/* roulang page: index */
:root{
  --bg-0:#080B18;
  --bg-1:#0E1428;
  --bg-2:#161D38;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2C;
  --primary-deep:#E5541A;
  --secondary:#3ADCBE;
  --accent:#FFC64B;
  --violet:#6D5BFF;
  --t-1:#F2F4FA;
  --t-2:#A8B0C8;
  --t-3:#6E7793;
  --r-lg:26px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px -24px rgba(0,0,0,.8);
  --shadow-cta:0 12px 28px -12px rgba(255,106,44,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(820px 520px at 88% -6%, rgba(255,106,44,.10), transparent 68%),
    radial-gradient(700px 460px at 6% 12%, rgba(109,91,255,.09), transparent 66%);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--secondary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--secondary);outline-offset:3px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;}
@media (min-width:640px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 40px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ---------- 页头：倒计时条 + 卡片化导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,11,24,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.countdown{
  max-width:1240px;margin:0 auto;
  padding:0 20px;
}
@media (min-width:640px){.countdown{padding:0 24px;}}
@media (min-width:1024px){.countdown{padding:0 40px;}}
.countdown-inner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  height:42px;margin-top:10px;padding:0 14px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),#FF8A3D);
  color:#1A0A02;
  box-shadow:0 10px 26px -16px rgba(255,106,44,.75);
  overflow:hidden;
}
.cd-label{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.cd-label i{font-size:12px;}
.cd-clocks{display:flex;align-items:center;gap:6px;flex-shrink:0;}
.cd-unit{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:44px;padding:2px 8px;border-radius:8px;
  background:rgba(0,0,0,.18);
  line-height:1.1;
}
.cd-unit b{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;}
.cd-unit span{font-size:11px;opacity:.78;}
.cd-sep{font-weight:700;opacity:.7;padding-bottom:8px;}
@media (max-width:639px){
  .cd-days{display:none;}
  .cd-label span{display:inline-block;max-width:9em;overflow:hidden;white-space:nowrap;}
  .cd-unit{min-width:38px;padding:2px 6px;}
}
.nav-card{
  display:flex;align-items:center;gap:18px;
  margin:10px 0 12px;
  padding:12px 16px;
  border-radius:18px;
  background:rgba(14,20,40,.94);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;line-height:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;color:var(--t-1);}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.01em;}
.brand-text small{font-size:11px;color:var(--t-3);letter-spacing:.08em;}
.nav-tiles{display:flex;align-items:center;gap:10px;flex:1;justify-content:center;}
.nav-tile{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:9px 14px 9px 12px;
  border-radius:var(--r-sm);
  background:var(--bg-2);
  border:1px solid var(--line);
  color:var(--t-1);
  transition:transform .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.nav-tile i{font-size:15px;color:var(--secondary);}
.nav-tile .nt-body{display:flex;flex-direction:column;line-height:1.25;}
.nav-tile .nt-title{font-size:13.5px;font-weight:600;color:var(--t-1);}
.nav-tile .nt-desc{font-size:11px;color:var(--t-3);}
.nav-tile:hover{transform:translateY(-2px);border-color:var(--line-strong);color:var(--t-1);}
.nav-tile:hover .nt-title{color:var(--primary);}
.nav-tile.active{border-color:rgba(255,106,44,.5);}
.nav-tile.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:56%;border-radius:3px;background:var(--primary);
}
.nav-tile.active .nt-title{color:var(--primary);}
.nav-tile.active i{color:var(--primary);}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.link-soft{font-size:13.5px;color:var(--t-2);}
.link-soft:hover{color:var(--primary);text-decoration:underline;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:14.5px;font-weight:700;letter-spacing:.01em;
  transition:filter .18s ease,transform .12s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,#FF7C3E,var(--primary));
  color:#1A0A02;box-shadow:var(--shadow-cta);
}
.btn-primary:hover{filter:brightness(1.08);color:#1A0A02;box-shadow:0 14px 30px -10px rgba(255,106,44,.7);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border:1px solid var(--secondary);color:var(--secondary);}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(255,106,44,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--bg-2);border:1px solid var(--line);color:var(--t-1);
  align-items:center;justify-content:center;font-size:17px;
}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(8,11,24,.98);
  padding:18px 0 22px;
}
.drawer.open{display:block;animation:drawerIn .18s ease-out;}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:none;}}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;}
.drawer-tile{
  display:flex;flex-direction:column;gap:4px;
  padding:14px;border-radius:var(--r-sm);
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--t-1);
}
.drawer-tile i{color:var(--secondary);font-size:15px;}
.drawer-tile .dt-title{font-size:14px;font-weight:600;}
.drawer-tile .dt-desc{font-size:11.5px;color:var(--t-3);}
.drawer-tile.active{border-color:rgba(255,106,44,.5);}
.drawer-tile.active .dt-title{color:var(--primary);}
@media (max-width:1023px){
  .nav-tiles,.header-actions .link-soft{display:none;}
  .burger{display:inline-flex;}
  .nav-card{gap:12px;padding:10px 14px;}
}
@media (max-width:639px){
  .brand-text b{font-size:14.5px;}
  .brand-text small{display:none;}
  .header-actions .btn{padding:0 16px;font-size:13.5px;}
}

