/* roulang page: index */
:root{
  --brand:#6A4CFF;
  --brand-2:#19C6B7;
  --accent:#FF7A45;
  --bg:#F7F8FC;
  --dark:#12152A;
  --text:#171A2B;
  --muted:#5D6275;
  --line:rgba(23,26,43,.10);
  --grad:linear-gradient(135deg,#6A4CFF 0%,#19C6B7 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB25E 100%);
  --r-xl:36px;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 14px 40px rgba(21,24,52,.08);
  --sh-hover:0 20px 60px rgba(21,24,52,.14);
  --sec-pad:104px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow","Inter","DIN Alternate",var(--font);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(106,76,255,.28);outline-offset:2px;border-radius:8px;}

.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-pad) 0;}
.section-tight{padding:72px 0;}
.sec-head{margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad);}
.sec-head h2{font-size:clamp(1.55rem,3vw,2.4rem);}
.sec-head .sub{margin-top:14px;color:var(--muted);max-width:760px;font-size:16px;}
.sec-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.text-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--grad);transform:scaleX(.35);transform-origin:left;transition:transform .3s ease;border-radius:2px;}
.text-link:hover::after{transform:scaleX(1);}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:0 30px;border-radius:var(--r-pill);
  font-weight:700;font-size:16px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary-x{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(106,76,255,.28);}
.btn-primary-x:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(106,76,255,.36);}
.btn-ghost-x{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost-x:hover{color:var(--brand);border-color:rgba(106,76,255,.55);background:rgba(106,76,255,.05);transform:translateY(-2px);}
.btn-line-x{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-line-x:hover{color:#fff;background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-block-x{width:100%;}

/* 标签与徽章 */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;background:rgba(106,76,255,.09);color:var(--brand);
}
.chip-cyan{background:rgba(25,198,183,.12);color:#0E8E83;}
.chip-warm{background:rgba(255,122,69,.13);color:#D9531E;}
.chip-light{background:#fff;color:var(--muted);border:1px solid var(--line);}

/* 倒计时条 */
.count-bar{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.count-bar::after{content:"";position:absolute;inset:0;background:var(--grad);opacity:.22;pointer-events:none;}
.count-bar .inner{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;padding:11px 24px;max-width:1280px;margin:0 auto;
}
.count-bar .label{font-size:14px;display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.86);}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(25,198,183,.22);}
.count-bar .timer{display:flex;align-items:center;gap:8px;font-family:var(--font-num);}
.count-bar .unit{
  min-width:44px;padding:4px 10px;border-radius:10px;background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.2);text-align:center;font-size:17px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.count-bar .unit small{display:block;font-size:11px;font-weight:600;opacity:.7;letter-spacing:.08em;}
.count-bar .tip{font-size:13px;color:rgba(255,255,255,.72);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);
}
.site-header .nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:78px;max-width:1280px;margin:0 auto;padding:0 24px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);position:relative;flex:0 0 auto;
  box-shadow:0 8px 20px rgba(106,76,255,.32);
}
.brand-mark::after{content:"";position:absolute;inset:11px;border-radius:50%;border:2px solid rgba(255,255,255,.85);}
.brand span.sub{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  position:relative;font-size:16px;font-weight:600;color:var(--text);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:center;transition:transform .28s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-cta .btn-x{min-height:44px;padding:0 22px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open i:nth-child(2){opacity:0;}
.nav-toggle.open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Hero */
.hero-wrap{padding:44px 0 0;}
.hero{
  position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:620px;
  display:flex;align-items:center;padding:64px;color:#fff;
  background-image:linear-gradient(120deg,rgba(18,21,42,.92) 0%,rgba(40,28,96,.78) 42%,rgba(25,198,183,.42) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-hover);
}
.hero::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,76,255,.55),transparent 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-80px;bottom:-160px;width:360px;height:360px;border-radius:50%;
  border:1px dashed rgba(255,255,255,.24);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:100%;display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:end;}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.5rem);line-height:1.18;font-weight:800;color:#fff;
  max-width:16em;text-shadow:0 12px 36px rgba(0,0,0,.24);
}
.hero h1 em{
  font-style:normal;background:linear-gradient(120deg,#7CE7DA,#C6BBFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{margin-top:20px;max-width:640px;font-size:17px;color:rgba(255,255,255,.86);}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-meta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-meta span{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font-size:13px;color:rgba(255,255,255,.92);
}
.hero-side{
  border-radius:var(--r-lg);padding:28px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
}
.hero-side h2{font-size:19px;color:#fff;margin-bottom:8px;}
.hero-side p{font-size:14px;color:rgba(255,255,255,.78);}
.hero-side ul{margin-top:18px;display:grid;gap:12px;}
.hero-side li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.9);}
.hero-side li b{color:#8FF0E4;font-weight:700;}
.tick{
  width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.18);flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-size:11px;color:#fff;margin-top:3px;
}

/* 数据徽章 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-46px;position:relative;z-index:3;
}
.stat-card{
  background:#fff;border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh);
  border:1px solid rgba(106,76,255,.10);transition:transform .28s ease,box-shadow .28s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.stat-card .num{
  font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-card .num i{font-style:normal;font-size:16px;margin-left:2px;}
.stat-card .lab{margin-top:6px;font-size:14px;color:var(--muted);font-weight:600;}

