/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}

:root{
  --primary:#0E7C66;
  --primary-hover:#0A5F50;
  --primary-deep:#0A3F36;
  --primary-soft:#E8F3F0;
  --accent:#FF7A1A;
  --accent-hover:#E5670C;
  --ink:#0F1417;
  --text:#5A6469;
  --muted:#8A9297;
  --line:#E6E8E6;
  --bg:#FAF9F6;
  --card:#FFFFFF;
  --danger:#D64545;
  --r-lg:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,20,23,.05);
  --sh-2:0 16px 40px -16px rgba(15,20,23,.18);
  --w:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}

/* ---------- 排版 ---------- */
.h1{font-size:clamp(32px,5vw,60px);line-height:1.1;font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.h2{font-size:clamp(24px,3vw,40px);line-height:1.15;font-weight:750;letter-spacing:-.02em;color:var(--ink)}
.h3{font-size:21px;line-height:1.35;font-weight:650;letter-spacing:-.01em;color:var(--ink)}
.lead{font-size:17px;line-height:1.8;color:var(--text)}
.muted{color:var(--muted);font-size:14px;line-height:1.6}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary);
  background:var(--primary-soft);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-head{max-width:780px;margin-bottom:44px}
.section-head p{margin-top:16px;font-size:16px;color:var(--text)}
.text-link{
  display:inline-block;color:var(--primary);font-weight:600;
  background-image:linear-gradient(var(--primary),var(--primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size .2s var(--ease);padding-bottom:2px;
}
.text-link:hover{background-size:100% 1px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{background:#C9D2CF;color:#fff;border-color:#C9D2CF;cursor:default;transform:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(250,249,246,.72);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-compact{
  background:rgba(250,249,246,.95);
  box-shadow:0 1px 0 rgba(15,20,23,.07),0 8px 24px -20px rgba(15,20,23,.35);
}
.nav-inner{
  display:flex;flex-wrap:wrap;align-items:center;
  column-gap:28px;
  max-width:var(--w);margin:0 auto;padding:0 24px;
}
.brand{display:flex;align-items:center;gap:10px;height:64px;transition:height .22s var(--ease)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--primary);position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;top:8px;width:14px;height:14px;
  border:2px solid #fff;border-radius:5px 5px 5px 0;
}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.nav-note{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto;min-width:0}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;height:64px;transition:height .22s var(--ease)}
.nav-search{position:relative}
.nav-search input{
  width:230px;height:40px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),width .2s var(--ease);
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.16)}
.channels{
  flex:1 1 100%;display:flex;align-items:center;gap:30px;
  height:52px;border-bottom:1px solid var(--line);
  transition:height .22s var(--ease);
  overflow-x:auto;scrollbar-width:none;
}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;font-size:15px;font-weight:550;color:var(--ink);
  white-space:nowrap;padding:6px 0;line-height:1.2;
}
.channel::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:var(--primary);transition:width .22s var(--ease),left .22s var(--ease);
}
.channel:hover::after{width:100%;left:0}
.channel.is-active::after{width:100%;left:0}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-burger span{display:block;width:18px;height:1.8px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-burger.is-active span:nth-child(1){transform:translateY(6.8px) rotate(45deg)}
.nav-burger.is-active span:nth-child(2){opacity:0}
.nav-burger.is-active span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg)}

.site-header.is-compact .brand,
.site-header.is-compact .nav-actions{height:56px}
.site-header.is-compact .nav-note{display:none}
.site-header.is-compact .channels{flex:0 1 auto;height:56px;border-bottom-color:transparent}
.site-header.is-compact .nav-search input{width:180px}

