/* roulang page: index */
:root{
  --brand:#C8F23C;
  --brand-strong:#B7E32A;
  --accent:#FF5A2B;
  --info:#3DDCFF;
  --ink:#0B1013;
  --panel:#131A1E;
  --line-dark:#223037;
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DA;
  --tx-dark:#F2F5F2;
  --tx-dark-2:#9FB0AF;
  --tx:#101619;
  --tx-2:#5A6663;
  --ok:#34D399;
  --warn:#F5C542;
  --err:#FF5C5C;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --shadow:0 1px 2px rgba(16,22,25,.06),0 14px 30px -20px rgba(16,22,25,.28);
  --shadow-hover:0 2px 5px rgba(16,22,25,.09),0 22px 42px -22px rgba(16,22,25,.34);
  --container:1240px;
  --num-font:"Barlow Condensed","Oswald","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--tx);
  background:var(--paper);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.15;font-weight:800;letter-spacing:.01em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:.01em}
h3{font-size:20px;line-height:1.5;font-weight:600;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-family:var(--num-font);letter-spacing:-.01em}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--ink);color:var(--tx-dark-2);border-bottom:1px solid var(--line-dark)}
.topbar-inner{
  min-height:40px;display:flex;align-items:center;gap:16px;
  justify-content:space-between;font-size:13px;line-height:1.6;
  padding-top:6px;padding-bottom:6px;
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-left .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none}
.topbar-center{display:flex;align-items:center;gap:8px;color:var(--tx-dark-2)}
.topbar-center .sep{opacity:.4}
.topbar-right{display:flex;align-items:center;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:4px 12px;font-size:12.5px;border:1px solid var(--line-dark);
  color:var(--tx-dark);transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.pill:hover{background:rgba(200,242,60,.14);border-color:var(--brand);color:var(--brand)}
.pill.solid{background:var(--brand);color:#0B1013;border-color:var(--brand);font-weight:600}
.pill.solid:hover{background:var(--brand-strong);color:#0B1013}

/* ===== 主导航 ===== */
.mainnav{
  position:sticky;top:0;z-index:60;background:rgba(246,245,241,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.mainnav.is-stuck{box-shadow:0 10px 26px -22px rgba(16,22,25,.55)}
.nav-inner{display:flex;align-items:center;gap:24px;height:70px;transition:height .22s ease}
.mainnav.is-stuck .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:var(--ink);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--num-font);font-weight:700;font-size:19px;letter-spacing:-.02em;
  border:1px solid var(--line-dark);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.02em}
.brand-text span{font-size:11.5px;color:var(--tx-2);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--tx-2);
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand);transform:scaleX(0);
  transform-origin:left center;transition:transform .22s ease;
}
.nav-link:hover{color:var(--tx);background:rgba(16,22,25,.045)}
.nav-link.active{color:var(--tx);font-weight:600}
.nav-link.active::after{transform:scaleX(1);left:16px;right:auto;width:16px}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--tx-2);background:var(--surface);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--tx);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#0B1013;box-shadow:0 8px 20px -14px rgba(200,242,60,.9)}
.btn-primary:hover{background:#D3F55B;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(150,190,40,.75)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--tx)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(200,242,60,.12)}
.btn-dark{background:var(--brand);color:#0B1013}
.btn-dark:hover{background:#D3F55B;transform:translateY(-1px)}
.btn-outline-dark{background:transparent;border-color:rgba(242,245,242,.35);color:var(--tx-dark)}
.btn-outline-dark:hover{border-color:var(--brand);color:var(--brand);background:rgba(200,242,60,.1)}
.btn-sm{height:38px;padding:0 15px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.burger{display:none}

/* 搜索面板 */
.search-panel{
  display:none;border-bottom:1px solid var(--line);background:var(--surface);
}
.search-panel.open{display:block}
.search-panel-inner{padding:18px 0 22px;display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:7px;flex:1 1 320px;min-width:0}
.field label{font-size:13px;font-weight:600;color:var(--tx-2)}
.field input{
  height:44px;border-radius:12px;border:1.5px solid var(--line);
  padding:0 14px;background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,242,60,.24)}
.field .hint{font-size:12.5px;color:var(--tx-2)}

/* 移动抽屉 */
.drawer{
  display:none;border-bottom:1px solid var(--line);background:var(--surface);
}
.drawer.open{display:block}
.drawer-inner{padding:14px 0 20px;display:flex;flex-direction:column;gap:6px}
.drawer-inner a{
  padding:12px 14px;border-radius:12px;font-size:16px;font-weight:500;color:var(--tx);
  border:1px solid transparent;
}
.drawer-inner a:hover{background:rgba(200,242,60,.12);border-color:var(--brand)}
.drawer-inner a.active{color:var(--tx);font-weight:700;border-color:var(--line);background:rgba(16,22,25,.04)}
.drawer-cta{margin-top:8px}

/* ===== Hero ===== */
.hero{
  position:relative;background:var(--ink);color:var(--tx-dark);overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(200,242,60,.12) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(200,242,60,.12) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--accent) 55%,transparent 100%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:44px;
  align-items:center;padding:76px 0 66px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;
  border:1px solid var(--line-dark);background:var(--panel);
  padding:6px 14px;font-size:12.5px;color:var(--tx-dark-2);margin-bottom:20px;
}
.hero-badge strong{color:var(--brand);font-weight:700}
.hero-title{color:var(--tx-dark)}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.8;color:var(--tx-dark-2);
  max-width:34em;
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.metrics{
  margin-top:38px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  border-top:1px solid var(--line-dark);padding-top:24px;
}
.metric{display:flex;flex-direction:column;gap:2px;min-width:0}
.metric .k{font-size:12.5px;color:var(--tx-dark-2);letter-spacing:.04em}
.metric .v{font-family:var(--num-font);font-size:30px;font-weight:700;color:var(--brand);line-height:1.1}
.metric .v small{font-size:15px;color:var(--tx-dark-2);margin-left:3px;font-weight:500}

.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 30px 60px -34px rgba(0,0,0,.85)}
.hero-visual img{width:100%;aspect-ratio:4/3.1;object-fit:cover;border-radius:var(--r-lg)}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(11,16,19,.05) 30%,rgba(11,16,19,.82) 100%);
}
.hero-slash{
  position:absolute;top:0;right:-38px;width:180px;height:100%;
  background:var(--accent);opacity:.9;
  transform:skewX(-14deg);z-index:1;
}
.hero-slash span{
  position:absolute;bottom:18px;left:38px;transform:skewX(14deg) rotate(0deg);
  font-family:var(--num-font);font-size:13px;letter-spacing:.24em;color:#1a0c06;font-weight:700;
}
.hero-score{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:var(--ink);border:1px solid var(--line-dark);border-radius:14px;
  padding:12px 18px;display:flex;flex-direction:column;gap:1px;min-width:150px;
}
.hero-score .lbl{
  font-size:11.5px;letter-spacing:.2em;color:var(--accent);font-weight:700;
}
.hero-score .val{font-family:var(--num-font);font-size:38px;font-weight:700;color:var(--brand);line-height:1}
.hero-score .note{font-size:12.5px;color:var(--tx-dark-2)}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section.tight{padding-top:0}
.section.dark{background:var(--ink);color:var(--tx-dark)}
.section-head{margin-bottom:38px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--tx-2);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--brand)}
.section.dark .eyebrow{color:var(--tx-dark-2)}
.section-desc{margin-top:14px;color:var(--tx-2);font-size:16px;line-height:1.85}
.section.dark .section-desc{color:var(--tx-dark-2)}
.section-head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;max-width:none;flex-wrap:wrap}

