/* roulang page: index */
:root{
  --bg-deep:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.08);
  --line-top:rgba(255,255,255,.14);
  --c-primary:#35E0B8;
  --c-primary-d:#0B8F72;
  --c-accent:#FF6A4D;
  --c-violet:#8C7BFF;
  --t1:#EAF1FF;
  --t2:#9DB0CC;
  --t3:#6B7C99;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 40px rgba(0,0,0,.45);
  --sh-glow:0 10px 30px rgba(53,224,184,.28);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg-deep);
  background-image:
    radial-gradient(900px 520px at 10% -8%, rgba(53,224,184,.10), transparent 62%),
    radial-gradient(760px 520px at 94% 6%, rgba(140,123,255,.10), transparent 62%);
  background-attachment:fixed;
  color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.32}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
::selection{background:rgba(53,224,184,.3);color:#04120E}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:1040;background:#fff;
  border-bottom:1px solid #E8EDF5;
  box-shadow:0 4px 16px rgba(10,20,40,.06);
  transition:box-shadow .3s ease;
}
.site-nav.is-scrolled{box-shadow:0 10px 28px rgba(10,20,40,.13)}
.nav-inner{display:flex;align-items:center;height:var(--nav-h);gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#35E0B8,#8C7BFF);
  display:grid;place-items:center;color:#04120E;font-size:14px;
  box-shadow:0 6px 16px rgba(53,224,184,.35);
}
.brand-text{font-size:15.5px;font-weight:800;color:#0E1728;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:8px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  color:#4A5A73;text-decoration:none;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#0E1728;background:#F2F5FA}
.nav-links a.active{color:#08795F;background:rgba(53,224,184,.15)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:190px;height:40px;border-radius:var(--r-pill);
  border:1px solid transparent;background:#F2F5FA;
  padding:0 40px 0 16px;font-size:14px;color:#0E1728;outline:none;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:#8A99B0}
.nav-search input:focus{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(53,224,184,.16)}
.nav-search i{position:absolute;right:15px;color:#8A99B0;font-size:13.5px;pointer-events:none}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);border:0;
  background:linear-gradient(135deg,#35E0B8,#1FB894);
  color:#04120E;font-weight:700;font-size:15px;text-decoration:none;cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-glow:hover{filter:brightness(1.08);box-shadow:0 14px 36px rgba(53,224,184,.42);transform:translateY(-1px);color:#04120E}
.btn-glow:active{transform:translateY(1px);box-shadow:0 6px 18px rgba(53,224,184,.24)}
.btn-sm-glow{padding:10px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:transparent;
  color:var(--t1);font-weight:600;font-size:15px;text-decoration:none;cursor:pointer;
  transition:border-color .25s ease,color .25s ease,background .25s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:rgba(53,224,184,.5);color:#fff;background:rgba(53,224,184,.07)}
.btn-ghost:active{transform:translateY(1px)}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:12px;
  border:1px solid #E2E8F2;background:#fff;color:#0E1728;font-size:17px;cursor:pointer;
  place-items:center;transition:background .2s ease;
}
.nav-toggle:hover{background:#F2F5FA}
.mobile-panel{display:none;border-top:1px solid #EDF1F7;background:#fff;padding:10px 20px 18px}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:13px 4px;font-size:16px;font-weight:600;color:#33415C;
  border-bottom:1px solid #F1F5FA;text-decoration:none;
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.active{color:#08795F}

/* ============ 通用板块 ============ */
.section{padding:88px 0;position:relative}
.sec-head{margin-bottom:34px;max-width:760px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--c-primary);
  margin-bottom:12px;text-transform:uppercase;
}
.sec-title{font-size:clamp(22px,2.6vw,34px);font-weight:700;margin-bottom:12px}
.sec-sub{color:var(--t2);font-size:15px;margin:0}
.glass{
  background:var(--glass);border:1px solid var(--line);
  border-top:1px solid var(--line-top);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 92px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.16;
}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(5,8,15,.45) 0%,rgba(5,8,15,.86) 58%,var(--bg-deep) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center}
.phone-card{
  position:relative;width:100%;max-width:320px;margin:0 auto;
  aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 0 1px rgba(53,224,184,.08);
}
.phone-card img{width:100%;height:100%;object-fit:cover}
.phone-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.08) 0%,rgba(5,8,15,.72) 100%);
}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:66px;height:66px;border-radius:50%;border:0;z-index:2;
  background:rgba(255,106,77,.94);color:#fff;display:grid;place-items:center;
  font-size:21px;cursor:pointer;
  box-shadow:0 12px 34px rgba(255,106,77,.45);
  transition:transform .25s ease,box-shadow .25s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.08);box-shadow:0 16px 42px rgba(255,106,77,.6)}
.dur-badge{
  position:absolute;right:14px;bottom:14px;z-index:2;
  padding:4px 10px;border-radius:8px;background:rgba(255,106,77,.92);
  color:#fff;font-size:12px;font-weight:700;
}
.hero-tag-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:4px 11px;border-radius:8px;background:rgba(140,123,255,.85);
  color:#fff;font-size:12px;font-weight:600;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(53,224,184,.12);border:1px solid rgba(53,224,184,.3);
  color:var(--c-primary);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-title{font-size:clamp(28px,4.2vw,52px);font-weight:800;line-height:1.22;margin-bottom:18px}
.hero-sub{color:var(--t2);font-size:17px;max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:20px;padding-top:24px;border-top:1px solid var(--line)}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--t2)}
.trust-item i{color:var(--c-primary);font-size:13px}

