/* roulang page: index */
:root{
  --c-primary:#0FA47A;
  --c-primary-2:#12C08A;
  --c-accent:#FF7A29;
  --c-alert:#E33F3F;
  --c-ink:#10161B;
  --c-ink-2:#1B242B;
  --c-bg:#F4F6F5;
  --c-bg-2:#EEF2F0;
  --c-card:#FFFFFF;
  --c-text:#16211E;
  --c-sub:#5C6B67;
  --c-muted:#8A9691;
  --c-line:rgba(16,22,27,.10);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(16,22,27,.06);
  --sh-2:0 12px 32px rgba(16,22,27,.12);
  --bs-primary:#0FA47A;
  --bs-body-color:#16211E;
  --bs-body-bg:#F4F6F5;
  --bs-border-color:rgba(16,22,27,.10);
  --bs-border-radius:16px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-2)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container-xl{width:100%;max-width:1320px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ---------- 倒计时条 ---------- */
.ticker{background:var(--c-ink);color:#F7FAF9;height:42px;display:flex;align-items:center;overflow:hidden}
.ticker-inner{display:flex;align-items:center;gap:14px;width:100%;height:42px;font-size:13px}
.ticker-dot{width:7px;height:7px;border-radius:50%;background:var(--c-alert);flex:0 0 auto}
.ticker-label{color:rgba(247,250,249,.72);white-space:nowrap}
.ticker-clock{font-variant-numeric:tabular-nums;font-weight:700;color:var(--c-alert);letter-spacing:.05em;font-size:15px;white-space:nowrap}
.ticker-btn{
  margin-left:auto;height:28px;padding:0 14px;border-radius:999px;border:1.5px solid rgba(18,192,138,.75);
  color:#9FEBD1;font-size:12.5px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.ticker-btn:hover{background:rgba(18,192,138,.16);color:#CFF7E9}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:66px}
.site-header.is-stuck .nav-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-text)}
.brand:hover{color:var(--c-text)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:66px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--c-sub);white-space:nowrap;
}
.site-header.is-stuck .nav-link{height:60px}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-text);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;border-radius:2px;
  background:var(--c-primary);
}
.site-header.is-stuck .nav-link.active::after{bottom:11px}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search input{
  width:190px;height:40px;border:1px solid var(--c-line);border-radius:999px;background:var(--c-bg-2);
  padding:0 18px;font-size:14px;color:var(--c-text);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(15,164,122,.14);
}
.btn-text-link{font-size:14.5px;font-weight:600;color:var(--c-sub);padding:6px 4px}
.btn-text-link:hover{color:var(--c-primary)}
.btn-arena{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:0;
  background:linear-gradient(135deg,#0FA47A,#12C08A);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 6px 18px rgba(15,164,122,.28);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-arena:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 24px rgba(15,164,122,.34)}
.btn-arena:active{transform:translateY(0)}
.btn-arena-sm{height:40px;padding:0 18px;font-size:14px}
.btn-outline-arena{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);background:transparent;
  border:1.5px solid var(--c-primary);color:var(--c-primary);font-size:15px;font-weight:700;
  transition:background .2s ease,transform .2s ease;
}
.btn-outline-arena:hover{background:rgba(15,164,122,.09);color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;
  border-radius:var(--r-btn);border:1.5px solid rgba(247,250,249,.5);background:transparent;
  color:#F7FAF9;font-size:15px;font-weight:700;transition:background .2s ease,color .2s ease;
}
.btn-ghost-light:hover{background:#F7FAF9;color:var(--c-ink)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--c-line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--c-text)}
.nav-drawer{
  display:none;border-top:1px solid var(--c-line);background:#fff;padding:14px 24px 20px;
}
.nav-drawer.open{display:block}
.nav-drawer a{
  display:block;padding:12px 0;font-size:15.5px;font-weight:600;color:var(--c-text);
  border-bottom:1px dashed var(--c-line);
}
.nav-drawer a:last-of-type{border-bottom:0}
.nav-drawer a.active{color:var(--c-primary)}
.nav-drawer .btn-arena{width:100%;margin-top:12px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-bg-2)}
.section-ink{background:var(--c-ink);color:#F7FAF9}
.section-ink h2,.section-ink h3{color:#F7FAF9}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.28}
.section-sub{margin-top:12px;font-size:15.5px;color:var(--c-sub)}
.section-ink .section-sub{color:rgba(247,250,249,.68)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(15,164,122,.12);color:#0B7D5D;font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 80px;background:
  radial-gradient(1200px 460px at 84% -12%, rgba(15,164,122,.14), transparent 62%),
  radial-gradient(760px 360px at 4% 8%, rgba(255,122,41,.10), transparent 60%),
  var(--c-bg);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--c-line);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin:20px 0 0;
}
.hero .lede{margin-top:18px;font-size:17px;color:var(--c-sub);max-width:60ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid var(--c-line)}
.hero-facts li{display:flex;align-items:baseline;gap:9px}
.hero-facts strong{font-size:23px;font-weight:800;color:var(--c-text);letter-spacing:-.01em}
.hero-facts span{font-size:13px;color:var(--c-muted)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-card);box-shadow:var(--sh-2);object-fit:cover;
  aspect-ratio:4/3;background:var(--c-bg-2);
}
.hero-badge{
  position:absolute;right:18px;bottom:18px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(16,22,27,.86);color:#CFF7E9;font-size:12.5px;font-weight:700;
  display:inline-flex;align-items:center;gap:7px;backdrop-filter:blur(2px);
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-alert)}
.hero-tagline{
  position:absolute;left:-14px;top:26px;height:34px;padding:0 16px;border-radius:10px;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:700;color:var(--c-accent);
}

/* ---------- 卖点横排 ---------- */
.feature-list{display:flex;flex-direction:column;gap:18px}
.feature-row{
  display:grid;grid-template-columns:118px minmax(0,1fr);gap:26px;align-items:start;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 32px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.feature-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.feature-num{
  font-size:46px;font-weight:800;line-height:.95;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1.6px var(--c-primary);
}
.feature-row h3{font-size:19px;margin-bottom:8px}
.feature-row p{font-size:15px;color:var(--c-sub);max-width:72ch}

/* ---------- 图墙 ---------- */
.wall-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:12px 12px 14px;box-shadow:var(--sh-1);height:100%;
  transition:transform .22s ease,box-shadow .22s ease;
}
.wall-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.wall-thumb{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--c-bg-2)}
.wall-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.wall-item:hover .wall-thumb img{transform:scale(1.04)}
.wall-tag{
  position:absolute;left:10px;top:10px;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(15,164,122,.9);color:#fff;font-size:11.5px;font-weight:700;
  display:inline-flex;align-items:center;letter-spacing:.02em;
}
.wall-tag.warm{background:rgba(255,122,41,.92)}
.wall-cap{padding:12px 4px 2px;font-size:14px;font-weight:600;color:var(--c-text)}
.wall-ratio-43{aspect-ratio:4/3}
.wall-ratio-34{aspect-ratio:3/4}
.wall-ratio-169{aspect-ratio:16/9}

/* ---------- 数据面板 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.stat-card{
  background:var(--c-ink-2);border:1px solid rgba(247,250,249,.10);border-radius:var(--r-card);
  padding:28px 26px;transition:transform .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:rgba(18,192,138,.45)}
.stat-card .k{font-size:12.5px;font-weight:700;letter-spacing:.06em;color:#9FEBD1;text-transform:uppercase}
.stat-card .v{margin-top:14px;font-size:34px;font-weight:800;line-height:1.1;color:#fff;letter-spacing:-.02em}
.stat-card .d{margin-top:10px;font-size:14px;color:rgba(247,250,249,.66)}
.quote-line{
  margin-top:26px;padding:24px 28px;border-left:3px solid var(--c-accent);border-radius:0 var(--r-card) var(--r-card) 0;
  background:rgba(247,250,249,.05);font-size:15px;color:rgba(247,250,249,.82);
}
.quote-line b{color:#fff}