/* ===== 特征区 ===== */
.feature-wrap{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.feature-lead{
  background:var(--ink);color:var(--tx-dark);border-radius:var(--r-lg);padding:34px 30px;
  border:1px solid var(--line-dark);position:relative;overflow:hidden;
}
.feature-lead h3{color:var(--tx-dark);font-size:24px}
.feature-lead p{margin-top:12px;color:var(--tx-dark-2);font-size:15.5px}
.feature-lead .lead-num{
  font-family:var(--num-font);font-size:56px;font-weight:700;color:rgba(200,242,60,.22);
  line-height:1;margin-bottom:10px;
}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.feature-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-card .fi{
  width:40px;height:40px;border-radius:11px;background:rgba(200,242,60,.2);
  display:flex;align-items:center;justify-content:center;color:#586b12;font-family:var(--num-font);
  font-weight:700;font-size:17px;margin-bottom:14px;
}
.feature-card h3{font-size:18px}
.feature-card p{margin-top:8px;font-size:14.5px;color:var(--tx-2);line-height:1.8}

/* ===== 合集目录 ===== */
.coll-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.coll-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.coll-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.coll-card .thumb{overflow:hidden}
.coll-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.coll-card:hover .thumb img{transform:scale(1.04)}
.coll-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.coll-tag{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:#4a5a10;background:rgba(200,242,60,.28);border-radius:999px;padding:3px 10px;
}
.coll-card h3{font-size:19px}
.coll-card p{font-size:14.5px;color:var(--tx-2);line-height:1.8}
.coll-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--tx-2);
}
.coll-foot .enter{display:inline-flex;align-items:center;gap:6px;color:var(--tx);font-weight:600}
.coll-foot .enter i{transition:transform .2s ease;font-style:normal}
.coll-card:hover .enter i{transform:translateX(4px);color:var(--accent)}
.coll-card.wide{grid-column:span 2;flex-direction:row;align-items:stretch}
.coll-card.wide .thumb{flex:0 0 44%}
.coll-card.wide .thumb img{height:100%;aspect-ratio:auto;min-height:260px}
.coll-card.wide .coll-body{padding:28px 30px;gap:12px}
.coll-card.wide h3{font-size:24px}

/* ===== 精选条目 ===== */
.pick-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;align-items:start}
.pick-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pick-main{
  grid-column:span 2;position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:320px;display:flex;align-items:flex-end;
  border:1px solid var(--line-dark);box-shadow:var(--shadow);
}
.pick-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pick-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,16,19,.15) 20%,rgba(11,16,19,.9) 95%);
}
.pick-main .txt{position:relative;z-index:2;padding:28px 30px;color:var(--tx-dark)}
.pick-main .txt .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--brand);margin-bottom:10px;
}
.pick-main .txt h3{color:var(--tx-dark);font-size:24px}
.pick-main .txt p{margin-top:10px;font-size:14.5px;color:var(--tx-dark-2);max-width:52ch}
.pick-sub{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pick-sub:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.pick-sub .st{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent)}
.pick-sub h3{font-size:17px;margin-top:8px}
.pick-sub p{font-size:13.8px;color:var(--tx-2);margin-top:6px;line-height:1.75}
.rank{
  background:var(--ink);border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:24px;color:var(--tx-dark);
}
.rank h3{color:var(--tx-dark);font-size:18px;margin-bottom:6px}
.rank .rank-sub{font-size:13px;color:var(--tx-dark-2);margin-bottom:16px}
.rank li{
  display:flex;align-items:center;gap:14px;padding:13px 0;
  border-bottom:1px solid var(--line-dark);
}
.rank li:last-child{border-bottom:0}
.rank .idx{
  font-family:var(--num-font);font-size:15px;font-weight:700;flex:none;
  width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(200,242,60,.18);color:var(--brand);
}
.rank li:nth-child(1) .idx{background:var(--brand);color:#0B1013}
.rank .rt{min-width:0;flex:1}
.rank .rt b{display:block;font-size:15px;font-weight:600;color:var(--tx-dark);line-height:1.5}
.rank .rt span{font-size:12.5px;color:var(--tx-dark-2)}

/* ===== 最新信息 CMS ===== */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.news-card{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.news-grid .news-card:nth-child(even){margin-top:22px}
.news-thumb{flex:0 0 168px;border-radius:12px;overflow:hidden;background:rgba(200,242,60,.08)}
.news-thumb img{width:100%;height:100%;min-height:112px;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--tx-2)}
.badge{
  display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
  background:rgba(61,220,255,.14);color:#0d6d80;
}
.news-body h3{font-size:17.5px;line-height:1.55}
.news-body h3 a:hover{color:#3a4a0c}
.news-body p{font-size:14px;color:var(--tx-2);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--tx)}
.news-more i{font-style:normal;transition:transform .2s ease}
.news-card:hover .news-more i{transform:translateX(4px);color:var(--accent)}
.empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty .glyph{
  width:64px;height:64px;border-radius:18px;background:rgba(200,242,60,.2);
  display:flex;align-items:center;justify-content:center;color:#5a6b16;
  font-family:var(--num-font);font-size:26px;font-weight:700;
}
.empty p{color:var(--tx-2);font-size:15px}