/* 移动端抽屉 */
.drawer,.drawer-mask{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(15,20,23,.45);z-index:95;opacity:0;transition:opacity .24s var(--ease)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:100;
  background:var(--bg);display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .26s var(--ease);
  box-shadow:-20px 0 50px -30px rgba(15,20,23,.5);
}
.drawer-mask.is-open{display:block;opacity:1}
.drawer.is-open{display:flex;transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0}
.drawer-nav a{display:flex;align-items:center;height:52px;padding:0 20px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);font-weight:550}
.drawer-nav a.is-active{color:var(--primary)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(180deg,rgba(250,249,246,.94) 0%,rgba(250,249,246,.78) 52%,#FAF9F6 100%),url('/assets/images/backpic/back-1.jpg');
  background-size:cover;
  background-position:center;
  padding:64px 0 96px;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-sub{margin-top:20px;font-size:18px;line-height:1.7;color:var(--ink);font-weight:600;max-width:520px}
.hero-body{margin-top:18px;font-size:16px;color:var(--text);max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-figure{position:relative}
.hero-figure img{width:100%;height:auto;border-radius:var(--r-lg);box-shadow:var(--sh-2);object-fit:cover}
.hero-float{
  position:absolute;left:-18px;bottom:-26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:16px 20px;min-width:212px;
}
.hero-float strong{display:block;font-size:22px;font-weight:800;color:var(--ink)}
.hero-float span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- 指标看板 ---------- */
.metrics{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:44px 28px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric strong{display:block;font-size:clamp(32px,3.4vw,52px);line-height:1.05;font-weight:800;color:var(--ink);letter-spacing:-.03em}
.metric span{display:block;margin-top:12px;font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- 板块通用 ---------- */
.section{padding:110px 0}
.section-tight{padding:76px 0}
.section-plain{background:var(--bg)}
.section-card{background:var(--card)}
.section-dark{background:#0F1417;color:#F4F5F4}
.section-dark .h2,.section-dark .h3{color:#F4F5F4}
.section-dark .eyebrow{background:rgba(14,124,102,.22);color:#6ED3BC}
.section-dark .section-head p{color:#A9B3B1}

/* ---------- 频道矩阵 ---------- */
.matrix{display:grid;grid-template-columns:4fr 8fr;gap:24px}
.matrix-left{display:grid;gap:24px}
.channel-card{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary)}
.channel-card img{width:100%;height:172px;object-fit:cover;transition:transform .22s var(--ease)}
.channel-card:hover img{transform:scale(1.03)}
.channel-card-body{padding:20px}
.channel-card-body h3{font-size:19px;font-weight:650;color:var(--ink);letter-spacing:-.01em}
.channel-card-body p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--text)}
.channel-card-meta{margin-top:14px;font-size:12px;color:var(--accent);font-weight:600}
.channel-card .arrow{
  position:absolute;top:18px;right:18px;width:28px;height:28px;border-radius:50%;
  background:#fff;display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:14px;opacity:0;transform:translate(-4px,4px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.channel-card:hover .arrow{opacity:1;transform:translate(0,0)}
.matrix-right{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mini-card{
  display:flex;align-items:center;gap:14px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  padding:20px;box-shadow:var(--sh-1);position:relative;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.mini-card:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--sh-2)}
.mini-icon{
  width:44px;height:44px;flex:none;border-radius:12px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.mini-card strong{display:block;font-size:15px;font-weight:650;color:var(--ink)}
.mini-card em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:4px}
.mini-card .arrow-r{position:absolute;right:16px;top:16px;color:var(--primary);opacity:0;transform:translateX(-4px);transition:opacity .22s var(--ease),transform .22s var(--ease)}
.mini-card:hover .arrow-r{opacity:1;transform:translateX(0)}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.compare-col{padding:32px}
.compare-col h3{font-size:19px;font-weight:650;color:var(--ink);margin-bottom:6px}
.compare-col .cap{font-size:13px;color:var(--muted);margin-bottom:18px}
.compare-col img{width:100%;height:150px;object-fit:cover;border-radius:var(--r-sm);margin-bottom:20px}
.compare-col li{position:relative;padding-left:26px;margin-bottom:14px;font-size:15px;line-height:1.7}
.compare-divider{background:var(--line)}
.compare-before{background:#F5F6F5;color:var(--muted)}
.compare-before li{color:var(--muted)}
.compare-before li::before{content:"";position:absolute;left:8px;top:11px;width:6px;height:6px;border-radius:50%;background:#C7CCCA}
.compare-after{background:#fff}
.compare-after li{color:var(--ink);font-weight:550}
.compare-after li::before{
  content:"";position:absolute;left:5px;top:9px;width:10px;height:6px;
  border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);
}