/* ---------- 通用板块 ---------- */
main{position:relative;z-index:1;}
.section{padding:56px 0;}
@media (min-width:640px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;
  color:var(--accent);
  border:1px solid rgba(255,198,75,.42);
  background:rgba(255,198,75,.10);
}
.section-head{margin-bottom:34px;}
.section-head .trail{
  width:88px;height:1px;margin-top:16px;
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 6px,transparent 6px 12px);
}
.section-head h2{
  margin-top:16px;
  font-size:clamp(24px,3.2vw,34px);
  font-weight:700;line-height:1.25;
}
.section-head p{margin-top:12px;color:var(--t-2);font-size:15px;max-width:720px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:52px 0 60px;}
@media (min-width:1024px){.hero{padding:72px 0 84px;min-height:600px;}}
.hero-stars{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.3) 1px,transparent 1px);
  background-size:52px 52px;
  opacity:.16;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
}
.hero-glow{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(560px 380px at 78% 24%, rgba(255,106,44,.16), transparent 70%),
    radial-gradient(480px 340px at 8% 68%, rgba(109,91,255,.14), transparent 72%);
}
.hero-grid{position:relative;z-index:1;display:grid;gap:36px;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;}}
.hero h1{
  margin-top:18px;
  font-size:clamp(30px,5vw,52px);
  font-weight:800;line-height:1.18;letter-spacing:-.01em;
  max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:16px;font-size:16.5px;color:var(--t-2);max-width:34em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stats .stat b{display:block;font-size:24px;font-weight:800;color:var(--t-1);font-variant-numeric:tabular-nums;}
.hero-stats .stat span{font-size:12px;letter-spacing:.06em;color:var(--t-3);}
.hero-figure{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
@media (max-width:1023px){.hero-figure img{aspect-ratio:16/9;max-height:280px;}}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,11,24,.05),rgba(8,11,24,.72));
}
.float-card{
  position:absolute;left:16px;bottom:16px;right:16px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(14,20,40,.92);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(6px);
}
.float-card .fc-main{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t-2);}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--secondary);animation:starPulse 4.6s ease-in-out infinite;}
@keyframes starPulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.float-card .fc-num{font-size:14px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
@media (prefers-reduced-motion:reduce){
  .pulse-dot{animation:none;}
  *{transition-duration:.01ms !important;}
}

/* ---------- 卖点网格 ---------- */
.adv-grid{display:grid;gap:18px;}
@media (min-width:1024px){.adv-grid{grid-template-columns:repeat(12,1fr);gap:20px;}}
.adv-card{padding:24px;display:flex;flex-direction:column;gap:12px;}
.adv-card h3{font-size:19px;font-weight:600;line-height:1.4;}
.adv-card p{font-size:14.5px;line-height:1.75;color:var(--t-2);}
.adv-icon{
  width:44px;height:44px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(58,220,190,.12);color:var(--secondary);font-size:17px;
}
.adv-feature{overflow:hidden;padding:0;}
.adv-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.adv-feature .adv-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;}
.adv-split{grid-column:span 6;}
.adv-third{grid-column:span 3;}
.adv-wide{grid-column:span 6;}
.adv-list{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.adv-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t-2);}
.adv-list i{color:var(--secondary);margin-top:5px;font-size:12px;}
@media (max-width:1023px){
  .adv-split,.adv-third,.adv-wide{grid-column:auto;}
}

/* ---------- 流程步骤 ---------- */
.step-strip{display:grid;gap:18px;}
@media (min-width:768px){.step-strip{grid-template-columns:repeat(4,1fr);gap:22px;}}
.step-item{position:relative;padding-top:22px;}
.step-item::before{
  content:"";position:absolute;top:7px;left:0;width:14px;height:14px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(255,106,44,.16);
}
.step-item::after{
  content:"";position:absolute;top:13px;left:22px;right:0;height:1px;
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 8px,transparent 8px 16px);
}
.step-item:last-child::after{display:none;}
.step-item .st-num{font-size:12px;letter-spacing:.1em;color:var(--accent);font-weight:700;}
.step-item h3{margin-top:8px;font-size:17px;font-weight:600;}
.step-item p{margin-top:6px;font-size:14px;color:var(--t-2);line-height:1.7;}

/* ---------- 图墙 ---------- */
.wall-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
@media (min-width:1024px){.wall-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
.wall-item{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--bg-2);
  min-height:200px;
}
@media (min-width:1024px){
  .wall-item.wide{grid-column:span 2;}
  .wall-item.tall{min-height:318px;}
  .wall-item.mid{min-height:238px;}
}
.wall-item img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .25s ease-out;}
.wall-item:hover img{transform:scale(1.05);}
.wall-item:hover{border-color:var(--line-strong);}
.wall-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:3px 10px;border-radius:999px;font-size:11.5px;letter-spacing:.06em;
  color:var(--accent);background:rgba(8,11,24,.72);border:1px solid rgba(255,198,75,.45);
}
.wall-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 16px 16px;
  background:linear-gradient(180deg,transparent,rgba(8,11,24,.88));
  font-size:14.5px;font-weight:600;color:#fff;
}