/* ===== FAQ ===== */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:56px;padding:14px 24px;font-size:16.5px;font-weight:600;color:var(--tx);
  transition:color .18s ease,background .18s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:rgba(200,242,60,.09)}
.faq summary .plus{
  flex:none;width:26px;height:26px;border-radius:8px;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:17px;line-height:1;
  color:var(--tx-2);transition:transform .18s ease,color .18s ease,border-color .18s ease,background .18s ease;
}
.faq details[open] summary{color:#3f5010}
.faq details[open] summary .plus{transform:rotate(45deg);border-color:var(--brand);background:rgba(200,242,60,.22);color:#3f5010}
.faq .answer{padding:0 24px 22px;font-size:15px;color:var(--tx-2);line-height:1.9;animation:faqIn .18s ease}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;background:var(--ink);color:var(--tx-dark);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-40%;right:-10%;width:60%;height:180%;
  background:linear-gradient(120deg,rgba(200,242,60,.16),rgba(255,90,43,.14));
  transform:skewX(-16deg);
}
.cta-inner{position:relative;padding:64px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:var(--tx-dark);max-width:20ch}
.cta-inner p{margin-top:10px;color:var(--tx-dark-2);font-size:15.5px;max-width:52ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.footer{background:var(--ink);color:var(--tx-dark-2);border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:64px 0 44px}
.footer h4{color:var(--brand);font-size:14px;letter-spacing:.1em;font-weight:700;margin-bottom:16px}
.footer .fbrand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer .fbrand .brand-mark{background:#0e1417}
.footer .fbrand b{color:var(--tx-dark);font-size:17px;letter-spacing:.02em}
.footer p{font-size:14.5px;line-height:1.85}
.footer li{margin-bottom:10px}
.footer li a{font-size:15px;color:var(--tx-dark-2);transition:color .18s ease,transform .18s ease;display:inline-block}
.footer li a:hover{color:var(--brand);transform:translateX(-2px)}
.footer .contact-row{display:flex;flex-direction:column;gap:8px;font-size:14.5px}
.footer .contact-row b{color:var(--tx-dark);font-weight:600}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0 26px;text-align:center;
  font-size:13.5px;color:var(--tx-dark-2);
}
.footer-bottom .sep{opacity:.4;margin:0 8px}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .hero-grid{grid-template-columns:6fr 6fr;gap:32px}
  .pick-layout{grid-template-columns:1fr;gap:22px}
  .rank{order:3}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:56px 0 52px}
  .hero-visual{max-width:640px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .feature-wrap{grid-template-columns:1fr;gap:24px}
  .coll-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .coll-card.wide{grid-column:span 2;flex-direction:row}
  .news-grid{grid-template-columns:1fr}
  .news-grid .news-card:nth-child(even){margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .topbar-center{display:none}
  .topbar-right .pill.ghost-lg{display:none}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-slash{display:none}
  .coll-grid{grid-template-columns:1fr}
  .coll-card.wide{grid-column:span 1;flex-direction:column}
  .coll-card.wide .thumb{flex:none}
  .coll-card.wide .thumb img{aspect-ratio:16/9;min-height:0}
  .pick-grid{grid-template-columns:1fr}
  .pick-main{grid-column:span 1;min-height:260px}
  .news-card{flex-direction:column}
  .news-thumb{flex:none;width:100%}
  .news-thumb img{aspect-ratio:16/9;min-height:0}
  .faq summary{min-height:52px;font-size:15.5px;padding:12px 18px}
  .faq .answer{padding:0 18px 18px}
  .cta-inner{padding:52px 0;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:48px 0 36px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  h3{font-size:18px}
  .brand-text b{font-size:15.5px}
  .brand-text span{font-size:10.5px}
  .metric .v{font-size:24px}
  .hero-badge{font-size:12px}
  .section-head{margin-bottom:28px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --brand:#C8F23C;
  --brand-soft:rgba(200,242,60,.12);
  --brand-strong:#D8FF55;
  --accent:#FF5A2B;
  --ice:#3DDCFF;
  --ink:#0B1013;
  --panel:#131A1E;
  --line-dark:#223037;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DA;
  --text:#101619;
  --muted:#5A6663;
  --text-inv:#F2F5F2;
  --muted-inv:#9FB0AF;
  --success:#34D399;
  --warning:#F5C542;
  --danger:#FF5C5C;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,22,25,.06),0 14px 30px -20px rgba(16,22,25,.28);
  --shadow-2:0 2px 4px rgba(16,22,25,.08),0 22px 44px -24px rgba(16,22,25,.36);
  --sect:88px;
  --font:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","Oswald",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.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;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:var(--muted-inv);font-size:13px;line-height:1.6;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:40px;padding-top:6px;padding-bottom:6px;}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0;}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none;box-shadow:0 0 0 4px rgba(200,242,60,.14);}
.topbar-mid{display:flex;align-items:center;gap:20px;color:var(--muted-inv);}
.topbar-mid b{color:var(--text-inv);font-weight:600;}
.topbar-right{display:flex;align-items:center;gap:10px;flex:none;}
.tb-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 13px;border-radius:var(--r-pill);
  border:1px solid rgba(200,242,60,.34);color:var(--brand);
  font-size:12.5px;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tb-pill:hover{background:var(--brand);color:#0B1013;border-color:var(--brand);}
.tb-ghost{color:var(--muted-inv);font-size:12.5px;padding:4px 8px;border-radius:var(--r-pill);transition:color .2s ease,background .2s ease;}
.tb-ghost:hover{color:var(--brand);background:rgba(255,255,255,.05);}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .22s ease,border-color .22s ease;}
.site-header.is-stuck{box-shadow:0 6px 22px -18px rgba(16,22,25,.55);}
.nav-inner{display:flex;align-items:center;gap:28px;height:70px;transition:height .22s ease;}
.site-header.is-stuck .nav-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:var(--ink);color:var(--brand);
  font-weight:800;font-size:16px;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--ink);}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--muted);font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(16,22,25,.04);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none;}
.search-btn{
  width:40px;height:40px;border-radius:var(--r-sm);
  display:grid;place-items:center;color:var(--muted);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.search-btn:hover{color:var(--ink);border-color:var(--brand);background:var(--brand-soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#0B1013;box-shadow:0 10px 24px -16px rgba(200,242,60,.9);}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-1px);box-shadow:0 16px 30px -16px rgba(200,242,60,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border:1.5px solid var(--line);color:var(--ink);background:transparent;}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}
.btn-ghost{color:var(--muted-inv);border:1px solid rgba(242,245,242,.22);}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);}
.btn-sm{padding:8px 15px;font-size:14px;border-radius:var(--r-pill);}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);place-items:center;color:var(--ink);}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.search-panel{display:none;border-top:1px solid var(--line);background:var(--surface);}
.search-panel.open{display:block;}
.search-form{display:flex;gap:12px;padding:16px 0 20px;}
.search-form input{
  flex:1;height:44px;border-radius:12px;border:1.5px solid var(--line);
  padding:0 16px;background:var(--bg);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-form input:focus{outline:none;border-color:var(--brand);background:var(--surface);box-shadow:0 0 0 3px rgba(200,242,60,.22);}
.search-form input::placeholder{color:#9AA5A2;}

/* ---------- 文章页头（深色区） ---------- */
.article-hero{
  background:var(--ink);color:var(--text-inv);
  position:relative;overflow:hidden;
  padding:44px 0 116px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,242,60,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(200,242,60,.09) 1px,transparent 1px);
  background-size:56px 56px;opacity:.55;pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:280px;height:180px;
  background:rgba(200,242,60,.14);transform:skewX(-16deg);pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted-inv);}
.crumbs a{color:var(--muted-inv);transition:color .2s ease;}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.5;}
.crumbs .now{color:var(--text-inv);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  margin-top:20px;
  font-size:clamp(28px,4vw,46px);
  line-height:1.22;font-weight:800;letter-spacing:.01em;
  max-width:22ch;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.chip-brand{background:var(--brand-soft);color:var(--brand);border:1px solid rgba(200,242,60,.36);}
.chip-dark{background:rgba(255,255,255,.06);color:var(--muted-inv);border:1px solid rgba(255,255,255,.12);}
.chip-accent{background:rgba(255,90,43,.16);color:#FF8A66;border:1px solid rgba(255,90,43,.34);}

/* ---------- 主体 ---------- */
.main-wrap{margin-top:-76px;padding-bottom:0;position:relative;z-index:5;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;align-items:start;}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.cover{position:relative;aspect-ratio:21/9;background:rgba(200,242,60,.08);overflow:hidden;}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,19,0) 45%,rgba(11,16,19,.5) 100%);}
.cover-badge{
  position:absolute;left:20px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:10px;
  padding:8px 14px;border-radius:12px;background:rgba(11,16,19,.82);
  border:1px solid rgba(200,242,60,.4);color:var(--text-inv);font-size:13px;
}
.cover-badge b{font-family:var(--font-num);font-size:20px;color:var(--brand);letter-spacing:0;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding:18px 40px;border-bottom:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.meta-row .m{display:inline-flex;align-items:center;gap:7px;}
.meta-row .m b{color:var(--text);font-weight:600;}
.meta-spacer{margin-left:auto;}
.article-body{padding:40px 40px 8px;}