/* ---------- 里程碑 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:16px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:14px;height:1px;background:rgba(255,255,255,.16)}
.tl-item{position:relative;padding-top:44px}
.tl-dot{
  position:absolute;top:6px;left:0;width:17px;height:17px;border-radius:50%;
  background:#3A4644;border:3px solid #0F1417;
  transition:background-color .5s var(--ease),transform .5s var(--ease);
}
.tl-item.is-on .tl-dot{background:var(--primary);transform:scale(1.12)}
.tl-mark{font-size:24px;font-weight:800;color:#F4F5F4;letter-spacing:-.02em}
.tl-item h3{margin-top:10px;font-size:17px;font-weight:650;color:#F4F5F4}
.tl-item p{margin-top:8px;font-size:14px;line-height:1.75;color:#A9B3B1}

/* ---------- 资讯列表 ---------- */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:100px 1fr;gap:20px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.news-item img{width:100px;height:72px;object-fit:cover;border-radius:var(--r-sm);transition:transform .22s var(--ease)}
.news-item:hover img{transform:scale(1.04)}
.news-item h3{font-size:18px;font-weight:650;line-height:1.45;color:var(--ink);letter-spacing:-.01em;transition:color .2s var(--ease)}
.news-item:hover h3{color:var(--primary)}
.news-item p{margin-top:6px;font-size:15px;color:var(--text);line-height:1.7}
.news-meta{margin-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:#F1F4F3;color:var(--primary);font-size:12px;font-weight:600;
}
.tag-accent{background:rgba(255,122,26,.12);color:var(--accent-hover)}
.news-more{margin-top:32px}

/* ---------- 专题卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;overflow:hidden;
  box-shadow:var(--sh-1);display:block;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary)}
.topic-card figure{aspect-ratio:16/9;overflow:hidden}
.topic-card img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.topic-card:hover img{transform:scale(1.03)}
.topic-body{padding:22px}
.topic-body h3{font-size:17px;font-weight:650;color:var(--ink);line-height:1.4}
.topic-body p{margin-top:10px;font-size:14px;color:var(--text);line-height:1.7}
.topic-body .tag{margin-top:14px}

/* ---------- 平台保障 ---------- */
.guard-list{border-top:1px solid var(--line)}
.guard-item{display:grid;grid-template-columns:32px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
.guard-item svg{color:var(--primary);margin-top:2px}
.guard-item h3{font-size:18px;font-weight:650;color:var(--ink)}
.guard-item p{margin-top:8px;font-size:15px;color:var(--text);line-height:1.75;max-width:820px}

/* ---------- 快速解答 ---------- */
.qa-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.qa-card{
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  padding:22px;cursor:pointer;box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.qa-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-2)}
.qa-q{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;font-size:16px;font-weight:650;color:var(--ink);line-height:1.5}
.qa-arrow{color:var(--primary);transition:transform .24s var(--ease);flex:none;margin-top:4px}
.qa-card.is-open .qa-arrow{transform:rotate(180deg)}
.qa-short{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.65}
.qa-full{max-height:0;overflow:hidden;transition:max-height .24s var(--ease),opacity .24s var(--ease);opacity:0}
.qa-card.is-open .qa-full{opacity:1}
.qa-full p{padding-top:12px;font-size:14px;color:var(--text);line-height:1.8;border-top:1px solid var(--line);margin-top:12px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:64px}
.step-num{
  position:absolute;top:0;left:0;font-size:56px;line-height:1;font-weight:800;
  color:#E6E8E6;letter-spacing:-.04em;
}
.step h3{position:relative;font-size:18px;font-weight:650;color:var(--ink)}
.step p{position:relative;margin-top:10px;font-size:14px;color:var(--text);line-height:1.75}
.step::after{content:"";position:absolute;left:0;top:118px;width:44px;height:1px;background:var(--line)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
  position:relative;transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-item.is-open{border-left:3px solid var(--primary)}
.faq-item.is-open .faq-q{padding-left:16px}
.faq-item.is-open .faq-a-inner{padding-left:16px}
.faq-q::after{
  content:"";width:9px;height:9px;flex:none;margin-top:8px;
  border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;
  transform:rotate(45deg);transition:transform .24s var(--ease);
}
.faq-item.is-open .faq-q::after{transform:rotate(-135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 0 22px;font-size:15px;color:var(--text);line-height:1.85}

