/* roulang page: index */
:root{
  --bg-deep:#070B14;
  --bg-1:#0B1220;
  --panel:#0F1828;
  --panel-2:#121D30;
  --brand:#35E0C8;
  --brand-deep:#1FA894;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#FF5A3C;
  --amber:#FFB020;
  --steel:#C7D2E3;
  --text:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6B7C95;
  --ink:#06121A;
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(53,224,200,.35);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.09);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:20px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.85),inset 0 0 0 1px rgba(255,255,255,.06);
  --shadow-float:0 8px 24px -12px rgba(0,0,0,.9);
  --shadow-glow:0 0 0 1px rgba(53,224,200,.45),0 10px 30px -8px rgba(53,224,200,.45);
  --ff-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --ff-num:"Inter","DIN Alternate","Helvetica Neue",Arial,sans-serif;

  --bs-body-bg:var(--bg-deep);
  --bs-body-color:var(--text-2);
  --bs-border-color:var(--line);
  --bs-primary:var(--brand);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-deep);
  --bs-border-radius:var(--r-lg);
  --bs-font-sans-serif:var(--ff-cn);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(53,224,200,.10),transparent 62%),
    radial-gradient(700px 420px at 4% 12%,rgba(53,224,200,.06),transparent 60%),
    var(--bg-deep);
  color:var(--text-2);
  font-family:var(--ff-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;}
a{color:var(--brand);text-decoration:none;transition:color .24s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{color:var(--text);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(53,224,200,.28);color:#fff;}

.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 20px;
}
@media (max-width:1399px){.container-x{max-width:1200px;}}

/* ============ 公告细条 ============ */
.notice-bar{
  height:28px;
  background:linear-gradient(90deg,rgba(53,224,200,.14),rgba(53,224,200,.02));
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;
  font-size:13px;color:var(--text-2);
  overflow:hidden;
}
.notice-bar .container-x{display:flex;align-items:center;gap:10px;}
.notice-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(53,224,200,.18);flex:none;}
.notice-text{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.notice-text strong{color:var(--brand);font-weight:600;}
.notice-close{
  background:transparent;border:0;color:var(--text-3);
  width:22px;height:22px;line-height:1;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.notice-close:hover{background:rgba(255,255,255,.08);color:var(--text);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,20,.72);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  height:64px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text);font-weight:800;font-size:18px;letter-spacing:-.01em;
  flex:none;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:14px;font-weight:900;
  box-shadow:0 6px 18px -8px rgba(53,224,200,.9);
}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;}
.nav-link-x{
  font-size:14.5px;color:var(--text-2);padding:8px 12px;border-radius:999px;
  white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link-x.active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--panel);border:1px solid var(--line);
  border-radius:999px;padding:0 6px 0 14px;height:40px;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.nav-search:focus-within{border-color:var(--line-hi);box-shadow:0 0 0 3px rgba(53,224,200,.14);}
.nav-search input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:13.5px;width:132px;padding:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:0;background:var(--brand);color:var(--ink);
  height:30px;width:30px;border-radius:50%;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
  transition:filter .2s ease,transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.08);transform:translateY(-1px);}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;
  height:48px;padding:0 28px;border:1px solid transparent;
  cursor:pointer;transition:all .26s ease;white-space:nowrap;
}
.btn-sm-x{height:44px;padding:0 22px;font-size:14.5px;}
.btn-xs-x{height:36px;padding:0 18px;font-size:13.5px;}
.btn-primary-x{
  background:var(--brand);color:var(--ink);
  box-shadow:var(--shadow-glow);
}
.btn-primary-x:hover{color:var(--ink);filter:brightness(1.06);transform:translateY(-1px);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{
  background:transparent;color:var(--brand);border-color:rgba(53,224,200,.45);
}
.btn-ghost-x:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand);}
.btn-link-x{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14.5px;font-weight:600;padding:0;
}
.btn-link-x:hover{color:var(--brand-deep);gap:10px;}
.btn-x:focus-visible,.nav-link-x:focus-visible,.brand:focus-visible,
.news-arrow:focus-visible,.notice-close:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.nav-toggle{
  display:none;background:var(--panel);border:1px solid var(--line);
  width:40px;height:40px;border-radius:12px;color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.offcanvas-x{
  background:rgba(9,14,24,.96);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  color:var(--text-2);border-left:1px solid var(--glass-line);
}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px;}
.offcanvas-x .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:8px;}
.off-nav-link{
  display:block;padding:14px 16px;border-radius:14px;color:var(--text);
  font-size:16px;border:1px solid transparent;transition:all .22s ease;
}
.off-nav-link:hover,.off-nav-link.active{background:var(--brand-soft);border-color:var(--line-hi);color:var(--brand);}
.off-cta{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 88px;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 40%;
  height:520px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(53,224,200,.10),transparent 70%);
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;position:relative;z-index:2;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.04em;color:var(--brand);
  background:var(--brand-soft);border:1px solid rgba(53,224,200,.24);
  padding:6px 14px;border-radius:999px;margin-bottom:22px;font-weight:500;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
h1.hero-title{
  font-size:clamp(32px,5.2vw,56px);
  line-height:1.12;font-weight:800;letter-spacing:-.02em;
  margin-bottom:20px;
}
h1.hero-title span{color:var(--brand);}
.hero-sub{
  font-size:16.5px;line-height:1.8;color:var(--text-2);
  max-width:540px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;padding-top:26px;border-top:1px solid var(--line);
}
.stat-num{
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;
  font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--brand);
  line-height:1.1;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--steel);margin-left:4px;}
.stat-label{font-size:13px;color:var(--text-3);line-height:1.6;margin-top:6px;}

/* 竖屏卡 */
.hero-visual{position:relative;display:flex;justify-content:center;}
.video-card{
  position:relative;width:min(340px,100%);aspect-ratio:9/16;
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.95),0 0 0 1px rgba(255,255,255,.05);
  transform:rotate(-2deg);
  background:linear-gradient(160deg,rgba(53,224,200,.10),rgba(15,24,40,.9));
  transition:transform .45s cubic-bezier(.22,.68,0,1);
}
.video-card:hover{transform:rotate(0deg) translateY(-4px);}
.video-card img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.video-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.15) 0%,rgba(6,11,20,.45) 52%,rgba(6,11,20,.92) 100%);
}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(53,224,200,.92);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;border:0;cursor:pointer;
  box-shadow:0 0 0 10px rgba(53,224,200,.14);
  transition:transform .26s ease,box-shadow .26s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);box-shadow:0 0 0 14px rgba(53,224,200,.16);}
.duration-chip{
  position:absolute;top:14px;right:14px;
  background:rgba(0,0,0,.55);color:#fff;
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;
  font-size:12px;padding:4px 10px;border-radius:var(--r-sm);
}
.video-caption{
  position:absolute;left:18px;right:18px;bottom:18px;color:#fff;
}
.video-caption h3{font-size:16px;line-height:1.45;color:#fff;margin-bottom:6px;}
.video-caption p{font-size:12.5px;color:rgba(255,255,255,.72);margin:0;}
.float-badge{
  position:absolute;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-line);
  border-radius:14px;padding:12px 16px;
  box-shadow:var(--shadow-float);
  display:flex;align-items:center;gap:10px;
}
.float-badge .fb-num{
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;
  font-size:18px;font-weight:700;color:var(--brand);line-height:1.1;
}
.float-badge .fb-label{font-size:12px;color:var(--text-2);line-height:1.4;}
.fb-a{top:14%;left:-6%;}
.fb-b{bottom:16%;right:-4%;}
.fb-b .fb-num{color:var(--amber);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;
  border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.section-desc{font-size:14.5px;color:var(--text-3);margin-top:10px;padding-left:16px;max-width:620px;}
.section-head-right{display:flex;align-items:center;gap:16px;}

/* 横向短片卡 */
.clip-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:14px;margin:0 -4px;padding-left:4px;padding-right:4px;
  scrollbar-width:thin;scrollbar-color:rgba(53,224,200,.4) transparent;
}
.clip-track::-webkit-scrollbar{height:6px;}
.clip-track::-webkit-scrollbar-thumb{background:rgba(53,224,200,.35);border-radius:99px;}
.clip-card{
  position:relative;flex:0 0 clamp(200px,20vw,236px);scroll-snap-align:start;
  aspect-ratio:3/4;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  box-shadow:var(--shadow-card);
  transition:transform .36s ease-out,border-color .36s ease-out;
}
.clip-card:hover{transform:translateY(-4px);border-color:var(--line-hi);}
.clip-card img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .36s ease-out;}
.clip-card:hover img{transform:scale(1.04);}
.clip-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.05) 30%,rgba(6,11,20,.9) 100%);
}
.clip-dur{
  position:absolute;top:12px;right:12px;
  background:rgba(0,0,0,.55);color:#fff;
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;
  font-size:11.5px;padding:3px 9px;border-radius:var(--r-sm);
}
.clip-body{position:absolute;left:14px;right:14px;bottom:14px;}
.clip-body h3{font-size:15.5px;line-height:1.45;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-foot{display:flex;align-items:center;justify-content:space-between;margin-top:10px;}
.chip{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);
  border:1px solid rgba(53,224,200,.22);
  padding:3px 10px;border-radius:var(--r-sm);
}
.chip-neutral{color:var(--steel);background:rgba(199,210,227,.10);border-color:rgba(199,210,227,.20);}
.clip-like{font-family:var(--ff-num);font-size:12px;color:rgba(255,255,255,.8);}

/* 种草清单 */
.pick-head{display:grid;grid-template-columns:1fr .9fr;gap:40px;align-items:end;margin-bottom:28px;}
.pick-list{border-top:1px solid var(--line);}
.pick-row{
  display:grid;grid-template-columns:88px 1fr 200px 44px;gap:24px;align-items:center;
  padding:26px 12px;border-bottom:1px solid var(--line);
  transition:background .28s ease,padding .28s ease;
}
.pick-row:hover{background:rgba(53,224,200,.05);padding-left:20px;}
.pick-num{
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;
  font-size:clamp(36px,4vw,46px);font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(53,224,200,.5);
  transition:color .28s ease;
}
.pick-row:hover .pick-num{color:rgba(53,224,200,.14);-webkit-text-stroke-color:var(--brand);}
.pick-main h3{font-size:17.5px;line-height:1.5;margin-bottom:6px;}
.pick-main p{font-size:14px;color:var(--text-3);line-height:1.7;margin:0;}
.pick-img{
  width:200px;height:88px;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(53,224,200,.10),rgba(15,24,40,.9));
}
.pick-img img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .36s ease-out;}
.pick-row:hover .pick-img img{transform:scale(1.05);}
.pick-arrow{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:16px;
  transition:all .28s ease;
}
.pick-row:hover .pick-arrow{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* 最新信息 CMS */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.filter-chip{
  font-size:13.5px;color:var(--text-2);border:1px solid var(--line);
  background:var(--panel);border-radius:999px;padding:8px 18px;
  cursor:pointer;transition:all .24s ease;
}
.filter-chip:hover{border-color:var(--line-hi);color:var(--text);}
.filter-chip.active{background:var(--brand);color:var(--ink);border-color:var(--brand);font-weight:600;}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .36s ease-out,border-color .36s ease-out,background .36s ease-out;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-hi);background:var(--panel-2);}
.news-title{font-size:17.5px;line-height:1.5;}
.news-title a{
  color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a:hover{color:var(--brand);}
.news-summary{
  font-size:14px;line-height:1.75;color:var(--text-3);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
}
.news-date{font-family:var(--ff-num);font-size:12.5px;color:var(--text-3);}
.news-arrow{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:15px;transition:all .24s ease;
}
.news-card:hover .news-arrow{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.empty-state{
  grid-column:1/-1;
  border:1px dashed rgba(255,255,255,.14);
  border-radius:var(--r-lg);padding:48px 24px;text-align:center;
  color:var(--text-3);background:rgba(255,255,255,.02);
}
.empty-icon{font-size:26px;opacity:.5;margin-bottom:10px;}
.empty-state p{margin:0;font-size:14px;}

