/* roulang page: index */
:root{
  --ink:#15352B;
  --ink-deep:#0C1512;
  --orange:#E8552F;
  --orange-dark:#C9451F;
  --moss:#7FA08F;
  --sand:#E7E2D8;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --text:#101915;
  --muted:#5A6A63;
  --reverse:#F2F4F1;
  --line:#E7E2D8;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(16,25,21,.05);
  --shadow-2:0 18px 40px -20px rgba(21,53,43,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--orange);}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-0.02em;line-height:1.2;color:var(--ink);}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}

.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部倒计时条 ---------- */
.topbar{background:var(--ink);color:rgba(242,244,241,.78);font-size:13px;}
.topbar .wrap{display:flex;align-items:center;gap:18px;min-height:44px;flex-wrap:wrap;}
.tb-label{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--reverse);
  font-size:13px;letter-spacing:.04em;
}
.tb-label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block;}
.tb-desc{color:rgba(242,244,241,.62);font-size:13px;}
.timer{display:flex;align-items:baseline;gap:6px;margin-left:4px;}
.timer b{color:var(--orange);font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.timer span{color:rgba(127,160,143,.7);font-size:14px;}
.tb-link{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  color:rgba(242,244,241,.85);font-size:13px;font-weight:600;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.tb-link:hover{color:#fff;border-color:var(--orange);}
.tb-link i{font-size:11px;transition:transform .2s var(--ease);}
.tb-link:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.scrolled{box-shadow:0 10px 30px -22px rgba(21,53,43,.6);}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .22s var(--ease);}
.site-header.scrolled .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--ink);position:relative;display:inline-block;overflow:hidden;flex-shrink:0;
}
.brand-mark::before{
  content:"";position:absolute;left:-4px;top:-10px;width:10px;height:48px;background:var(--orange);
  transform:rotate(24deg);
}
.brand-mark::after{
  content:"";position:absolute;right:-6px;bottom:-12px;width:10px;height:40px;background:var(--moss);
  transform:rotate(24deg);opacity:.85;
}
.main-nav{display:flex;align-items:center;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:inline-block;padding:8px 13px;font-size:15px;font-weight:600;color:var(--text);
  border-bottom:2px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:var(--ink);}
.nav-link.active{color:var(--orange);font-weight:700;border-bottom-color:var(--orange);}
.nav-extra{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-btn{
  background:none;border:0;padding:8px 10px;font-size:15px;font-weight:600;color:var(--text);
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;border-radius:8px;
  transition:color .2s var(--ease);
}
.mega-btn:hover{color:var(--ink);}
.mega-btn i{font-size:11px;color:var(--moss);transition:transform .2s var(--ease);}
.mega-wrap:hover .mega-btn i{transform:translateY(2px);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:680px;background:#fff;
  border:1px solid var(--line);border-radius:16px;padding:26px;
  box-shadow:0 28px 60px -30px rgba(21,53,43,.45);
  display:grid;grid-template-columns:1fr 1fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:.16em;color:var(--moss);font-weight:700;margin-bottom:12px;}
.mega-list li + li{margin-top:2px;}
.mega-list a{
  display:block;padding:8px 6px;font-size:15px;font-weight:600;color:var(--text);
  border-radius:8px;transition:transform .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.mega-list a:hover{color:var(--ink);transform:translateX(2px);background:var(--bg);}
.mega-list a::before{
  content:"";display:inline-block;width:0;height:2px;background:var(--orange);
  vertical-align:middle;margin-right:0;transition:width .2s var(--ease),margin .2s var(--ease);
}
.mega-list a:hover::before{width:14px;margin-right:8px;}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:10px;border:1px solid var(--line);
  border-radius:12px;background:var(--bg);transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.mega-card:hover{border-color:var(--moss);transform:translateY(-2px);}
.mega-card img{width:72px;height:52px;object-fit:cover;border-radius:8px;flex-shrink:0;}
.mega-card b{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.5;}
.mega-card small{display:block;font-size:12px;color:var(--muted);}
.nav-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;margin-left:auto;position:relative;
}
.nav-burger span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-burger span:nth-child(1){top:15px;}
.nav-burger span:nth-child(2){top:21px;}
.nav-burger span:nth-child(3){top:27px;}
.nav-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-burger.is-open span:nth-child(2){opacity:0;}
.nav-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.ui-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.ui-btn i{font-size:13px;transition:transform .22s var(--ease);}
.ui-btn-primary{background:var(--ink);color:var(--reverse);}
.ui-btn-primary:hover{background:var(--orange);color:#fff;transform:translateX(2px);box-shadow:var(--shadow-2);}
.ui-btn-primary:hover i{transform:translateX(3px);}
.ui-btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.ui-btn-ghost:hover{background:var(--ink);color:var(--reverse);}
.ui-btn-light{background:rgba(242,244,241,.12);border-color:rgba(127,160,143,.55);color:var(--reverse);}
.ui-btn-light:hover{background:var(--reverse);color:var(--ink);border-color:var(--reverse);}
.ui-btn-sm{min-height:42px;padding:10px 20px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;color:var(--ink);
  border-bottom:1px solid transparent;padding-bottom:3px;
}
.link-arrow i{font-size:12px;transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--orange);border-bottom-color:var(--orange);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 通用标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--sand);color:var(--ink);font-size:12.5px;font-weight:700;letter-spacing:.02em;line-height:1.7;
}
.tag-hot{background:var(--orange);color:#fff;}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section + .section{border-top:1px solid var(--line);}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:46px;flex-wrap:wrap;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--orange);margin-bottom:14px;
}
.sec-title{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.18;}
.sec-sub{color:var(--muted);font-size:15.5px;max-width:520px;margin-top:14px;line-height:1.85;}
.sec-title .accent{color:var(--orange);}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink-deep);color:var(--reverse);overflow:hidden;padding:104px 0 116px;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;transform:scale(1.02);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(12,21,18,.95) 12%,rgba(21,53,43,.78) 58%,rgba(12,21,18,.9) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.14;
  background-image:linear-gradient(rgba(127,160,143,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(127,160,143,.35) 1px,transparent 1px);
  background-size:88px 88px;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  border:1px solid rgba(127,160,143,.5);color:rgba(242,244,241,.9);
  font-size:12.5px;font-weight:700;letter-spacing:.1em;margin-bottom:24px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.hero h1{
  color:var(--reverse);font-size:clamp(34px,5.2vw,64px);font-weight:800;line-height:1.14;letter-spacing:-0.02em;
  margin-bottom:22px;
}
.hero h1 .accent{color:var(--orange);}
.hero-lead{
  font-size:16.5px;line-height:1.95;color:rgba(242,244,241,.78);max-width:560px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 26px;color:rgba(242,244,241,.62);font-size:13.5px;}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{color:var(--moss);font-size:12px;}

.hero-side{
  align-self:end;background:rgba(255,255,255,.055);
  border:1px solid rgba(127,160,143,.38);border-radius:16px;padding:26px 24px;
  backdrop-filter:blur(2px);margin-bottom:-16px;
}
.hero-side h2{font-size:14px;color:rgba(242,244,241,.72);font-weight:700;letter-spacing:.1em;margin-bottom:18px;}
.hero-stat{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid rgba(127,160,143,.25);}
.hero-stat:first-of-type{border-top:0;padding-top:0;}
.hero-stat b{font-size:30px;font-weight:800;color:var(--orange);font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-0.02em;}
.hero-stat b small{font-size:14px;color:rgba(242,244,241,.6);font-weight:600;margin-left:4px;}
.hero-stat span{font-size:13.5px;color:rgba(242,244,241,.7);}

/* ---------- 卖点 ---------- */
.points{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.point{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px 30px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.point:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--shadow-2);}
.p-num{
  position:absolute;right:18px;top:-16px;font-size:96px;font-weight:800;line-height:1;
  color:rgba(21,53,43,.055);font-variant-numeric:tabular-nums;letter-spacing:-0.04em;pointer-events:none;
}
.point h3{font-size:21px;font-weight:700;margin-bottom:12px;position:relative;}
.point p{color:var(--muted);font-size:15px;line-height:1.85;position:relative;margin:0;}
.point:nth-child(even){margin-top:34px;}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:178px;gap:16px;grid-auto-flow:dense;}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--radius-img);border:1px solid var(--line);
  background:var(--sand);display:block;
}
.g-item:nth-child(1){grid-column:span 2;grid-row:span 2;}
.g-item:nth-child(4){grid-column:span 2;grid-row:span 2;}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.g-item:hover img{transform:scale(1.04);}
.g-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:20px;background:linear-gradient(to top,rgba(12,21,18,.88),rgba(12,21,18,.05) 62%);
  color:var(--reverse);opacity:.92;transition:opacity .24s var(--ease);
}
.g-item:hover .g-mask{opacity:1;}
.g-mask b{font-size:16px;font-weight:700;line-height:1.5;}
.g-mask small{
  font-size:12.5px;color:rgba(242,244,241,.72);margin-top:4px;
  display:inline-flex;align-items:center;gap:6px;
}
.g-mask small i{font-size:11px;color:var(--orange);}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--ink);color:var(--reverse);padding:64px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.stat-item{border-left:2px solid rgba(127,160,143,.4);padding-left:22px;}
.stat-item b{
  display:block;font-size:clamp(30px,3.4vw,44px);font-weight:800;color:var(--orange);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-0.02em;
}
.stat-item b small{font-size:15px;color:rgba(242,244,241,.65);margin-left:5px;font-weight:600;}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:rgba(242,244,241,.7);}

/* ---------- 最新信息（CMS） ---------- */
.news-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:start;}
.news-feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--shadow-2);}
.feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--sand);}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.news-feature:hover .feature-media img{transform:scale(1.04);}
.feature-body{padding:26px 28px 30px;}
.meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.meta time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.feature-body h3{font-size:23px;line-height:1.45;margin-bottom:14px;transition:color .2s var(--ease);}
.news-feature:hover .feature-body h3{color:var(--orange);}
.feature-body p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:18px;}

.news-list{display:grid;gap:14px;}
.post-row{
  display:grid;grid-template-columns:132px 1fr;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.post-row:hover{transform:translateY(-3px);border-color:var(--moss);box-shadow:var(--shadow-2);}
.row-media{aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:var(--sand);}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.post-row:hover .row-media img{transform:scale(1.04);}
.row-body h4{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:6px;transition:color .2s var(--ease);}
.post-row:hover .row-body h4{color:var(--orange);}
.row-body p{
  font-size:13.5px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-body .meta{margin-bottom:6px;gap:8px;}
.row-body .meta .tag{font-size:11.5px;padding:2px 10px;}

.empty-state{
  border:1.5px dashed var(--sand);background:rgba(231,226,216,.32);
  border-radius:var(--radius-card);padding:60px 28px;text-align:center;
}
.empty-icon{
  width:58px;height:58px;border:2px solid var(--moss);border-radius:14px;
  margin:0 auto 20px;position:relative;
}
.empty-icon::before{content:"";position:absolute;left:12px;right:12px;top:22px;height:2px;background:var(--moss);}
.empty-icon::after{content:"";position:absolute;left:12px;right:22px;top:32px;height:2px;background:var(--sand);}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ---------- CTA + 表单 ---------- */
.cta-sec{background:var(--ink);color:var(--reverse);border-top:0;}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.cta-copy h2{color:var(--reverse);font-size:clamp(26px,3vw,40px);line-height:1.22;margin-bottom:18px;}
.cta-copy h2 .accent{color:var(--orange);}
.cta-copy > p{color:rgba(242,244,241,.75);font-size:15.5px;max-width:480px;}
.cta-list{margin-top:28px;display:grid;gap:14px;}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(242,244,241,.86);line-height:1.7;}
.cta-list i{color:var(--orange);font-size:14px;margin-top:6px;flex-shrink:0;}