/* ---------- 标签云 ---------- */
.tag-group{margin-bottom:30px}
.tag-group:last-child{margin-bottom:0}
.tag-group h3{font-size:14px;font-weight:650;color:var(--ink);margin-bottom:14px;letter-spacing:.02em}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  font-size:14px;color:var(--text);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tag-pill:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--primary-soft)}

/* ---------- 订阅条 ---------- */
.subscribe{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:0;
}
.subscribe-inner{display:flex;align-items:center;gap:28px;min-height:88px;padding:18px 0}
.subscribe-inner p{font-size:15px;color:var(--ink);font-weight:600}
.subscribe-inner .muted{margin-top:4px;font-weight:400}
.subscribe-form{margin-left:auto;display:flex;align-items:center;gap:12px}
.subscribe-form input{
  width:280px;height:48px;padding:0 18px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--bg);font-size:14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.18)}
.subscribe-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.16)}
.form-hint{margin-top:8px;font-size:12px;color:var(--danger);min-height:16px;display:none}
.form-hint.is-show{display:block}

/* ---------- 提交表单 ---------- */
.submit-section{background:var(--primary-deep);color:#F4F5F4}
.submit-grid{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:start}
.submit-grid .h2{color:#F4F5F4}
.submit-points{margin-top:26px}
.submit-points li{position:relative;padding-left:26px;margin-bottom:14px;font-size:15px;color:#C6D2CF;line-height:1.75}
.submit-points li::before{content:"";position:absolute;left:5px;top:10px;width:10px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.submit-note{margin-top:26px;font-size:13px;color:#8FA5A0;line-height:1.7}
.submit-note a{color:#6ED3BC;text-decoration:underline;text-underline-offset:3px}
.form-panel{background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2);color:var(--text)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field label span{color:var(--accent)}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid #D9DEDC;background:#fff;font-size:15px;line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field input{height:48px}
.field textarea{min-height:120px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:#B9C2BF}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.18)}
.field input.is-error,.field textarea.is-error{border-color:var(--danger)}
.field .err{display:none;margin-top:6px;font-size:12px;color:var(--danger)}
.field .err.is-show{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.file-note{font-size:13px;color:var(--muted);line-height:1.7;background:#F6F8F7;border:1px dashed var(--line);border-radius:var(--r-sm);padding:12px 14px}
.form-panel .btn{width:100%;margin-top:6px}

/* ---------- 页尾横幅 ---------- */
.footer-banner{
  position:relative;padding:0;
  background-image:linear-gradient(rgba(10,63,54,.82),rgba(10,63,54,.82)),url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;
}
.footer-banner-inner{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:20px;padding:48px 0;
}
.footer-banner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:750;letter-spacing:-.02em}
.footer-banner p{color:#CFE0DC;font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1417;color:#A9B3B1;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 3fr;gap:48px;padding-bottom:48px}
.site-footer .brand-name{color:#F4F5F4}
.site-footer .brand-mark{background:var(--primary)}
.footer-col p{margin-top:18px;font-size:14px;line-height:1.8;max-width:360px}
.footer-col h3{font-size:15px;font-weight:650;color:#F4F5F4;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:14px;line-height:1.7}
.footer-col a{transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 24px 30px;font-size:13px;color:#7C8783;
}
.footer-bottom .num{color:#7C8783}

/* ---------- 动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
  [data-reveal]{transform:none}
  .channel-card:hover,.mini-card:hover,.topic-card:hover,.qa-card:hover,.btn:hover{transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:76px 0}
  .section-tight{padding:60px 0}
  .nav-note{display:none}
  .channels,.nav-actions{display:none}
  .nav-burger{display:flex}
  .nav-inner{justify-content:space-between}
  .hero{padding:44px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-body{max-width:none}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric{border-left:1px solid var(--line)}
  .metric:nth-child(odd){border-left:0}
  .metric:nth-child(n+3){border-top:1px solid var(--line)}
  .matrix{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr 1fr}
  .qa-track{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none}
  .qa-track::-webkit-scrollbar{display:none}
  .qa-card{flex:0 0 78vw;max-width:420px;scroll-snap-align:start}
  .steps{grid-template-columns:1fr 1fr;gap:32px}
  .step::after{display:none}
  .timeline{grid-template-columns:1fr 1fr;gap:32px 28px}
  .timeline::before{display:none}
  .faq-wrap{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .subscribe-inner{flex-direction:column;align-items:flex-start;gap:16px;padding:24px 0}
  .subscribe-form{margin-left:0;width:100%}
  .subscribe-form input{flex:1;width:auto}
  .submit-grid{grid-template-columns:1fr;gap:36px}
}

