.drawer-panel .btn{margin-top:16px}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero h1{font-size:40px}
}
@media (max-width:1024px){
  :root{--gap-block:72px}
  .header-inner{height:64px}
  .search-box input{width:110px}
  .hotline{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:48px 0 56px}
  .usage{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:960px){
  .hero h1{font-size:36px}
  .section-head h2{font-size:26px}
}
@media (max-width:768px){
  .menu-toggle{display:inline-flex}
  .search-box{display:none}
  .header-right .btn{display:none}
  .hero-inner{padding:36px 0 44px}
  .hero h1{font-size:32px}
  .hero-lede{font-size:16px}
  .hero-meta{gap:20px}
  .tool-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:24px}
  .form-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom));
    flex-direction:row-reverse;align-items:center;gap:10px;
  }
  .float-cta .main{flex:1;justify-content:center}
  .contact-band h2{font-size:26px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:560px){
  .container{padding:0 18px}
  :root{--gap-block:48px}
  .hero h1{font-size:32px}
  .section-head h2{font-size:24px}
  .brand-name{font-size:20px}
  .tool-card,.hero-aside,.form-card{padding:20px}
  .faq-q{font-size:15px;min-height:56px}
  .faq-a p{padding-right:8px}
  .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:380px){
  .hero h1{font-size:28px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .brand-sub{display:none}
  .eyebrow{letter-spacing:.08em}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}