.form-card{
  background:var(--card);border-radius:18px;padding:32px 30px 34px;box-shadow:0 30px 60px -34px rgba(0,0,0,.55);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.field label .req{color:var(--orange-dark);margin-left:3px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--sand);border-radius:var(--radius-input);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);font-family:inherit;
}
.field input::placeholder{color:#9AA8A1;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,85,47,.16);
}
.field input:focus-visible,.field select:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.form-card .ui-btn{width:100%;margin-top:6px;}
.form-foot{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:96px;}
.faq-side h2{font-size:clamp(26px,3vw,38px);line-height:1.22;margin-bottom:16px;}
.faq-side p{color:var(--muted);font-size:15px;line-height:1.9;max-width:340px;}
.faq-side .ui-btn{margin-top:24px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:0 22px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:var(--moss);box-shadow:inset 4px 0 0 var(--orange);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;padding:20px 44px 20px 0;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:2px;top:50%;width:15px;height:2px;
  background:var(--ink);transform:translateY(-50%);transition:background .2s var(--ease);
}
.faq-item summary::before{
  content:"";position:absolute;right:8px;top:50%;width:2px;height:15px;
  background:var(--ink);transform:translateY(-50%);transition:opacity .2s var(--ease),background .2s var(--ease);
}
.faq-item[open] summary::before{opacity:0;}
.faq-item[open] summary::after,.faq-item[open] summary::before{background:var(--orange);}
.faq-body{padding:0 44px 22px 0;color:var(--muted);font-size:15px;line-height:1.9;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,244,241,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px;}
.footer-brand .brand{color:var(--reverse);font-size:21px;margin-bottom:18px;}
.footer-brand .brand:hover{color:var(--reverse);}
.footer-brand .brand-mark{background:rgba(242,244,241,.14);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(242,244,241,.62);max-width:340px;}
.footer-col h4{
  font-size:13px;letter-spacing:.14em;color:var(--reverse);font-weight:700;margin-bottom:18px;
}
.footer-col li + li{margin-top:10px;}
.footer-col a{
  font-size:14.5px;color:rgba(242,244,241,.72);display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(-3px);}
.footer-contact li{font-size:14.5px;color:rgba(242,244,241,.72);display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--moss);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(242,244,241,.16);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,244,241,.52);
}
.footer-bottom a{color:rgba(242,244,241,.72);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-inner{grid-template-columns:1fr .8fr;gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-contact{grid-column:span 3;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .nav-burger{display:block;}
  .nav-extra .mega-wrap{display:none;}
  .main-nav{
    position:fixed;top:0;left:0;bottom:0;width:84%;max-width:330px;background:#fff;
    padding:84px 24px 32px;overflow-y:auto;z-index:1050;
    box-shadow:24px 0 60px -30px rgba(21,53,43,.6);
    visibility:hidden;opacity:0;transform:translateX(-100%);
    transition:transform .28s var(--ease),opacity .28s var(--ease),visibility .28s;
    display:block;
  }
  .main-nav.open{visibility:visible;opacity:1;transform:translateX(0);}
  .nav-list{display:block;}
  .nav-list li + li{border-top:1px solid var(--line);}
  .nav-link{display:block;padding:15px 4px;font-size:16px;border-bottom:0;border-left:2px solid transparent;}
  .nav-link.active{border-left-color:var(--orange);padding-left:12px;background:var(--bg);}
  .hero{padding:76px 0 84px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-side{max-width:460px;margin-bottom:0;align-self:start;}
  .points{grid-template-columns:1fr;}
  .point:nth-child(even){margin-top:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .news-layout{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .faq-side p{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-contact{grid-column:span 2;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero h1{letter-spacing:0;}
  .hero-lead{font-size:15.5px;}
  .sec-head{margin-bottom:32px;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .g-item:nth-child(1),.g-item:nth-child(4){grid-column:span 1;grid-row:span 1;}
  .post-row{grid-template-columns:104px 1fr;gap:14px;padding:12px;}
  .feature-body{padding:22px;}
  .feature-body h3{font-size:20px;}
  .topbar .wrap{gap:12px;padding-top:8px;padding-bottom:8px;}
  .tb-desc{display:none;}
  .form-card{padding:26px 22px 28px;}
  .hero-actions .ui-btn{width:100%;}
  .faq-item summary{font-size:16px;}
}
@media (max-width:576px){
  .tb-link{display:none;}
  .timer{margin-left:0;}
  .hero-stat b{font-size:26px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{padding-left:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-contact{grid-column:span 1;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .row-media{aspect-ratio:1/1;}
}

/* roulang page: article */
:root{
  --ink:#15352B;
  --ink-2:#0C1512;
  --accent:#E8552F;
  --accent-h:#C9451F;
  --moss:#7FA08F;
  --sand:#E7E2D8;
  --bg:#F7F6F2;
  --white:#FFFFFF;
  --text:#101915;
  --muted:#5A6A63;
  --inv:#F2F4F1;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,25,21,.05);
  --sh-2:0 18px 40px -20px rgba(21,53,43,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --max:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0 0 12px;font-weight:800;line-height:1.22;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 18px}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0 0 18px}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),transform .2s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
button{font-family:inherit}
::selection{background:rgba(232,85,47,.22)}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--moss);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.sec-title{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-.02em}
.sec-desc{color:var(--muted);font-size:16px;max-width:680px;margin-bottom:0}

/* ---------- 顶部倒计时条 ---------- */
.countdown-bar{background:var(--ink);color:var(--inv);font-size:13px}
.countdown-inner{display:flex;align-items:center;gap:18px;min-height:44px;flex-wrap:wrap}
.cd-tag{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;background:rgba(232,85,47,.18);color:#FFBCA6;font-size:12px;font-weight:700;letter-spacing:.08em}
.cd-text{color:rgba(242,244,241,.78)}
.cd-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.cd-num{font-size:20px;font-weight:800;color:var(--accent);line-height:1}
.cd-sep{color:rgba(127,160,143,.75);font-weight:700}
.cd-link{margin-left:auto;display:inline-flex;align-items:center;gap:8px;color:rgba(242,244,241,.82);font-weight:600}
.cd-link:hover{color:#fff}
.cd-link i{transition:transform .2s var(--ease)}
.cd-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:900;background:#fff;border-bottom:1px solid var(--sand);transition:box-shadow .24s var(--ease),min-height .24s var(--ease)}
.site-header.scrolled{box-shadow:0 10px 28px -22px rgba(21,53,43,.55)}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:72px;transition:min-height .24s var(--ease)}
.site-header.scrolled .nav-inner{min-height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.01em;flex:0 0 auto}
.brand-mark{position:relative;display:inline-block;width:22px;height:22px;border-radius:7px 2px 7px 2px;background:var(--accent);transform:rotate(-9deg)}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:2px;background:var(--ink)}
.brand:hover .brand-mark{transform:rotate(0deg);transition:transform .3s var(--ease)}
.main-nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--accent);font-weight:700}
.nav-extra{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-btn{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border-radius:var(--r-btn);border:1.5px solid var(--ink);background:transparent;color:var(--ink);font-size:14px;font-weight:700;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.mega-btn:hover{background:var(--ink);color:var(--inv);transform:translateY(-1px)}
.mega-btn i{font-size:11px;transition:transform .2s var(--ease)}
.mega-wrap:hover .mega-btn i,.mega-wrap.open .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);width:660px;
  background:#fff;border:1px solid var(--sand);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px;display:grid;grid-template-columns:1fr 1.2fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.12em;color:var(--moss);font-weight:700;margin-bottom:14px}
.mega-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.mega-list a{display:inline-block;padding:7px 0 7px 0;font-size:14.5px;font-weight:600;color:var(--text);position:relative}
.mega-list a::before{content:"";position:absolute;left:0;top:50%;width:0;height:1.5px;background:var(--accent);transition:width .22s var(--ease)}
.mega-list a:hover{color:var(--accent);padding-left:16px}
.mega-list a:hover::before{width:10px}
.mega-cards{display:grid;gap:12px}
.mega-card{display:flex;align-items:center;gap:12px;padding:10px;border:1px solid var(--sand);border-radius:12px;background:#fbfaf7;transition:border-color .2s var(--ease),transform .2s var(--ease)}
.mega-card:hover{border-color:var(--moss);transform:translateY(-2px)}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mega-card b{display:block;font-size:14px;color:var(--ink);line-height:1.5}
.mega-card small{display:block;font-size:12px;color:var(--muted);line-height:1.5}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--sand);border-radius:12px;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;margin-left:auto}
.nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:13px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.btn-primary{background:var(--ink);color:var(--inv)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateX(2px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--inv)}
.btn-sm{min-height:42px;padding:10px 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--ink);position:relative}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(5px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.04em;background:var(--sand);color:var(--ink)}
.badge-accent{background:var(--accent);color:#fff}
.badge-outline{background:transparent;border:1px solid var(--moss);color:var(--ink)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:13.5px;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0}
.crumbs li{display:inline-flex;align-items:center;gap:8px;max-width:340px}
.crumbs li+li::before{content:"/";color:var(--sand);font-weight:700}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}
.crumbs .current{color:var(--ink);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-block;vertical-align:bottom;max-width:260px}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding:32px 0 76px;align-items:start}
.article-main{min-width:0}
.article-head{margin-bottom:26px}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.article-head h1{font-size:clamp(28px,3.6vw,44px);line-height:1.24;letter-spacing:-.02em;margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13.5px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--sand)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--moss)}
.article-cover{margin:26px 0 0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--sand)}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;transition:transform .6s var(--ease)}
.article-cover:hover img{transform:scale(1.03)}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16.5px;line-height:1.95;color:#1b2621;padding-top:26px}
.article-body>*:first-child{margin-top:0}
.article-body h2{position:relative;padding-left:18px;margin:38px 0 16px;font-size:clamp(21px,2.4vw,27px);line-height:1.4}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;background:var(--accent)}
.article-body h3{font-size:19.5px;margin:28px 0 12px}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--ink)}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--accent-h);border-bottom:1px solid rgba(232,85,47,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{padding-left:0;margin:0 0 18px;list-style:none}
.article-body ol{counter-reset:post}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:post}
.article-body ol li::before{content:counter(post);position:absolute;left:0;top:.16em;width:21px;height:21px;border-radius:7px;background:var(--sand);color:var(--ink);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.article-body blockquote{margin:24px 0;padding:18px 24px;background:var(--sand);border-left:4px solid var(--accent);border-radius:0 12px 12px 0;color:#25352d;font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);border:1px solid var(--sand);margin:22px 0}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0;background:#fff;border-radius:12px;overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--sand)}
.article-body th{font-weight:700;color:var(--ink);background:#fbfaf7;white-space:nowrap}
.article-body tr:last-child td{border-bottom:none}
.article-body hr{border:none;border-top:1px solid var(--sand);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{border:1px dashed var(--moss);background:var(--sand);border-radius:var(--r-card);padding:52px 24px;text-align:center;color:var(--muted)}
.empty-state i{font-size:28px;color:var(--moss);margin-bottom:14px;display:block}
.empty-state p{margin-bottom:22px;font-size:15px}

/* ---------- 标签 + 相关 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:36px 0 0;padding-top:26px;border-top:1px solid var(--sand)}
.tag-row .label{font-size:13px;letter-spacing:.1em;color:var(--moss);font-weight:700;margin-right:4px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--sand);font-size:13px;color:var(--muted);transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.tag:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.rel-block{margin-top:52px}
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.rel-head h2{font-size:22px;margin:0}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--sand);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);height:100%}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--moss)}
.post-thumb{position:relative;display:block;overflow:hidden;background:var(--sand)}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.post-title{font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--accent)}
.post-excerpt{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.post-card:hover .post-foot{color:var(--accent)}
.post-foot i{transition:transform .2s var(--ease)}
.post-card:hover .post-foot i{transform:translateX(4px)}
.back-row{margin-top:34px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--sand);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;letter-spacing:.04em;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent)}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.side-list a{display:block;font-size:14px;line-height:1.65;font-weight:600;color:var(--ink)}
.side-list a:hover{color:var(--accent)}
.side-list small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:4px}
.side-cta{background:var(--ink);color:rgba(242,244,241,.82);border:none}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--accent)}
.side-cta p{font-size:13.5px;line-height:1.8;margin-bottom:16px}
.side-cta .btn{width:100%;background:var(--accent);color:#fff}
.side-cta .btn:hover{background:var(--accent-h);transform:translateX(2px)}