/* ---------- CTA 表单带 ---------- */
.cta-band{
  position:relative;border-radius:22px;overflow:hidden;background:var(--c-ink);
  padding:52px 48px;color:#F7FAF9;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,22,27,.94) 0%,rgba(16,22,27,.78) 46%,rgba(16,22,27,.42) 100%),
             url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.9;
}
.cta-band > *{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:36px;align-items:center}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);line-height:1.3;color:#fff}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(247,250,249,.72)}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form .field{flex:1 1 210px}
.cta-form input{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid rgba(247,250,249,.22);
  background:rgba(247,250,249,.08);padding:0 16px;color:#fff;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(247,250,249,.5)}
.cta-form input:focus{
  outline:none;background:rgba(247,250,249,.14);border-color:var(--c-primary-2);
  box-shadow:0 0 0 4px rgba(18,192,138,.2);
}
.cta-form input.is-error{border-color:var(--c-alert);box-shadow:0 0 0 4px rgba(227,63,63,.18)}
.form-hint{margin-top:12px;font-size:13px;color:rgba(247,250,249,.6);min-height:20px}
.form-hint.error{color:#FF9A9A}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.news-head .more{font-size:14.5px;font-weight:700;display:inline-flex;align-items:center;gap:6px}
.news-head .more::after{content:"→";transition:transform .2s ease}
.news-head .more:hover::after{transform:translateX(4px)}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-card{
  display:flex;flex-direction:column;gap:12px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,164,122,.35)}
.news-card.news-lead{grid-column:1/-1;padding:30px 32px}
.news-badge{
  align-self:flex-start;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(15,164,122,.12);color:#0B7D5D;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;letter-spacing:.02em;
}
.news-title{font-size:18px;line-height:1.45;font-weight:700}
.news-lead .news-title{font-size:21px}
.news-card:hover .news-title{color:var(--c-primary)}
.news-sum{
  font-size:14.5px;color:var(--c-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line)}
.news-date{font-size:13px;color:var(--c-muted)}
.news-arrow{font-size:13.5px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.news-arrow::after{content:"→";transition:transform .2s ease}
.news-card:hover .news-arrow::after{transform:translateX(4px)}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--c-card);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.news-empty .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;display:grid;place-items:center;
  background:rgba(15,164,122,.12);color:var(--c-primary);font-size:22px;font-weight:800;
}
.news-empty p{color:var(--c-sub);font-size:15px;margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-arena{max-width:920px;margin:0 auto}
.faq-arena .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--c-line);border-radius:0;
}
.faq-arena .accordion-item:first-child{border-top:1px solid var(--c-line)}
.faq-arena .accordion-button{
  background:transparent;border-radius:0 !important;box-shadow:none !important;
  padding:22px 46px 22px 18px;font-size:16.5px;font-weight:700;color:var(--c-text);
  text-align:left;line-height:1.5;
}
.faq-arena .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent}
.faq-arena .accordion-button::after{
  content:"+";background-image:none;transform:none;font-size:22px;font-weight:400;color:var(--c-primary);
  width:auto;height:auto;position:absolute;right:16px;top:50%;transform:translateY(-50%);line-height:1;
}
.faq-arena .accordion-button:not(.collapsed)::after{content:"−"}
.faq-arena .accordion-item:has(.accordion-button:not(.collapsed)){box-shadow:inset 3px 0 0 var(--c-primary)}
.faq-arena .accordion-body{padding:0 46px 24px 18px;font-size:15px;color:var(--c-sub);line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(247,250,249,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2))}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(247,250,249,.62);max-width:34ch}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(247,250,249,.68)}
.footer-col a:hover{color:var(--c-primary-2)}
.footer-col .plain{font-size:14px;color:rgba(247,250,249,.68);display:flex;gap:8px}
.footer-col .plain span:first-child{color:rgba(247,250,249,.45);flex:0 0 auto}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(247,250,249,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,250,249,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search input{width:150px}
  .nav-channels{margin-left:0}
  .nav-link{padding:0 10px;font-size:14.5px}
  .nav-link.active::after{left:10px;right:10px}
}
@media (max-width:991.98px){
  .container-xl{padding-left:20px;padding-right:20px}
  .nav-channels,.nav-search,.btn-text-link{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:62px}
  .hero{padding:52px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .hero-tagline{left:12px;top:14px}
  .section{padding:64px 0}
  .cta-band{padding:40px 30px}
  .cta-grid{grid-template-columns:1fr;gap:24px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .ticker-label{display:none}
  .ticker-inner{gap:10px}
  .section{padding:48px 0}
  .hero h1{margin-top:16px}
  .hero-facts{gap:22px;margin-top:28px;padding-top:20px}
  .hero-facts strong{font-size:20px}
  .feature-row{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:22px 20px}
  .feature-num{font-size:32px;-webkit-text-stroke-width:1.3px}
  .news-grid{grid-template-columns:1fr}
  .news-card.news-lead{grid-column:auto;padding:24px}
  .news-lead .news-title{font-size:18.5px}
  .stat-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:32px 22px;border-radius:18px}
  .cta-form .field{flex:1 1 100%}
  .cta-form .btn-arena,.cta-form .btn-outline-arena{width:100%}
}
@media (max-width:519.98px){
  .hero .lede{font-size:15.5px}
  .brand-text{font-size:15.5px}
  .wall-cap{font-size:13.5px}
  .faq-arena .accordion-button{font-size:15.5px;padding-right:42px}
  .faq-arena .accordion-body{padding-right:20px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FA47A;
  --c-primary-2:#12C08A;
  --c-primary-dark:#0B7F5F;
  --c-accent:#FF7A29;
  --c-alert:#E33F3F;
  --c-ink:#10161B;
  --c-ink-2:#1B242B;
  --c-bg:#F4F6F5;
  --c-bg-alt:#EEF2F0;
  --c-card:#FFFFFF;
  --c-text:#16211E;
  --c-text-2:#5C6B67;
  --c-text-3:#8A9691;
  --c-white:#F7FAF9;
  --c-line:rgba(16,22,27,.10);
  --c-line-strong:rgba(16,22,27,.20);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,22,27,.06);
  --sh-2:0 12px 32px rgba(16,22,27,.12);
  --maxw:1320px;
  --bs-primary:#0FA47A;
  --bs-body-color:#16211E;
  --bs-body-bg:#F4F6F5;
  --bs-border-color:rgba(16,22,27,.10);
  --bs-border-radius:16px;
  --bs-link-color:#0FA47A;
  --bs-link-hover-color:#12C08A;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container-xl{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  background:var(--c-ink);
  height:42px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.countdown-inner{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  height:42px;
}
.cd-label{
  font-size:13px;
  color:var(--c-text-3);
  letter-spacing:.02em;
  white-space:nowrap;
}
.cd-live{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  color:var(--c-accent);
  border:1px solid rgba(255,122,41,.4);
  border-radius:var(--r-pill);
  padding:1px 10px;
  white-space:nowrap;
}
.cd-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}
.cd-clock{
  margin-left:auto;
  font-variant-numeric:tabular-nums;
  font-weight:800;
  font-size:17px;
  color:var(--c-alert);
  letter-spacing:.08em;
  white-space:nowrap;
}
.cd-btn{
  font-size:12.5px;
  font-weight:600;
  color:var(--c-primary-2);
  border:1px solid rgba(18,192,138,.45);
  border-radius:var(--r-pill);
  padding:3px 14px;
  white-space:nowrap;
  transition:.2s ease;
}
.cd-btn:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,height .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:66px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-text);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;}
.nav-channels{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:6px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--c-text-2);
  padding:8px 12px;
  border-radius:10px;
  white-space:nowrap;
  transition:.2s ease;
}
.nav-link:hover{color:var(--c-text);background:var(--c-bg-alt);}
.nav-link.active{color:var(--c-primary-dark);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:1px;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--c-bg-alt);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:6px 8px 6px 16px;
  transition:.2s ease;
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,164,122,.12);}
.search-box input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-text);
  width:132px;
}
.search-box input::placeholder{color:var(--c-text-3);}
.search-box button{
  border:0;background:var(--c-ink);color:#fff;
  width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:12px;transition:.2s ease;
}
.search-box button:hover{background:var(--c-primary);}
.link-login{
  font-size:14.5px;
  color:var(--c-text-2);
  padding:8px 4px;
  white-space:nowrap;
}
.link-login:hover{color:var(--c-primary);}

.btn-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,#0FA47A,#12C08A);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  box-shadow:0 6px 18px rgba(15,164,122,.24);
  transition:.22s ease;
  white-space:nowrap;
}
.btn-arena:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 24px rgba(15,164,122,.3);}
.btn-arena:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(15,164,122,.22);}
.btn-arena-sm{height:38px;padding:0 18px;font-size:14px;}

