/* roulang page: index */
:root{
  --bg:#05070F;
  --bg-2:#0A0F1E;
  --panel:#101731;
  --panel-2:#0D1428;
  --line:rgba(150,175,255,.14);
  --line-2:rgba(150,175,255,.28);
  --main:#FF3F6C;
  --main-2:#FF6B8C;
  --aux:#34E2C8;
  --gold:#EFC27B;
  --ink:#EAF0FF;
  --ink-2:#A7B3D1;
  --ink-3:#6C7899;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 18px 45px -20px rgba(4,8,20,.85);
  --glow:0 0 0 1px rgba(255,63,108,.35),0 8px 28px -6px rgba(255,63,108,.45);
  --glass:linear-gradient(180deg,rgba(18,26,50,.72),rgba(10,15,30,.62));
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-title:'Noto Serif SC','Source Han Serif SC','Songti SC','STSong',serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --font-num:'DIN Alternate','Roboto Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(1200px 700px at 78% -12%,rgba(255,63,108,.12),transparent 62%),
    radial-gradient(900px 620px at 6% 6%,rgba(52,226,200,.07),transparent 64%),
    linear-gradient(180deg,#05070F 0%,#080C18 46%,#05070F 100%);
}
body::after{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(150,175,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(150,175,255,.045) 1px,transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 76%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 76%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--aux);outline-offset:2px;border-radius:6px;}
.site{position:relative;z-index:1;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1280px){.container{padding:0 32px;}}
@media(min-width:1536px){.container{max-width:1280px;}}
.serif{font-family:var(--font-title);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease),filter .28s var(--ease),opacity .28s var(--ease);
}
.btn i{font-size:14px;}
.btn--primary{background:linear-gradient(135deg,#FF3F6C,#FF6B8C);color:#fff;box-shadow:var(--glow);}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,63,108,.5),0 14px 36px -8px rgba(255,63,108,.62);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{border-color:var(--line-2);color:var(--ink);background:rgba(255,255,255,.02);}
.btn--ghost:hover{border-color:rgba(255,63,108,.5);color:#fff;background:rgba(255,63,108,.08);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(1px);}
.btn--sm{height:40px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn:disabled,.btn.is-loading{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.btn.is-loading{opacity:.82;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:16px;
  height:76px;padding:0 16px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,26,50,.84),rgba(10,15,30,.72));
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow);
}
.nav-card::before{
  content:"";position:absolute;left:20px;right:20px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,63,108,.55),rgba(52,226,200,.32),transparent);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(255,63,108,.24),rgba(255,63,108,.05));
  border:1px solid rgba(255,63,108,.45);
  color:var(--main);font-size:13px;
  box-shadow:0 0 18px -6px rgba(255,63,108,.7);
}
.brand__name{font-family:var(--font-title);font-size:19px;font-weight:700;letter-spacing:.02em;color:#fff;}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  display:flex;align-items:center;gap:9px;
  padding:7px 12px 7px 8px;border-radius:var(--r-sm);
  font-size:13.5px;color:var(--ink-2);
  border:1px solid transparent;
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease),color .28s var(--ease);
}
.nav-item__ico{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
  transition:color .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.nav-item:hover{transform:translateY(-2px);color:var(--ink);border-color:rgba(255,63,108,.4);background:rgba(255,63,108,.06);}
.nav-item:hover .nav-item__ico{color:var(--main);border-color:rgba(255,63,108,.4);background:rgba(255,63,108,.1);}
.nav-item.active{color:#fff;border-color:rgba(255,63,108,.45);background:rgba(255,63,108,.09);}
.nav-item.active .nav-item__ico{color:var(--main);border-color:rgba(255,63,108,.5);background:rgba(255,63,108,.14);box-shadow:0 0 14px -4px rgba(255,63,108,.8);}
.nav-actions{display:none;align-items:center;gap:10px;}
.nav-toggle{
  margin-left:auto;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--ink);cursor:pointer;
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.nav-toggle:hover{border-color:rgba(255,63,108,.45);background:rgba(255,63,108,.08);}
.mobile-panel{
  display:none;margin-top:10px;padding:14px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(18,26,50,.94),rgba(10,15,30,.9));
  backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.mobile-panel.is-open{display:block;}
.mobile-panel .nav-item{margin-bottom:6px;}
.mobile-panel .btn{width:100%;margin-top:8px;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .nav-actions{display:flex;}
  .nav-toggle{display:none;}
  .mobile-panel{display:none !important;}
}

/* ---------- Hero ---------- */
.hero{padding:44px 0 60px;}
.hero__grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:1024px){
  .hero__grid{grid-template-columns:7fr 5fr;gap:52px;min-height:74vh;}
  .hero{padding:64px 0 84px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.04em;color:var(--gold);
  border:1px solid rgba(239,194,123,.32);
  background:rgba(239,194,123,.07);
}
.eyebrow i{font-size:9px;}
.hero__title{
  font-family:var(--font-title);
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.15;font-weight:700;letter-spacing:.01em;
  margin:22px 0 18px;color:#fff;
}
.hero__title em{font-style:normal;color:var(--main);text-shadow:0 0 26px rgba(255,63,108,.5);}
.hero__sub{max-width:560px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.trust{display:flex;flex-wrap:wrap;align-items:center;margin-top:32px;}
.trust__item{padding:0 18px;border-left:1px solid var(--line);line-height:1.4;}
.trust__item:first-child{padding-left:0;border-left:0;}
.trust__item strong{display:block;font-family:var(--font-num);font-size:17px;color:#fff;}
.trust__item span{font-size:12.5px;color:var(--ink-3);}
.hero__visual{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--line-2);aspect-ratio:16/11;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.9);
}
.hero__visual img{width:100%;height:100%;object-fit:cover;}
.hero__visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.04) 0%,rgba(5,7,15,.55) 68%,rgba(5,7,15,.92) 100%);
}
.hero__visual::before{
  content:"";position:absolute;inset:0;z-index:2;border-radius:24px;
  box-shadow:inset 0 0 0 1px rgba(150,175,255,.18);
}
.float-card{
  position:absolute;z-index:3;display:flex;align-items:center;gap:11px;
  padding:12px 15px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow);
}
.float-card__ico{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,63,108,.12);border:1px solid rgba(255,63,108,.35);color:var(--main);font-size:14px;
}
.float-card strong{display:block;font-family:var(--font-num);font-size:17px;color:#fff;line-height:1.2;}
.float-card em{font-style:normal;font-size:11.5px;color:var(--ink-3);}
.float-card--a{left:16px;bottom:22px;}
.float-card--b{right:16px;top:22px;}
@media(max-width:640px){
  .float-card--b{top:12px;right:12px;}
  .float-card--a{left:12px;bottom:12px;}
}

/* ---------- 板块标题 ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1024px){.section{padding:100px 0;}}
.sec-head{margin-bottom:38px;}
.sec-head__title{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-title);font-weight:700;
  font-size:clamp(24px,3vw,36px);line-height:1.25;color:#fff;
}
.sec-head__title::before{
  content:"";width:3px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--main),rgba(255,63,108,.2));
  box-shadow:0 0 12px rgba(255,63,108,.65);flex-shrink:0;
}
.sec-head__desc{color:var(--ink-2);font-size:15px;line-height:1.85;max-width:680px;margin-top:14px;}
.sec-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;}

