/* roulang page: index */
:root{
  --ink:#17121D;
  --ink-2:#221A2B;
  --hair:rgba(255,255,255,.08);
  --rose:#E23A6E;
  --rose-d:#C42B5C;
  --rose-s:#FBE6ED;
  --teal:#12A594;
  --teal-s:#E1F4F1;
  --paper:#FCF8F6;
  --card:#FFFFFF;
  --line:#ECE4DF;
  --t1:#241E2B;
  --t2:#6C6377;
  --t3:#9A93A3;
  --lite:#F5F1F7;
  --lite-2:#B9B1C4;
  --r-xl:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(34,28,41,.06);
  --sh-2:0 14px 32px rgba(34,28,41,.12);
  --glow:0 0 0 1px rgba(255,255,255,.08), 0 12px 30px rgba(226,58,110,.18);
  --sect:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  color:var(--t1);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--rose);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media(min-width:1280px){.container{max-width:1280px;}}
.section{padding:var(--sect) 0;}
.section-tight{padding:64px 0;}
.dark{background:var(--ink);color:var(--lite);}
.dark .muted{color:var(--lite-2);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:18px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;
  padding:0 20px;
  transition:top .3s ease;
}
.nav-pill{
  display:flex;align-items:center;gap:22px;
  width:100%;max-width:1180px;
  padding:10px 12px 10px 22px;
  border-radius:999px;
  background:rgba(23,18,29,.62);
  border:1px solid var(--hair);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(15,10,20,.28);
  transition:background .3s ease, padding .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled .nav-pill{
  background:rgba(19,14,24,.9);
  padding:6px 12px 6px 20px;
  box-shadow:0 16px 40px rgba(10,6,14,.45);
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;letter-spacing:.01em;
  color:var(--lite);white-space:nowrap;
}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(140deg,var(--rose),#8E1F52);
  display:grid;place-items:center;
  font-size:13px;font-weight:700;color:#fff;
  box-shadow:0 4px 12px rgba(226,58,110,.35);
}
.brand-short{display:none;}
.nav-links{
  display:flex;align-items:center;gap:6px;margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--lite-2);
  transition:color .22s ease, background .22s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-links a.active{color:#fff;}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:2px;border-radius:2px;background:var(--teal);
  transform:translateX(-50%);
  transition:width .24s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{width:20px;}
.nav-cta{
  margin-left:8px;
  padding:10px 20px;border-radius:999px;
  font-size:14.5px;font-weight:600;
  background:var(--rose);color:#fff;
  transition:background .22s ease, transform .22s ease, box-shadow .22s ease;
  box-shadow:0 6px 18px rgba(226,58,110,.32);
  white-space:nowrap;
}
.nav-cta:hover{background:var(--rose-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(226,58,110,.42);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  background:rgba(255,255,255,.08);
  align-items:center;justify-content:center;color:var(--lite);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  position:fixed;inset:0;z-index:70;
  background:rgba(18,13,24,.97);
  backdrop-filter:blur(8px);
  padding:96px 28px 40px;
  display:none;
  flex-direction:column;gap:8px;
}
.nav-drawer.open{display:flex;}
.nav-drawer a{
  font-size:18px;line-height:1.9;color:var(--lite);
  padding:12px 4px;border-bottom:1px solid var(--hair);
}
.nav-drawer a.active{color:var(--rose);}
.drawer-close{
  position:absolute;top:26px;right:26px;
  width:44px;height:44px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#fff;font-size:20px;
  display:grid;place-items:center;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:var(--ink);
  overflow:hidden;
  padding:150px 0 26px;
}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(23,18,29,.86) 0%,rgba(23,18,29,.34) 34%,rgba(23,18,29,.82) 78%,var(--ink) 100%),
    linear-gradient(90deg,rgba(20,15,26,.92) 0%,rgba(20,15,26,.55) 52%,rgba(20,15,26,.15) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-content{max-width:660px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:6px 15px;border-radius:999px;
  font-size:13.5px;
  background:rgba(255,255,255,.1);
  border:1px solid var(--hair);
  color:var(--lite);
  backdrop-filter:blur(6px);
}
.tag-pill.t-teal{background:rgba(18,165,148,.18);border-color:rgba(18,165,148,.4);color:#A8EAE0;}
.tag-pill.t-rose{background:rgba(226,58,110,.2);border-color:rgba(226,58,110,.42);color:#FFC6D8;}
.hero h1{
  font-size:44px;line-height:1.25;font-weight:700;
  letter-spacing:.015em;color:#fff;
}
.hero h1 em{font-style:normal;color:#FF7CA4;}
.hero-sub{
  margin-top:20px;
  font-size:18px;line-height:1.75;color:var(--lite-2);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-size:15.5px;font-weight:600;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.btn-primary{background:var(--rose);color:#fff;box-shadow:0 10px 26px rgba(226,58,110,.34);}
.btn-primary:hover{background:var(--rose-d);transform:translateY(-2px);box-shadow:0 16px 34px rgba(226,58,110,.44);}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;
  border:1px solid rgba(255,255,255,.28);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-outline{
  border:1px solid var(--line);color:var(--t1);background:#fff;
}
.btn-outline:hover{border-color:var(--rose);color:var(--rose);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* Hero 底部正在热播条 */
.hero-now{
  position:relative;z-index:2;margin-top:46px;
  padding-top:20px;border-top:1px solid var(--hair);
}
.hero-now-head{
  display:flex;align-items:center;gap:12px;
  font-size:13.5px;color:var(--lite-2);margin-bottom:14px;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--rose);box-shadow:0 0 0 4px rgba(226,58,110,.22);}
.hero-now-rail{
  display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:6px;
  scrollbar-width:none;
}
.hero-now-rail::-webkit-scrollbar{display:none;}
.hero-now-item{
  flex:0 0 168px;scroll-snap-align:start;
  border-radius:var(--r-sm);overflow:hidden;position:relative;
  border:1px solid var(--hair);
  transition:transform .24s ease, box-shadow .24s ease;
}
.hero-now-item img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-now-item:hover{transform:translateY(-3px);box-shadow:var(--glow);}
.hero-now-item span{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 10px 7px;font-size:12.5px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(15,10,20,.9));
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ---------- 数据条 ---------- */
.stats{
  background:var(--ink-2);
  border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair);
  padding:30px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{display:flex;flex-direction:column;gap:4px;}
.stat b{font-size:30px;line-height:1.2;color:#fff;letter-spacing:.01em;}
.stat b i{font-style:normal;font-size:14px;color:var(--teal);margin-left:4px;}
.stat span{font-size:13.5px;color:var(--lite-2);}

