/* roulang page: index */
:root{
  --brand:#2A5BDA;
  --brand-hover:#2450c6;
  --brand-weak:#EEF3FF;
  --brand-deep:#16357E;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#101828;
  --ink-2:#3B4657;
  --ink-3:#7A869A;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok:#16A34A;
  --ok-soft:#EAF9F0;
  --warn:#D97706;
  --err:#DC2626;
  --r-btn:10px;
  --r-input:10px;
  --r-card:16px;
  --r-banner:20px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.06);
  --sh-2:0 10px 28px rgba(16,24,40,.10);
  --sh-3:0 6px 20px rgba(16,24,40,.10);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  padding:14px 0 10px;
  transition:box-shadow .2s ease;
}
.nav-card{
  display:flex;align-items:center;gap:16px;
  min-height:68px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px 14px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-3)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  position:relative;flex:0 0 auto;
  box-shadow:0 4px 12px rgba(42,91,218,.28);
}
.brand-mark::before{
  content:"";position:absolute;left:9px;top:8px;width:7px;height:18px;border-radius:2px;background:#fff;opacity:.95;
}
.brand-mark::after{
  content:"";position:absolute;left:18px;top:8px;width:7px;height:9px;border-radius:2px;background:var(--accent);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;min-width:0}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:10px;
  font-size:13px;font-weight:500;color:var(--ink-2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-link i{font-size:12px;color:var(--ink-3);transition:color .2s ease}
.nav-link:hover{background:var(--brand-weak);color:var(--brand)}
.nav-link:hover i{color:var(--brand)}
.nav-link.is-active{
  background:var(--brand-weak);color:var(--brand);
  border-color:var(--brand);font-weight:600;
}
.nav-link.is-active i{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-weak);border-color:var(--brand);color:var(--brand)}

.mobile-drawer{
  display:none;
  margin-top:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-3);
  overflow:hidden;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 18px;
  font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.mobile-drawer a:last-of-type{border-bottom:0}
.mobile-drawer a:hover{background:var(--brand-weak);color:var(--brand)}
.mobile-drawer a.is-active{border-left-color:var(--brand);background:var(--brand-weak);color:var(--brand);font-weight:600}
.mobile-drawer .drawer-cta{padding:14px 18px;border-top:1px solid var(--line)}
.mobile-drawer .drawer-cta .btn{width:100%}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 8px 20px rgba(42,91,218,.24)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-weak);transform:translateY(-1px)}
.btn-soft{background:var(--brand-weak);color:var(--brand)}
.btn-soft:hover{background:#E1EAFF;transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

.badge{
  display:inline-flex;align-items:center;gap:4px;
  height:23px;padding:0 10px;border-radius:var(--r-chip);
  font-size:12px;font-weight:500;line-height:1;
  background:var(--brand-weak);color:var(--brand);
}
.badge-hot{background:var(--accent-soft);color:var(--accent)}
.badge-plain{background:#F0F2F7;color:var(--ink-3)}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:10px;color:var(--brand-deep)}

/* ============ 板块通用 ============ */
.section{padding:88px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink)}
.section-sub{margin-top:8px;font-size:15px;color:var(--ink-3);line-height:1.7;max-width:660px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-weak);border-radius:var(--r-chip);
  padding:5px 14px;margin-bottom:14px;
}

/* ============ Hero ============ */
.hero-wrap{padding-top:20px}
.hero{
  position:relative;border-radius:var(--r-banner);overflow:hidden;
  min-height:470px;display:flex;align-items:center;
  background:#20293C;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,16,30,.88) 0%,rgba(10,16,30,.66) 46%,rgba(10,16,30,.14) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 52px 104px;max-width:660px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:var(--r-chip);
  background:rgba(255,138,61,.18);color:#FFB27A;
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.25;
  color:#fff;letter-spacing:.2px;
}
.hero-sub{
  margin-top:16px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.82);
  max-width:520px;
}
.hero-btns{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}

.hero-stats{
  position:relative;z-index:3;
  margin-top:-52px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.hero-stat{padding:22px 24px;border-right:1px solid var(--line)}
.hero-stat:last-child{border-right:0}
.hero-stat b{display:block;font-size:24px;font-weight:700;color:var(--ink);line-height:1.2}
.hero-stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-3)}

/* ============ 横滑片库 ============ */
.chips{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.chip{
  height:34px;padding:0 16px;border-radius:var(--r-chip);
  background:#fff;border:1px solid var(--line);
  color:var(--ink-2);font-size:13px;font-weight:500;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-weak)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.shelf-arrows{display:flex;gap:8px}
.arrow-btn{
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.arrow-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:var(--sh-2)}

.shelf-track{
  display:flex;gap:18px;
  overflow-x:auto;padding:6px 0 16px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;
}
.shelf-track::-webkit-scrollbar{display:none}
.media-card{
  flex:0 0 212px;scroll-snap-align:start;
  transition:transform .2s ease;
}
.media-card:hover{transform:translateY(-4px)}
.media-thumb{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:2/3;background:#E9EDF5;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease;
}
.media-card:hover .media-thumb{box-shadow:var(--sh-2)}
.thumb-fallback{font-size:26px;color:#C3CBDA}
.media-thumb img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .25s ease;
}
.media-card:hover .media-thumb img{transform:scale(1.03)}
.play-dot{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.86);
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.82);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;opacity:0;transition:opacity .22s ease,transform .22s ease;
  z-index:2;
}
.media-card:hover .play-dot{opacity:1;transform:translate(-50%,-50%) scale(1)}
.media-title{
  margin-top:12px;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:45px;
}
.media-meta{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:12px;color:var(--ink-3)}

/* ============ 热播混排 ============ */
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hot-main{
  grid-column:span 2;grid-row:span 2;
  position:relative;border-radius:var(--r-card);overflow:hidden;
  min-height:300px;background:#20293C;height:100%;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.hot-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.hot-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hot-main-shade{
  position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(10,16,30,.88) 0%,rgba(10,16,30,.28) 52%,rgba(10,16,30,0) 100%);
}
.hot-main-info{position:absolute;left:28px;right:28px;bottom:26px;z-index:2}
.rank-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--accent);color:#fff;font-size:17px;font-weight:700;
  margin-bottom:12px;
}
.hot-main-info h3{color:#fff;font-size:22px;font-weight:700}
.hot-main-info p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.hot-sub{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:16/9;background:#E9EDF5;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.hot-sub:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.hot-sub img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hot-sub-shade{position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,16,30,.82) 0%,rgba(10,16,30,.06) 70%)}
.hot-sub-info{position:absolute;left:16px;right:16px;bottom:14px;z-index:2}
.hot-sub-info h3{color:#fff;font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-sub-rank{
  position:absolute;left:14px;top:12px;z-index:2;
  font-size:15px;font-weight:700;color:var(--accent);
  background:rgba(255,255,255,.92);border-radius:8px;padding:2px 8px;
}
.hot-foot{margin-top:26px;display:flex;justify-content:center}

/* ============ 片单分区 ============ */
.pick-row{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
  padding:56px 0;
  border-top:1px solid var(--line);
}
.pick-row:first-child{border-top:0;padding-top:0}
.pick-collage{position:relative;height:340px}
.pick-collage .c1,.pick-collage .c2,.pick-collage .c3{
  position:absolute;border-radius:var(--r-card);overflow:hidden;
  background:#E9EDF5;box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:center;
}
.pick-collage .c1{left:0;top:0;width:62%;aspect-ratio:4/3;z-index:2}
.pick-collage .c2{right:0;top:34px;width:52%;aspect-ratio:3/4;z-index:1}
.pick-collage .c3{left:22%;bottom:0;width:48%;aspect-ratio:16/9;z-index:3}
.pick-collage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pick-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.pick-copy p{margin-top:14px;font-size:15px;color:var(--ink-3);line-height:1.8;max-width:560px}
.pick-list{margin-top:24px}
.pick-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.pick-list li:last-child{border-bottom:0}
.pick-list i{color:var(--brand);font-size:14px;margin-top:5px;flex:0 0 auto}
.pick-list b{color:var(--ink);font-weight:600}
.pick-cta{margin-top:24px}