@media (max-width:768px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .hero{padding:32px 0 56px}
  .h1{font-size:clamp(28px,7vw,36px)}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric{padding:28px 18px}
  .metric strong{font-size:30px}
  .matrix-right{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .compare-divider{height:1px;width:100%}
  .topic-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:28px}
  .news-item{grid-template-columns:84px 1fr;gap:14px}
  .news-item img{width:84px;height:60px}
  .news-item h3{font-size:16px}
  .news-item p{font-size:14px}
  .field-row{grid-template-columns:1fr}
  .form-panel{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-banner-inner{min-height:170px;padding:40px 0}
  .subscribe-form{flex-direction:column;align-items:stretch}
  .subscribe-form input{width:100%}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto}
}

@media (max-width:520px){
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-left:0;border-top:1px solid var(--line)}
  .metric:first-child{border-top:0}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .subscribe-form .btn{width:100%}
  .qa-card{flex:0 0 82vw}
}

/* roulang page: category1 */
:root{
 --primary:#0E7C66;
 --primary-hover:#0A5F50;
 --primary-deep:#0A3F36;
 --primary-soft:#E8F3F0;
 --accent:#FF7A1A;
 --accent-hover:#E5670C;
 --ink:#0F1417;
 --text:#5A6469;
 --muted:#8A9297;
 --line:#E6E8E6;
 --bg:#FAF9F6;
 --card:#FFFFFF;
 --danger:#D64545;
 --r-lg:14px;
 --r-sm:10px;
 --r-pill:999px;
 --sh-1:0 1px 2px rgba(15,20,23,.05);
 --sh-2:0 16px 40px -16px rgba(15,20,23,.18);
 --w:1200px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
 font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.2;letter-spacing:-.02em;font-weight:750}
h1{font-size:clamp(30px,4vw,42px);font-weight:800;line-height:1.15}
h2{font-size:clamp(24px,3vw,36px);font-weight:750;line-height:1.15}
h3{font-size:20px;font-weight:650;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.num,time,.stat-num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.muted{color:var(--muted);font-size:14px;line-height:1.6}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary);
 background:var(--primary-soft);border-radius:var(--r-pill);
 padding:5px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head p{margin-top:14px;font-size:16px;color:var(--text)}
.text-link{
 display:inline-block;color:var(--primary);font-weight:600;
 background-image:linear-gradient(var(--primary),var(--primary));
 background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
 transition:background-size .2s var(--ease);padding-bottom:2px;
}
.text-link:hover{background-size:100% 1px}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:48px;padding:0 24px;border-radius:var(--r-pill);
 font-size:15px;font-weight:600;border:1.5px solid transparent;
 cursor:pointer;white-space:nowrap;
 transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{background:#C9D2CF;color:#fff;border-color:#C9D2CF;cursor:default;transform:none}
/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(250,249,246,.78);
 -webkit-backdrop-filter:blur(10px);
 backdrop-filter:blur(10px);
 transition:background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-compact{
 background:rgba(250,249,246,.95);
 box-shadow:0 1px 0 rgba(15,20,23,.07),0 8px 24px -20px rgba(15,20,23,.35);
}
.nav-inner{
 display:flex;flex-wrap:wrap;align-items:center;column-gap:28px;
 max-width:var(--w);margin:0 auto;padding:0 24px;
}
.brand{display:flex;align-items:center;gap:10px;height:64px;transition:height .22s var(--ease);order:1}
.brand-mark{
 width:30px;height:30px;border-radius:9px;background:var(--primary);position:relative;flex:none;
}
.brand-mark::after{
 content:"";position:absolute;left:8px;top:8px;width:14px;height:14px;
 border:2px solid #fff;border-radius:5px 5px 5px 0;
}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.nav-note{order:2;flex:1 1 auto;min-width:0;font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-actions{order:3;margin-left:auto;display:flex;align-items:center;gap:12px;height:64px;transition:height .22s var(--ease)}
.nav-search input{
 width:230px;height:40px;padding:0 16px;border-radius:var(--r-pill);
 border:1px solid var(--line);background:#fff;font-size:14px;
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease),width .2s var(--ease);
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.16)}