/* ---------- 通用板块头 ---------- */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.sec-title{display:flex;align-items:center;gap:14px;}
.sec-bar{width:4px;height:26px;border-radius:3px;background:var(--rose);flex:0 0 auto;}
.sec-title h2{font-size:29px;line-height:1.3;font-weight:700;letter-spacing:.015em;}
.sec-desc{margin-top:8px;font-size:15px;color:var(--t2);line-height:1.8;}
.dark .sec-title h2{color:#fff;}
.dark .sec-desc{color:var(--lite-2);}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 2px 12px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 218px;scroll-snap-align:start;
  border-radius:var(--r-md);overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.rail-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#E2D6D0;}
.rail-thumb{position:relative;overflow:hidden;background:rgba(226,58,110,.12);}
.rail-thumb img{width:100%;aspect-ratio:2/3;object-fit:cover;transition:transform .45s ease;}
.rail-card:hover .rail-thumb img{transform:scale(1.04);}
.rail-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:58%;
  background:linear-gradient(180deg,transparent,rgba(20,15,26,.86));
}
.rail-play{
  position:absolute;right:12px;bottom:12px;z-index:2;
  width:36px;height:36px;border-radius:50%;
  background:rgba(226,58,110,.92);color:#fff;
  display:grid;place-items:center;font-size:13px;
  opacity:0;transform:translateY(6px);
  transition:opacity .26s ease, transform .26s ease;
}
.rail-card:hover .rail-play{opacity:1;transform:translateY(0);}
.rail-info{
  position:absolute;left:12px;right:56px;bottom:12px;z-index:2;
  font-size:13px;color:var(--lite-2);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:transform .26s ease;
}
.rail-card:hover .rail-info{transform:translateY(-2px);}
.rail-body{padding:14px 16px 18px;}
.rail-body h3{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:48px;
}
.rail-meta{margin-top:8px;font-size:13px;color:var(--t3);}
.rail-arrow{
  position:absolute;top:38%;z-index:5;
  width:44px;height:44px;border-radius:999px;
  background:rgba(23,18,29,.78);color:#fff;
  border:1px solid var(--hair);
  display:none;place-items:center;
  backdrop-filter:blur(6px);
  transition:background .2s ease, transform .2s ease;
}
.rail-arrow:hover{background:var(--rose);transform:scale(1.05);}
.rail-arrow.prev{left:-18px;}
.rail-arrow.next{right:-18px;}

/* ---------- 热播推荐 1+3 ---------- */
.top-grid{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:stretch;}
.big-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--ink-2);min-height:380px;display:flex;align-items:flex-end;
  border:1px solid var(--hair);
  box-shadow:0 20px 44px rgba(24,18,30,.28);
}
.big-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.big-card:hover img{transform:scale(1.03);}
.big-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,15,26,.1) 30%,rgba(20,15,26,.92) 100%);
}
.big-body{position:relative;z-index:2;padding:34px 34px 30px;}
.big-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;
  background:var(--rose);color:#fff;margin-bottom:14px;
}
.big-body h3{font-size:26px;font-weight:700;color:#fff;line-height:1.35;}
.big-body p{margin-top:10px;font-size:15px;color:var(--lite-2);max-width:520px;line-height:1.8;}
.big-meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--lite-2);}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-row{
  display:flex;gap:14px;align-items:center;
  padding:12px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:background .22s ease, transform .22s ease, box-shadow .22s ease;
}
.side-row:hover{background:#FFF6F8;transform:translateX(3px);box-shadow:var(--sh-2);}
.side-rank{
  flex:0 0 26px;font-size:15px;font-weight:700;color:var(--rose);
  text-align:center;
}
.side-thumb{flex:0 0 96px;border-radius:10px;overflow:hidden;background:rgba(18,165,148,.12);}
.side-thumb img{width:96px;height:64px;object-fit:cover;}
.side-text{min-width:0;}
.side-text h3{
  font-size:15.5px;font-weight:600;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-text span{display:block;margin-top:5px;font-size:12.5px;color:var(--t3);}