/* Bento 卖点 */
.bento{
  display:grid;gap:22px;
  grid-template-columns:1.35fr 1fr;
  grid-template-areas:"big s1" "big s2" "big s3";
}
.b-card{
  background:#fff;border-radius:var(--r-lg);padding:28px;border:1px solid var(--line);
  box-shadow:var(--sh);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;gap:14px;
}
.b-card:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);border-color:rgba(106,76,255,.28);}
.b-card.big{grid-area:big;justify-content:space-between;background:linear-gradient(150deg,#fff 0%,#F3F1FF 100%);}
.b-card.big .thumb{
  border-radius:var(--r-md);overflow:hidden;margin-top:6px;
}
.b-card.big .thumb img{width:100%;height:230px;object-fit:cover;transition:transform .5s ease;}
.b-card.big:hover .thumb img{transform:scale(1.04);}
.b-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;color:#fff;background:var(--grad);box-shadow:0 10px 22px rgba(106,76,255,.24);
}
.b-icon.cyan{background:linear-gradient(135deg,#19C6B7,#54E0D2);box-shadow:0 10px 22px rgba(25,198,183,.26);}
.b-icon.warm{background:var(--grad-warm);box-shadow:0 10px 22px rgba(255,122,69,.26);}
.b-icon.dark{background:linear-gradient(135deg,#12152A,#3A3F63);box-shadow:0 10px 22px rgba(18,21,42,.24);}
.b-card h3{font-size:20px;}
.b-card p{color:var(--muted);font-size:15px;}
.b-card .b-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;background:#fff;border-radius:var(--r-md);padding:26px 24px;
  border:1px solid var(--line);box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.step .no{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:#fff;background:var(--dark);
  width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step:nth-child(2) .no{background:var(--brand);}
.step:nth-child(3) .no{background:#138F86;}
.step:nth-child(4) .no{background:#E0662F;}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);}

/* 图墙 */
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.wall-item{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--dark);
  box-shadow:var(--sh);transition:transform .3s ease,box-shadow .3s ease;
}
.wall-item:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;opacity:.94;}
.wall-item:hover img{transform:scale(1.05);}
.wall-item .veil{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,21,42,0) 32%,rgba(18,21,42,.86) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:20px;
}
.wall-item .veil h3{color:#fff;font-size:17px;}
.wall-item .veil p{color:rgba(255,255,255,.76);font-size:13px;margin-top:6px;}
.wall-item .cap-chip{
  position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.9);color:var(--brand);font-size:12px;font-weight:700;
}
.wall-item.tall{grid-row:span 2;}
.wall-item.wide{grid-column:span 2;}
.wall-item img{height:280px;}
.wall-item.tall img{height:100%;min-height:580px;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--r-lg);padding:26px;
  border:1px solid var(--line);box-shadow:var(--sh);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  height:100%;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);border-color:rgba(106,76,255,.26);}
.news-card .meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px;}
.news-card h3{font-size:19px;line-height:1.45;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--brand);}
.news-card .excerpt{margin-top:12px;color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .go{margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700;color:var(--brand);}
.news-empty{
  background:#fff;border:1px dashed rgba(106,76,255,.35);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--sh);
}
.news-empty .ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;font-weight:800;
}
.news-empty h3{font-size:19px;margin-bottom:8px;}
.news-empty p{color:var(--muted);font-size:15px;}
.news-empty .acts{margin-top:22px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* CTA 表单 */
.cta-card{
  border-radius:var(--r-xl);padding:56px;color:#fff;position:relative;overflow:hidden;
  background-image:linear-gradient(130deg,rgba(18,21,42,.95) 0%,rgba(76,52,190,.86) 55%,rgba(25,198,183,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;box-shadow:var(--sh-hover);
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
}
.cta-card h2{font-size:clamp(1.6rem,3vw,2.3rem);color:#fff;}
.cta-card .desc{margin-top:16px;color:rgba(255,255,255,.84);font-size:16px;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.9);}
.form-panel{background:#fff;border-radius:var(--r-lg);padding:28px;color:var(--text);box-shadow:0 24px 60px rgba(0,0,0,.22);}
.form-panel .f-title{font-size:17px;font-weight:800;margin-bottom:6px;}
.form-panel .f-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:#FCFCFE;
  padding:12px 14px;font-size:15px;color:var(--text);transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:rgba(106,76,255,.7);background:#fff;box-shadow:0 0 0 4px rgba(106,76,255,.14);
}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--accent);font-weight:600;}
.field.invalid input,.field.invalid textarea{border-color:var(--accent);background:#FFF8F5;}
.field.invalid .err{display:block;}
.form-tip{margin-top:12px;font-size:12px;color:var(--muted);line-height:1.7;}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(25,198,183,.12);color:#0E8E83;font-size:14px;font-weight:600;
}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--text);font-weight:700;font-size:18px;
  padding:24px 44px 24px 0;line-height:1.5;
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:transparent;}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button::after{
  width:26px;height:26px;background-image:none;border-radius:50%;
  border:1px solid var(--line);
  position:relative;transition:transform .3s ease,background .3s ease;
}
.faq .accordion-button::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:16px;font-weight:700;color:var(--brand);z-index:2;line-height:1;
}
.faq .accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236A4CFF'%3E%3Cpath d='M8 11 3 6h10z'/%3E%3C/svg%3E");
  background-size:14px;background-position:center;border:1px solid var(--line);
}
.faq .accordion-button::before{content:none;}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);background-color:rgba(106,76,255,.12);}
.faq .accordion-body{padding:0 0 26px;color:var(--muted);font-size:15.5px;line-height:1.9;}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand span.sub{color:rgba(255,255,255,.5);}
.site-footer .about{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em;}
.site-footer ul{display:grid;gap:11px;}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer ul a:hover{color:#8FF0E4;}
.footer-contact li{font-size:14px;display:flex;gap:10px;color:rgba(255,255,255,.72);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1199.98px){
  :root{--sec-pad:80px;}
  .hero{padding:48px;min-height:560px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;align-items:start;}
  .wall{grid-template-columns:repeat(3,1fr);}
  .wall-item.tall{grid-row:span 1;}
  .wall-item.tall img{min-height:280px;height:280px;}
  .cta-card{padding:44px;grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991.98px){
  :root{--sec-pad:72px;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;padding:12px 24px 24px;
    box-shadow:0 24px 50px rgba(21,24,52,.12);display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;}
  .nav-links a::after{display:none;}
  .nav-cta .btn-ghost-x{display:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:24px;}
  .bento{grid-template-columns:1fr;grid-template-areas:"big" "s1" "s2" "s3";}
  .steps{grid-template-columns:repeat(2,1fr);}
  .wall{grid-template-columns:repeat(2,1fr);}
  .wall-item.wide{grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer .about{max-width:none;}
}
@media (max-width:575.98px){
  :root{--sec-pad:52px;}
  body{font-size:16px;}
  .container-x{padding:0 20px;}
  .hero-wrap{padding-top:22px;}
  .hero{padding:28px 22px;min-height:auto;border-radius:28px;}
  .hero h1{font-size:1.85rem;}
  .hero .lead{font-size:15px;}
  .hero-actions .btn-x{width:100%;}
  .hero-side{padding:20px;}
  .count-bar .inner{padding:10px 20px;}
  .count-bar .tip{display:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-card{padding:18px;}
  .stat-card .num{font-size:26px;}
  .b-card,.step,.news-card{padding:22px;}
  .wall{grid-template-columns:1fr;}
  .wall-item.wide{grid-column:span 1;}
  .wall-item img,.wall-item.tall img{height:240px;min-height:240px;}
  .steps{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-card{padding:28px 22px;border-radius:28px;}
  .form-panel{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-header .nav-inner{min-height:68px;padding:0 20px;}
  .brand{font-size:16px;}
  .faq .accordion-button{font-size:16px;padding:20px 40px 20px 0;}
}