/* 正文排版 */
.prose{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:#1B2226;}
.prose>*+*{margin-top:1.2em;}
.prose p{font-size:17px;line-height:1.9;}
.prose h2{
  font-size:clamp(21px,2.2vw,27px);line-height:1.4;font-weight:700;color:var(--text);
  margin-top:2em;padding-left:14px;border-left:4px solid var(--brand);letter-spacing:.01em;
}
.prose h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--text);margin-top:1.6em;}
.prose strong{font-weight:700;color:var(--text);}
.prose a{color:#0F6E7F;text-decoration:underline;text-underline-offset:3px;transition:color .2s ease;}
.prose a:hover{color:var(--accent);}
.prose ul,.prose ol{padding-left:0;}
.prose ul li,.prose ol li{position:relative;padding-left:26px;margin-top:.6em;line-height:1.85;}
.prose ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);transform:rotate(45deg);
}
.prose ol{counter-reset:li;}
.prose ol li{counter-increment:li;}
.prose ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:.35em;
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--accent);letter-spacing:0;
}
.prose blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:var(--bg);border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--muted);font-size:16px;
}
.prose img{border-radius:var(--r-md);margin:1.4em auto;}
.prose figcaption,.prose .caption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:.6em;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;white-space:nowrap;}
.prose thead th{background:var(--ink);color:var(--text-inv);font-weight:600;text-align:left;padding:11px 14px;}
.prose tbody td{padding:11px 14px;border-bottom:1px solid var(--line);}
.prose tbody tr:nth-child(even){background:var(--bg);}
.prose .tip,.prose .warn{
  display:block;padding:14px 18px;border-radius:var(--r-md);font-size:15.5px;line-height:1.8;
}
.prose .tip{background:rgba(61,220,255,.12);border:1px solid rgba(61,220,255,.34);color:#0E5A69;}
.prose .warn{background:rgba(255,90,43,.12);border:1px solid rgba(255,90,43,.34);color:#8F2B0C;}

/* 侧栏目录 */
.toc{position:sticky;top:92px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);overflow:hidden;}
.toc-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-bottom:1px solid var(--line);
  font-size:14px;font-weight:700;color:var(--text);
}
.toc-head span.k{font-family:var(--font-num);font-size:12px;color:var(--accent);letter-spacing:.06em;}
.toc-list{padding:10px 10px 14px;max-height:56vh;overflow:auto;}
.toc-list a{
  display:block;padding:8px 10px;border-radius:9px;
  font-size:14px;color:var(--muted);line-height:1.6;
  transition:color .2s ease,background .2s ease,padding-left .2s ease;
}
.toc-list a:hover{color:var(--ink);background:var(--brand-soft);padding-left:14px;}
.toc-list a.lv3{padding-left:24px;font-size:13.5px;}
.toc-empty{padding:6px 12px 14px;font-size:13px;color:var(--muted);}
.toc-toggle{display:none;}

/* 标签、分享、翻页 */
.article-foot{padding:8px 40px 40px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;padding-top:28px;border-top:1px solid var(--line);margin-top:32px;}
.tag{
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
  background:var(--bg);border:1px solid var(--line);color:var(--muted);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--ink);background:var(--brand-soft);}
.share-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;padding:16px 20px;border-radius:var(--r-md);
  background:var(--ink);color:var(--text-inv);
}
.share-bar b{font-size:14.5px;font-weight:600;}
.share-bar .sp{color:var(--muted-inv);font-size:13.5px;margin-right:auto;}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;}
.pager a{
  display:block;padding:16px 18px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pager a:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.pager span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;}
.pager strong{display:block;font-size:15px;font-weight:600;line-height:1.55;color:var(--text);}
.pager a.next{text-align:right;}

/* 空态 */
.empty{
  text-align:center;padding:64px 24px 72px;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--bg);
}
.empty .glyph{
  width:78px;height:78px;margin:0 auto 18px;border-radius:22px;
  display:grid;place-items:center;background:rgba(200,242,60,.14);border:1px solid rgba(200,242,60,.4);
  font-family:var(--font-num);font-size:30px;font-weight:700;color:#5C7A12;
}
.empty h2{font-size:22px;font-weight:700;color:var(--text);}
.empty p{margin-top:10px;color:var(--muted);font-size:15px;}
.empty .btn{margin-top:22px;}

/* 相关推荐 */
.section{padding:var(--sect) 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(23px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:.01em;}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.14em;
  color:#6E7A2B;text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-1);}
.card-img{aspect-ratio:16/10;overflow:hidden;background:rgba(200,242,60,.08);}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .card-img img{transform:translateY(-2px) scale(1.04);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.card-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-top:auto;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:#5C7A12;font-size:14px;font-weight:600;}
.arrow-link i{display:inline-block;transition:transform .22s ease;font-style:normal;}
.card:hover .arrow-link i{transform:translateX(4px);}

/* 深色CTA */
.cta{
  background:var(--ink);color:var(--text-inv);position:relative;overflow:hidden;
  padding:74px 0;
}
.cta::before{
  content:"";position:absolute;left:-80px;bottom:-70px;width:340px;height:210px;
  background:rgba(200,242,60,.14);transform:skewX(-16deg);
}
.cta::after{
  content:"";position:absolute;right:-40px;top:-60px;width:260px;height:170px;
  background:rgba(255,90,43,.18);transform:skewX(-16deg);
}
.cta .container{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:26px;justify-content:space-between;}
.cta h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
.cta p{margin-top:10px;color:var(--muted-inv);font-size:15px;max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.footer{background:var(--ink);color:var(--muted-inv);padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:44px;}
.footer h4{font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.06em;margin-bottom:16px;}
.footer ul li{margin-bottom:11px;}
.footer ul a{display:inline-block;color:var(--muted-inv);transition:color .2s ease,transform .2s ease;}
.footer ul a:hover{color:var(--brand);transform:translateX(2px);}
.fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fbrand b{color:var(--text-inv);font-size:17px;font-weight:800;}
.footer .brand-mark{background:var(--brand);color:#0B1013;}
.footer p{line-height:1.85;font-size:14.5px;color:var(--muted-inv);max-width:40ch;}
.contact-row{display:flex;flex-direction:column;gap:11px;font-size:14.5px;}
.contact-row span{display:flex;gap:8px;flex-wrap:wrap;}
.contact-row b{color:var(--text-inv);font-weight:600;min-width:68px;display:inline-block;}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 32px 26px;text-align:center;
  font-size:13.5px;color:#7D8C8A;
}
.footer-bottom .sep{margin:0 10px;opacity:.5;}