/* ============ 竖屏片段卡 ============ */
.clip-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:rgba(53,224,184,.6) transparent;
}
.clip-track::-webkit-scrollbar{height:4px}
.clip-track::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px}
.clip-track::-webkit-scrollbar-thumb{background:rgba(53,224,184,.6);border-radius:99px}
.clip-track.dragging{cursor:grabbing;scroll-snap-type:none}
.clip-item{flex:0 0 232px;scroll-snap-align:start;text-decoration:none;color:inherit;display:block}
.clip-thumb{
  position:relative;aspect-ratio:9/16;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.clip-item:hover .clip-thumb img{transform:scale(1.04)}
.clip-item:hover .clip-thumb{border-color:rgba(53,224,184,.4)}
.clip-cat{
  position:absolute;left:10px;top:10px;z-index:2;
  padding:3px 9px;border-radius:8px;background:rgba(140,123,255,.85);
  color:#fff;font-size:12px;font-weight:600;
}
.clip-dur{
  position:absolute;right:10px;bottom:10px;z-index:2;
  padding:3px 8px;border-radius:8px;background:rgba(255,106,77,.92);
  color:#fff;font-size:11.5px;font-weight:700;
}
.clip-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;z-index:2;
  background:rgba(255,106,77,.9);display:grid;place-items:center;color:#fff;font-size:16px;
  transition:transform .25s ease;
}
.clip-item:hover .clip-play{transform:translate(-50%,-50%) scale(1.1)}
.clip-title{
  margin-top:12px;font-size:15px;font-weight:700;color:var(--t1);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.clip-meta{margin-top:4px;font-size:13px;color:var(--t3)}
.track-ctrl{display:flex;gap:10px;justify-content:flex-end;margin-top:6px}
.ctrl-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--glass);color:var(--t1);display:grid;place-items:center;
  cursor:pointer;transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.ctrl-btn:hover{border-color:rgba(53,224,184,.5);color:var(--c-primary);background:rgba(53,224,184,.08)}

/* ============ 种草清单 ============ */
.seed-list{list-style:none;border-top:1px solid var(--line)}
.seed-item{
  display:flex;gap:28px;padding:26px 14px;border-bottom:1px solid var(--line);
  border-radius:var(--r-sm);transition:background .25s ease;
}
.seed-item:hover{background:rgba(255,255,255,.025)}
.seed-num{
  flex:0 0 78px;font-size:44px;font-weight:800;line-height:1;
  color:rgba(53,224,184,.2);-webkit-text-stroke:1.5px rgba(53,224,184,.65);
}
.seed-body h3{font-size:19px;font-weight:700;margin-bottom:8px}
.seed-body p{color:var(--t2);font-size:15px;margin-bottom:12px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  font-size:12px;color:var(--t2);
}
.tag-accent{background:rgba(255,106,77,.12);border-color:rgba(255,106,77,.3);color:#FFA794}

/* ============ 口碑 ============ */
.bubble-track{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 16px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:rgba(53,224,184,.6) transparent;
}
.bubble-track::-webkit-scrollbar{height:4px}
.bubble-track::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px}
.bubble-track::-webkit-scrollbar-thumb{background:rgba(53,224,184,.6);border-radius:99px}
.bubble{
  flex:0 0 290px;background:var(--glass);border:1px solid var(--line);
  border-top:1px solid var(--line-top);border-radius:var(--r-sm);padding:18px 20px;
  backdrop-filter:blur(18px) saturate(140%);
}
.bubble-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{
  width:34px;height:34px;border-radius:50%;flex:0 0 34px;
  background:linear-gradient(135deg,rgba(53,224,184,.4),rgba(140,123,255,.4));
  display:grid;place-items:center;font-size:13px;font-weight:700;color:#EAF1FF;
  border:1px solid rgba(255,255,255,.14);
}
.bubble-name{font-size:14px;font-weight:700;color:var(--t1)}
.bubble-time{font-size:12px;color:var(--t3);margin-left:auto}
.bubble-text{font-size:14.5px;color:var(--t2);margin:0;line-height:1.75}
.danmu{
  margin-top:22px;overflow-x:auto;white-space:nowrap;
  border-radius:var(--r-pill);background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:11px 22px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.danmu::-webkit-scrollbar{display:none}
.danmu span{font-size:13.5px;color:var(--t3);margin-right:34px}
.danmu span::before{content:"·";color:var(--c-primary);margin-right:10px;font-weight:800}

/* ============ 资讯列表 ============ */
.news-card{
  display:block;height:100%;border-radius:var(--r-md);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-top:1px solid var(--line-top);
  backdrop-filter:blur(18px) saturate(140%);
  color:inherit;text-decoration:none;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,184,.35)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px 18px 20px}
.badge-cat{
  display:inline-block;padding:3px 9px;border-radius:8px;margin-bottom:10px;
  background:rgba(140,123,255,.18);border:1px solid rgba(140,123,255,.35);
  color:#BDB3FF;font-size:12px;font-weight:600;
}
.news-body h3{
  font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--t2);line-height:1.75;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-time{font-size:12.5px;color:var(--t3)}
.cms-empty{
  text-align:center;padding:64px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px dashed rgba(255,255,255,.16);
}
.cms-empty i{font-size:34px;color:var(--t3);margin-bottom:16px;display:block}
.cms-empty p{color:var(--t2);font-size:15px;margin-bottom:20px}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:34px 38px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(53,224,184,.12),rgba(140,123,255,.10) 55%,rgba(255,106,77,.10));
  border:1px solid rgba(255,255,255,.12);border-top:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(18px) saturate(140%);
}
.cta-bar h2{font-size:clamp(20px,2.2vw,27px);margin-bottom:8px}
.cta-bar p{color:var(--t2);font-size:15px;margin:0}

/* ============ FAQ ============ */
.faq-item{
  border-radius:16px;margin-bottom:12px;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-top:1px solid var(--line-top);
  transition:border-color .25s ease;
}
.faq-item[open]{border-color:rgba(53,224,184,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;
  padding:18px 22px;font-size:16px;font-weight:700;color:var(--t1);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);opacity:0;transition:opacity .25s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-q{flex:1}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--t3);border-radius:2px;transition:all .28s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-item[open] .faq-icon::before{background:var(--c-primary)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--t2);line-height:1.85}
.faq-body p:last-child{margin-bottom:0}