.nav-burger{
 display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
 cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-burger span{display:block;width:18px;height:1.8px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-burger.is-active span:nth-child(1){transform:translateY(6.8px) rotate(45deg)}
.nav-burger.is-active span:nth-child(2){opacity:0}
.nav-burger.is-active span:nth-child(3){transform:translateY(-6.8px) rotate(-45deg)}
.channels{
 order:4;flex:0 0 100%;width:100%;
 display:flex;align-items:center;gap:26px;
 height:52px;border-bottom:1px solid var(--line);
 overflow-x:auto;scrollbar-width:none;transition:height .22s var(--ease),border-color .22s var(--ease);
}
.channels::-webkit-scrollbar{display:none}
.channel{
 position:relative;display:inline-flex;align-items:center;height:52px;
 font-size:15px;font-weight:550;color:var(--ink);white-space:nowrap;
 transition:color .2s var(--ease);
}
.channel::after{
 content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--primary);
 transition:left .22s var(--ease),right .22s var(--ease);
}
.channel:hover{color:var(--primary)}
.channel:hover::after{left:0;right:0}
.channel.is-active{color:var(--primary)}
.channel.is-active::after{left:0;right:0}
.site-header.is-compact .brand,
.site-header.is-compact .nav-actions{height:56px}
.site-header.is-compact .nav-note{display:none}
.site-header.is-compact .channels{
 order:3;flex:0 1 auto;width:auto;height:56px;border-bottom-color:transparent;
}
.site-header.is-compact .nav-actions{order:4}
.site-header.is-compact .nav-search input{width:170px}
/* ---------- 移动抽屉 ---------- */
.drawer,.drawer-mask{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(15,20,23,.45);z-index:95;opacity:0;transition:opacity .24s var(--ease)}
.drawer{
 position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:100;
 background:var(--bg);display:flex;flex-direction:column;
 transform:translateX(102%);transition:transform .26s var(--ease);
 box-shadow:-20px 0 50px -30px rgba(15,20,23,.5);
}
.drawer-mask.is-open{display:block;opacity:1}
.drawer.is-open{display:flex;transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0}
.drawer-nav a{display:flex;align-items:center;height:52px;padding:0 20px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);font-weight:550}
.drawer-nav a.is-active{color:var(--primary)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink)}
/* ---------- 分类标题条 ---------- */
.cat-bar{
 background:linear-gradient(180deg,#E8F3F0 0%,#FAF9F6 100%);
 border-bottom:1px solid var(--line);
 padding:26px 0 34px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-bottom:16px}
.breadcrumb a:hover{color:var(--primary)}
.cat-bar-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:end}
.cat-bar h1{max-width:760px}
.cat-bar-desc{margin-top:14px;font-size:15px;color:var(--text);max-width:640px}
.cat-count{
 display:flex;flex-direction:column;align-items:flex-end;gap:4px;
 padding-left:28px;border-left:1px solid var(--line);
}
.cat-count strong{font-size:34px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.cat-count span{font-size:12px;color:var(--muted);letter-spacing:.04em}
/* ---------- 数据小看板 ---------- */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);
 border-bottom:1px solid var(--line);background:var(--bg);
}
.stat-cell{padding:22px 26px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-num{font-size:32px;font-weight:800;color:var(--ink);line-height:1.1}
.stat-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:3px}
.stat-cell p{margin-top:6px;font-size:12.5px;color:var(--muted);line-height:1.5}
/* ---------- 筛选行 ---------- */
.filter-row{
 display:flex;align-items:center;gap:24px;flex-wrap:wrap;
 padding:20px 0;border-bottom:1px solid var(--line);
}
.filter-tags{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;min-width:0;padding-bottom:2px}
.filter-tags::-webkit-scrollbar{display:none}
.filter-tag{
 height:36px;padding:0 16px;border-radius:var(--r-pill);
 border:1px solid var(--line);background:#fff;color:var(--ink);
 font-size:14px;font-weight:550;cursor:pointer;white-space:nowrap;
 transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-tag:hover{border-color:var(--primary);color:var(--primary)}
.filter-tag.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.filter-sort{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);flex:none}
.filter-sort select{