/* ---------- CTA 表单区 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:32px 22px;
  background:linear-gradient(115deg,var(--primary-deep),var(--primary) 42%,#FF8A3D);
  color:#1A0A02;
}
@media (min-width:640px){.cta-band{padding:44px 40px;}}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 260px at 88% 8%, rgba(255,255,255,.20), transparent 70%);
}
.cta-grid{position:relative;z-index:1;display:grid;gap:28px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:40px;align-items:start;}}
.cta-band h2{font-size:clamp(23px,3vw,32px);font-weight:800;line-height:1.28;color:#1A0A02;}
.cta-band .cta-desc{margin-top:12px;font-size:15px;color:rgba(26,10,2,.78);max-width:32em;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;font-weight:600;color:#241003;}
.cta-points i{margin-top:4px;font-size:13px;}
.form-card{
  background:var(--bg-1);
  border:1px solid var(--line-strong);
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow-card);
}
@media (min-width:640px){.form-card{padding:30px;}}
.form-card h3{font-size:18px;font-weight:700;color:var(--t-1);}
.form-card .fc-tip{margin-top:6px;font-size:13px;color:var(--t-3);}
.form-row{margin-top:16px;}
.form-row label{display:block;font-size:13px;color:var(--t-2);margin-bottom:6px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 16px;border-radius:var(--r-sm);
  background:var(--bg-2);
  border:1px solid var(--line);
  color:var(--t-1);font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--t-3);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(255,106,44,.16);
}
.form-row textarea{resize:vertical;min-height:88px;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--t-3);}
.form-msg{margin-top:14px;font-size:13.5px;color:var(--secondary);display:none;}
.form-msg.show{display:block;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;gap:14px;}
@media (min-width:1024px){.faq-grid{grid-template-columns:1fr 1fr;gap:16px;}}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--bg-2);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 18px;text-align:left;color:var(--t-1);
  transition:background .2s ease;
}
.faq-item.open .faq-q{background:var(--bg-1);}
.faq-num{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);flex-shrink:0;}
.faq-text{flex:1;font-size:15.5px;font-weight:600;line-height:1.5;}
.faq-icon{
  position:relative;width:20px;height:20px;flex-shrink:0;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--secondary);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{padding:0 18px 20px;font-size:14.5px;line-height:1.8;color:var(--t-2);}

/* ---------- 最新信息 CMS 区 ---------- */
.news-grid{display:grid;gap:20px;}
@media (min-width:640px){.news-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-card{
  display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;color:var(--t-1);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);color:var(--t-1);}
.news-thumb{position:relative;overflow:hidden;margin:0;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-badge{
  position:absolute;top:12px;left:12px;
  padding:3px 10px;border-radius:999px;font-size:11.5px;letter-spacing:.06em;
  color:var(--accent);background:rgba(8,11,24,.75);border:1px solid rgba(255,198,75,.45);
}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;line-height:1.7;color:var(--t-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--t-3);font-variant-numeric:tabular-nums;
}
.news-foot i{transition:transform .2s ease;}
.news-card:hover .news-foot i{transform:translateX(4px);color:var(--primary);}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:52px 24px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px dashed var(--line-strong);text-align:center;
}
.empty-state i{font-size:30px;color:var(--t-3);}
.empty-state p{color:var(--t-2);font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:52px 0 26px;
}
.footer-grid{display:grid;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{font-size:16px;font-weight:800;color:var(--t-1);}
.footer-desc{font-size:14px;color:var(--t-2);line-height:1.75;max-width:30em;}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-row a{
  width:38px;height:38px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--t-2);font-size:14px;
}
.social-row a:hover{color:var(--primary);border-color:rgba(255,106,44,.5);}
.footer-title{font-size:12.5px;letter-spacing:.08em;color:var(--t-3);margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--t-2);}
.footer-list a:hover{color:var(--primary);text-decoration:underline;}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--t-3);
}
@media (max-width:639px){
  .footer-grid{gap:30px;}
  .footer-bottom{justify-content:flex-start;}
}

/* roulang page: article */
:root{
  --bg-0:#080B18;
  --bg-1:#0E1428;
  --bg-2:#161D38;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2C;
  --primary-deep:#E5541A;
  --secondary:#3ADCBE;
  --accent:#FFC64B;
  --violet:#6D5BFF;
  --t1:#F2F4FA;
  --t2:#A8B0C8;
  --t3:#6E7793;
  --r-xl:26px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06),0 18px 40px -24px rgba(0,0,0,.8);
  --shadow-cta:0 12px 28px -12px rgba(255,106,44,.55);
  --container:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--secondary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit;}
:focus-visible{outline:2px solid var(--secondary);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ---------- 顶部吸附区 ---------- */
.topbar{position:sticky;top:0;z-index:60;}
.countdown-bar{background:linear-gradient(90deg,var(--primary),#FF8A3D);color:#170A02;}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:44px;}
.cd-label{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;letter-spacing:.02em;}
.cd-label i{font-size:13px;}
.cd-timer{display:flex;align-items:center;gap:8px;}
.cd-unit{display:flex;align-items:baseline;gap:4px;background:rgba(0,0,0,.18);border-radius:8px;padding:4px 9px;}
.cd-unit b{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;}
.cd-unit small{font-size:11px;opacity:.78;}

/* ---------- 导航卡片 ---------- */
.site-header{padding:14px 0 12px;background:rgba(8,11,24,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:rgba(14,20,40,.94);
  border:1px solid var(--line);
  border-radius:18px;
  padding:11px 18px;
  box-shadow:var(--shadow-card);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--t1);}
.brand:hover{text-decoration:none;color:var(--t1);}
.brand-mark{display:inline-flex;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:15.5px;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:11px;color:var(--t3);letter-spacing:.08em;}
.nav-tiles{display:flex;gap:10px;margin:0 auto;}
.nav-tile{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:8px 13px;border-radius:12px;
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--t2);transition:transform .18s ease,border-color .18s ease,color .18s ease;
}
.nav-tile:hover{transform:translateY(-2px);border-color:var(--line-strong);color:var(--t1);text-decoration:none;}
.nav-tile i{font-size:14px;color:var(--secondary);}
.nav-tile.active{color:var(--primary);}
.nav-tile.active i{color:var(--primary);}
.nav-tile.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--primary);}
.nt-body{display:flex;flex-direction:column;line-height:1.25;}
.nt-title{font-size:13px;font-weight:600;}
.nt-desc{font-size:10.5px;color:var(--t3);letter-spacing:.02em;}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.link-soft{font-size:13.5px;color:var(--t2);}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--bg-2);color:var(--t1);align-items:center;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#1A0A02;}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-cta);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--secondary);color:var(--secondary);}
.btn-ghost:hover{background:rgba(58,220,190,.1);color:var(--secondary);}
.btn-line{background:transparent;border-color:var(--line-strong);color:var(--t1);}
.btn-line:hover{background:var(--bg-2);color:var(--t1);}
.btn.sm{min-height:38px;padding:0 16px;font-size:13.5px;}