/* ---------- 片单分区 ---------- */
.tab-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.tab{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  font-size:14.5px;color:var(--t1);
  background:#fff;border:1px solid var(--line);
  transition:all .22s ease;
}
.tab b{font-size:12px;font-weight:600;color:var(--t3);background:rgba(155,146,164,.12);padding:1px 8px;border-radius:999px;}
.tab:hover{border-color:var(--rose);color:var(--rose);transform:translateY(-1px);}
.tab.active{background:var(--rose);border-color:var(--rose);color:#fff;box-shadow:0 8px 20px rgba(226,58,110,.28);}
.tab.active b{background:rgba(255,255,255,.24);color:#fff;}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.card{
  border-radius:var(--r-md);overflow:hidden;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .26s ease, box-shadow .26s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);}
.card-thumb{position:relative;overflow:hidden;background:rgba(226,58,110,.12);}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.card:hover .card-thumb img{transform:scale(1.05);}
.card-cat{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:999px;font-size:12px;
  background:rgba(18,165,148,.92);color:#fff;
}
.card-body{padding:16px 18px 18px;}
.card-body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:50px;
}
.card-meta{margin-top:10px;font-size:13px;color:var(--t3);display:flex;gap:12px;}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .26s ease, box-shadow .26s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);}
.news-thumb{background:rgba(226,58,110,.12);}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.tag-teal{
  display:inline-block;align-self:flex-start;
  padding:4px 12px;border-radius:999px;font-size:12px;
  background:var(--teal-s);color:#0C7A6E;
}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:15px;line-height:1.75;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
}
.news-more{color:var(--rose);font-weight:600;}
.empty-state{
  grid-column:1/-1;
  padding:56px 24px;border-radius:var(--r-md);
  background:#fff;border:1px dashed var(--line);
  text-align:center;
}
.empty-icon{
  width:54px;height:54px;margin:0 auto 16px;border-radius:16px;
  background:var(--rose-s);color:var(--rose);
  display:grid;place-items:center;font-size:22px;
}
.empty-state p{font-size:16px;color:var(--t2);margin-bottom:18px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--lite);
  padding:96px 0;text-align:center;
}
.cta-band .cta-bg{position:absolute;inset:0;opacity:.16;}
.cta-band .cta-bg img{width:100%;height:100%;object-fit:cover;}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 120%,rgba(226,58,110,.24),transparent 62%);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:34px;line-height:1.3;font-weight:700;color:#fff;letter-spacing:.015em;}
.cta-inner p{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--lite-2);}
.cta-actions{margin-top:32px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:22px 0;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--t1);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--rose);}
.faq-num{flex:0 0 30px;font-size:14px;font-weight:700;color:var(--teal);line-height:1.85;}
.faq-arrow{
  margin-left:auto;flex:0 0 auto;color:var(--t3);font-size:13px;
  transition:transform .28s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--rose);}
.faq-body{
  padding:0 0 24px 44px;
  font-size:15.5px;line-height:1.9;color:var(--t2);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--lite-2);padding:76px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .brand{margin-bottom:18px;}
.foot-brand p{font-size:14.5px;line-height:1.9;color:var(--lite-2);max-width:340px;}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.foot-tags span{
  padding:5px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(255,255,255,.06);border:1px solid var(--hair);color:var(--lite);
}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;letter-spacing:.02em;}
.foot-col li{margin-bottom:12px;}
.foot-col a{font-size:14.5px;color:var(--lite-2);transition:color .2s ease;}
.foot-col a:hover{color:var(--teal);}
.foot-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--hair);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--lite-2);
}

/* ---------- 深色域与浅色域过渡 ---------- */
.fade-edge{height:24px;background:linear-gradient(180deg,var(--ink),var(--paper));}
.fade-edge.up{background:linear-gradient(180deg,var(--paper),var(--ink));}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  :root{--sect:72px;}
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{margin-left:auto;}
  .hero h1{font-size:38px;}
  .hero{min-height:78vh;padding-top:132px;}
  .top-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rail-arrow{display:none;}
}
@media(max-width:768px){
  :root{--sect:56px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .site-header{top:12px;padding:0 12px;}
  .brand{font-size:15.5px;}
  .brand-full{display:none;}
  .brand-short{display:inline;}
  .nav-cta{padding:9px 16px;font-size:13.5px;}
  .hero{min-height:76vh;padding:120px 0 20px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .sec-title h2{font-size:24px;}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .news-grid{grid-template-columns:1fr;}
  .rail-card{flex:0 0 172px;}
  .big-card{min-height:300px;}
  .big-body{padding:24px 22px 22px;}
  .big-body h3{font-size:21px;}
  .cta-band{padding:68px 0;}
  .cta-inner h2{font-size:25px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;}
  .foot-bottom{flex-direction:column;}
}
@media(max-width:520px){
  .hero h1{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .rail-card{flex:0 0 152px;}
  .hero-now-item{flex:0 0 140px;}
  .side-thumb,.side-thumb img{flex-basis:80px;width:80px;height:56px;}
  .faq-body{padding-left:0;}
  .faq-num{flex-basis:24px;}
}

/* roulang page: article */
:root{
  --ink:#17121D;
  --ink-2:#221A2B;
  --ink-line:rgba(255,255,255,.08);
  --ink-text:#F5F1F7;
  --ink-text-2:#B9B1C4;
  --bg:#FCF8F6;
  --card:#FFFFFF;
  --line:#ECE4DF;
  --pink:#E23A6E;
  --pink-dark:#C42B5C;
  --pink-soft:#FBE6ED;
  --teal:#12A594;
  --teal-soft:#E1F4F1;
  --t1:#241E2B;
  --t2:#6C6377;
  --t3:#9A93A3;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,28,41,.06);
  --sh-2:0 14px 32px rgba(34,28,41,.12);
  --w:1200px;
  --gap-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,opacity .22s ease;}
a:hover{color:var(--pink);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--pink);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}
.section{padding:var(--gap-sec) 0;}
.section-tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--teal);
  background:var(--teal-soft);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:18px;font-weight:600;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.sec-title{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:.015em;display:flex;align-items:center;gap:14px;}
.sec-title::before{content:"";display:block;width:4px;height:26px;border-radius:2px;background:var(--pink);}
.sec-desc{font-size:15px;color:var(--t2);max-width:640px;margin-top:10px;line-height:1.75;}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;padding:18px 20px;transition:padding .28s ease;}
.nav-pill{
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(23,18,29,.72);
  border:1px solid var(--ink-line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 28px rgba(12,8,16,.28);
  transition:background-color .28s ease,box-shadow .28s ease,padding .28s ease;
}
.site-header.scrolled{padding:10px 20px;}
.site-header.scrolled .nav-pill{background:rgba(23,18,29,.94);box-shadow:0 12px 34px rgba(12,8,16,.42);padding-top:7px;padding-bottom:7px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink-text);letter-spacing:.01em;flex:none;}
.brand:hover{color:#fff;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--pink),#8E2B63);
  color:#fff;font-size:16px;font-weight:800;
}
.brand-full{font-size:16px;white-space:nowrap;}
.brand-short{display:none;font-size:16px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap;}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--ink-text-2);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:var(--teal);border-radius:2px;transform:translateX(-50%);
  transition:width .24s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-links a:hover::after{width:20px;}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.1);}
.nav-links a.active::after{width:20px;}
.nav-cta{
  flex:none;padding:9px 20px;border-radius:var(--r-pill);
  background:var(--pink);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 6px 18px rgba(226,58,110,.32);
}
.nav-cta:hover{background:var(--pink-dark);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--ink-line);align-items:center;justify-content:center;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-text);border-radius:2px;transition:transform .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- breadcrumb + article head ---------- */
.article-top{padding:132px 0 0;background:var(--bg);}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--teal);}
.crumb .sep{color:#CFC6C1;}
.crumb .cur{color:var(--t3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.art-head{margin-top:26px;max-width:860px;}
.art-head h1{
  font-size:37px;line-height:1.28;font-weight:800;letter-spacing:.015em;color:var(--t1);
}
.art-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:13px;color:var(--t3);}
.meta-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 13px;border-radius:var(--r-pill);
  background:var(--teal-soft);color:var(--teal);font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item i{color:var(--teal);font-size:12px;}