.btn-outline-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:2px solid var(--c-ink);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--c-ink);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  box-shadow:4px 4px 0 rgba(16,22,27,.9);
  transition:.18s ease;
  white-space:nowrap;
}
.btn-outline-arena:hover{
  background:var(--c-ink);color:#fff;
  box-shadow:2px 2px 0 rgba(16,22,27,.9);
  transform:translate(2px,2px);
}
.btn-ghost-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1.5px solid rgba(247,250,249,.55);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--c-white);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:.2s ease;
  white-space:nowrap;
}
.btn-ghost-arena:hover{background:var(--c-white);color:var(--c-ink);border-color:var(--c-white);}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-text);
  font-size:17px;
  cursor:pointer;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:14px 24px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .nav-link{display:block;padding:12px 4px;font-size:16px;border-radius:8px;}
.mobile-drawer .nav-link.active::after{left:4px;right:auto;width:22px;bottom:6px;}
.mobile-drawer .drawer-cta{margin-top:14px;display:flex;flex-direction:column;gap:10px;}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  background-color:var(--c-ink);
  background-image:linear-gradient(115deg,rgba(16,22,27,.94) 0%,rgba(16,22,27,.78) 46%,rgba(16,22,27,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:var(--c-white);
  padding:64px 0 68px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:6px;
  background:repeating-linear-gradient(90deg,var(--c-primary) 0 46px,transparent 46px 76px);
  opacity:.6;
}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(247,250,249,.62);
  margin-bottom:20px;
}
.breadcrumb-nav a{color:rgba(247,250,249,.62);text-decoration:none;}
.breadcrumb-nav a:hover{color:var(--c-primary-2);}
.breadcrumb-nav .sep{opacity:.5;}
.breadcrumb-nav .current{color:rgba(247,250,249,.92);font-weight:600;}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,48px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  max-width:820px;
}
.page-hero .lede{
  margin-top:18px;
  max-width:680px;
  font-size:16.5px;
  line-height:1.8;
  color:rgba(247,250,249,.78);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px 34px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid rgba(247,250,249,.16);
}
.hero-stats li{
  font-size:13.5px;
  color:rgba(247,250,249,.62);
}
.hero-stats li strong{
  display:block;
  font-size:20px;
  font-weight:800;
  color:var(--c-primary-2);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-dark{background:var(--c-ink);color:var(--c-white);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head .sub{
  margin-top:10px;
  font-size:15px;
  color:var(--c-text-2);
  max-width:640px;
}
.section-head .more{
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.section-head .more i{transition:transform .2s ease;}
.section-head .more:hover i{transform:translateX(4px);}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head .sub{color:rgba(247,250,249,.68);}

/* ---------- 错落图墙 ---------- */
.wall{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.wall-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:.22s ease;
  display:block;
  color:inherit;
}
.wall-item:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-3px);
  border-color:var(--c-line-strong);
  color:inherit;
}
.wall-thumb{
  position:relative;
  overflow:hidden;
}
.wall-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.wall-item:hover .wall-thumb img{transform:scale(1.045);}
.ratio-43 .wall-thumb{aspect-ratio:4/3;}
.ratio-34 .wall-thumb{aspect-ratio:3/4;}
.ratio-11 .wall-thumb{aspect-ratio:1/1;}
.ratio-1610 .wall-thumb{aspect-ratio:16/10;}
.wall-badge{
  position:absolute;
  left:12px;
  top:12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--c-primary-dark);
  backdrop-filter:blur(4px);
}
.wall-badge.hot{background:var(--c-alert);color:#fff;}
.wall-badge.live{background:var(--c-accent);color:#fff;}
.wall-body{padding:16px 18px 18px;}
.wall-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.4;
}
.wall-body p{
  margin-top:8px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--c-text-2);
}
.wall-meta{
  margin-top:12px;
  padding-top:12px;
  border-top:1px dashed var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--c-text-3);
}
.wall-meta .go{
  color:var(--c-primary);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.wall-meta .go i{transition:transform .2s ease;}
.wall-item:hover .wall-meta .go i{transform:translateX(4px);}
.wall-item.offset-top{margin-top:-30px;}
.wall-item.offset-low{margin-top:30px;}

/* ---------- 编号卖点 ---------- */
.point-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.point-item{
  display:flex;
  gap:22px;
  align-items:flex-start;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:22px 26px;
  box-shadow:var(--sh-1);
  transition:.22s ease;
}
.point-item:hover{box-shadow:var(--sh-2);transform:translateX(4px);}
.point-num{
  font-size:38px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:2px var(--c-primary);
  flex-shrink:0;
  min-width:58px;
  font-variant-numeric:tabular-nums;
}
.point-item:nth-child(2) .point-num{-webkit-text-stroke-color:var(--c-accent);}
.point-item:nth-child(2){border-left-color:var(--c-accent);}
.point-item:nth-child(3) .point-num{-webkit-text-stroke-color:var(--c-ink);}
.point-item:nth-child(3){border-left-color:var(--c-ink);}
.point-item h3{font-size:19px;font-weight:700;}
.point-item p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--c-text-2);}

/* ---------- 数据条 ---------- */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.metric-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:.22s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.metric-card .k{
  font-size:32px;
  font-weight:800;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.metric-card .k span{font-size:15px;font-weight:600;margin-left:2px;color:var(--c-text-2);}
.metric-card h3{margin-top:12px;font-size:15.5px;font-weight:700;}
.metric-card p{margin-top:6px;font-size:13.5px;color:var(--c-text-2);line-height:1.7;}

/* ---------- 使用路径（横向场景分区） ---------- */
.step-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.step-card{
  position:relative;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 24px 26px;
  box-shadow:var(--sh-1);
  transition:.22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--c-primary-dark);
  background:rgba(15,164,122,.1);
  border:1px solid rgba(15,164,122,.22);
  border-radius:var(--r-pill);
  padding:3px 12px;
}
.step-card h3{margin-top:16px;font-size:19px;font-weight:700;}
.step-card p{margin-top:10px;font-size:14.5px;line-height:1.78;color:var(--c-text-2);}
.step-card .step-line{
  position:absolute;
  right:-12px;
  top:52px;
  width:24px;
  height:2px;
  background:var(--c-line-strong);
}
.step-card:last-child .step-line{display:none;}

/* ---------- 表单 CTA 带 ---------- */
.cta-band{
  background:var(--c-ink);
  color:var(--c-white);
  border-radius:22px;
  padding:44px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,164,122,.32),transparent 66%);
}
.cta-copy{position:relative;z-index:1;max-width:560px;}
.cta-copy h2{color:#fff;font-size:clamp(21px,2.3vw,27px);font-weight:700;}
.cta-copy p{margin-top:12px;font-size:14.5px;color:rgba(247,250,249,.72);line-height:1.75;}
.cta-form{
  position:relative;
  z-index:1;
  display:flex;
  gap:12px;
  flex-shrink:0;
}
.cta-form .field{display:flex;flex-direction:column;gap:6px;}
.cta-form input{
  height:48px;
  width:240px;
  border-radius:var(--r-btn);
  border:1px solid rgba(247,250,249,.22);
  background:rgba(247,250,249,.06);
  color:#fff;
  padding:0 16px;
  font-size:14.5px;
  outline:none;
  transition:.2s ease;
}
.cta-form input::placeholder{color:rgba(247,250,249,.42);}
.cta-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,164,122,.2);background:rgba(247,250,249,.1);}
.cta-form input.is-error{border-color:var(--c-alert);box-shadow:0 0 0 4px rgba(227,63,63,.18);}
.field-hint{font-size:12.5px;color:rgba(247,250,249,.55);min-height:16px;}
.field-hint.error{color:#FF8A8A;}

/* ---------- FAQ ---------- */
.faq-wrap{
  max-width:920px;
  margin:0 auto;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;
  text-align:left;
  border:0;
  background:transparent;
  padding:20px 26px 20px 30px;
  font-size:16px;
  font-weight:700;
  color:var(--c-text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
  position:relative;
  transition:.2s ease;
}
.faq-q:hover{background:var(--c-bg);}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--c-primary);
  transform:scaleY(0);
  transition:transform .25s ease;
  transform-origin:center;
}
.faq-q[aria-expanded="true"]::before{transform:scaleY(1);}
.faq-q .ico{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1.5px solid var(--c-line-strong);
  color:var(--c-text-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  transition:.2s ease;
}
.faq-q[aria-expanded="true"] .ico{border-color:var(--c-primary);color:var(--c-primary);background:rgba(15,164,122,.08);}
.faq-a{
  padding:0 52px 22px 30px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  align-items:center;
  gap:14px;
  background:rgba(255,122,41,.08);
  border:1px solid rgba(255,122,41,.28);
  border-radius:14px;
  padding:16px 20px;
  font-size:14px;
  color:#8A4A16;
  line-height:1.7;
}
.notice i{color:var(--c-accent);font-size:17px;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:rgba(247,250,249,.72);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#fff;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));}
.footer-about{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(247,250,249,.6);
  max-width:300px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(247,250,249,.66);
  transition:.2s ease;
}
.footer-col a:hover{color:var(--c-primary-2);}
.footer-col li.plain{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:rgba(247,250,249,.6);
}
.footer-col li.plain span:first-child{color:rgba(247,250,249,.42);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(247,250,249,.12);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:rgba(247,250,249,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .search-box input{width:104px;}
  .nav-link{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .nav-channels,.header-actions{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .wall{grid-template-columns:repeat(2,1fr);}
  .wall-item.offset-top,.wall-item.offset-low{margin-top:0;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .step-row{grid-template-columns:1fr 1fr;}
  .step-card .step-line{display:none;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .cta-form{width:100%;flex-wrap:wrap;}
  .cta-form .field{flex:1 1 220px;}
  .cta-form input{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767.98px){
  .container-xl{padding-left:16px;padding-right:16px;}
  .section{padding:52px 0;}
  .page-hero{padding:44px 0 48px;}
  .hero-stats{gap:12px 26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .point-item{flex-direction:column;gap:12px;padding:20px;border-left-width:4px;}
  .point-num{font-size:30px;min-width:auto;}
  .faq-q{padding:17px 18px 17px 22px;font-size:15px;}
  .faq-a{padding:0 24px 20px 22px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .cd-label{font-size:12px;overflow:hidden;text-overflow:ellipsis;}
  .cd-live{display:none;}
  .cd-clock{font-size:15px;letter-spacing:.04em;}
  .wall{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:1fr;}
  .step-row{grid-template-columns:1fr;}
  .brand{font-size:15.5px;}
  .page-hero .lede{font-size:15px;}
  .cta-band{border-radius:18px;}
}