/* ---------- CTA 条 ---------- */
.cta-strip{background:var(--ink);border-radius:var(--r-card);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-top:56px}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-strip p{color:rgba(242,244,241,.72);font-size:14.5px;margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-strip .btn-primary{background:var(--accent);color:#fff}
.cta-strip .btn-primary:hover{background:var(--accent-h)}
.cta-strip .btn-ghost{border-color:rgba(242,244,241,.55);color:var(--inv)}
.cta-strip .btn-ghost:hover{background:var(--inv);color:var(--ink);border-color:var(--inv)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(242,244,241,.72);padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.5fr;gap:42px;padding-bottom:46px;border-bottom:1px solid rgba(242,244,241,.14)}
.footer-brand .brand{color:#fff;font-size:20px}
.footer-brand p{font-size:14px;line-height:1.9;margin:16px 0 0;max-width:350px;color:rgba(242,244,241,.66)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;font-size:14px}
.footer-col a{display:inline-block;color:rgba(242,244,241,.72)}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:13px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;font-size:13px;color:rgba(242,244,241,.55)}

/* ---------- 入场动画 ---------- */
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .7s var(--ease) forwards}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){.fade-up{animation:none;opacity:1;transform:none}}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:36px}
  .mega-panel{width:600px}
}
@media (max-width:991.98px){
  .wrap{padding:0 20px}
  .nav-burger{display:flex}
  .nav-extra{display:none}
  .main-nav{
    position:fixed;left:0;top:0;bottom:0;width:min(330px,86vw);background:#fff;
    padding:86px 22px 26px;transform:translateX(-102%);
    transition:transform .3s var(--ease);overflow-y:auto;
    box-shadow:var(--sh-2);z-index:950;
  }
  .main-nav.open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-list li{border-bottom:1px solid var(--sand)}
  .nav-link{display:block;padding:15px 0;font-size:16px;color:var(--ink)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--accent)}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding:26px 0 60px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-strip{padding:32px 26px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .countdown-inner{gap:12px;padding:8px 0}
  .cd-link{display:none}
  .cd-text{display:none}
  .article-head h1{font-size:clamp(24px,6.4vw,30px)}
  .article-body{font-size:16px;line-height:1.9}
  .article-cover img{aspect-ratio:16/10}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .rel-head{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .cta-strip{padding:28px 22px;gap:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .crumbs li{max-width:100%}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .brand{font-size:18px}
  .article-meta{gap:12px;font-size:12.5px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .tag-row{gap:8px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12px}
}

/* roulang page: category1 */
:root{
  --ink:#15352B;
  --ink-2:#0C1512;
  --accent:#E8552F;
  --accent-h:#C9451F;
  --moss:#7FA08F;
  --sand:#E7E2D8;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --text:#101915;
  --muted:#5A6A63;
  --white:#F2F4F1;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,25,21,.05);
  --sh-2:0 18px 40px -20px rgba(21,53,43,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .wrap{max-width:1320px}
}

/* ============ 顶部倒计时条 ============ */
.topbar{
  background:var(--ink);
  color:var(--white);
  min-height:44px;
  display:flex;
  align-items:center;
  font-size:13.5px;
}
.topbar .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding-top:6px;
  padding-bottom:6px;
}
.cd-left{display:flex;align-items:center;gap:12px;min-width:0}
.cd-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(232,85,47,.16);
  color:#F2F4F1;
  border:1px solid rgba(232,85,47,.45);
  border-radius:999px;
  padding:2px 12px;
  font-size:12px;
  letter-spacing:.06em;
  white-space:nowrap;
}
.cd-tag i{color:var(--accent)}
.cd-text{color:rgba(242,244,241,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cd-nums{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.cd-num{
  color:var(--accent);
  font-size:20px;
  font-weight:800;
  letter-spacing:.02em;
  min-width:28px;
  text-align:center;
}
.cd-sep{color:rgba(127,160,143,.75);font-size:16px;font-weight:700}
.cd-right{
  display:inline-flex;align-items:center;gap:8px;
  color:rgba(242,244,241,.82);
  font-size:13px;
  white-space:nowrap;
}
.cd-right i{font-size:11px;transition:transform .2s var(--ease)}
.cd-right:hover{color:#fff}
.cd-right:hover i{transform:translateX(4px)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--sand);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px -18px rgba(21,53,43,.5)}
.site-header.is-stuck .nav-inner{height:60px}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--nav-h);
  transition:height .22s var(--ease);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:22px;height:22px;
  border-radius:6px;
  background:var(--ink);
  position:relative;
  flex:none;
  overflow:hidden;
}
.brand-mark::after{
  content:"";
  position:absolute;
  top:5px;bottom:5px;left:5px;right:11px;
  background:var(--accent);
  border-radius:2px;
  transform:skewX(-14deg);
}
.main-nav{margin-left:8px}
.nav-list{display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--accent)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--accent);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}

.nav-extra{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;
  padding:0 16px;
  background:#fff;
  border:1.5px solid var(--sand);
  border-radius:var(--r-btn);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.mega-btn i{font-size:11px;transition:transform .2s var(--ease)}
.mega-btn:hover{border-color:var(--ink);background:var(--sand)}
.mega-wrap:hover .mega-btn i,
.mega-wrap.open .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:640px;
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:22px;
  padding:22px;
  background:#fff;
  border:1px solid var(--sand);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.open .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--moss);
  margin-bottom:12px;
}
.mega-list li + li{margin-top:2px}
.mega-list a{
  display:block;
  padding:8px 0;
  font-size:14.5px;
  color:var(--text);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.mega-list a::before{
  content:"";
  display:inline-block;
  width:0;height:2px;
  background:var(--accent);
  vertical-align:middle;
  margin-right:0;
  transition:width .2s var(--ease),margin-right .2s var(--ease);
}
.mega-list a:hover{color:var(--accent);transform:translateX(2px)}
.mega-list a:hover::before{width:14px;margin-right:8px}
.mega-cards{display:grid;gap:12px}
.mega-card{
  display:flex;
  gap:12px;
  align-items:center;
  padding:10px;
  border:1px solid var(--sand);
  border-radius:12px;
  background:var(--bg);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.mega-card:hover{border-color:var(--moss);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--text)}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:none;background:var(--sand)}
.mega-card b{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.5}
.mega-card small{display:block;font-size:12px;color:var(--muted);line-height:1.6}

.nav-burger{
  display:none;
  width:44px;height:44px;
  border:1.5px solid var(--sand);
  background:#fff;
  border-radius:10px;
  padding:0;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  margin-left:auto;
}
.nav-burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:84px 0 76px;
  color:var(--white);
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(104deg,rgba(12,21,18,.95) 0%,rgba(21,53,43,.88) 52%,rgba(21,53,43,.7) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(242,244,241,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(242,244,241,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:rgba(242,244,241,.65);
  margin-bottom:26px;
}
.crumb a{color:rgba(242,244,241,.78)}
.crumb a:hover{color:var(--accent)}
.crumb i{font-size:10px;color:rgba(127,160,143,.8)}
.page-hero h1{
  font-size:clamp(34px,5.2vw,60px);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.02em;
  max-width:16em;
}
.page-hero h1 .hl{color:var(--accent)}
.hero-lead{
  margin-top:22px;
  max-width:46em;
  font-size:16.5px;
  line-height:1.95;
  color:rgba(242,244,241,.82);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  background:var(--sand);
  color:var(--ink);
  line-height:1.7;
}
.chip-accent{background:var(--accent);color:#fff}
.chip-ghost{background:rgba(242,244,241,.12);color:rgba(242,244,241,.9);border:1px solid rgba(242,244,241,.28)}
.chip-soon{background:rgba(232,85,47,.14);color:var(--accent-h)}
.chip-done{background:rgba(127,160,143,.2);color:#2C5748}
.chip-moss{background:rgba(127,160,143,.18);color:#2C5748}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--card);border-top:1px solid var(--sand);border-bottom:1px solid var(--sand)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--accent);
  margin-bottom:14px;
}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--accent)}
.sec-title{
  font-size:clamp(26px,3vw,40px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.015em;
  color:var(--ink);
}
.sec-desc{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.9}

/* ============ 按钮 ============ */
.btn-main,
.btn-ghost,
.btn-soft{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:13px 28px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main{background:var(--ink);color:#fff}
.btn-main i{font-size:12px;transition:transform .22s var(--ease)}
.btn-main:hover{background:var(--accent);color:#fff;transform:translateX(2px)}
.btn-main:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-soft{background:var(--sand);color:var(--ink)}
.btn-soft:hover{background:var(--moss);color:#fff}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--ink);
  padding-bottom:3px;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow i{font-size:12px;transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--accent);border-bottom-color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 主体两栏 ============ */
.split{
  display:grid;
  grid-template-columns:352px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.sticky-card{
  position:sticky;
  top:96px;
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.sticky-card figure{margin:0;overflow:hidden;background:var(--sand)}
.sticky-card figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s var(--ease)}
.sticky-card:hover figure img{transform:scale(1.04)}
.sticky-body{padding:24px}
.sticky-body h2{
  font-size:21px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.sticky-body > p{font-size:14.5px;color:var(--muted);line-height:1.85}
.point-list{margin:20px 0 0}
.point-list li{
  position:relative;
  padding-left:18px;
  font-size:14.3px;
  line-height:1.8;
  color:var(--text);
}
.point-list li + li{margin-top:10px}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  background:var(--accent);
  border-radius:2px;
}
.stat-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  margin:22px 0;
  padding:16px 0;
  border-top:1px solid var(--sand);
  border-bottom:1px solid var(--sand);
  text-align:center;
}
.stat-row b{
  display:block;
  font-size:22px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-row span{font-size:12px;color:var(--muted);letter-spacing:.04em}
.sticky-note{
  margin-top:16px;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.7;
  padding:12px 14px;
  background:var(--bg);
  border-radius:10px;
  border:1px dashed var(--sand);
}

/* ============ 图文交错条目流 ============ */
.stream{display:grid;gap:20px}
.stream-item{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:26px;
  align-items:center;
  padding:22px;
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.stream-item:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--sh-2)}
.stream-media{order:2;margin:0;overflow:hidden;border-radius:var(--r-img);background:var(--sand)}
.stream-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s var(--ease)}
.stream-item:hover .stream-media img{transform:scale(1.04)}
.stream-item--flip{grid-template-columns:300px minmax(0,1fr)}
.stream-item--flip .stream-media{order:-1}
.stream-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:12px}
.stream-time{
  font-size:13px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:.03em;
}
.stream-time i{color:var(--moss);margin-right:6px;font-size:12px}
.stream-item h3{
  font-size:21px;
  font-weight:800;
  line-height:1.4;
  color:var(--ink);
  letter-spacing:-.01em;
}
.stream-item h3 a:hover{color:var(--accent)}
.stream-item p{
  margin-top:10px;
  font-size:14.4px;
  line-height:1.85;
  color:var(--muted);
}
.stream-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.stream-tags .chip{font-size:12px;padding:4px 11px}
.stream-foot{margin-top:16px}