/* 口碑 */
.buzz-wrap{overflow:hidden;position:relative;padding:6px 0;}
.buzz-wrap::before,.buzz-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:90px;z-index:3;pointer-events:none;
}
.buzz-wrap::before{left:0;background:linear-gradient(90deg,var(--bg-1),transparent);}
.buzz-wrap::after{right:0;background:linear-gradient(270deg,var(--bg-1),transparent);}
.buzz-row{display:flex;gap:16px;width:max-content;margin-bottom:16px;animation:slideL 42s linear infinite;}
.buzz-row.reverse{animation-direction:reverse;margin-bottom:0;}
.buzz-wrap:hover .buzz-row{animation-play-state:paused;}
@keyframes slideL{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.buzz-card{
  width:320px;flex:none;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;display:flex;gap:12px;align-items:flex-start;
}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:none;
  background:linear-gradient(140deg,rgba(53,224,200,.85),rgba(31,168,148,.85));
  color:var(--ink);font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.buzz-body{min-width:0;flex:1;}
.buzz-name{font-size:13px;color:var(--steel);margin-bottom:2px;display:flex;align-items:center;justify-content:space-between;gap:8px;}
.stars{color:var(--amber);font-size:11.5px;letter-spacing:1px;}
.buzz-text{font-size:13.5px;color:var(--text-2);line-height:1.6;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* CTA 面板 */
.cta-panel{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:56px 48px;
}
.cta-panel .cta-bg{
  position:absolute;inset:0;z-index:0;
}
.cta-panel .cta-bg img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.28;}
.cta-panel .cta-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,20,.94) 10%,rgba(7,11,20,.72) 60%,rgba(7,11,20,.5) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:10px;}
.cta-inner p{font-size:14.5px;color:var(--text-2);margin:0;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-note{
  position:relative;z-index:2;margin-top:28px;padding-top:20px;
  border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:56px;align-items:start;}
.faq-side h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:16px;}
.faq-side p{font-size:14.5px;color:var(--text-3);line-height:1.8;margin-bottom:24px;}
.faq-contact{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-card);
}
.faq-contact .fc-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.faq-contact .fc-label{font-size:13px;color:var(--text-3);}
.faq-contact .fc-value{font-family:var(--ff-num);font-size:16px;color:var(--brand);font-weight:700;}
.faq-contact .fc-small{font-size:12.5px;color:var(--text-3);margin:0;}
.accordion-x .accordion-item{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-lg)!important;margin-bottom:12px;overflow:hidden;
  transition:border-color .26s ease,background .26s ease;
}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:var(--line-hi);background:var(--panel-2);
}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed))::before{content:"";}
.accordion-x .accordion-button{
  background:transparent;color:var(--text);
  font-size:15.5px;font-weight:600;padding:20px 22px;
  box-shadow:none!important;border:0;
  border-left:3px solid transparent;
  transition:border-color .26s ease,color .26s ease;
}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--brand);border-left-color:var(--brand);
}
.accordion-x .accordion-button::after{
  background-image:none;
  content:"+";font-size:20px;font-weight:400;color:var(--brand);
  width:auto;height:auto;line-height:1;
  transform:rotate(0deg);transition:transform .28s ease;
}
.accordion-x .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-x .accordion-body{
  font-size:14.5px;line-height:1.85;color:var(--text-2);
  padding:0 22px 22px;border-left:3px solid var(--brand);
}

/* 页脚 */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:300px;}
.footer-col h4{font-size:14px;color:var(--steel);margin-bottom:16px;font-weight:600;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:13.5px;color:var(--text-3);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .buzz-row{animation:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-search{display:none;}
  .hero-grid{gap:40px;}
  .fb-a{left:0;}
  .fb-b{right:0;}
  .pick-row{grid-template-columns:70px 1fr 160px 40px;gap:18px;}
  .pick-img{width:160px;height:76px;}
  .faq-grid{gap:36px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{height:56px;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  h1.hero-title{font-size:clamp(30px,6.4vw,44px);}
  .hero-sub{max-width:100%;}
  .hero-visual{order:2;}
  .video-card{width:82vw;max-width:340px;transform:rotate(0deg);}
  .section{padding:72px 0;}
  .news-grid{grid-template-columns:1fr;}
  .pick-head{grid-template-columns:1fr;gap:14px;}
  .pick-row{grid-template-columns:56px 1fr 40px;gap:16px;padding:20px 8px;}
  .pick-img{display:none;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{padding:40px 28px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .notice-bar{font-size:12px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .hero-stats .stat:last-child{grid-column:1/-1;}
  .clip-card{flex:0 0 78vw;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .buzz-card{width:264px;}
  .section-title{padding-left:14px;}
  .section-title::before{width:5px;}
  .section-desc{padding-left:14px;}
  .fb-a{top:6%;left:-2%;transform:scale(.9);}
  .fb-b{bottom:8%;right:-2%;transform:scale(.9);}
}
@media (max-width:519px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-x{width:100%;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn-x{width:100%;}
  .float-badge{padding:9px 12px;}
  .float-badge .fb-num{font-size:15px;}
}

/* roulang page: article */
:root{
  --bg-deep:#070B14;
  --bg-1:#0B1220;
  --panel:#0F1828;
  --panel-2:#121D30;
  --brand:#35E0C8;
  --brand-deep:#1FA894;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#FF5A3C;
  --steel:#C7D2E3;
  --text-1:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6B7C95;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-hover:rgba(53,224,200,.35);
  --r-card:18px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:8px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.85);
  --shadow-float:0 8px 24px -12px rgba(0,0,0,.9);
  --glow:0 0 0 1px rgba(53,224,200,.45),0 10px 30px -8px rgba(53,224,200,.45);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;

  --bs-body-bg:#070B14;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#35E0C8;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#5CEEDC;
  --bs-border-radius:14px;
  --bs-font-sans-serif:var(--font-cn);
  --bs-body-font-family:var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 520px at 78% -8%,rgba(53,224,200,.10),transparent 62%),radial-gradient(700px 420px at 4% 12%,rgba(53,224,200,.06),transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease}
a:hover{color:#5CEEDC}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(7,11,20,.92);border-bottom-color:var(--line-strong);box-shadow:0 12px 30px -22px rgba(0,0,0,.95)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;
  color:var(--text-1);white-space:nowrap;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;color:#06121A;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 8px 20px -10px rgba(53,224,200,.8);
}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link-x{
  font-size:14.5px;color:var(--text-2);
  padding:8px 13px;border-radius:var(--r-pill);
  transition:color .25s,background .25s,box-shadow .25s;
  white-space:nowrap;
}
.nav-link-x:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link-x.active{color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px rgba(53,224,200,.28)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:6px;
  height:38px;padding:0 6px 0 14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .25s,background .25s;
}
.nav-search:focus-within{border-color:var(--line-hover);background:rgba(53,224,200,.08)}
.nav-search input{
  width:130px;border:0;background:transparent;color:var(--text-1);
  font-size:13.5px;outline:none;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  width:28px;height:28px;border:0;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:var(--brand-soft);color:var(--brand);
  transition:background .25s;
}
.nav-search button:hover{background:rgba(53,224,200,.24)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--text-1);place-items:center;cursor:pointer;
}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  text-decoration:none;
}
.btn-x:active{transform:translateY(0)}
.btn-primary-x{background:var(--brand);color:#06121A;box-shadow:var(--glow)}
.btn-primary-x:hover{color:#06121A;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(53,224,200,.6),0 16px 34px -10px rgba(53,224,200,.55)}
.btn-ghost-x{background:transparent;border-color:rgba(53,224,200,.5);color:var(--brand)}
.btn-ghost-x:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px)}
.btn-sm-x{height:36px;padding:0 16px;font-size:13.5px}
.btn-lg-x{height:48px;padding:0 26px;font-size:15.5px}

/* ---------- offcanvas ---------- */
.offcanvas{background:var(--bg-deep);color:var(--text-1);border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-title{font-weight:800;font-size:18px}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.mobile-nav{display:flex;flex-direction:column;gap:6px;padding:10px 0 24px}
.mobile-nav a{
  display:block;padding:13px 16px;border-radius:14px;
  color:var(--text-2);font-size:16px;
  border:1px solid transparent;
}
.mobile-nav a:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.mobile-nav a.active{color:var(--brand);background:var(--brand-soft);border-color:rgba(53,224,200,.28)}
.mobile-cta{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}

/* ---------- article hero ---------- */
.article-hero{padding:34px 0 30px;position:relative}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb .current{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:36px;margin-top:22px;
}
.article-head-main{max-width:860px}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-badge);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:500;letter-spacing:.04em;
  border:1px solid rgba(53,224,200,.22);
}
.article-head h1{
  margin:16px 0 18px;
  font-size:clamp(30px,4vw,48px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text-1);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2)}
.article-actions{display:flex;gap:10px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
  transition:color .25s,background .25s,border-color .25s,transform .25s;
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-hover);background:var(--brand-soft);transform:translateY(-1px)}
.icon-btn.is-on{color:var(--brand);border-color:var(--line-hover);background:var(--brand-soft)}

/* ---------- article layout ---------- */
.article-section{padding:8px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:40px;align-items:start}
.article-main{min-width:0}
.article-content{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:38px 40px;
  max-width:820px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 20px}
.article-content h2{
  position:relative;
  margin:38px 0 16px;
  padding-left:16px;
  font-size:clamp(21px,2.2vw,26px);
  line-height:1.35;
  font-weight:700;
  color:var(--text-1);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-content h3{margin:28px 0 12px;font-size:19px;font-weight:600;color:var(--steel)}
.article-content strong{color:var(--text-1);font-weight:600}
.article-content a{color:var(--brand);border-bottom:1px solid rgba(53,224,200,.35)}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px}
.article-content li{margin-bottom:10px}
.article-content img{border-radius:16px;margin:24px auto;box-shadow:var(--shadow-float)}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand);
  background:rgba(255,255,255,.045);
  border-radius:0 14px 14px 0;
  color:var(--text-1);
}
.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-content th{background:var(--panel-2);color:var(--text-1);font-weight:600}
.article-content code{background:rgba(53,224,200,.12);color:var(--brand);padding:2px 6px;border-radius:6px;font-size:14px}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:60px 20px;text-align:center;color:var(--text-3);
}
.empty-icon{
  width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:22px;font-weight:800;
}