/* ---------- 指标看板 ---------- */
.metric-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(18,26,50,.6),rgba(10,15,30,.5));
  overflow:hidden;
}
.metric{padding:24px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.metric:nth-child(2n){border-right:none;}
.metric:last-child{grid-column:span 2;border-right:none;border-bottom:none;}
.metric:nth-child(3){border-bottom:none;}
.metric__num{
  font-family:var(--font-num);font-weight:700;
  font-size:clamp(32px,5vw,52px);line-height:1;
  color:#fff;text-shadow:0 0 26px rgba(255,63,108,.35);
}
.metric__num small{font-size:.45em;font-weight:500;color:var(--ink-2);margin-left:4px;font-family:var(--font-body);}
.metric__name{margin-top:12px;font-size:13.5px;color:var(--ink-2);}
.metric__foot{
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--ink-3);
}
.tag-up{display:inline-flex;align-items:center;gap:4px;color:var(--aux);font-size:12px;font-family:var(--font-num);}
.tag-flat{display:inline-flex;align-items:center;gap:4px;color:var(--ink-3);font-size:12px;font-family:var(--font-num);}
@media(min-width:1024px){
  .metric-grid{grid-template-columns:repeat(4,1fr);}
  .metric{border-bottom:none;border-right:1px solid var(--line);}
  .metric:nth-child(2n){border-right:1px solid var(--line);}
  .metric:nth-child(3){border-bottom:none;}
  .metric:last-child{grid-column:auto;border-right:none;border-bottom:none;}
}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:768px){.bento{grid-template-columns:repeat(12,1fr);}}
.bento__item{
  position:relative;border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,23,49,.92),rgba(10,15,30,.86));
  padding:26px;overflow:hidden;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.bento__item::after{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(150,175,255,.28),transparent);
  transition:background .32s var(--ease);
}
.bento__item:hover{transform:translateY(-4px);border-color:rgba(255,63,108,.32);box-shadow:0 24px 50px -26px rgba(255,63,108,.45);}
.bento__item:hover::after{background:linear-gradient(90deg,transparent,rgba(255,63,108,.75),transparent);}
.bento__ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  border:1px solid rgba(255,63,108,.35);background:rgba(255,63,108,.09);
  color:var(--main);font-size:16px;margin-bottom:18px;
}
.bento__title{font-family:var(--font-title);font-size:20px;font-weight:700;color:#fff;line-height:1.4;}
.bento__text{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.bento__more{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:13.5px;color:var(--main);
  transition:gap .28s var(--ease),color .28s var(--ease);
}
.bento__item:hover .bento__more{gap:11px;}
.bento__hero{grid-column:span 1;}
.bento__hero-inner{display:grid;grid-template-columns:1fr;gap:22px;align-items:center;}
.bento__hero-img{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;}
.bento__hero-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.bento__item:hover .bento__hero-img img{transform:scale(1.03);}
.bento__list{display:grid;gap:9px;margin-top:16px;}
.bento__list li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--ink-2);}
.bento__list i{color:var(--aux);font-size:11px;margin-top:7px;}
.bento__stats{display:flex;flex-wrap:wrap;gap:22px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.bento__stats div strong{display:block;font-family:var(--font-num);font-size:22px;color:#fff;line-height:1.2;}
.bento__stats div span{font-size:12px;color:var(--ink-3);}
.bento__bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.bento__bar .bento__ico{margin-bottom:0;}
.bento__bar .bento__bar-text{flex:1 1 220px;}
.bento__bar .bento__title{font-size:18px;}
.bento__bar .bento__text{margin-top:6px;font-size:13.5px;}
@media(min-width:768px){
  .bento__hero{grid-column:span 8;grid-row:span 2;}
  .bento__hero-inner{grid-template-columns:1.05fr .95fr;}
  .bento__mid{grid-column:span 4;}
  .bento__wide{grid-column:span 6;}
}
@media(max-width:767px){
  .bento>*{grid-column:span 1 !important;grid-row:auto !important;}
}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:1024px){.compare{grid-template-columns:1fr 1fr;gap:24px;}}
.compare__card{
  border-radius:var(--r-lg);padding:28px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,20,42,.9),rgba(10,15,30,.82));
}
.compare__card--hi{
  border-color:rgba(255,63,108,.42);
  background:linear-gradient(180deg,rgba(38,17,34,.75),rgba(12,15,32,.9));
  box-shadow:0 0 0 1px rgba(255,63,108,.14),0 22px 52px -30px rgba(255,63,108,.6);
}
.compare__label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--ink-2);
}
.compare__card--hi .compare__label{border-color:rgba(255,63,108,.5);color:var(--main);background:rgba(255,63,108,.08);}
.compare__title{font-family:var(--font-title);font-size:22px;font-weight:700;color:#fff;margin-top:16px;}
.compare__text{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.compare__list{margin-top:20px;display:grid;gap:11px;}
.compare__list li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.compare__list i{font-size:11px;margin-top:7px;color:var(--ink-3);}
.compare__card--hi .compare__list i{color:var(--aux);}
.bars{margin-top:34px;display:grid;gap:20px;}
.bar__head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-2);}
.bar__head .num{color:#fff;font-size:14px;}
.bar__track{position:relative;height:8px;border-radius:999px;background:rgba(150,175,255,.1);margin-top:10px;overflow:hidden;}
.bar__fill{height:100%;border-radius:999px;background:linear-gradient(90deg,rgba(255,63,108,.5),#FF3F6C);box-shadow:0 0 16px rgba(255,63,108,.55);}
.bar__fill--muted{background:linear-gradient(90deg,rgba(150,175,255,.22),rgba(150,175,255,.36));box-shadow:none;}
.bar__note{margin-top:22px;font-size:12.5px;color:var(--ink-3);}

/* ---------- 最新动态 ---------- */
.news-tabs{display:flex;flex-wrap:wrap;gap:8px;}
.news-tab{
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--ink-2);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:border-color .28s var(--ease),color .28s var(--ease),background .28s var(--ease);
}
.news-tab:hover{border-color:rgba(255,63,108,.45);color:#fff;background:rgba(255,63,108,.08);}
.news-tab.is-on{border-color:rgba(255,63,108,.55);color:#fff;background:rgba(255,63,108,.12);}
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
@media(min-width:1280px){.news-grid{grid-template-columns:repeat(4,1fr);}}
.news-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,23,49,.9),rgba(10,15,30,.84));
  overflow:hidden;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,63,108,.34);box-shadow:0 24px 50px -28px rgba(255,63,108,.5);}
.news-card__media{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__body{padding:18px;display:flex;flex-direction:column;flex:1;}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.news-card__cat{
  display:inline-flex;align-items:center;
  padding:3px 9px;border-radius:4px;font-size:11.5px;
  background:rgba(255,63,108,.14);border:1px solid rgba(255,63,108,.4);color:#FF7E9C;
}
.news-card__time{font-family:var(--font-num);font-size:11.5px;color:var(--ink-3);display:inline-flex;align-items:center;gap:5px;}
.news-card__title{
  font-family:var(--font-title);font-size:17px;font-weight:700;line-height:1.5;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em;
}
.news-card__excerpt{
  margin-top:10px;font-size:13.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3.2em;
}
.news-card__foot{
  margin-top:16px;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:6px;font-size:13px;color:var(--main);
}
.news-card:hover .news-card__foot{gap:10px;}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:60px 24px;border-radius:var(--r-lg);
  border:1px dashed var(--line-2);background:rgba(16,23,49,.5);text-align:center;
}
.news-empty i{font-size:30px;color:var(--ink-3);}
.news-empty p{color:var(--ink-2);font-size:14.5px;}
.news-empty__link{font-size:13.5px;color:var(--main);border-bottom:1px solid rgba(255,63,108,.4);padding-bottom:2px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:1024px){.faq-wrap{grid-template-columns:4fr 7fr;gap:56px;align-items:start;}}
.faq-side__text{color:var(--ink-2);font-size:14.5px;line-height:1.85;margin-top:16px;max-width:340px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:15.5px;color:var(--ink);line-height:1.6;
  transition:color .28s var(--ease);
}
.faq-q:hover{color:var(--main);}
.faq-item.is-open .faq-q{color:var(--main);}
.faq-q__sign{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  border:1px solid var(--line-2);color:var(--ink-2);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease),background .28s var(--ease);
}
.faq-item.is-open .faq-q__sign{border-color:rgba(255,63,108,.6);color:var(--main);background:rgba(255,63,108,.1);transform:rotate(180deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s var(--ease);}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a__inner{overflow:hidden;}
.faq-a__inner p{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:720px;}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:1024px){.contact-grid{grid-template-columns:5fr 6fr;gap:48px;align-items:start;}}
.value-list{display:grid;gap:14px;margin-top:24px;}
.value-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);}
.value-list i{color:var(--aux);font-size:12px;margin-top:7px;}
.contact-block{
  margin-top:30px;padding:22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(16,23,49,.6);
  display:grid;gap:14px;
}
.contact-block__row{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-2);}
.contact-block__row i{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:13px;color:var(--main);border:1px solid rgba(255,63,108,.32);background:rgba(255,63,108,.08);}
.contact-block__row strong{color:#fff;font-weight:500;font-family:var(--font-num);}
.form-card{
  position:relative;border-radius:var(--r-lg);padding:28px;
  border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow);
}
.form-card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,63,108,.6),transparent);
}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr;}.form-grid .field--full{grid-column:1/-1;}}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;}
.field label span{color:var(--main);}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(6,10,23,.85);border:1px solid var(--line-2);color:#fff;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.field textarea{height:auto;min-height:118px;padding:13px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#A7B3D1 50%),linear-gradient(135deg,#A7B3D1 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:#5A6584;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--main);
  box-shadow:0 0 0 4px rgba(255,63,108,.16);
  background:rgba(10,15,30,.95);
}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-3);line-height:1.7;}
.check input{width:17px;height:17px;margin-top:3px;accent-color:#FF3F6C;flex-shrink:0;}
.form-tip{
  margin-top:14px;font-size:13.5px;color:var(--aux);
  opacity:0;transform:translateY(-4px);transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.form-tip.is-show{opacity:1;transform:translateY(0);}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(255,63,108,.32);
  background:linear-gradient(120deg,rgba(48,14,32,.85),rgba(12,18,40,.92) 62%);
  padding:44px 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,63,108,.3),transparent 68%);
}
.cta-band__title{font-family:var(--font-title);font-size:clamp(22px,2.7vw,32px);font-weight:700;color:#fff;line-height:1.35;}
.cta-band__text{margin-top:10px;color:var(--ink-2);font-size:14.5px;max-width:620px;line-height:1.8;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:60px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,12,24,.6),rgba(5,7,15,.95));
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand__mark{width:32px;height:32px;font-size:12px;}
.footer-brand span{font-family:var(--font-title);font-size:18px;font-weight:700;color:#fff;}
.footer-desc{font-size:13.5px;color:var(--ink-3);line-height:1.8;max-width:300px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;
  transition:border-color .28s var(--ease),color .28s var(--ease),background .28s var(--ease),transform .28s var(--ease);
}
.footer-social a:hover{border-color:rgba(255,63,108,.5);color:var(--main);background:rgba(255,63,108,.08);transform:translateY(-2px);}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;font-family:var(--font-title);}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:13.5px;color:#A7B3D1;transition:color .28s var(--ease);}
.footer-col a:hover{color:var(--main);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:13.5px;color:var(--ink-3);line-height:1.8;}
.footer-col p strong{color:var(--ink-2);font-weight:500;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 14px;
  font-size:13px;color:var(--ink-3);text-align:center;
}
.footer-bottom a{color:var(--ink-3);}
.footer-bottom a:hover{color:var(--main);}
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  border:1px solid var(--line-2);background:rgba(16,23,49,.9);color:var(--ink-2);
  backdrop-filter:blur(10px);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:rgba(255,63,108,.5);color:var(--main);}
@media(max-width:640px){
  .nav-card{height:68px;padding:0 12px;}
  .brand__name{font-size:17px;}
  .hero{padding:32px 0 48px;}
  .cta-band{padding:32px 22px;}
  .form-card{padding:22px;}
}