/* roulang page: article */
:root{
  --c-primary:#0FA47A;
  --c-primary-2:#12C08A;
  --c-accent:#FF7A29;
  --c-alert:#E33F3F;
  --c-ink:#10161B;
  --c-ink-2:#1B242B;
  --c-bg:#F4F6F5;
  --c-alt:#EEF2F0;
  --c-surface:#FFFFFF;
  --c-text:#16211E;
  --c-text-2:#5C6B67;
  --c-text-3:#8A9691;
  --c-line:rgba(16,22,27,.10);
  --c-line-2:rgba(16,22,27,.06);
  --r-card:16px;
  --r-inner:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,22,27,.06);
  --sh-2:0 12px 32px rgba(16,22,27,.12);
  --bs-primary:#0FA47A;
  --bs-primary-rgb:15,164,122;
  --bs-body-color:#16211E;
  --bs-body-bg:#F4F6F5;
  --bs-border-color:rgba(16,22,27,.10);
  --bs-border-radius:12px;
  --bs-link-color:#0FA47A;
  --bs-link-hover-color:#12C08A;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:hover{color:var(--c-primary-2);text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:-.005em}
p{margin:0 0 1em}
ul,ol{margin:0}
.container-xl{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 顶部倒计时细条 ---------- */
.ticker-bar{background:var(--c-ink);color:#F7FAF9;overflow:hidden}
.ticker-inner{display:flex;align-items:center;gap:18px;height:42px;font-size:13px;white-space:nowrap}
.ticker-label{color:rgba(247,250,249,.62);letter-spacing:.04em}
.ticker-clock{display:inline-flex;align-items:baseline;gap:2px;font-weight:700;color:var(--c-alert);font-variant-numeric:tabular-nums;letter-spacing:.03em}
.ticker-clock i{font-style:normal;color:rgba(247,250,249,.35);font-weight:500;margin:0 1px}
.ticker-note{color:rgba(247,250,249,.55);flex:1;overflow:hidden;text-overflow:ellipsis}
.ticker-btn{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(18,192,138,.5);color:#7FE9C6;font-size:12.5px;font-weight:600;
  transition:.2s ease;
}
.ticker-btn:hover{background:rgba(18,192,138,.14);color:#B8F5DF;text-decoration:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0FA47A,#12C08A);
  box-shadow:0 6px 14px rgba(15,164,122,.26);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16.5px;font-weight:800;color:var(--c-text);letter-spacing:-.01em;white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  border-radius:10px;font-size:15px;font-weight:600;color:var(--c-text-2);
  white-space:nowrap;transition:.2s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(15,164,122,.08);text-decoration:none}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  min-width:196px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:var(--c-alt);transition:.2s ease;
}
.nav-search svg{width:16px;height:16px;flex-shrink:0;stroke:var(--c-text-3)}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-text);font-family:inherit;
}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(15,164,122,.14)}
.btn-ghost-text{
  display:inline-flex;align-items:center;height:38px;padding:0 8px;
  font-size:14.5px;font-weight:600;color:var(--c-text-2);
}
.btn-ghost-text:hover{color:var(--c-primary);text-decoration:none}
.btn-arena{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:0;border-radius:var(--r-inner);
  background:linear-gradient(135deg,#0FA47A,#12C08A);color:#fff;
  font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;
  box-shadow:0 8px 18px rgba(15,164,122,.24);
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease;
}
.btn-arena:hover{transform:translateY(-1px);filter:brightness(1.05);color:#fff;text-decoration:none;box-shadow:0 12px 24px rgba(15,164,122,.28)}
.btn-arena:active{transform:translateY(0);box-shadow:0 6px 14px rgba(15,164,122,.22)}
.btn-arena-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;box-shadow:0 6px 14px rgba(15,164,122,.22)}
.btn-outline-arena{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1.5px solid var(--c-primary);border-radius:var(--r-inner);
  background:transparent;color:var(--c-primary);font-size:15px;font-weight:700;
  font-family:inherit;cursor:pointer;transition:.22s ease;
}
.btn-outline-arena:hover{background:rgba(15,164,122,.08);color:var(--c-primary);text-decoration:none;transform:translateY(-1px)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border:1.5px solid rgba(247,250,249,.45);border-radius:var(--r-inner);
  background:transparent;color:#F7FAF9;font-size:15px;font-weight:700;transition:.22s ease;
}
.btn-ghost-light:hover{background:#F7FAF9;color:var(--c-ink);text-decoration:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-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(--c-text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:14px 0 20px}
.nav-drawer.is-open{display:block}
.nav-drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;margin:0 0 12px;
  border:1px solid var(--c-line);border-radius:12px;background:var(--c-alt);
}
.nav-drawer .drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14.5px;font-family:inherit;color:var(--c-text)}
.nav-drawer .drawer-links{display:grid;gap:2px;margin-bottom:14px}
.nav-drawer .drawer-links a{
  display:block;padding:11px 12px;border-radius:10px;font-size:15.5px;font-weight:600;color:var(--c-text-2);
}
.nav-drawer .drawer-links a:hover,.nav-drawer .drawer-links a.active{background:rgba(15,164,122,.08);color:var(--c-primary);text-decoration:none}
.nav-drawer .btn-arena{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0 0;font-size:13px;color:var(--c-text-3)}
.breadcrumb-bar a{color:var(--c-text-3)}
.breadcrumb-bar a:hover{color:var(--c-primary)}
.breadcrumb-bar .sep{margin:0 8px;color:var(--c-text-3);opacity:.7}
.breadcrumb-bar .current{color:var(--c-text-2)}

/* ---------- 文章头 ---------- */
.article-zone{padding:0 0 88px}
.article-wrap{max-width:780px;margin:0 auto}
.article-head{padding:22px 0 0}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.22;
  letter-spacing:-.01em;margin:0 0 16px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  font-size:13.5px;color:var(--c-text-2);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);display:inline-block}
.article-cover{
  margin:26px 0 0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);background:#fff;
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- 正文 ---------- */
.article-body{
  padding:34px 0 8px;font-size:16.5px;line-height:1.85;color:var(--c-text);
  word-break:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,25px);font-weight:700;
  line-height:1.35;margin:2em 0 .7em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,#0FA47A,#12C08A);
}
.article-body h3{font-size:19px;font-weight:600;margin:1.6em 0 .55em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--c-text-2)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;background:#fff;
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-inner) var(--r-inner) 0;
  color:var(--c-text-2);font-size:15.5px;box-shadow:var(--sh-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.5em auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.5em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-text-3);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;background:#fff;border-radius:var(--r-inner);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-alt);font-weight:700}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body code{background:var(--c-alt);padding:2px 6px;border-radius:6px;font-size:14.5px}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed rgba(16,22,27,.18);border-radius:var(--r-card);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(15,164,122,.1);
}
.empty-icon svg{width:24px;height:24px;stroke:var(--c-primary)}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:22px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-alt)}
.section-head{margin-bottom:36px;max-width:760px}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin:0 0 10px}
.section-sub{margin:0;font-size:15px;color:var(--c-text-2);line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:var(--c-primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px}