/* ---------- tags & actions ---------- */
.article-foot{max-width:820px;margin-top:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tag-x{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:color .25s,border-color .25s,background .25s;
}
.tag-x:hover{color:var(--brand);border-color:var(--line-hover);background:var(--brand-soft)}
.back-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- related ---------- */
.related-block{margin-top:64px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}
.block-head h2{
  position:relative;margin:0;padding-left:16px;
  font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--text-1);
}
.block-head h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:6px;border-radius:3px;background:var(--brand)}
.block-head .more{font-size:14px;color:var(--brand)}
.block-head .more:hover{color:#5CEEDC}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .36s ease-out,border-color .36s ease-out,box-shadow .36s ease-out;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:0 22px 46px -24px rgba(0,0,0,.95)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(53,224,200,.08)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .36s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px}
.rel-body h3{margin:0 0 10px;font-size:17px;font-weight:600;line-height:1.5;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{margin:0;font-size:13.5px;color:var(--text-3);line-height:1.7}
.rel-link{position:absolute;inset:0;font-size:0;text-indent:-9999px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;
  box-shadow:var(--shadow-card);
}
.side-card h3{
  margin:0 0 14px;font-size:14px;font-weight:600;
  color:var(--text-1);letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;padding:8px 10px;
  font-size:13.5px;color:var(--text-3);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .25s,background .25s,border-color .25s;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.toc-list a.is-active{color:var(--brand);background:var(--brand-soft);border-left-color:var(--brand)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- faq ---------- */
.faq-section{padding:72px 0}
.faq-layout{display:grid;grid-template-columns:0.85fr 1.15fr;gap:48px;align-items:start}
.faq-intro h2{
  position:relative;margin:0 0 16px;padding-left:16px;
  font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--text-1);
}
.faq-intro h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:6px;border-radius:3px;background:var(--brand)}
.faq-intro p{margin:0 0 22px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:36ch}
.accordion-item{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .3s ease;
}
.accordion-item:hover{border-color:var(--line-hover)}
.accordion-button{
  background:transparent;border:0;
  color:var(--text-1);font-size:16px;font-weight:600;
  padding:18px 20px;box-shadow:none;
}
.accordion-button:not(.collapsed){background:rgba(53,224,200,.08);color:var(--brand);box-shadow:inset 3px 0 0 var(--brand)}
.accordion-button:focus{box-shadow:none;outline:none}
.accordion-button::after{
  background-image:none;content:"+";
  font-size:22px;line-height:1;font-weight:400;
  width:auto;height:auto;transform:none;
  transition:transform .3s ease,color .3s ease;
  color:var(--text-3);margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand)}
.accordion-body{padding:4px 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-section{padding:0 0 84px}
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.09);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow-card);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,20,.94),rgba(7,11,20,.66) 60%,rgba(7,11,20,.86));
}
.cta-inner{position:relative;z-index:1;max-width:640px}
.cta-inner h2{margin:0 0 12px;font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--text-1);line-height:1.25}
.cta-inner p{margin:0;font-size:15px;color:var(--text-2);line-height:1.8}
.cta-btns{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-deep);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{margin:0;font-size:14px;line-height:1.85;color:var(--text-3);max-width:34ch}
.footer-col h4{margin:0 0 14px;font-size:15px;font-weight:600;color:var(--text-1)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:2px}
.footer-col a{font-size:14px;color:var(--text-3);line-height:2}
.footer-col a:hover{color:var(--brand)}
.footer-col p{margin:0 0 8px;font-size:14px;color:var(--text-3);line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom .fb-links{display:flex;align-items:center;gap:16px}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{display:none}
  .article-content{max-width:none}
  .article-foot{max-width:none}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .nav-wrap{height:56px}
  .article-head{flex-direction:column;gap:18px}
  .article-head-main{max-width:none}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-intro p{max-width:none}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-section{padding:56px 0}
  .cta-section{padding-bottom:56px}
}
@media (max-width:767.98px){
  .container-x{padding:0 20px}
  .article-hero{padding:24px 0 20px}
  .article-content{padding:24px 20px;font-size:15.5px;line-height:1.85}
  .article-content h2{margin:30px 0 14px}
  .article-section{padding-bottom:48px}
  .related-block{margin-top:48px}
  .related-grid{grid-template-columns:1fr}
  .block-head{flex-direction:column;align-items:flex-start;gap:10px}
  .faq-section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 20px}
  .cta-panel{padding:28px 20px;border-radius:20px}
  .cta-btns .btn-x{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --bg-deep:#070B14;
  --bg-1:#0B1220;
  --panel:#0F1828;
  --panel-2:#121D30;
  --brand:#35E0C8;
  --brand-deep:#1FA894;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#FF5A3C;
  --steel:#C7D2E3;
  --text:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6B7C95;
  --ink:#06121A;
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(53,224,200,.35);
  --r-card:18px;
  --r-pill:999px;
  --r-input:12px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.85);
  --shadow-float:0 8px 24px -12px rgba(0,0,0,.9);
  --shadow-brand:0 0 0 1px rgba(53,224,200,.45),0 10px 30px -8px rgba(53,224,200,.45);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-num:Inter,"DIN Alternate","PingFang SC",system-ui,sans-serif;

  --bs-body-bg:#070B14;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#35E0C8;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#1FA894;
  --bs-border-radius:18px;
  --bs-font-sans-serif:var(--font-cn);
  --bs-accordion-bg:transparent;
  --bs-accordion-color:#EAF2FF;
  --bs-accordion-btn-color:#EAF2FF;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:#35E0C8;
  --bs-accordion-border-color:transparent;
  --bs-accordion-btn-focus-box-shadow:none;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(53,224,200,.10),transparent 68%),
    radial-gradient(700px 420px at 6% 22%,rgba(53,224,200,.06),transparent 70%),
    var(--bg-deep);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
p{margin:0 0 16px;color:var(--text-2);font-size:15.5px;line-height:1.85}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
ul{list-style:none;margin:0;padding:0}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
@media(max-width:1399px){.container-x{max-width:1200px}}
@media(max-width:991px){.container-x{padding:0 20px}}

/* ============ 顶部公告 ============ */
.topbar{
  height:28px;
  display:flex;align-items:center;
  background:linear-gradient(90deg,rgba(53,224,200,.14),rgba(53,224,200,.03));
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-track{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);flex:none}
.topbar-close{background:none;border:0;color:var(--text-3);font-size:15px;line-height:1;cursor:pointer;padding:0 2px}
.topbar-close:hover{color:var(--brand)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,20,.62);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.94);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.02em;
  flex:none;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:var(--ink);font-size:16px;font-weight:800;
  box-shadow:0 6px 18px -8px rgba(53,224,200,.8);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link-x{
  display:inline-block;
  padding:8px 13px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link-x.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 6px 0 16px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--line-hi);background:rgba(255,255,255,.07)}
.nav-search input{
  width:138px;border:0;background:none;outline:none;
  color:var(--text);font-size:13.5px;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  width:28px;height:28px;border-radius:50%;border:0;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;cursor:pointer;font-size:13px;
  transition:background .2s ease;
}
.nav-search button:hover{background:rgba(53,224,200,.24)}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);cursor:pointer;font-size:16px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--line-hi);color:var(--brand)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:2000;
  background:rgba(7,11,20,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  display:none;flex-direction:column;
  padding:20px 20px 32px;
}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--text);font-size:18px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:14px 16px;border-radius:14px;
  color:var(--text-2);font-size:16px;
  border:1px solid transparent;
}
.drawer-nav a.active{color:var(--brand);background:var(--brand-soft);border-color:var(--line-hi)}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,filter .22s ease,background .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--brand);color:var(--ink);box-shadow:var(--shadow-brand)}
.btn-primary-x:hover{color:var(--ink);filter:brightness(1.06);transform:translateY(-1px)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;border-color:rgba(53,224,200,.5);color:var(--brand)}
.btn-ghost-x:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px)}
.btn-quiet-x{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;font-size:14px;color:var(--brand);font-weight:600;
}
.btn-quiet-x:hover{color:var(--brand-deep)}
.btn-sm-x{height:36px;padding:0 16px;font-size:13.5px}
.btn-md-x{height:44px;padding:0 20px;font-size:14px}

/* ============ 栏目头 ============ */
.cat-hero{
  position:relative;
  display:flex;align-items:center;
  min-height:268px;
  padding:48px 0 52px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,20,.95) 0%,rgba(7,11,20,.86) 46%,rgba(7,11,20,.62) 100%);
}
.cat-hero .container-x{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--text-2)}
.cat-hero h1{
  font-size:clamp(32px,5.2vw,54px);
  line-height:1.12;font-weight:800;letter-spacing:-.02em;
  max-width:760px;
}
.cat-hero .lede{
  margin-top:14px;max-width:640px;
  font-size:16px;color:var(--text-2);line-height:1.8;
}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill-x{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);font-size:13.5px;
  transition:.22s ease;
}
.pill-x:hover{color:var(--brand);border-color:var(--line-hi);background:var(--brand-soft)}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-title{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:6px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.section-desc{max-width:480px;margin:0;font-size:14.5px;color:var(--text-3);line-height:1.8}

/* ============ 车型矩阵布局 ============ */
.matrix-layout{
  display:grid;grid-template-columns:228px minmax(0,1fr);
  gap:28px;align-items:start;
}
.filter-rail{
  position:sticky;top:88px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px;
  box-shadow:var(--shadow-card);
}
.filter-rail h2{
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--text-3);margin-bottom:12px;padding-left:4px;
}
.filter-item{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 14px;margin-bottom:6px;
  border-radius:var(--r-pill);
  font-size:14px;color:var(--text-2);
  border:1px solid transparent;
  transition:.22s ease;
}
.filter-item:hover{color:var(--text);background:rgba(255,255,255,.05)}
.filter-item.active{
  color:var(--brand);background:var(--brand-soft);
  border-color:rgba(53,224,200,.28);font-weight:600;
}
.filter-item .count{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:12px;color:var(--text-3);
}
.filter-item.active .count{color:var(--brand)}
.filter-note{
  margin-top:16px;padding:14px;border-radius:14px;
  background:rgba(53,224,200,.06);
  border:1px solid rgba(53,224,200,.16);
  font-size:13px;color:var(--text-2);line-height:1.7;
}

.model-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.model-card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .36s ease-out,border-color .36s ease-out;
}
.model-card:hover{transform:translateY(-4px);border-color:var(--line-hi)}
.model-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,rgba(53,224,200,.10),rgba(53,224,200,.03));
}
.model-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .36s ease-out}
.model-card:hover .model-thumb img{transform:scale(1.04)}
.model-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 11px;border-radius:8px;
  background:rgba(6,18,26,.72);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.14);
  font-size:12px;letter-spacing:.04em;color:var(--brand);
}
.model-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1}
.model-body h3{font-size:18px;font-weight:600;margin-bottom:6px}
.model-sub{font-size:13.5px;color:var(--text-3);margin-bottom:16px;line-height:1.7}
.spec-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
}
.spec-num{
  display:block;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:19px;font-weight:700;color:var(--steel);line-height:1.3;
}
.spec-num em{font-style:normal;font-size:12px;color:var(--text-3);margin-left:2px}
.spec-label{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.model-link{
  display:flex;align-items:center;justify-content:center;gap:6px;
  height:46px;margin-top:18px;
  border-top:1px solid var(--line);
  color:var(--brand);font-size:14px;font-weight:600;
  transition:background .22s ease;
}
.model-link:hover{background:var(--brand-soft);color:var(--brand)}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  margin-top:40px;
}
.stat-cell{background:var(--panel);padding:24px 22px}
.stat-cell .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--brand);line-height:1.2;
  display:block;
}
.stat-cell .num small{font-size:14px;font-weight:600;margin-left:3px;color:var(--text-2)}
.stat-cell .lbl{display:block;font-size:13px;color:var(--text-3);margin-top:6px}

/* ============ 场景行 ============ */
.scene-list{border-top:1px solid var(--line)}
.scene-row{
  display:grid;grid-template-columns:78px minmax(0,1fr) 34px;
  gap:22px;align-items:center;
  padding:26px 6px;
  border-bottom:1px solid var(--line);
  transition:background .26s ease,padding-left .26s ease;
}
.scene-row:hover{background:rgba(53,224,200,.05);padding-left:16px}
.scene-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:42px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.2px rgba(199,210,227,.38);
}
.scene-row:hover .scene-num{-webkit-text-stroke-color:rgba(53,224,200,.7)}
.scene-row h3{font-size:18px;font-weight:600;margin-bottom:6px}
.scene-row p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.8}
.scene-arrow{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-3);font-size:14px;
  transition:.24s ease;
}
.scene-row:hover .scene-arrow{border-color:var(--line-hi);color:var(--brand);background:var(--brand-soft)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:48px;align-items:start}
.faq-aside p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin:16px 0 22px}
.faq-acc .accordion-item{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s ease,background .24s ease;
}
.faq-acc .accordion-item:hover{border-color:var(--line-hi)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left-color:var(--brand);
  background:rgba(53,224,200,.06);
}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;font-weight:600;
  padding:18px 54px 18px 22px;
  border:0;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand)}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;height:auto;
  font-size:22px;line-height:1;font-weight:400;
  color:var(--brand);
  transform:none;
  position:absolute;right:22px;top:50%;margin-top:-11px;
  transition:transform .26s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-body{
  padding:0 22px 20px;
  font-size:14.5px;color:var(--text-2);line-height:1.85;
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  padding:44px 44px 40px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.26;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,11,20,.92),rgba(7,11,20,.68));
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);line-height:1.3;margin-bottom:10px}
.cta-inner p{margin:0;max-width:520px;font-size:14.5px;color:var(--text-2)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-note{
  position:relative;z-index:2;
  margin-top:26px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:var(--text-3);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text);
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:14px;color:var(--text-3);margin:0 0 10px;line-height:1.7}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;align-items:center;gap:18px}
.fb-links a{color:var(--text-3)}
.fb-links a:hover{color:var(--brand)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  *{transition:none!important;animation:none!important}
}