/* ============ 页脚 ============ */
.site-footer{background:#060A12;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--t3);line-height:1.8;margin:0;max-width:300px}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px}
.footer-links a{display:block;font-size:14px;color:var(--t2);padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--c-primary)}
.footer-note{font-size:13.5px;color:var(--t3);line-height:1.9;margin:0}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
  font-size:13.5px;color:var(--t3);display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .clip-item{flex:0 0 216px}
}
@media (max-width:991px){
  .nav-links,.nav-search,.nav-cta{display:none}
  .nav-toggle{display:grid}
  .hero{padding:48px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .phone-card{max-width:268px}
  .hero-sub{max-width:none}
  .section{padding:72px 0}
  .clip-item{flex:0 0 208px}
  .seed-num{flex:0 0 58px;font-size:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .hero{padding:38px 0 60px}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
  .clip-item{flex:0 0 178px}
  .clip-play{width:42px;height:42px;font-size:14px}
  .seed-item{gap:16px;padding:22px 8px}
  .seed-num{flex:0 0 46px;font-size:28px;-webkit-text-stroke-width:1px}
  .bubble{flex:0 0 250px}
  .cta-bar{padding:26px 20px}
  .cta-bar .btn-glow,.cta-bar .btn-ghost{width:100%}
  .faq-item summary{padding:16px 16px;font-size:15px;gap:12px}
  .faq-body{padding:0 16px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --bg-deep:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.08);
  --line-top:rgba(255,255,255,.14);
  --c-primary:#35E0B8;
  --c-accent:#FF6A4D;
  --c-violet:#8C7BFF;
  --t1:#EAF1FF;
  --t2:#9DB0CC;
  --t3:#6B7C99;
  --ink:#16233A;
  --ink-2:#4C5F7A;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 40px rgba(0,0,0,.45);
  --glow:0 10px 30px rgba(53,224,184,.28);
  --nav-sh:0 4px 16px rgba(10,20,40,.06);
  --nav-sh-2:0 10px 28px rgba(10,20,40,.14);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease,box-shadow .25s ease,transform .25s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.narrow{max-width:820px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#FFFFFF;
  border-bottom:1px solid #E8EDF5;
  box-shadow:var(--nav-sh);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:var(--nav-sh-2);}
.header-inner{display:flex;align-items:center;gap:22px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#35E0B8 0%,#2BB8D6 55%,#8C7BFF 100%);
  color:#05131A;font-size:15px;
  box-shadow:0 6px 16px rgba(53,224,184,.35);
}
.brand-text{font-size:16px;font-weight:800;color:#12203A;white-space:nowrap;letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-links a{
  display:inline-block;padding:8px 15px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:#42536E;
}
.nav-links a:hover{color:#0F8F78;background:#EFFBF7;}
.nav-links a.active{color:#0B6B5B;background:rgba(53,224,184,.16);box-shadow:inset 0 0 0 1px rgba(53,224,184,.35);}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:14px;font-size:13px;color:#98A8C0;pointer-events:none;}
.search-box input{
  width:200px;height:40px;border-radius:var(--r-pill);border:1px solid transparent;
  background:#F2F5FA;color:#16233A;font-size:14px;padding:0 16px 0 36px;
  transition:border-color .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.search-box input::placeholder{color:#A6B4C8;}
.search-box input:focus{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(53,224,184,.14);outline:none;}
.btn-nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);border:none;
  background:linear-gradient(135deg,#35E0B8,#1FBFD8);
  color:#04191B;font-size:14.5px;font-weight:700;white-space:nowrap;
  box-shadow:var(--glow);
}
.btn-nav-cta:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(53,224,184,.4);color:#04191B;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid #E2E9F3;background:#F7F9FC;
  color:#22334F;font-size:17px;align-items:center;justify-content:center;
}
.mobile-panel{
  display:none;background:#FFFFFF;border-top:1px solid #EDF1F7;
  padding:14px 24px 22px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:12px 4px;font-size:15px;font-weight:600;color:#31425D;border-bottom:1px solid #F0F3F8;}
.mobile-panel a:last-child{border-bottom:none;}
.mobile-panel a.active{color:#0B6B5B;}

/* ============ 文章头 ============ */
.article-hero{
  position:relative;
  padding:64px 0 56px;
  background:
    linear-gradient(180deg,rgba(5,8,15,.86) 0%,rgba(5,8,15,.94) 62%,var(--bg-deep) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;left:50%;top:-140px;transform:translateX(-50%);
  width:760px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,184,.20),rgba(53,224,184,0) 68%);
  pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t3);margin-bottom:22px;position:relative;z-index:2;}
.crumbs a{color:var(--t2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#39465C;}
.crumbs .now{color:var(--t1);}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(140,123,255,.16);
  border:1px solid rgba(140,123,255,.34);
  color:#C6BEFF;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-hero h1{
  font-size:clamp(27px,4vw,46px);
  font-weight:800;
  margin:18px 0 18px;
  max-width:900px;
  position:relative;z-index:2;
}
.hero-sub{
  max-width:720px;color:var(--t2);font-size:16.5px;line-height:1.8;
  position:relative;z-index:2;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:26px;font-size:13.5px;color:var(--t3);position:relative;z-index:2;
}
.meta-row .m{display:inline-flex;align-items:center;gap:7px;}
.meta-row .m i{color:var(--c-primary);font-size:12.5px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#31405A;}

/* ============ 正文布局 ============ */
.article-section{padding:56px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.article-panel{
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-top-color:var(--line-top);
  border-radius:var(--r-lg);
  padding:40px 44px 46px;
  box-shadow:var(--sh-1);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  min-width:0;
}
.article-body{font-size:16.5px;line-height:1.9;color:#D7E2F4;}
.article-body > * + *{margin-top:18px;}
.article-body p{margin:0 0 18px;}
.article-body > p:first-of-type{
  border-left:3px solid var(--c-primary);
  padding:4px 0 4px 18px;
  color:#E7EEFB;
  font-size:17px;
  background:linear-gradient(90deg,rgba(53,224,184,.08),rgba(53,224,184,0) 70%);
  border-radius:0 8px 8px 0;
  margin-bottom:26px;
}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);color:#fff;font-weight:700;
  margin:40px 0 16px;padding-left:18px;line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:5px;height:.95em;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),#1FBFD8);
  box-shadow:0 0 12px rgba(53,224,184,.6);
}
.article-body h3{font-size:19px;color:#EFF5FF;font-weight:700;margin:30px 0 12px;}
.article-body h4{font-size:16.5px;color:#E3EBF9;font-weight:700;margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;color:#CBD8EC;}
.article-body li{margin-bottom:9px;}
.article-body li::marker{color:var(--c-primary);}
.article-body a{color:var(--c-primary);border-bottom:1px dashed rgba(53,224,184,.5);}
.article-body a:hover{color:#7BF3D6;border-bottom-style:solid;}
.article-body strong{color:#fff;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--glass);
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#C9D6EA;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;height:auto;border-radius:var(--r-md);
  border:1px solid var(--line);
  margin:26px 0 10px;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13.5px;color:var(--t3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:24px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th{
  background:var(--glass-2);color:#EAF1FF;font-weight:700;
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.05);color:#C6D3E8;}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:34px 0;}

/* 空态 */
.article-empty{text-align:center;padding:56px 20px;color:var(--t2);}
.article-empty .ico{
  width:66px;height:66px;margin:0 auto 18px;border-radius:20px;
  display:grid;place-items:center;font-size:26px;color:var(--c-primary);
  background:rgba(53,224,184,.1);border:1px solid rgba(53,224,184,.3);
}
.article-empty h2{color:#fff;font-size:22px;margin-bottom:12px;}
.article-empty p{max-width:440px;margin:0 auto 24px;font-size:15px;color:var(--t2);}