/* ============ 开播准备 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;
  padding:26px 22px 24px;
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--sh-2)}
.step-no{
  font-size:52px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  color:rgba(21,53,43,.08);
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.step h3{font-size:18px;font-weight:800;color:var(--ink);line-height:1.5}
.step p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}
.step::after{
  content:"";
  position:absolute;
  left:0;top:0;
  width:0;height:3px;
  background:var(--accent);
  transition:width .28s var(--ease);
}
.step:hover::after{width:100%}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:330px minmax(0,1fr);gap:44px;align-items:start}
.faq-aside h2{
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  line-height:1.26;
  color:var(--ink);
  letter-spacing:-.015em;
}
.faq-aside p{margin-top:16px;font-size:15px;color:var(--muted);line-height:1.9}
.faq-aside .link-arrow{margin-top:22px}
.faq .accordion-item{
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:12px;
  overflow:hidden;
  margin-bottom:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq .accordion-item:hover{border-color:var(--moss)}
.faq .accordion-button{
  background:var(--card);
  color:var(--text);
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  padding:20px 56px 20px 22px;
  border:0;
  border-left:4px solid transparent;
  box-shadow:none;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.faq .accordion-button:not(.collapsed){
  color:var(--ink);
  background:var(--card);
  border-left-color:var(--accent);
  box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(232,85,47,.22);border-color:var(--accent)}
.faq .accordion-button::after{
  content:"+";
  background-image:none;
  font-size:20px;
  font-weight:400;
  line-height:1;
  color:var(--ink);
  width:28px;height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--sand);
  border-radius:8px;
  transform:none;
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{
  content:"−";
  color:var(--accent);
  border-color:var(--accent);
  transform:none;
}
.faq .accordion-body{
  padding:4px 22px 22px 26px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  border-left:4px solid var(--accent);
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink);
  color:var(--white);
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(232,85,47,.28),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
}
.cta-inner h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.015em;
  max-width:22em;
}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(242,244,241,.75);line-height:1.85;max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}
.cta-band .btn-main{background:var(--accent);color:#fff}
.cta-band .btn-main:hover{background:var(--accent-h)}
.cta-band .btn-ghost{color:var(--white);border-color:rgba(242,244,241,.45)}
.cta-band .btn-ghost:hover{background:var(--white);color:var(--ink);border-color:var(--white)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(242,244,241,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.5fr;
  gap:44px;
  padding-bottom:48px;
}
.footer-brand .brand{color:var(--white);margin-bottom:18px}
.footer-brand .brand:hover{color:var(--white)}
.site-footer .brand-mark{background:rgba(242,244,241,.92)}
.site-footer .brand-mark::after{background:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(242,244,241,.68);max-width:30em}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--white);
  margin-bottom:18px;
}
.footer-col ul li + li{margin-top:10px}
.footer-col ul a{
  display:inline-block;
  font-size:14px;
  color:rgba(242,244,241,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col ul a:hover{color:#fff;transform:translateX(-2px)}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.8px;
  line-height:1.8;
  color:rgba(242,244,241,.7);
}
.footer-contact li i{color:var(--moss);margin-top:6px;font-size:13px;flex:none}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:22px 0 26px;
  border-top:1px solid rgba(242,244,241,.16);
  font-size:13px;
  color:rgba(242,244,241,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .split{grid-template-columns:320px minmax(0,1fr);gap:28px}
  .stream-item{grid-template-columns:minmax(0,1fr) 250px;gap:22px}
  .stream-item--flip{grid-template-columns:250px minmax(0,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr;gap:30px}
  .mega-panel{width:600px}
}

@media (max-width:991px){
  .nav-burger{display:flex}
  .main-nav{
    position:fixed;
    top:0;left:0;bottom:0;
    width:290px;
    max-width:84vw;
    background:#fff;
    padding:88px 22px 28px;
    transform:translateX(-102%);
    transition:transform .28s var(--ease);
    box-shadow:0 0 40px rgba(12,21,18,.24);
    z-index:90;
    overflow-y:auto;
    margin-left:0;
  }
  .main-nav.open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{display:block;padding:15px 2px;font-size:15.5px;border-bottom:1px solid var(--sand)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--accent)}
  .nav-extra{display:none}
  .nav-inner{gap:14px}

  .split{grid-template-columns:1fr}
  .sticky-card{position:static}
  .faq .accordion-button{font-size:16px}

  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
}

@media (max-width:767px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-hero{padding:56px 0 50px}
  .hero-lead{font-size:15.5px}
  .stream-item,
  .stream-item--flip{grid-template-columns:1fr;gap:18px;padding:18px}
  .stream-media,
  .stream-item--flip .stream-media{order:-1}
  .stream-item h3{font-size:19px}
  .steps{grid-template-columns:1fr;gap:16px}
  .cta-band{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn-main,
  .cta-actions .btn-ghost{width:100%}
  .stat-row b{font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (max-width:575px){
  .cd-right{display:none}
  .cd-text{font-size:12.5px}
  .cd-num{font-size:18px;min-width:24px}
  .cd-left{gap:8px}
  .page-hero h1{font-size:clamp(28px,8vw,38px)}
  .hero-tags .chip{font-size:11.5px;padding:4px 11px}
  .sticky-body{padding:20px}
  .faq .accordion-button{padding:16px 48px 16px 18px;font-size:15.4px}
  .faq .accordion-body{padding:2px 18px 18px 22px;font-size:14.4px}
  .mega-panel{display:none}
}

/* roulang page: category2 */
:root{
  --ink:#15352B;
  --ink-deep:#0C1512;
  --orange:#E8552F;
  --orange-h:#C9451F;
  --moss:#7FA08F;
  --sand:#E7E2D8;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --text:#101915;
  --muted:#5A6A63;
  --reverse:#F2F4F1;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,25,21,.05);
  --shadow-2:0 18px 40px -20px rgba(21,53,43,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--orange-h);}
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;}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em;}
::selection{background:rgba(232,85,47,.2);}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ 顶部倒计时条 ============ */
.topbar{background:var(--ink);color:var(--reverse);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:44px;}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-tag{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(232,85,47,.55);
  background:rgba(232,85,47,.14);
  color:var(--orange);
  font-size:12px;letter-spacing:.08em;
  padding:3px 11px;border-radius:999px;white-space:nowrap;
}
.topbar-desc{font-size:13px;color:rgba(242,244,241,.74);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.clock b{font-size:20px;font-weight:800;color:var(--orange);letter-spacing:.02em;}
.clock i{font-style:normal;color:rgba(127,160,143,.65);}
.topbar-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(242,244,241,.82);white-space:nowrap;
}
.topbar-link i{font-size:11px;transition:transform var(--t) var(--ease);}
.topbar-link:hover{color:#fff;}
.topbar-link:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--sand);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.shrink{box-shadow:0 12px 30px -24px rgba(21,53,43,.7);}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px;transition:height var(--t) var(--ease);}
.site-header.shrink .nav-inner{height:60px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  position:relative;width:24px;height:24px;border-radius:7px;
  background:var(--ink);overflow:hidden;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;inset:-2px;
  background:linear-gradient(112deg,transparent 40%,var(--orange) 40%,var(--orange) 58%,transparent 58%);
}
.main-nav{margin-left:6px;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:inline-block;padding:8px 13px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--text);
  position:relative;transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-link:hover{background:#F0EEE7;color:var(--ink);}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  background:var(--orange);border-radius:2px;
}
.nav-extra{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 18px;border-radius:999px;
  background:var(--ink);color:var(--reverse);
  font-size:14px;font-weight:700;
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.mega-btn i{font-size:11px;transition:transform var(--t) var(--ease);}
.mega-btn:hover{background:var(--orange);color:#fff;transform:translateX(2px);}
.mega-wrap:hover .mega-btn i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);
  width:660px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--sand);border-radius:16px;
  box-shadow:0 30px 70px -34px rgba(21,53,43,.55);
  padding:24px;display:grid;grid-template-columns:1fr 1.15fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
  z-index:60;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--moss);
  margin-bottom:12px;
}
.mega-list li a{
  display:block;padding:9px 0;font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px dashed rgba(231,226,216,.9);
  transition:color var(--t) var(--ease),transform var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.mega-list li:last-child a{border-bottom:0;}
.mega-list li a:hover{color:var(--orange-h);padding-left:10px;}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:10px;
  border:1px solid var(--sand);border-radius:12px;background:#fff;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:none;background:var(--sand);}
.mega-card b{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.5;}
.mega-card small{display:block;font-size:12px;color:var(--muted);line-height:1.6;}
.mega-card:hover{border-color:var(--moss);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--sand);margin-left:auto;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 页头区 ============ */
.page-head{
  position:relative;
  padding:56px 0 52px;
  background:
    radial-gradient(circle at 88% 12%,rgba(127,160,143,.16),transparent 46%),
    linear-gradient(180deg,#F7F6F2 0%,#EFEDE6 100%);
  border-bottom:1px solid var(--sand);
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(90deg,rgba(21,53,43,.05) 1px,transparent 1px),
    linear-gradient(rgba(21,53,43,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
  -webkit-mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
  pointer-events:none;
}
.page-head .wrap{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--orange-h);}
.crumb i{font-size:10px;color:var(--moss);}
.crumb span{color:var(--ink);font-weight:700;}
.page-title{
  font-size:clamp(32px,5vw,58px);font-weight:800;line-height:1.14;letter-spacing:-.02em;
  color:var(--ink);max-width:900px;
}
.page-title em{font-style:normal;color:var(--orange);}
.page-lead{
  margin-top:20px;max-width:720px;font-size:16.5px;line-height:1.95;color:var(--muted);
}
.page-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--sand);
  font-size:13px;font-weight:600;color:var(--ink);
}
.pill i{color:var(--orange);font-size:12px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-sand{background:var(--sand);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--orange);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px;}
.section-title{font-size:clamp(26px,3vw,38px);font-weight:800;color:var(--ink);letter-spacing:-.015em;}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.9;}

/* ============ 筛选胶囊 ============ */
.chip-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:18px 0 0;
}
.chip{
  padding:9px 20px;border-radius:999px;
  border:1.5px solid var(--sand);background:#fff;
  font-size:14px;font-weight:700;color:var(--muted);
  transition:all var(--t) var(--ease);
}
.chip:hover{border-color:var(--moss);color:var(--ink);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--reverse);}
.chip:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;
}
.p-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--sand);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.p-card:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--shadow-2);}
.p-thumb{position:relative;overflow:hidden;background:var(--sand);aspect-ratio:16/10;}
.p-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 600ms var(--ease);}
.p-card:hover .p-thumb img{transform:scale(1.04);}
.p-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;
  background:rgba(12,21,18,.82);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  backdrop-filter:blur(2px);
}
.p-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.p-title{font-size:19px;font-weight:800;color:var(--ink);line-height:1.5;letter-spacing:-.005em;}
.p-desc{font-size:15px;line-height:1.8;color:var(--muted);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;
  background:#F1EFE7;color:var(--ink);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag.hot{background:var(--orange);color:#fff;}
.p-link{
  margin-top:auto;padding-top:6px;
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:800;color:var(--ink);
}
.p-link i{font-size:12px;transition:transform var(--t) var(--ease);}
.p-link:hover{color:var(--orange-h);}
.p-link:hover i{transform:translateX(4px);}

/* ============ 三步流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
.step{
  position:relative;padding:32px 26px 30px;
  background:#fff;border:1px solid var(--sand);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.step:hover{border-color:var(--moss);transform:translateY(-4px);}
.step-num{
  font-size:54px;font-weight:800;line-height:1;color:rgba(21,53,43,.1);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:20px;color:var(--ink);margin-bottom:10px;}
.step p{font-size:15px;line-height:1.85;color:var(--muted);}
.step::after{
  content:"";position:absolute;left:0;top:0;width:4px;height:0;background:var(--orange);
  transition:height 320ms var(--ease);
}
.step:hover::after{height:100%;}