/* ============ 响应式 ============ */
@media(max-width:1199px){
  .matrix-layout{grid-template-columns:200px minmax(0,1fr);gap:22px}
  .faq-wrap{grid-template-columns:280px minmax(0,1fr);gap:32px}
}
@media(max-width:991px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{gap:10px}
  .section{padding:72px 0}
  .cat-hero{min-height:auto;padding:40px 0 44px}
  .matrix-layout{grid-template-columns:1fr}
  .filter-rail{
    position:static;
    display:flex;gap:10px;align-items:center;
    overflow-x:auto;
    padding:12px 14px;
    scrollbar-width:none;
  }
  .filter-rail::-webkit-scrollbar{display:none}
  .filter-rail h2{display:none}
  .filter-item{flex:none;margin-bottom:0;white-space:nowrap}
  .filter-note{display:none}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{padding:32px 26px 30px}
}
@media(max-width:767px){
  .section{padding:48px 0}
  .header-inner{height:56px}
  .brand{font-size:17px}
  .brand-mark{width:28px;height:28px;font-size:14px;border-radius:9px}
  .model-grid{grid-template-columns:1fr;gap:18px}
  .scene-row{grid-template-columns:52px minmax(0,1fr);gap:16px;padding:20px 4px}
  .scene-arrow{display:none}
  .scene-num{font-size:32px}
  .section-head{margin-bottom:26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-x{flex:1}
}
@media(max-width:520px){
  .container-x{padding:0 16px}
  .stat-strip{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .spec-num{font-size:16px}
  .topbar-track{font-size:12px}
  .cat-hero h1{font-size:30px}
  .anchor-pills{gap:8px}
  .pill-x{height:32px;padding:0 13px;font-size:12.5px}
  .btn-x{height:44px;padding:0 20px;font-size:14px}
}

/* roulang page: category2 */
:root{
  --bg-deep:#070B14;
  --bg-1:#0B1220;
  --panel:#0F1828;
  --panel-2:#121D30;
  --brand:#35E0C8;
  --brand-deep:#1FA894;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#FF5A3C;
  --steel:#C7D2E3;
  --text:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6B7C95;
  --ink:#06121A;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(53,224,200,.35);
  --r-card:18px;
  --r-input:12px;
  --r-badge:8px;
  --r-pill:999px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.85), inset 0 0 0 1px rgba(255,255,255,.06);
  --shadow-float:0 8px 24px -12px rgba(0,0,0,.9);
  --shadow-glow:0 0 0 1px rgba(53,224,200,.45), 0 10px 30px -8px rgba(53,224,200,.45);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.09);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
  --bs-body-bg:#070B14;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#35E0C8;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#1FA894;
  --bs-border-radius:18px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:-20% -10% auto -10%;
  height:70vh;
  background:radial-gradient(60% 60% at 50% 0%, rgba(53,224,200,.10), transparent 70%);
  pointer-events:none;
  z-index:0;
}
a{color:var(--brand);text-decoration:none;transition:color .24s ease}
a:hover{color:var(--brand-deep)}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(53,224,200,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container-x{width:min(100% - 40px,1280px);margin-inline:auto;position:relative;z-index:1}
@media (max-width:1399px){.container-x{width:min(100% - 40px,1200px)}}
@media (max-width:991px){.container-x{width:calc(100% - 40px)}}
@media (max-width:520px){.container-x{width:calc(100% - 32px)}}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .24s ease, box-shadow .24s ease, background .24s ease, color .24s ease, border-color .24s ease;
}
.btn-x.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-x.btn-xs{height:36px;padding:0 16px;font-size:13.5px}
.btn-brand{background:var(--brand);color:var(--ink);box-shadow:var(--shadow-glow)}
.btn-brand:hover{background:#4BEBD4;color:var(--ink);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(53,224,200,.6),0 14px 34px -8px rgba(53,224,200,.55)}
.btn-brand:active{transform:translateY(0)}
.btn-outline-x{background:transparent;color:var(--brand);border-color:rgba(53,224,200,.5)}
.btn-outline-x:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost-x{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;
  color:var(--brand);font-size:14px;font-weight:600;cursor:pointer;transition:gap .24s ease,color .24s ease;
}
.btn-ghost-x:hover{gap:11px;color:#5FF0DA}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;gap:22px;height:64px;min-width:0}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text);
  flex-shrink:0;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:var(--ink);display:grid;place-items:center;
  font-size:15px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 16px -8px rgba(53,224,200,.8);
}
.nav-links{display:flex;align-items:center;gap:2px;min-width:0}
.nav-link-x{
  padding:8px 13px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--text-2);
  white-space:nowrap;transition:background .24s,color .24s,box-shadow .24s;
}
.nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link-x.active{
  color:var(--brand);background:var(--brand-soft);
  box-shadow:inset 0 0 0 1px rgba(53,224,200,.28);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-pill{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 6px 0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.04);
  border:1px solid var(--line);transition:border-color .24s,background .24s;
}
.search-pill:focus-within{border-color:rgba(53,224,200,.55);background:rgba(53,224,200,.06)}
.search-pill svg{flex-shrink:0;color:var(--text-3)}
.search-pill input{
  width:132px;background:none;border:0;outline:none;color:var(--text);
  font-size:14px;font-family:inherit;
}
.search-pill input::placeholder{color:var(--text-3)}
.search-pill button{
  height:28px;padding:0 12px;border-radius:var(--r-pill);border:0;
  background:var(--brand);color:var(--ink);font-size:13px;font-weight:700;cursor:pointer;
  transition:filter .24s;
}
.search-pill button:hover{filter:brightness(1.06)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-hover);color:var(--brand)}

@media (max-width:1199px){
  .search-pill{display:none}
}
@media (max-width:991px){
  .nav-shell{height:56px;gap:12px}
  .nav-links{display:none}
  .nav-right .btn-x{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
}
.offcanvas.oc-x{
  background:rgba(9,14,24,.96);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--line);
  color:var(--text);
  width:min(88vw,360px);
}
.oc-x .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.oc-x .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:6px}
.oc-x .nav-link-x{padding:13px 16px;border-radius:14px;font-size:16px}
.oc-x .oc-cta{margin-top:auto;padding-top:20px}
.oc-x .oc-cta .btn-x{width:100%}
.oc-x .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.75}

/* ============ 栏目头 ============ */
.page-banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,11,20,.4),rgba(7,11,20,.94)),
             url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 90% at 84% 30%, rgba(53,224,200,.16), transparent 68%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:60px 0 52px;max-width:820px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:rgba(255,255,255,.22)}
.page-banner h1{
  font-size:clamp(32px,5.2vw,52px);line-height:1.12;font-weight:800;letter-spacing:-.02em;
  margin-bottom:16px;
}
.page-banner h1 em{font-style:normal;color:var(--brand)}
.banner-sub{font-size:16.5px;color:var(--text-2);max-width:640px;margin-bottom:26px}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.05);
  border:1px solid var(--line);font-size:13.5px;color:var(--text-2);
  backdrop-filter:blur(10px);transition:.24s;
}
.chip:hover{color:var(--brand);border-color:var(--line-hover);background:var(--brand-soft)}

/* ============ 指标条 ============ */
.stat-strip{
  margin-top:-34px;position:relative;z-index:3;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-card);
  overflow:hidden;
}
.stat-cell{padding:24px 26px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-cell b{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--brand);line-height:1.1;margin-bottom:6px;
}
.stat-cell small{font-size:13px;color:var(--text-3);line-height:1.6;display:block}
@media (max-width:991px){
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-24px}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
}

/* ============ 板块通用 ============ */
.section{padding:96px 0}
.section.tight{padding:72px 0}
@media (max-width:991px){.section{padding:72px 0}.section.tight{padding:56px 0}}
@media (max-width:767px){.section{padding:48px 0}.section.tight{padding:44px 0}}

.sec-head{margin-bottom:44px;max-width:720px}
.sec-head h2{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.sec-head p{margin-top:14px;font-size:15.5px;color:var(--text-2);max-width:640px}
.sec-head.center{max-width:none;text-align:center}
.sec-head.center h2{padding-left:0}
.sec-head.center h2::before{display:none}

/* ============ zigzag ============ */
.zig-list{border-top:1px solid var(--line)}
.zig{
  display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;
  padding:56px 0;border-bottom:1px solid var(--line);
}
.zig.reverse .zig-media{order:-1}
.zig-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(40px,5.4vw,66px);font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px rgba(53,224,200,.5);
  letter-spacing:.02em;display:block;margin-bottom:14px;
}
.zig-body h3{font-size:clamp(20px,2.4vw,26px);line-height:1.35;margin-bottom:14px;font-weight:700}
.zig-body p{font-size:15.5px;color:var(--text-2);margin-bottom:0;max-width:520px}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.metric{border-left:2px solid rgba(53,224,200,.6);padding-left:14px}
.metric b{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(19px,2.2vw,24px);font-weight:800;color:var(--steel);line-height:1.2;margin-bottom:4px;
}
.metric small{font-size:12.5px;color:var(--text-3);line-height:1.5;display:block}
.zig-media{position:relative}
.zig-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  background:linear-gradient(140deg,rgba(53,224,200,.10),rgba(18,29,48,.9));
}
.zig-media .media-tag{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;height:30px;padding:0 13px;
  border-radius:var(--r-badge);background:rgba(6,18,26,.78);color:#fff;
  font-size:12px;letter-spacing:.04em;backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.14);
}
@media (max-width:991px){
  .zig{grid-template-columns:1fr;gap:28px;padding:44px 0}
  .zig.reverse .zig-media{order:0}
  .zig-body p{max-width:none}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
}

/* ============ 动力形式对照 ============ */
.spec-board{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.spec-head,.spec-row{
  display:grid;grid-template-columns:1.05fr 1.35fr 1.2fr 1.2fr;
  gap:18px;padding:20px 26px;align-items:center;
}
.spec-head{
  background:var(--panel-2);border-bottom:1px solid var(--line);
  font-size:12.5px;letter-spacing:.06em;color:var(--text-3);font-weight:600;
}
.spec-row{border-bottom:1px solid var(--line);transition:background .28s ease}
.spec-row:last-child{border-bottom:0}
.spec-row:hover{background:rgba(53,224,200,.055)}
.spec-name{display:flex;align-items:center;gap:12px;font-weight:700;font-size:16px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(53,224,200,.14);flex-shrink:0}
.spec-row .cell{font-size:14.5px;color:var(--text-2)}
.spec-row .cell b{color:var(--steel);font-weight:600}
@media (max-width:767px){
  .spec-head{display:none}
  .spec-row{grid-template-columns:1fr;gap:8px;padding:22px 20px}
  .spec-row .cell{font-size:14px;color:var(--text-3)}
  .spec-row .cell b{display:block;color:var(--text-2);font-weight:500}
}