/* ---------- article layout ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:48px;padding:44px 0 var(--gap-sec);align-items:start;}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#3A3242;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;line-height:1.9;}
.article-body h2{
  position:relative;font-size:28px;line-height:1.4;font-weight:700;color:var(--t1);
  margin:2em 0 .7em;padding-left:16px;letter-spacing:.015em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.22em;width:3px;border-radius:2px;background:var(--pink);
}
.article-body h3{font-size:21px;font-weight:700;color:var(--t1);margin:1.7em 0 .6em;line-height:1.5;}
.article-body h4{font-size:18px;font-weight:700;color:var(--t1);margin:1.5em 0 .5em;}
.article-body a{color:var(--teal);border-bottom:1px solid rgba(18,165,148,.35);}
.article-body a:hover{color:var(--pink);border-bottom-color:var(--pink);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;line-height:1.9;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;line-height:1.9;}
.article-body li::marker{color:var(--pink);}
.article-body blockquote{
  margin:1.7em 0;padding:18px 24px;
  background:var(--teal-soft);border-left:2px solid var(--teal);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#2A4450;font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-sm);margin:1.6em auto;box-shadow:var(--sh-1);}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;}
.article-body th{background:#FAF4F1;color:var(--t1);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--line);line-height:1.75;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body strong{color:var(--t1);}

/* ---------- sidebar ---------- */
.aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);}
.aside-card h4{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.aside-card h4::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--pink);}
.aside-list li + li{border-top:1px solid var(--line);}
.aside-list a{display:block;padding:11px 0;font-size:14.5px;color:var(--t2);line-height:1.7;}
.aside-list a:hover{color:var(--pink);}
.aside-list span{display:block;font-size:12.5px;color:var(--t3);margin-top:4px;}
.aside-cta{background:var(--ink);color:var(--ink-text);border-color:transparent;}
.aside-cta h4{color:#fff;}
.aside-cta h4::before{background:var(--teal);}
.aside-cta p{font-size:14px;color:var(--ink-text-2);line-height:1.8;margin-bottom:16px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--pink);color:#fff;box-shadow:0 8px 22px rgba(226,58,110,.28);}
.btn-primary:hover{background:var(--pink-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(226,58,110,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--line);color:var(--t1);background:var(--card);}
.btn-ghost:hover{border-color:var(--pink);color:var(--pink);transform:translateY(-2px);}
.btn-ghost-dark{border:1px solid rgba(255,255,255,.28);color:#fff;}
.btn-ghost-dark:hover{border-color:var(--teal);color:var(--teal);}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-md);background:#FFFDFC;
}
.empty-state i{font-size:34px;color:#DFD5CF;display:block;margin-bottom:16px;}
.empty-state h3{font-size:20px;font-weight:700;color:var(--t1);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--t2);margin-bottom:22px;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .26s ease,box-shadow .26s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(226,58,110,.12);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 22px;}
.tag{display:inline-flex;align-items:center;padding:3px 12px;border-radius:var(--r-pill);background:var(--teal-soft);color:var(--teal);font-size:12.5px;font-weight:600;}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.6;margin:12px 0 8px;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body p{font-size:14px;color:var(--t2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{margin-top:14px;font-size:12.5px;color:var(--t3);display:flex;align-items:center;gap:6px;}
.foot-bar{display:flex;justify-content:center;margin-top:44px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--ink);overflow:hidden;padding:80px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.15;
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{font-size:30px;color:#fff;font-weight:700;line-height:1.4;letter-spacing:.015em;}
.cta-band p{color:var(--ink-text-2);font-size:16px;margin:14px auto 30px;max-width:620px;line-height:1.85;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--ink-text-2);padding:66px 0 26px;border-top:1px solid var(--ink-line);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .brand{margin-bottom:16px;color:#fff;}
.foot-brand p{font-size:14px;line-height:1.85;max-width:340px;color:var(--ink-text-2);}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.foot-tags span{font-size:12.5px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid var(--ink-line);color:var(--ink-text-2);}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14px;color:var(--ink-text-2);}
.foot-col a:hover{color:var(--teal);}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--ink-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8C8496;
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:36px;}
  .aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  :root{--gap-sec:72px;}
  .brand-full{display:none;}
  .brand-short{display:inline;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-pill{justify-content:space-between;}
  .nav-cta{display:none;}
  body.nav-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:fixed;top:76px;left:20px;right:20px;
    background:rgba(23,18,29,.97);border:1px solid var(--ink-line);
    border-radius:var(--r-lg);padding:16px;z-index:70;
    box-shadow:0 20px 50px rgba(12,8,16,.5);
  }
  body.nav-open .nav-links a{line-height:1.9;font-size:16px;padding:11px 14px;border-radius:var(--r-sm);}
  body.nav-open .nav-links a::after{display:none;}
  .article-top{padding-top:118px;}
  .article-card{padding:34px 30px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  :root{--gap-sec:56px;}
  .art-head h1{font-size:28px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:23px;}
  .sec-title{font-size:24px;}
  .cta-band h2{font-size:24px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:60px 0;}
}
@media (max-width:520px){
  .article-top{padding-top:106px;}
  .article-card{padding:26px 20px;border-radius:var(--r-md);}
  .art-head h1{font-size:24px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-body th,.article-body td{padding:9px 10px;font-size:14px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .brand-short{font-size:15px;}
}