/* ============ 数据带 ============ */
.stats{background:var(--ink);color:var(--reverse);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{padding:6px 0;}
.stat b{
  display:block;font-size:clamp(30px,3.6vw,44px);font-weight:800;
  color:var(--orange);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
}
.stat span{display:block;margin-top:10px;font-size:14px;color:rgba(242,244,241,.72);line-height:1.7;}
.stat + .stat{border-left:1px solid rgba(242,244,241,.12);padding-left:24px;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:0.72fr 1.28fr;gap:56px;align-items:start;}
.faq-aside h2{font-size:clamp(26px,3vw,36px);color:var(--ink);}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.9;max-width:330px;}
.faq-btn{
  display:inline-flex;align-items:center;gap:8px;margin-top:24px;
  font-size:14px;font-weight:800;color:var(--ink);
}
.faq-btn i{font-size:12px;transition:transform var(--t) var(--ease);}
.faq-btn:hover{color:var(--orange-h);}
.faq-btn:hover i{transform:translateX(4px);}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--sand);border-radius:12px;
  position:relative;overflow:hidden;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--orange);transform:scaleY(0);transform-origin:top;
  transition:transform 260ms var(--ease);
}
.faq-item.open{border-color:var(--moss);box-shadow:var(--shadow-1);}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-icon{position:relative;width:18px;height:18px;flex:none;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform 260ms var(--ease),background var(--t) var(--ease),opacity 260ms var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-item.open .faq-icon::before{background:var(--orange);}
.faq-q:focus-visible{outline:2px solid var(--orange);outline-offset:-2px;border-radius:12px;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 280ms var(--ease);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ============ CTA ============ */
.cta-band{background:var(--ink);color:var(--reverse);padding:72px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(232,85,47,.22),transparent 68%);
  pointer-events:none;
}
.cta-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;position:relative;z-index:2;}
.cta-band h2{font-size:clamp(26px,3.2vw,38px);color:#fff;letter-spacing:-.015em;}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.9;color:rgba(242,244,241,.76);max-width:560px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-points span{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(242,244,241,.22);
  font-size:13px;font-weight:600;color:rgba(242,244,241,.9);
}
.cta-points i{color:var(--orange);font-size:12px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:800;letter-spacing:.01em;
  transition:all var(--t) var(--ease);
}
.btn:focus-visible{outline:2px solid var(--orange);outline-offset:3px;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-h);color:#fff;transform:translateX(2px);}
.btn-ink{background:var(--ink);color:var(--reverse);}
.btn-ink:hover{background:var(--orange);color:#fff;transform:translateX(2px);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--reverse);}
.btn-ghost-light{background:transparent;color:var(--reverse);border:1.5px solid rgba(242,244,241,.45);}
.btn-ghost-light:hover{background:var(--reverse);color:var(--ink);border-color:var(--reverse);}
.btn i{font-size:13px;transition:transform var(--t) var(--ease);}
.btn:hover i{transform:translateX(3px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(242,244,241,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.5fr;gap:44px;}
.footer-brand .brand{color:#fff;font-size:21px;margin-bottom:18px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{background:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(242,244,241,.66);max-width:330px;}
.footer-col h4{
  font-size:14px;font-weight:800;letter-spacing:.1em;color:#fff;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:2px;}
.footer-col ul li a{
  display:inline-block;padding:6px 0;font-size:14.5px;color:rgba(242,244,241,.72);
  transition:color var(--t) var(--ease),transform var(--t) var(--ease);
}
.footer-col ul li a:hover{color:#fff;transform:translateX(-3px);}
.footer-contact ul li{
  display:flex;gap:10px;align-items:flex-start;padding:6px 0;font-size:14px;line-height:1.8;
  color:rgba(242,244,241,.72);
}
.footer-contact ul li i{color:var(--orange);font-size:13px;margin-top:7px;flex:none;}
.footer-bottom{
  margin-top:52px;padding:22px 0 30px;
  border-top:1px solid rgba(242,244,241,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,244,241,.56);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .card-grid{gap:20px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:36px;}
  .footer-contact{grid-column:1 / -1;}
}
@media (max-width:991px){
  .nav-burger{display:flex;}
  .nav-extra{display:none;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--sand);
    box-shadow:0 24px 40px -30px rgba(21,53,43,.6);
    max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);
    margin-left:0;
  }
  .main-nav.open{max-height:520px;overflow:auto;}
  .nav-list{flex-direction:column;align-items:stretch;padding:8px 16px 18px;gap:0;}
  .nav-list li{border-bottom:1px solid rgba(231,226,216,.85);}
  .nav-list li:last-child{border-bottom:0;}
  .nav-link{display:block;padding:15px 4px;font-size:16px;border-radius:0;}
  .nav-link.active::after{left:4px;right:auto;width:28px;bottom:9px;}
  .page-head{padding:44px 0 40px;}
  .section{padding:68px 0;}
  .section.tight{padding:52px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;gap:16px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .stat + .stat{border-left:0;padding-left:0;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside p{max-width:none;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:767px){
  .topbar-desc{display:none;}
  .topbar-inner{min-height:42px;}
  .topbar-link{display:none;}
  .page-title{font-size:clamp(28px,7.4vw,40px);}
  .page-lead{font-size:15.5px;}
  .card-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section.tight{padding:44px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .stat b{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:56px 0;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
}
@media (max-width:575px){
  .wrap{padding:0 18px;}
  .topbar-tag{font-size:11px;padding:3px 9px;}
  .clock b{font-size:18px;}
  .chip{padding:8px 16px;font-size:13px;}
  .p-body{padding:18px;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .brand{font-size:19px;}
}

/* roulang page: category3 */
:root{
  --ink:#15352B;
  --ink-deep:#0C1512;
  --orange:#E8552F;
  --orange-hover:#C9451F;
  --moss:#7FA08F;
  --sand:#E7E2D8;
  --bg:#F7F6F2;
  --white:#FFFFFF;
  --text:#101915;
  --muted:#5A6A63;
  --inv:#F2F4F1;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,25,21,.05);
  --sh-2:0 18px 40px -20px rgba(21,53,43,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*{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:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font);color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);}
a:hover{color:var(--orange);}
img{max-width:100%;display:block;border-radius:var(--r-img);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn-main{background:var(--ink);color:var(--inv);border-color:var(--ink);}
.btn-main:hover{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateX(2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--inv);border-color:var(--ink);}
.btn-ghost.on-dark{color:var(--inv);border-color:rgba(242,244,241,.55);}
.btn-ghost.on-dark:hover{background:var(--inv);color:var(--ink);border-color:var(--inv);}
.btn-line{min-height:auto;padding:4px 0;border:0;border-radius:0;background:none;color:var(--ink);font-weight:700;}
.btn-line i{transition:transform .22s var(--ease);font-size:13px;}
.btn-line:hover{color:var(--orange);box-shadow:0 1px 0 0 var(--orange);}
.btn-line:hover i{transform:translateX(4px);}
.btn-line.on-dark{color:var(--inv);}
.btn-line.on-dark:hover{color:var(--orange);box-shadow:0 1px 0 0 var(--orange);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--sand);color:var(--ink);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;line-height:1.5;
}
.tag.hot{background:var(--orange);color:#fff;}
.tag.line{background:transparent;border:1px solid var(--moss);color:var(--ink);}
.tag.on-dark{background:rgba(127,160,143,.18);color:var(--inv);border:1px solid rgba(127,160,143,.45);}

/* ---------- 倒计时条 ---------- */
.count-bar{background:var(--ink);color:var(--inv);font-size:13.5px;}
.count-inner{
  min-height:44px;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:7px 0;flex-wrap:wrap;
}
.count-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.count-label{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(232,85,47,.16);color:#F7B7A4;border:1px solid rgba(232,85,47,.5);
}
.count-split{opacity:.55;color:var(--moss);}
.count-clock{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.count-clock b{
  font-size:20px;font-weight:800;color:var(--orange);
  min-width:30px;text-align:center;line-height:1;letter-spacing:.02em;
}
.count-clock i{font-style:normal;color:rgba(127,160,143,.8);font-weight:700;}
.count-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,244,241,.8);}
.count-link:hover{color:#fff;}
.count-link i{font-size:11px;transition:transform .2s var(--ease);}
.count-link:hover i{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:900;background:var(--white);
  border-bottom:1px solid var(--sand);
  transition:box-shadow .25s var(--ease);
}
.site-header.shrink{box-shadow:0 8px 24px -18px rgba(21,53,43,.55);}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:72px;transition:min-height .25s var(--ease);}
.site-header.shrink .nav-inner{min-height:60px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--ink);flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:22px;height:22px;border-radius:50%;
  background:var(--ink);position:relative;flex:0 0 auto;
  overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;left:-4px;top:9px;width:30px;height:4px;
  background:var(--orange);transform:rotate(-32deg);
}
.main-nav{flex:1 1 auto;}
.nav-list{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--text);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--orange);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-extra{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.mega-wrap{position:relative;}
.mega-btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:42px;padding:10px 20px;border-radius:var(--r-pill);
  background:var(--ink);color:var(--inv);border:1.5px solid var(--ink);
  font-size:14px;font-weight:700;transition:all .22s var(--ease);
}
.mega-btn i{font-size:11px;transition:transform .22s var(--ease);}
.mega-btn:hover{background:var(--orange);border-color:var(--orange);color:#fff;}
.mega-wrap:hover .mega-btn i,.mega-btn[aria-expanded="true"] i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:640px;
  background:var(--white);border:1px solid var(--sand);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px;
  display:grid;grid-template-columns:1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  z-index:950;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px;}
.mega-title{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--moss);
  margin-bottom:12px;
}
.mega-list li+li{margin-top:2px;}
.mega-list a{
  display:block;padding:7px 0 7px 0;font-size:14.5px;color:var(--text);
  border-bottom:1px solid transparent;
}
.mega-list a:hover{color:var(--orange);transform:translateX(2px);border-bottom-color:var(--sand);}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:10px;
  border:1px solid var(--sand);border-radius:12px;background:var(--bg);
}
.mega-card:hover{border-color:var(--moss);box-shadow:var(--sh-1);transform:translateY(-2px);}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 auto;}
.mega-card b{display:block;font-size:14px;color:var(--ink);line-height:1.5;}
.mega-card small{display:block;font-size:12.5px;color:var(--muted);line-height:1.5;}
.mega-card:hover b{color:var(--orange);}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid var(--sand);
  padding:0;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .2s;}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 深色首屏 ---------- */
.hero-dark{
  position:relative;color:var(--inv);
  background-image:linear-gradient(108deg,rgba(12,21,18,.94) 0%,rgba(21,53,43,.92) 58%,rgba(21,53,43,.78) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero-dark::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(127,160,143,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(127,160,143,.09) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:74px 0 86px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,244,241,.62);margin-bottom:24px;flex-wrap:wrap;}
.crumb a{color:rgba(242,244,241,.62);}
.crumb a:hover{color:var(--orange);}
.crumb span.dv{color:rgba(127,160,143,.6);}
.crumb b{color:var(--inv);font-weight:600;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.16em;color:#F0A78E;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(232,85,47,.52);background:rgba(232,85,47,.12);
  margin-bottom:22px;
}
.hero-dark h1{
  font-size:clamp(34px,5.2vw,62px);font-weight:800;line-height:1.14;
  letter-spacing:-.02em;color:#fff;margin-bottom:22px;
}
.hero-dark h1 .hl{color:var(--orange);display:block;}
.hero-lead{font-size:16.5px;line-height:1.95;color:rgba(242,244,241,.82);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.hero-meta{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap;}
.hero-meta div{font-size:13px;color:rgba(242,244,241,.72);}
.hero-meta strong{
  display:block;font-size:24px;font-weight:800;color:var(--orange);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-visual{position:relative;}
.hero-visual img{border-radius:var(--r-card);border:1px solid rgba(127,160,143,.32);width:100%;height:340px;object-fit:cover;}
.hero-float{
  position:absolute;left:-26px;bottom:-28px;background:var(--white);
  border-radius:var(--r-card);padding:18px 22px;box-shadow:var(--sh-2);
  display:flex;gap:24px;color:var(--text);
}
.hero-float div{text-align:left;}
.hero-float strong{display:block;font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.25;}
.hero-float small{font-size:12px;color:var(--muted);letter-spacing:.04em;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section.tint{background:var(--white);border-top:1px solid var(--sand);border-bottom:1px solid var(--sand);}
.section.deep{background:var(--ink);color:var(--inv);}
.section.deep h2,.section.deep h3{color:#fff;}
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--orange);
  margin-bottom:14px;
}
.sec-head .kicker::before{content:"";width:26px;height:2px;background:var(--orange);display:block;}
.sec-head h2{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.24;letter-spacing:-.015em;margin-bottom:16px;}
.sec-head p{font-size:16px;color:var(--muted);line-height:1.9;}
.section.deep .sec-head p{color:rgba(242,244,241,.74);}