/* ============ 补能节奏 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-card{
  position:relative;padding:24px 22px 26px;border-radius:var(--r-card);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow-card);transition:transform .36s ease,border-color .36s ease;
}
.flow-card:hover{transform:translateY(-4px);border-color:var(--line-hover)}
.flow-step{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;margin-bottom:12px;display:block;
}
.flow-card h4{font-size:17px;margin-bottom:10px;font-weight:600}
.flow-card p{font-size:14px;color:var(--text-2);margin-bottom:18px;line-height:1.75}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-deep),var(--brand))}
.flow-card:nth-child(1) .bar i{width:25%}
.flow-card:nth-child(2) .bar i{width:50%}
.flow-card:nth-child(3) .bar i{width:75%}
.flow-card:nth-child(4) .bar i{width:100%}
@media (max-width:991px){.flow{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.flow{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.faq-side p{font-size:15px;color:var(--text-2);max-width:340px}
.faq-side .side-card{
  margin-top:24px;padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.faq-side .side-card h4{font-size:16px;margin-bottom:8px}
.faq-side .side-card p{font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.accordion-x .accordion-item{
  background:var(--panel);border:1px solid var(--line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:border-color .28s ease,background .28s ease;
}
.accordion-x .accordion-item:hover{border-color:rgba(53,224,200,.24)}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(53,224,200,.42);
  box-shadow:inset 3px 0 0 var(--brand);
  background:var(--panel-2);
}
.accordion-x .accordion-button{
  background:transparent;color:var(--text);font-size:15.5px;font-weight:600;
  padding:19px 54px 19px 22px;box-shadow:none;line-height:1.6;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--brand);background:transparent}
.accordion-x .accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-x .accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;
  transform:translateY(-50%);background:none;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transition:transform .3s ease,border-color .3s ease;
  margin:0;
}
.accordion-x .accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(45deg);border-color:var(--brand);
}
.accordion-x .accordion-body{
  padding:0 22px 22px;font-size:14.8px;color:var(--text-2);line-height:1.85;
}
@media (max-width:991px){
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-side p{max-width:none}
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:26px;
  border:1px solid var(--glass-line);
  background:linear-gradient(100deg,rgba(11,18,32,.92),rgba(15,24,40,.72)),
             url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  padding:52px 48px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-card);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 120% at 88% 20%, rgba(53,224,200,.18), transparent 65%);
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:2}
.cta-panel h2{font-size:clamp(23px,3vw,32px);line-height:1.28;margin-bottom:12px}
.cta-panel p{font-size:15px;color:var(--text-2);margin-bottom:0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{
  grid-column:1 / -1;margin-top:8px;font-size:12.8px;color:var(--text-3);
  border-top:1px solid var(--line);padding-top:18px;
}
@media (max-width:991px){
  .cta-panel{grid-template-columns:1fr;padding:38px 26px;gap:24px}
  .cta-actions{justify-content:flex-start}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;background:var(--bg-deep);
  border-top:1px solid var(--line);padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:320px;line-height:1.8}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-col p{font-size:14px;color:var(--text-3);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.footer-bottom .fb-links a{color:var(--text-3)}
.footer-bottom .fb-links a:hover{color:var(--brand)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn-x,.chip,.flow-card,.spec-row{transition:none}
}

/* roulang page: category3 */
:root{
    --bg-deep:#070B14;
    --bg-1:#0B1220;
    --panel:#0F1828;
    --panel-2:#121D30;
    --brand:#35E0C8;
    --brand-deep:#1FA894;
    --brand-soft:rgba(53,224,200,.12);
    --accent:#FF5A3C;
    --steel:#C7D2E3;
    --text:#EAF2FF;
    --text-2:#A9B8CE;
    --text-3:#6B7C95;
    --line:rgba(255,255,255,.08);
    --line-hover:rgba(53,224,200,.35);
    --glass:rgba(255,255,255,.05);
    --glass-line:rgba(255,255,255,.09);
    --r-card:18px;
    --r-img:16px;
    --shadow-card:0 18px 40px -20px rgba(0,0,0,.85), inset 0 0 0 1px rgba(255,255,255,.06);
    --shadow-float:0 8px 24px -12px rgba(0,0,0,.9);
    --shadow-brand:0 0 0 1px rgba(53,224,200,.45), 0 10px 30px -8px rgba(53,224,200,.45);
    --bs-body-bg:var(--bg-deep);
    --bs-body-color:var(--text);
    --bs-border-color:var(--line);
    --bs-primary:var(--brand);
    --bs-link-color:var(--brand);
    --bs-link-hover-color:#5CEBD7;
    --bs-border-radius:14px;
    --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-deep);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    background:
      radial-gradient(720px 460px at 82% -6%,rgba(53,224,200,.10),transparent 70%),
      radial-gradient(620px 420px at 6% 34%,rgba(31,168,148,.07),transparent 72%);
    pointer-events:none;
    z-index:0;
  }
  a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
  a:hover{color:#5CEBD7;}
  img{max-width:100%;display:block;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0 0 16px;color:var(--text-2);font-size:15.5px;line-height:1.85;}
  h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
  @media(min-width:992px){.container-x{padding:0 24px;}}

  /* ---------- 顶部导航 ---------- */
  .site-head{
    position:sticky;top:0;z-index:1030;
    height:64px;
    display:flex;align-items:center;
    background:rgba(7,11,20,.72);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid transparent;
    transition:border-color .3s ease,background .3s ease;
  }
  .site-head.is-stuck{border-bottom-color:var(--line);background:rgba(7,11,20,.9);}
  .nav-wrap{display:flex;align-items:center;gap:20px;width:100%;}
  .brand{
    display:inline-flex;align-items:center;gap:10px;
    font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text);
    white-space:nowrap;
  }
  .brand:hover{color:var(--text);}
  .brand-mark{
    width:28px;height:28px;border-radius:9px;
    display:grid;place-items:center;
    background:linear-gradient(140deg,var(--brand),var(--brand-deep));
    color:#06121A;font-size:14px;font-weight:800;
    box-shadow:0 6px 18px -8px rgba(53,224,200,.8);
  }
  .nav-links{display:none;align-items:center;gap:4px;margin-left:8px;}
  .nav-link-x{
    position:relative;
    display:inline-flex;align-items:center;
    height:36px;padding:0 12px;border-radius:999px;
    font-size:14.5px;font-weight:500;color:var(--text-2);
    white-space:nowrap;
    transition:color .25s ease,background .25s ease;
  }
  .nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.05);}
  .nav-link-x.active{color:var(--brand);background:var(--brand-soft);}
  .nav-link-x.active::after{
    content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
    width:14px;height:2px;border-radius:2px;background:var(--brand);
  }
  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .search-pill{
    display:none;align-items:center;gap:6px;
    height:36px;padding:0 6px 0 14px;border-radius:999px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    transition:border-color .25s ease,background .25s ease;
  }
  .search-pill:focus-within{border-color:var(--line-hover);background:rgba(53,224,200,.06);}
  .search-pill input{
    width:132px;border:0;background:transparent;color:var(--text);
    font-size:13.5px;outline:none;
  }
  .search-pill input::placeholder{color:var(--text-3);}
  .search-pill button{
    width:26px;height:26px;border:0;border-radius:50%;
    background:var(--brand-soft);color:var(--brand);
    display:grid;place-items:center;cursor:pointer;
    transition:background .25s ease;
  }
  .search-pill button:hover{background:rgba(53,224,200,.24);}
  .btn-x{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border:1px solid transparent;border-radius:999px;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
    white-space:nowrap;
  }
  .btn-x:active{transform:translateY(0);}
  .btn-sm-x{height:36px;padding:0 16px;font-size:13.5px;}
  .btn-brand{background:var(--brand);color:#06121A;box-shadow:var(--shadow-brand);}
  .btn-brand:hover{background:#4BE9D3;color:#06121A;transform:translateY(-1px);}
  .btn-ghost{background:transparent;border-color:rgba(53,224,200,.45);color:var(--brand);}
  .btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);}
  .btn-line{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text);}
  .btn-line:hover{border-color:var(--line-hover);color:var(--text);transform:translateY(-1px);}
  .nav-toggle{
    width:38px;height:34px;border:1px solid var(--line);border-radius:10px;
    background:rgba(255,255,255,.04);display:grid;place-content:center;gap:4px;
    cursor:pointer;
  }
  .nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-2);}
  @media(min-width:992px){
    .nav-links{display:flex;}
    .search-pill{display:flex;}
    .nav-toggle{display:none;}
  }
  @media(min-width:1200px){
    .nav-link-x{padding:0 14px;font-size:15px;}
    .search-pill input{width:168px;}
  }
  .offcanvas.offcanvas-x{
    background:rgba(11,18,32,.92);
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
    border-left:1px solid var(--glass-line);
    color:var(--text);
    width:min(88vw,340px);
  }
  .offcanvas-x .oc-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
  .offcanvas-x .oc-body{padding:18px 20px;display:flex;flex-direction:column;gap:6px;}
  .offcanvas-x .oc-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:13px 14px;border-radius:12px;color:var(--text-2);font-size:15px;
    border:1px solid transparent;
  }
  .offcanvas-x .oc-link:hover{background:rgba(255,255,255,.05);color:var(--text);}
  .offcanvas-x .oc-link.active{background:var(--brand-soft);color:var(--brand);border-color:rgba(53,224,200,.28);}
  .offcanvas-x .oc-foot{padding:16px 20px 26px;border-top:1px solid var(--line);margin-top:auto;}
  .oc-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-2);font-size:18px;line-height:1;cursor:pointer;}
  .oc-close:hover{color:var(--text);border-color:var(--line-hover);}

  /* ---------- 通用板块 ---------- */
  .section{padding:96px 0;position:relative;}
  .section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  @media(max-width:991px){.section{padding:72px 0;}}
  @media(max-width:767px){.section{padding:48px 0;}}
  .sec-head{margin-bottom:36px;}
  .sec-head.flex{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
  .sec-title{
    position:relative;padding-left:16px;
    font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.015em;
  }
  .sec-title::before{
    content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:3px;
    background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  }
  .sec-desc{font-size:15px;color:var(--text-3);max-width:520px;margin:0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    padding:5px 12px;border-radius:8px;
    background:var(--brand-soft);color:var(--brand);
    font-size:12px;font-weight:500;letter-spacing:.04em;
  }
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
  .link-arrow:hover{gap:10px;}

  /* ---------- 栏目头 ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    padding:56px 0 72px;
    border-bottom:1px solid var(--line);
  }
  .page-hero .hero-bg{
    position:absolute;inset:0;
    background-size:cover;background-position:center;
    opacity:.34;
    filter:saturate(.75);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.82) 52%,rgba(7,11,20,.56) 100%);
  }
  .hero-inner{display:grid;gap:32px;align-items:center;position:relative;z-index:2;}
  @media(min-width:992px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:48px;}}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
  .crumb a{color:var(--text-3);}
  .crumb a:hover{color:var(--brand);}
  .crumb span.sep{color:rgba(255,255,255,.18);}
  .page-hero h1{
    font-size:clamp(32px,5.2vw,52px);
    line-height:1.12;font-weight:800;letter-spacing:-.02em;
    margin:14px 0 18px;
  }
  .page-hero h1 em{font-style:normal;color:var(--brand);}
  .hero-sub{font-size:15.5px;color:var(--text-2);max-width:520px;margin:0 0 24px;}
  .anchor-pills{display:flex;flex-wrap:wrap;gap:10px;}
  .pill{
    display:inline-flex;align-items:center;height:36px;padding:0 16px;
    border-radius:999px;border:1px solid var(--line);
    background:rgba(255,255,255,.04);color:var(--text-2);
    font-size:13.5px;transition:all .25s ease;
  }
  .pill:hover{border-color:var(--line-hover);color:var(--brand);background:rgba(53,224,200,.08);}
  .pill.solid{background:var(--brand-soft);border-color:rgba(53,224,200,.3);color:var(--brand);}
  .hero-side{position:relative;}
  .hero-figure{
    border-radius:20px;overflow:hidden;border:1px solid var(--glass-line);
    box-shadow:var(--shadow-card);
    background:rgba(53,224,200,.08);
    aspect-ratio:16/10;
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .float-card{
    position:relative;
    display:inline-flex;align-items:center;gap:12px;
    padding:12px 16px;border-radius:14px;
    background:rgba(255,255,255,.06);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border:1px solid var(--glass-line);
    box-shadow:var(--shadow-float);
    margin:0 0 14px;
  }
  .float-card .fc-num{
    font-size:22px;font-weight:800;color:var(--brand);
    font-variant-numeric:tabular-nums;line-height:1;
    font-family:Inter,"DIN Alternate",sans-serif;
  }
  .float-card .fc-label{font-size:12.5px;color:var(--text-3);line-height:1.5;}
  @media(min-width:992px){
    .float-card{position:absolute;left:-18px;bottom:-16px;margin:0;z-index:3;}
  }