/* roulang page: article */
:root{
  --brand:#6A4CFF;
  --brand-2:#19C6B7;
  --accent:#FF7A45;
  --bg:#F7F8FC;
  --ink:#171A2B;
  --ink-2:#5D6275;
  --ink-3:#8A8FA3;
  --line:rgba(23,26,43,.10);
  --dark:#12152A;
  --card:#FFFFFF;
  --grad:linear-gradient(135deg,#6A4CFF 0%,#19C6B7 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB25E 100%);
  --shadow-sm:0 8px 26px rgba(21,24,52,.06);
  --shadow:0 14px 40px rgba(21,24,52,.08);
  --shadow-lg:0 20px 60px rgba(21,24,52,.14);
  --r-xs:12px;
  --r-sm:16px;
  --r-md:20px;
  --r-lg:26px;
  --r-xl:34px;
  --pill:999px;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(106,76,255,.35);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:"Barlow","DIN Alternate","Inter",sans-serif;font-variant-numeric:tabular-nums;}

/* ============ 倒计时条 ============ */
.countdown-bar{background:var(--grad);color:#fff;font-size:14px;}
.countdown-bar .cd-inner{
  max-width:var(--container);margin:0 auto;padding:10px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.countdown-bar .cd-left{display:flex;align-items:center;gap:12px;min-width:0;}
.countdown-bar .cd-dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(255,255,255,.22);flex:none;}
.countdown-bar .cd-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.countdown-bar .cd-nums{display:flex;align-items:center;gap:8px;flex:none;}
.countdown-bar .cd-num{
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);
  border-radius:10px;padding:2px 10px;font-weight:700;letter-spacing:.04em;
}
.countdown-bar .cd-label{opacity:.86;font-size:13px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  min-height:76px;display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--ink);flex:none;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);flex:none;
  position:relative;box-shadow:0 8px 20px rgba(106,76,255,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:5px;
  background:radial-gradient(circle at 30% 30%,#fff 0 28%,rgba(255,255,255,.25) 30% 100%);
}
.brand .sub{
  display:block;font-size:10px;font-weight:700;letter-spacing:.22em;
  color:var(--ink-3);margin-top:2px;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;padding:10px 16px;border-radius:var(--pill);
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav-links a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(106,76,255,.06);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none;}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary-x{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(106,76,255,.26);}
.btn-primary-x:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(106,76,255,.34);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost-x:hover{color:var(--brand);border-color:rgba(106,76,255,.45);background:rgba(106,76,255,.05);transform:translateY(-2px);}
.btn-sm-x{height:44px;padding:0 20px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;}
.nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s ease,opacity .22s ease;}
.site-header.nav-open .nav-toggle i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.nav-open .nav-toggle i:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.16em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}
.section-head h2{font-size:clamp(1.5rem,3vw,2.3rem);}
.section-head p.lead{color:var(--ink-2);font-size:16px;margin-top:12px;max-width:760px;}
.link-more{font-size:15px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more::after{content:"→";transition:transform .22s ease;}
.link-more:hover::after{transform:translateX(4px);}