/* roulang page: category2 */
:root{
  --ink:#17121D;
  --ink-2:#221A2B;
  --ink-line:rgba(255,255,255,.08);
  --ink-text:#F5F1F7;
  --ink-sub:#B9B1C4;
  --light:#FCF8F6;
  --card:#FFFFFF;
  --sep:#ECE4DF;
  --primary:#E23A6E;
  --primary-d:#C42B5C;
  --primary-l:#FBE6ED;
  --teal:#12A594;
  --teal-l:#E1F4F1;
  --t1:#241E2B;
  --t2:#6C6377;
  --t3:#9A93A3;
  --r-pill:999px;
  --r-lg:20px;
  --r-md:16px;
  --r-img:12px;
  --sh-1:0 2px 8px rgba(34,28,41,.06);
  --sh-2:0 14px 32px rgba(34,28,41,.12);
  --sec:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
html body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--t1);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--t1);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.dark-area{background:var(--ink);color:var(--ink-text);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:80;
  display:flex;justify-content:center;
  padding:0 20px;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  display:flex;align-items:center;gap:18px;
  width:100%;max-width:1080px;
  padding:10px 12px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(23,18,29,.62);
  border:1px solid var(--ink-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled .nav-pill{
  background:rgba(23,18,29,.9);
  padding-top:6px;padding-bottom:6px;
  box-shadow:0 14px 34px rgba(0,0,0,.34);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink-text);font-weight:700;}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#8E2F6B);
  color:#fff;font-size:17px;font-weight:800;
  box-shadow:0 6px 18px rgba(226,58,110,.35);
}
.brand-full,.brand-short{font-size:15px;letter-spacing:.01em;white-space:nowrap;}
.brand-short{display:none;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;color:var(--ink-sub);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:2px;border-radius:2px;background:var(--teal);
  transform:translateX(-50%);transition:width .24s ease;
}
.nav-links a:hover{color:var(--ink-text);}
.nav-links a:hover::after{width:22px;}
.nav-links a.active{color:var(--ink-text);background:rgba(255,255,255,.07);}
.nav-links a.active::after{width:22px;background:var(--primary);}
.nav-cta{
  flex-shrink:0;
  padding:10px 20px;
  border-radius:var(--r-pill);
  background:var(--primary);color:#fff;
  font-size:14.5px;font-weight:600;
  box-shadow:0 8px 22px rgba(226,58,110,.32);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.nav-cta:hover{background:var(--primary-d);transform:translateY(-1px);box-shadow:0 12px 26px rgba(196,43,92,.38);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--ink-line);
  position:relative;flex-shrink:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--ink-text);
  transform:translateX(-50%);transition:.25s ease;content:"";
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg);}
.nav-drawer{
  pointer-events:auto;
  position:fixed;inset:0;
  background:rgba(23,18,29,.97);
  backdrop-filter:blur(10px);
  padding:100px 28px 40px;
  display:none;
  z-index:79;
}
.nav-drawer.open{display:block;animation:fadeIn .24s ease;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.nav-drawer a{
  display:block;
  padding:16px 4px;
  font-size:19px;
  line-height:1.9;
  color:var(--ink-text);
  border-bottom:1px solid var(--ink-line);
}
.nav-drawer a.active{color:var(--primary);}
.nav-drawer .drawer-cta{
  margin-top:26px;
  display:inline-block;
  padding:13px 30px;
  border-radius:var(--r-pill);
  background:var(--primary);color:#fff;
  border-bottom:0;font-size:16px;font-weight:600;text-align:center;
}

/* ---------- 分类页头 ---------- */
.page-hero{
  position:relative;
  padding:170px 0 88px;
  background:var(--ink);
  color:var(--ink-text);
  overflow:hidden;
  text-align:center;
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;
  transform:scale(1.02);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,18,29,.72) 0%,rgba(23,18,29,.86) 55%,rgba(23,18,29,.98) 100%);
}
.page-hero-inner{position:relative;z-index:2;max-width:820px;margin:0 auto;}
.crumbs{
  display:flex;justify-content:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--ink-sub);margin-bottom:22px;
}
.crumbs a{color:var(--ink-sub);}
.crumbs a:hover{color:var(--teal);}
.crumbs span.now{color:var(--t3);}
.hero-chips{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 16px;border-radius:var(--r-pill);
  font-size:13px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--ink-line);
  color:var(--ink-sub);
}
.chip.is-primary{background:var(--primary-l);color:var(--primary-d);border-color:transparent;font-weight:600;}
.chip.is-teal{background:var(--teal-l);color:#0C7A6D;border-color:transparent;font-weight:600;}
.page-hero h1{
  font-size:40px;line-height:1.25;color:var(--ink-text);
  letter-spacing:.015em;margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--primary);}
.page-hero .lede{
  font-size:17px;line-height:1.9;color:var(--ink-sub);
  max-width:660px;margin:0 auto 30px;
}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 26px rgba(226,58,110,.34);}
.btn-primary:hover{background:var(--primary-d);transform:translateY(-2px);box-shadow:0 16px 32px rgba(196,43,92,.4);}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:var(--ink-text);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);}
.btn-line{border:1px solid var(--sep);color:var(--t1);background:#fff;}
.btn-line:hover{border-color:var(--primary);color:var(--primary-d);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn:active{transform:translateY(0);}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--sep);
  border:1px solid var(--sep);
  border-radius:var(--r-lg);
  overflow:hidden;
  margin-top:-46px;
  position:relative;z-index:3;
  box-shadow:var(--sh-1);
}
.stat-cell{background:#fff;padding:26px 22px;text-align:center;}
.stat-cell b{display:block;font-size:26px;line-height:1.3;color:var(--primary);font-weight:800;}
.stat-cell span{font-size:13px;color:var(--t2);}