  /* ---------- 进度概览 ---------- */
  .rail-wrap{
    display:grid;gap:14px;
    padding:22px;border-radius:var(--r-card);
    background:var(--panel);border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  @media(min-width:768px){.rail-wrap{grid-template-columns:repeat(5,1fr);gap:12px;}}
  .rail-step{
    position:relative;padding:14px 16px;border-radius:14px;
    background:rgba(255,255,255,.03);border:1px solid var(--line);
    transition:all .3s ease;
  }
  .rail-step:hover{border-color:var(--line-hover);transform:translateY(-3px);}
  .rail-step .rs-idx{
    font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.08em;
    font-family:Inter,"DIN Alternate",sans-serif;
  }
  .rail-step .rs-name{margin-top:4px;font-size:14.5px;font-weight:600;color:var(--text);}
  .rail-step .rs-time{margin-top:2px;font-size:12.5px;color:var(--text-3);}
  .rail-step .rs-bar{margin-top:10px;height:3px;border-radius:3px;background:rgba(255,255,255,.07);overflow:hidden;}
  .rail-step .rs-bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--brand-deep));}

  /* ---------- 时间线 ---------- */
  .timeline{margin-top:8px;}
  .tl-item{
    position:relative;
    display:grid;grid-template-columns:72px 1fr;column-gap:24px;
    padding-bottom:34px;
  }
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::after{
    content:"";position:absolute;left:35px;top:74px;bottom:6px;width:2px;
    background:linear-gradient(180deg,rgba(53,224,200,.5),rgba(53,224,200,.05));
  }
  .tl-item:last-child::after{display:none;}
  .tl-node{
    width:72px;height:72px;border-radius:50%;
    display:grid;place-items:center;
    background:radial-gradient(circle at 30% 25%,rgba(53,224,200,.28),rgba(53,224,200,.06));
    border:1px solid rgba(53,224,200,.34);
    color:var(--brand);
    font-family:Inter,"DIN Alternate",sans-serif;
    font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
    box-shadow:0 10px 30px -18px rgba(53,224,200,.9);
  }
  .tl-card{
    padding:22px 24px;border-radius:var(--r-card);
    background:var(--glass);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border:1px solid var(--glass-line);
    box-shadow:var(--shadow-card);
    transition:transform .36s ease-out,border-color .36s ease-out;
  }
  .tl-card:hover{transform:translateY(-4px);border-color:var(--line-hover);}
  .tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
  .tl-card h3{font-size:18px;font-weight:600;}
  .tag{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:8px;font-size:12px;font-weight:500;letter-spacing:.04em;
    background:var(--brand-soft);color:var(--brand);border:1px solid rgba(53,224,200,.22);
  }
  .tag.mute{background:rgba(255,255,255,.05);color:var(--text-3);border-color:var(--line);}
  .tl-card p{margin:0 0 12px;font-size:14.8px;}
  .tl-list{display:grid;gap:8px;}
  .tl-list li{
    position:relative;padding-left:20px;
    font-size:14px;color:var(--text-2);line-height:1.7;
  }
  .tl-list li::before{
    content:"";position:absolute;left:0;top:9px;
    width:7px;height:7px;border-radius:50%;
    background:var(--brand);opacity:.7;
  }
  @media(max-width:767px){
    .tl-item{grid-template-columns:1fr;row-gap:12px;padding-bottom:26px;padding-left:0;}
    .tl-item::after{display:none;}
    .tl-node{width:52px;height:52px;font-size:17px;}
    .tl-card{padding:18px;}
  }

  /* ---------- 费用参考 ---------- */
  .cost-grid{display:grid;gap:20px;}
  @media(min-width:576px){.cost-grid{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1200px){.cost-grid{grid-template-columns:repeat(4,1fr);}}
  .cost-card{
    padding:24px 22px;border-radius:var(--r-card);
    background:var(--panel);border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    transition:transform .36s ease-out,border-color .36s ease-out;
  }
  .cost-card:hover{transform:translateY(-4px);border-color:var(--line-hover);}
  .cost-card .c-num{
    font-family:Inter,"DIN Alternate",sans-serif;
    font-variant-numeric:tabular-nums;
    font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--brand);line-height:1.1;
  }
  .cost-card .c-num small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px;}
  .cost-card h3{margin:10px 0 8px;font-size:16px;font-weight:600;color:var(--steel);}
  .cost-card p{margin:0;font-size:13.5px;color:var(--text-3);line-height:1.7;}

  /* ---------- 材料清单 ---------- */
  .prep-grid{display:grid;gap:24px;}
  @media(min-width:992px){.prep-grid{grid-template-columns:1.05fr .95fr;}}
  .prep-cards{display:grid;gap:20px;}
  .prep-card{
    padding:24px;border-radius:var(--r-card);
    background:var(--panel);border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .prep-card h3{font-size:17px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
  .prep-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);}
  .check-list{display:grid;gap:10px;}
  .check-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14.5px;color:var(--text-2);line-height:1.7;
  }
  .check-list .tick{
    flex:0 0 18px;width:18px;height:18px;border-radius:6px;
    background:var(--brand-soft);border:1px solid rgba(53,224,200,.3);
    display:grid;place-items:center;margin-top:3px;
  }
  .check-list .tick svg{width:10px;height:10px;stroke:var(--brand);}
  .prep-figure{
    position:relative;border-radius:20px;overflow:hidden;
    border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
    min-height:280px;background:rgba(53,224,200,.08);
  }
  .prep-figure img{width:100%;height:100%;object-fit:cover;min-height:280px;}
  .prep-figure .pf-cap{
    position:absolute;left:16px;right:16px;bottom:16px;
    padding:14px 16px;border-radius:14px;
    background:rgba(7,11,20,.72);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border:1px solid var(--glass-line);
    font-size:13.5px;color:var(--text-2);line-height:1.6;
  }

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;gap:32px;}
  @media(min-width:992px){.faq-grid{grid-template-columns:.8fr 1.2fr;gap:56px;}}
  .faq-side p{font-size:14.5px;color:var(--text-3);}
  .faq-side .side-card{
    margin-top:20px;padding:20px;border-radius:16px;
    background:var(--panel-2);border:1px solid var(--line);
  }
  .faq-side .side-card strong{display:block;font-size:15px;color:var(--text);margin-bottom:6px;}
  .faq-side .side-card span{display:block;font-size:13.5px;color:var(--text-3);margin-bottom:14px;}
  .accordion{--bs-accordion-bg:transparent;--bs-accordion-color:var(--text-2);
    --bs-accordion-border-color:var(--line);--bs-accordion-btn-color:var(--text);
    --bs-accordion-btn-bg:transparent;--bs-accordion-active-bg:rgba(53,224,200,.06);
    --bs-accordion-active-color:var(--brand);--bs-accordion-btn-focus-box-shadow:none;
    --bs-accordion-border-radius:14px;--bs-accordion-inner-border-radius:14px;
    --bs-accordion-btn-icon-width:0;}
  .accordion-item{
    background:rgba(255,255,255,.04);
    border:1px solid var(--line)!important;
    border-radius:14px!important;overflow:hidden;
    margin-bottom:12px;
    transition:border-color .3s ease;
  }
  .accordion-item:hover{border-color:rgba(53,224,200,.24)!important;}
  .accordion-button{
    position:relative;
    font-size:16px;font-weight:600;padding:18px 52px 18px 20px;
    background:transparent!important;box-shadow:none!important;
  }
  .accordion-button:not(.collapsed){color:var(--brand);}
  .accordion-button:not(.collapsed)::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  }
  .accordion-button::after{
    content:"";position:absolute;right:20px;top:50%;
    width:11px;height:11px;margin:0;
    border-right:2px solid var(--brand);
    border-bottom:2px solid var(--brand);
    background-image:none;
    transform:translateY(-70%) rotate(45deg);
    transition:transform .3s ease;
  }
  .accordion-button:not(.collapsed)::after{transform:translateY(-25%) rotate(-135deg);}
  .accordion-body{font-size:14.8px;color:var(--text-2);line-height:1.85;padding:0 20px 20px;}

  /* ---------- 转化面板 ---------- */
  .cta-panel{
    position:relative;overflow:hidden;
    border-radius:24px;padding:40px 28px;
    background:rgba(255,255,255,.05);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border:1px solid var(--glass-line);
    box-shadow:var(--shadow-card);
  }
  .cta-panel .cta-bg{
    position:absolute;inset:0;
    background-size:cover;background-position:center;opacity:.16;
  }
  .cta-panel::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(96deg,rgba(7,11,20,.94),rgba(7,11,20,.55));
  }
  .cta-inner{position:relative;z-index:2;display:grid;gap:24px;align-items:center;}
  @media(min-width:992px){.cta-inner{grid-template-columns:1.15fr .85fr;}}
  .cta-inner h2{font-size:clamp(23px,3vw,32px);line-height:1.28;margin-bottom:10px;}
  .cta-inner p{margin:0;font-size:14.5px;color:var(--text-2);max-width:520px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  @media(min-width:992px){.cta-actions{justify-content:flex-end;}}
  .cta-note{margin-top:22px;font-size:12.5px;color:var(--text-3);position:relative;z-index:2;}
  @media(min-width:992px){.cta-panel{padding:52px 44px;}}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--bg-deep);
    border-top:1px solid var(--line);
    padding:64px 0 0;
    position:relative;z-index:1;
  }
  .footer-grid{display:grid;gap:32px;padding-bottom:44px;}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:992px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;}}
  .footer-brand .brand{margin-bottom:14px;}
  .footer-brand p{font-size:13.5px;color:var(--text-3);max-width:320px;line-height:1.8;margin:0;}
  .footer-col h4{font-size:14px;font-weight:600;color:var(--steel);margin-bottom:14px;letter-spacing:.02em;}
  .footer-col ul{display:grid;gap:9px;}
  .footer-col a{font-size:13.5px;color:var(--text-3);}
  .footer-col a:hover{color:var(--brand);}
  .footer-col p{font-size:13.5px;color:var(--text-3);margin:0 0 8px;line-height:1.7;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    padding:20px 0 28px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--text-3);
  }
  .footer-bottom .fb-links{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
  .footer-bottom a{color:var(--text-3);}
  .footer-bottom a:hover{color:var(--brand);}

  /* ---------- 动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);}
  .reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease;}
  @media(prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;}
    *{transition:none!important;animation:none!important;}
  }

/* roulang page: category4 */
:root{
  --bs-body-bg:#070B14;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#35E0C8;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#1FA894;
  --bs-border-radius:14px;

  --bg-deep:#070B14;
  --bg-1:#0B1220;
  --panel:#0F1828;
  --panel-2:#121D30;
  --brand:#35E0C8;
  --brand-deep:#1FA894;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#FF5A3C;
  --steel:#C7D2E3;
  --text:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6B7C95;
  --ink:#06121A;
  --line:rgba(255,255,255,.08);
  --line-hi:rgba(53,224,200,.35);
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-badge:8px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.85);
  --shadow-float:0 8px 24px -12px rgba(0,0,0,.9);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","DIN Alternate","PingFang SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--bg-deep);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul{list-style:none;}

.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(7,11,20,.70);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.94);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:24px;
  min-height:64px;
}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:9px;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:var(--ink);
  font-size:15px;
  font-weight:800;
  box-shadow:0 6px 18px -8px rgba(53,224,200,.9);
}
.nav-links{display:flex;align-items:center;gap:22px;}
.nav-link-x{
  position:relative;
  font-size:14px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link-x:hover{color:var(--text);}
.nav-link-x.active{color:var(--brand);}
.nav-link-x.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:14px;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 8px 6px 16px;
  width:220px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--line-hi);
  box-shadow:0 0 0 3px rgba(53,224,200,.14);
}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:13.5px;
  outline:none;
  padding:2px 0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:0;
  background:transparent;
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  padding:0 6px;
  white-space:nowrap;
  border-radius:999px;
}
.nav-search button:hover{color:#40e8d2;}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  font-size:13px;
  cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--line-hi);background:var(--brand-soft);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:1050;
  background:rgba(7,11,20,.97);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  transform:translateX(100%);
  transition:transform .32s ease;
  display:flex;
  flex-direction:column;
  padding:18px 20px 28px;
  overflow-y:auto;
  visibility:hidden;
}
.mobile-drawer.open{transform:translateX(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  font-size:16px;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.drawer-links{display:flex;flex-direction:column;padding:14px 0;flex:1;}
.drawer-links a{
  font-size:16px;
  color:var(--text-2);
  padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.drawer-links a.active{color:var(--brand);}
.drawer-foot{padding-top:16px;display:flex;flex-direction:column;gap:12px;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:600;
  white-space:nowrap;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-x:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-main{
  background:var(--brand);
  color:var(--ink);
  height:48px;
  padding:0 26px;
  font-size:15px;
  box-shadow:0 0 0 1px rgba(53,224,200,.45),0 10px 30px -8px rgba(53,224,200,.45);
}
.btn-main:hover{
  background:#40e8d2;
  color:var(--ink);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(53,224,200,.6),0 14px 34px -8px rgba(53,224,200,.55);
}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:rgba(53,224,200,.5);
  height:48px;
  padding:0 24px;
  font-size:15px;
}
.btn-ghost:hover{
  background:var(--brand-soft);
  color:var(--brand);
  transform:translateY(-1px);
  border-color:var(--brand);
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-quiet{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--brand);
  padding:0;
  border:0;
  background:transparent;
  cursor:pointer;
}
.btn-quiet:hover{color:#40e8d2;}