@media (max-width:1279px){
  .article-grid{grid-template-columns:minmax(0,1fr) 250px;gap:26px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:1023px){
  :root{--sect:64px;}
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .burger{display:grid;}
  .site-header.drawer-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;left:0;right:0;top:100%;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:14px 24px 20px;box-shadow:0 20px 34px -26px rgba(16,22,25,.6);
  }
  .site-header.drawer-open .nav-link{padding:13px 12px;font-size:16px;}
  .site-header.drawer-open .nav-link::after{display:none;}
  .site-header.drawer-open .nav-link.active{background:var(--brand-soft);color:var(--ink);}
  .article-grid{grid-template-columns:minmax(0,1fr);}
  .toc{position:static;order:-1;}
  .toc-toggle{display:block;width:100%;text-align:left;padding:14px 18px;font-size:14px;font-weight:700;}
  .toc-list{display:none;}
  .toc.open .toc-list{display:block;}
  .article-body{padding:30px 26px 4px;}
  .article-foot{padding:6px 26px 30px;}
  .meta-row{padding:16px 26px;}
}
@media (max-width:767px){
  :root{--sect:48px;}
  .container{padding:0 18px;}
  .topbar-mid{display:none;}
  .topbar-inner{min-height:38px;}
  .article-hero{padding:30px 0 100px;}
  .main-wrap{margin-top:-66px;}
  .article-hero h1{max-width:none;font-size:clamp(24px,7vw,32px);}
  .crumbs .now{max-width:100%;white-space:normal;}
  .cover{aspect-ratio:16/10;}
  .article-body{padding:24px 18px 2px;}
  .article-foot{padding:4px 18px 26px;}
  .meta-row{padding:14px 18px;gap:8px 16px;font-size:13px;}
  .meta-spacer{margin-left:0;}
  .prose,.prose p{font-size:16.5px;}
  .pager{grid-template-columns:1fr;}
  .pager a.next{text-align:left;}
  .rel-grid{grid-template-columns:1fr;gap:16px;}
  .cta .container{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .footer-bottom{padding:20px 18px 24px;}
}
@media (max-width:480px){
  body{font-size:15.5px;}
  .brand-text span{display:none;}
  .share-bar{padding:14px 16px;}
  .share-bar .sp{width:100%;margin:0 0 4px;}
}

/* roulang page: category1 */
:root{
  --brand:#C8F23C;
  --brand-soft:rgba(200,242,60,.12);
  --brand-line:rgba(200,242,60,.34);
  --accent:#FF5A2B;
  --accent-soft:rgba(255,90,43,.12);
  --ice:#3DDCFF;
  --ink:#0B1013;
  --panel:#131A1E;
  --line-dark:#223037;
  --bg-soft:#F6F5F1;
  --surface:#FFFFFF;
  --line-soft:#E4E2DA;
  --text-dark:#101619;
  --text-muted:#5A6663;
  --text-light:#F2F5F2;
  --text-light-muted:#9FB0AF;
  --ok:#34D399;
  --warn:#F5C542;
  --err:#FF5C5C;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-soft:0 1px 2px rgba(16,22,25,.06),0 14px 30px -20px rgba(16,22,25,.28);
  --shadow-strong:0 18px 40px -22px rgba(16,22,25,.45);
  --sect:88px;
  --font:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-dark);
  background:var(--bg-soft);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);font-family:var(--font-num);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);display:block;}
.num{font-family:var(--font-num);font-weight:700;letter-spacing:-.01em;}

/* ===== 顶部信息条 ===== */
.infobar{background:var(--ink);color:var(--text-light-muted);font-size:13px;}
.infobar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:40px;
}
.infobar-left{display:flex;align-items:center;gap:10px;}
.infobar-left .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);}
.infobar-center{display:flex;align-items:center;gap:10px;}
.infobar-center b{color:var(--text-light);font-weight:600;}
.infobar-right{display:flex;align-items:center;gap:10px;}
.ghost-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-dark);
  color:var(--text-light);font-size:12.5px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.ghost-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.pill-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 16px;border-radius:var(--r-pill);
  background:var(--brand);color:#101619;font-size:12.5px;font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.pill-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 8px 18px -10px rgba(200,242,60,.9);}
.pill-cta:active{transform:translateY(0);}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{
  border-bottom-color:var(--line-soft);
  box-shadow:0 10px 24px -22px rgba(16,22,25,.6);
  background:rgba(246,245,241,.98);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  min-height:70px;
  transition:min-height .25s ease;
}
.site-header.scrolled .nav-inner{min-height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--brand);color:#101619;
  font-weight:800;font-size:17px;
  box-shadow:0 8px 18px -12px rgba(200,242,60,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16.5px;font-weight:800;letter-spacing:.01em;}
.logo-text span{font-size:11px;color:var(--text-muted);letter-spacing:.14em;font-family:var(--font-num);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--text-muted);font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text-dark);background:rgba(16,22,25,.04);}
.nav-link.active{color:var(--text-dark);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:auto;bottom:2px;
  width:16px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid var(--line-soft);background:var(--surface);color:var(--text-dark);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:#101619;transform:translateY(-1px);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:44px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand);color:#101619;box-shadow:0 10px 22px -16px rgba(200,242,60,1);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(200,242,60,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border:1.5px solid var(--line-soft);color:var(--text-dark);background:transparent;}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-soft);background:var(--surface);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-dark);margin:3px auto;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* 搜索面板 */
.search-panel{
  display:none;border-bottom:1px solid var(--line-soft);background:var(--surface);
}
.search-panel.open{display:block;}
.search-panel .container{padding-top:16px;padding-bottom:18px;}
.search-row{display:flex;gap:12px;}
.search-row input{
  flex:1;height:44px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line-soft);background:var(--bg-soft);
  font-size:15px;color:var(--text-dark);font-family:inherit;
}
.search-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}

/* 抽屉 */
.drawer{
  display:none;background:var(--surface);border-bottom:1px solid var(--line-soft);
}
.drawer.open{display:block;}
.drawer .container{padding-top:14px;padding-bottom:18px;}
.drawer a.drawer-link{
  display:block;padding:14px 4px;font-size:16px;
  border-bottom:1px solid var(--line-soft);color:var(--text-dark);
}
.drawer a.drawer-link.active{color:var(--text-dark);font-weight:700;border-left:3px solid var(--brand);padding-left:12px;}
.drawer .btn{width:100%;margin-top:16px;}

/* ===== 页头 Banner ===== */
.page-banner{
  position:relative;color:var(--text-light);
  background-image:linear-gradient(100deg,rgba(11,16,19,.94) 8%,rgba(11,16,19,.72) 52%,rgba(11,16,19,.46) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:2px solid var(--brand);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,242,60,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(200,242,60,.09) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;padding-top:64px;padding-bottom:70px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-light-muted);margin-bottom:22px;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.55;}
.page-banner h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.16;font-weight:800;letter-spacing:.01em;
  max-width:16em;
}
.page-banner h1 em{font-style:normal;color:var(--brand);}
.banner-sub{margin-top:16px;max-width:38em;color:#D6DED8;font-size:16.5px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:13px;border:1px solid var(--line-dark);
  background:rgba(19,26,30,.7);color:var(--text-light-muted);
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--brand-line);color:var(--brand);}
.tag b{color:var(--text-light);font-weight:600;}

/* ===== 锚点目录 ===== */
.anchor-bar{
  position:sticky;top:70px;z-index:50;
  background:var(--surface);border-bottom:1px solid var(--line-soft);
  box-shadow:0 10px 24px -26px rgba(16,22,25,.7);
}
.site-header.scrolled + .anchor-bar{top:64px;}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-soft);font-size:14px;color:var(--text-muted);
  white-space:nowrap;transition:all .2s ease;
}
.anchor-pill:hover{border-color:var(--brand);color:var(--text-dark);background:var(--brand-soft);}
.anchor-pill.on{background:var(--ink);color:var(--brand);border-color:var(--ink);}