/* ============ 订阅 CTA ============ */
.cta-band{
  margin-top:88px;
  background:linear-gradient(90deg,var(--brand-weak) 0%,#FFFFFF 72%);
  border:1px solid var(--line);
  border-radius:var(--r-banner);
  padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);font-weight:700}
.cta-band p{margin-top:12px;font-size:15px;color:var(--ink-3);line-height:1.8;max-width:460px}
.subscribe{display:flex;gap:12px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 240px;min-height:48px;padding:0 16px;
  border-radius:var(--r-input);border:1px solid var(--line);
  background:#fff;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input::placeholder{color:#A8B1C2}
.subscribe input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,91,218,.16)}
.subscribe input.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(220,38,38,.12)}
.form-msg{margin-top:12px;font-size:13px;line-height:1.6;display:none}
.form-msg.is-error{display:block;color:var(--err)}
.form-msg.is-ok{
  display:block;color:var(--ok);
  background:var(--ok-soft);border-radius:var(--r-input);
  padding:10px 14px;
}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  display:block;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateX(2px);box-shadow:var(--sh-2);border-color:#D5DEF5}
.news-card:hover .news-title{color:var(--brand)}
.news-title{
  margin-top:12px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-excerpt{
  margin-top:10px;font-size:14px;color:var(--ink-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:47px;
}
.news-meta{
  margin-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--ink-3);
}
.news-meta i{color:var(--brand);transition:transform .2s ease}
.news-card:hover .news-meta i{transform:translateX(3px)}
.news-empty{
  grid-column:1 / -1;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.news-empty i{font-size:30px;color:#C3CBDA}
.news-empty p{margin-top:14px;font-size:15px;color:var(--ink-3)}
.news-empty .btn{margin-top:18px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.acc-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.acc-item:hover{box-shadow:var(--sh-1)}
.acc-item.is-open{border-color:#CBD8F7;box-shadow:var(--sh-1)}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;
  text-align:left;border-left:3px solid transparent;
  transition:border-color .2s ease;
}
.acc-item.is-open .acc-head{border-left-color:var(--brand)}
.acc-q{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.acc-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-weak);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform .22s ease,background .22s ease,color .22s ease;
}
.acc-item.is-open .acc-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.acc-body{display:none;padding:0 22px 22px;border-left:3px solid var(--brand)}
.acc-body p{font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;background:#FAFBFD;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-text{font-size:16px}
.footer-desc{margin-top:16px;font-size:14px;color:var(--ink-3);line-height:1.8;max-width:300px}
.footer-title{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{
  font-size:14px;color:var(--ink-3);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--brand);padding-left:3px}
.footer-info li{font-size:14px;color:var(--ink-3);margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer-info i{color:var(--brand);margin-top:4px;font-size:13px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom .copy-right{margin-left:auto;text-align:right}
.footer-bottom a{color:var(--brand)}
.footer-bottom a:hover{text-decoration:underline}

/* ============ 骨架屏 ============ */
.skeleton{
  background:linear-gradient(90deg,#EDF0F6 25%,#F7F9FC 37%,#EDF0F6 63%);
  background-size:400% 100%;
  animation:shimmer 1.4s ease infinite;
  border-radius:var(--r-card);
}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-card{justify-content:space-between}
  .hero-inner{padding:52px 36px 96px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat:nth-child(2){border-right:0}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){border-bottom:1px solid var(--line)}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .hot-main{grid-column:span 2;grid-row:span 1;min-height:280px}
  .pick-row{grid-template-columns:1fr;gap:32px}
  .pick-collage{height:300px;order:-1}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0 0}
}
@media (max-width:768px){
  .news-grid{grid-template-columns:1fr}
  .media-card{flex:0 0 158px}
  .media-title{font-size:14px;min-height:42px}
  .hot-grid{grid-template-columns:1fr}
  .hot-main{grid-column:span 1;min-height:240px}
  .section-head{align-items:flex-start}
  .section{padding:48px 0 0}
  .cta-band{margin-top:48px}
  .site-footer{margin-top:64px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero{min-height:420px}
  .hero-inner{padding:40px 20px 92px}
  .hero-btns .btn{width:100%}
  .hero-btns{gap:10px}
  .hero-stats{grid-template-columns:1fr;margin-top:-42px}
  .hero-stat{border-right:0;border-bottom:1px solid var(--line);padding:18px 20px}
  .hero-stat:last-child{border-bottom:0}
  .btn{width:100%}
  .nav-actions .btn{width:auto}
  .arrow-btn{width:44px;height:44px}
  .pick-collage{height:240px}
  .cta-band{padding:26px}
  .subscribe input{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom .copy-right{margin-left:0;text-align:left}
  .acc-head{padding:16px 16px}
  .acc-body{padding:0 16px 18px}
  .news-card{padding:18px}
}

/* roulang page: category1 */
:root{
  --brand:#2A5BDA;
  --brand-weak:#EEF3FF;
  --brand-deep:#16357E;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#101828;
  --ink-2:#3B4657;
  --ink-3:#7A869A;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok:#16A34A;
  --warn:#D97706;
  --err:#DC2626;
  --radius-btn:10px;
  --radius-card:16px;
  --radius-banner:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,24,40,.06);
  --shadow-2:0 10px 28px rgba(16,24,40,.10);
  --shadow-3:0 6px 20px rgba(16,24,40,.10);
  --ease:200ms ease;
  --section-gap:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--section-gap) 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.section-head p{color:var(--ink-3);font-size:15px;margin-top:8px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:rgba(245,247,251,.86);backdrop-filter:blur(6px);}
.nav-card{
  display:flex;align-items:center;gap:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px 18px;
  min-height:68px;
  box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled .nav-card{box-shadow:var(--shadow-3);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:0;height:0;
  transform:translate(-45%,-50%);
  border-left:10px solid #fff;border-top:6px solid transparent;border-bottom:6px solid transparent;
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0;flex-wrap:nowrap;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:10px;
  font-size:13px;font-weight:500;color:var(--ink-2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-link i{font-size:12px;color:var(--ink-3);transition:color var(--ease);}
.nav-link:hover{background:var(--brand-weak);color:var(--brand);}
.nav-link:hover i{color:var(--brand);}
.nav-link.is-active{background:var(--brand-weak);color:var(--brand);border-color:var(--brand);font-weight:600;}
.nav-link.is-active i{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-drawer{
  display:none;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  margin-top:10px;padding:10px;box-shadow:var(--shadow-3);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 14px;border-radius:12px;
  font-size:14px;font-weight:500;color:var(--ink-2);position:relative;
}
.mobile-drawer a i{width:18px;color:var(--ink-3);font-size:13px;}
.mobile-drawer a:hover{background:var(--brand-weak);color:var(--brand);}
.mobile-drawer a.is-active{background:var(--brand-weak);color:var(--brand);font-weight:600;}
.mobile-drawer a.is-active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--brand);
}
.mobile-drawer a.is-active i{color:var(--brand);}
.drawer-cta{padding:10px 4px 4px;border-top:1px solid var(--line);margin-top:8px;}
.drawer-cta .btn{width:100%;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#2450C4;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-weak);border-color:var(--brand);color:var(--brand);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-weak);}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
  transition:all var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-weak);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  height:23px;padding:0 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-cat{background:var(--brand-weak);color:var(--brand);}
.badge-hot{background:var(--accent-soft);color:var(--accent);}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding-top:26px;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb i{font-size:10px;}
.breadcrumb .current{color:var(--ink-2);font-weight:600;}