/* ---------- 编号清单 ---------- */
.num-list{border-top:1px solid var(--sand);}
.num-item{
  display:grid;grid-template-columns:150px 1fr;gap:36px;
  padding:38px 0;border-bottom:1px solid var(--sand);
  transition:background-color .22s var(--ease);
}
.num-item:hover{background:rgba(231,226,216,.28);}
.num-index{
  font-size:clamp(44px,5vw,64px);font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--moss);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
  transition:all .26s var(--ease);
}
.num-item:hover .num-index{color:var(--orange);-webkit-text-stroke:1.5px var(--orange);}
.num-body h3{font-size:22px;font-weight:700;line-height:1.5;margin-bottom:12px;}
.num-item:hover .num-body h3{color:var(--ink);}
.num-body p{font-size:15.5px;color:var(--muted);line-height:1.9;max-width:720px;margin-bottom:16px;}
.num-tags{display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- 数据带 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid rgba(127,160,143,.28);border-radius:var(--r-card);overflow:hidden;
  background:rgba(255,255,255,.03);
}
.stat-band div{padding:30px 28px;border-right:1px solid rgba(127,160,143,.22);}
.stat-band div:last-child{border-right:0;}
.stat-band strong{
  display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;
  color:var(--orange);font-variant-numeric:tabular-nums;line-height:1.1;
  letter-spacing:-.02em;margin-bottom:8px;
}
.stat-band span{font-size:13.5px;color:rgba(242,244,241,.76);letter-spacing:.02em;}

/* ---------- 双栏说明 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{position:relative;}
.split-media img{width:100%;height:420px;object-fit:cover;border:1px solid var(--sand);}
.split-media .float-tag{
  position:absolute;left:18px;top:18px;background:var(--white);
  border-radius:var(--r-pill);padding:7px 16px;font-size:12.5px;font-weight:700;
  color:var(--ink);box-shadow:var(--sh-1);letter-spacing:.04em;
}
.split-body h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;margin-bottom:18px;letter-spacing:-.015em;}
.split-body p{color:var(--muted);font-size:15.5px;}
.field-list{margin-top:26px;border-top:1px solid var(--sand);}
.field-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:15px 0;border-bottom:1px solid var(--sand);font-size:15px;
}
.field-list i{
  color:var(--orange);font-size:13px;margin-top:7px;flex:0 0 auto;
}
.field-list b{color:var(--ink);font-weight:700;}
.field-list span{color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:start;}
.faq-side h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;margin-bottom:14px;}
.faq-side p{font-size:15px;color:var(--muted);}
.faq-side .btn-line{margin-top:20px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--white);border:1px solid var(--sand);border-radius:12px;
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:var(--moss);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:box-shadow .22s var(--ease),color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--orange);}
.faq-item[open] summary{box-shadow:inset 4px 0 0 var(--orange);color:var(--ink);}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:12px;height:2px;
  background:var(--orange);transform:translateY(-50%);
}
.faq-item summary::before{
  content:"";position:absolute;right:29px;top:50%;width:2px;height:12px;
  background:var(--orange);transform:translateY(-50%);transition:transform .22s var(--ease),opacity .2s;
}
.faq-item[open] summary::before{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-deep);color:var(--inv);position:relative;overflow:hidden;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(127,160,143,.24);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(232,85,47,.28);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 420px;gap:56px;align-items:center;}
.cta-copy h2{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.26;color:#fff;margin-bottom:16px;letter-spacing:-.015em;}
.cta-copy p{color:rgba(242,244,241,.76);font-size:15.5px;max-width:520px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(242,244,241,.86);}
.cta-points i{color:var(--orange);font-size:13px;margin-top:7px;}
.form-card{
  background:var(--white);border-radius:var(--r-card);padding:30px;
  box-shadow:var(--sh-2);color:var(--text);
}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px;color:var(--ink);}
.form-card .hint{font-size:13.5px;color:var(--muted);margin-bottom:20px;line-height:1.7;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px;letter-spacing:.02em;}
.form-row label .req{color:var(--orange);margin-left:3px;}
.form-row input,.form-row select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  background:var(--white);border:1px solid var(--sand);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-row input::placeholder{color:#9AA8A2;}
.form-row input:focus,.form-row select:focus{
  outline:none;border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(232,85,47,.22);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}
.form-card .btn-main{width:100%;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--inv);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:44px;padding-bottom:48px;}
.footer-brand .brand{color:var(--inv);font-size:20px;margin-bottom:18px;}
.footer-brand .brand:hover{color:var(--inv);}
.footer-brand .brand-mark{background:var(--inv);}
.footer-brand .brand-mark::after{background:var(--orange);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(242,244,241,.72);max-width:340px;}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--moss);margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col li a{font-size:14.5px;color:rgba(242,244,241,.72);display:inline-block;}
.footer-col li a:hover{color:#fff;transform:translateX(-3px);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(242,244,241,.72);line-height:1.8;}
.footer-contact i{color:var(--orange);font-size:13px;margin-top:6px;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid rgba(242,244,241,.16);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,244,241,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-inner{gap:40px;}
  .mega-panel{width:560px;}
}
@media (max-width:991px){
  .nav-burger{display:flex;order:3;}
  .nav-extra{order:2;margin-left:auto;}
  .mega-wrap{display:none;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--white);border-bottom:1px solid var(--sand);
    box-shadow:var(--sh-2);padding:8px 24px 20px;
    display:none;
  }
  .main-nav.open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list li{border-bottom:1px solid var(--sand);}
  .nav-list li:last-child{border-bottom:0;}
  .nav-link{display:block;padding:14px 0;font-size:15.5px;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--orange);}
  .nav-inner{position:relative;}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 76px;gap:44px;}
  .hero-visual img{height:280px;}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;justify-content:space-between;}
  .section{padding:72px 0;}
  .num-item{grid-template-columns:110px 1fr;gap:24px;padding:30px 0;}
  .split{grid-template-columns:1fr;gap:36px;}
  .split-media img{height:320px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .stat-band div:nth-child(2){border-right:0;}
  .stat-band div:nth-child(1),.stat-band div:nth-child(2){border-bottom:1px solid rgba(127,160,143,.22);}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .count-bar .count-link{display:none;}
  .hero-dark h1{font-size:clamp(30px,7.6vw,42px);}
  .hero-lead{font-size:15.5px;}
  .hero-meta{gap:18px;margin-top:28px;}
  .hero-meta strong{font-size:20px;}
  .section{padding:56px 0;}
  .num-item{grid-template-columns:1fr;gap:14px;}
  .num-index{font-size:38px;}
  .num-body h3{font-size:19px;}
  .stat-band{grid-template-columns:1fr;}
  .stat-band div{border-right:0;border-bottom:1px solid rgba(127,160,143,.22);padding:24px;}
  .stat-band div:last-child{border-bottom:0;}
  .sec-head{margin-bottom:34px;}
  .cta-band{padding:56px 0;}
  .form-card{padding:22px;}
  .btn-main,.btn-ghost{width:100%;}
  .hero-actions{gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .brand{font-size:18px;}
  .hero-float{flex-wrap:wrap;gap:16px;}
  .faq-item summary{font-size:16px;padding:18px 48px 18px 18px;}
  .faq-body{padding:0 18px 20px;}
}

/* roulang page: category4 */
:root{
  --ink:#15352B;
  --ink-deep:#0C1512;
  --accent:#E8552F;
  --accent-hover:#C9451F;
  --moss:#7FA08F;
  --sand:#E7E2D8;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --text:#101915;
  --muted:#5A6A63;
  --white:#F2F4F1;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(16,25,21,.05);
  --shadow-2:0 18px 40px -20px rgba(21,53,43,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1280px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.2}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15}
h2{font-size:clamp(26px,3vw,40px)}
h3{font-size:22px;font-weight:700}
h4{font-size:17px;font-weight:700}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1320px}}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  background:var(--ink);
  color:var(--white);
  font-size:13px;
  letter-spacing:.04em;
}
.cd-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:44px;
  padding-top:6px;
  padding-bottom:6px;
}
.cd-left{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cd-tag{
  display:inline-block;
  padding:2px 10px;
  border-radius:999px;
  background:rgba(242,244,241,.14);
  color:var(--white);
  font-size:12px;
  font-weight:700;
}
.cd-text{color:rgba(242,244,241,.78)}
.cd-clock{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  font-variant-numeric:tabular-nums;
}
.cd-num{
  display:inline-block;
  min-width:30px;
  text-align:center;
  font-size:20px;
  font-weight:800;
  color:var(--accent);
  letter-spacing:.02em;
}
.cd-sep{color:rgba(127,160,143,.7);font-weight:700}
.cd-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(242,244,241,.82);
  font-size:13px;
  white-space:nowrap;
}
.cd-link i{font-size:11px;transition:transform .22s var(--ease)}
.cd-link:hover{color:var(--accent)}
.cd-link:hover i{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--card);
  border-bottom:1px solid var(--sand);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -22px rgba(21,53,43,.55)}
.nav-inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:72px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  position:relative;
  width:22px;
  height:22px;
  border-radius:6px;
  background:var(--ink);
  transform:skewX(-12deg);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:5px;
  top:5px;
  width:12px;
  height:4px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 7px 0 0 rgba(232,85,47,.55);
}
.main-nav{display:flex;flex:1 1 auto}
.nav-list{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--accent);
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--accent)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{width:100%}
.nav-extra{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto}

.mega-wrap{position:relative}
.mega-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 18px;
  border-radius:var(--r-btn);
  border:1.5px solid var(--ink);
  background:transparent;
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.mega-btn i{font-size:11px;transition:transform .22s var(--ease)}
.mega-btn:hover{background:var(--ink);color:var(--white)}
.mega-wrap:hover .mega-btn i,.mega-wrap.is-open .mega-btn i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 14px);
  width:660px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  padding:24px;
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:16px;
  box-shadow:0 28px 56px -30px rgba(21,53,43,.45);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--moss);
  margin-bottom:12px;
}
.mega-list li{margin-bottom:4px}
.mega-list a{
  display:inline-block;
  font-size:14px;
  color:var(--muted);
  padding:4px 0 4px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.mega-list a:hover{color:var(--ink);transform:translateX(2px)}
.mega-list a:hover::before{content:"—";color:var(--accent);margin-right:6px}
.mega-cards{display:grid;gap:12px}
.mega-card{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px;
  border:1px solid var(--sand);
  border-radius:12px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.mega-card:hover{border-color:var(--moss);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mega-card b{display:block;font-size:14px;color:var(--ink);line-height:1.5}
.mega-card small{display:block;font-size:12px;color:var(--muted);line-height:1.5}

.nav-burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0 10px;
  border:1px solid var(--sand);
  border-radius:var(--r-btn);
  background:var(--card);
  margin-left:auto;
}
.nav-burger span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.is-open span:nth-child(2){opacity:0}
.nav-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:12px 28px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1.5px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main{background:var(--ink);color:var(--white)}
.btn-main:hover{background:var(--accent);color:#fff;transform:translateX(2px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);color:#fff;transform:translateX(2px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.link-arrow i{font-size:12px;transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--accent);border-bottom-color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 页头 ---------- */
.page-hero{
  padding:48px 0 56px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--sand);
}
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.05em;
  color:var(--muted);
  margin-bottom:22px;
}
.crumbs i{font-size:10px;color:var(--moss)}
.crumbs a:hover{color:var(--accent)}
.crumbs .current{color:var(--ink);font-weight:700}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--accent);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--accent);
}
.page-hero h1 .accent{color:var(--accent)}
.lede{
  max-width:780px;
  margin-top:20px;
  font-size:17px;
  line-height:1.95;
  color:var(--muted);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.stat-chip{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:10px 18px;
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:999px;
  font-size:13px;
  color:var(--muted);
}
.stat-chip b{
  font-size:20px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat-chip.is-accent b{color:var(--accent)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section.is-tight{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head p{
  margin:12px 0 0;
  max-width:660px;
  color:var(--muted);
  font-size:15px;
}
.section-label{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--moss);
  margin-bottom:12px;
}