/* ============ 文章头部 ============ */
.post-hero{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.post-wrap{max-width:900px;margin:0 auto;padding:36px 24px 8px;}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.breadcrumb-x a{color:var(--ink-3);}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .sep{opacity:.55;}
.breadcrumb-x .current{color:var(--ink-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.post-head{padding:22px 0 40px;}
.tag-x{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--pill);
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(106,76,255,.10);border:1px solid rgba(106,76,255,.18);
}
.tag-x.alt{color:#0E8F84;background:rgba(25,198,183,.12);border-color:rgba(25,198,183,.22);}
.post-title{
  font-size:clamp(1.75rem,4vw,2.7rem);
  margin:18px 0 20px;line-height:1.3;
}
.post-lead{color:var(--ink-2);font-size:17px;line-height:1.85;max-width:780px;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);padding:7px 14px;
}
.meta-item b{color:var(--ink);font-weight:700;}

/* ============ 正文阅读区 ============ */
.article-shell{padding:0 0 96px;}
.article-card{
  max-width:840px;margin:-8px auto 0;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow);padding:48px 52px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;color:#2A2E42;}
.article-body h2{
  position:relative;font-size:clamp(1.35rem,2.2vw,1.8rem);
  margin:2.1em 0 .85em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:1.25rem;margin:1.7em 0 .7em;color:var(--ink);}
.article-body h4{font-size:1.08rem;margin:1.4em 0 .6em;color:var(--ink-2);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.55em;color:#2A2E42;}
.article-body li::marker{color:var(--brand);}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(106,76,255,.35);}
.article-body a:hover{color:#4B32D6;border-bottom-color:#4B32D6;}
.article-body strong{font-weight:800;color:var(--ink);}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--shadow-sm);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.5px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body blockquote{
  position:relative;margin:1.6em 0;padding:18px 24px 18px 28px;
  background:linear-gradient(135deg,rgba(106,76,255,.07),rgba(25,198,183,.07));
  border-radius:var(--r-sm);color:#333852;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:#fff;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:#F2F3FA;font-weight:700;color:var(--ink);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body code{
  background:#F2F3FA;border-radius:6px;padding:2px 7px;font-size:14.5px;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;color:#4B32D6;
}
.article-foot{
  max-width:840px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.article-note{font-size:13.5px;color:var(--ink-3);max-width:520px;}
.empty-state{
  max-width:840px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:64px 40px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state .icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;background:var(--grad);
  opacity:.16;
}
.empty-state h2{font-size:1.4rem;margin-bottom:12px;}
.empty-state p{color:var(--ink-2);margin-bottom:24px;}

/* ============ 延伸入口 ============ */
.related-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(106,76,255,.24);color:inherit;}
.related-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.related-card:hover .related-thumb img{transform:scale(1.05);}
.related-thumb .tag-x{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);border-color:transparent;}
.related-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:1.1rem;line-height:1.5;}
.related-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;flex:1;}
.related-body .meta-line{font-size:13px;color:var(--ink-3);display:flex;gap:10px;align-items:center;}
.back-row{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px;}

/* ============ CTA ============ */
.cta-band{padding:96px 0;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:radial-gradient(120% 140% at 12% 0%,rgba(255,255,255,.20) 0%,rgba(255,255,255,0) 55%),var(--dark);
  color:#fff;padding:56px 56px;display:grid;grid-template-columns:1.35fr .9fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-card::after{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;
  background:var(--grad);opacity:.30;filter:blur(6px);
}
.cta-card h2{font-size:clamp(1.5rem,2.8vw,2.15rem);margin-bottom:16px;position:relative;z-index:2;}
.cta-card p{color:rgba(255,255,255,.78);font-size:16px;position:relative;z-index:2;max-width:560px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;z-index:2;}
.cta-points span{
  font-size:13px;padding:6px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2;}
.cta-actions .btn-x{width:100%;}
.btn-light-x{background:#fff;color:var(--dark);}
.btn-light-x:hover{color:var(--brand);transform:translateY(-2px);}
.btn-outline-x{background:transparent;color:#fff;border-color:rgba(255,255,255,.38);}
.btn-outline-x:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.10);transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:76px 0 28px;}
.site-footer .brand{color:#fff;}
.site-footer .brand-mark{box-shadow:none;}
.site-footer .brand .sub{color:rgba(255,255,255,.45);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-grid .about{font-size:14.5px;line-height:1.85;margin-top:20px;color:rgba(255,255,255,.62);max-width:360px;}
.footer-grid h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-grid ul li{margin-bottom:12px;}
.footer-grid ul li a{font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-grid ul li a:hover{color:#fff;}
.footer-contact li{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.66);}
.footer-contact b{color:rgba(255,255,255,.9);font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:84px 0;}
  .cta-card{padding:48px 40px;}
}
@media (max-width:991.98px){
  .nav-inner{flex-wrap:wrap;min-height:auto;padding:14px 24px;gap:14px;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-links{
    order:3;display:none;width:100%;flex-direction:column;align-items:stretch;gap:2px;
    margin-left:0;padding:10px 0 6px;border-top:1px solid var(--line);
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{padding:13px 14px;border-radius:14px;font-size:15.5px;}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:rgba(106,76,255,.10);color:var(--brand);}
  .nav-cta{gap:8px;}
  .nav-cta .btn-ghost-x{display:none;}
  .section{padding:72px 0;}
  .article-card{padding:36px 30px;border-radius:var(--r-lg);}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{grid-template-columns:1fr;padding:44px 34px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .countdown-bar .cd-inner{flex-wrap:wrap;justify-content:flex-start;}
  .countdown-bar .cd-text{white-space:normal;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container-x{padding:0 20px;}
  .post-wrap{padding:24px 20px 4px;}
  .post-head{padding:16px 0 30px;}
  .post-lead{font-size:16px;}
  .article-shell{padding-bottom:64px;}
  .article-card{padding:28px 20px;margin-top:0;}
  .article-body{font-size:16px;}
  .article-body p{font-size:16px;}
  .article-body table{font-size:14px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:64px 0;}
  .cta-card{padding:36px 24px;border-radius:var(--r-lg);}
  .cta-actions{flex-direction:column;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .btn-x{height:48px;padding:0 22px;}
  .nav-cta .btn-primary-x{padding:0 18px;font-size:14px;height:44px;}
}
@media (max-width:575.98px){
  .brand{font-size:17px;}
  .brand .sub{letter-spacing:.16em;}
  .post-meta{gap:8px;}
  .meta-item{font-size:12.5px;padding:6px 12px;}
  .back-row .btn-x{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand:#6A4CFF;
  --brand-2:#19C6B7;
  --accent:#FF7A45;
  --bg:#F7F8FC;
  --dark:#12152A;
  --text:#171A2B;
  --muted:#5D6275;
  --line:rgba(23,26,43,.10);
  --card:#FFFFFF;
  --grad:linear-gradient(135deg,#6A4CFF 0%,#19C6B7 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB347 100%);
  --grad-soft:linear-gradient(135deg,rgba(106,76,255,.10) 0%,rgba(25,198,183,.10) 100%);
  --r-xl:34px;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 14px 40px rgba(21,24,52,.08);
  --sh-hover:0 20px 60px rgba(21,24,52,.14);
  --sec:104px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow","DIN Alternate","Inter","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--brand)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(106,76,255,.38);outline-offset:3px;border-radius:8px}