/* ---------- 区块标题 ---------- */
.sec-head{margin-bottom:44px;}
.sec-head.center{text-align:center;max-width:720px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--primary);
  padding-left:12px;position:relative;margin-bottom:12px;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:2px;background:var(--primary);
}
.sec-head h2{font-size:30px;line-height:1.3;margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--t2);}

/* ---------- 图文交错 ---------- */
.zig{display:flex;flex-direction:column;gap:72px;}
.zig-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.zig-row.reverse .zig-media{order:2;}
.zig-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  background:rgba(226,58,110,.12);
  transition:box-shadow .3s ease,transform .3s ease;
}
.zig-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .5s ease;
}
.zig-row:hover .zig-media{box-shadow:var(--sh-2);transform:translateY(-4px);}
.zig-row:hover .zig-media img{transform:scale(1.04);}
.zig-body h3{font-size:22px;line-height:1.4;margin:14px 0 14px;}
.zig-body p{font-size:16px;color:var(--t2);}
.tag{
  display:inline-block;
  padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:var(--teal-l);color:#0C7A6D;
}
.tag.is-rose{background:var(--primary-l);color:var(--primary-d);}
.dot-list{margin:6px 0 22px;}
.dot-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;line-height:1.9;color:var(--t2);
}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:13px;
  width:7px;height:7px;border-radius:50%;background:var(--teal);
}

/* ---------- 图卡网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cover-card{
  background:#fff;
  border:1px solid var(--sep);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.cover-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:transparent;}
.cover-card figure{margin:0;overflow:hidden;position:relative;background:rgba(226,58,110,.12);}
.cover-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.cover-card:hover img{transform:scale(1.05);}
.cover-card .badge{
  position:absolute;top:12px;left:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:#fff;background:rgba(226,58,110,.92);
}
.cover-card .body{padding:18px 20px 22px;}
.cover-card h3{font-size:17px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cover-card p{font-size:14.5px;line-height:1.75;color:var(--t2);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cover-card .meta{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;}
.cover-card .meta i{width:6px;height:6px;border-radius:50%;background:var(--teal);display:inline-block;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;
  width:2px;border-radius:2px;background:var(--sep);
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:9px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
}
.tl-item b{display:block;font-size:16px;margin-bottom:4px;}
.tl-item p{font-size:14.5px;color:var(--t2);}