/* ---------- 要点卡 ---------- */
.point-list{display:grid;gap:14px}
.point-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);transition:.22s ease;
}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.point-num{
  font-size:26px;font-weight:800;line-height:1;flex-shrink:0;
  color:transparent;-webkit-text-stroke:1.4px var(--c-primary);letter-spacing:.02em;
}
.point-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.point-body p{margin:0;font-size:14.5px;color:var(--c-text-2);line-height:1.75}

/* ---------- 延伸阅读卡片 ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-read{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;height:100%;
}
.card-read:hover{transform:translateY(-3px);box-shadow:var(--sh-2);text-decoration:none}
.card-read .thumb{position:relative;overflow:hidden;aspect-ratio:4/3}
.card-read .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-read:hover .thumb img{transform:scale(1.04)}
.card-read .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-read h3{font-size:17.5px;font-weight:700;line-height:1.45;color:var(--c-text)}
.card-read:hover h3{color:var(--c-primary)}
.card-read p{margin:0;font-size:14px;color:var(--c-text-2);line-height:1.7}
.card-read .go{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:700;color:var(--c-primary);
}
.card-read .go svg{width:14px;height:14px;transition:transform .22s ease}
.card-read:hover .go svg{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq-arena{border-top:1px solid var(--c-line)}
.faq-arena .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line)}
.faq-arena .accordion-button{
  position:relative;width:100%;background:transparent;border:0;border-radius:0;
  padding:20px 52px 20px 18px;font-size:17px;font-weight:700;color:var(--c-text);
  text-align:left;box-shadow:none;font-family:inherit;
}
.faq-arena .accordion-button:not(.collapsed){
  color:var(--c-primary);background:rgba(15,164,122,.05);box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-arena .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px}
.faq-arena .accordion-button::after{display:none}
.faq-arena .accordion-button::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:500;color:var(--c-text-3);line-height:1;
}
.faq-arena .accordion-button:not(.collapsed)::before{content:"−";color:var(--c-primary);font-weight:600}
.faq-arena .accordion-body{padding:0 52px 24px 18px;font-size:15px;line-height:1.8;color:var(--c-text-2)}
.faq-arena .accordion-body p:last-child{margin-bottom:0}

/* ---------- 深色 CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;background:var(--c-ink);
  padding:44px 46px;color:#F7FAF9;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:16px 16px;
}
.cta-band > *{position:relative;z-index:1}
.cta-copy{max-width:520px}
.cta-copy .eyebrow{color:#7FE9C6}
.cta-copy .eyebrow::before{background:#7FE9C6}
.cta-copy h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;color:#F7FAF9;margin-bottom:10px;line-height:1.35}
.cta-copy p{margin:0;font-size:14.5px;color:rgba(247,250,249,.65);line-height:1.75}
.cta-form{display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap}
.cta-field{display:flex;flex-direction:column;gap:6px}
.cta-field input{
  height:48px;min-width:240px;padding:0 16px;border-radius:var(--r-inner);
  border:1px solid rgba(247,250,249,.2);background:rgba(247,250,249,.06);
  color:#F7FAF9;font-size:15px;font-family:inherit;outline:none;transition:.2s ease;
}
.cta-field input::placeholder{color:rgba(247,250,249,.42)}
.cta-field input:focus{border-color:var(--c-primary-2);box-shadow:0 0 0 4px rgba(18,192,138,.2)}
.cta-field .hint{font-size:12.5px;color:rgba(247,250,249,.45);min-height:16px}
.cta-field.is-error input{border-color:var(--c-alert);box-shadow:0 0 0 4px rgba(227,63,63,.16)}
.cta-field.is-error .hint{color:#FF9A9A}
.cta-band .btn-arena{height:48px;white-space:nowrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(247,250,249,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand:hover{color:#fff;text-decoration:none}
.footer-brand .brand-mark{box-shadow:none}
.footer-about{margin:0;font-size:14px;line-height:1.8;color:rgba(247,250,249,.6);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:14px}
.footer-col a{color:rgba(247,250,249,.72)}
.footer-col a:hover{color:#12C08A;text-decoration:none}
.footer-col li.plain{display:flex;justify-content:space-between;gap:14px;color:rgba(247,250,249,.55)}
.footer-col li.plain span:last-child{color:rgba(247,250,249,.78)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(247,250,249,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(247,250,249,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{min-width:160px}
  .nav-link{padding:0 9px;font-size:14.5px}
}
@media (max-width:991px){
  .nav-channels,.nav-search,.btn-ghost-text{display:none}
  .btn-arena-sm{display:none}
  .nav-toggle{display:inline-flex}
  .read-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .article-zone{padding-bottom:64px}
  .cta-band{padding:34px 30px;border-radius:16px}
}
@media (max-width:767px){
  .container-xl{padding:0 16px}
  .ticker-inner{gap:12px;font-size:12px}
  .ticker-note{display:none}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .article-body{font-size:16px;line-height:1.8}
  .article-cover img{aspect-ratio:16/9}
  .point-item{padding:18px 18px;gap:14px}
  .point-num{font-size:22px}
  .read-grid{grid-template-columns:1fr}
  .cta-form{width:100%}
  .cta-field{width:100%}
  .cta-field input{width:100%;min-width:0}
  .cta-band .btn-arena{width:100%}
  .faq-arena .accordion-button{font-size:16px;padding:18px 46px 18px 14px}
  .faq-arena .accordion-body{padding:0 46px 20px 14px}
}
@media (max-width:575px){
  .header-inner{height:62px}
  .brand-text{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .article-head h1{font-size:24px}
  .meta-row{font-size:13px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FA47A;
  --c-primary-2:#12C08A;
  --c-accent:#FF7A29;
  --c-alert:#E33F3F;
  --c-ink:#10161B;
  --c-ink-2:#1B242B;
  --c-bg:#F4F6F5;
  --c-surface:#FFFFFF;
  --c-alt:#EEF2F0;
  --c-text:#16211E;
  --c-text-2:#5C6B67;
  --c-text-3:#8A9691;
  --c-line:rgba(16,22,27,.10);
  --c-line-strong:rgba(16,22,27,.18);
  --r-card:16px;
  --r-inner:12px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(16,22,27,.06);
  --sh-2:0 12px 32px rgba(16,22,27,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;

  --bs-primary:#0FA47A;
  --bs-body-color:#16211E;
  --bs-body-bg:#F4F6F5;
  --bs-border-color:rgba(16,22,27,.10);
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-link-color:#0FA47A;
  --bs-link-hover-color:#12C08A;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background-color:var(--c-bg);
  background-image:
    radial-gradient(rgba(16,22,27,.035) 1px, transparent 1px),
    radial-gradient(rgba(16,22,27,.025) 1px, transparent 1px);
  background-size:22px 22px,22px 22px;
  background-position:0 0,11px 11px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-2);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container-xl{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 倒计时条 ============ */
.ticker{
  background:var(--c-ink);
  color:#F7FAF9;
  height:44px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.ticker-inner{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 24px;
  font-size:13px;
}
.ticker-label{
  color:rgba(247,250,249,.66);
  letter-spacing:.02em;
  white-space:nowrap;
}
.ticker-time{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--c-alert);
  font-size:15px;
}
.ticker-time b{font-weight:800;}
.ticker-unit{color:rgba(247,250,249,.5);font-size:11px;font-weight:600;}
.ticker-spacer{flex:1;}
.ticker-btn{
  border:1px solid rgba(18,192,138,.7);
  color:#7CE7C4;
  border-radius:999px;
  padding:4px 14px;
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
  transition:.2s ease;
}
.ticker-btn:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  color:var(--c-text);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  box-shadow:0 4px 12px rgba(15,164,122,.28);
  flex:none;
}
.brand-mark svg{width:20px;height:20px;}
.nav-channels{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--c-text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-text);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search input{
  width:178px;
  height:40px;
  border:1px solid var(--c-line-strong);
  border-radius:999px;
  background:var(--c-alt);
  padding:0 16px 0 38px;
  font-size:14px;
  transition:.2s ease;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 4px rgba(15,164,122,.12);
}
.nav-search svg{
  position:absolute;
  left:14px;
  width:16px;height:16px;
  stroke:var(--c-text-3);
  pointer-events:none;
}
.link-entry{
  font-size:14px;
  font-weight:600;
  color:var(--c-text-2);
  padding:8px 6px;
  white-space:nowrap;
}
.link-entry:hover{color:var(--c-primary);}
.btn-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border:none;
  border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  box-shadow:0 6px 18px rgba(15,164,122,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  cursor:pointer;
}
.btn-arena:hover{color:#fff;filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 10px 24px rgba(15,164,122,.32);}
.btn-arena:active{transform:translateY(0);filter:brightness(.98);}
.btn-arena-sm{height:40px;padding:0 18px;font-size:14px;box-shadow:none;}
.btn-outline-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:1.5px solid var(--c-primary);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--c-primary);
  font-size:15px;
  font-weight:700;
  transition:.2s ease;
  cursor:pointer;
}
.btn-outline-arena:hover{background:rgba(15,164,122,.08);color:var(--c-primary);}
.btn-ghost-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border:1.5px solid rgba(247,250,249,.55);
  border-radius:var(--r-btn);
  background:transparent;
  color:#F7FAF9;
  font-size:14px;
  font-weight:700;
  transition:.2s ease;
  cursor:pointer;
}
.btn-ghost-arena:hover{background:#F7FAF9;color:var(--c-ink);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line-strong);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;}
.nav-drawer.open{display:block;}
.nav-drawer-inner{padding:16px 24px 22px;display:flex;flex-direction:column;gap:6px;}
.nav-drawer a{
  padding:12px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--c-text-2);
  border-bottom:1px dashed var(--c-line);
}
.nav-drawer a.active{color:var(--c-primary);}
.nav-drawer .btn-arena{margin-top:14px;height:48px;}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-3);
  padding:12px 0;
  flex-wrap:wrap;
}
.crumb a{color:var(--c-text-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:rgba(16,22,27,.22);}
.crumb .cur{color:var(--c-text-2);font-weight:600;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  background-image:
    linear-gradient(90deg,rgba(16,22,27,.92) 0%,rgba(16,22,27,.78) 48%,rgba(16,22,27,.42) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#F7FAF9;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(247,250,249,.05) 0 1px,transparent 1px 84px);
  pointer-events:none;
}
.page-hero .container-xl{position:relative;z-index:2;}
.page-hero-inner{
  padding:76px 0 68px;
  max-width:820px;
}
.stamp{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px dashed rgba(247,250,249,.45);
  border-radius:999px;
  padding:5px 14px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:#C9F2E3;
  margin-bottom:20px;
}
.stamp i{
  width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,48px);
  font-weight:800;
  line-height:1.15;
  color:#fff;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  color:#7CE7C4;
}
.page-hero-sub{
  font-size:17px;
  line-height:1.7;
  color:rgba(247,250,249,.82);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-meta{
  display:flex;
  gap:36px;
  flex-wrap:wrap;
  margin-top:38px;
  padding-top:24px;
  border-top:1px solid rgba(247,250,249,.18);
}
.hero-meta div{min-width:120px;}
.hero-meta strong{
  display:block;
  font-size:22px;
  font-weight:800;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.hero-meta span{
  font-size:13px;
  color:rgba(247,250,249,.6);
}