/* 标签与分享 */
.article-foot-tools{
  display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;
  margin-top:38px;padding-top:26px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .lab{font-size:12.5px;color:var(--t3);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--glass-2);border:1px solid var(--line);
  font-size:12.5px;color:var(--t2);
}
.tag:hover{color:var(--c-primary);border-color:rgba(53,224,184,.45);}
.share-row{display:flex;align-items:center;gap:10px;}
.share-row .lab{font-size:12.5px;color:var(--t3);}
.share-btn{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--glass-2);border:1px solid var(--line);color:var(--t2);font-size:14px;
}
.share-btn:hover{color:#05131A;background:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px);}

/* 上一篇/下一篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px;}
.post-nav a{
  display:block;padding:18px 20px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.post-nav a:hover{transform:translateY(-2px);border-color:rgba(53,224,184,.45);box-shadow:var(--sh-1);}
.post-nav .dir{font-size:12.5px;color:var(--t3);letter-spacing:.06em;display:block;margin-bottom:8px;}
.post-nav .txt{font-size:15px;font-weight:600;color:#E4ECFA;display:block;line-height:1.6;}
.post-nav .post-next{text-align:right;}

/* 侧栏 */
.article-side{position:sticky;top:88px;display:grid;gap:20px;}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-top-color:var(--line-top);
  border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--sh-1);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.side-title{
  font-size:13px;font-weight:700;color:var(--t2);letter-spacing:.08em;
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-primary);}
.side-links{display:grid;gap:4px;}
.side-links a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--t2);
}
.side-links a i{font-size:12px;color:var(--c-primary);}
.side-links a:hover{background:var(--glass-2);color:#fff;}
.side-note{font-size:13.5px;color:var(--t3);line-height:1.85;}
.side-steps{display:grid;gap:12px;counter-reset:s;}
.side-steps li{
  list-style:none;display:flex;gap:12px;font-size:13.5px;color:var(--t2);line-height:1.7;
}
.side-steps li span.n{
  flex:0 0 24px;height:24px;border-radius:8px;display:grid;place-items:center;
  background:rgba(53,224,184,.12);border:1px solid rgba(53,224,184,.35);
  color:var(--c-primary);font-size:12px;font-weight:700;
}

/* 相关推荐 */
.related-section{padding:0 0 88px;}
.sec-head{margin-bottom:28px;}
.sec-eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--c-primary);
  text-transform:uppercase;display:inline-block;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(21px,2.4vw,30px);color:#fff;}
.sec-head p{color:var(--t2);font-size:15px;margin-top:10px;max-width:660px;}
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.rcard{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-top-color:var(--line-top);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,184,.4);}
.rcard .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0E1728,#0A1120);}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;filter:brightness(1.02);}
.rcard:hover .thumb img{transform:scale(1.04);}
.rcard .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.05),rgba(5,8,15,.55));}
.rcard .badge-cat{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 10px;border-radius:var(--r-pill);font-size:11.5px;font-weight:600;
  background:rgba(140,123,255,.22);border:1px solid rgba(140,123,255,.42);color:#CFC8FF;
  backdrop-filter:blur(6px);
}
.rcard .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rcard h3{font-size:15.5px;color:#E9F0FD;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard p{font-size:13.5px;color:var(--t3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rcard .foot{margin-top:auto;font-size:12.5px;color:#5C6C86;display:flex;align-items:center;gap:8px;}

/* CTA 条 */
.cta-section{padding:0 0 96px;}
.cta-bar{
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  padding:30px 34px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(53,224,184,.14),rgba(140,123,255,.12) 60%,rgba(255,106,77,.10));
  border:1px solid rgba(53,224,184,.28);
  box-shadow:var(--sh-1);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.cta-bar h2{font-size:clamp(19px,2.1vw,25px);color:#fff;margin-bottom:8px;}
.cta-bar p{font-size:14.5px;color:var(--t2);max-width:610px;}
.btn-main{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 28px;border-radius:var(--r-pill);border:none;
  background:linear-gradient(135deg,#35E0B8,#1FBFD8);
  color:#04191B;font-size:15px;font-weight:700;
  box-shadow:var(--glow);
}
.btn-main:hover{transform:translateY(-1px);box-shadow:0 16px 38px rgba(53,224,184,.42);color:#04191B;}
.btn-main:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(53,224,184,.3);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.18);
  color:#DDE7F8;font-size:15px;font-weight:600;
}
.btn-ghost:hover{border-color:rgba(53,224,184,.5);color:#fff;background:rgba(53,224,184,.08);}

/* 页脚 */
.site-footer{background:#060A12;border-top:1px solid rgba(255,255,255,.07);padding:66px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:10px;font-size:14px;}
.footer-brand .brand-text{font-size:15.5px;font-weight:800;color:#EAF1FF;}
.footer-desc{font-size:13.5px;color:var(--t3);line-height:1.9;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:#EAF1FF;margin-bottom:16px;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14px;color:var(--t2);width:fit-content;}
.footer-links a:hover{color:var(--c-primary);}
.footer-note{font-size:13.5px;color:var(--t3);line-height:1.9;}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#5D6C86;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-tools{gap:10px;}
  .article-hero{padding:52px 0 46px;}
  .article-panel{padding:32px 28px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .article-section{padding:44px 0 70px;}
  .related-section,.cta-section{padding-bottom:72px;}
}
@media (max-width:767.98px){
  .article-side{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .post-next{text-align:left;}
  .article-foot-tools{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-left:20px;padding-right:20px;}
  .brand-text{font-size:15px;}
  .article-hero h1{font-size:25px;}
  .hero-sub{font-size:15px;}
  .article-panel{padding:26px 20px 30px;border-radius:var(--r-md);}
  .article-body{font-size:16px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-bar{padding:24px 22px;}
  .btn-main,.btn-ghost{width:100%;justify-content:center;}
}