.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 28px;
}
.section{padding:var(--sec) 0}
.section-sm{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.between{
  display:flex;align-items:flex-end;justify-content:space-between;
  max-width:none;gap:28px;flex-wrap:wrap;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
h1{font-size:clamp(2rem,4.4vw,3.4rem)}
h2{font-size:clamp(1.5rem,2.7vw,2.25rem)}
h3{font-size:1.2rem}
.sec-head p{color:var(--muted);margin-top:16px;font-size:17px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,248,252,.92);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:0 28px;
  min-height:78px;display:flex;align-items:center;gap:36px;
}
.brand{
  display:inline-flex;align-items:center;gap:12px;
  font-weight:800;font-size:18px;color:var(--text);
  letter-spacing:-.01em;line-height:1.2;
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);
  box-shadow:0 8px 20px rgba(106,76,255,.28);position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:rgba(255,255,255,.85);
}
.brand .sub{
  display:block;font-size:10px;font-weight:600;letter-spacing:.18em;
  color:var(--muted);margin-top:3px;
}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15.5px;font-weight:600;color:var(--muted);
  padding:8px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  border-radius:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
  white-space:nowrap;
}
.btn-primary-x{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(106,76,255,.28)}
.btn-primary-x:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(106,76,255,.34)}
.btn-ghost-x{background:#fff;color:var(--text);border-color:var(--line)}
.btn-ghost-x:hover{color:var(--brand);border-color:rgba(106,76,255,.45);background:rgba(106,76,255,.05);transform:translateY(-2px)}
.btn-sm-x{height:44px;padding:0 20px;font-size:14.5px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Hero ============ */
.hero-wrap{padding:34px 0 0}
.hero{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--dark);
  padding:66px 60px 58px;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.62;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(18,21,42,.94) 0%,rgba(106,76,255,.72) 52%,rgba(25,198,183,.55) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:840px}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb span.dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.5)}
.hero .tag-line{
  display:inline-flex;align-items:center;gap:10px;padding:8px 18px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:13.5px;font-weight:700;letter-spacing:.06em;margin-bottom:22px;
}
.hero h1{color:#fff;margin-bottom:20px}
.hero .lead{
  font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:720px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn-light-x{background:#fff;color:var(--dark)}
.btn-light-x:hover{color:var(--dark);transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,0,0,.22)}
.btn-line-x{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-line-x:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.hero-badges{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  margin-top:44px;
}
.hbadge{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-md);padding:18px 20px;
}
.hbadge b{
  display:block;font-family:var(--font-num);font-size:1.75rem;font-weight:800;
  letter-spacing:-.02em;line-height:1.1;
}
.hbadge span{display:block;font-size:13px;color:rgba(255,255,255,.78);margin-top:6px}