 height:36px;padding:0 34px 0 14px;border-radius:var(--r-pill);
 border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink);cursor:pointer;
 appearance:none;
 background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238A9297' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
 background-repeat:no-repeat;background-position:right 14px center;
}
.filter-sort select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,124,102,.16)}
/* ---------- 卡片主体 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.tip-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
 overflow:hidden;box-shadow:var(--sh-1);height:100%;
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8DEDB}
.tip-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EEF1EF}
.tip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.tip-card:hover .tip-thumb img{transform:scale(1.03)}
.tip-badge{
 position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:var(--r-pill);
 background:rgba(15,20,23,.78);color:#fff;font-size:12px;font-weight:600;
 display:inline-flex;align-items:center;gap:6px;
}
.tip-badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.tip-body{padding:20px}
.tip-body h3{font-size:19px;font-weight:650;line-height:1.4;transition:color .2s var(--ease)}
.tip-card:hover .tip-body h3{color:var(--primary)}
.tip-body p{margin-top:10px;font-size:15px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tip-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--muted)}
.pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:#F1F4F3;color:var(--primary);font-size:12px;font-weight:600}
.grid-foot{display:flex;justify-content:center;margin-top:40px}
/* ---------- 精选专题（宽卡） ---------- */
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.feature-card{
 display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;align-items:center;
 background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:16px;box-shadow:var(--sh-1);min-height:160px;
 transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8DEDB}
.feature-card img{width:100%;height:128px;object-fit:cover;border-radius:var(--r-sm)}
.feature-card h3{font-size:18px;font-weight:650;line-height:1.4;transition:color .2s var(--ease)}
.feature-card:hover h3{color:var(--primary)}
.feature-card p{margin-top:8px;font-size:14px;color:var(--text)}
.feature-card .pill{margin-top:12px}
/* ---------- 分类 FAQ 索引 ---------- */
.faq-index{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px}
.faq-list{border-top:1px solid var(--line)}
.faq-q{
 width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line);
 padding:18px 30px 18px 14px;cursor:pointer;position:relative;
 font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
 transition:color .2s var(--ease),background-color .2s var(--ease);
}
.faq-q::before{
 content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
 width:3px;height:0;background:var(--primary);border-radius:2px;transition:height .22s var(--ease);
}
.faq-q::after{
 content:"";position:absolute;right:8px;top:50%;width:9px;height:9px;
 border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);
 transform:translateY(-70%) rotate(45deg);transition:transform .22s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q.is-active{color:var(--primary)}
.faq-q.is-active::before{height:24px}
.faq-q.is-active::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--primary)}
.faq-inline{display:none}
.faq-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.faq-pane{display:none}
.faq-pane.is-active{display:block}
.faq-pane h3{font-size:20px;font-weight:650;line-height:1.45}
.faq-pane p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text)}
.faq-pane ul{margin-top:16px;display:grid;gap:10px}
.faq-pane li{position:relative;padding-left:20px;font-size:15px;color:var(--text)}
.faq-pane li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--primary-soft);border:1.6px solid var(--primary)}
/* ---------- 线索提交引导条 ---------- */
.submit-bar{
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
 background:var(--card);border:1px solid var(--line);border-left:4px solid var(--primary);
 border-radius:var(--r-lg);padding:26px 32px;box-shadow:var(--sh-1);
}
.submit-bar h3{font-size:20px;font-weight:650}
.submit-bar p{margin-top:8px;font-size:14.5px;color:var(--text);max-width:640px}
/* ---------- 相关文章 ---------- */
.post-list{border-top:1px solid var(--line)}
.post-row{