/* roulang page: category1 */
:root{
  --bg-deep:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --glass-line:rgba(255,255,255,.08);
  --glass-top:rgba(255,255,255,.14);
  --c-primary:#35E0B8;
  --c-primary-deep:#12A98A;
  --c-accent:#FF6A4D;
  --c-violet:#8C7BFF;
  --t1:#EAF1FF;
  --t2:#9DB0CC;
  --t3:#6B7C99;
  --nav-bg:#FFFFFF;
  --nav-line:#E8EDF5;
  --ink:#0C1526;
  --ink-2:#4A5A75;
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(0,0,0,.35);
  --sh-2:0 18px 40px rgba(0,0,0,.45);
  --sh-glow:0 10px 30px rgba(53,224,184,.28);
  --space:8px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg-deep);
  color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
.num{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,sans-serif;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:var(--nav-bg);
  border-bottom:1px solid var(--nav-line);
  box-shadow:0 4px 16px rgba(10,20,40,.06);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(10,20,40,.14);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#17BB98,#35E0B8 55%,#8C7BFF);
  color:#04231C;font-size:15px;
  box-shadow:0 6px 16px rgba(53,224,184,.35);
}
.brand-text{
  color:var(--ink);font-size:17px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;
  color:var(--ink-2);font-size:15px;font-weight:600;
  padding:8px 14px;border-radius:var(--r-pill);
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--ink);background:#F2F5FA;}
.nav-links a.active{color:#0B5F4C;background:rgba(53,224,184,.18);}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-primary-deep);
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--r-pill);
  background:#F2F5FA;border:1px solid transparent;
  transition:border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.search-box i{color:#8A9AB5;font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:158px;
}
.search-box input::placeholder{color:#98A6BD;}
.search-box:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(53,224,184,.16);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-pill);border:0;
  font-size:14.5px;font-weight:700;color:#04231C;
  background:linear-gradient(135deg,#3FEBC1,#1FC79F);
  box-shadow:0 8px 22px rgba(53,224,184,.32);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn-glow:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 32px rgba(53,224,184,.42);color:#04231C;}
.btn-glow:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(53,224,184,.26);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:700;color:var(--t1);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.18);
  transition:border-color .22s ease,color .22s ease,transform .22s ease,background .22s ease;
}
.btn-ghost:hover{border-color:rgba(53,224,184,.55);color:#FFFFFF;background:rgba(53,224,184,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--nav-line);background:#F2F5FA;color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
}
.mobile-panel{
  display:none;background:#fff;border-top:1px solid var(--nav-line);
  padding:18px 20px 24px;
}
.mobile-panel.open{display:block;}
.mobile-panel .m-link{
  display:block;padding:12px 14px;border-radius:12px;
  color:var(--ink);font-size:15.5px;font-weight:600;
}
.mobile-panel .m-link.active{background:rgba(53,224,184,.18);color:#0B5F4C;}
.mobile-panel .m-search{margin-top:14px;}
.mobile-panel .m-search .search-box{width:100%;}
.mobile-panel .m-search .search-box input{width:100%;}
.mobile-panel .m-cta{margin-top:14px;width:100%;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background:var(--bg-1);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(120%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.72) 0%,rgba(5,8,15,.9) 55%,var(--bg-deep) 100%);
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--t3);margin-bottom:18px;
}
.breadcrumb-line a{color:var(--t2);transition:color .2s ease;}
.breadcrumb-line a:hover{color:var(--c-primary);}
.breadcrumb-line i{font-size:10px;color:var(--t3);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(140,123,255,.16);
  border:1px solid rgba(140,123,255,.34);
  color:#C6BEFF;font-size:12.5px;font-weight:600;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.28;
  max-width:880px;
}
.hero-sub{
  margin-top:16px;max-width:700px;
  color:var(--t2);font-size:16.5px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;
  padding-top:22px;border-top:1px solid var(--glass-line);
}
.trust-item{display:flex;align-items:center;gap:10px;color:var(--t2);font-size:13.5px;}
.trust-item i{color:var(--c-primary);font-size:14px;}
.trust-item b{color:var(--t1);font-weight:700;}

/* ---------- sections ---------- */
.section{padding:72px 0;}
.section.alt{background:var(--bg-1);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.4;}
.section-sub{margin-top:12px;color:var(--t2);font-size:15.5px;line-height:1.85;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);margin-bottom:12px;text-transform:uppercase;
}

/* ---------- 胶囊筛选条 ---------- */
.chip-bar{
  display:flex;gap:10px;flex-wrap:nowrap;overflow-x:auto;
  padding:6px 2px 16px;margin-bottom:14px;
  scrollbar-width:thin;
}
.chip-bar::-webkit-scrollbar{height:4px;}
.chip-bar::-webkit-scrollbar-thumb{background:rgba(53,224,184,.45);border-radius:4px;}
.chip{
  flex:0 0 auto;
  padding:9px 20px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--t2);font-size:14px;font-weight:600;cursor:pointer;
  transition:all .22s ease;
}
.chip:hover{color:var(--t1);border-color:rgba(53,224,184,.4);}
.chip.active{
  background:linear-gradient(135deg,#3FEBC1,#1FC79F);
  border-color:transparent;color:#04231C;
  box-shadow:0 8px 20px rgba(53,224,184,.28);
}

/* ---------- 竖屏卡栅格 ---------- */
.grid-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.v-card{display:flex;flex-direction:column;gap:12px;}
.v-card.hide{display:none;}
.v-card .media{
  position:relative;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-line);
  background:linear-gradient(160deg,rgba(140,123,255,.22),rgba(5,8,15,.75));
  box-shadow:var(--sh-1);
  transition:box-shadow .3s ease,transform .3s ease;
}
.v-card:hover .media{box-shadow:var(--sh-2);transform:translateY(-4px);}
.v-card .media img{
  width:100%;height:100%;object-fit:cover;
  filter:brightness(.82) saturate(108%);
  transition:transform .32s ease,filter .32s ease;
}
.v-card:hover .media img{transform:scale(1.04);filter:brightness(.94);}
.media-badge{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(140,123,255,.72);color:#fff;
  font-size:12px;font-weight:600;backdrop-filter:blur(6px);
}
.media-time{
  position:absolute;right:12px;bottom:12px;z-index:3;
  padding:3px 10px;border-radius:8px;
  background:rgba(255,106,77,.88);color:#fff;
  font-size:12px;font-weight:700;
}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:4;
  width:52px;height:52px;border-radius:50%;border:0;
  background:rgba(255,106,77,.94);color:#fff;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(255,106,77,.4);
  transition:transform .26s ease,background .26s ease;
}
.v-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.08);background:#FF6A4D;}
.v-card .card-title{
  font-size:16px;font-weight:700;line-height:1.55;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.v-card .card-meta{font-size:13px;color:var(--t3);}