/* ============ 说明区 ============ */
.intro-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.intro-copy p{color:var(--muted);margin-bottom:18px}
.intro-list{margin-top:26px;display:grid;gap:14px}
.intro-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px}
.intro-list i{
  flex:none;width:26px;height:26px;border-radius:9px;background:var(--grad-soft);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;margin-top:4px;
}
.intro-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);aspect-ratio:4/3;background:var(--grad-soft);
}
.intro-media img{width:100%;height:100%;object-fit:cover}
.intro-media .media-tag{
  position:absolute;left:20px;bottom:20px;
  background:rgba(18,21,42,.78);color:#fff;font-size:13px;font-weight:700;
  padding:9px 16px;border-radius:var(--r-pill);backdrop-filter:blur(6px);
}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bento-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;gap:14px;min-height:100%;
}
.bento-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:rgba(106,76,255,.28)}
.bento-card.span-2{grid-column:span 2}
.bento-card.dark{
  background:var(--dark);color:#fff;border-color:transparent;
  background-image:radial-gradient(circle at 82% 18%,rgba(106,76,255,.55),transparent 58%),
                   radial-gradient(circle at 12% 92%,rgba(25,198,183,.42),transparent 55%);
}
.bento-card.dark h3{color:#fff}
.bento-card.dark p{color:rgba(255,255,255,.78)}
.ico-x{
  width:52px;height:52px;border-radius:16px;background:var(--grad);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;box-shadow:0 10px 24px rgba(106,76,255,.26);flex:none;
}
.ico-x.soft{background:var(--grad-soft);color:var(--brand);box-shadow:none}
.bento-card p{color:var(--muted);font-size:15.5px;line-height:1.8}
.bento-card .meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;
  background:var(--grad-soft);color:var(--brand);
}
.chip.warm{background:rgba(255,122,69,.12);color:#E25B24}
.chip.dark{background:rgba(255,255,255,.14);color:#fff}
.chip.line{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* ============ 数据徽章 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh);position:relative;overflow:hidden;
}
.stat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
}
.stat-card b{
  font-family:var(--font-num);font-size:2rem;font-weight:800;
  display:block;line-height:1.1;letter-spacing:-.02em;
}
.stat-card span{display:block;color:var(--muted);font-size:13.5px;margin-top:8px}

/* ============ 图墙 ============ */
.wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:18px}
.wall-item{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:box-shadow .3s ease,transform .3s ease;
  background:var(--grad-soft);
}
.wall-item.tall{grid-row:span 2}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,21,42,0) 34%,rgba(18,21,42,.82) 100%);
}
.wall-item:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}
.wall-item:hover img{transform:scale(1.05)}
.wall-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;
}
.wall-cap h3{font-size:1.05rem;color:#fff;margin-bottom:6px}
.wall-cap p{font-size:13px;color:rgba(255,255,255,.8);line-height:1.6}
.wall-tag{
  position:absolute;left:18px;top:18px;z-index:2;
  background:rgba(255,255,255,.9);color:var(--dark);
  font-size:12px;font-weight:700;padding:6px 13px;border-radius:var(--r-pill);
}

/* ============ CTA ============ */
.cta-card{
  border-radius:var(--r-xl);padding:56px;color:#fff;
  background:var(--dark);
  background-image:radial-gradient(circle at 88% 12%,rgba(106,76,255,.6),transparent 56%),
                   radial-gradient(circle at 6% 96%,rgba(25,198,183,.45),transparent 52%);
  box-shadow:0 28px 70px rgba(18,21,42,.24);
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.cta-card h2{color:#fff}
.cta-card p{color:rgba(255,255,255,.78);margin-top:16px}
.form-x{display:grid;gap:14px}
.field-x label{display:block;font-size:13.5px;font-weight:700;color:rgba(255,255,255,.82);margin-bottom:8px}
.field-x input,.field-x textarea{
  width:100%;background:rgba(255,255,255,.96);border:1px solid transparent;
  border-radius:var(--r-sm);padding:14px 16px;color:var(--text);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field-x textarea{min-height:96px;resize:vertical}
.field-x input:focus,.field-x textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,76,255,.22);
}
.field-x .tip{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:8px}
.field-x .err{font-size:12.5px;color:#FFB39A;margin-top:6px;display:none}
.field-x.has-error .err{display:block}
.field-x.has-error input,.field-x.has-error textarea{border-color:#FF7A45}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7}
.form-ok{
  display:none;background:rgba(25,198,183,.18);border:1px solid rgba(25,198,183,.45);
  color:#CFFBF4;border-radius:var(--r-sm);padding:14px 16px;font-size:14px;
}
.form-ok.show{display:block}

/* ============ FAQ ============ */
.faq-x{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);overflow:hidden;transition:border-color .25s ease;
}
.faq-item.open{border-color:rgba(106,76,255,.34)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  padding:24px 26px;display:flex;align-items:center;gap:18px;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-q:hover{color:var(--brand)}
.faq-q .sign{
  margin-left:auto;flex:none;width:34px;height:34px;border-radius:50%;
  background:var(--grad-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .3s ease;
}
.faq-item.open .faq-q .sign{transform:rotate(180deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease}
.faq-a .inner{padding:0 26px 26px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.site-footer .brand{color:#fff;font-size:17px}
.site-footer .brand .sub{color:rgba(255,255,255,.5)}
.site-footer .about{margin-top:20px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700}
.site-footer ul{display:grid;gap:12px}
.site-footer ul a{font-size:14.5px;color:rgba(255,255,255,.68)}
.site-footer ul a:hover{color:#fff}
.footer-contact li{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66)}
.footer-contact b{color:#fff;font-weight:700}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  :root{--sec:88px}
  .nav-inner{gap:24px}
  .nav-links{gap:22px}
  .hero{padding:56px 44px 50px}
}
@media (max-width:992px){
  :root{--sec:76px}
  body{font-size:16.5px}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:4px;
    padding:12px 28px 24px;margin-left:0;
    box-shadow:0 24px 48px rgba(21,24,52,.10);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--brand)}
  .nav-toggle{display:inline-flex}
  .nav-cta .btn-ghost-x{display:none}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
  .intro-grid{grid-template-columns:1fr;gap:34px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-card.span-2{grid-column:span 2}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}
  .cta-card{grid-template-columns:1fr;gap:34px;padding:44px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:576px){
  :root{--sec:60px}
  body{font-size:16px}
  .container-x{padding:0 20px}
  .nav-inner{padding:0 20px;min-height:70px}
  .nav-links{padding:10px 20px 20px}
  .nav-cta .btn-primary-x{height:42px;padding:0 16px;font-size:14px}
  .hero-wrap{padding:20px 0 0}
  .hero{padding:40px 22px 38px;border-radius:26px}
  .hero .lead{font-size:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn-x{width:100%}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:32px}
  .hbadge{padding:14px 16px}
  .hbadge b{font-size:1.4rem}
  .bento{grid-template-columns:1fr}
  .bento-card.span-2{grid-column:span 1}
  .bento-card{padding:22px}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-card{padding:18px}
  .stat-card b{font-size:1.6rem}
  .wall{grid-template-columns:1fr;grid-auto-rows:220px}
  .wall-item.tall{grid-row:span 1}
  .cta-card{padding:32px 22px;border-radius:26px}
  .form-row-2{grid-template-columns:1fr}
  .faq-q{padding:20px;font-size:16px;gap:12px}
  .faq-a .inner{padding:0 20px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:10px}
}