/* ---------- 通用标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;
  border:1px solid rgba(255,198,75,.45);
  background:rgba(255,198,75,.10);
  color:var(--accent);
}
.tag.cyan{border-color:rgba(58,220,190,.45);background:rgba(58,220,190,.10);color:var(--secondary);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:44px 0 40px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 8% 0%,rgba(255,106,44,.14),transparent 70%),
    radial-gradient(520px 240px at 88% 12%,rgba(109,91,255,.12),transparent 72%),
    radial-gradient(rgba(255,255,255,.10) 1px,transparent 1.4px);
  background-size:auto,auto,26px 26px;
  background-position:0 0,0 0,0 0;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--t3);opacity:.6;}
.crumb .cur{color:var(--t3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  margin:14px 0 18px;
  font-size:clamp(26px,4vw,40px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t3);letter-spacing:.02em;}
.meta-row .dot{opacity:.5;}
.hero-cover{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);}
.hero-cover img{width:100%;height:260px;object-fit:cover;}

/* ---------- 正文区 ---------- */
.article-main{padding:48px 0 72px;}
.article-layout{display:grid;grid-template-columns:150px minmax(0,820px);gap:44px;align-items:start;}
.article-layout.no-toc{grid-template-columns:minmax(0,820px);}
.toc{position:sticky;top:130px;display:block;}
.toc p{font-size:12px;letter-spacing:.08em;color:var(--t3);margin:0 0 10px;}
.toc a{
  display:block;font-size:13px;color:var(--t2);line-height:1.5;
  padding:6px 0 6px 12px;border-left:2px solid var(--line);position:relative;
}
.toc a:hover{color:var(--primary);text-decoration:none;}
.toc a.on{color:var(--primary);border-left-color:var(--primary);}

.back-line{margin-bottom:26px;}
.article-content{font-size:16.5px;line-height:1.85;color:var(--t1);max-width:820px;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.35;
  margin:44px 0 18px;padding-left:14px;scroll-margin-top:140px;
}
.article-content h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;background:var(--primary);}
.article-content h3{font-size:19px;font-weight:600;line-height:1.4;margin:32px 0 12px;scroll-margin-top:140px;}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-content ul,.article-content ol{padding-left:1.25em;line-height:1.8;margin:0 0 1.2em;}
.article-content li{margin:.35em 0;}
.article-content ul li::marker{color:var(--secondary);}
.article-content ol li::marker{color:var(--accent);}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--secondary);
  background:var(--bg-1);border-radius:0 12px 12px 0;color:var(--t2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:14px;margin:26px auto;}
.article-content figure{margin:26px 0;}
.article-content figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-content a{color:var(--secondary);}
.article-content a:hover{color:var(--primary);}
.article-content strong{color:var(--accent);font-weight:600;}
.article-content table{width:100%;border-collapse:collapse;border:1px solid var(--line);font-size:15px;margin:24px 0;border-radius:12px;overflow:hidden;}
.article-content th{background:var(--bg-2);font-weight:600;text-align:left;}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;}
.article-content pre{background:#0A0F22;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:14px;}
.article-content code{background:rgba(255,255,255,.06);border-radius:6px;padding:2px 6px;font-size:.92em;}
.article-content hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  background:var(--bg-1);padding:56px 28px;text-align:center;max-width:820px;
}
.empty-state i{font-size:30px;color:var(--secondary);}
.empty-state h2{font-size:22px;font-weight:700;margin:16px 0 8px;}
.empty-state p{color:var(--t2);margin:0 auto 22px;max-width:460px;font-size:15px;}

/* ---------- 文末模块 ---------- */
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;max-width:820px;}
.post-tags a{
  padding:6px 14px;border-radius:12px;font-size:13px;color:var(--t2);
  background:var(--bg-2);border:1px solid var(--line);
}
.post-tags a:hover{color:var(--primary);border-color:var(--line-strong);text-decoration:none;transform:translateY(-2px);}
.source-card{
  display:flex;align-items:center;gap:16px;margin-top:24px;max-width:820px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--shadow-card);
}
.source-card .sc-ava{
  width:50px;height:50px;border-radius:14px;flex-shrink:0;overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
}
.source-card .sc-ava img{width:100%;height:100%;object-fit:cover;}
.source-card b{display:block;font-size:15px;}
.source-card span{font-size:13px;color:var(--t3);}
.return-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;max-width:820px;}

.related{padding:64px 0 76px;border-top:1px solid var(--line);background:var(--bg-1);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.sec-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;margin:0;line-height:1.3;}
.sec-head p{margin:8px 0 0;color:var(--t2);font-size:14.5px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  display:block;background:var(--bg-0);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;color:var(--t1);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);text-decoration:none;color:var(--t1);}
.rel-card figure{margin:0;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);}
.rel-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover figure img{transform:scale(1.04);}
.rel-body{padding:18px 18px 20px;}
.rel-body .tag{margin-bottom:12px;}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.45;margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body p{font-size:14px;color:var(--t2);line-height:1.7;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);border-top:1px solid var(--line);padding-top:12px;}
.rel-foot i{transition:transform .2s ease;}
.rel-card:hover .rel-foot i{transform:translateX(4px);color:var(--primary);}