/* ---------- banner ---------- */
.banner{
  position:relative;overflow:hidden;
  border-radius:var(--radius-banner);
  border:1px solid var(--line);
  background-color:var(--surface);
  background-image:linear-gradient(100deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.9) 45%,rgba(238,243,255,.78) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
  padding:48px 48px 40px;
  margin-top:22px;
  box-shadow:var(--shadow-1);
}
.banner-inner{max-width:720px;}
.banner h1{margin-bottom:14px;}
.banner h1 span{color:var(--brand-deep);}
.banner .banner-sub{font-size:16px;color:var(--ink-2);line-height:1.8;max-width:640px;}
.banner-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:12px 20px;min-width:132px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.stat-num{font-size:22px;font-weight:700;color:var(--brand);line-height:1.3;}
.stat-label{font-size:12px;color:var(--ink-3);margin-top:2px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- card grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6DEF2;}
.media-thumb{
  position:relative;aspect-ratio:16/9;background:var(--bg);overflow:hidden;
}
.media-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .media-thumb img{transform:scale(1.03);}
.media-thumb img.is-broken{display:none;}
.thumb-fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#C3CBDC;font-size:26px;
}
.thumb-badge{position:absolute;left:12px;top:12px;z-index:2;}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;}
.card-desc{font-size:14px;line-height:1.7;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.meta-time{font-size:12.5px;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px;}
.score{font-size:14px;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:5px;}

/* ---------- compact rows ---------- */
.rows{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.row-card{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:14px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6DEF2;}
.row-thumb{position:relative;width:180px;flex:0 0 180px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--bg);}
.row-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.row-thumb img.is-broken{display:none;}
.row-main{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1;}
.row-main h3{font-size:17px;}
.row-main p{font-size:13.5px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.row-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;}

/* ---------- tag board ---------- */
.tag-board{
  background:linear-gradient(90deg,var(--brand-weak) 0%,#FFFFFF 78%);
  border:1px solid var(--line);border-radius:var(--radius-banner);
  padding:34px 36px;
}
.tag-board h2{font-size:24px;margin-bottom:8px;}
.tag-board .board-sub{font-size:14.5px;color:var(--ink-3);margin-bottom:22px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-item{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:9px 16px;font-size:13.5px;color:var(--ink-2);font-weight:500;
  transition:all var(--ease);min-height:44px;
}
.tag-item span{color:var(--ink-3);font-size:12px;}
.tag-item:hover{border-color:var(--brand);color:var(--brand);background:#fff;transform:translateY(-4px);box-shadow:var(--shadow-2);}

/* ---------- CTA ---------- */
.cta-card{
  background:linear-gradient(90deg,var(--brand-weak) 0%,#FFFFFF 72%);
  border:1px solid var(--line);
  border-radius:var(--radius-banner);
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-text{max-width:520px;}
.cta-text h2{font-size:26px;margin-bottom:10px;}
.cta-text p{font-size:15px;color:var(--ink-2);}
.cta-form{display:flex;gap:12px;align-items:flex-start;flex-shrink:0;flex-wrap:wrap;}
.field{display:flex;flex-direction:column;gap:6px;}
.field input{
  width:280px;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--ink);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:#A7B0C0;}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,91,218,.14);}
.field input.is-error{border-color:var(--err);}
.form-msg{font-size:13px;min-height:18px;line-height:1.5;}
.form-msg.err{color:var(--err);}
.form-msg.ok{color:var(--ok);}
.form-msg.ok-banner{
  background:#ECFDF3;border:1px solid #BBF7D0;color:var(--ok);
  border-radius:10px;padding:10px 14px;font-size:13.5px;margin-top:14px;width:100%;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.acc-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);position:relative;
}
.acc-item:hover{border-color:#D6DEF2;}
.acc-item.is-open{box-shadow:var(--shadow-1);}
.acc-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
  min-height:44px;
}
.acc-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-weak);color:var(--brand);font-size:12px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.acc-item.is-open .acc-icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.acc-panel{
  max-height:0;overflow:hidden;
  transition:max-height 240ms ease;
}
.acc-panel-inner{padding:0 22px 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);}
.acc-item.is-open .acc-panel{max-height:340px;}

/* ---------- states ---------- */
.skeleton{
  background:linear-gradient(90deg,#EDF0F6 25%,#F7F9FC 37%,#EDF0F6 63%);
  background-size:400% 100%;
  animation:shimmer 1.4s infinite linear;
  border-radius:var(--radius-card);
}
@keyframes shimmer{0%{background-position:100% 50%;}100%{background-position:0 50%;}}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:44px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:#C3CBDC;}
.empty-state p{font-size:14px;color:var(--ink-3);margin:12px 0 18px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--section-gap);
  background:#FBFCFE;
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--ink-3);line-height:1.8;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.footer-links li,.footer-info li{font-size:14px;color:var(--ink-3);line-height:1.7;}
.footer-links li + li,.footer-info li + li{margin-top:10px;}
.footer-links a{color:var(--ink-3);display:inline-flex;min-height:24px;align-items:center;}
.footer-links a:hover{color:var(--brand);}
.footer-info li{display:flex;gap:10px;align-items:flex-start;}
.footer-info i{color:var(--brand);font-size:13px;margin-top:5px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.copy-right{text-align:right;}
.copy-right a{color:var(--ink-3);}
.copy-right a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--section-gap:64px;}
  .container{padding:0 24px;}
  .nav-links{gap:0;}
  .nav-link{padding:8px 10px;font-size:12.5px;}
  .nav-link i{display:none;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .rows{grid-template-columns:1fr;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  :root{--section-gap:52px;}
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-card{justify-content:space-between;padding:10px 14px;}
  .banner{padding:34px 24px 30px;background-position:center;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:22px;}
  .field input{width:100%;}
  .cta-form{width:100%;}
  .cta-form .btn{width:100%;}
  .field{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .copy-right{text-align:left;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .grid-3{grid-template-columns:1fr;}
  .card-body h3{font-size:17px;}
  .row-card{flex-direction:column;}
  .row-thumb{width:100%;flex:1 1 auto;}
  .banner-stats{gap:10px;}
  .stat-card{flex:1 1 calc(50% - 10px);min-width:0;padding:12px 14px;}
  .tag-board{padding:26px 20px;}
  .cta-card{padding:28px 20px;}
  .btn{width:100%;}
  .link-more{width:auto;}
  .acc-head{padding:18px 16px;font-size:15px;}
  .acc-panel-inner{padding:0 16px 18px 16px;font-size:14.5px;}
}

/* roulang page: article */
:root{
  --brand:#2A5BDA;
  --brand-weak:#EEF3FF;
  --brand-deep:#16357E;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#101828;
  --ink-2:#3B4657;
  --ink-3:#7A869A;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok:#16A34A;
  --warn:#D97706;
  --err:#DC2626;
  --r-btn:10px;
  --r-card:16px;
  --r-banner:20px;
  --shadow-1:0 1px 2px rgba(16,24,40,.06);
  --shadow-2:0 10px 28px rgba(16,24,40,.10);
  --shadow-3:0 6px 20px rgba(16,24,40,.10);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 / 徽章 / 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#2450c4;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);background:#1f47b0}
.btn-outline{background:transparent;color:var(--brand);border-color:#C7D6F8}
.btn-outline:hover{background:var(--brand-weak);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-weak);color:var(--brand);border-color:#C7D6F8}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-lg{min-height:50px;padding:0 26px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.badge-cat{background:var(--brand-weak);color:var(--brand)}
.badge-hot{background:var(--accent-soft);color:#D9702A}
.badge-quiet{background:#F1F4F9;color:var(--ink-3)}

.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 16px;
  font-size:13px;
  color:var(--ink-3);
  line-height:1.5;
}
.meta-row i{color:var(--ink-3);font-size:12px}