/* ============ 栏目头 ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-deep);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.6;
}
.cat-hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(7,11,20,.97) 0%,rgba(7,11,20,.88) 46%,rgba(7,11,20,.55) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding:60px 0 56px;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs span{color:var(--text-2);}
h1{
  font-size:clamp(32px,5.2vw,52px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.hero-sub{
  font-size:16px;
  color:var(--text-2);
  max-width:620px;
  line-height:1.8;
  margin-bottom:26px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:999px;
  padding:8px 16px;
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.chip:hover{
  color:var(--brand);
  border-color:var(--line-hi);
  background:var(--brand-soft);
}

/* ============ 板块基础 ============ */
.section{padding:96px 0;}
.section-alt{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.sec-title-wrap{display:flex;flex-direction:column;gap:10px;}
h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.25;
  font-weight:700;
}
h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  bottom:.2em;
  width:6px;
  border-radius:3px;
  background:var(--brand);
  box-shadow:0 0 18px rgba(53,224,200,.55);
}
.sec-desc{
  font-size:14px;
  color:var(--text-3);
  max-width:440px;
  line-height:1.75;
}

/* ============ 资讯列表 + 侧栏 ============ */
.news-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:32px;
  align-items:start;
}
.month-block{margin-bottom:34px;}
.month-block:last-child{margin-bottom:0;}
.month-label{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  color:var(--brand);
  margin-bottom:14px;
}
.month-label::after{
  content:"";
  flex:1;
  height:1px;
  background:linear-gradient(90deg,rgba(53,224,200,.38),rgba(53,224,200,0));
}
.news-row{
  display:grid;
  grid-template-columns:78px minmax(0,1fr) 40px;
  gap:20px;
  align-items:center;
  padding:20px 22px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  margin-bottom:12px;
  transition:transform .28s ease,border-color .28s ease,background .28s ease;
}
.news-row:hover{
  transform:translateY(-2px);
  border-color:var(--line-hi);
  background:var(--panel-2);
}
.date-block{
  text-align:center;
  padding-right:16px;
  border-right:1px solid var(--line);
}
.date-day{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:800;
  line-height:1.1;
  color:var(--steel);
}
.date-mon{
  display:block;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-3);
  margin-top:2px;
}
.news-row h3{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  color:var(--text);
  margin-bottom:6px;
  transition:color .2s ease;
}
.news-row:hover h3{color:var(--brand);}
.news-row p{
  font-size:14px;
  line-height:1.72;
  color:var(--text-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.row-arrow{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-3);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.news-row:hover .row-arrow{
  background:var(--brand);
  color:var(--ink);
  border-color:var(--brand);
}

/* 侧栏 */
.side-sticky{position:sticky;top:88px;}
.side-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:24px;
  margin-bottom:20px;
}
.side-card h3{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:4px;height:14px;
  border-radius:2px;
  background:var(--brand);
}
.tag-wall{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  padding:6px 12px;
  border-radius:var(--r-badge);
  font-size:12.5px;
  color:var(--brand);
  background:var(--brand-soft);
  border:1px solid rgba(53,224,200,.18);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.tag:hover{
  background:rgba(53,224,200,.22);
  border-color:var(--line-hi);
  color:#8EF2E4;
}
.side-note{
  font-size:13px;
  color:var(--text-3);
  line-height:1.75;
  margin-bottom:18px;
}
.side-form{display:flex;flex-direction:column;gap:14px;}
.field-label{
  display:block;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:8px;
}
.field-input{
  width:100%;
  height:46px;
  border-radius:var(--r-input);
  background:#0A1322;
  border:1px solid var(--line);
  color:var(--text);
  font-size:14px;
  padding:0 14px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field-input::placeholder{color:#55647B;}
.field-input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.form-tip{
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.7;
}
.form-done{
  display:none;
  font-size:13px;
  color:var(--brand);
  background:var(--brand-soft);
  border:1px solid rgba(53,224,200,.25);
  border-radius:var(--r-badge);
  padding:10px 12px;
  line-height:1.7;
}
.form-done.show{display:block;}

.side-stat{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.side-stat:last-child{border-bottom:0;padding-bottom:0;}
.side-stat .k{font-size:13px;color:var(--text-3);}
.side-stat .v{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:18px;
  font-weight:700;
  color:var(--brand);
}

/* ============ 活动卡片 ============ */
.events-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.event-card{
  display:flex;
  flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .36s ease,border-color .36s ease;
}
.event-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-hi);
}
.event-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:rgba(53,224,200,.08);
}
.event-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .36s ease;
}
.event-card:hover .event-media img{transform:scale(1.04);}
.badge-x{
  position:absolute;
  left:14px;
  top:14px;
  display:inline-flex;
  align-items:center;
  padding:5px 10px;
  border-radius:var(--r-badge);
  font-size:12px;
  font-weight:500;
  letter-spacing:.04em;
  color:#9BF3E6;
  background:rgba(9,26,34,.66);
  border:1px solid rgba(53,224,200,.35);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.event-body{
  padding:20px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.event-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  color:var(--text);
}
.event-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-3);
  flex:1;
}
.event-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;
  color:var(--text-3);
}
.event-meta strong{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  color:var(--steel);
  font-weight:600;
}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:40px;
  align-items:start;
}
.faq-aside p{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
  margin-top:16px;
  max-width:360px;
}
.faq-contact{
  margin-top:24px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.faq-contact .k{font-size:13px;color:var(--text-3);margin-bottom:6px;}
.faq-contact .v{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  margin-bottom:4px;
}
.faq-contact .s{font-size:12.5px;color:var(--text-3);}

.acc-x .accordion-item{
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  margin-bottom:12px;
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.acc-x .accordion-item:last-child{margin-bottom:0;}
.acc-x .accordion-button{
  position:relative;
  background:transparent;
  color:var(--text);
  font-size:15.5px;
  font-weight:600;
  line-height:1.5;
  padding:18px 54px 18px 22px;
  box-shadow:none;
  border:0;
}
.acc-x .accordion-button:focus{box-shadow:none;border-color:transparent;}
.acc-x .accordion-button:not(.collapsed){
  color:var(--brand);
  background:rgba(53,224,200,.07);
  box-shadow:none;
}
.acc-x .accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:3px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 14px rgba(53,224,200,.7);
}
.acc-x .accordion-button::after{
  position:absolute;
  right:22px;
  top:50%;
  width:14px;
  height:14px;
  margin:0;
  transform:translateY(-50%);
  border:0;
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-position:center center,center center;
  background-size:14px 2px,2px 14px;
  background-repeat:no-repeat;
  transition:transform .28s ease;
}
.acc-x .accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(45deg);
}
.acc-x .accordion-body{
  padding:0 22px 20px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-2);
  background:transparent;
}
.acc-x .accordion-body strong{color:var(--steel);font-weight:600;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  padding:48px;
  box-shadow:var(--shadow-card);
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  opacity:.2;
}
.cta-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 18% 20%,rgba(53,224,200,.16),transparent 62%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:32px;
  align-items:center;
}
.cta-inner h2{padding-left:0;font-size:clamp(22px,2.8vw,30px);}
.cta-inner h2::before{display:none;}
.cta-inner .cta-sub{
  margin-top:12px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
  max-width:520px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-foot{
  position:relative;
  z-index:2;
  margin-top:28px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  color:var(--text-3);
  line-height:1.85;
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-3);
}
.footer-col a:hover{color:var(--brand);}
.footer-col p{
  font-size:14px;
  color:var(--text-3);
  line-height:1.75;
  margin-bottom:10px;
}
.footer-col p:last-child{margin-bottom:0;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .fb-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 动效 ============ */
html.js .reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s ease,transform .6s ease;
}
html.js .reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .news-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
  .nav-links{gap:16px;}
  .nav-search{width:190px;}
}
@media (max-width:991px){
  .nav-inner{grid-template-columns:1fr auto;min-height:56px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .news-layout{grid-template-columns:1fr;}
  .side-sticky{position:static;}
  .events-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .faq-aside p{max-width:none;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cat-hero-inner{padding:48px 0 44px;}
}
@media (max-width:767px){
  .container-x{padding:0 20px;}
  .section{padding:48px 0;}
  h1{font-size:clamp(28px,7vw,36px);}
  .hero-sub{font-size:15px;}
  .events-grid{grid-template-columns:1fr;}
  .news-row{
    grid-template-columns:62px minmax(0,1fr);
    gap:14px;
    padding:16px;
  }
  .row-arrow{display:none;}
  .date-day{font-size:22px;}
  .news-row h3{font-size:16px;}
  .cta-panel{padding:28px 22px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px;}
  .footer-bottom{justify-content:flex-start;}
  .sec-head{margin-bottom:24px;}
  .side-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;transition:none;}
  .news-row,.event-card,.event-media img,.row-arrow{transition:none;}
}

/* roulang page: category5 */
:root{
  --bg-deep:#070B14;
  --bg-1:#0B1220;
  --panel:#0F1828;
  --panel-2:#121D30;
  --brand:#35E0C8;
  --brand-deep:#1FA894;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#FF5A3C;
  --steel:#C7D2E3;
  --text:#EAF2FF;
  --text-2:#A9B8CE;
  --text-3:#6B7C95;
  --ink:#06121A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-hover:rgba(53,224,200,.35);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.09);
  --radius-card:18px;
  --radius-pill:999px;
  --radius-input:12px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.85), inset 0 0 0 1px rgba(255,255,255,.06);
  --shadow-float:0 8px 24px -12px rgba(0,0,0,.9);
  --ease:.36s ease-out;

  --bs-body-bg:#070B14;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#35E0C8;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#7CF0DE;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1000px 560px at 80% -6%,rgba(53,224,200,.10),transparent 62%),
    radial-gradient(760px 460px at 4% 8%,rgba(53,224,200,.055),transparent 68%),
    var(--bg-deep);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease;}
a:hover{color:#7CF0DE;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container-x{max-width:1280px;}}
@media (max-width:991px){.container-x{padding:0 20px;}}