.cta-strip{padding:0 0 80px;}
.cta-box{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px 36px;box-shadow:var(--shadow-card);
}
.cta-box h2{margin:0 0 8px;font-size:clamp(20px,2.6vw,26px);font-weight:700;}
.cta-box p{margin:0;color:var(--t2);font-size:14.5px;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#070A15;border-top:1px solid var(--line);padding:60px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{font-size:16px;font-weight:800;}
.footer-desc{font-size:14px;color:var(--t2);line-height:1.8;margin:0 0 18px;max-width:360px;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--t2);
}
.social-row a:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px);text-decoration:none;}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--t3);margin:0 0 14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a,.footer-list span{font-size:14px;color:var(--t2);}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-tiles{display:none;}
  .burger{display:inline-flex;}
  .nav-tiles.open{
    display:grid;grid-template-columns:1fr 1fr;gap:12px;
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:80;
    background:rgba(8,11,24,.98);padding:96px 24px 32px;
    margin:0;overflow-y:auto;animation:drawerIn .18s ease-out;
  }
  .nav-tiles.open .nav-tile{width:100%;}
  .nav-tiles.open .nt-desc{font-size:11px;}
  .nav-drawer-close{
    display:none;position:fixed;top:22px;right:24px;z-index:90;
    width:44px;height:44px;border-radius:12px;background:var(--bg-2);
    border:1px solid var(--line);color:var(--t1);align-items:center;justify-content:center;
  }
  .nav-tiles.open ~ .nav-drawer-close{display:inline-flex;}
}
@keyframes drawerIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .toc{display:none;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 24px;}
  .nav-tiles.open{grid-template-columns:1fr;}
  .article-hero{padding:32px 0 30px;}
  .hero-cover img{height:200px;}
  .cta-box{padding:26px 22px;}
  .article-content{font-size:15.8px;line-height:1.85;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .nav-card{padding:10px 12px;gap:10px;}
  .brand-text small{display:none;}
  .link-soft{display:none;}
  .countdown-inner{min-height:42px;}
  .cd-label span{max-width:8em;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
  .cd-unit.days{display:none;}
  .crumb .cur{max-width:180px;}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-box{flex-direction:column;align-items:flex-start;}
  .cta-box .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#080B18;
  --bg-1:#0E1428;
  --bg-2:#161D38;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2C;
  --primary-deep:#E5541A;
  --secondary:#3ADCBE;
  --accent:#FFC64B;
  --violet:#6D5BFF;
  --t1:#F2F4FA;
  --t2:#A8B0C8;
  --t3:#6E7793;
  --r-lg:26px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px -24px rgba(0,0,0,.8);
  --shadow-cta:0 12px 28px -12px rgba(255,106,44,.55);
  --font-cn:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--secondary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--secondary);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--bg-2);color:var(--t1);padding:10px 16px;border-radius:0 0 12px 0;z-index:99}
.skip-link:focus{left:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* 顶部倒计时条 */
.topbar{
  background:linear-gradient(90deg,var(--primary) 0%,#FF8A3D 100%);
  color:#1A0C04;
}
.tb-inner{
  max-width:1240px;margin:0 auto;padding:0 32px;
  min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.tb-text{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;letter-spacing:.01em}
.tb-timer{display:flex;align-items:center;gap:10px}
.tb-unit{display:flex;align-items:center;gap:6px}
.tb-num{
  display:inline-block;min-width:38px;text-align:center;
  background:rgba(0,0,0,.18);border-radius:8px;padding:2px 8px;
  font-weight:700;font-size:15px;line-height:1.5;
  font-variant-numeric:tabular-nums;
}
.tb-label{font-size:11px;color:rgba(26,12,4,.72);letter-spacing:.04em}

/* 页头与导航 */
.site-header{position:sticky;top:0;z-index:50;padding:14px 0 6px;background:transparent;transition:background .2s ease,padding .2s ease}
.site-header.is-scrolled{background:rgba(8,11,24,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:10px 0}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:18px;
  background:rgba(14,20,40,.94);
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px 18px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(8px);
}
.is-scrolled .nav-card{border-color:var(--line-strong)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--t1)}
.brand:hover{color:var(--t1)}
.brand-mark{display:inline-flex;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-text small{font-size:11px;color:var(--t3);letter-spacing:.06em}
.nav-tiles{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-tile{
  position:relative;
  display:flex;align-items:center;gap:10px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:12px;
  padding:8px 14px 8px 12px;
  color:var(--t2);
  transition:transform .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.nav-tile i{font-size:15px;color:var(--secondary)}
.nav-tile .nt-body{display:flex;flex-direction:column;line-height:1.25}
.nav-tile .nt-title{font-size:13.5px;font-weight:600;color:var(--t1)}
.nav-tile .nt-desc{font-size:10.5px;color:var(--t3);letter-spacing:.02em}
.nav-tile:hover{transform:translateY(-2px);border-color:var(--line-strong);color:var(--t1)}
.nav-tile.active{border-color:rgba(255,106,44,.5);background:rgba(255,106,44,.10)}
.nav-tile.active .nt-title{color:var(--primary)}
.nav-tile.active::before{
  content:"";position:absolute;left:-1px;top:14%;height:72%;width:3px;
  border-radius:3px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.link-soft{font-size:13.5px;color:var(--t2)}
.link-soft:hover{color:var(--primary);text-decoration:underline}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;
  font-size:14.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:filter .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(120deg,var(--primary) 0%,#FF8A3D 100%);color:#1A0C04;box-shadow:var(--shadow-cta)}
.btn-primary:hover{filter:brightness(1.08);color:#1A0C04;box-shadow:0 16px 34px -12px rgba(255,106,44,.7)}
.btn-ghost{background:transparent;border-color:var(--secondary);color:var(--secondary)}
.btn-ghost:hover{background:rgba(58,220,190,.10);color:var(--secondary)}
.btn-dark{background:var(--bg-2);border-color:var(--line);color:var(--t1)}
.btn-dark:hover{border-color:var(--line-strong);color:var(--t1)}
.burger{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--bg-2);border:1px solid var(--line);color:var(--t1);cursor:pointer}
.burger:hover{border-color:var(--line-strong)}