/* ============ 主区：左窄右宽 ============ */
.main-wrap{padding:64px 0 24px;}
.split-grid{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.side-col{
  position:sticky;
  top:88px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px;
}
.panel-title{
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--c-text);
  padding-bottom:10px;
  margin-bottom:14px;
  border-bottom:1px dashed var(--c-line-strong);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.panel-title small{
  font-size:11px;
  font-weight:600;
  color:var(--c-text-3);
  letter-spacing:.02em;
}
.quick-list{display:flex;flex-direction:column;}
.quick-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 0;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-text-2);
  border-bottom:1px solid rgba(16,22,27,.06);
}
.quick-list li:last-child a{border-bottom:none;}
.quick-list a:hover{color:var(--c-primary);}
.quick-list a svg{width:15px;height:15px;stroke:currentColor;flex:none;transition:transform .2s ease;}
.quick-list a:hover svg{transform:translateX(3px);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(15,164,122,.10);
  color:#0B7E5E;
  font-size:12.5px;
  font-weight:700;
  border:1px solid rgba(15,164,122,.18);
  transition:.2s ease;
}
.tag-chip:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.tag-chip.is-warm{background:rgba(255,122,41,.12);color:#B85313;border-color:rgba(255,122,41,.22);}
.tag-chip.is-warm:hover{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.filter-group{display:flex;flex-direction:column;gap:2px;}
.filter-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 8px;
  border-radius:10px;
  font-size:14px;
  color:var(--c-text-2);
  cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.filter-item:hover{background:var(--c-alt);color:var(--c-text);}
.filter-item input{
  appearance:none;
  width:16px;height:16px;
  border:1.5px solid var(--c-line-strong);
  border-radius:50%;
  flex:none;
  position:relative;
  transition:.18s ease;
}
.filter-item input:checked{border-color:var(--c-primary);border-width:5px;}
.filter-item:has(input:checked){color:var(--c-primary);font-weight:700;}
.status-list{display:flex;flex-direction:column;gap:12px;}
.status-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:var(--c-text-2);
}
.status-row b{color:var(--c-text);font-weight:700;font-size:13.5px;}
.dot-live{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;color:#0B7E5E;
}
.dot-live::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,164,122,.18);
}

/* ============ 右侧列表卡 ============ */
.list-col{display:flex;flex-direction:column;gap:20px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:6px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-primary-2));
}
.section-head p{
  margin:0;
  font-size:14px;
  color:var(--c-text-3);
  max-width:520px;
}
.media-card{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.media-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,164,122,.35);
}
.media-thumb{position:relative;min-height:100%;}
.media-thumb img{width:100%;height:100%;object-fit:cover;}
.media-thumb .idx{
  position:absolute;
  left:12px;top:12px;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(16,22,27,.72);
  color:#7CE7C4;
  font-size:13px;
  font-weight:800;
  backdrop-filter:blur(2px);
}
.media-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;}
.badge-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge-arena{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(15,164,122,.10);
  color:#0B7E5E;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  border:1px solid rgba(15,164,122,.16);
}
.badge-arena.warm{
  background:rgba(255,122,41,.12);
  color:#B85313;
  border-color:rgba(255,122,41,.2);
}
.badge-arena.alert{
  background:rgba(227,63,63,.10);
  color:#B32C2C;
  border-color:rgba(227,63,63,.2);
}
.badge-time{font-size:12.5px;color:var(--c-text-3);}
.media-body h3{font-size:19px;font-weight:700;line-height:1.45;}
.media-body h3 a{color:inherit;}
.media-card:hover h3 a{color:var(--c-primary);}
.media-body p{
  margin:0;
  font-size:14.5px;
  line-height:1.7;
  color:var(--c-text-2);
}
.media-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:8px;
  border-top:1px dashed var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
}
.read-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--c-primary);font-size:13.5px;
}
.read-link svg{width:14px;height:14px;stroke:currentColor;transition:transform .2s ease;}
.media-card:hover .read-link svg{transform:translateX(4px);}

/* ============ 口径流程 ============ */
.band{padding:72px 0;}
.band-alt{
  background:var(--c-alt);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.step-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  margin-top:32px;
}
.step-card{
  display:flex;
  gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-1);
}
.step-num{
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.6px rgba(15,164,122,.55);
  flex:none;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.7;}

/* ============ 指标卡 ============ */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-top:32px;
}
.metric-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric-card::before{
  content:"";
  position:absolute;left:0;top:0;height:100%;width:3px;
  background:linear-gradient(180deg,var(--c-primary),transparent);
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.metric-card strong{
  display:block;
  font-size:32px;
  font-weight:800;
  line-height:1.1;
  color:var(--c-text);
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.metric-card strong small{font-size:15px;font-weight:700;color:var(--c-text-2);margin-left:2px;}
.metric-card span.metric-name{display:block;font-size:14.5px;font-weight:700;margin-bottom:6px;}
.metric-card p{font-size:13px;color:var(--c-text-3);margin:0;line-height:1.65;}

/* ============ 场景横向分区 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin-top:32px;
}
.scene{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.scene img{height:132px;width:100%;object-fit:cover;}
.scene-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.scene-body h3{font-size:16.5px;font-weight:700;}
.scene-body p{font-size:13.5px;color:var(--c-text-2);margin:0;line-height:1.7;}
.scene-body .tag-chip{margin-top:auto;align-self:flex-start;}