/* ---------- 要点清单 ---------- */
.check-list{border-top:1px solid rgba(255,255,255,.06);}
.check-item{
  display:grid;grid-template-columns:88px 1fr auto;gap:22px;align-items:flex-start;
  padding:26px 4px;border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .25s ease;
}
.check-item:hover{background:rgba(255,255,255,.03);}
.check-num{
  font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px var(--c-primary);
  font-family:Inter,system-ui,sans-serif;
}
.check-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.check-body p{color:var(--t2);font-size:15px;line-height:1.85;max-width:720px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.tag{
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(53,224,184,.1);border:1px solid rgba(53,224,184,.24);
  color:#8FEFD6;font-size:12px;font-weight:600;
}
.tag.violet{background:rgba(140,123,255,.14);border-color:rgba(140,123,255,.3);color:#C6BEFF;}
.check-side{
  font-size:12.5px;color:var(--t3);white-space:nowrap;padding-top:6px;
}

/* ---------- 四步流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-card{
  position:relative;
  background:var(--glass);border:1px solid var(--glass-line);
  border-top:1px solid var(--glass-top);
  border-radius:var(--r-md);padding:26px 22px;
  backdrop-filter:blur(18px) saturate(140%);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(53,224,184,.32);}
.flow-card .fc-num{
  font-size:13px;font-weight:800;color:var(--c-primary);
  letter-spacing:.12em;margin-bottom:14px;
  font-family:Inter,system-ui,sans-serif;
}
.flow-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.flow-card p{color:var(--t2);font-size:14.5px;line-height:1.8;}
.flow-line{
  margin-top:26px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,rgba(53,224,184,.9),rgba(140,123,255,.55),rgba(255,255,255,.05));
}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scene-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--glass);border:1px solid var(--glass-line);
  border-top:1px solid var(--glass-top);
  border-radius:var(--r-md);padding:24px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.scene-card:hover{transform:translateY(-3px);border-color:rgba(53,224,184,.3);box-shadow:var(--sh-2);}
.scene-icon{
  flex:0 0 46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(53,224,184,.12);border:1px solid rgba(53,224,184,.26);
  color:var(--c-primary);font-size:17px;
}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.scene-card p{color:var(--t2);font-size:14.5px;line-height:1.8;}

/* ---------- 数据横条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:22px;align-items:center;
  background:linear-gradient(120deg,rgba(140,123,255,.12),rgba(53,224,184,.06));
  border:1px solid var(--glass-line);border-top:1px solid var(--glass-top);
  border-radius:var(--r-lg);padding:30px 32px;
  backdrop-filter:blur(18px) saturate(140%);
}
.stat-strip .strip-lead h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.stat-strip .strip-lead p{color:var(--t2);font-size:14.5px;line-height:1.8;}
.stat-block{text-align:left;}
.stat-block .num{
  font-size:30px;font-weight:800;color:var(--c-primary);line-height:1.2;
  letter-spacing:-.02em;
}
.stat-block span{display:block;margin-top:6px;font-size:13px;color:var(--t3);}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:16px;overflow:hidden;margin-bottom:12px;
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  background:transparent;color:var(--t1);
  font-size:16px;font-weight:700;line-height:1.6;
  padding:18px 20px;box-shadow:none;border-radius:16px;
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(53,224,184,.07);color:var(--t1);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 2px rgba(53,224,184,.5);border-radius:16px;}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  width:26px;height:26px;flex:0 0 26px;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;color:var(--c-primary);
  border:1px solid rgba(53,224,184,.42);border-radius:9px;
  transition:transform .3s ease,content .3s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);}
.faq-acc .accordion-body{
  color:var(--t2);font-size:15px;line-height:1.85;
  padding:4px 22px 22px;max-width:840px;
}

/* ---------- CTA ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(53,224,184,.12),rgba(140,123,255,.14));
  border:1px solid var(--glass-line);border-top:1px solid var(--glass-top);
  border-radius:var(--r-lg);padding:34px 36px;
  backdrop-filter:blur(18px) saturate(140%);
}
.cta-bar h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.45;}
.cta-bar p{color:var(--t2);font-size:15px;margin-top:10px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:#060A12;padding:60px 0 26px;margin-top:24px;border-top:1px solid var(--glass-line);}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:14px;}
.footer-brand .brand-text{color:var(--t1);font-size:16px;font-weight:800;}
.footer-desc{color:var(--t2);font-size:14px;line-height:1.85;max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--t2);font-size:14px;transition:color .2s ease;}
.footer-links a:hover{color:var(--c-primary);}
.footer-note{color:var(--t2);font-size:14px;line-height:1.85;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;color:var(--t3);font-size:13px;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:16px;}
  .search-box input{width:120px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:58px;}
  .section{padding:60px 0;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .check-item{grid-template-columns:60px 1fr;gap:16px;}
  .check-side{display:none;}
}
@media (max-width:767px){
  .hero{padding:40px 0 52px;}
  .section{padding:52px 0;}
  .grid-cards{grid-template-columns:repeat(2,1fr);gap:14px;}
  .v-card .card-title{font-size:14.5px;}
  .media-badge{font-size:11px;padding:3px 9px;}
  .media-time{font-size:11px;}
  .play-btn{width:42px;height:42px;font-size:14px;}
  .flow-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;padding:26px 22px;}
  .cta-bar{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .trust-row{gap:14px;flex-direction:column;}
  .check-num{font-size:26px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:15px;}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%;}
}

/* roulang page: category2 */
:root{
  --bg-page:#F4F7FC;
  --bg-soft:#FFFFFF;
  --bg-deep:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0E1728;
  --c-primary:#12C296;
  --c-primary-bright:#35E0B8;
  --c-primary-deep:#0A8F6C;
  --c-primary-text:#0B8E6C;
  --c-accent:#FF6A4D;
  --c-violet:#8C7BFF;
  --t1:#0E1A2B;
  --t2:#4C5D78;
  --t3:#8697AE;
  --d-t1:#EAF1FF;
  --d-t2:#9DB0CC;
  --line:#E3EAF4;
  --glass-bg:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.08);
  --glass-top:rgba(255,255,255,.14);
  --r-sm:14px;
  --r-md:18px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(16,32,64,.06);
  --sh-2:0 18px 40px rgba(16,32,64,.14);
  --sh-glow:0 10px 30px rgba(18,194,150,.30);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,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:1.85;
  color:var(--t1);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .24s ease,border-color .24s ease,background-color .24s ease;}
a:hover{color:var(--c-primary-text);}
button{font-family:inherit;}
h1,h2,h3,h4{letter-spacing:-.01em;margin:0;color:var(--t1);font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px;}

