/* roulang page: index */
:root{
  --ink:#123A32;
  --ink-2:#0E2E28;
  --bamboo:#7FA98F;
  --orange:#E2703A;
  --bg:#F6F4EF;
  --bg-alt:#EFEDE5;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --text:#1B1F1D;
  --muted:#5C6660;
  --radius:14px;
  --s1:0 1px 2px rgba(18,58,50,.06);
  --s2:0 8px 24px rgba(18,58,50,.06);
  --s3:0 12px 28px rgba(18,58,50,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:15px;line-height:1.75;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;cursor:pointer;
  font-size:14px;font-weight:700;letter-spacing:.01em;
  background:var(--ink);color:var(--bg);border:1px solid var(--ink);
  transition:background .25s,color .25s,border-color .25s,transform .25s;
}
.btn:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.btn .ar{transition:transform .25s}
.btn:hover .ar{transform:translateX(3px)}
.btn-sm{height:36px;padding:0 16px;font-size:13px}
.btn-primary{background:var(--bg);border-color:var(--bg);color:var(--ink)}
.btn-ghost{background:transparent;border-color:rgba(246,244,239,.42);color:#F2F0E9}
.btn-ghost:hover{background:rgba(246,244,239,.14);border-color:#F6F4EF;color:#fff}
.btn-orange{background:var(--orange);border-color:var(--orange);color:#fff}
.btn-orange:hover{background:#C95C2A;border-color:#C95C2A}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;white-space:nowrap}
.brand i{
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-style:normal;font-size:17px;font-weight:700;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  font-size:14px;color:var(--muted);padding:8px 11px;white-space:nowrap;
  border-bottom:2px solid transparent;border-radius:0;
  transition:color .25s,border-color .25s;
}
.nav-links a:hover{color:var(--ink);border-bottom-color:var(--line)}
.nav-links a.active{color:var(--ink);font-weight:700;border-bottom-color:var(--orange)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.status{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);white-space:nowrap}
.status i{width:8px;height:8px;border-radius:50%;background:var(--bamboo);display:block}
.bell{
  position:relative;width:36px;height:36px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);
}
.bell b{position:absolute;top:7px;right:8px;width:6px;height:6px;border-radius:50%;background:#D9432F;display:block}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#F2F0E9;padding:72px 0 80px;scroll-margin-top:80px}
.hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/9af24c015c32f148.jpg") center/cover no-repeat;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,46,40,.94) 0%,rgba(14,46,40,.78) 52%,rgba(14,46,40,.46) 100%)}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--bamboo);font-weight:700;margin:0 0 12px}
.hero h1{
  margin:0 0 16px;font-size:clamp(30px,5vw,56px);font-weight:800;
  letter-spacing:-.02em;line-height:1.15;color:#FBFAF6;
}
.hero h1 .hl{position:relative;display:inline-block}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.04em;height:.13em;
  background:var(--orange);border-radius:2px;
}
.hero-sub{font-size:clamp(16px,2vw,21px);color:#D9E4DC;font-weight:600;margin:0 0 14px}
.hero-lead{max-width:46ch;font-size:15px;line-height:1.85;color:#B9CBC0;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

.hero-board{
  position:relative;background:rgba(255,255,255,.07);
  border:1px solid rgba(246,244,239,.16);border-radius:18px;padding:22px 22px 24px;
}
.board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-size:13px;letter-spacing:.1em;color:#C9D6CC}
.board-head em{font-style:normal;font-size:11px;padding:3px 10px;border-radius:999px;background:rgba(127,169,143,.22);color:#BCD4C5;letter-spacing:.06em}
.board-list li{display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid rgba(246,244,239,.08)}
.board-list li:last-child{border-bottom:0}
.board-list .bn{font-size:12px;color:#8FA69B}
.board-list .bt{font-size:13px;font-weight:600;color:#F2F0E9;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board-list .bv{font-size:12px;color:#BCD4C5}
.board-list .bar{grid-column:1/-1;display:block;height:3px;border-radius:2px;background:rgba(246,244,239,.12);overflow:hidden}
.board-list .bar::after{content:"";display:block;height:100%;width:var(--w);background:linear-gradient(90deg,var(--bamboo),var(--orange));border-radius:2px}
.float-card{
  position:absolute;right:18px;bottom:-20px;display:flex;align-items:center;gap:9px;
  background:var(--orange);color:#fff;border-radius:12px;padding:10px 16px;
  box-shadow:0 10px 24px rgba(18,58,50,.28);
}
.float-card b{font-size:22px;font-weight:800;line-height:1}
.float-card span{font-size:12px;line-height:1.3;max-width:62px}

/* ---------- 通用板块 ---------- */
.sec{padding:76px 0;scroll-margin-top:80px}
.sec-alt{background:var(--bg-alt)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{margin:0;font-size:clamp(22px,3vw,32px);font-weight:700;letter-spacing:-.015em}
.sec-desc{margin-top:14px;color:var(--muted);max-width:68ch;font-size:15px;line-height:1.85}