/* ============ FAQ ============ */
.faq-wrap{margin-top:32px;max-width:900px;}
.accordion-item{
  border:none;
  border-bottom:1px solid var(--c-line);
  background:transparent;
}
.accordion-item:first-child{border-top:1px solid var(--c-line);}
.accordion-button{
  background:transparent;
  box-shadow:none;
  padding:22px 44px 22px 18px;
  font-size:16.5px;
  font-weight:700;
  color:var(--c-text);
  text-align:left;
  position:relative;
  border-left:3px solid transparent;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:rgba(15,164,122,.05);
  border-left-color:var(--c-primary);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px;}
.accordion-button::after{
  content:"";
  width:14px;height:14px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg);
  position:absolute;
  right:22px;top:calc(50% - 9px);
  background-image:none;
  transition:transform .22s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);top:calc(50% - 4px);}
.accordion-body{
  padding:0 44px 24px 21px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-2);
}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-ink);
  color:#F7FAF9;
  border-radius:20px;
  padding:44px 40px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,192,138,.28),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,2.5vw,28px);
  font-weight:700;
  margin-bottom:10px;
}
.cta-band p{
  margin:0;
  color:rgba(247,250,249,.72);
  font-size:14.5px;
  max-width:560px;
}
.cta-form{position:relative;z-index:2;width:100%;max-width:420px;}
.cta-form-row{display:flex;gap:10px;}
.cta-form input{
  flex:1;
  height:48px;
  border:1px solid rgba(247,250,249,.28);
  background:rgba(247,250,249,.06);
  border-radius:12px;
  padding:0 16px;
  color:#fff;
  font-size:15px;
  transition:.2s ease;
}
.cta-form input::placeholder{color:rgba(247,250,249,.45);}
.cta-form input:focus{
  outline:none;
  border-color:var(--c-primary-2);
  background:rgba(247,250,249,.1);
  box-shadow:0 0 0 4px rgba(18,192,138,.18);
}
.cta-form input.is-error{border-color:var(--c-alert);box-shadow:0 0 0 4px rgba(227,63,63,.16);}
.cta-hint{font-size:13px;color:rgba(247,250,249,.5);margin-top:10px;}
.cta-hint.error{color:#FF9C9C;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(247,250,249,.72);
  margin-top:72px;
  padding:60px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(247,250,249,.12);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:800;
  margin-bottom:16px;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-about{
  font-size:14px;
  line-height:1.75;
  color:rgba(247,250,249,.6);
  margin:0;
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.03em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(247,250,249,.66);}
.footer-col a:hover{color:var(--c-primary-2);}
.footer-col li.plain{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:rgba(247,250,249,.5);
}
.footer-col li.plain span:last-child{color:rgba(247,250,249,.78);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:rgba(247,250,249,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .split-grid{grid-template-columns:264px minmax(0,1fr);gap:28px;}
  .media-card{grid-template-columns:200px minmax(0,1fr);}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-tools .link-entry{display:none;}
  .split-grid{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
  .side-col .panel{flex:1 1 280px;}
  .step-row{grid-template-columns:minmax(0,1fr);}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:36px 26px;}
  .cta-form{max-width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .band{padding:60px 0;}
}
@media (max-width:767.98px){
  .container-xl{padding-left:16px;padding-right:16px;}
  .ticker-inner{padding:0 16px;gap:10px;}
  .ticker-label{font-size:12px;}
  .page-hero-inner{padding:52px 0 46px;}
  .hero-meta{gap:22px;margin-top:28px;}
  .media-card{grid-template-columns:minmax(0,1fr);}
  .media-thumb img{height:190px;}
  .media-body{padding:18px;}
  .main-wrap{padding:44px 0 16px;}
  .metric-grid{grid-template-columns:minmax(0,1fr);}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;gap:8px;}
  .hero-actions .btn-arena,.hero-actions .btn-outline-arena{width:100%;}
  .cta-form-row{flex-direction:column;}
  .cta-form-row .btn-arena{width:100%;}
}
@media (max-width:519.98px){
  .brand{font-size:15.5px;}
  .brand-mark{width:30px;height:30px;}
  .ticker{height:40px;}
  .ticker-units{display:none;}
  .accordion-button{font-size:15.5px;padding:18px 40px 18px 16px;}
  .accordion-body{padding:0 24px 20px 19px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FA47A;
  --c-primary-2:#12C08A;
  --c-primary-soft:rgba(15,164,122,.10);
  --c-accent:#FF7A29;
  --c-accent-soft:rgba(255,122,41,.12);
  --c-alert:#E33F3F;
  --c-ink:#10161B;
  --c-ink-2:#1B242B;
  --c-bg:#F4F6F5;
  --c-bg-alt:#EEF2F0;
  --c-surface:#FFFFFF;
  --c-text:#16211E;
  --c-text-2:#5C6B67;
  --c-text-3:#8A9691;
  --c-line:rgba(16,22,27,.10);
  --c-line-strong:rgba(16,22,27,.18);
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(16,22,27,.06);
  --sh-2:0 12px 32px rgba(16,22,27,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-primary:#0FA47A;
  --bs-body-color:#16211E;
  --bs-border-color:rgba(16,22,27,.10);
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:#0b8a66;}
button{font-family:inherit;}
input,button,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

.container-xl{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 倒计时条 ============ */
.ticker{
  background:var(--c-ink);
  color:#F7FAF9;
  height:44px;
  display:flex;
  align-items:center;
  font-size:13px;
}
.ticker-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:44px;
  white-space:nowrap;
  overflow:hidden;
}
.ticker-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(247,250,249,.78);
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
}
.ticker-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);
  box-shadow:0 0 0 4px rgba(255,122,41,.18);
  flex:0 0 auto;
}
.ticker-clock{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(247,250,249,.72);
}
.cd-num{
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  color:var(--c-alert);
  font-weight:700;
  letter-spacing:.04em;
}
.ticker-btn{
  flex:0 0 auto;
  color:#F7FAF9;
  border:1px solid rgba(247,250,249,.35);
  border-radius:999px;
  padding:4px 14px;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.ticker-btn:hover{background:#F7FAF9;color:var(--c-ink);border-color:#F7FAF9;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.nav-bar{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled .nav-bar{box-shadow:var(--sh-1);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:66px;
  transition:height .22s ease;
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:var(--c-text);
  letter-spacing:-0.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  box-shadow:0 4px 12px rgba(15,164,122,.28);
}
.brand-mark svg{width:20px;height:20px;}
.nav-channels{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 auto;
  min-width:0;
}
.nav-link{
  position:relative;
  color:var(--c-text-2);
  font-size:15px;
  font-weight:600;
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-text);font-weight:800;}
.nav-link.active::after{transform:scaleX(1);}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:6px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:0 6px 0 14px;
  height:40px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 4px var(--c-primary-soft);
}
.nav-search input{
  border:0;
  background:transparent;
  outline:none;
  width:118px;
  font-size:14px;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search button{
  border:0;
  background:transparent;
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  color:var(--c-text-2);
  cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.nav-search button:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.link-login{
  font-size:14px;
  font-weight:600;
  color:var(--c-text-2);
  padding:8px 4px;
}
.link-login:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line);
  border-radius:12px;
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--c-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(--c-text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:12px 0 20px;
}
.nav-drawer.is-open{display:block;}
.drawer-list{display:flex;flex-direction:column;}
.drawer-list a{
  padding:13px 0;
  font-size:15px;
  font-weight:600;
  color:var(--c-text-2);
  border-bottom:1px dashed var(--c-line);
}
.drawer-list a.active{color:var(--c-primary);}
.drawer-cta{margin-top:16px;display:flex;gap:10px;}

/* ============ 按钮 ============ */
.btn-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));
  box-shadow:0 6px 16px rgba(15,164,122,.24);
  cursor:pointer;
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
}
.btn-arena:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,164,122,.3);}
.btn-arena:active{transform:translateY(0);filter:brightness(.97);}
.btn-arena-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-outline-arena{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:1.5px solid var(--c-primary);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--c-primary);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.btn-outline-arena:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-1px);}
.btn-ghost-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 22px;
  border:1.5px solid rgba(247,250,249,.45);
  border-radius:var(--r-btn);
  color:#F7FAF9;
  font-size:15px;
  font-weight:700;
  background:transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-ghost-light:hover{background:#F7FAF9;color:var(--c-ink);border-color:#F7FAF9;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-ink{background:var(--c-ink);color:rgba(247,250,249,.82);}
.section-ink h2,.section-ink h3{color:#fff;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head .kicker::before{
  content:"";
  width:22px;height:2px;border-radius:2px;
  background:var(--c-primary);
}
.section h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;}
.section-sub{
  margin-top:10px;
  color:var(--c-text-2);
  font-size:15px;
  max-width:66ch;
}
.section-ink .section-sub{color:rgba(247,250,249,.66);}
.link-more{
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
}
.link-more:hover{gap:10px;}
.link-more svg{transition:transform .2s ease;}
.link-more:hover svg{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.crumbs{
  font-size:13px;
  color:var(--c-text-3);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  padding:22px 0 0;
}
.crumbs a{color:var(--c-text-2);text-decoration:none;}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:var(--c-text-3);}