.section{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:6px}
.section-head .link-more{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
}
.section-head .link-more:hover{gap:10px;transition:gap .2s ease}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0 10px;
  background:linear-gradient(180deg,rgba(245,247,251,.96),rgba(245,247,251,.72));
  backdrop-filter:saturate(150%) blur(6px);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:70px;
  padding:10px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled .nav-card{box-shadow:var(--shadow-3)}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  flex-shrink:0;
}
.brand-mark{
  width:30px;height:30px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  position:relative;
  flex-shrink:0;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:8px;top:8px;
  width:6px;height:6px;
  background:#fff;
  border-radius:2px;
  box-shadow:8px 0 0 rgba(255,255,255,.75),0 8px 0 rgba(255,255,255,.55),8px 8px 0 rgba(255,255,255,.35);
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:44px;
  padding:0 12px;
  border:1px solid transparent;
  border-radius:12px;
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.nav-link i{color:var(--ink-3);font-size:13px;transition:color .2s ease}
.nav-link:hover{background:var(--brand-weak);color:var(--brand)}
.nav-link:hover i{color:var(--brand)}
.nav-link.is-active{background:var(--brand-weak);color:var(--brand);border-color:#C7D6F8}
.nav-link.is-active i{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--ink);
  cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-weak);color:var(--brand)}
.mobile-drawer{
  display:none;
  margin-top:10px;
  padding:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-3);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:48px;
  padding:0 14px;
  border-left:3px solid transparent;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
}
.mobile-drawer a i{color:var(--ink-3);width:18px;text-align:center}
.mobile-drawer a:hover{background:var(--brand-weak);color:var(--brand)}
.mobile-drawer a:hover i{color:var(--brand)}
.mobile-drawer a.is-active{background:var(--brand-weak);color:var(--brand);border-left-color:var(--brand)}
.mobile-drawer a.is-active i{color:var(--brand)}
.drawer-cta{padding:10px 6px 6px}
.drawer-cta .btn{width:100%}

/* ============ 文章头部 ============ */
.article-head{
  padding:26px 0 8px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:20px;
}
.crumb a{color:var(--ink-3);display:inline-flex;align-items:center;min-height:32px}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CBDA}
.crumb .now{color:var(--ink-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-hero{
  position:relative;
  padding:40px 44px;
  background:
    linear-gradient(100deg,rgba(238,243,255,.92) 0%,rgba(255,255,255,.96) 62%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border:1px solid var(--line);
  border-radius:var(--r-banner);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.article-hero h1{
  font-size:clamp(24px,3.2vw,38px);
  line-height:1.3;
  color:var(--ink);
  max-width:880px;
  margin-bottom:16px;
}
.article-hero .meta-row{margin-top:4px}
.article-hero .hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:20px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:#F1F4F9;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:13px;
  font-weight:600;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--brand-weak);color:var(--brand);border-color:#C7D6F8}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}

/* ============ 正文 ============ */
.reading-wrap{
  padding:56px 0 24px;
}
.article-shell{
  max-width:820px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-banner);
  box-shadow:var(--shadow-1);
  padding:44px 48px;
}
.article-body{
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(20px,2.4vw,25px);
  line-height:1.45;
  margin:32px 0 16px;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  bottom:.2em;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.article-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  margin:26px 0 12px;
}
.article-body p{margin:0 0 1em}
.article-body blockquote{
  margin:24px 0;
  padding:16px 22px;
  background:var(--brand-weak);
  border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:0 0 1.1em}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.65em;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--brand);
}
.article-body ol{counter-reset:olnum;margin:0 0 1.1em}
.article-body ol li{
  counter-increment:olnum;
  position:relative;
  padding-left:36px;
  margin-bottom:12px;
}
.article-body ol li::before{
  content:counter(olnum);
  position:absolute;
  left:0;
  top:.28em;
  width:24px;
  height:24px;
  border-radius:8px;
  background:var(--brand-weak);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  line-height:24px;
  text-align:center;
}
.article-body img{
  border-radius:12px;
  margin:22px auto;
  box-shadow:var(--shadow-1);
}
.article-body figure{margin:24px 0}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--ink-3);
  margin-top:10px;
}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{text-decoration-thickness:2px}
.article-body strong{color:var(--ink);font-weight:600}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:32px 0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:15px;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body th{background:var(--brand-weak);color:var(--ink);font-weight:600}
.article-body code{
  background:#F1F4F9;
  border-radius:6px;
  padding:2px 6px;
  font-size:14px;
  color:var(--ink);
}
.article-note{
  display:flex;
  gap:14px;
  align-items:flex-start;
  margin-top:32px;
  padding:18px 20px;
  background:var(--brand-weak);
  border-radius:var(--r-card);
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}
.article-note i{color:var(--brand);margin-top:3px}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 20px;
}
.empty-state .empty-icon{
  width:70px;height:70px;
  margin:0 auto 18px;
  border-radius:20px;
  background:#F1F4F9;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);
  font-size:26px;
}
.empty-state h3{margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--ink-3);margin-bottom:20px}

/* ============ 文末操作条 ============ */
.action-bar{
  max-width:820px;
  margin:28px auto 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.action-bar .acts{display:flex;flex-wrap:wrap;gap:10px}
.share-box{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--ink-3);
}
.share-box a{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:#F1F4F9;
  color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.share-box a:hover{background:var(--brand-weak);color:var(--brand);transform:translateY(-2px)}

/* ============ 相关推荐 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9E1F0}
.card-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:#EEF1F6;
  overflow:hidden;
}
.card-thumb img{width:100%;height:100%;object-fit:cover}
.card-thumb.is-portrait{aspect-ratio:2/3}
.card-thumb .thumb-fallback{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#B6BFCF;
  font-size:22px;
}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body .card-desc{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12px;
  color:var(--ink-3);
}
.card:hover .card-body h3{color:var(--brand)}

/* ============ 频道入口 ============ */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.channel-card{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);background:var(--brand-weak)}
.channel-card .ch-icon{
  width:46px;height:46px;
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--brand-weak);
  color:var(--brand);
  font-size:18px;
}
.channel-card:hover .ch-icon{background:#fff}
.channel-card h3{font-size:15px;font-weight:600}
.channel-card p{font-size:13px;color:var(--ink-3);margin-top:2px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  background:#FBFCFE;
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;line-height:1.8;color:var(--ink-3);max-width:300px}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
  font-size:14px;
  color:var(--ink-3);
  display:inline-flex;
  align-items:center;
  min-height:32px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--brand);padding-left:4px}
.footer-info li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--ink-3);
  margin-bottom:12px;
  line-height:1.7;
}
.footer-info i{color:var(--brand);margin-top:4px;font-size:13px}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
}
.footer-bottom a{color:var(--brand)}
.footer-bottom a:hover{text-decoration:underline}

/* ============ 骨架屏 / 状态 ============ */
.skeleton{
  background:#EEF1F6;
  border-radius:var(--r-card);
  position:relative;
  overflow:hidden;
}
.skeleton::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  transform:translateX(-100%);
  animation:sweep 1.4s infinite;
}
@keyframes sweep{to{transform:translateX(100%)}}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions{display:none}
  .nav-card{justify-content:space-between}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .article-hero{padding:28px 24px}
  .article-shell{padding:28px 22px;border-radius:var(--r-card)}
  .reading-wrap{padding:36px 0 16px}
  .action-bar{flex-direction:column;align-items:stretch}
  .action-bar .acts{flex-direction:column}
  .action-bar .acts .btn{width:100%}
  .share-box{justify-content:flex-start}
}
@media (max-width:640px){
  .article-body table,
  .article-body thead,
  .article-body tbody,
  .article-body tr,
  .article-body th,
  .article-body td{display:block;width:100%}
  .article-body thead{display:none}
  .article-body tr{
    border:1px solid var(--line);
    border-radius:12px;
    padding:10px 14px;
    margin-bottom:12px;
    background:#FBFCFE;
  }
  .article-body td{border:0;padding:6px 0}
  .article-body td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    color:var(--ink-3);
    margin-bottom:2px;
  }
}
@media (max-width:520px){
  .container{padding:0 16px}
  .related-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{justify-content:flex-start}
  .section{padding:40px 0}
  .brand-text{font-size:16px}
  .crumb .now{max-width:180px}
}