.container{
  width:100% !important;
  max-width:1200px !important;
  margin-left:auto !important;
  margin-right:auto !important;
  padding-left:20px !important;
  padding-right:20px !important;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#FFFFFF;
  border-bottom:1px solid #E8EDF5;
  box-shadow:0 4px 16px rgba(10,20,40,.06);
  transition:box-shadow .28s ease;
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(10,20,40,.12);}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary-bright),var(--c-primary-deep));
  color:#04231C;font-size:15px;
  box-shadow:0 6px 16px rgba(18,194,150,.32);
}
.brand-text{font-size:16px;font-weight:700;color:var(--t1);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:4px;}
.nav-links a{
  position:relative;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--t2);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--t1);background:#F1F5FB;}
.nav-links a.active{color:var(--c-primary-text);background:rgba(18,194,150,.10);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:#F2F5FA;border:1px solid transparent;
  border-radius:var(--r-pill);
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.search-box i{color:var(--t3);font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--t1);width:170px;font-family:inherit;
}
.search-box input::placeholder{color:var(--t3);}
.search-box:focus-within{background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,194,150,.14);}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border:0;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#1ED2A2,#0A8F6C);
  color:#fff;font-size:14.5px;font-weight:700;white-space:nowrap;
  box-shadow:var(--sh-glow);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 16px 36px rgba(18,194,150,.40);}
.btn-cta:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(18,194,150,.28);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--t1);
  font-size:16px;align-items:center;justify-content:center;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 20px 22px;}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:15.5px;color:var(--t2);font-weight:500;
}
.mobile-panel a.active{background:rgba(18,194,150,.10);color:var(--c-primary-text);font-weight:700;}
.mobile-panel .mobile-search{
  display:flex;align-items:center;gap:8px;height:44px;margin-bottom:12px;
  padding:0 14px;background:#F2F5FA;border-radius:var(--r-pill);
}
.mobile-panel .mobile-search input{border:0;background:transparent;outline:none;font-size:14px;width:100%;font-family:inherit;}
.mobile-panel .btn-cta{width:100%;margin-top:12px;height:44px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:34px 0 56px;
  background:
    radial-gradient(900px 420px at 88% -12%,rgba(18,194,150,.16),transparent 62%),
    radial-gradient(700px 380px at 4% 8%,rgba(140,123,255,.12),transparent 60%),
    linear-gradient(180deg,#FFFFFF 0%,#F4F7FC 100%);
  overflow:hidden;
}
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--t3);margin-bottom:26px;
}
.breadcrumb-bar a{color:var(--t2);}
.breadcrumb-bar a:hover{color:var(--c-primary-text);}
.breadcrumb-bar .sep{color:#C3CEDD;}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(140,123,255,.12);color:#5C4BD6;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.28;font-weight:800;margin:18px 0 16px;
}
.hero-sub{
  font-size:17px;color:var(--t2);max-width:560px;line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px;}
.btn-main{
  display:inline-flex;align-items:center;gap:9px;
  height:50px;padding:0 30px;border:0;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#1ED2A2,#0A8F6C);
  color:#fff;font-size:15.5px;font-weight:700;
  box-shadow:var(--sh-glow);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-main:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 18px 40px rgba(18,194,150,.42);}
.btn-main:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(18,194,150,.28);}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;
  height:50px;padding:0 28px;border-radius:var(--r-pill);
  border:1px solid #CBD8E8;background:rgba(255,255,255,.7);
  color:var(--t1);font-size:15.5px;font-weight:600;
  backdrop-filter:blur(8px);
  transition:border-color .22s ease,color .22s ease,transform .22s ease,background-color .22s ease;
}
.btn-line:hover{border-color:rgba(18,194,150,.55);color:var(--c-primary-text);background:#fff;transform:translateY(-1px);}
.btn-line:active{transform:translateY(1px);}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;padding-top:6px;}
.hero-meta div{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t2);}
.hero-meta i{color:var(--c-primary);font-size:14px;}
.hero-meta strong{font-variant-numeric:tabular-nums;color:var(--t1);font-size:15px;font-weight:700;}

.hero-visual{position:relative;}
.frame{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:#E8EEF7;box-shadow:var(--sh-2);
}
.frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 45%,rgba(5,8,15,.55) 100%);
  pointer-events:none;
}
.frame img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.frame:hover img{transform:scale(1.04);}
.ratio-hero{aspect-ratio:16/11;}
.ratio-wide{aspect-ratio:16/10;}
.ratio-card{aspect-ratio:16/9;}
.visual-chip{
  position:absolute;left:-14px;bottom:26px;
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--r-md);
  background:rgba(10,17,32,.86);
  border:1px solid var(--glass-line);
  border-top-color:var(--glass-top);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 18px 40px rgba(0,0,0,.35);
  color:var(--d-t1);font-size:13.5px;font-weight:600;
}
.visual-chip i{color:var(--c-primary-bright);}
.visual-chip span b{display:block;font-size:12px;font-weight:500;color:var(--d-t2);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head h2{
  font-size:clamp(22px,2.5vw,34px);line-height:1.34;font-weight:700;margin:14px 0 14px;
}
.section-sub{font-size:16px;color:var(--t2);}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.tag-pill.green{background:rgba(18,194,150,.13);color:var(--c-primary-text);}
.tag-pill.violet{background:rgba(140,123,255,.14);color:#5C4BD6;}
.tag-pill.orange{background:rgba(255,106,77,.14);color:#D94627;}

/* ============ 时间线板块 ============ */
.timeline-layout{
  display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:46px;align-items:start;
}
.timeline-visual .frame{border-radius:var(--r-lg);}
.visual-points{margin-top:22px;display:grid;gap:12px;}
.visual-points li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:14.5px;color:var(--t2);
}
.visual-points i{color:var(--c-primary);margin-top:6px;font-size:13px;}
.visual-note{
  margin-top:20px;padding:16px 18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  font-size:14px;color:var(--t2);
}
.timeline-list{position:relative;padding-left:0;}
.timeline-list::before{
  content:"";position:absolute;left:23px;top:16px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,rgba(18,194,150,.30) 70%,rgba(18,194,150,0) 100%);
  border-radius:2px;
}
.timeline-item{
  position:relative;display:grid;grid-template-columns:48px minmax(0,1fr);gap:20px;
  padding-bottom:26px;
}
.timeline-no{
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);
  font-weight:800;font-size:15px;color:var(--c-primary-text);
  font-variant-numeric:tabular-nums;
}
.timeline-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.timeline-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E2F0;}
.timeline-body h3{font-size:18px;margin-bottom:8px;}
.timeline-body p{font-size:14.6px;color:var(--t2);}
.timeline-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.timeline-tags span{
  padding:3px 11px;border-radius:var(--r-pill);
  background:#F2F6FB;color:var(--t2);font-size:12px;font-weight:600;
}