/* ============ Hero ============ */
.hero{
  padding:36px 0 72px;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(15,164,122,.12), transparent 62%),
    var(--c-bg);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--c-primary-soft);
  color:#0b8a66;
  font-size:12px;
  font-weight:700;
  letter-spacing:.03em;
  border:1px solid rgba(15,164,122,.22);
}
.hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.4vw,48px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-0.015em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 62%, rgba(255,122,41,.32) 62%);
  padding:0 2px;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--c-text-2);
  max-width:56ch;
}
.hero-actions{
  margin-top:30px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-stats{
  margin-top:36px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  border-top:1px dashed var(--c-line-strong);
  padding-top:24px;
}
.hero-stat b{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--c-text);
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.01em;
}
.hero-stat span{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--c-text-3);
}
.hero-visual{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  background:var(--c-ink);
}
.hero-visual img{
  width:100%;
  height:clamp(280px,42vw,420px);
  object-fit:cover;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,22,27,.06),rgba(16,22,27,.62));
}
.hero-visual-cap{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:#F7FAF9;
  font-size:13px;
  font-weight:600;
}
.hero-visual-cap .pill{
  background:rgba(247,250,249,.16);
  border:1px solid rgba(247,250,249,.28);
  border-radius:999px;
  padding:5px 12px;
  font-size:12px;
}

/* ============ 卡片通用 ============ */
.card-match{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-match:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,164,122,.28);}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  background:var(--c-primary-soft);
  color:#0b8a66;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  border:1px solid rgba(15,164,122,.2);
}
.badge-accent{
  background:var(--c-accent-soft);
  color:#c4560f;
  border-color:rgba(255,122,41,.28);
}
.badge-alert{
  background:rgba(227,63,63,.1);
  color:var(--c-alert);
  border-color:rgba(227,63,63,.26);
}

/* ============ 准备清单（图卡） ============ */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.prep-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.prep-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.prep-card figure{margin:0;overflow:hidden;}
.prep-card img{
  width:100%;
  height:186px;
  object-fit:cover;
  transition:transform .4s ease;
}
.prep-card:hover img{transform:scale(1.04);}
.prep-body{padding:20px 22px 24px;flex:1 1 auto;display:flex;flex-direction:column;gap:10px;}
.prep-body h3{font-size:18px;font-weight:700;}
.prep-body p{font-size:14px;color:var(--c-text-2);line-height:1.7;}
.prep-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.prep-card.tall img{height:236px;}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  padding-left:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:31px;
  top:12px;
  bottom:12px;
  width:2px;
  background:linear-gradient(180deg,var(--c-primary),rgba(15,164,122,.12));
  border-radius:2px;
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:24px;
  padding-bottom:26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:relative;
  z-index:2;
  width:64px;height:64px;
  border-radius:50%;
  background:var(--c-surface);
  border:2px solid var(--c-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 14px rgba(15,164,122,.18);
}
.tl-num{
  font-size:19px;
  font-weight:800;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.02em;
}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 28px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,164,122,.3);}
.tl-head{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.tl-head h3{font-size:19px;font-weight:700;}
.tl-card p{color:var(--c-text-2);font-size:15px;}
.tl-list{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 24px;
}
.tl-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.7;
}
.tl-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-primary);
  opacity:.75;
}
.tl-note{
  margin-top:16px;
  padding:12px 16px;
  border-radius:12px;
  background:var(--c-bg-alt);
  border-left:3px solid var(--c-accent);
  font-size:13px;
  color:var(--c-text-2);
}

/* ============ 名词速查（深色） ============ */
.glossary-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.glossary-item{
  background:var(--c-ink-2);
  border:1px solid rgba(247,250,249,.1);
  border-radius:14px;
  padding:22px 22px 24px;
  transition:border-color .22s ease,transform .22s ease;
}
.glossary-item:hover{border-color:rgba(15,164,122,.6);transform:translateY(-3px);}
.glossary-item h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.glossary-item p{font-size:14px;color:rgba(247,250,249,.66);line-height:1.72;}
.glossary-tag{
  display:inline-block;
  margin-bottom:12px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-primary-2);
  border:1px solid rgba(18,192,138,.4);
  border-radius:999px;
  padding:2px 10px;
}

/* ============ 误区对比 ============ */
.pit-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.pit-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
}
.pit-card h3{font-size:17px;font-weight:700;margin-bottom:14px;}
.pit-row{
  border-radius:12px;
  padding:12px 14px;
  font-size:14px;
  line-height:1.7;
}
.pit-bad{
  background:rgba(227,63,63,.07);
  border-left:3px solid var(--c-alert);
  color:#8c2a2a;
}
.pit-good{
  margin-top:10px;
  background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);
  color:#0b6a50;
}
.pit-row b{display:block;font-size:12px;letter-spacing:.06em;margin-bottom:4px;opacity:.85;}

/* ============ FAQ ============ */
.faq-arena{
  max-width:900px;
  margin:0 auto;
}
.faq-arena .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--c-line);
  border-radius:0;
}
.faq-arena .accordion-item:first-of-type{border-top:1px solid var(--c-line);}
.faq-arena .accordion-button{
  background:transparent;
  color:var(--c-text);
  font-size:16px;
  font-weight:700;
  text-align:left;
  padding:20px 44px 20px 16px;
  border-radius:0;
  box-shadow:none;
  position:relative;
}
.faq-arena .accordion-button::after{
  display:none;
}
.faq-arena .accordion-button::before{
  content:"+";
  position:absolute;
  right:14px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:600;
  color:var(--c-primary);
  line-height:1;
}
.faq-arena .accordion-button:not(.collapsed){
  color:var(--c-primary);
  box-shadow:inset 3px 0 0 var(--c-primary);
  background:transparent;
}
.faq-arena .accordion-button:not(.collapsed)::before{content:"−";}
.faq-arena .accordion-button:focus{box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-arena .accordion-body{
  padding:0 44px 22px 19px;
  font-size:15px;
  color:var(--c-text-2);
  line-height:1.8;
}
.faq-arena .accordion-body strong{color:var(--c-text);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-ink);
  border-radius:22px;
  padding:52px 48px;
  color:rgba(247,250,249,.78);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,164,122,.35),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.3;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(247,250,249,.68);max-width:44ch;}
.cta-form{
  position:relative;
  z-index:2;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.cta-form .field{flex:1 1 190px;min-width:0;}
.cta-form input{
  width:100%;
  height:48px;
  border-radius:12px;
  border:1px solid rgba(247,250,249,.24);
  background:rgba(247,250,249,.07);
  color:#F7FAF9;
  padding:0 16px;
  outline:none;
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(247,250,249,.42);}
.cta-form input:focus{
  border-color:var(--c-primary-2);
  background:rgba(247,250,249,.11);
  box-shadow:0 0 0 4px rgba(18,192,138,.18);
}
.cta-form input.is-error{border-color:var(--c-alert);box-shadow:0 0 0 4px rgba(227,63,63,.16);}
.cta-hint{
  width:100%;
  font-size:13px;
  color:rgba(247,250,249,.5);
  margin-top:2px;
}
.cta-hint.is-error{color:#ff9d9d;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(247,250,249,.7);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(247,250,249,.12);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:800;
}
.footer-brand:hover{color:var(--c-primary-2);}
.footer-brand .brand-mark{
  background:rgba(247,250,249,.08);
  border:1px solid rgba(247,250,249,.18);
  box-shadow:none;
}
.footer-about{
  margin-top:16px;
  font-size:14px;
  line-height:1.75;
  color:rgba(247,250,249,.6);
  max-width:34ch;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(247,250,249,.66);
}
.footer-col a:hover{color:var(--c-primary-2);}
.footer-col li.plain{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:rgba(247,250,249,.6);
}
.footer-col li.plain span:last-child{color:rgba(247,250,249,.82);}
.footer-bottom{
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,250,249,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .nav-search input{width:92px;}
  .nav-channels{gap:20px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .nav-channels{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .hero{padding:24px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual img{height:300px;}
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .glossary-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pit-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .container-xl{padding-left:16px;padding-right:16px;}
  .ticker-clock{display:none;}
  .hero h1{font-size:30px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .prep-grid{grid-template-columns:1fr;}
  .glossary-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:48px minmax(0,1fr);gap:16px;}
  .tl-node{width:48px;height:48px;}
  .timeline::before{left:23px;}
  .tl-num{font-size:16px;}
  .tl-card{padding:20px;}
  .tl-list{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-arena,
  .hero-actions .btn-outline-arena{width:100%;}
  .cta-form{flex-direction:column;}
  .cta-form .btn-arena{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .brand{font-size:15px;}
  .brand-mark{width:30px;height:30px;}
  .ticker{height:auto;min-height:44px;padding:8px 0;}
  .ticker-inner{height:auto;flex-wrap:wrap;white-space:normal;gap:10px;}
  .ticker-label{white-space:normal;}
}