/* roulang page: category2 */
/* ================= 设计变量 ================= */
:root{
  --brand:#2A5BDA;
  --brand-dark:#2249B5;
  --brand-weak:#EEF3FF;
  --brand-deep:#16357E;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#101828;
  --ink-2:#3B4657;
  --ink-3:#7A869A;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok:#16A34A;
  --warn:#D97706;
  --err:#DC2626;
  --r-btn:10px;
  --r-card:16px;
  --r-banner:20px;
  --sh-1:0 1px 2px rgba(16,24,40,.06);
  --sh-2:0 10px 28px rgba(16,24,40,.10);
  --sh-3:0 6px 20px rgba(16,24,40,.10);
  --ease:200ms ease;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;background:#EDF1F7;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:700;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
h3{font-size:clamp(17px,2vw,19px);line-height:1.5;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ================= 容器与板块 ================= */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding-top:80px;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-3);line-height:1.8;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-weak);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}

/* ================= 导航 ================= */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:var(--bg);transition:box-shadow var(--ease);}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,24,40,.06);}
.nav-card{
  display:flex;align-items:center;gap:18px;
  min-height:68px;padding:12px 16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-3);}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{position:relative;width:28px;height:28px;border-radius:9px;background:var(--brand);overflow:hidden;}
.brand-mark::before{content:"";position:absolute;left:6px;top:6px;width:7px;height:7px;border-radius:2px;background:#fff;}
.brand-mark::after{content:"";position:absolute;right:5px;bottom:5px;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:12px;border:1px solid transparent;
  font-size:13px;color:var(--ink-2);white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-link i{font-size:12px;color:var(--brand);}
.nav-link:hover{background:var(--brand-weak);color:var(--brand);}
.nav-link.is-active{background:var(--brand-weak);color:var(--brand);border-color:var(--brand);}
.nav-link.is-active i{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand);cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--brand-weak);border-color:var(--brand);}
.mobile-drawer{
  display:none;margin-top:10px;padding:10px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--sh-3);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;
  border-radius:12px;font-size:15px;color:var(--ink-2);
  transition:background var(--ease),color var(--ease);
}
.mobile-drawer a i{width:18px;font-size:14px;color:var(--brand);}
.mobile-drawer a:hover{background:var(--brand-weak);color:var(--brand);}
.mobile-drawer a.is-active{background:var(--brand-weak);color:var(--brand);box-shadow:inset 3px 0 0 var(--brand);}
.drawer-cta{padding:8px 4px 4px;}
.drawer-cta .btn{width:100%;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(42,91,218,.22);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-weak);border-color:var(--brand);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 14px;font-size:13px;border-radius:10px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ================= 徽章 ================= */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-weak);color:var(--brand);}
.badge-accent{background:var(--accent-soft);color:var(--accent);}

/* ================= 分类 Banner ================= */
.banner-wrap{padding-top:34px;}
.banner-card{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-banner);
  background:linear-gradient(90deg,#EEF3FF 0%,#FFFFFF 68%);
}
.banner-bg{
  position:absolute;right:0;top:0;width:48%;height:100%;
  object-fit:cover;opacity:.30;
}
.banner-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(238,243,255,.97) 0%,rgba(238,243,255,.82) 42%,rgba(255,255,255,.42) 100%);
}
.banner-inner{position:relative;z-index:2;max-width:760px;padding:48px 44px;}
.banner-inner h1{margin-bottom:16px;}
.banner-inner h1 .hl{color:var(--brand-deep);}
.banner-lead{font-size:16px;color:var(--ink-2);max-width:640px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:40px;
  margin-top:28px;padding-top:22px;border-top:1px solid var(--line);
}
.stat-num{font-size:24px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3;}
.stat-label{font-size:13px;color:var(--ink-3);}

/* ================= 交替图文模块 ================= */
.alt-row{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
  padding:52px 0;border-bottom:1px solid var(--line);
}
.alt-row:last-child{border-bottom:0;padding-bottom:0;}
.alt-row.is-reverse .alt-media{order:2;}
.alt-media{position:relative;}
.alt-media .media-main{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.alt-media:hover .media-main{transform:translateY(-4px);box-shadow:var(--sh-2);}
.alt-media .media-sub{
  position:absolute;right:-14px;bottom:-22px;width:40%;aspect-ratio:4/3;
  object-fit:cover;border-radius:14px;border:4px solid var(--surface);
  box-shadow:var(--sh-2);
}
.alt-media .media-chip{
  position:absolute;left:16px;top:16px;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.94);color:var(--brand);
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600;
}
.alt-body h2{margin-bottom:14px;}
.alt-body .alt-lead{font-size:15px;color:var(--ink-2);margin-bottom:20px;}
.arrow-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:13px 0;border-top:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.arrow-list li:last-child{border-bottom:1px solid var(--line);}
.arrow-list li::before{
  content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--brand);margin-top:6px;flex-shrink:0;
}
.link-more{
  display:inline-flex;align-items:center;gap:7px;margin-top:18px;
  font-size:14px;font-weight:600;color:var(--brand);
  transition:gap var(--ease),color var(--ease);
}
.link-more:hover{gap:12px;color:var(--brand-dark);}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--sh-1);}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 20px;background:none;border:0;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;
  transition:box-shadow var(--ease),color var(--ease);
}
.faq-item.is-open .faq-question{box-shadow:inset 3px 0 0 var(--brand);}
.faq-question:hover{color:var(--brand);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-weak);color:var(--brand);font-size:12px;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-answer{
  max-height:0;overflow:hidden;padding:0 20px;
  transition:max-height 280ms ease,padding var(--ease);
}
.faq-item.is-open .faq-answer{padding-bottom:18px;}
.faq-answer p{font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ================= 页尾 CTA ================= */
.cta-band{
  margin-top:80px;padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  background:linear-gradient(90deg,#EEF3FF 0%,#FFFFFF 78%);
  border:1px solid var(--line);border-radius:var(--r-banner);
}
.cta-band h2{margin-bottom:10px;}
.cta-band .cta-sub{font-size:15px;color:var(--ink-3);}
.cta-form{display:flex;gap:12px;}
.input{
  flex:1;min-width:0;min-height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);font-size:15px;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.input::placeholder{color:#9AA4B5;}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(42,91,218,.14);}
.input.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(220,38,38,.12);}
.form-hint{display:none;margin-top:10px;font-size:13px;color:var(--ok);}
.form-hint.is-visible{display:block;}
.form-hint.is-error{color:var(--err);}
.form-success{
  display:none;margin-top:12px;padding:10px 14px;border-radius:10px;
  background:#EAF9F0;color:#14803C;font-size:13px;
}
.form-success.is-visible{display:block;}