@media (max-width:1023px){
  .nav-tiles{display:none}
  .burger{display:inline-flex}
  body.nav-open .nav-tiles{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    background:var(--bg-1);border:1px solid var(--line-strong);border-radius:18px;
    padding:16px;box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
    animation:drawerIn .18s ease-out both;
  }
  body.nav-open .nav-tile{padding:12px}
  body.nav-open .nav-tile .nt-desc{font-size:11px}
  .header-actions .link-soft{display:none}
  .brand-text{display:none}
}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* 星空装饰 */
.starfield{
  position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%,rgba(242,244,250,.55) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 28% 68%,rgba(58,220,190,.5) 50%,transparent 51%),
    radial-gradient(1.6px 1.6px at 46% 18%,rgba(255,198,75,.5) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 64% 74%,rgba(242,244,250,.4) 50%,transparent 51%),
    radial-gradient(1.4px 1.4px at 82% 34%,rgba(58,220,190,.42) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 92% 66%,rgba(255,198,75,.4) 50%,transparent 51%);
}

/* 分类页头部 */
.page-head{position:relative;padding:52px 0 20px;overflow:hidden}
.page-head::before{
  content:"";position:absolute;top:-180px;left:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,44,.10) 0%,rgba(255,106,44,0) 68%);
}
.page-head::after{
  content:"";position:absolute;top:-120px;right:-140px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,91,255,.12) 0%,rgba(109,91,255,0) 70%);
}
.page-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--t3);opacity:.6}
.breadcrumb .current{color:var(--t2)}
.ph-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--accent);
  background:rgba(255,198,75,.10);border:1px solid rgba(255,198,75,.4);
  border-radius:999px;padding:5px 14px;
}
.ph-grid h1{
  font-size:clamp(30px,5vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  margin:18px 0 0;
}
.ph-lead{margin-top:18px;color:var(--t2);font-size:16px;line-height:1.8;max-width:38em}
.ph-lead + .ph-lead{margin-top:10px}
.ph-points{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap}
.ph-point b{display:block;font-size:24px;font-weight:800;color:var(--t1);font-variant-numeric:tabular-nums}
.ph-point span{font-size:12px;color:var(--t3);letter-spacing:.04em}
.ph-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.ph-media img{width:100%;height:288px;object-fit:cover}
.ph-media figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(8,11,24,.82);border:1px solid var(--line-strong);border-radius:14px;
  padding:12px 14px;font-size:12.5px;color:var(--t2);line-height:1.6;
}
.ph-media figcaption b{color:var(--t1);display:block;font-size:14px;margin-bottom:2px}

/* 主体：锚点 + 分组 */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.rule{width:96px;height:1px;background:var(--line-strong);margin:0 0 22px;position:relative}
.rule::after{content:"";position:absolute;right:-6px;top:-2.5px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.cat-wrap{display:grid;grid-template-columns:220px 1fr;gap:44px;align-items:start}
.anchor-nav{position:sticky;top:104px;display:flex;flex-direction:column;gap:8px}
.anchor-nav .an-title{font-size:12px;color:var(--t3);letter-spacing:.1em;margin-bottom:6px}
.anchor-link{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--t2);
  background:var(--bg-1);border:1px solid var(--line);border-radius:12px;
  padding:10px 14px;position:relative;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.anchor-link .idx{font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums}
.anchor-link:hover{border-color:var(--line-strong);color:var(--t1);transform:translateY(-2px)}
.anchor-link.active{border-color:rgba(255,106,44,.5);color:var(--primary);background:rgba(255,106,44,.08)}
.anchor-link.active::before{content:"";position:absolute;left:-1px;top:16%;height:68%;width:3px;border-radius:3px;background:var(--primary)}
.anchor-link.active .idx{color:var(--primary)}

.group-list{display:flex;flex-direction:column;gap:34px}
.group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:16px}
.group-no{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--accent);
  border:1px solid rgba(255,198,75,.4);background:rgba(255,198,75,.08);
  border-radius:10px;padding:5px 10px;line-height:1.3;font-variant-numeric:tabular-nums;
}
.group-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3}
.group-head p{font-size:13.5px;color:var(--t3);margin-top:6px}
.row-list{display:flex;flex-direction:column;gap:12px}
.row-card{
  display:flex;align-items:center;gap:16px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.row-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--bg-2)}
.rc-icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--secondary);font-size:16px;
}
.rc-body{min-width:0}
.rc-title{font-size:16px;font-weight:600;line-height:1.4;color:var(--t1)}
.rc-desc{font-size:13.5px;color:var(--t2);line-height:1.7;margin-top:2px}
.rc-arrow{margin-left:auto;color:var(--t3);transition:transform .2s ease,color .2s ease}
.row-card:hover .rc-arrow{transform:translateX(4px);color:var(--primary)}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.step{position:relative;padding:0 18px 0 0}
.step-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.step-dot{
  width:16px;height:16px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 5px rgba(255,106,44,.16);flex:0 0 auto;
}
.step-line{flex:1;height:1px;background:var(--line-strong)}
.step:last-child .step-line{display:none}
.step-no{font-size:12px;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;font-weight:600;line-height:1.4}
.step p{font-size:13.5px;color:var(--t2);margin-top:6px;line-height:1.7}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-item{background:var(--bg-1);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,background .2s ease}
.faq-item.open{background:var(--bg-2);border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;color:var(--t1);cursor:pointer;
  padding:18px 20px;font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q .idx{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;flex:0 0 auto}
.faq-icon{margin-left:auto;color:var(--t3);transition:transform .2s ease,color .2s ease;flex:0 0 auto}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-a{padding:0 20px 18px 50px;font-size:14.5px;color:var(--t2);line-height:1.8;display:none}
.faq-item.open .faq-a{display:block}