/* ---------- FAQ ---------- */
.faq{background:#fff;border:1px solid var(--sep);border-radius:var(--r-lg);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--sep);}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16.5px;line-height:1.6;color:var(--t1);font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:#FDF6F4;}
.faq-q .idx{
  flex-shrink:0;
  font-size:14px;font-weight:700;color:var(--teal);
  min-width:24px;
}
.faq-q .arrow{
  margin-left:auto;flex-shrink:0;
  width:9px;height:9px;border-right:2px solid var(--t3);border-bottom:2px solid var(--t3);
  transform:rotate(45deg);transition:transform .28s ease;
}
.faq-item.open .faq-q .arrow{transform:rotate(-135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{padding:0 24px 22px 64px;font-size:15px;line-height:1.9;color:var(--t2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  background:var(--ink);
  color:var(--ink-text);
  text-align:center;
  padding:88px 0;
  overflow:hidden;
}
.cta-band-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 120% at 50% 0%,rgba(226,58,110,.18) 0%,rgba(23,18,29,0) 60%);
}
.cta-band-inner{position:relative;z-index:2;max-width:680px;margin:0 auto;}
.cta-band h2{font-size:30px;color:var(--ink-text);margin-bottom:14px;}
.cta-band p{font-size:16px;color:var(--ink-sub);margin-bottom:28px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--ink-sub);padding:72px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:14.5px;line-height:1.85;color:var(--ink-sub);max-width:320px;}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.foot-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--ink-line);color:var(--ink-sub);
}
.foot-col h4{font-size:15px;color:var(--ink-text);margin-bottom:16px;font-weight:600;}
.foot-col li{margin-bottom:11px;}
.foot-col a{font-size:14.5px;color:var(--ink-sub);}
.foot-col a:hover{color:var(--teal);}
.foot-bottom{
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid var(--ink-line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .zig-row{gap:36px;}
  .page-hero h1{font-size:34px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  .container{padding:0 20px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:block;margin-left:auto;}
  .brand-full{display:none;}
  .brand-short{display:inline;}
  .nav-pill{padding:8px 10px 8px 14px;}
  .page-hero{padding:132px 0 64px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lede{font-size:16px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-30px;}
  .zig-row{grid-template-columns:1fr;gap:24px;}
  .zig-row.reverse .zig-media{order:0;}
  .card-grid{grid-template-columns:1fr;}
  .sec-head h2{font-size:24px;}
  .cta-band h2{font-size:24px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 18px 52px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{justify-content:flex-start;font-size:12.5px;}
}
@media (max-width:520px){
  .stat-cell{padding:20px 14px;}
  .stat-cell b{font-size:22px;}
  .cover-card .body{padding:16px;}
  .btn{padding:12px 22px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --ink:#17121D;
  --ink-2:#221A2B;
  --line-dark:rgba(255,255,255,.08);
  --text-dark:#F5F1F7;
  --muted-dark:#B9B1C4;
  --paper:#FCF8F6;
  --surface:#FFFFFF;
  --line:#ECE4DF;
  --pink:#E23A6E;
  --pink-dark:#C42B5C;
  --pink-soft:#FBE6ED;
  --teal:#12A594;
  --teal-soft:#E1F4F1;
  --title:#241E2B;
  --muted:#6C6377;
  --faint:#9A93A3;
  --r-lg:20px;
  --r:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,28,41,.06);
  --sh-2:0 14px 32px rgba(34,28,41,.12);
  --sh-dark:0 0 0 1px rgba(255,255,255,.08), 0 10px 30px rgba(226,58,110,.18);
  --w:1200px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--title);
  background:var(--paper);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.01em;font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--pink);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:18px;left:0;right:0;z-index:80;
  padding:0 20px;
  transition:top .28s ease;
}
.nav-pill{
  width:max-content;max-width:100%;
  margin:0 auto;
  display:flex;align-items:center;gap:22px;
  padding:10px 12px 10px 16px;
  border-radius:var(--r-pill);
  background:rgba(23,18,29,.72);
  border:1px solid var(--line-dark);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 8px 26px rgba(23,18,29,.28);
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled .nav-pill{
  background:rgba(23,18,29,.94);
  padding:6px 12px 6px 16px;
  box-shadow:0 14px 34px rgba(23,18,29,.42);
  border-color:rgba(255,255,255,.12);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-dark);flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(140deg,var(--pink),#8E2E86);
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(226,58,110,.35);
}
.brand-full{font-size:15.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.brand-short{display:none;font-size:15.5px;font-weight:600;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:block;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--muted-dark);
  transition:color .22s ease,background .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--teal);
  transition:width .24s ease;
}
.nav-links a:hover{color:var(--text-dark);background:rgba(255,255,255,.05);}
.nav-links a:hover::after{width:18px;}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.09);}
.nav-links a.active::after{width:18px;}
.nav-cta{
  flex:0 0 auto;
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--pink);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 8px 20px rgba(226,58,110,.34);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.nav-cta:hover{background:var(--pink-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(226,58,110,.42);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);position:relative;flex:0 0 40px;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:17px;height:2px;border-radius:2px;
  background:var(--text-dark);transform:translateX(-50%);
  transition:transform .24s ease,opacity .24s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none;}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 分类页头 ---------- */
.class-hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  padding:170px 0 64px;
  color:var(--text-dark);
}
.class-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.55;
}
.class-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(23,18,29,.94) 0%,rgba(23,18,29,.80) 48%,rgba(23,18,29,.52) 100%),
             linear-gradient(180deg,rgba(23,18,29,.72) 0%,rgba(23,18,29,.86) 100%);
}
.class-hero .container{position:relative;z-index:2;}
.crumbs{font-size:13px;color:var(--faint);margin-bottom:18px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumbs a{color:var(--muted-dark);transition:color .2s ease;}
.crumbs a:hover{color:var(--teal);}
.crumbs .sep{opacity:.5;}
.crumbs .cur{color:var(--faint);}
.hero-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;}
.hero-copy{max-width:660px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(226,58,110,.16);border:1px solid rgba(226,58,110,.36);
  color:#FFD3E1;font-size:13px;letter-spacing:.02em;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--pink);display:block;}
h1{
  font-size:38px;line-height:1.25;color:#fff;letter-spacing:.015em;
  margin-bottom:14px;
}
h1 em{font-style:normal;color:var(--pink);}
.hero-sub{font-size:16.5px;line-height:1.9;color:var(--muted-dark);max-width:640px;margin:0;}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;padding:18px 22px;border-radius:var(--r-lg);
  background:rgba(34,26,43,.72);border:1px solid var(--line-dark);backdrop-filter:blur(8px);}
.stat b{display:block;font-size:24px;color:#fff;line-height:1.2;letter-spacing:.01em;}
.stat span{font-size:12.5px;color:var(--muted-dark);}
.filter-bar{
  margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding-top:24px;border-top:1px solid var(--line-dark);
}
.filter-bar .label{font-size:13px;color:var(--faint);margin-right:4px;}
.pill{
  padding:9px 18px;border-radius:var(--r-pill);font-size:14.5px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  color:var(--muted-dark);
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.pill:hover{color:#fff;background:rgba(255,255,255,.12);transform:translateY(-1px);}
.pill.active{background:var(--pink);border-color:var(--pink);color:#fff;box-shadow:0 8px 20px rgba(226,58,110,.34);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section.tight{padding-top:56px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{font-size:30px;position:relative;padding-left:16px;}
.sec-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:var(--pink);
}
.sec-desc{font-size:15px;color:var(--muted);margin:8px 0 0;}
.sec-more{
  padding:9px 20px;border-radius:var(--r-pill);font-size:14.5px;
  border:1px solid var(--line);color:var(--title);background:#fff;
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.sec-more:hover{border-color:var(--pink);color:var(--pink);background:var(--pink-soft);}

/* ---------- 主体两栏 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}
.card-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.row-card{
  display:flex;gap:14px;align-items:flex-start;
  padding:12px;border-radius:var(--r);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:box-shadow .26s ease,transform .26s ease,border-color .26s ease;
}
.row-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E2D6CF;}
.row-thumb{
  flex:0 0 120px;width:120px;height:72px;border-radius:var(--r-sm);overflow:hidden;
  background:rgba(226,58,110,.12);
}
.row-thumb img{width:100%;height:100%;object-fit:cover;}
.row-body{min-width:0;flex:1;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--teal-soft);color:#0B7A6D;font-size:12px;letter-spacing:.02em;margin-bottom:6px;
}
.tag.pink{background:var(--pink-soft);color:var(--pink-dark);}
.row-title{
  font-size:15.5px;font-weight:600;line-height:1.55;color:var(--title);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.row-card:hover .row-title{color:var(--pink);}
.row-note{
  font-size:13px;color:var(--muted);line-height:1.7;margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-meta{font-size:12.5px;color:var(--faint);margin-top:6px;display:flex;align-items:center;gap:6px;}
.row-meta i{width:5px;height:5px;border-radius:50%;background:var(--teal);display:block;}