 display:flex;align-items:center;justify-content:space-between;gap:24px;
 padding:16px 4px;border-bottom:1px solid var(--line);
}
.post-row a{font-size:16px;font-weight:550;color:var(--ink);transition:color .2s var(--ease)}
.post-row a:hover{color:var(--primary)}
.post-row time{font-size:13px;color:var(--muted);flex:none}
/* ---------- 底部订阅/总览条 ---------- */
.bottom-bar{
 display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
 background:var(--primary-deep);border-radius:var(--r-lg);padding:24px 32px;
}
.bottom-bar .sub-left{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.bottom-bar p{color:#A9B3B1;font-size:14px}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
 height:44px;width:260px;padding:0 16px;border-radius:var(--r-pill);
 border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#F4F5F4;font-size:14px;
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.sub-form input::placeholder{color:#8D9A97}
.sub-form input:focus{outline:none;border-color:#2FB79A;box-shadow:0 0 0 3px rgba(47,183,154,.24);background:rgba(255,255,255,.12)}
.sub-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.2)}
.sub-note{min-height:18px;font-size:12px;color:#8D9A97;flex-basis:100%}
.sub-note.is-error{color:#FFB4B4}
.overview-link{
 display:inline-flex;align-items:center;gap:8px;color:#F4F5F4;font-weight:600;font-size:15px;
 border-bottom:1px solid rgba(244,245,244,.35);padding-bottom:2px;
 transition:color .2s var(--ease),border-color .2s var(--ease);
}
.overview-link:hover{color:#8FE3D0;border-color:#8FE3D0}
.overview-link span{transition:transform .2s var(--ease)}
.overview-link:hover span{transform:translateX(3px)}
/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9B3B1;margin-top:72px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:48px}
.footer-col .brand{height:auto;margin-bottom:18px}
.footer-col .brand-name{color:#F4F5F4}
.footer-col p{font-size:14px;line-height:1.8;color:#A9B3B1;max-width:420px}
.footer-col h3{font-size:15px;font-weight:650;color:#F4F5F4;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:#A9B3B1}
.footer-col li a{transition:color .2s var(--ease)}
.footer-col li a:hover{color:var(--primary)}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:48px;padding-top:22px;padding-bottom:26px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7F8C89;
}
/* ---------- 响应式 ---------- */
@media (max-width:1023px){
 .nav-note,.nav-search,.nav-cta{display:none}
 .nav-burger{display:flex}
 .channels{display:none}
 .site-header.is-compact .channels{display:none}
 .nav-inner{height:64px;flex-wrap:nowrap}
 .brand,.nav-actions{height:64px}
 .section{padding:56px 0}
 .cat-bar-grid{grid-template-columns:1fr;gap:24px;align-items:start}
 .cat-count{align-items:flex-start;padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:16px}
 .card-grid{grid-template-columns:1fr}
 .feature-list{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:36px}
 .faq-index{grid-template-columns:1fr;gap:0}
 .faq-panel{display:none}
 .faq-inline{display:block;max-height:0;overflow:hidden;font-size:14.5px;color:var(--text);line-height:1.8;transition:max-height .24s var(--ease)}
 .faq-q.is-open .faq-inline{max-height:360px;padding-top:10px}
 .faq-q{padding-right:34px}
 .faq-q.is-open::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--primary)}
 .faq-q.is-open{color:var(--primary)}
 .faq-q.is-open::before{height:24px}
 .bottom-bar{flex-direction:column;align-items:flex-start;gap:18px}
 .sub-form input{width:100%}
 .sub-form{width:100%}
}
@media (max-width:767px){
 .container{padding:0 20px}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .stat-cell{padding:18px 18px;border-right:1px solid var(--line)}
 .stat-cell:nth-child(2n){border-right:0}
 .stat-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .feature-card{grid-template-columns:1fr;gap:14px}
 .feature-card img{height:180px}
 .submit-bar{padding:22px 20px}
 .post-row{flex-direction:column;align-items:flex-start;gap:6px}
 .cat-count strong{font-size:28px}
 .bottom-bar{padding:22px 20px}
}
@media (max-width:520px){
 .brand-name{font-size:16px}
 .tip-body h3{font-size:17px}
 .stat-num{font-size:26px}
 .btn{width:100%}
 .submit-bar .btn{width:100%}
 .drawer-foot .btn{width:100%}
 .grid-foot .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
 *{animation:none!important;transition-duration:.01ms!important}
 html{scroll-behavior:auto}
 .reveal{opacity:1;transform:none}
}