/* CTA 条 */
.cta-bar{
  background:var(--bg-2);border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:30px 32px;display:flex;align-items:center;gap:24px;justify-content:space-between;
  box-shadow:var(--shadow-card);
}
.cta-bar h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.35}
.cta-bar p{font-size:14px;color:var(--t2);margin-top:8px;max-width:52em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:60px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:16px;font-weight:800}
.footer-desc{font-size:13.5px;color:var(--t2);line-height:1.8;max-width:30em}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-2);border:1px solid var(--line);color:var(--secondary);
  transition:transform .2s ease,border-color .2s ease,color .2s ease;
}
.social-row a:hover{transform:translateY(-3px);border-color:var(--line-strong);color:var(--primary)}
.footer-title{font-size:13px;color:var(--t3);letter-spacing:.08em;margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:var(--t2)}
.footer-list a:hover{color:var(--primary);text-decoration:underline}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

@media (max-width:1023px){
  .container{padding:0 24px}
  .tb-inner{padding:0 24px}
  .ph-grid{grid-template-columns:1fr;gap:26px}
  .ph-media img{height:240px}
  .cat-wrap{grid-template-columns:1fr;gap:26px}
  .anchor-nav{
    position:static;flex-direction:row;overflow-x:auto;gap:10px;
    padding-bottom:6px;scrollbar-width:none;
  }
  .anchor-nav::-webkit-scrollbar{display:none}
  .anchor-nav .an-title{display:none}
  .anchor-link{flex:0 0 auto;white-space:nowrap}
  .anchor-link.active::before{display:none}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .step{padding:0}
  .step-line{display:none}
  .faq-grid{grid-template-columns:1fr}
  .cta-bar{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .page-head{padding:36px 0 12px}
  .ph-media img{height:220px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:22px}
  .tb-unit.days{display:none}
  .tb-text span{display:inline-block;max-width:8em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .row-card{padding:14px 16px}
  .faq-a{padding-left:20px}
}
@media (max-width:519px){
  .container{padding:0 20px}
  .tb-inner{padding:0 20px}
  .brand-text small{display:none}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#080B18;
  --bg-1:#0E1428;
  --bg-2:#161D38;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2C;
  --primary-deep:#E5541A;
  --secondary:#3ADCBE;
  --accent:#FFC64B;
  --violet:#6D5BFF;
  --t1:#F2F4FA;
  --t2:#A8B0C8;
  --t3:#6E7793;
  --r-xl:28px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px -24px rgba(0,0,0,.8);
  --shadow-cta:0 12px 28px -12px rgba(255,106,44,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--secondary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.tx-2{color:var(--t2)}
.tx-3{color:var(--t3)}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding-top:16px;background:linear-gradient(180deg,rgba(8,11,24,.98) 0%,rgba(8,11,24,.86) 62%,rgba(8,11,24,0) 100%)}
.nav-card{
  display:flex;align-items:center;gap:18px;
  padding:12px 18px;border-radius:18px;
  background:rgba(14,20,40,.92);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 18px 40px -28px rgba(0,0,0,.9);
  backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:10px;min-width:200px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text small{font-size:11px;color:var(--t3);letter-spacing:.06em}
.nav-tiles{display:flex;align-items:center;gap:10px;flex:1}
.nav-tile{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:8px 12px;border-radius:var(--r-sm);
  background:var(--bg-2);border:1px solid transparent;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.nav-tile i{color:var(--secondary);font-size:15px}
.nav-tile .nt-body{display:flex;flex-direction:column;line-height:1.3}
.nav-tile .nt-title{font-size:13.5px;font-weight:600;white-space:nowrap}
.nav-tile .nt-desc{font-size:11px;color:var(--t3);white-space:nowrap}
.nav-tile:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.nav-tile.active{background:rgba(255,106,44,.10)}
.nav-tile.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--primary)}
.nav-tile.active .nt-title{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.link-soft{font-size:13.5px;color:var(--t2);white-space:nowrap}
.link-soft:hover{color:var(--primary)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:#1A0800;box-shadow:var(--shadow-cta)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 16px 32px -12px rgba(255,106,44,.7)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--t1);border:1px solid var(--secondary)}
.btn-ghost:hover{background:rgba(58,220,190,.10);color:var(--secondary)}
.btn-ghost:active{transform:translateY(1px)}
.burger{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--bg-2);color:var(--t1);font-size:17px}
.burger:hover{color:var(--primary)}

/* 倒计时条 */
.ticker{
  margin-top:12px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 16px;color:#1A0800;
  background:linear-gradient(90deg,var(--primary) 0%,#FF8A3D 100%);
  box-shadow:0 14px 30px -22px rgba(255,106,44,.9);
}
.ticker-text{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.clock{display:flex;align-items:center;gap:8px}
.unit{display:inline-flex;align-items:baseline;gap:4px;background:rgba(0,0,0,.18);border-radius:8px;padding:4px 8px}
.unit b{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.unit small{font-size:11px;opacity:.75}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:rgba(8,11,24,.96);padding:20px;display:none}
.drawer.open{display:block;animation:drawerIn .18s ease-out}
@keyframes drawerIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;background:var(--bg-2);display:inline-flex;align-items:center;justify-content:center;font-size:17px}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:18px}
.drawer-grid .nav-tile{flex-direction:column;align-items:flex-start;gap:8px;padding:14px}
.drawer-grid .nav-tile .nt-desc{white-space:normal}
.drawer .btn{width:100%}