/* ---------- 杂志式主区 ---------- */
.mag-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:32px;
  align-items:start;
}
.feature-card{
  position:relative;
  display:block;
  border-radius:var(--r-card);
  overflow:hidden;
  min-height:500px;
  background:var(--ink-deep);
  box-shadow:var(--shadow-1);
  transition:box-shadow .26s var(--ease),transform .26s var(--ease);
}
.feature-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.feature-card img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.feature-card:hover img{transform:scale(1.04)}
.feature-overlay{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:14px;
  padding:34px;
  background:linear-gradient(180deg,rgba(12,21,18,0) 32%,rgba(12,21,18,.86) 100%);
  color:var(--white);
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  padding:5px 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  background:var(--sand);
  color:var(--ink);
}
.badge-pill.is-accent{background:var(--accent);color:#fff}
.feature-overlay h2{
  color:#fff;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
}
.feature-overlay p{
  color:rgba(242,244,241,.82);
  font-size:15px;
  line-height:1.85;
  max-width:560px;
  margin:0;
}
.feature-meta{
  display:flex;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:rgba(242,244,241,.7);
  letter-spacing:.04em;
}
.feature-meta span{display:inline-flex;align-items:center;gap:6px}

.mag-side{display:grid;gap:24px}
.side-block{
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.side-block h3{font-size:20px;margin-bottom:8px}
.side-block .side-sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.point-list{display:grid;gap:16px}
.point-list li{
  display:grid;
  grid-template-columns:34px 1fr;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--sand);
}
.point-list li:last-child{padding-bottom:0;border-bottom:0}
.point-num{
  font-size:15px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.7;
}
.point-list b{display:block;font-size:15px;color:var(--ink);margin-bottom:2px}
.point-list span{font-size:14px;color:var(--muted);line-height:1.8}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  display:inline-block;
  padding:7px 15px;
  border:1px solid var(--sand);
  border-radius:999px;
  font-size:13px;
  color:var(--muted);
  transition:all .22s var(--ease);
}
.tag-cloud a:hover{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--white);
  transform:translateY(-2px);
}

.side-cta{
  background:var(--ink);
  border-radius:var(--r-card);
  padding:30px;
  color:var(--white);
  border:1px solid var(--ink);
}
.side-cta h3{color:#fff;font-size:20px;margin-bottom:8px}
.side-cta p{color:rgba(242,244,241,.75);font-size:14px;line-height:1.85;margin-bottom:20px}
.side-form{display:grid;gap:12px}
.side-form label{
  font-size:13px;
  font-weight:700;
  letter-spacing:.05em;
  color:rgba(242,244,241,.85);
}
.side-form .req{color:var(--accent)}
.field{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(231,226,216,.45);
  background:rgba(255,255,255,.96);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field::placeholder{color:#94A39B}
.field:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(232,85,47,.28);
}
.form-hint{font-size:12px;color:rgba(242,244,241,.6);line-height:1.7}
.form-error{font-size:12px;color:#FFB49F;display:none}
.form-error.show{display:block}

/* ---------- 速览列表 ---------- */
.scoop-list{display:grid;gap:20px}
.scoop-item{
  display:grid;
  grid-template-columns:240px 1fr;
  gap:26px;
  align-items:center;
  padding:18px;
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.scoop-item:hover{border-color:var(--moss);box-shadow:var(--shadow-2);transform:translateY(-4px)}
.scoop-thumb{
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--sand);
  aspect-ratio:16/10;
}
.scoop-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.scoop-item:hover .scoop-thumb img{transform:scale(1.04)}
.scoop-body h3{font-size:19px;line-height:1.5;margin:10px 0 8px}
.scoop-body h3 a:hover{color:var(--accent)}
.scoop-body p{font-size:14px;color:var(--muted);line-height:1.85;margin:0 0 12px}
.scoop-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.04em;
}
.scoop-meta i{font-size:11px;color:var(--moss);margin-right:4px}

/* ---------- 深色观察带 ---------- */
.deep-band{
  background:var(--ink);
  color:var(--white);
  padding:96px 0;
}
.deep-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.deep-band h2{color:#fff}
.deep-band h2 .accent{color:var(--accent)}
.deep-band p{color:rgba(242,244,241,.76)}
.deep-lead{font-size:16px;line-height:1.95;margin-top:18px}
.deep-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.deep-band .btn-ghost{border-color:rgba(242,244,241,.55);color:var(--white)}
.deep-band .btn-ghost:hover{background:var(--white);border-color:var(--white);color:var(--ink)}
.obs-list{display:grid;gap:18px}
.obs-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:20px;
  padding:24px;
  border:1px solid rgba(242,244,241,.16);
  border-radius:var(--r-card);
  background:rgba(242,244,241,.04);
  transition:border-color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
}
.obs-item:hover{border-color:var(--accent);background:rgba(242,244,241,.07);transform:translateX(4px)}
.obs-num{
  font-size:28px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.obs-item h4{color:#fff;font-size:17px;margin-bottom:6px}
.obs-item p{font-size:14px;color:rgba(242,244,241,.72);line-height:1.85;margin:0}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.faq-aside p{color:var(--muted);font-size:15px;line-height:1.9}
.faq-aside .link-arrow{margin-top:18px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);
  border:1px solid var(--sand);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:var(--moss)}
.faq-item.is-open{border-color:var(--moss);box-shadow:var(--shadow-1)}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .24s var(--ease);
}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-icon{
  position:relative;
  width:18px;
  height:18px;
  flex:0 0 auto;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-item.is-open .faq-icon::before{background:var(--accent)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--muted);
  line-height:1.9;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink-deep);
  color:var(--white);
  padding:72px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.6vw,34px)}
.cta-inner h2 .accent{color:var(--accent)}
.cta-inner p{color:rgba(242,244,241,.72);font-size:15px;margin-top:12px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(242,244,241,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(242,244,241,.14);
}
.footer-brand .brand{color:var(--white);margin-bottom:18px}
.footer-brand .brand:hover{color:var(--white)}
.footer-brand .brand-mark{background:rgba(242,244,241,.16)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(242,244,241,.7)}
.footer-col h4{
  color:var(--white);
  font-size:15px;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:14px;
  color:rgba(242,244,241,.72);
  display:inline-block;
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.8;
  color:rgba(242,244,241,.72);
}
.footer-contact i{color:var(--accent);font-size:13px;margin-top:7px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  font-size:13px;
  color:rgba(242,244,241,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mag-grid{grid-template-columns:1fr;gap:26px}
  .feature-card{min-height:420px}
  .deep-grid{grid-template-columns:1fr;gap:36px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:991px){
  .nav-burger{display:flex}
  .main-nav{
    position:fixed;
    top:0;
    left:0;
    width:84%;
    max-width:340px;
    height:100vh;
    padding:92px 24px 32px;
    background:var(--card);
    border-right:1px solid var(--sand);
    box-shadow:0 24px 60px -24px rgba(21,53,43,.5);
    transform:translateX(-104%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
    z-index:90;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-bottom:1px solid var(--sand)}
  .nav-link{display:block;padding:15px 0;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--accent)}
  .nav-extra{display:none}
  .section{padding:72px 0}
  .deep-band{padding:72px 0}
  .scoop-item{grid-template-columns:200px 1fr;gap:20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}

@media (max-width:767px){
  .wrap{padding:0 18px}
  .cd-text{display:none}
  .cd-link{display:none}
  .cd-clock{margin-left:auto}
  .page-hero{padding:34px 0 40px}
  .section{padding:56px 0}
  .deep-band{padding:56px 0}
  .scoop-item{grid-template-columns:1fr;gap:16px;padding:16px}
  .scoop-thumb{aspect-ratio:16/9}
  .feature-card{min-height:380px}
  .feature-overlay{padding:22px}
  .side-block,.side-cta{padding:22px}
  .obs-item{grid-template-columns:1fr;gap:8px;padding:20px}
  .obs-num{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;font-size:12px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions .btn-main,.cta-actions .btn-accent{width:100%}
  .hero-stats{gap:10px}
  .stat-chip{padding:8px 14px;font-size:12px}
  .stat-chip b{font-size:17px}
}

@media (max-width:575px){
  h1{font-size:28px}
  .faq-q{font-size:16px;padding:18px}
  .faq-a-inner{padding:0 18px 18px;font-size:14px}
  .mega-panel{display:none}
}

/* roulang page: category5 */
:root{
  --ink:#15352B;
  --ink-deep:#0C1512;
  --accent:#E8552F;
  --accent-hover:#C9451F;
  --moss:#7FA08F;
  --sand:#E7E2D8;
  --paper:#F7F6F2;
  --white:#FFFFFF;
  --text:#101915;
  --muted:#5A6A63;
  --inverse:#F2F4F1;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(16,25,21,.05);
  --shadow-2:0 18px 40px -20px rgba(21,53,43,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 倒计时条 ---------- */
.ticker{
  background:var(--ink);
  color:var(--inverse);
  font-size:13px;
}
.ticker-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:44px;
  padding-top:6px;
  padding-bottom:6px;
  flex-wrap:wrap;
}
.ticker-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  letter-spacing:.06em;
  white-space:nowrap;
}
.ticker-label .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(232,85,47,.18);
}
.ticker-text{
  margin:0;
  color:rgba(242,244,241,.72);
  font-size:13px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:38%;
}
.ticker-clock{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  font-variant-numeric:tabular-nums;
}
.clock-unit{display:inline-flex;align-items:baseline;gap:3px;}
.clock-unit b{
  font-size:20px;
  font-weight:800;
  color:var(--accent);
  line-height:1;
  letter-spacing:.04em;
}
.clock-unit i{font-style:normal;font-size:11px;color:rgba(242,244,241,.6);}
.clock-sep{color:rgba(127,160,143,.55);font-weight:700;}
.ticker-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:rgba(242,244,241,.8);
  white-space:nowrap;
}
.ticker-link i{font-size:11px;transition:transform .22s var(--ease);}
.ticker-link:hover{color:var(--white);}
.ticker-link:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:var(--white);
  border-bottom:1px solid var(--sand);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px -18px rgba(21,53,43,.45);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
  transition:min-height .24s var(--ease);
}
.site-header.is-stuck .nav-inner{min-height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:26px;height:26px;
  border-radius:8px;
  background:var(--ink);
  position:relative;
  display:inline-block;
  flex:none;
  overflow:hidden;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:5px;top:50%;
  width:16px;height:3px;
  background:var(--accent);
  transform:translateY(-50%) rotate(-24deg);
  border-radius:2px;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:4px;bottom:5px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--moss);
}
.main-nav{margin-left:8px;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-block;
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--text);
  border-radius:8px;
  font-weight:500;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--accent);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--accent);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}

.nav-extra{margin-left:auto;display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 18px;
  border-radius:var(--radius-btn);
  border:1.5px solid var(--ink);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  background:transparent;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.mega-btn i{font-size:11px;transition:transform .22s var(--ease);}
.mega-btn:hover{background:var(--ink);color:var(--inverse);transform:translateY(-1px);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 14px);
  width:min(680px,86vw);
  background:var(--white);
  border:1px solid var(--sand);
  border-radius:var(--radius-card);
  box-shadow:0 26px 60px -30px rgba(21,53,43,.4);
  padding:24px;
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:26px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--muted);
  font-weight:700;
  margin-bottom:14px;
  text-transform:uppercase;
}
.mega-list li + li{margin-top:2px;}
.mega-list a{
  display:inline-flex;
  align-items:center;
  gap:0;
  padding:7px 0;
  font-size:15px;
  color:var(--text);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.mega-list a::before{
  content:"";
  width:0;height:2px;
  background:var(--accent);
  margin-right:0;
  transition:width .22s var(--ease),margin-right .22s var(--ease);
}
.mega-list a:hover{color:var(--accent);transform:translateX(2px);}
.mega-list a:hover::before{width:14px;margin-right:8px;}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:flex;
  gap:12px;
  align-items:center;
  padding:10px;
  border:1px solid var(--sand);
  border-radius:var(--radius-img);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.mega-card:hover{border-color:var(--moss);box-shadow:var(--shadow-2);transform:translateY(-2px);color:var(--text);}
.mega-card img{
  width:64px;height:48px;
  object-fit:cover;
  border-radius:8px;
  flex:none;
  background:var(--sand);
}
.mega-card b{display:block;font-size:14px;font-weight:700;color:var(--text);line-height:1.4;}
.mega-card small{display:block;font-size:12px;color:var(--muted);line-height:1.5;margin-top:2px;}