/* ---------- 卡片网格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--s1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--s3);border-color:var(--bamboo)}
.thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#DED9CC}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .thumb img{transform:scale(1.04)}
.badge{
  position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;letter-spacing:.04em;
  padding:3px 8px;border-radius:6px;background:rgba(18,58,50,.88);color:#F6F4EF;
}
.badge-up{background:var(--orange);color:#fff}
.card-body{padding:14px 16px 16px}
.card-title{
  margin:0 0 6px;font-size:15px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted)}
.card-tall .thumb{aspect-ratio:3/4}

/* ---------- 分类频道 ---------- */
.cats{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cats li{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.cat{display:block;height:100%;padding:26px 22px;transition:background .25s}
.cat:hover{background:var(--card)}
.cat .num{font-size:12px;letter-spacing:.1em;color:var(--bamboo);font-weight:700}
.cat h3{margin:10px 0 10px;font-size:17px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:8px}
.cat p{margin:0;font-size:13px;color:var(--muted);line-height:1.7}
.cat .arw{color:var(--orange);transition:transform .25s}
.cat:hover .arw{transform:translateX(4px)}

/* ---------- 排行榜 ---------- */
.rank{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(5,auto);grid-auto-flow:column;gap:0 48px}
.rank li{display:flex;align-items:center;gap:14px;padding:14px 2px;border-bottom:1px dashed var(--line)}
.rank .no{min-width:46px;font-size:28px;font-weight:800;line-height:1;color:#C9C4B6;transition:color .25s}
.rank .no.top{color:var(--orange)}
.rank li:hover .no{color:var(--orange)}
.rank .nm{font-size:15px;font-weight:700}
.rank .pv{margin-left:auto;font-size:13px;color:var(--muted)}
.rank .tag{font-size:11px;padding:2px 8px;border:1px solid var(--line);border-radius:4px;color:var(--muted);white-space:nowrap}

/* ---------- 专题合集 ---------- */
.special{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.sp{
  position:relative;display:flex;align-items:flex-end;overflow:hidden;
  border-radius:16px;border:1px solid var(--line);color:#F6F4EF;background:var(--ink);
}
.sp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.sp:hover img{transform:scale(1.05)}
.sp::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,46,40,.12),rgba(14,46,40,.88))}
.sp-body{position:relative;z-index:1;padding:20px}
.sp-body h3{margin:0 0 6px;font-size:17px;font-weight:700}
.sp-body p{margin:0;font-size:13px;line-height:1.6;color:#C6D5CC}
.sp-a,.sp-b{grid-column:span 7;min-height:260px}
.sp-b{grid-column:span 5}
.sp-c{grid-column:span 3;min-height:190px}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink);color:#F2F0E9;padding:64px 0;scroll-margin-top:80px}
.stats .eyebrow{color:var(--bamboo)}
.stats h2{margin:0;font-size:clamp(22px,3vw,32px);font-weight:700;color:#FBFAF6}
.stats-desc{margin:14px 0 38px;max-width:66ch;font-size:14px;line-height:1.85;color:#B9CBC0}
.stats ul{display:grid;grid-template-columns:repeat(4,1fr)}
.stats li{padding:0 26px;border-left:1px solid rgba(246,244,239,.18)}
.stats li:first-child{border-left:0;padding-left:0}
.stats b{display:block;font-size:32px;font-weight:800;line-height:1.1;color:#FBFAF6}
.stats span{display:block;margin-top:8px;font-size:13px;letter-spacing:.1em;color:var(--bamboo)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:6px}
.step .no{
  width:28px;height:28px;border:1px solid var(--ink);border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--ink);background:var(--bg);
}
.step:not(:last-child)::after{
  content:"";position:absolute;top:20px;left:46px;right:-16px;border-top:1px dashed #C8C2B2;
}
.step h3{margin:14px 0 6px;font-size:15px;font-weight:700}
.step p{margin:0;font-size:13px;color:var(--muted);line-height:1.65}

/* ---------- 口碑墙 ---------- */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.voice{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--s1)}
.voice header{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.avatar{
  width:32px;height:32px;border-radius:50%;background:var(--bamboo);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;flex:none;
}
.voice .nm{font-size:14px;font-weight:700}
.voice .tag{font-size:11px;padding:1px 7px;border-radius:4px;background:var(--bg-alt);color:var(--muted)}
.voice p{font-size:14px;line-height:1.7}

/* ---------- 资讯 ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 24px}
.news a{
  display:flex;align-items:center;gap:14px;padding:10px;border-radius:10px;
  border:1px solid transparent;transition:background .25s,border-color .25s;
}
.news a:hover{background:var(--card);border-color:var(--line)}
.news img{width:96px;height:64px;flex:none;object-fit:cover;border-radius:8px;overflow:hidden;transition:transform .35s ease}
.news a:hover img{transform:scale(1.04)}
.news h3{margin:0 0 6px;font-size:14px;font-weight:700;line-height:1.55;transition:color .25s}
.news a:hover h3{color:var(--orange)}
.news time{font-size:12px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;min-height:44px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;font-size:16px;font-weight:700;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:400;line-height:1;color:var(--orange);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 18px;font-size:14px;line-height:1.8;color:var(--muted);max-width:68ch}