/* ===== 通用板块 ===== */
.section{padding:var(--sect) 0;}
.section.dark{background:var(--ink);color:var(--text-light);}
.section.tinted{background:var(--bg-soft);}
.section.white{background:var(--surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:800;letter-spacing:.01em;}
.section-head p{margin-top:12px;color:var(--text-muted);max-width:44em;font-size:15.5px;}
.section.dark .section-head p{color:var(--text-light-muted);}
.section-head .link-more{font-size:14.5px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;}
.section-head .link-more:hover{color:var(--text-dark);gap:10px;}

/* ===== 合集卡网格 ===== */
.collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.coll-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.coll-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-strong);}
.coll-card.feature{grid-column:1 / -1;flex-direction:row;}
.coll-media{position:relative;overflow:hidden;flex:0 0 auto;}
.coll-card.feature .coll-media{width:42%;min-height:290px;}
.coll-card .coll-media{height:200px;}
.coll-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.coll-card:hover .coll-media img{transform:translateY(-4px) scale(1.03);}
.coll-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,16,19,0) 45%,rgba(11,16,19,.55) 100%);
}
.coll-badge{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.coll-score{
  position:absolute;right:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:10px;
  background:rgba(11,16,19,.86);color:var(--brand);
  font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.03em;
  border:1px solid var(--line-dark);
}
.coll-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.coll-card.feature .coll-body{padding:30px 32px;}
.coll-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-muted);}
.coll-meta .count{font-family:var(--font-num);font-weight:700;color:var(--accent);font-size:15px;}
.coll-body h3{font-size:20px;line-height:1.5;font-weight:700;letter-spacing:.01em;}
.coll-card.feature .coll-body h3{font-size:24px;}
.coll-body p{color:var(--text-muted);font-size:15px;}
.coll-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line-soft);}
.coll-foot .go{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--text-dark);}
.coll-foot .go .arw{transition:transform .22s ease;display:inline-block;}
.coll-card:hover .coll-foot .go .arw{transform:translateX(4px);}
.chip{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;background:var(--bg-soft);border:1px solid var(--line-soft);color:var(--text-muted);}
.chip.ok{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35);color:#1E7A57;}
.chip.ice{background:rgba(61,220,255,.12);border-color:rgba(61,220,255,.35);color:#1B6C80;}

/* ===== 深色节奏区 ===== */
.dark .coll-card,.dark .panel{background:var(--panel);border-color:var(--line-dark);box-shadow:none;}
.dark .coll-body p,.dark .coll-foot .go{color:var(--text-light-muted);}
.dark .coll-foot .go{color:var(--text-light);}
.dark .coll-foot{border-top-color:var(--line-dark);}
.dark .coll-body h3{color:var(--text-light);}

/* ===== 双栏对照 ===== */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.panel{
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:28px 28px 26px;box-shadow:var(--shadow-soft);
}
.panel-head{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.panel-head .idx{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;background:var(--brand);color:#101619;
  font-family:var(--font-num);font-weight:700;font-size:16px;
}
.panel-head h3{font-size:19px;font-weight:700;}
.panel-list li{
  display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line-soft);
}
.panel-list li:last-child{border-bottom:0;padding-bottom:0;}
.panel-list .k{
  flex:0 0 92px;font-size:14.5px;font-weight:700;color:var(--text-dark);
}
.panel-list .v{color:var(--text-muted);font-size:14.5px;}
.panel-note{margin-top:20px;padding:14px 16px;border-radius:12px;background:var(--bg-soft);border-left:3px solid var(--brand);color:var(--text-muted);font-size:14px;}

/* ===== 步骤/清单 ===== */
.step-list{margin-top:6px;}
.step-item{display:flex;gap:18px;position:relative;padding-bottom:26px;}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";position:absolute;left:17px;top:38px;bottom:6px;width:2px;background:var(--line-dark);
}
.step-item:last-child::before{display:none;}
.step-dot{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;
  border:1.5px solid var(--brand-line);color:var(--brand);
  font-family:var(--font-num);font-weight:700;font-size:15px;
  background:rgba(200,242,60,.06);
}
.step-body h3{font-size:17.5px;font-weight:700;color:var(--text-light);margin-bottom:6px;}
.step-body p{font-size:14.5px;color:var(--text-light-muted);}

/* ===== 数据条 ===== */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:46px;}
.stat{
  padding:20px 22px;border-radius:var(--r-card);
  background:var(--panel);border:1px solid var(--line-dark);
}
.stat .n{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--brand);letter-spacing:-.01em;}
.stat .n span{font-size:15px;color:var(--text-light-muted);margin-left:4px;font-family:var(--font);}
.stat .t{font-size:14px;color:var(--text-light-muted);margin-top:4px;}

/* ===== FAQ ===== */
.faq-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-soft);}
.faq-item + .faq-item{border-top:1px solid var(--line-soft);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text-dark);
  transition:color .2s ease,background .2s ease;
}
.faq-q:hover{background:#FCFBF8;}
.faq-item.open .faq-q{color:#6E8A16;}
.faq-sign{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  display:grid;place-items:center;border:1px solid var(--line-soft);
  font-size:16px;color:var(--text-muted);
  transition:transform .18s ease,color .18s ease,border-color .18s ease;
}
.faq-item.open .faq-sign{transform:rotate(45deg);color:var(--brand);border-color:var(--brand-line);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .18s ease;
}
.faq-a p{padding:0 24px 22px;color:var(--text-muted);font-size:15px;max-width:56em;}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--text-light);
  border-top:2px solid var(--brand);
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-60px;width:460px;height:460px;
  background:var(--brand);opacity:.08;transform:rotate(28deg);
  border-radius:60px;
}
.cta-band .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;}
.cta-band p{margin-top:14px;color:var(--text-light-muted);max-width:46em;font-size:15.5px;}
.cta-actions{display:flex;align-items:center;gap:14px;margin-top:30px;flex-wrap:wrap;}
.cta-band .btn-outline{border-color:var(--line-dark);color:var(--text-light);}
.cta-band .btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* ===== 页脚 ===== */
.footer{background:var(--ink);color:var(--text-light-muted);padding-top:70px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:52px;}
.fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fbrand b{color:var(--text-light);font-size:16px;font-weight:700;}
.footer p{font-size:14.5px;line-height:1.85;max-width:34em;}
.footer h4{font-size:14px;color:var(--brand);letter-spacing:.08em;margin-bottom:16px;font-family:var(--font-num);text-transform:uppercase;}
.footer ul li + li{margin-top:10px;}
.footer ul a{font-size:15px;color:var(--text-light-muted);display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer ul a:hover{color:var(--brand);transform:translateX(2px);}
.contact-row{display:flex;flex-direction:column;gap:12px;font-size:14.5px;}
.contact-row b{color:var(--text-light);font-weight:600;margin-right:6px;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding-top:22px;padding-bottom:26px;
  text-align:center;font-size:13.5px;color:#7C8B89;
}
.footer-bottom .sep{margin:0 8px;opacity:.5;}