/* roulang page: article */
:root {
    --bg: #05070F;
    --bg-soft: #0A0F1E;
    --panel: #101731;
    --panel-2: #0C122A;
    --line: rgba(150, 175, 255, .14);
    --line-strong: rgba(150, 175, 255, .3);
    --primary: #FF3F6C;
    --primary-dim: rgba(255, 63, 108, .12);
    --accent: #34E2C8;
    --gold: #EFC27B;
    --text: #EAF0FF;
    --text-2: #A7B3D1;
    --text-3: #6C7899;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 12px;
    --shadow: 0 18px 45px -20px rgba(4, 8, 20, .85);
    --glow: 0 0 0 1px rgba(255, 63, 108, .35), 0 8px 28px -6px rgba(255, 63, 108, .45);
    --container: 1200px;
    --ease: cubic-bezier(.2, .7, .3, 1);
    --serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
    --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
    --mono: 'DIN Alternate', 'Roboto Mono', ui-monospace, monospace;
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
      radial-gradient(1100px 640px at 12% -10%, rgba(255, 63, 108, .16), transparent 62%),
      radial-gradient(900px 600px at 92% 4%, rgba(52, 226, 200, .10), transparent 60%),
      linear-gradient(180deg, #05070F 0%, #080D1C 42%, #05070F 100%);
  }

  body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: .05;
    background-image:
      linear-gradient(rgba(167, 179, 209, .55) 1px, transparent 1px),
      linear-gradient(90deg, rgba(167, 179, 209, .55) 1px, transparent 1px);
    background-size: 24px 24px;
  }

  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
  button, input, select, textarea { font: inherit; color: inherit; }
  h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: .01em; }
  p { margin: 0; }

  ::selection { background: rgba(255, 63, 108, .35); color: #fff; }

  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 6px;
  }

  .container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
  }

  /* ===== 顶部阅读进度 ===== */
  .read-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    z-index: 120;
    background: linear-gradient(90deg, var(--primary), #FF8FA9 55%, var(--gold));
    box-shadow: 0 0 14px rgba(255, 63, 108, .6);
    transition: width .12s linear;
  }

  /* ===== 导航 ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 24px 8px;
  }

  .nav-card {
    max-width: var(--container);
    margin: 0 auto;
    min-height: 76px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(18, 26, 50, .78), rgba(10, 15, 30, .68));
    backdrop-filter: blur(14px) saturate(130%);
    -webkit-backdrop-filter: blur(14px) saturate(130%);
    box-shadow: var(--shadow);
    position: relative;
  }

  .nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 14%;
    right: 14%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .34), transparent);
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .brand__mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: linear-gradient(160deg, rgba(255, 63, 108, .9), rgba(255, 63, 108, .45));
    border: 1px solid rgba(255, 255, 255, .22);
    color: #fff;
    font-size: 15px;
    box-shadow: 0 8px 22px -10px rgba(255, 63, 108, .9);
  }

  .brand__name {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--text);
    white-space: nowrap;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px 6px 6px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    color: var(--text-2);
    font-size: 13.5px;
    transition: transform .28s var(--ease), border-color .28s var(--ease), color .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease);
  }

  .nav-item__ico {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .04);
    font-size: 14px;
    color: var(--text-2);
    transition: color .28s var(--ease), border-color .28s var(--ease);
  }

  .nav-item:hover {
    transform: translateY(-2px);
    color: var(--text);
    border-color: rgba(255, 63, 108, .45);
    box-shadow: 0 0 0 1px rgba(255, 63, 108, .25), 0 10px 26px -14px rgba(255, 63, 108, .8);
  }

  .nav-item:hover .nav-item__ico { color: var(--primary); border-color: rgba(255, 63, 108, .4); }

  .nav-item.active {
    color: var(--text);
    background: rgba(255, 63, 108, .1);
    border-color: rgba(255, 63, 108, .38);
  }

  .nav-item.active .nav-item__ico { color: var(--primary); border-color: rgba(255, 63, 108, .42); }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .04);
    color: var(--text);
    font-size: 16px;
    cursor: pointer;
    transition: border-color .25s var(--ease), color .25s var(--ease);
  }

  .nav-toggle:hover { border-color: rgba(255, 63, 108, .45); color: var(--primary); }

  /* ===== 按钮 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .25s var(--ease), box-shadow .28s var(--ease), filter .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  }

  .btn--sm { height: 40px; padding: 0 16px; font-size: 13.5px; }

  .btn--primary {
    background: linear-gradient(150deg, #FF5C82, #FF3F6C 55%, #E42A57);
    color: #fff;
    box-shadow: var(--glow);
  }

  .btn--primary:hover { filter: brightness(1.08); box-shadow: 0 0 0 1px rgba(255, 63, 108, .5), 0 14px 38px -8px rgba(255, 63, 108, .7); }
  .btn--primary:active { transform: translateY(1px); }

  .btn--ghost {
    background: rgba(255, 255, 255, .03);
    border-color: var(--line-strong);
    color: var(--text);
  }

  .btn--ghost:hover { border-color: rgba(255, 63, 108, .5); color: #fff; box-shadow: 0 10px 26px -16px rgba(255, 63, 108, .9); }
  .btn--ghost:active { transform: translateY(1px); }

  .btn[disabled], .btn.is-loading { opacity: .45; pointer-events: none; box-shadow: none; }

  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-2);
    font-size: 13.5px;
    transition: color .25s var(--ease), text-decoration-color .25s var(--ease);
  }

  .link-arrow:hover { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

  /* ===== 面包屑 ===== */
  .crumbs-wrap { padding: 26px 0 10px; }

  .crumbs {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    font-size: 13px;
    color: var(--text-3);
  }

  .crumbs li { display: flex; align-items: center; gap: 8px; }
  .crumbs li + li::before { content: '/'; color: rgba(108, 120, 153, .6); }
  .crumbs a { color: var(--text-2); transition: color .25s var(--ease); }
  .crumbs a:hover { color: var(--primary); }
  .crumbs [aria-current="page"] { color: var(--text); max-width: 46ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  /* ===== 文章头部 ===== */
  .article-head { padding: 14px 0 34px; }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(239, 194, 123, .42);
    background: rgba(239, 194, 123, .08);
    color: var(--gold);
    font-size: 12.5px;
    letter-spacing: .06em;
    margin-bottom: 20px;
  }