/* ================= 页脚 ================= */
.site-footer{
  margin-top:96px;padding:56px 0 24px;
  background:#FBFCFE;border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:17px;}
.footer-desc{font-size:14px;color:var(--ink-3);line-height:1.8;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:var(--ink-2);transition:color var(--ease);}
.footer-links a:hover{color:var(--brand);}
.footer-info li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);margin-bottom:12px;}
.footer-info i{color:var(--brand);font-size:13px;margin-top:5px;flex-shrink:0;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.copy-right{text-align:right;font-variant-numeric:tabular-nums;}
.copy-right a{color:var(--ink-3);transition:color var(--ease);}
.copy-right a:hover{color:var(--brand);}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding-top:56px;}
  .nav-links{gap:2px;}
  .nav-link{padding:8px 10px;font-size:12px;}
  .banner-inner{padding:40px 32px;}
  .alt-row{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .banner-bg{width:100%;opacity:.16;}
  .banner-inner{padding:32px 24px;}
  .banner-stats{gap:26px;}
  .alt-row{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .alt-row.is-reverse .alt-media{order:0;}
  .alt-media .media-sub{right:0;bottom:-16px;border-width:3px;}
  .cta-band{padding:32px 24px;margin-top:56px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .site-footer{margin-top:64px;padding-top:44px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .copy-right{text-align:left;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding-top:40px;}
  .banner-inner{padding:26px 18px;}
  .banner-actions .btn{width:100%;}
  .banner-stats{gap:20px;}
  .stat-num{font-size:20px;}
  .alt-media .media-sub{display:none;}
  .alt-media .media-main{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-question{padding:16px;font-size:15px;}
  .faq-answer{padding:0 16px;}
}

/* roulang page: category3 */
:root{
  --brand:#2A5BDA;
  --brand-hover:#2450C4;
  --brand-weak:#EEF3FF;
  --brand-deep:#16357E;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#101828;
  --ink-2:#3B4657;
  --ink-3:#7A869A;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok:#16A34A;
  --ok-soft:#EAF7EF;
  --warn:#D97706;
  --err:#DC2626;
  --r-btn:10px;
  --r-input:10px;
  --r-card:16px;
  --r-banner:20px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.06);
  --sh-2:0 10px 28px rgba(16,24,40,.10);
  --sh-3:0 6px 20px rgba(16,24,40,.10);
  --ease:200ms ease;
  --sec-gap:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-hover);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0 0;
  transition:padding var(--ease);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px 18px;
  min-height:68px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh-3);}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:700;
  font-size:17px;
  letter-spacing:0;
}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:7px;
  top:7px;
  width:5px;
  height:12px;
  border-radius:2px;
  background:#fff;
  box-shadow:7px 0 0 -1px #fff,7px 6px 0 -1px #fff;
  opacity:.92;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:12px;
  font-size:13px;
  color:var(--ink-2);
  border:1px solid transparent;
  min-height:44px;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-link i{font-size:13px;color:var(--ink-3);transition:color var(--ease);}
.nav-link:hover{background:var(--brand-weak);color:var(--brand);}
.nav-link:hover i{color:var(--brand);}
.nav-link.is-active{
  background:var(--brand-weak);
  color:var(--brand);
  border-color:rgba(42,91,218,.35);
  font-weight:600;
}
.nav-link.is-active i{color:var(--brand);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:17px;
  align-items:center;
  justify-content:center;
}
.mobile-drawer{
  display:none;
  margin-top:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px 12px 14px;
  box-shadow:var(--sh-3);
}
.mobile-drawer a{
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  padding:0 14px;
  color:var(--ink-2);
  font-size:14px;
  border-radius:12px;
  border-left:3px solid transparent;
}
.mobile-drawer a i{color:var(--ink-3);}
.mobile-drawer a:hover{background:var(--brand-weak);color:var(--brand);}
.mobile-drawer a.is-active{
  color:var(--brand);
  font-weight:600;
  border-left-color:var(--brand);
  background:var(--brand-weak);
}
.mobile-drawer a.is-active i{color:var(--brand);}
.drawer-cta{padding:10px 6px 0;}
.drawer-cta .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:600;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:rgba(42,91,218,.4);}
.btn-outline:hover{background:var(--brand-weak);color:var(--brand-deep);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-weak);color:var(--brand);border-color:rgba(42,91,218,.35);}
.btn-sm{min-height:40px;padding:0 15px;font-size:13px;}
.btn-lg{min-height:50px;padding:0 26px;font-size:15px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(3px);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-gap) 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}
.section-head h2{
  font-size:clamp(22px,2.3vw,30px);
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
}
.section-head p{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-3);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-weak);
  border-radius:var(--r-chip);
  padding:5px 12px;
  margin-bottom:14px;
}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:5px;
  height:23px;
  padding:0 10px;
  border-radius:var(--r-chip);
  font-size:12px;
  font-weight:600;
  background:var(--brand-weak);
  color:var(--brand);
  white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:#C2570F;}
.badge-ok{background:var(--ok-soft);color:var(--ok);}
.badge-mute{background:#F1F3F8;color:var(--ink-3);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:38px;
  padding:0 15px;
  border-radius:var(--r-chip);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:13px;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.chip:hover{background:var(--brand-weak);color:var(--brand);border-color:rgba(42,91,218,.35);}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- Banner ---------- */
.page-banner{padding-top:34px;}
.banner-card{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
  background:linear-gradient(90deg,var(--brand-weak) 0%,#FFFFFF 62%);
  border:1px solid var(--line);
  border-radius:var(--r-banner);
  padding:40px;
}
.banner-card h1{
  font-size:clamp(27px,3.4vw,40px);
  line-height:1.28;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
}
.banner-card .lead{
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:560px;
}
.banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.banner-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:16/10;
  background:#E9EDF5;
  border:1px solid var(--line);
}
.banner-media img{width:100%;height:100%;object-fit:cover;}
.banner-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(16,24,40,.22) 0%,rgba(16,24,40,0) 58%);
}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px 22px;
  margin-top:-26px;
  position:relative;
  width:calc(100% - 64px);
  margin-left:32px;
}
.stat-item b{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.stat-item span{font-size:13px;color:var(--ink-3);}
.stat-item + .stat-item{border-left:1px solid var(--line);padding-left:20px;}

/* ---------- 时间线 ---------- */
.timeline-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:32px 32px 8px;
}
.timeline{position:relative;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:10px;
  bottom:26px;
  width:2px;
  background:var(--line);
}
.tl-item{
  position:relative;
  padding:0 0 30px 68px;
}
.tl-node{
  position:absolute;
  left:0;
  top:0;
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--brand-weak);
  border:2px solid var(--surface);
  box-shadow:0 0 0 1px var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.tl-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:6px;
}
.tl-head h3{
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.tl-time{
  font-size:12.5px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.tl-desc{
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:760px;
}
.tl-foot{
  margin-top:10px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.tl-foot .link-more{font-size:13.5px;}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(42,91,218,.28);}
.step-num{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.step-card p{font-size:14px;line-height:1.8;color:var(--ink-2);}