/* ---------- 保障条 ---------- */
.guarantee{
  border:1px solid var(--ink);border-radius:16px;padding:28px 30px;
}
.g-list{display:flex;flex-wrap:wrap;gap:14px 36px}
.g-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink);font-weight:600}
.g-list svg{flex:none;color:var(--bamboo)}
.sources{margin-top:20px;font-size:12px;color:var(--muted);letter-spacing:.04em;line-height:2}
.sources span{display:inline-block;margin:0 12px 6px 0;padding:3px 11px;border:1px solid var(--line);border-radius:999px;background:var(--card)}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;background:var(--ink-2);color:#F2F0E9;padding:68px 0;scroll-margin-top:80px}
.cta::before{content:"";position:absolute;inset:0;background:url("/assets/images/f43862476bb5709d.jpg") center/cover no-repeat;opacity:.22}
.cta .container{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr auto;gap:44px;align-items:center}
.cta h2{margin:0 0 14px;font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.02em;color:#FBFAF6}
.cta p{max-width:56ch;font-size:15px;line-height:1.8;color:#B9CBC0}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.cta-link{font-size:14px;font-weight:700;color:#D9E4DC;border-bottom:1px solid rgba(246,244,239,.4);padding-bottom:2px;transition:color .25s,border-color .25s}
.cta-link:hover{color:var(--orange);border-color:var(--orange)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-2);color:#A9BCB2;padding:56px 0 0;font-size:14px}
.footer .cols{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.footer h3{margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--bamboo)}
.footer li{margin-bottom:10px;line-height:1.6}
.footer a{transition:color .25s}
.footer a:hover{color:#fff}
.copy{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:44px;padding:20px 0;border-top:1px solid rgba(246,244,239,.14);font-size:13px;
}

/* ---------- 动效 ---------- */
.reveal.pre{opacity:0;transform:translateY(12px)}
.reveal.pre.in{opacity:1;transform:none;transition:opacity .45s ease-out,transform .45s ease-out}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
  .reveal.pre{opacity:1;transform:none}
}

/* ---------- 1024 ---------- */
@media (max-width:1024px){
  .nav{gap:12px}
  .nav-links a{padding:8px 8px;font-size:13px}
  .status{display:none}
  .hero{padding:60px 0 72px}
  .hero .container{grid-template-columns:1fr;gap:44px}
  .hero-lead{max-width:60ch}
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .cats{grid-template-columns:repeat(3,1fr)}
  .special .sp-a,.special .sp-b{grid-column:span 6}
  .special .sp-c{grid-column:span 6}
  .news{grid-template-columns:repeat(2,1fr)}
  .voices{grid-template-columns:repeat(2,1fr)}
  .steps{gap:18px}
  .stats li{padding:0 20px}
  .stats li:nth-child(odd){border-left:0;padding-left:0}
  .stats ul{grid-template-columns:repeat(2,1fr);gap:30px 0}
  .cta .container{grid-template-columns:1fr;gap:30px}
  .footer .cols{grid-template-columns:repeat(2,1fr)}
}

/* ---------- 768 ---------- */
@media (max-width:768px){
  .nav{flex-wrap:wrap;height:auto;padding:10px 0;gap:10px}
  .nav-links{order:3;width:100%;margin-left:0;gap:4px;padding-bottom:2px}
  .nav-links a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
  .nav-links a.active{border-color:var(--orange);border-bottom-width:1px}
  .bell{display:none}
  .sec{padding:56px 0;scroll-margin-top:96px}
  .hero{scroll-margin-top:96px}
  .stats{padding:52px 0;scroll-margin-top:96px}
  .cta{padding:56px 0;scroll-margin-top:96px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .cats{grid-template-columns:repeat(2,1fr)}
  .rank{grid-template-columns:1fr;grid-template-rows:none;grid-auto-flow:row;gap:0}
  .special .sp-a,.special .sp-b,.special .sp-c{grid-column:span 12;min-height:200px}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .step:not(:last-child)::after{display:none}
  .news,.voices{grid-template-columns:1fr}
  .guarantee{padding:22px}
  .g-list{gap:12px 24px}
}

/* ---------- 520 ---------- */
@media (max-width:520px){
  .grid-4,.grid-3{grid-template-columns:1fr;gap:18px}
  .cats{grid-template-columns:1fr}
  .stats ul{grid-template-columns:1fr;gap:0}
  .stats li{border-left:0;padding:0}
  .stats li+li{margin-top:20px;padding-top:20px;border-top:1px solid rgba(246,244,239,.18)}
  .float-card{position:static;margin-top:16px;display:inline-flex}
  .hero{padding:48px 0 56px}
  .hero-actions .btn{flex:1 1 auto}
  .news a{padding:8px 4px}
  .news img{width:84px;height:56px}
  .footer .cols{grid-template-columns:1fr;gap:26px}
  .copy{flex-direction:column;gap:6px}
  .sp-body{padding:16px}
}