  .eyebrow i { font-size: 10px; }

  .article-title {
    font-family: var(--serif);
    font-size: clamp(26px, 3.4vw, 40px);
    line-height: 1.28;
    font-weight: 700;
    color: var(--text);
    max-width: 900px;
  }

  .article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--text-3);
  }

  .article-meta span { display: inline-flex; align-items: center; gap: 7px; }
  .article-meta .sep { color: rgba(108, 120, 153, .5); }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 26px;
    padding: 0 11px;
    border-radius: 7px;
    border: 1px solid rgba(255, 63, 108, .42);
    background: rgba(255, 63, 108, .12);
    color: #FFB4C6;
    font-size: 12.5px;
    font-family: var(--sans);
  }

  .article-cover {
    margin-top: 30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    position: relative;
    box-shadow: var(--shadow);
  }

  .article-cover img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; }
  .article-cover::after {
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 46%;
    background: linear-gradient(180deg, transparent, rgba(5, 7, 15, .82));
  }

  /* ===== 正文布局 ===== */
  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
    padding-bottom: 20px;
  }

  .article-main { min-width: 0; }

  .article-body {
    max-width: 800px;
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-2);
    overflow-wrap: break-word;
  }

  .article-body > p { margin: 0 0 1.2em; }

  .article-body > p:first-of-type {
    border-left: 3px solid var(--primary);
    padding-left: 18px;
    color: #C8D3EE;
  }

  .article-body h2 {
    font-family: var(--serif);
    font-size: clamp(18px, 2.2vw, 22px);
    line-height: 1.45;
    color: var(--text);
    margin: 46px 0 18px;
    padding-left: 14px;
    border-left: 3px solid var(--primary);
  }

  .article-body h3 {
    font-size: 17px;
    line-height: 1.5;
    color: #D7E0F7;
    margin: 30px 0 12px;
  }

  .article-body h4 { font-size: 16px; color: #C8D3EE; margin: 22px 0 10px; }

  .article-body strong { color: #F2F6FF; font-weight: 600; }

  .article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
  .article-body a:hover { color: #7DF3E1; }

  .article-body ul,
  .article-body ol {
    list-style: none;
    padding-left: 0;
    margin: 16px 0 22px;
  }

  .article-body ul li {
    position: relative;
    padding-left: 22px;
    margin: 10px 0;
    line-height: 1.8;
  }

  .article-body ul li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: .74em;
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--primary);
    transform: rotate(45deg);
  }

  .article-body ol { counter-reset: artli; }

  .article-body ol li {
    position: relative;
    counter-increment: artli;
    padding-left: 32px;
    margin: 12px 0;
    line-height: 1.8;
  }

  .article-body ol li::before {
    content: counter(artli);
    position: absolute;
    left: 0;
    top: .3em;
    width: 21px;
    height: 21px;
    display: grid;
    place-items: center;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--accent);
    border: 1px solid rgba(52, 226, 200, .42);
    border-radius: 6px;
    background: rgba(52, 226, 200, .06);
  }

  .article-body blockquote {
    margin: 26px 0;
    padding: 18px 22px;
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: linear-gradient(180deg, rgba(18, 26, 50, .68), rgba(10, 15, 30, .56));
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: #C8D3EE;
  }

  .article-body blockquote p { margin: 0; }

  .article-body img {
    border-radius: 16px;
    border: 1px solid var(--line);
    margin: 26px 0 10px;
    width: 100%;
    height: auto;
  }

  .article-body figure { margin: 26px 0; }
  .article-body figcaption {
    text-align: center;
    font-size: 13px;
    color: var(--text-3);
    margin-top: 8px;
  }

  .article-body table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
    margin: 26px 0;
    font-size: 15px;
  }

  .article-body table th,
  .article-body table td {
    border: 1px solid var(--line);
    padding: 11px 14px;
    text-align: left;
    white-space: nowrap;
  }

  .article-body table th {
    background: rgba(167, 179, 209, .1);
    color: var(--text);
    font-weight: 600;
  }

  .article-body table tr:hover td { background: rgba(255, 255, 255, .03); }

  .article-body pre {
    margin: 24px 0;
    padding: 18px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: #070B18;
    overflow-x: auto;
    font-family: var(--mono);
    font-size: 14px;
    line-height: 1.7;
    color: #C8D3EE;
  }

  .article-body code {
    font-family: var(--mono);
    font-size: .92em;
    padding: 2px 7px;
    border-radius: 6px;
    background: rgba(167, 179, 209, .12);
    border: 1px solid var(--line);
    color: #FFD9E2;
  }

  .article-body pre code { padding: 0; background: none; border: 0; color: inherit; }

  .article-body hr {
    border: 0;
    height: 1px;
    margin: 36px 0;
    background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  }

  /* ===== 空态 ===== */
  .article-empty {
    max-width: 800px;
    padding: 56px 32px;
    text-align: center;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(18, 26, 50, .6), rgba(10, 15, 30, .5));
  }

  .article-empty i { font-size: 30px; color: var(--text-3); }
  .article-empty h2 { font-family: var(--serif); font-size: 21px; color: var(--text); margin: 16px 0 8px; }
  .article-empty p { font-size: 14.5px; color: var(--text-2); margin-bottom: 22px; }

  /* ===== 侧栏 ===== */
  .article-side { display: none; }

  @media (min-width: 1024px) {
    .article-layout { grid-template-columns: minmax(0, 1fr) 306px; }
    .article-side { display: block; }
  }

  .side-sticky {
    position: sticky;
    top: 108px;
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .side-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--panel-2);
    padding: 20px;
    box-shadow: var(--shadow);
  }

  .side-card__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: .08em;
    color: var(--text-3);
    margin-bottom: 14px;
  }

  .side-card__title::before {
    content: '';
    width: 3px;
    height: 13px;
    border-radius: 2px;
    background: var(--primary);
    display: inline-block;
  }

  .toc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }

  .toc-list a {
    display: block;
    padding: 7px 10px;
    border-radius: 9px;
    font-size: 13.5px;
    color: var(--text-2);
    border-left: 2px solid transparent;
    transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .toc-list a:hover { color: #fff; background: rgba(255, 63, 108, .08); border-left-color: var(--primary); }

  .mini-post {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
    transition: transform .3s var(--ease);
  }

  .mini-post:last-child { border-bottom: 0; padding-bottom: 0; }
  .mini-post:hover { transform: translateX(4px); }

  .mini-post__thumb {
    width: 62px;
    height: 44px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--line);
    flex-shrink: 0;
  }

  .mini-post__thumb img { width: 100%; height: 100%; object-fit: cover; }

  .mini-post__title {
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--text-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .mini-post:hover .mini-post__title { color: var(--text); }

  .side-cta {
    border: 1px solid rgba(255, 63, 108, .35);
    border-radius: var(--radius-md);
    padding: 22px 20px;
    background: linear-gradient(165deg, rgba(255, 63, 108, .16), rgba(16, 23, 49, .92) 62%);
    box-shadow: 0 18px 45px -24px rgba(255, 63, 108, .75);
  }

  .side-cta h3 { font-family: var(--serif); font-size: 17px; color: var(--text); margin-bottom: 8px; }
  .side-cta p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; margin-bottom: 16px; }
  .side-cta .btn { width: 100%; }

  /* ===== 文末延伸 ===== */
  .article-foot { padding: 46px 0 0; border-top: 1px solid var(--line); margin-top: 52px; }

  .tag-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
  .tag-row__label { font-size: 13px; color: var(--text-3); }
  .tag {
    display: inline-flex;
    align-items: center;
    height: 30px;
    padding: 0 13px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .03);
    font-size: 13px;
    color: var(--text-2);
    transition: color .25s var(--ease), border-color .25s var(--ease);
  }

  .tag:hover { color: var(--primary); border-color: rgba(255, 63, 108, .45); }

  .postnav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 30px;
  }

  .postnav a {
    display: block;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--panel-2);
    transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  }

  .postnav a:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 63, 108, .45);
    box-shadow: 0 18px 40px -22px rgba(255, 63, 108, .85);
  }

  .postnav__label { font-size: 12.5px; color: var(--text-3); display: flex; align-items: center; gap: 7px; }
  .postnav__title { font-size: 15px; color: var(--text); margin-top: 8px; }