/* ---------- 排期清单 ---------- */
.schedule{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.schedule-row{
  display:grid;
  grid-template-columns:112px 1fr 190px 132px;
  gap:18px;
  align-items:center;
  padding:18px 26px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease),transform var(--ease);
}
.schedule-row:last-child{border-bottom:none;}
.schedule-row:hover{background:var(--brand-weak);}
.schedule-row:hover .schedule-title{color:var(--brand);}
.schedule-day{
  font-size:13px;
  font-weight:700;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
}
.schedule-title{
  font-size:15.5px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--ease);
}
.schedule-sub{font-size:13px;color:var(--ink-3);margin-top:3px;}
.schedule-tag{font-size:13px;color:var(--ink-2);}
.schedule-link{justify-self:end;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- CTA 订阅 ---------- */
.cta-band{
  background:linear-gradient(90deg,var(--brand-weak) 0%,#FFFFFF 70%);
  border:1px solid var(--line);
  border-radius:var(--r-banner);
  padding:44px 48px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;color:var(--ink);}
.cta-band .cta-sub{margin-top:10px;font-size:14.5px;color:var(--ink-2);}
.subscribe-form{display:flex;gap:12px;align-items:flex-start;}
.field{flex:1 1 auto;min-width:0;}
.field input{
  width:100%;
  height:50px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--surface);
  font-size:14.5px;
  color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:#9AA4B6;}
.field input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(42,91,218,.16);
}
.field.is-error input{border-color:var(--err);box-shadow:0 0 0 3px rgba(220,38,38,.12);}
.field-msg{font-size:13px;line-height:1.5;margin-top:7px;color:var(--err);min-height:18px;}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:6px;}
.form-success{
  display:none;
  margin-top:14px;
  background:var(--ok-soft);
  color:#10743A;
  border:1px solid rgba(22,163,74,.28);
  border-radius:10px;
  padding:11px 14px;
  font-size:13.5px;
}
.form-success.is-visible{display:block;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.accordion{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  position:relative;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--brand);
  opacity:0;
  transition:opacity var(--ease);
}
.accordion.is-open{border-color:rgba(42,91,218,.3);box-shadow:var(--sh-2);}
.accordion.is-open::before{opacity:1;}
.accordion-head{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  background:transparent;
  border:0;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.accordion-head i{
  color:var(--brand);
  font-size:14px;
  transition:transform var(--ease);
  flex:0 0 auto;
}
.accordion.is-open .accordion-head i{transform:rotate(180deg);}
.accordion-body{
  display:none;
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.accordion.is-open .accordion-body{display:block;}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--accent-soft);
  border:1px solid rgba(255,138,61,.3);
  border-radius:var(--r-card);
  padding:20px 24px;
}
.notice i{color:#C2570F;font-size:18px;margin-top:2px;}
.notice h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.notice p{font-size:14px;line-height:1.8;color:var(--ink-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec-gap);
  background:#FBFCFE;
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  color:var(--ink);
  font-size:17px;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;line-height:1.8;color:var(--ink-3);max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:14px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{font-size:14px;color:var(--ink-2);}
.footer-links a:hover{color:var(--brand);}
.footer-info li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
}
.footer-info li + li{margin-top:10px;}
.footer-info i{color:var(--brand);font-size:13px;margin-top:5px;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--ink-3);
}
.copy-right{text-align:right;}
.copy-right a{color:var(--ink-3);text-decoration:underline;text-underline-offset:3px;}
.copy-right a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  :root{--sec-gap:64px;}
  .banner-card{grid-template-columns:1fr;padding:32px;}
  .stat-strip{width:calc(100% - 48px);margin-left:24px;grid-template-columns:1fr;gap:12px;}
  .stat-item + .stat-item{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:12px;}
  .steps{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 32px;}
  .schedule-row{grid-template-columns:96px 1fr 150px;gap:14px;}
  .schedule-link{grid-column:2 / -1;justify-self:start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .mobile-drawer.is-open{display:block;}
  .banner-card h1{font-size:26px;}
  .timeline-wrap{padding:24px 18px 4px;}
  .tl-item{padding-left:56px;}
  .tl-node{width:34px;height:34px;font-size:13px;}
  .timeline::before{left:16px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left;}
  .copy-right{text-align:left;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  :root{--sec-gap:46px;}
  .banner-card{padding:24px 20px;}
  .stat-strip{width:calc(100% - 32px);margin-left:16px;padding:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .schedule-row{grid-template-columns:1fr;gap:8px;padding:16px 18px;}
  .schedule-link{justify-self:start;}
  .accordion-head{padding:18px 18px;font-size:15px;}
  .accordion-body{padding:0 18px 18px;}
  .btn{width:100%;}
  .nav-toggle{width:44px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --brand:#2A5BDA;
  --brand-weak:#EEF3FF;
  --brand-deep:#16357E;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#101828;
  --ink-2:#3B4657;
  --ink-3:#7A869A;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --ok:#16A34A;
  --warn:#D97706;
  --err:#DC2626;
  --r-btn:10px;
  --r-card:16px;
  --r-banner:20px;
  --sh-1:0 1px 2px rgba(16,24,40,.06);
  --sh-2:0 10px 28px rgba(16,24,40,.10);
  --sh-3:0 6px 20px rgba(16,24,40,.10);
  --t:200ms ease;
  --sp-section:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0;
  background:var(--bg);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled .nav-card{
  box-shadow:var(--sh-3);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:68px;
  padding:0 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:26px;
  height:26px;
  border-radius:7px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:6px 12px 6px 6px;
  border-radius:2px;
  background:#fff;
  opacity:.9;
}
.brand-mark::before{
  content:"";
  position:absolute;
  right:6px;
  bottom:6px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:#fff;
  opacity:.65;
}
.brand-text{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:12px;
  font-size:13px;
  line-height:1.4;
  color:var(--ink-2);
  border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.nav-link i{font-size:12px;color:var(--ink-3);transition:color var(--t);}
.nav-link:hover{background:var(--brand-weak);color:var(--brand);}
.nav-link:hover i{color:var(--brand);}
.nav-link.is-active{
  background:var(--brand-weak);
  color:var(--brand);
  border-color:var(--brand);
  font-weight:600;
}
.nav-link.is-active i{color:var(--brand);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:8px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--brand-weak);border-color:var(--brand);color:var(--brand);}
.mobile-drawer{display:none;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-sm{min-height:38px;padding:0 14px;font-size:13px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#2450c6;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-weak);transform:translateY(-1px);}
.btn-ghost{background:var(--surface);color:var(--ink-2);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-weak);color:var(--brand);border-color:var(--brand);}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
  transition:gap var(--t),color var(--t);
}
.link-more:hover{gap:10px;color:var(--brand-deep);}
/* ---------- 标签/徽章 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--ink-2);
  background:var(--surface);
  border:1px solid var(--line);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  background:var(--brand-weak);
  color:var(--brand);
  white-space:nowrap;
}
.badge-hot{background:var(--accent-soft);color:var(--accent);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
/* ---------- 区块 ---------- */
.section{padding:var(--sp-section) 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
}
.section-head p{
  margin-top:8px;
  font-size:15px;
  color:var(--ink-3);
  max-width:640px;
}
/* ---------- Banner ---------- */
.banner{
  margin-top:28px;
  border-radius:var(--r-banner);
  border:1px solid var(--line);
  background:linear-gradient(90deg,var(--brand-weak),#fff 62%);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.banner-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
  padding:44px 40px;
}
.banner-copy .badge{margin-bottom:16px;}
.banner-copy h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.25;
  font-weight:700;
  color:var(--ink);
}
.banner-copy p{
  margin-top:14px;
  font-size:16px;
  color:var(--ink-2);
  max-width:520px;
}
.banner-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:26px;
}
.stat{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 16px;
  box-shadow:var(--sh-1);
}
.stat b{
  display:block;
  font-size:20px;
  font-weight:700;
  color:var(--brand-deep);
  line-height:1.3;
}