/* roulang page: category2 */
:root{
  --brand:#6A4CFF;
  --brand-2:#19C6B7;
  --accent:#FF7A45;
  --grad:linear-gradient(135deg,#6A4CFF 0%,#19C6B7 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB347 100%);
  --ink:#171A2B;
  --ink-2:#5D6275;
  --ink-3:#8A8FA3;
  --bg:#F7F8FC;
  --dark:#12152A;
  --line:rgba(23,26,43,.10);
  --line-2:rgba(23,26,43,.06);
  --white:#fff;
  --r-hero:32px;
  --r-card:24px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-card:0 14px 40px rgba(21,24,52,.08);
  --sh-hover:0 20px 60px rgba(21,24,52,.14);
  --fw-title:800;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease,opacity .25s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:var(--fw-title);letter-spacing:-.01em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(106,76,255,.35);outline-offset:3px;border-radius:8px}

.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:112px 0}
.section-sm{padding:72px 0}
.bg-white-x{background:var(--white)}
.bg-dark-x{background:var(--dark);color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(247,248,252,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  font-size:18px;
  line-height:1.25;
  color:var(--ink);
  letter-spacing:.01em;
}
.brand:hover{color:var(--ink)}
.brand .sub{
  display:block;
  font-size:10px;
  font-weight:600;
  letter-spacing:.22em;
  color:var(--ink-3);
  margin-top:3px;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:12px;
  background:var(--grad);
  box-shadow:0 8px 20px rgba(106,76,255,.32);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:9px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.85);
  border-right-color:transparent;
  transform:rotate(-35deg);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:34px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15.5px;
  font-weight:500;
  color:var(--ink-2);
  padding:26px 0;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:16px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary-x{
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 28px rgba(106,76,255,.26);
}
.btn-primary-x:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 18px 36px rgba(106,76,255,.34);
  filter:brightness(1.05);
}
.btn-ghost-x{
  background:#fff;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost-x:hover{
  color:var(--brand);
  border-color:rgba(106,76,255,.5);
  background:rgba(106,76,255,.06);
  transform:translateY(-2px);
}
.btn-light-x{
  background:#fff;
  color:var(--ink);
  box-shadow:0 12px 28px rgba(0,0,0,.16);
}
.btn-light-x:hover{color:var(--brand);transform:translateY(-2px)}
.btn-outline-light-x{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-outline-light-x:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-block-x{width:100%}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  padding:0;
  cursor:pointer;
}
.nav-toggle i{
  display:block;
  width:18px;height:2px;
  margin:4px auto;
  border-radius:2px;
  background:var(--ink);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero小 ---------- */
.subhero{
  padding:36px 0 0;
}
.subhero-card{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  background:#1b1f3a url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color:#fff;
  padding:64px 56px 56px;
  box-shadow:var(--sh-card);
}
.subhero-card::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(18,21,42,.92) 0%,rgba(106,76,255,.72) 55%,rgba(25,198,183,.55) 100%);
}
.subhero-card::after{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-140px;top:-160px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.28),rgba(255,255,255,0) 62%);
}
.subhero-inner{position:relative;z-index:2;max-width:760px}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.72);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb span.dot{opacity:.5}
.tag-x{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  background:rgba(255,255,255,.16);
  color:#fff;
  border:1px solid rgba(255,255,255,.22);
}
h1.page-title{
  font-size:clamp(1.9rem,4vw,3.1rem);
  line-height:1.28;
  margin:20px 0 18px;
  color:#fff;
}
.hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.86);
  max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);
  font-size:13.5px;
  color:rgba(255,255,255,.78);
}
.hero-meta b{color:#fff;font-size:15px;display:block;margin-bottom:2px}

/* ---------- 通用标题 ---------- */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.sec-kicker::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);
}
h2.sec-title{font-size:clamp(1.5rem,2.6vw,2.2rem);line-height:1.35}
.sec-desc{margin-top:16px;color:var(--ink-2);font-size:16.5px}