/* ---------- 页头 ---------- */
.page-hero{position:relative;margin-top:36px;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);background:var(--bg-1);box-shadow:var(--shadow-card)}
.page-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.30}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 320px at 88% 8%,rgba(109,91,255,.16),transparent 70%),radial-gradient(520px 300px at 6% 96%,rgba(255,106,44,.14),transparent 70%)}
.page-hero-inner{position:relative;z-index:2;padding:52px 44px 48px}
.accent-line{width:140px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),rgba(255,198,75,0))}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px}
.crumbs a{color:var(--t2)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.now{color:var(--t3)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.08em;
  color:var(--accent);border:1px solid rgba(255,198,75,.45);background:rgba(255,198,75,.10);
}
.badge.teal{color:var(--secondary);border-color:rgba(58,220,190,.45);background:rgba(58,220,190,.10)}
.page-title{
  font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  margin:20px 0 16px;max-width:18em;
}
.page-sub{font-size:16.5px;color:var(--t2);max-width:62ch;line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.meta-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-sm);background:var(--bg-2);border:1px solid var(--line);font-size:13px;color:var(--t2)}
.meta-chip b{color:var(--t1);font-variant-numeric:tabular-nums}
.meta-chip i{color:var(--secondary)}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.sec-title .dot{color:var(--primary)}
.sec-desc{margin-top:12px;font-size:15px;color:var(--t2);max-width:60ch}
.sec-link{font-size:14px;color:var(--secondary);display:inline-flex;align-items:center;gap:6px}
.sec-link:hover{color:var(--primary)}
.sec-link i{transition:transform .18s ease}
.sec-link:hover i{transform:translateX(4px)}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gw-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--bg-1);box-shadow:var(--shadow-card);
  overflow:hidden;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.gw-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 26px 46px -26px rgba(0,0,0,.95)}
.gw-figure{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.gw-figure img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out}
.gw-card:hover .gw-figure img{transform:scale(1.05)}
.gw-badge{position:absolute;left:12px;top:12px;padding:3px 10px;border-radius:999px;font-size:11.5px;letter-spacing:.06em;color:#1A0800;background:var(--accent);font-weight:600}
.gw-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.gw-body h3{font-size:19px;font-weight:600;line-height:1.4}
.gw-body p{font-size:14px;line-height:1.7;color:var(--t2)}
.gw-more{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--secondary)}
.gw-more i{transition:transform .18s ease}
.gw-card:hover .gw-more i{transform:translateX(4px)}

/* ---------- 对比区 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.compare-card{
  display:flex;flex-direction:column;gap:20px;
  padding:26px 24px 28px;border-radius:var(--r-md);
  background:var(--bg-1);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.compare-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.cc-step{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-sm);background:var(--bg-2);color:var(--accent);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.cc-head h3{font-size:20px;font-weight:600;margin:14px 0 8px}
.cc-head p{font-size:14px;color:var(--t2);line-height:1.7}
.cc-list{display:flex;flex-direction:column;gap:12px;border-top:1px dashed var(--line-strong);padding-top:20px}
.feature{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.65;color:var(--t2)}
.feature i{margin-top:5px;font-size:13px;flex-shrink:0}
.feature .yes{color:var(--secondary)}
.feature .no{color:var(--t3)}
.cc-foot{margin-top:auto;padding-top:18px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.faq-item{border-radius:14px;border:1px solid var(--line);background:var(--bg-1);overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;
  transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg-2)}
.faq-item[open] summary{background:var(--bg-2)}
.faq-no{font-size:13px;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.faq-q{flex:1;line-height:1.5}
.faq-icon{width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.05);display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:var(--t2);transition:transform .2s ease,color .2s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-a{padding:0 20px 20px 20px;font-size:14.5px;line-height:1.8;color:var(--t2)}

/* ---------- CTA ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:28px 30px;border-radius:var(--r-lg);
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.cta-bar h3{font-size:21px;font-weight:600;margin-bottom:8px}
.cta-bar p{font-size:14.5px;color:var(--t2);max-width:60ch}
.back-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand b{font-size:16px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.8;color:var(--t2);max-width:38ch}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row a{width:40px;height:40px;border-radius:12px;background:var(--bg-2);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--t2)}
.social-row a:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px)}
.footer-title{font-size:13px;letter-spacing:.08em;color:var(--t3);margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:var(--t2)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t3)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .nav-tiles{display:none}
  .burger{display:inline-flex}
  .header-actions .link-soft{display:none}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-grid{grid-template-columns:1fr;gap:18px}
  .faq-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero-inner{padding:40px 28px 38px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .site-header{padding-top:10px}
  .nav-card{padding:10px 12px;gap:10px}
  .brand{min-width:0}
  .brand-text b{font-size:14.5px}
  .brand-text small{font-size:10px}
  .header-actions .btn{padding:0 16px;font-size:13.5px}
  .ticker{height:40px;padding:0 12px;gap:10px}
  .ticker-text{font-size:12px}
  .unit:first-child{display:none}
  .page-hero-inner{padding:32px 22px 30px}
  .page-title{font-size:clamp(26px,7vw,34px)}
  .page-sub{font-size:15.5px}
  .gallery{grid-template-columns:1fr}
  .faq-item summary{font-size:15px;padding:16px}
  .cta-bar{padding:22px 20px}
  .cta-bar .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .back-row .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}