.stat span{font-size:12.5px;color:var(--ink-3);}
.banner-media{position:relative;}
.banner-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:16px;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  background:#eef1f6;
}
.banner-media figcaption{
  margin-top:10px;
  font-size:12.5px;
  color:var(--ink-3);
  text-align:center;
}
.tag-floats{
  position:absolute;
  left:14px;
  bottom:52px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  max-width:80%;
}
.tag-floats .badge{background:rgba(255,255,255,.94);box-shadow:var(--sh-1);color:var(--brand);}
/* ---------- CTA 订阅条 ---------- */
.cta-panel{
  margin-top:32px;
  border-radius:var(--r-banner);
  border:1px solid var(--line);
  background:linear-gradient(90deg,var(--brand-weak),#fff 70%);
  padding:40px 44px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:center;
  box-shadow:var(--sh-1);
}
.cta-panel h2{
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
}
.cta-panel p{margin-top:8px;font-size:14.5px;color:var(--ink-3);}
.subscribe-form{display:flex;gap:12px;align-items:center;}
.subscribe-form input{
  flex:1;
  min-height:46px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--surface);
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t);
}
.subscribe-form input::placeholder{color:#9aa4b6;}
.subscribe-form input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(42,91,218,.16);
}
.subscribe-form.is-error input{border-color:var(--err);}
.form-hint{
  margin-top:10px;
  font-size:13px;
  color:var(--err);
  display:none;
}
.form-hint.is-visible{display:block;}
.form-success{
  margin-top:12px;
  padding:10px 14px;
  border-radius:10px;
  background:#EAF7EE;
  color:var(--ok);
  font-size:13.5px;
  display:none;
}
.form-success.is-visible{display:block;}
/* ---------- 对比清单 ---------- */
.diff-grid{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.diff-head,.diff-row{
  display:grid;
  grid-template-columns:150px repeat(3,minmax(0,1fr));
  gap:0;
}
.diff-head{
  background:var(--brand-weak);
  border-bottom:1px solid var(--line);
}
.diff-head span{
  padding:14px 18px;
  font-size:13.5px;
  font-weight:700;
  color:var(--brand-deep);
}
.diff-head span:first-child{color:var(--ink-3);font-weight:600;}
.diff-row{border-bottom:1px solid var(--line);}
.diff-row:last-child{border-bottom:none;}
.diff-row > span{
  padding:16px 18px;
  font-size:14.5px;
  border-right:1px dashed var(--line);
}
.diff-row > span:last-child{border-right:none;}
.diff-label{
  font-weight:600;
  color:var(--ink);
  background:#fbfcfe;
}
.diff-cell{color:var(--ink-2);}
.diff-cell b{color:var(--brand-deep);font-weight:600;}
/* ---------- 排期清单 ---------- */
.schedule-list{
  display:grid;
  gap:14px;
}
.schedule-item{
  display:grid;
  grid-template-columns:180px 1fr auto;
  gap:20px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.schedule-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#d8e1f6;
}
.schedule-item img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:12px;
  background:#eef1f6;
}
.schedule-main h3{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  margin-bottom:6px;
  transition:color var(--t);
}
.schedule-item:hover .schedule-main h3{color:var(--brand);}
.schedule-main p{font-size:14px;color:var(--ink-3);}
.schedule-meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
  font-size:12.5px;
  color:var(--ink-3);
  white-space:nowrap;
}
/* ---------- 两种节奏对比 ---------- */
.compare-cols{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.compare-col{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.compare-col:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.compare-col h3{
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:10px;
}
.compare-col h3 i{color:var(--brand);font-size:16px;}
.compare-col > p{margin-top:10px;font-size:14.5px;color:var(--ink-3);}
.dot-list{margin-top:18px;}
.dot-list li{
  position:relative;
  padding:11px 0 11px 20px;
  font-size:14.5px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.dot-list li:last-child{border-bottom:none;}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:20px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--brand);
}
.tag-list{margin-top:16px;}
.tag-list li{
  position:relative;
  padding:12px 0 12px 34px;
  font-size:14.5px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.tag-list li:last-child{border-bottom:none;}
.tag-list li i{
  position:absolute;
  left:0;
  top:16px;
  color:var(--brand);
  font-size:13px;
}
/* ---------- FAQ ---------- */
.accordion{display:grid;gap:12px;}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.accordion-item.is-open{border-color:#cdd9f4;box-shadow:var(--sh-2);}
.accordion-head{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:none;
  cursor:pointer;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  position:relative;
  transition:color var(--t);
}
.accordion-head::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  opacity:0;
  transition:opacity var(--t);
}
.accordion-item.is-open .accordion-head::before{opacity:1;}
.accordion-head:hover{color:var(--brand);}
.accordion-head i{
  color:var(--ink-3);
  font-size:14px;
  transition:transform var(--t),color var(--t);
  flex-shrink:0;
}
.accordion-item.is-open .accordion-head i{transform:rotate(180deg);color:var(--brand);}
.accordion-body{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease;
}
.accordion-body p{
  padding:0 22px 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:#fbfcfe;
  border-top:1px solid var(--line);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;color:var(--ink-3);max-width:300px;}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
}
.footer-links li,.footer-info li{padding:6px 0;font-size:14px;}
.footer-links a{color:var(--ink-2);transition:color var(--t);}
.footer-links a:hover{color:var(--brand);}
.footer-info li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--ink-3);
}
.footer-info i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
}
.copy-right a{color:var(--brand);}
.copy-right a:hover{text-decoration:underline;}
/* ---------- 状态 ---------- */
.is-loading{
  background:linear-gradient(90deg,#eef1f6 25%,#f7f9fc 37%,#eef1f6 63%);
  background-size:400% 100%;
  animation:shimmer 1.4s ease infinite;
  color:transparent !important;
  border-radius:10px;
}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}
.empty-state{
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:40px 24px;
  text-align:center;
  color:var(--ink-3);
}
.empty-state i{font-size:26px;color:#c3cbd9;display:block;margin-bottom:12px;}
.empty-state p{font-size:14px;margin-bottom:16px;}
img.is-broken{background:#eef1f6;color:transparent;}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:64px;}
  .container{padding:0 24px;}
  .banner-inner{grid-template-columns:1fr;gap:28px;padding:34px 28px;}
  .banner-media img{aspect-ratio:16/9;}
  .tag-floats{bottom:46px;}
  .banner-stats{grid-template-columns:repeat(3,1fr);}
  .cta-panel{grid-template-columns:1fr;gap:22px;padding:32px 28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .diff-head,.diff-row{grid-template-columns:130px repeat(3,minmax(0,1fr));}
}
@media (max-width:768px){
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .mobile-drawer{
    display:block;
    max-height:0;
    overflow:hidden;
    transition:max-height 280ms ease;
    background:var(--surface);
    border-radius:16px;
    margin-top:12px;
    box-shadow:var(--sh-1);
  }
  .mobile-drawer.is-open{max-height:560px;box-shadow:var(--sh-3);}
  .mobile-drawer a{
    display:flex;
    align-items:center;
    gap:10px;
    height:48px;
    padding:0 18px;
    font-size:14.5px;
    color:var(--ink-2);
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer a i{color:var(--ink-3);width:16px;text-align:center;}
  .mobile-drawer a.is-active{
    color:var(--brand);
    font-weight:600;
    border-left:3px solid var(--brand);
    background:var(--brand-weak);
  }
  .mobile-drawer a.is-active i{color:var(--brand);}
  .drawer-cta{padding:14px 18px 18px;}
  .drawer-cta .btn{width:100%;}
  .diff-head{display:none;}
  .diff-row{
    grid-template-columns:1fr;
    gap:0;
    padding:8px 6px 14px;
    border-bottom:1px solid var(--line);
  }
  .diff-row > span{border-right:none;padding:8px 14px;}
  .diff-label{
    background:transparent;
    font-size:13px;
    color:var(--ink-3);
    font-weight:600;
    padding-bottom:2px;
  }
  .diff-cell{
    font-size:14.5px;
    padding-top:6px;
    border-bottom:1px dashed var(--line);
  }
  .diff-cell:last-child{border-bottom:none;}
  .diff-cell::before{
    content:attr(data-k) "：";
    color:var(--ink-3);
    font-size:12.5px;
    margin-right:4px;
  }
  .schedule-item{
    grid-template-columns:1fr;
    gap:14px;
  }
  .schedule-meta{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    width:100%;
  }
  .compare-cols{grid-template-columns:1fr;}
  .banner-stats{grid-template-columns:1fr;}
  .subscribe-form{flex-direction:column;align-items:stretch;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  :root{--sp-section:44px;}
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .banner-inner{padding:26px 20px;}
  .banner-copy p{font-size:15px;}
  .cta-panel{padding:26px 20px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .nav-toggle{width:44px;}
  .accordion-head{padding:16px 18px;font-size:15px;}
  .accordion-body p{padding:0 18px 18px 18px;}
}