  .section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 24px;
  }

  .section-head h2 {
    font-family: var(--serif);
    font-size: clamp(20px, 2.4vw, 26px);
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 12px;
    line-height: 1.35;
  }

  .section-head h2::before {
    content: '';
    width: 4px;
    height: 22px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--primary), rgba(255, 63, 108, .25));
  }

  .related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 8px;
  }

  .news-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--panel-2);
    overflow: hidden;
    min-height: 300px;
    transition: transform .32s var(--ease), border-color .32s var(--ease), box-shadow .32s var(--ease);
  }

  .news-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 63, 108, .45);
    box-shadow: 0 22px 48px -24px rgba(255, 63, 108, .8);
  }

  .news-card__media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
  }

  .news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
  .news-card:hover .news-card__media img { transform: scale(1.03); }

  .news-card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }

  .news-card__title {
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-card__excerpt {
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-card__foot {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--text-3);
  }

  .back-row { margin-top: 34px; }

  /* ===== 转化条 ===== */
  .cta-band {
    margin: 84px 0 0;
    padding: 44px 40px;
    border: 1px solid rgba(255, 63, 108, .3);
    border-radius: var(--radius-lg);
    background:
      radial-gradient(620px 260px at 88% 0%, rgba(255, 63, 108, .22), transparent 62%),
      linear-gradient(160deg, rgba(18, 26, 50, .92), rgba(10, 15, 30, .9));
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
  }

  .cta-band::before {
    content: '';
    position: absolute;
    top: 0;
    left: 16%;
    right: 16%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .38), transparent);
  }

  .cta-band h2 { font-family: var(--serif); font-size: clamp(20px, 2.6vw, 28px); color: var(--text); margin-bottom: 10px; }
  .cta-band p { font-size: 14.5px; color: var(--text-2); max-width: 58ch; }
  .cta-band__actions { display: flex; flex-wrap: wrap; gap: 12px; }

  /* ===== 页脚 ===== */
  .site-footer {
    margin-top: 96px;
    border-top: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(10, 15, 30, .4), rgba(5, 7, 15, .95));
    padding: 64px 0 28px;
    position: relative;
    z-index: 1;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
  }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--serif);
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
  }

  .footer-desc { font-size: 14px; line-height: 1.8; color: var(--text-2); max-width: 34ch; }

  .footer-social { display: flex; gap: 10px; margin-top: 20px; }

  .footer-social a {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .03);
    color: var(--text-2);
    transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  }

  .footer-social a:hover { color: var(--primary); border-color: rgba(255, 63, 108, .45); transform: translateY(-2px); }

  .footer-col h4 {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: .06em;
  }

  .footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }

  .footer-col a { font-size: 14px; color: var(--text-2); transition: color .25s var(--ease); }
  .footer-col a:hover { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

  .footer-col p { font-size: 14px; color: var(--text-2); margin-bottom: 10px; }
  .footer-col strong { color: var(--text); font-weight: 500; }

  .footer-bottom {
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-3);
    text-align: center;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1023px) {
    .site-header { padding: 14px 18px 6px; }
    .nav-links, .nav-actions { display: none; }
    .nav-toggle { display: grid; place-items: center; margin-left: auto; }

    .nav-card.is-open .nav-links,
    .nav-card.is-open .nav-actions {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      width: 100%;
      gap: 8px;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid var(--line);
    }

    .nav-card.is-open { flex-wrap: wrap; }
    .nav-card.is-open .nav-item { width: 100%; }
    .nav-card.is-open .nav-actions { flex-direction: row; }

    .article-side { margin-top: 8px; }
    .side-sticky { position: static; }
  }

  @media (max-width: 767px) {
    .container { padding: 0 18px; }
    .brand__name { font-size: 16px; }
    .postnav { grid-template-columns: 1fr; }
    .cta-band { padding: 30px 22px; }
    .cta-band__actions .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .article-body { font-size: 16.5px; }
  }

  @media (max-width: 519px) {
    .footer-grid { grid-template-columns: 1fr; }
    .nav-card { padding: 10px 12px; }
    .article-empty { padding: 40px 20px; }
    .news-card { min-height: 0; }
  }

/* roulang page: category2 */
:root{
  --bg:#05070F;
  --bg-2:#0A0F1E;
  --panel:#101731;
  --panel-2:#0C1226;
  --line:rgba(150,175,255,.14);
  --line-strong:rgba(150,175,255,.28);
  --primary:#FF3F6C;
  --primary-deep:#D9234F;
  --accent:#34E2C8;
  --gold:#EFC27B;
  --text:#EAF0FF;
  --text-2:#A7B3D1;
  --text-3:#6C7899;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:12px;
  --shadow:0 18px 45px -20px rgba(4,8,20,.85);
  --glow:0 0 0 1px rgba(255,63,108,.35),0 8px 28px -6px rgba(255,63,108,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --font-mono:'DIN Alternate','Roboto Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(1100px 560px at 12% -8%, rgba(255,63,108,.10), transparent 62%),
    radial-gradient(900px 520px at 92% 2%, rgba(52,226,200,.07), transparent 60%),
    linear-gradient(180deg,#05070F 0%,#070B18 42%,#05070F 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.05;
  background-image:linear-gradient(rgba(150,175,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(150,175,255,.6) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;}
a{color:var(--text-2);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.01em;margin:0;line-height:1.25;}
h1{font-size:clamp(28px,3.8vw,44px);line-height:1.18;}
h2{font-size:clamp(23px,2.7vw,34px);}
h3{font-family:var(--font-sans);font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2;}
.section{padding:104px 0;position:relative;z-index:2;}
.section--tight{padding:80px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:14px;}
.kicker::before{content:"";width:22px;height:1px;background:var(--gold);opacity:.7;}
.section-title{position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--primary),rgba(255,63,108,.25));}
.section-sub{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.8;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:12px 24px;}
.nav-card{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
  padding:0 18px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(18,26,50,.72),rgba(10,15,30,.62));
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.nav-card::before{
  content:"";
  position:absolute;
  left:14px;right:14px;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(234,240,255,.4),transparent);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;order:1;}
.brand:hover{color:var(--text);}
.brand__mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  font-size:15px;
  color:var(--gold);
  background:linear-gradient(160deg,rgba(239,194,123,.18),rgba(255,63,108,.16));
  border:1px solid rgba(239,194,123,.4);
  box-shadow:0 0 18px -6px rgba(239,194,123,.5);
}
.brand__name{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.04em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:6px;order:2;}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 12px 7px 8px;
  border-radius:12px;
  border:1px solid transparent;
  font-size:13.5px;
  color:var(--text-2);
  font-weight:500;
  white-space:nowrap;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.nav-item__ico{
  width:30px;height:30px;
  display:grid;place-items:center;
  border-radius:9px;
  font-size:13px;
  background:rgba(150,175,255,.08);
  border:1px solid var(--line);
  color:var(--text-2);
  transition:all .24s var(--ease);
}
.nav-item:hover{transform:translateY(-2px);border-color:rgba(255,63,108,.4);color:var(--text);background:rgba(255,63,108,.06);}
.nav-item:hover .nav-item__ico{color:var(--primary);border-color:rgba(255,63,108,.45);box-shadow:0 0 16px -4px rgba(255,63,108,.5);}
.nav-item.active{color:var(--text);border-color:rgba(255,63,108,.42);background:linear-gradient(180deg,rgba(255,63,108,.14),rgba(255,63,108,.04));}
.nav-item.active .nav-item__ico{color:#fff;background:linear-gradient(150deg,var(--primary),var(--primary-deep));border-color:transparent;box-shadow:0 6px 18px -8px rgba(255,63,108,.85);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;order:3;}
.nav-toggle{
  display:none;
  order:2;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:12px;
  background:rgba(150,175,255,.08);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
  place-items:center;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(255,63,108,.45);color:var(--primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.btn--sm{height:40px;padding:0 16px;font-size:14px;}
.btn--primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  box-shadow:var(--glow);
}
.btn--primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,63,108,.5),0 14px 34px -8px rgba(255,63,108,.62);}
.btn--primary:active{transform:translateY(1px);}
.btn--primary:disabled{opacity:.45;filter:grayscale(.2);box-shadow:none;cursor:not-allowed;transform:none;}
.btn--ghost{
  background:rgba(16,23,49,.55);
  border-color:var(--line-strong);
  color:var(--text-2);
}
.btn--ghost:hover{color:var(--text);border-color:rgba(255,63,108,.5);background:rgba(255,63,108,.08);transform:translateY(-1px);}