/* ============ 症状对照 ============ */
.symptom-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;
}
.sym-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.sym-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6E2F0;}
.sym-card h3{font-size:17px;line-height:1.5;margin:14px 0 16px;}
.sym-rows{display:grid;gap:12px;margin-top:auto;}
.sym-row{
  padding:12px 14px;border-radius:12px;background:#F7FAFD;
  border-left:3px solid #D7E3F1;
}
.sym-row.act{border-left-color:var(--c-primary);background:rgba(18,194,150,.07);}
.sym-row dt{
  font-size:12px;font-weight:700;color:var(--t3);letter-spacing:.03em;margin-bottom:3px;
}
.sym-row dd{margin:0;font-size:14px;color:var(--t2);}

/* ============ 核对清单 ============ */
.check-wrap{background:linear-gradient(180deg,#EEF3FA 0%,#F4F7FC 100%);}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.check-card{
  border-radius:var(--r-lg);padding:30px 28px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.check-card.dark{
  background:
    radial-gradient(520px 260px at 90% -20%,rgba(53,224,184,.20),transparent 62%),
    linear-gradient(160deg,var(--bg-1),var(--bg-2));
  border:1px solid var(--glass-line);border-top-color:var(--glass-top);
  box-shadow:0 18px 40px rgba(0,0,0,.45);
  color:var(--d-t1);
}
.check-head{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.check-head i{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:16px;
  background:rgba(18,194,150,.13);color:var(--c-primary-text);
}
.check-card.dark .check-head i{background:rgba(53,224,184,.16);color:var(--c-primary-bright);}
.check-head h3{font-size:19px;}
.check-card.dark .check-head h3{color:var(--d-t1);}
.tick-list{display:grid;gap:14px;}
.tick-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.8px;color:var(--t2);line-height:1.75;}
.tick-list li i{color:var(--c-primary);margin-top:6px;font-size:13px;flex-shrink:0;}
.check-card.dark .tick-list li{color:var(--d-t2);}
.check-card.dark .tick-list li i{color:var(--c-primary-bright);}

/* ============ 反馈条 ============ */
.voiceline{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;
  scrollbar-width:thin;scrollbar-color:var(--c-primary) #E1E9F3;
  -webkit-overflow-scrolling:touch;
}
.voiceline::-webkit-scrollbar{height:4px;}
.voiceline::-webkit-scrollbar-track{background:#E1E9F3;border-radius:4px;}
.voiceline::-webkit-scrollbar-thumb{background:var(--c-primary);border-radius:4px;}
.voice-card{
  flex:0 0 340px;padding:20px 20px 18px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  border-top-color:#fff;
  box-shadow:var(--sh-1);
  backdrop-filter:blur(14px) saturate(130%);
}
.voice-top{display:flex;align-items:center;gap:11px;margin-bottom:12px;}
.voice-avatar{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#D7F3EA,#BFE6DA);
  color:var(--c-primary-deep);font-weight:800;font-size:13px;
}
.voice-name{font-size:14.5px;font-weight:700;}
.voice-time{font-size:12px;color:var(--t3);}
.voice-card p{font-size:14px;color:var(--t2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{background:#FFFFFF;}
.faq-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:start;}
.faq-col{display:grid;gap:12px;}
.faq-item{
  border-radius:16px;
  background:#F7FAFD;
  border:1px solid var(--line);
  border-left:3px solid transparent;
  padding:0 20px;
  transition:border-color .24s ease,background-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{
  border-left-color:var(--c-primary);
  background:#fff;
  box-shadow:var(--sh-1);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:700;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  background:rgba(18,194,150,.13);color:var(--c-primary-text);
  transition:transform .28s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{padding:0 0 20px;font-size:15px;color:var(--t2);line-height:1.85;}

/* ============ CTA 条 ============ */
.cta-bar{
  border-radius:var(--r-lg);
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  background:
    radial-gradient(680px 300px at 8% -40%,rgba(53,224,184,.24),transparent 60%),
    radial-gradient(520px 260px at 96% 130%,rgba(140,123,255,.22),transparent 62%),
    linear-gradient(150deg,var(--bg-1),var(--bg-2));
  border:1px solid var(--glass-line);
  border-top-color:var(--glass-top);
  box-shadow:0 22px 50px rgba(5,12,26,.42);
}
.cta-bar h2{color:var(--d-t1);font-size:clamp(20px,2.2vw,28px);margin-bottom:8px;}
.cta-bar p{color:var(--d-t2);font-size:15px;max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:#060A12;
  color:var(--d-t2);
  padding:66px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--glass-line);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary-bright),var(--c-primary-deep));
  color:#04231C;font-size:15px;
}
.footer-brand .brand-text{color:var(--d-t1);font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--d-t2);max-width:330px;}
.footer-title{font-size:14px;font-weight:700;color:var(--d-t1);margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--d-t2);}
.footer-links a:hover{color:var(--c-primary-bright);}
.footer-note{font-size:13.6px;line-height:1.85;color:var(--d-t2);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#6B7C99;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .symptom-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline-layout{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions{gap:10px;}
  .hero{padding:26px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-sub{max-width:100%;}
  .section{padding:72px 0;}
  .section.tight{padding:60px 0;}
  .check-grid{grid-template-columns:1fr;}
  .faq-columns{grid-template-columns:1fr;gap:12px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-bar{padding:32px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .header-inner{height:56px;gap:14px;}
  .brand-text{font-size:15px;}
  .hero-meta{gap:16px;}
  .visual-chip{left:12px;bottom:12px;}
  .symptom-grid{grid-template-columns:1fr;}
  .timeline-item{grid-template-columns:42px minmax(0,1fr);gap:14px;}
  .timeline-no{width:42px;height:42px;font-size:14px;}
  .timeline-list::before{left:20px;}
  .voice-card{flex:0 0 268px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .hero h1{font-size:26px;}
  .btn-main,.btn-line{width:100%;justify-content:center;}
  .btn-cta{padding:0 16px;font-size:13.5px;}
  .cta-bar{flex-direction:column;align-items:flex-start;}
  .cta-bar .btn-main{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}