/* ===== 移动端底部条 ===== */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(11,16,19,.96);border-top:1px solid var(--line-dark);
  padding:10px 14px;gap:10px;
}
.mobile-bar a,.mobile-bar button{
  flex:1;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:14.5px;font-weight:700;color:var(--text-light);border:1px solid var(--line-dark);background:transparent;
}
.mobile-bar .primary{background:var(--brand);color:#101619;border-color:var(--brand);}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .collection-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  :root{--sect:64px;}
  .nav-links{display:none;}
  .nav-tools .btn-primary{display:none;}
  .nav-toggle{display:block;margin-left:auto;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .coll-card.feature .coll-media{width:46%;min-height:250px;}
}
@media (max-width:860px){
  .compare-grid{grid-template-columns:1fr;}
  .coll-card.feature{flex-direction:column;}
  .coll-card.feature .coll-media{width:100%;min-height:220px;}
  .coll-card.feature .coll-body{padding:24px;}
}
@media (max-width:768px){
  .infobar-center{display:none;}
  .page-banner .container{padding-top:44px;padding-bottom:48px;}
  .anchor-bar{top:64px;}
  .collection-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section-head{margin-bottom:28px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  :root{--sect:48px;}
  .coll-card .coll-media{height:176px;}
  .faq-q{min-height:52px;padding:14px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:66px;}
}
@media (max-width:420px){
  .logo-text b{font-size:15px;}
  .page-banner h1{font-size:27px;}
  .stat .n{font-size:26px;}
}

/* roulang page: category2 */
:root{
  --brand:#C8F23C;
  --brand-soft:rgba(200,242,60,.12);
  --accent:#FF5A2B;
  --ice:#3DDCFF;
  --ink:#0B1013;
  --panel:#131A1E;
  --line-dark:#223037;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --border:#E4E2DA;
  --text:#101619;
  --muted:#5A6663;
  --text-dark:#F2F5F2;
  --muted-dark:#9FB0AF;
  --ok:#34D399;
  --warn:#F5C542;
  --err:#FF5C5C;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-soft:0 1px 2px rgba(16,22,25,.06),0 14px 30px -20px rgba(16,22,25,.28);
  --shadow-lift:0 2px 4px rgba(16,22,25,.08),0 22px 38px -22px rgba(16,22,25,.34);
  --section-gap:88px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:var(--muted-dark);font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:40px;padding:8px 0}
.topbar-left,.topbar-mid{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-left .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none}
.topbar-mid .sep{color:#3a4a52}
.topbar-right{display:flex;align-items:center;gap:10px;flex:none}
.btn-ghost-mini{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line-dark);color:var(--text-dark);
  font-size:12.5px;transition:all .18s ease;
}
.btn-ghost-mini:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-mini.solid{background:var(--brand);color:#111;border-color:var(--brand);font-weight:600}
.btn-ghost-mini.solid:hover{filter:brightness(1.06);color:#111}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease,padding .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -22px rgba(16,22,25,.45)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:70px;padding:10px 0}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:var(--brand);color:#101619;
  display:grid;place-items:center;
  font-size:19px;font-weight:800;letter-spacing:.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:.01em}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--muted);font-weight:500;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text);background:#F1EFE9}
.nav-link.active{color:var(--text);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  display:grid;place-items:center;color:var(--muted);background:var(--surface);
  transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--text);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:600;
  transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#101619;box-shadow:0 6px 18px -12px rgba(200,242,60,.9)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(140,180,30,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1.5px solid var(--line-dark);color:var(--text-dark);background:transparent}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.btn-outline-dark{border:1.5px solid #C9C6BA;color:var(--text);background:transparent}
.btn-outline-dark:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--surface);align-items:center;justify-content:center}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.search-panel{
  display:none;border-top:1px solid var(--border);background:var(--surface);
}
.search-panel.open{display:block}
.search-panel .inner{display:flex;gap:12px;align-items:center;padding:16px 0}
.search-panel input{
  flex:1;height:44px;border-radius:12px;border:1px solid var(--border);
  padding:0 16px;font-size:15px;background:var(--bg);color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-panel input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}

/* ---------- 页头 Banner ---------- */
.page-banner{
  position:relative;color:var(--text-dark);
  background:
    linear-gradient(115deg,rgba(11,16,19,.94) 0%,rgba(11,16,19,.82) 46%,rgba(11,16,19,.55) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,242,60,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(200,242,60,.06) 1px,transparent 1px);
  background-size:46px 46px;pointer-events:none;
}
.page-banner::after{
  content:"";position:absolute;right:-120px;bottom:-60px;width:420px;height:220px;
  background:var(--brand);opacity:.16;transform:skewX(-18deg);pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:74px 0 66px;max-width:820px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-dark);margin-bottom:18px}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#41525a}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;background:rgba(200,242,60,.14);color:var(--brand);
  border:1px solid rgba(200,242,60,.28);
}
.tag.warm{background:rgba(255,90,43,.14);color:#FF8A66;border-color:rgba(255,90,43,.3)}
.page-banner h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.16;font-weight:800;
  letter-spacing:.01em;margin-bottom:16px;
}
.page-banner h1 em{font-style:normal;color:var(--brand)}
.banner-lead{font-size:16.5px;color:#C5D2D0;max-width:660px}
.banner-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px}
.banner-meta div{display:flex;flex-direction:column;gap:2px}
.banner-meta b{font-size:24px;color:var(--brand);font-weight:800;line-height:1.2}
.banner-meta span{font-size:13px;color:var(--muted-dark)}

/* ---------- 锚点目录 ---------- */
.anchor-bar{position:sticky;top:70px;z-index:50;background:rgba(246,245,241,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(6px)}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-scroll::-webkit-scrollbar{display:none}
.anchor-pill{
  display:inline-flex;align-items:center;gap:7px;flex:none;
  padding:9px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--border);background:var(--surface);
  font-size:14px;color:var(--muted);transition:all .18s ease;
}
.anchor-pill:hover{border-color:var(--brand);color:var(--text);transform:translateY(-1px)}
.anchor-pill i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-gap) 0}
.section-tight{padding:56px 0}
.section-dark{background:var(--ink);color:var(--text-dark)}
.section-dark .section-sub{color:var(--muted-dark)}
.section-alt{background:#EFEEE8}
.section-head{max-width:760px;margin-bottom:44px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--accent);
  font-weight:700;text-transform:uppercase;margin-bottom:12px;
}
.section-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent)}
.section h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:.01em}
.section-sub{margin-top:12px;color:var(--muted);font-size:16px;max-width:640px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:18px 20px;box-shadow:var(--shadow-soft);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.check-item:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.check-mark{
  width:26px;height:26px;border-radius:8px;flex:none;margin-top:3px;
  background:var(--brand-soft);color:#6E8B12;display:grid;place-items:center;
  font-size:14px;font-weight:800;
}
.check-item h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.75}
.figure-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-soft);background:#E7E5DD;
}
.figure-card img{width:100%;height:100%;min-height:260px;object-fit:cover}
.figure-card .caption{
  position:absolute;left:0;right:0;bottom:0;padding:56px 20px 18px;
  background:linear-gradient(to top,rgba(11,16,19,.86),rgba(11,16,19,0));
  color:#E8F0EE;font-size:14px;
}
.figure-card .badge-corner{
  position:absolute;top:16px;left:16px;
  background:var(--accent);color:#fff;font-size:12.5px;font-weight:700;
  padding:6px 14px;border-radius:var(--radius-pill);
}