/* ============ 分类头部 ============ */
.cat-hero{padding:56px 0 72px;position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:30px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb li[aria-current]{color:var(--text-2);}
.cat-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.08em;
  color:var(--gold);
  background:rgba(239,194,123,.08);
  border:1px solid rgba(239,194,123,.32);
  margin-bottom:20px;
}
.cat-hero h1{margin-bottom:18px;}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:620px;}
.anchor-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px;}
.anchor-tags a{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(16,23,49,.5);
  transition:all .22s var(--ease);
}
.anchor-tags a:hover{border-color:rgba(255,63,108,.5);color:var(--text);transform:translateY(-2px);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cat-hero__visual{position:relative;}
.cat-hero__visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cat-hero__visual::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:46%;
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
  background:linear-gradient(180deg,transparent,rgba(5,7,15,.86));
  pointer-events:none;
}
.float-card{
  position:absolute;
  left:-18px;bottom:26px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(18,26,50,.86),rgba(10,15,30,.78));
  backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.float-card strong{font-family:var(--font-mono);font-size:26px;color:var(--accent);line-height:1;}
.float-card span{font-size:13px;color:var(--text-2);}

/* ============ 保障要点 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.fcard{
  padding:26px 24px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.fcard:hover{transform:translateY(-4px);border-color:rgba(255,63,108,.35);box-shadow:var(--shadow);}
.fcard__ico{
  width:44px;height:44px;border-radius:var(--radius-sm);
  display:grid;place-items:center;
  font-size:18px;color:var(--primary);
  background:rgba(255,63,108,.09);
  border:1px solid rgba(255,63,108,.3);
  margin-bottom:18px;
}
.fcard h3{font-size:17px;margin-bottom:10px;}
.fcard p{font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ============ 办理流程时间轴 ============ */
.timeline{position:relative;}
.timeline__list{position:relative;padding-left:0;}
.timeline__list::before{
  content:"";
  position:absolute;left:23px;top:14px;bottom:34px;width:1px;
  background:linear-gradient(180deg,rgba(255,63,108,.6),rgba(52,226,200,.28),transparent);
}
.timeline__item{position:relative;padding:0 0 34px 76px;min-height:64px;}
.timeline__item:last-child{padding-bottom:0;}
.timeline__dot{
  position:absolute;left:0;top:0;
  width:48px;height:48px;
  border-radius:var(--radius);
  display:grid;place-items:center;
  font-family:var(--font-mono);
  font-size:16px;font-weight:700;color:#fff;
  background:linear-gradient(160deg,rgba(255,63,108,.92),rgba(217,35,79,.85));
  border:1px solid rgba(255,63,108,.45);
  box-shadow:0 12px 26px -12px rgba(255,63,108,.85);
}
.timeline__item h3{font-size:18px;margin-bottom:8px;}
.timeline__item p{font-size:15px;color:var(--text-2);line-height:1.8;max-width:760px;}
.timeline__meta{display:inline-flex;align-items:center;gap:8px;margin-top:10px;font-size:13px;font-family:var(--font-mono);color:var(--text-3);}
.timeline__meta i{color:var(--accent);}

/* ============ 权益清单 ============ */
.benefit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.benefit-card{
  padding:26px 26px 24px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.benefit-card:hover{transform:translateY(-4px);border-color:rgba(52,226,200,.35);box-shadow:var(--shadow);}
.benefit-card__top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px;}
.benefit-card h3{font-size:18px;}
.stamp{
  flex:0 0 auto;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:4px 9px;border-radius:6px;
  color:#fff;
  background:linear-gradient(150deg,rgba(255,63,108,.9),rgba(217,35,79,.85));
  border:1px solid rgba(255,255,255,.16);
}
.stamp--gold{background:linear-gradient(150deg,rgba(239,194,123,.22),rgba(239,194,123,.08));color:var(--gold);border-color:rgba(239,194,123,.42);}
.benefit-card p{font-size:14.8px;line-height:1.85;color:var(--text-2);margin-bottom:16px;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag-list span{
  font-size:12.8px;color:var(--text-2);
  padding:5px 11px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(150,175,255,.06);
}
.benefit-card__foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--primary);font-weight:600;}
.benefit-card__foot i{transition:transform .24s var(--ease);}
.benefit-card:hover .benefit-card__foot i{transform:translateX(4px);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(5,7,15,.94),rgba(16,23,49,.86)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:640px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.faq-aside .section-sub{margin-bottom:26px;}
.faq-aside .mini-contact{display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(16,23,49,.6);}
.faq-aside .mini-contact span{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-2);}
.faq-aside .mini-contact i{color:var(--primary);width:16px;text-align:center;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 2px;
  font-size:17px;font-weight:600;
  color:var(--text);
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:16px;font-weight:400;
  color:var(--text-2);
  border:1px solid var(--line-strong);
  transition:all .24s var(--ease);
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::after{content:"−";color:#fff;background:linear-gradient(150deg,var(--primary),var(--primary-deep));border-color:transparent;}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{padding:0 40px 22px 2px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ============ 表单区 ============ */
.lead-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.value-list{display:flex;flex-direction:column;gap:14px;margin:22px 0 26px;}
.value-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;line-height:1.7;color:var(--text-2);}
.value-list i{color:var(--accent);margin-top:5px;font-size:14px;}
.lead-visual{margin-top:26px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.lead-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.lead-visual:hover img{transform:scale(1.03);}
.form-panel{
  position:relative;
  padding:32px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(18,26,50,.78),rgba(10,15,30,.7));
  backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.form-panel::before{
  content:"";
  position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,63,108,.8),transparent);
}
.form-panel h3{font-size:20px;margin-bottom:8px;}
.form-panel .form-hint{font-size:14px;color:var(--text-3);margin-bottom:24px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:13.5px;color:var(--text-2);}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--radius-sm);
  background:rgba(6,10,22,.72);
  border:1px solid var(--line);
  color:var(--text);
  font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(9,14,30,.9);
  box-shadow:0 0 0 4px rgba(255,63,108,.16);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7;margin:6px 0 20px;}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto;}
.checkbox-row a{color:var(--gold);}
.form-note{margin-top:14px;font-size:14px;color:var(--accent);min-height:22px;}
.form-note.is-error{color:#FF6B6B;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:2;
  margin-top:40px;
  padding:72px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,15,30,.6),rgba(5,7,15,.95));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-2);max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  font-size:14px;color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(150,175,255,.05);
  transition:all .24s var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:rgba(255,63,108,.5);transform:translateY(-2px);}
.footer-col h4{font-family:var(--font-sans);font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:11px;}
.footer-col strong{color:var(--text);font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);text-align:center;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:80px 0;}
  .section--tight{padding:64px 0;}
  .site-header{padding:10px 16px;}
  .nav-card{flex-wrap:wrap;min-height:68px;padding:12px 14px;row-gap:12px;align-items:center;}
  .brand{order:1;}
  .nav-toggle{display:grid;order:2;}
  .nav-links{order:3;flex-basis:100%;display:none;flex-direction:column;align-items:stretch;gap:8px;margin-left:0;}
  .nav-actions{order:4;flex-basis:100%;display:none;margin-left:0;gap:10px;}
  .nav-card.is-open .nav-links,.nav-card.is-open .nav-actions{display:flex;}
  .nav-item{justify-content:flex-start;padding:9px 12px 9px 9px;}
  .nav-item__ico{width:32px;height:32px;}
  .cat-hero{padding:36px 0 56px;}
  .cat-hero__grid{grid-template-columns:1fr;gap:34px;}
  .float-card{left:14px;bottom:16px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .faq-wrap,.lead-wrap{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .benefit-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;}
  .form-panel{padding:24px;}
  .timeline__item{padding-left:64px;}
  .timeline__dot{width:42px;height:42px;font-size:14px;}
  .timeline__list::before{left:20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr;}
  .nav-actions .btn{flex:1;}
  .hero-actions .btn{width:100%;}
  .brand__name{font-size:17px;}
  .cat-hero h1{font-size:26px;}
  .faq-answer{padding-right:0;}
}