/* ---------- 侧栏 ---------- */
.aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.aside-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.aside-card h3::before{content:"";width:3px;height:14px;border-radius:3px;background:var(--teal);display:block;}
.toc a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--muted);
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.toc a:hover{background:var(--paper);color:var(--pink);padding-left:14px;}
.toc a span{font-size:12.5px;color:var(--faint);}
.aside-note{background:var(--ink-2);border:1px solid var(--line-dark);color:var(--muted-dark);}
.aside-note h3{color:#fff;}
.aside-note h3::before{background:var(--pink);}
.aside-note p{font-size:13.5px;line-height:1.85;color:var(--muted-dark);margin-bottom:0;}
.aside-note .aside-btn{
  display:inline-block;margin-top:14px;padding:9px 18px;border-radius:var(--r-pill);
  background:var(--pink);color:#fff;font-size:13.5px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.aside-note .aside-btn:hover{background:var(--pink-dark);transform:translateY(-1px);}

/* ---------- 四步核对 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform .26s ease,box-shadow .26s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:16px;
  background:var(--pink-soft);color:var(--pink-dark);font-weight:700;font-size:16px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14.5px;line-height:1.85;color:var(--muted);margin:0;}
.step-line{
  position:absolute;top:45px;right:-14px;width:28px;height:1px;background:var(--line);
}
.step:last-child .step-line{display:none;}

/* ---------- 深色提示带 ---------- */
.tips-band{background:var(--ink);color:var(--text-dark);position:relative;overflow:hidden;}
.tips-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.14;
}
.tips-band .container{position:relative;z-index:2;}
.tips-band .sec-title{color:#fff;}
.tips-band .sec-desc{color:var(--muted-dark);}
.tips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:8px;}
.tip{
  background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-dark);
  transition:transform .26s ease,border-color .26s ease;
}
.tip:hover{transform:translateY(-4px);border-color:rgba(226,58,110,.42);}
.tip h3{font-size:17.5px;color:#fff;margin-bottom:10px;}
.tip p{font-size:14.5px;line-height:1.85;color:var(--muted-dark);margin:0;}
.tip .tip-index{font-size:12.5px;color:var(--teal);letter-spacing:.04em;display:block;margin-bottom:12px;}

/* ---------- 订阅 ---------- */
.subscribe{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-1);
}
.subscribe h2{font-size:26px;margin-bottom:10px;}
.subscribe p{font-size:15px;color:var(--muted);margin:0;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.input{
  flex:1 1 220px;min-width:0;
  padding:13px 16px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);
  font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.input::placeholder{color:var(--faint);}
.input:focus{outline:none;border-color:var(--pink);box-shadow:0 0 0 3px rgba(226,58,110,.16);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--pink);color:#fff;box-shadow:0 10px 24px rgba(226,58,110,.30);}
.btn-primary:hover{background:var(--pink-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(226,58,110,.40);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;border:1px solid var(--line);color:var(--title);}
.btn-line:hover{border-color:var(--pink);color:var(--pink);background:var(--pink-soft);}
.form-hint{font-size:13px;color:var(--teal);margin-top:10px;display:none;}
.form-hint.show{display:block;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:22px 4px;font-size:17px;font-weight:600;line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--pink);}
.faq-item summary .num{font-size:14px;color:var(--teal);font-weight:700;flex:0 0 auto;}
.faq-item summary .arrow{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .26s ease;
}
.faq-item summary .arrow::before,.faq-item summary .arrow::after{
  content:"";position:absolute;top:50%;width:10px;height:2px;border-radius:2px;background:var(--faint);
}
.faq-item summary .arrow::before{left:1px;transform:rotate(45deg);}
.faq-item summary .arrow::after{right:1px;transform:rotate(-45deg);}
.faq-item[open] summary .arrow{transform:rotate(180deg);}
.faq-item[open] summary{color:var(--pink);}
.faq-body{padding:0 4px 24px 34px;font-size:15.5px;line-height:1.9;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:80px 0;text-align:center;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{font-size:32px;margin-bottom:14px;color:#fff;}
.cta-band p{font-size:16px;color:var(--muted-dark);max-width:620px;margin:0 auto 28px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--muted-dark);padding:72px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:14px;line-height:1.85;color:var(--muted-dark);max-width:340px;}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.foot-tags span{
  padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);color:var(--muted-dark);
}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14px;color:var(--muted-dark);transition:color .2s ease;}
.foot-col a:hover{color:var(--teal);}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--faint);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sec:80px;}
  .nav-pill{gap:16px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  h1{font-size:33px;}
  .container{padding:0 24px;}
  .layout{grid-template-columns:minmax(0,1fr);}
  .aside{position:static;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-line{display:none;}
  .tips{grid-template-columns:repeat(2,minmax(0,1fr));}
  .subscribe{grid-template-columns:minmax(0,1fr);padding:30px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}

  .nav-pill{width:100%;justify-content:space-between;padding:8px 10px 8px 14px;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;inset:0;z-index:70;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:110px 28px 40px;
    background:rgba(23,18,29,.97);
    backdrop-filter:blur(10px);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .26s ease,transform .26s ease,visibility .26s;
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links a{
    padding:16px 4px;border-radius:0;font-size:18px;color:var(--text-dark);
    border-bottom:1px solid var(--line-dark);line-height:1.9;
  }
  .nav-links a::after{display:none;}
  .nav-links a:hover,.nav-links a.active{background:transparent;color:var(--pink);}
  body.nav-open{overflow:hidden;}
}
@media (max-width:767px){
  body{font-size:16px;}
  h1{font-size:29px;}
  .sec-title{font-size:24px;}
  .class-hero{padding:140px 0 50px;}
  .card-list{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:minmax(0,1fr);}
  .tips{grid-template-columns:minmax(0,1fr);}
  .subscribe{padding:24px;}
  .subscribe h2{font-size:22px;}
  .cta-band h2{font-size:25px;}
  .foot-grid{grid-template-columns:1fr;}
  .faq-body{padding-left:4px;}
  .brand-full{display:none;}
  .brand-short{display:inline;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  h1{font-size:26px;}
  .row-card{flex-direction:column;}
  .row-thumb{width:100%;height:150px;flex:0 0 auto;}
  .hero-stats{gap:18px;padding:14px 18px;width:100%;justify-content:space-between;}
  .stat b{font-size:20px;}
  .btn{width:100%;}
  .cta-actions{flex-direction:column;}
}