/* ============ 顶栏 ============ */
.topbar{
  height:28px;
  display:flex;align-items:center;
  background:linear-gradient(90deg,rgba(53,224,200,.14),rgba(53,224,200,.04) 55%,transparent);
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;height:28px;}
.topbar-track{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:none;box-shadow:0 0 0 3px rgba(53,224,200,.16);}
.topbar-close{background:none;border:0;color:var(--text-3);cursor:pointer;font-size:15px;line-height:1;padding:2px 4px;border-radius:6px;}
.topbar-close:hover{color:var(--text);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(7,11,20,.92);border-bottom-color:var(--line);}
.nav-shell{display:flex;align-items:center;gap:26px;height:64px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:18px;color:var(--text);letter-spacing:-.01em;
  flex:none;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:var(--ink);display:grid;place-items:center;
  font-size:15px;font-weight:800;
  box-shadow:0 6px 18px -8px rgba(53,224,200,.8);
}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;}
.nav-link-x{
  display:inline-flex;align-items:center;height:36px;padding:0 13px;
  border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--text-2);font-weight:500;white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.nav-link-x:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link-x.active{color:var(--brand);background:var(--brand-soft);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none;}
.nav-search{
  display:flex;align-items:center;gap:6px;
  height:38px;padding:0 6px 0 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:border-color .25s ease,background .25s ease;
}
.nav-search:focus-within{border-color:var(--line-hover);background:rgba(53,224,200,.06);}
.nav-search input{
  width:130px;background:none;border:0;outline:none;
  font-size:13.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  width:28px;height:28px;border-radius:50%;border:0;cursor:pointer;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:14px;line-height:1;
  transition:background .2s ease,transform .2s ease;
}
.nav-search button:hover{background:rgba(53,224,200,.24);transform:scale(1.05);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);cursor:pointer;
  align-items:center;justify-content:center;font-size:18px;line-height:1;
}
@media (max-width:1199px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
}
@media (max-width:767px){
  .nav-shell{height:56px;gap:12px;}
  .brand{font-size:16.5px;}
  .brand-mark{width:26px;height:26px;border-radius:8px;font-size:13px;}
}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-x:active{transform:translateY(0);}
.btn-primary-x{
  background:var(--brand);color:var(--ink);
  box-shadow:0 0 0 1px rgba(53,224,200,.45),0 10px 30px -8px rgba(53,224,200,.45);
}
.btn-primary-x:hover{
  background:#4DEBD5;color:var(--ink);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(53,224,200,.6),0 16px 36px -10px rgba(53,224,200,.55);
}
.btn-ghost-x{
  background:transparent;color:var(--brand);border-color:var(--line-hover);
}
.btn-ghost-x:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);}
.btn-sm-x{height:44px;padding:0 20px;font-size:14px;}
.btn-xs-x{height:36px;padding:0 16px;font-size:13.5px;}
.btn-link-x{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-link-x:hover{color:#7CF0DE;gap:10px;}

/* ============ 移动抽屉 ============ */
.drawer-x{
  background:rgba(9,14,24,.96)!important;
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  border-left:1px solid var(--glass-line)!important;
  width:min(86vw,360px)!important;
  color:var(--text);
}
.drawer-x .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-x .offcanvas-title{font-size:17px;font-weight:800;color:var(--text);}
.btn-close-x{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--text-2);
  font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center;
}
.btn-close-x:hover{color:var(--text);border-color:var(--line-hover);}
.drawer-x .offcanvas-body{padding:18px 20px 24px;display:flex;flex-direction:column;gap:6px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:14px;
  color:var(--text-2);font-size:15.5px;font-weight:500;
  border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.drawer-link:hover,.drawer-link.active{background:rgba(53,224,200,.1);color:var(--brand);border-color:var(--line-hover);}
.drawer-cta{margin-top:16px;}

/* ============ 栏目头 ============ */
.page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-head-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-head-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,20,.95) 0%,rgba(7,11,20,.88) 45%,rgba(7,11,20,.62) 100%);
}
.page-head .container-x{position:relative;z-index:2;padding-top:44px;padding-bottom:48px;}
.crumb-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.crumb-row a{color:var(--text-3);}
.crumb-row a:hover{color:var(--brand);}
.crumb-row .sep{opacity:.5;}
.crumb-row .cur{color:var(--text-2);}
.page-head-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:end;}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:500;letter-spacing:.04em;
}
.page-head h1{
  font-size:clamp(32px,5.2vw,52px);
  line-height:1.12;font-weight:800;letter-spacing:-.02em;
  margin:16px 0 14px;
}
.page-head h1 em{font-style:normal;color:var(--brand);}
.page-head-sub{font-size:16px;line-height:1.85;color:var(--text-2);max-width:620px;margin:0;}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill-x{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);font-size:13.5px;
  transition:all .25s ease;
}
.pill-x:hover{color:var(--brand);border-color:var(--line-hover);background:var(--brand-soft);}
.head-stats{
  display:grid;grid-template-columns:1fr;gap:1px;
  background:var(--glass-line);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.head-stat{background:rgba(10,17,29,.72);padding:16px 20px;display:flex;align-items:baseline;gap:12px;}
.head-stat b{
  font-family:Inter,"DIN Alternate",sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--brand);line-height:1.1;
}
.head-stat span{font-size:13px;color:var(--text-3);line-height:1.5;}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:36px;max-width:820px;}
.section-head h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.25;font-weight:700;
  padding-left:18px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:6px;border-radius:4px;
  background:var(--brand);box-shadow:0 0 16px rgba(53,224,200,.5);
}
.section-head p{margin:12px 0 0;padding-left:18px;color:var(--text-2);font-size:15px;line-height:1.85;}
@media (max-width:1199px){.section{padding:72px 0;}}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .page-head .container-x{padding-top:32px;padding-bottom:36px;}
  .page-head-grid{grid-template-columns:1fr;gap:26px;align-items:start;}
}

/* ============ 搜索 & 标签墙 ============ */
.search-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:26px;
}
.search-bar{display:flex;gap:12px;}
.search-bar input{
  flex:1;height:52px;padding:0 20px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  color:var(--text);font-size:15px;outline:none;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.search-bar input::placeholder{color:var(--text-3);}
.search-bar input:focus{
  border-color:var(--line-hover);
  background:rgba(53,224,200,.06);
  box-shadow:0 0 0 4px rgba(53,224,200,.1);
}
.search-bar .btn-x{height:52px;flex:none;}
.tag-wall{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tag-x{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-2);font-size:13px;
  transition:all .22s ease;
}
.tag-x:hover{color:var(--brand);border-color:var(--line-hover);background:var(--brand-soft);}
.search-hint{margin-top:16px;font-size:13.5px;color:var(--text-3);min-height:22px;}
@media (max-width:575px){
  .search-panel{padding:18px;}
  .search-bar{flex-direction:column;}
  .search-bar .btn-x{width:100%;}
}

/* ============ 保养节奏卡 ============ */
.rhythm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rhythm-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease);
  overflow:hidden;
}
.rhythm-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),transparent);
  opacity:.5;transition:opacity var(--ease);
}
.rhythm-card:hover{transform:translateY(-4px);border-color:var(--line-hover);}
.rhythm-card:hover::before{opacity:1;}
.rhythm-num{
  font-family:Inter,"DIN Alternate",sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;line-height:1.1;color:var(--steel);
  display:block;
}
.rhythm-unit{
  display:block;font-size:12.5px;color:var(--brand);
  letter-spacing:.04em;margin-top:4px;font-weight:500;
}
.rhythm-card h3{font-size:17px;font-weight:600;margin:16px 0 8px;}
.rhythm-card p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0;}
@media (max-width:991px){.rhythm-grid{grid-template-columns:repeat(2,1fr);gap:16px;}}
@media (max-width:575px){.rhythm-grid{grid-template-columns:1fr;}}

/* ============ FAQ 手风琴 ============ */
.faq-group{margin-bottom:40px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.faq-index{
  font-family:Inter,"DIN Alternate",sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:600;color:var(--brand);
  border:1px solid var(--line-hover);border-radius:8px;
  padding:2px 9px;line-height:1.6;
}
.faq-group-head h3{font-size:19px;font-weight:600;color:var(--steel);}
.acc-x .accordion-item{
  background:transparent;border:0;
  margin-bottom:12px;border-radius:16px;
}
.acc-x .accordion-button{
  position:relative;
  background:var(--panel);
  color:var(--text);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:18px 56px 18px 24px;
  border:1px solid var(--line);
  border-radius:16px!important;
  box-shadow:none;
  transition:background .25s ease,border-color .25s ease,color .25s ease;
}
.acc-x .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--brand);opacity:0;transition:opacity .3s ease;
}
.acc-x .accordion-button::after{
  width:14px;height:14px;background-size:14px 14px;transition:transform .3s ease;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2335E0C8' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
}
.acc-x .accordion-button:not(.collapsed){
  background:var(--panel-2);
  color:var(--brand);
  border-color:var(--line-hover);
  box-shadow:none;
}
.acc-x .accordion-button:not(.collapsed)::before{opacity:1;}
.acc-x .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.acc-x .accordion-button:hover{border-color:var(--line-hover);}
.acc-x .accordion-button:focus{box-shadow:none;border-color:var(--line-hover);}
.acc-x .accordion-body{
  background:var(--panel-2);
  border:1px solid var(--line);
  border-top:0;
  border-radius:0 0 16px 16px;
  padding:18px 24px 22px;
  font-size:15px;line-height:1.9;color:var(--text-2);
  margin-top:-8px;
}
.acc-x .accordion-body b{color:var(--steel);font-weight:600;}
@media (max-width:575px){
  .acc-x .accordion-button{font-size:15px;padding:16px 48px 16px 18px;}
  .acc-x .accordion-body{padding:16px 18px 18px;font-size:14.5px;}
}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card-x{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;
}
.card-x:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:0 24px 48px -22px rgba(0,0,0,.9),inset 0 0 0 1px rgba(53,224,200,.12);}
.thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,rgba(53,224,200,.09),rgba(18,29,48,.95));
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card-x:hover .thumb img{transform:scale(1.04);}
.thumb-badge{
  position:absolute;left:14px;top:14px;
  padding:4px 10px;border-radius:8px;
  background:rgba(0,0,0,.55);
  color:#fff;font-size:12px;letter-spacing:.04em;
  backdrop-filter:blur(6px);
}
.card-body-x{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body-x h3{font-size:17.5px;font-weight:600;line-height:1.5;}
.card-body-x p{font-size:14px;line-height:1.85;color:var(--text-2);margin:0;}
.card-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;}
.card-foot .meta{font-size:12.5px;color:var(--text-3);font-family:Inter,sans-serif;font-variant-numeric:tabular-nums;}
@media (max-width:991px){.scene-grid{grid-template-columns:1fr 1fr;gap:16px;}}
@media (max-width:767px){.scene-grid{grid-template-columns:1fr;}}

/* ============ 联系面板 ============ */
.contact-panel{
  position:relative;overflow:hidden;
  border-radius:24px;
  border:1px solid var(--glass-line);
  background:var(--glass);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:44px;
}
.contact-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.22;
}
.contact-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(7,11,20,.92),rgba(7,11,20,.72));
}
.contact-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;}
.contact-copy h2{
  font-size:clamp(23px,3vw,32px);line-height:1.3;font-weight:700;margin-bottom:14px;
}
.contact-copy p{color:var(--text-2);font-size:15px;line-height:1.85;max-width:440px;}
.contact-lines{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.contact-line{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--text-2);}
.contact-line .ico{
  width:34px;height:34px;border-radius:10px;flex:none;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:14px;font-weight:700;
}
.contact-line b{color:var(--text);font-weight:600;font-family:Inter,sans-serif;font-variant-numeric:tabular-nums;}
.form-card{
  background:rgba(10,17,29,.72);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-float);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:13px;color:var(--text-3);}
.field input,.field select,.field textarea{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:11px 14px;
  font-size:14.5px;color:var(--text);
  outline:none;width:100%;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--line-hover);
  background:rgba(53,224,200,.06);
  box-shadow:0 0 0 4px rgba(53,224,200,.1);
}
.field textarea{resize:vertical;min-height:88px;line-height:1.75;}
.form-card .btn-x{width:100%;margin-top:6px;}
.form-note{margin-top:12px;font-size:13px;color:var(--brand);min-height:20px;}
.form-tip{font-size:12.5px;color:var(--text-3);margin-top:10px;line-height:1.7;}
@media (max-width:991px){
  .contact-panel{padding:26px;}
  .contact-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:575px){
  .form-row{grid-template-columns:1fr;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-3);max-width:320px;margin:0;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--text-3);}
.footer-col li a:hover{color:var(--brand);}
.footer-col p{font-size:13.5px;color:var(--text-3);margin:0 0 10px;line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.fb-links a{color:var(--text-3);}
.fb-links a:hover{color:var(--brand);}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:575px){
  .site-footer{padding:44px 0 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease-out,transform .6s ease-out;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important;}
}