/* ---------- 步骤条 ---------- */
.steps{position:relative;display:grid;gap:0;margin-top:8px}
.step{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;
  padding-bottom:34px;
}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;
  background:linear-gradient(var(--line-dark),rgba(34,48,55,.2));
}
.step:last-child::before{display:none}
.step-dot{
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--panel);border:1px solid var(--line-dark);
  color:var(--brand);font-size:20px;font-weight:800;letter-spacing:-.01em;
}
.step:first-child .step-dot{background:var(--brand);color:#101619;border-color:var(--brand)}
.step-body{
  background:var(--panel);border:1px solid var(--line-dark);border-radius:var(--radius-md);
  padding:20px 22px;transition:border-color .18s ease,transform .18s ease;
}
.step-body:hover{border-color:rgba(200,242,60,.5);transform:translateY(-2px)}
.step-body h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text-dark)}
.step-body p{color:var(--muted-dark);font-size:15px}
.step-note{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pill-note{
  font-size:12.5px;padding:4px 11px;border-radius:var(--radius-pill);
  background:rgba(200,242,60,.1);color:var(--brand);border:1px solid rgba(200,242,60,.22);
}
.pill-note.ice{background:rgba(61,220,255,.1);color:#8FE9FF;border-color:rgba(61,220,255,.24)}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px}
.stat{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px 22px;box-shadow:var(--shadow-soft);
}
.stat b{display:block;font-size:28px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.stat b em{font-style:normal;font-size:15px;color:var(--muted);margin-left:3px}
.stat span{font-size:13.5px;color:var(--muted)}
.stat.is-dark{background:var(--panel);border-color:var(--line-dark)}
.stat.is-dark b{color:var(--brand)}
.stat.is-dark span{color:var(--muted-dark)}

/* ---------- 对照区 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.compare-col{
  border-radius:var(--radius-md);padding:24px;
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-soft);
}
.compare-col.bad{border-top:3px solid var(--err)}
.compare-col.good{border-top:3px solid var(--ok)}
.compare-col h3{
  font-size:17px;font-weight:700;display:flex;align-items:center;gap:9px;margin-bottom:16px;
}
.compare-col h3 i{width:9px;height:9px;border-radius:50%;display:block}
.compare-col.bad h3 i{background:var(--err)}
.compare-col.good h3 i{background:var(--ok)}
.compare-list{display:grid;gap:12px}
.compare-list li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:15px;color:var(--muted);line-height:1.7;
  padding:12px 14px;border-radius:10px;background:var(--bg);
}
.compare-list li b{color:var(--text);font-weight:600}
.compare-list li .idx{
  flex:none;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:700;background:#E7E5DD;color:var(--muted);margin-top:2px;
}
.compare-col.good .compare-list li .idx{background:rgba(52,211,153,.16);color:#1E8F68}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:12px;align-items:flex-start;
  border-radius:var(--radius-md);padding:16px 18px;font-size:14.5px;line-height:1.7;
  margin-top:28px;
}
.notice-info{background:rgba(61,220,255,.1);border:1px solid rgba(61,220,255,.28);color:#1F6C80}
.notice-warn{background:rgba(245,197,66,.14);border:1px solid rgba(245,197,66,.4);color:#7A5B10}
.notice b{font-weight:700}
.notice .mark{flex:none;font-weight:800}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-soft)}
.faq-item + .faq-item{border-top:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 24px;min-height:56px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .18s ease,background .18s ease;
}
.faq-q:hover{background:#FAF9F5}
.faq-item.open .faq-q{color:#6E8B12}
.faq-plus{
  flex:none;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;background:var(--bg);
  color:var(--muted);font-size:17px;line-height:1;
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.faq-item.open .faq-plus{transform:rotate(45deg);background:var(--brand-soft);color:#6E8B12}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;color:var(--text-dark);overflow:hidden;
  background:linear-gradient(115deg,#111A1E 0%,#0B1013 60%,#131A1E 100%);
}
.cta-band::after{
  content:"";position:absolute;left:-140px;top:-80px;width:520px;height:240px;
  background:var(--brand);opacity:.14;transform:skewX(-18deg);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;padding:66px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3}
.cta-inner p{margin-top:10px;color:var(--muted-dark);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:var(--muted-dark);padding:64px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.fbrand b{color:var(--text-dark);font-size:17px;font-weight:800}
.footer p{font-size:14.5px;line-height:1.85;color:var(--muted-dark)}
.footer h4{font-size:14px;color:var(--brand);font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer ul{display:grid;gap:10px}
.footer ul a{font-size:15px;color:var(--muted-dark);display:inline-block;transition:all .18s ease}
.footer ul a:hover{color:var(--brand);transform:translateX(-2px)}
.contact-row{display:grid;gap:12px;font-size:14.5px}
.contact-row span{display:block}
.contact-row b{color:#D5DEDC;font-weight:600;margin-right:6px}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line-dark);
  padding:22px 0 26px;text-align:center;font-size:13.5px;color:#7C8B8A;
}
.footer-bottom .sep{margin:0 8px;color:#3a4a52}

/* ---------- 移动端底栏 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(11,16,19,.97);border-top:1px solid var(--line-dark);
  padding:10px 14px;gap:10px;
}
.mobile-bar a,.mobile-bar button{
  flex:1;text-align:center;padding:11px 8px;border-radius:11px;font-size:14px;font-weight:600;
  border:1px solid var(--line-dark);color:var(--text-dark);
}
.mobile-bar .primary{background:var(--brand);color:#101619;border-color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-link{padding:10px 11px;font-size:14.5px}
}
@media (max-width:1023px){
  :root{--section-gap:64px}
  .container{padding:0 24px}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .prep-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .logo-text span{display:none}
  .site-header.drawer-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;left:0;right:0;top:100%;
    background:var(--surface);border-bottom:1px solid var(--border);
    padding:14px 24px 22px;gap:4px;box-shadow:0 24px 40px -30px rgba(16,22,25,.5);
  }
  .site-header.drawer-open .nav-link{padding:14px 12px;font-size:16px}
  .site-header.drawer-open .nav-link.active::after{left:12px;right:auto;width:16px}
}
@media (max-width:900px){
  .compare{grid-template-columns:1fr}
  .anchor-bar{top:70px}
}
@media (max-width:767px){
  :root{--section-gap:48px}
  .container{padding:0 18px}
  .topbar-mid{display:none}
  .page-banner h1{font-size:clamp(26px,7vw,34px)}
  .banner-inner{padding:56px 0 50px}
  .banner-meta{gap:20px}
  .compare-col{padding:20px}
  .faq-q{min-height:52px;padding:0 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 20px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .step{grid-template-columns:46px 1fr;gap:16px}
  .step-dot{width:46px;height:46px;font-size:17px}
  .step::before{left:22px;top:48px}
  .mobile-bar{display:flex}
  .footer{padding-bottom:74px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .stat-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{text-align:left}
  .banner-meta{display:grid;gap:16px}
  .figure-card img{min-height:200px}
  .check-item{padding:16px}
  .header-actions .btn-primary{display:none}
  .site-header.drawer-open .header-actions{display:none}
}
@media (max-width:480px){
  .page-banner h1{font-size:25px}
  .banner-lead{font-size:15px}
  .section h2{font-size:22px}
}