.nav-burger{
  display:none;
  width:44px;height:44px;
  border-radius:var(--radius-btn);
  border:1px solid var(--sand);
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  margin-left:auto;
}
.nav-burger span{
  display:block;
  width:20px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger.is-open span:nth-child(2){opacity:0;}
.nav-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  background:
    linear-gradient(115deg,rgba(12,21,18,.94) 0%,rgba(21,53,43,.9) 52%,rgba(21,53,43,.78) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color:var(--inverse);
  padding:64px 0 72px;
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(242,244,241,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(242,244,241,.05) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.page-head .wrap{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(242,244,241,.62);
  margin-bottom:26px;
}
.crumb a{color:rgba(242,244,241,.72);}
.crumb a:hover{color:var(--white);}
.crumb span{color:rgba(127,160,143,.7);}
.crumb em{font-style:normal;color:var(--accent);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--moss);
  text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:28px;height:2px;
  background:var(--accent);
  display:inline-block;
}
.page-head h1{
  font-size:clamp(34px,5.2vw,60px);
  line-height:1.14;
  letter-spacing:-.02em;
  color:var(--inverse);
  max-width:16em;
  margin-bottom:22px;
  animation:riseIn .6s var(--ease) both;
}
.page-head h1 .hl{color:var(--accent);}
@keyframes riseIn{
  from{opacity:0;transform:translateY(12px);}
  to{opacity:1;transform:translateY(0);}
}
.lede{
  font-size:17px;
  line-height:1.95;
  color:rgba(242,244,241,.8);
  max-width:44em;
  margin-bottom:28px;
}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  font-size:12.5px;
  letter-spacing:.04em;
  border-radius:999px;
  background:var(--sand);
  color:var(--ink);
  font-weight:600;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tag--ghost{
  background:rgba(242,244,241,.08);
  color:rgba(242,244,241,.86);
  border-color:rgba(127,160,143,.4);
}
.tag--accent{background:var(--accent);color:var(--white);}
.tag--line{background:transparent;border-color:var(--sand);color:var(--ink);}
.tag:hover{background:var(--ink);color:var(--inverse);border-color:var(--ink);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section + .section{border-top:1px solid var(--sand);}
.section--paper{background:var(--paper);}
.section--white{background:var(--white);}
.section--sand{background:var(--sand);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(26px,3vw,38px);
  letter-spacing:-.02em;
}
.sec-head h2 .hl{color:var(--accent);}
.sec-desc{
  font-size:15px;
  color:var(--muted);
  max-width:38em;
  margin-top:12px;
}
.sec-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  border-bottom:1px solid transparent;
  padding-bottom:3px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.sec-link i{font-size:12px;transition:transform .22s var(--ease);}
.sec-link:hover{color:var(--accent);border-color:var(--accent);}
.sec-link:hover i{transform:translateX(4px);}

/* ---------- 时间轴 ---------- */
.tl{
  position:relative;
  padding-left:64px;
}
.tl::before{
  content:"";
  position:absolute;
  left:19px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,var(--moss) 0%,var(--sand) 100%);
}
.tl-item{
  position:relative;
  margin-bottom:26px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;
  left:-64px;
  top:26px;
  width:40px;height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  background:var(--white);
  border:2px solid var(--moss);
  color:var(--moss);
  transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  z-index:2;
}
.tl-item--fill .tl-dot{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--white);
  box-shadow:0 0 0 6px rgba(232,85,47,.14);
}
.tl-card{
  background:var(--white);
  border:1px solid var(--sand);
  border-radius:var(--radius-card);
  padding:28px 30px;
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:var(--moss);
  box-shadow:var(--shadow-2);
}
.tl-time{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--accent);
  margin-bottom:10px;
}
.tl-card h3{
  font-size:22px;
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.tl-card p{font-size:15px;color:var(--muted);line-height:1.9;}
.tl-points{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 24px;
  margin-top:18px;
  padding-top:18px;
  border-top:1px dashed var(--sand);
}
.tl-points li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text);
  line-height:1.7;
}
.tl-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--accent);
}
.tl-item--fill .tl-points li::before{background:var(--moss);}

/* ---------- 清单 ---------- */
.check-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.check-card{
  background:var(--white);
  border:1px solid var(--sand);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.check-card:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--shadow-2);}
.check-ico{
  width:40px;height:40px;
  border-radius:11px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(232,85,47,.1);
  color:var(--accent);
  font-size:16px;
  margin-bottom:16px;
}
.check-card h3{font-size:17px;margin-bottom:8px;}
.check-card p{font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- 项目对比条 ---------- */
.rows{
  border-top:1px solid var(--sand);
}
.row-item{
  display:grid;
  grid-template-columns:220px 1fr auto;
  gap:28px;
  align-items:center;
  padding:26px 12px;
  border-bottom:1px solid var(--sand);
  transition:background .22s var(--ease),padding .22s var(--ease);
}
.row-item:hover{background:var(--white);padding-left:22px;}
.row-item h3{font-size:19px;}
.row-item p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0;}
.row-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}
.row-arrow{
  width:38px;height:38px;
  border-radius:50%;
  border:1.5px solid var(--sand);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink);
  font-size:13px;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.row-item:hover .row-arrow{background:var(--accent);border-color:var(--accent);color:var(--white);}

/* ---------- 图文块 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--sand);
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/11;
  transition:transform .6s var(--ease);
  background:var(--sand);
}
.split-media:hover img{transform:scale(1.04);}
.split-media .float-card{
  position:absolute;
  left:20px;
  bottom:20px;
  background:rgba(12,21,18,.86);
  color:var(--inverse);
  border-radius:12px;
  padding:14px 18px;
  backdrop-filter:blur(2px);
}
.float-card b{
  display:block;
  font-size:26px;
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  line-height:1.1;
}
.float-card small{font-size:12px;color:rgba(242,244,241,.72);letter-spacing:.06em;}
.split-body h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;}
.split-body p{color:var(--muted);line-height:1.95;}
.mini-list{margin-top:22px;display:grid;gap:12px;}
.mini-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--text);
  line-height:1.7;
}
.mini-list i{
  color:var(--accent);
  font-size:12px;
  margin-top:7px;
  flex:none;
}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:56px;
  align-items:start;
}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
.faq-aside p{font-size:14.5px;color:var(--muted);line-height:1.9;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--sand);
  border-radius:12px;
  position:relative;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .26s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-item.is-open{border-color:var(--moss);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-sign{
  position:relative;
  width:18px;height:18px;
  flex:none;
}
.faq-sign::before,
.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
  transition:transform .26s var(--ease),background .26s var(--ease);
}
.faq-sign::before{left:0;top:8px;width:18px;height:2px;}
.faq-sign::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-sign::after{transform:rotate(90deg);opacity:0;}
.faq-item.is-open .faq-sign::before{background:var(--accent);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--muted);
  line-height:1.95;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--inverse);
  padding:76px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(127,160,143,.22);
  pointer-events:none;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:2;
}
.cta-band h2{
  color:var(--inverse);
  font-size:clamp(26px,3vw,38px);
  margin-bottom:16px;
}
.cta-band h2 .hl{color:var(--accent);}
.cta-band p{
  color:rgba(242,244,241,.76);
  font-size:15.5px;
  line-height:1.95;
  max-width:36em;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:14px 28px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  border:1.5px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn i{font-size:12px;transition:transform .22s var(--ease);}
.btn-primary{
  background:var(--ink);
  color:var(--inverse);
  border-color:var(--ink);
}
.btn-primary:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--white);
  transform:translateX(2px);
}
.btn-primary:hover i{transform:translateX(3px);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:var(--inverse);}
.btn-light{
  background:var(--white);
  color:var(--ink);
  border-color:var(--white);
}
.btn-light:hover{background:var(--accent);border-color:var(--accent);color:var(--white);}
.btn-outline-light{
  background:transparent;
  color:var(--inverse);
  border-color:rgba(242,244,241,.4);
}
.btn-outline-light:hover{background:rgba(242,244,241,.1);border-color:var(--inverse);color:var(--white);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

.cta-panel{
  background:rgba(242,244,241,.06);
  border:1px solid rgba(127,160,143,.3);
  border-radius:var(--radius-card);
  padding:28px;
}
.cta-panel h3{color:var(--inverse);font-size:18px;margin-bottom:16px;}
.cta-stat{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-bottom:22px;
}
.cta-stat div{
  border-top:2px solid var(--accent);
  padding-top:12px;
}
.cta-stat b{
  display:block;
  font-size:22px;
  font-variant-numeric:tabular-nums;
  color:var(--inverse);
  line-height:1.2;
}
.cta-stat small{font-size:12px;color:rgba(242,244,241,.6);letter-spacing:.04em;}
.cta-panel .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(242,244,241,.72);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(242,244,241,.12);
}
.footer-brand .brand{color:var(--inverse);margin-bottom:18px;}
.footer-brand .brand:hover{color:var(--accent);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(242,244,241,.62);max-width:30em;}
.footer-col h4{
  color:var(--inverse);
  font-size:15px;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  color:rgba(242,244,241,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--white);transform:translateX(-3px);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  line-height:1.8;
  color:rgba(242,244,241,.72);
}
.footer-contact i{
  color:var(--accent);
  font-size:13px;
  margin-top:7px;
  flex:none;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:rgba(242,244,241,.5);
  line-height:1.8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .wrap{max-width:1320px;}
}
@media (max-width:1199px){
  :root{--sec-y:84px;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .split{gap:40px;}
  .faq-layout{grid-template-columns:280px 1fr;gap:40px;}
}
@media (max-width:991px){
  :root{--sec-y:72px;}
  .nav-burger{display:flex;}
  .main-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    background:var(--white);
    border-bottom:1px solid var(--sand);
    box-shadow:0 18px 40px -30px rgba(21,53,43,.5);
    max-height:0;
    overflow:hidden;
    transition:max-height .32s var(--ease);
    margin-left:0;
  }
  .main-nav.is-open{max-height:520px;overflow-y:auto;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;}
  .nav-list li{border-bottom:1px solid var(--sand);}
  .nav-list li:last-child{border-bottom:0;}
  .nav-link{display:block;padding:14px 0;font-size:15px;border-radius:0;}
  .nav-link::after{display:none;}
  .nav-extra{margin-left:0;}
  .mega-wrap{display:none;}
  .nav-inner{gap:16px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .row-item{grid-template-columns:1fr;gap:12px;padding:22px 8px;}
  .row-tags{justify-content:flex-start;}
  .row-arrow{display:none;}
  .row-item:hover{padding-left:8px;}
  .cta-inner{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  body{font-size:15.5px;}
  .wrap{padding:0 18px;}
  .ticker-text{display:none;}
  .ticker-inner{gap:12px;}
  .ticker-clock{margin-left:auto;}
  .page-head{padding:44px 0 52px;}
  .page-head h1{letter-spacing:0;}
  .lede{font-size:15.5px;}
  .tl{padding-left:46px;}
  .tl::before{left:13px;}
  .tl-dot{left:-46px;width:28px;height:28px;font-size:11px;top:20px;}
  .tl-card{padding:22px 20px;}
  .tl-card h3{font-size:19px;}
  .tl-points{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:32px;}
  .cta-band{padding:56px 0;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .footer-col a:hover{transform:none;}
}
@media (max-width:575px){
  .ticker-link{display:none;}
  .brand{font-size:18px;}
  .brand-mark{width:23px;height:23px;}
  .cta-stat{grid-template-columns:1fr 1fr;}
  .faq-q{font-size:15.5px;padding:16px 18px;gap:14px;}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px;}
  .sec-head h2{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}