/* roulang page: category1 */
:root{
  --bg:#05070F;
  --bg-2:#0A0F1E;
  --panel:#101731;
  --panel-2:#0D1428;
  --line:rgba(150,175,255,.14);
  --line-strong:rgba(150,175,255,.28);
  --primary:#FF3F6C;
  --primary-soft:rgba(255,63,108,.14);
  --mint:#34E2C8;
  --gold:#EFC27B;
  --text:#EAF0FF;
  --text-2:#A7B3D1;
  --text-3:#6C7899;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 18px 45px -20px rgba(4,8,20,.85);
  --glow:0 0 0 1px rgba(255,63,108,.35),0 8px 28px -6px rgba(255,63,108,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-mono:'DIN Alternate','Roboto Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.page{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.page::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(255,63,108,.16),transparent 62%),
    radial-gradient(820px 520px at 92% 4%,rgba(52,226,200,.10),transparent 60%),
    linear-gradient(180deg,#05070F 0%,#080D1B 42%,#05070F 100%);
  z-index:-2;
  pointer-events:none;
}
body.page::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(150,175,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(150,175,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
  z-index:-1;
  pointer-events:none;
  opacity:.7;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

.skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:var(--r-sm);z-index:200;}
.skip:focus{left:12px;top:12px;}

/* ============ 导航 ============ */
.nav-wrap{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px 20px;
  background:linear-gradient(180deg,rgba(5,7,15,.92),rgba(5,7,15,.42));
  backdrop-filter:blur(10px);
}
.nav-card{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  min-height:76px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 18px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(18,26,50,.72),rgba(10,15,30,.62));
  backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow);
}
.nav-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(234,240,255,.42),transparent);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--text);
  flex:none;
}
.brand__mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  color:var(--primary);
  border:1px solid rgba(255,63,108,.42);
  background:rgba(255,63,108,.10);
  font-size:15px;
}
.brand__name{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:6px;
  flex:1 1 auto;
}
.nav-item{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  color:var(--text-2);
  font-size:14px;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease),background .28s var(--ease);
}
.nav-item__ico{
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:8px;
  font-size:12px;
  color:var(--text-2);
  background:rgba(150,175,255,.08);
  border:1px solid var(--line);
  transition:color .28s var(--ease),border-color .28s var(--ease);
}
.nav-item:hover{
  transform:translateY(-2px);
  color:var(--text);
  border-color:rgba(255,63,108,.32);
  background:rgba(255,63,108,.08);
}
.nav-item:hover .nav-item__ico{color:var(--primary);border-color:rgba(255,63,108,.4);}
.nav-item.active{
  color:var(--text);
  border-color:rgba(255,63,108,.42);
  background:rgba(255,63,108,.12);
  box-shadow:0 0 0 1px rgba(255,63,108,.14),0 10px 24px -16px rgba(255,63,108,.8);
}
.nav-item.active .nav-item__ico{color:var(--primary);border-color:rgba(255,63,108,.45);background:rgba(255,63,108,.16);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(150,175,255,.07);
  color:var(--text);
  font-size:16px;
  cursor:pointer;
  transition:border-color .28s var(--ease),color .28s var(--ease);
}
.nav-toggle:hover{border-color:rgba(255,63,108,.45);color:var(--primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--primary{
  background:linear-gradient(180deg,#FF5B80,#E42658);
  color:#fff;
  box-shadow:var(--glow);
}
.btn--primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(255,63,108,.5),0 12px 34px -6px rgba(255,63,108,.6);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{
  background:rgba(150,175,255,.06);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn--ghost:hover{border-color:rgba(255,63,108,.5);color:#fff;background:rgba(255,63,108,.10);transform:translateY(-1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;filter:none;}
.btn.is-loading{pointer-events:none;}
.btn:focus-visible,.nav-toggle:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:8px;}

/* ============ 分类头部 ============ */
.cat-hero{
  position:relative;
  padding:40px 0 8px;
}
.cat-hero__panel{
  position:relative;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(16,23,49,.86),rgba(8,13,27,.9)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
  padding:34px 26px 30px;
  box-shadow:var(--shadow);
}
.cat-hero__panel::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:52%;
  background:linear-gradient(180deg,transparent,rgba(5,7,15,.86));
  pointer-events:none;
}
.cat-hero__inner{position:relative;z-index:2;max-width:820px;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  margin:0 0 20px;
  padding:0;
  font-size:13px;
  color:var(--text-3);
}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb a{color:var(--text-2);text-decoration:none;transition:color .24s var(--ease);}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.crumb__sep{color:var(--text-3);}
.crumb [aria-current]{color:var(--text);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(239,194,123,.36);
  background:rgba(239,194,123,.10);
  color:var(--gold);
  font-size:12px;
  letter-spacing:.06em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px rgba(239,194,123,.8);}
.cat-hero__title{
  font-family:var(--font-serif);
  font-size:clamp(28px,3.8vw,44px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:.01em;
  margin:18px 0 14px;
  color:var(--text);
}
.cat-hero__title .hl{
  color:var(--primary);
  text-shadow:0 0 26px rgba(255,63,108,.45);
}
.cat-hero__lead{
  font-size:clamp(16px,1.6vw,19px);
  color:var(--text);
  margin:0 0 16px;
  line-height:1.7;
}
.cat-hero__desc{
  font-size:15px;
  color:var(--text-2);
  margin:0 0 22px;
  line-height:1.85;
}
.anchor-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:4px;}
.anchor-tags a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(150,175,255,.06);
  color:var(--text-2);
  font-size:13px;
  text-decoration:none;
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
}
.anchor-tags a:hover{color:#fff;border-color:rgba(255,63,108,.5);background:rgba(255,63,108,.12);transform:translateY(-2px);}
.anchor-tags i{color:var(--primary);font-size:11px;}

/* ============ 指标条 ============ */
.metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin-top:26px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(18,26,50,.6),rgba(10,15,30,.55));
  backdrop-filter:blur(12px);
  overflow:hidden;
}
.metric{
  padding:22px 22px 20px;
  border-right:1px solid var(--line);
  position:relative;
}
.metric:last-child{border-right:0;}
.metric__num{
  font-family:var(--font-mono);
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.1;
  font-weight:700;
  color:var(--mint);
  text-shadow:0 0 22px rgba(52,226,200,.35);
  display:flex;
  align-items:baseline;
  gap:6px;
}
.metric__num span{font-size:14px;color:var(--text-2);font-weight:500;}
.metric__name{margin-top:8px;font-size:14px;color:var(--text);}
.metric__note{margin-top:6px;padding-top:10px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);}

/* ============ 通用板块 ============ */
.section{padding:72px 0 0;}
@media (min-width:768px){.section{padding:88px 0 0;}}
@media (min-width:1024px){.section{padding:104px 0 0;}}
.sect-head{max-width:720px;margin-bottom:34px;}
.sect-title{
  position:relative;
  font-family:var(--font-serif);
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.01em;
  margin:0 0 12px;
  padding-left:16px;
  color:var(--text);
}
.sect-title::before{
  content:"";
  position:absolute;
  left:0;top:.18em;bottom:.18em;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(255,63,108,.25));
  box-shadow:0 0 14px rgba(255,63,108,.6);
}
.sect-sub{margin:0;font-size:15px;line-height:1.85;color:var(--text-2);}
.sect-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--gold);
  margin-bottom:10px;
}
.sect-tag::before{content:"";width:8px;height:8px;transform:rotate(45deg);background:rgba(239,194,123,.75);border-radius:1px;}

/* ============ 内容矩阵 ============ */
.matrix{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:20px;
}
.m-card{
  position:relative;
  grid-column:span 2;
  display:flex;
  flex-direction:column;
  padding:24px 22px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,23,49,.92),rgba(10,15,30,.92));
  box-shadow:var(--shadow);
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
  overflow:hidden;
}
.m-card::after{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(234,240,255,.16),transparent);
  opacity:0;
  transition:opacity .32s var(--ease);
}
.m-card:hover{transform:translateY(-4px);border-color:rgba(255,63,108,.32);box-shadow:0 24px 50px -24px rgba(4,8,20,.95);}
.m-card:hover::after{opacity:1;}
.m-card--wide{grid-column:span 3;padding:0;overflow:hidden;}
.m-card--wide .m-card__body{padding:24px 22px 22px;}
.m-card__media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.m-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);display:block;}
.m-card:hover .m-card__media img{transform:scale(1.03);}
.m-card__media::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(180deg,transparent,rgba(10,15,30,.92));
}
.m-card__ico{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid rgba(255,63,108,.34);
  background:rgba(255,63,108,.10);
  color:var(--primary);
  font-size:17px;
  margin-bottom:16px;
  flex:none;
}
.m-card__title{
  font-family:var(--font-serif);
  font-size:20px;
  line-height:1.4;
  font-weight:700;
  margin:0 0 10px;
  color:var(--text);
}
.m-card__text{margin:0 0 14px;font-size:14.5px;line-height:1.8;color:var(--text-2);}
.m-card__list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:8px;}
.m-card__list li{display:flex;gap:9px;font-size:13.5px;color:var(--text-2);line-height:1.6;}
.m-card__list i{color:var(--mint);font-size:11px;margin-top:6px;flex:none;}
.m-card__more{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  font-weight:600;
  color:var(--primary);
  text-decoration:none;
}
.m-card__more i{transition:transform .28s var(--ease);font-size:11px;}
.m-card__more:hover i{transform:translateX(4px);}
.m-card__badge{
  position:absolute;
  top:16px;left:16px;
  z-index:3;
  height:24px;
  padding:0 9px;
  display:inline-flex;
  align-items:center;
  border-radius:5px;
  background:var(--primary);
  color:#fff;
  font-size:11.5px;
  letter-spacing:.06em;
  box-shadow:0 6px 18px -8px rgba(255,63,108,.9);
}

/* ============ 对比表 ============ */
.compare-shell{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(16,23,49,.86),rgba(10,15,30,.86));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.compare-scroll{overflow-x:auto;scrollbar-width:thin;}
.compare-table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px;}
.compare-table caption{text-align:left;padding:20px 22px 0;color:var(--text-3);font-size:12.5px;}
.compare-table th,.compare-table td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.compare-table thead th{
  background:rgba(255,63,108,.10);
  color:var(--text);
  font-weight:600;
  font-size:14px;
  letter-spacing:.02em;
  border-bottom:1px solid rgba(255,63,108,.28);
}
.compare-table thead th:nth-child(2){color:var(--text-2);}
.compare-table thead th:nth-child(3){color:var(--primary);}
.compare-table tbody tr:nth-child(even){background:rgba(150,175,255,.035);}
.compare-table tbody tr{transition:background .24s var(--ease);}
.compare-table tbody tr:hover{background:rgba(150,175,255,.075);}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}
.compare-table td:nth-child(2){color:var(--text-3);}
.compare-table td:nth-child(3){color:var(--text-2);}
.compare-table td:nth-child(3)::before{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 8px rgba(52,226,200,.8);
  margin-right:9px;
  vertical-align:middle;
}
.compare-foot{
  padding:16px 22px 18px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.compare-foot i{color:var(--gold);}
.tbl-fade{
  position:absolute;
  top:0;right:0;bottom:0;
  width:56px;
  background:linear-gradient(90deg,transparent,rgba(8,13,27,.96));
  pointer-events:none;
}

/* ============ 适用场景 ============ */
.fit-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr));}
.fit-card{
  padding:24px 22px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(16,23,49,.72);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.fit-card:hover{transform:translateY(-4px);border-color:rgba(52,226,200,.34);}
.fit-card__no{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--gold);
  letter-spacing:.12em;
  margin-bottom:12px;
  display:block;
}
.fit-card__title{font-size:18px;font-weight:700;font-family:var(--font-serif);margin:0 0 10px;color:var(--text);}
.fit-card__text{margin:0;font-size:14.5px;line-height:1.8;color:var(--text-2);}
.notice{
  margin-top:20px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:18px 20px;
  border-radius:var(--r-md);
  border:1px solid rgba(239,194,123,.28);
  background:rgba(239,194,123,.07);
}
.notice i{color:var(--gold);font-size:16px;margin-top:4px;flex:none;}
.notice p{margin:0;font-size:14px;line-height:1.8;color:var(--text-2);}
.notice strong{color:var(--gold);font-weight:600;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:32px;grid-template-columns:340px 1fr;}
.faq-aside{
  padding:26px 24px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,26,50,.7),rgba(10,15,30,.66));
  backdrop-filter:blur(12px);
  align-self:start;
}
.faq-aside__title{font-family:var(--font-serif);font-size:22px;font-weight:700;margin:0 0 12px;color:var(--text);}
.faq-aside__text{margin:0 0 20px;font-size:14.5px;line-height:1.8;color:var(--text-2);}
.faq-aside__row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-2);margin-bottom:10px;}
.faq-aside__row i{color:var(--primary);width:16px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  padding:18px 0;
  cursor:pointer;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  list-style:none;
  transition:color .24s var(--ease);
}
.faq-q::-webkit-details-marker{display:none;}
.faq-item[open] .faq-q{color:var(--primary);}
.faq-q:hover{color:var(--primary);}
.faq-ico{
  position:relative;
  width:24px;height:24px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  flex:none;
  margin-top:3px;
  color:var(--text-2);
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;}
.faq-ico::before{width:11px;height:1.5px;transform:translate(-50%,-50%);}
.faq-ico::after{width:1.5px;height:11px;transform:translate(-50%,-50%);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.faq-item[open] .faq-ico{color:var(--primary);border-color:rgba(255,63,108,.5);}
.faq-item[open] .faq-ico::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{padding:0 44px 20px 0;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-a p{margin:0;}

/* ============ CTA 表单 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,26,50,.78),rgba(8,13,27,.86));
  box-shadow:var(--shadow);
  overflow:hidden;
  padding:34px 26px;
}
.cta-band::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,63,108,.6),transparent);
}
.cta-grid{display:grid;gap:32px;grid-template-columns:1fr 1.05fr;align-items:start;}
.cta-title{font-family:var(--font-serif);font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700;margin:0 0 14px;color:var(--text);}
.cta-text{margin:0 0 22px;font-size:15px;line-height:1.85;color:var(--text-2);}
.value-list{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:12px;}
.value-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.value-list i{color:var(--mint);font-size:12px;margin-top:6px;flex:none;}
.contact-block{
  border-top:1px solid var(--line);
  padding-top:18px;
  display:grid;
  gap:10px;
}
.contact-row{display:flex;align-items:center;gap:11px;font-size:14px;color:var(--text-2);}
.contact-row i{color:var(--primary);width:16px;text-align:center;}
.contact-row strong{color:var(--text);font-family:var(--font-mono);letter-spacing:.02em;}
.form-card{
  position:relative;
  padding:26px 24px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,26,50,.78),rgba(10,15,30,.7));
  backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--shadow);
}
.form-card::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(234,240,255,.4),transparent);
}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr 1fr;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:var(--text-2);}
.field label .req{color:var(--primary);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(5,7,15,.72);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:15px;
  outline:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#A7B3D1 50%),linear-gradient(135deg,#A7B3D1 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(255,63,108,.65);box-shadow:0 0 0 4px rgba(255,63,108,.16);background:rgba(5,7,15,.9);}
.check-row{display:flex;align-items:flex-start;gap:10px;grid-column:1 / -1;font-size:13px;color:var(--text-2);line-height:1.7;}
.check-row input{width:18px;height:18px;flex:none;margin-top:2px;accent-color:#FF3F6C;}
.check-row a{color:var(--mint);text-decoration:none;}
.check-row a:hover{text-decoration:underline;text-underline-offset:3px;}
.form-tip{grid-column:1 / -1;font-size:13px;color:var(--text-3);min-height:20px;}
.form-tip.is-ok{color:var(--mint);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,15,30,.6),rgba(5,7,15,.95));
  padding:56px 0 26px;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1.4fr 1fr 1fr 1.1fr;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-desc{margin:0 0 18px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:320px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(150,175,255,.06);
  color:var(--text-2);
  text-decoration:none;
  transition:color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:rgba(255,63,108,.5);transform:translateY(-2px);}
.footer-col h4{margin:0 0 16px;font-size:14px;color:var(--text);letter-spacing:.04em;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col a{color:var(--text-2);font-size:14px;text-decoration:none;transition:color .24s var(--ease);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{margin:0 0 10px;font-size:14px;color:var(--text-2);}
.footer-col strong{color:var(--text);font-family:var(--font-mono);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  justify-content:center;
  align-items:center;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:12px;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(16,23,49,.96),rgba(8,13,27,.98));
    box-shadow:var(--shadow);
    display:none;
  }
  .nav-card.is-open .nav-links{display:flex;}
  .nav-actions{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
  .m-card{grid-column:span 1;}
  .m-card--wide{grid-column:span 2;}
  .faq-wrap{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-wrap{padding:10px 14px;}
  .nav-card{border-radius:16px;padding:10px 14px;min-height:68px;}
  .brand__name{font-size:16px;}
  .cat-hero__panel{padding:26px 18px 24px;border-radius:18px;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .matrix{grid-template-columns:1fr;gap:16px;}
  .m-card--wide{grid-column:span 1;}
  .fit-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 18px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:64px;}
  .section{padding:56px 0 0;}
}
@media (hover:none){
  .m-card:hover,.fit-card:hover,.nav-item:hover,.btn:hover{transform:none;}
}