/* ---------- 左文右图 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-rev .split-media{order:2}
.split-body h2{font-size:clamp(1.45rem,2.4vw,2.05rem);line-height:1.4;margin-bottom:18px}
.split-body p{color:var(--ink-2);margin-bottom:16px}
.check-list li{
  position:relative;
  padding-left:34px;
  margin-bottom:14px;
  color:var(--ink);
  font-size:16px;
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;left:0;top:3px;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:11px;
  display:flex;align-items:center;justify-content:center;
}
.split-media{position:relative}
.split-media .frame{
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  background:var(--grad);
}
.split-media img{
  width:100%;
  height:440px;
  object-fit:cover;
  transition:transform .5s ease;
}
.split-media:hover img{transform:scale(1.03)}
.float-badge{
  position:absolute;
  left:-18px;bottom:-22px;
  background:#fff;
  border-radius:20px;
  padding:18px 22px;
  box-shadow:var(--sh-hover);
  border:1px solid var(--line-2);
  min-width:190px;
}
.float-badge strong{display:block;font-size:26px;font-family:"Barlow","DIN Alternate",sans-serif;color:var(--brand);line-height:1.1}
.float-badge span{font-size:13px;color:var(--ink-2)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:10px}
.timeline::before{
  content:"";
  position:absolute;
  left:26px;top:12px;bottom:12px;
  width:2px;
  background:linear-gradient(180deg,rgba(106,76,255,.9),rgba(25,198,183,.5));
  border-radius:2px;
}
.tl-item{
  position:relative;
  padding:0 0 30px 76px;
}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:8px;top:0;
  width:38px;height:38px;
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:"Barlow","DIN Alternate",sans-serif;
  font-weight:700;
  color:var(--brand);
  box-shadow:0 8px 22px rgba(21,24,52,.07);
}
.tl-body{
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(106,76,255,.28)}
.tl-body h3{font-size:1.15rem;margin-bottom:10px}
.tl-body p{color:var(--ink-2);font-size:15.5px}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:rgba(106,76,255,.08);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
}
.chip.warm{background:rgba(255,122,69,.12);color:#E9611F}
.chip.cool{background:rgba(25,198,183,.13);color:#0E9E92}

/* ---------- 数据徽章 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh-card);
  position:relative;
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat::after{
  content:"";
  position:absolute;left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad);
  border-radius:0 4px 4px 0;
}
.stat .num{
  font-family:"Barlow","DIN Alternate",sans-serif;
  font-size:clamp(1.8rem,3vw,2.4rem);
  font-weight:800;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.1;
}
.stat .lbl{font-size:14px;color:var(--ink-2);margin-top:8px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-x .accordion-item{
  background:#fff;
  border:1px solid var(--line-2);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.accordion-x .accordion-button{
  width:100%;
  text-align:left;
  border:0;
  background:#fff;
  padding:24px 26px;
  font-size:1.05rem;
  font-weight:700;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  box-shadow:none;
  transition:color .25s ease,background .25s ease;
}
.accordion-x .accordion-button:hover{color:var(--brand);background:rgba(106,76,255,.03)}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--brand);
  background:rgba(106,76,255,.05);
  box-shadow:none;
}
.accordion-x .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand);
  background-image:none;
  width:auto;height:auto;
  transition:transform .3s ease;
  transform:none;
}
.accordion-x .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-x .accordion-body{
  padding:4px 26px 26px;
  color:var(--ink-2);
  font-size:15.8px;
  line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  background:var(--grad);
  color:#fff;
  padding:56px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  box-shadow:0 26px 70px rgba(106,76,255,.28);
}
.cta-card::after{
  content:"";
  position:absolute;
  width:460px;height:460px;
  right:-180px;bottom:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.26),rgba(255,255,255,0) 65%);
}
.cta-body{position:relative;z-index:2}
.cta-body h2{font-size:clamp(1.5rem,2.6vw,2.15rem);line-height:1.38;margin-bottom:16px;color:#fff}
.cta-body p{color:rgba(255,255,255,.9);font-size:16px}
.form-x{
  position:relative;z-index:2;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-card);
  padding:28px;
  backdrop-filter:blur(6px);
}
.form-x label{display:block;font-size:13.5px;color:rgba(255,255,255,.9);margin-bottom:7px;font-weight:600}
.form-x .field{margin-bottom:16px}
.form-x input,.form-x select{
  width:100%;
  height:48px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.42);
  background:rgba(255,255,255,.96);
  padding:0 16px;
  font-size:15px;
  color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-x input:focus,.form-x select:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(106,76,255,.18);
}
.form-x .hint{font-size:12.5px;color:rgba(255,255,255,.8);margin-top:12px;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 32px;
  margin-top:112px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand .sub{color:rgba(255,255,255,.5)}
.site-footer .about{margin-top:18px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.66)}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.site-footer ul li{margin-bottom:11px}
.site-footer ul li a{font-size:14.5px;color:rgba(255,255,255,.7)}
.site-footer ul li a:hover{color:#fff}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.7)}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:26px;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links{gap:24px}
  .nav-cta .btn-ghost-x{display:none}
}
@media (max-width:991px){
  .section{padding:76px 0}
  .split{grid-template-columns:1fr;gap:34px}
  .split-rev .split-media{order:0}
  .split-media img{height:340px}
  .float-badge{left:16px;bottom:-18px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:40px;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;
    top:100%;left:0;right:0;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:10px 24px 22px;
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 50px rgba(21,24,52,.10);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{
    width:100%;
    padding:15px 0;
    font-size:16px;
    border-bottom:1px solid var(--line-2);
  }
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--brand)}
  .nav-cta .btn-primary-x{height:44px;padding:0 18px;font-size:14px}
}
@media (max-width:767px){
  .container-x,.nav-inner{padding:0 20px}
  .subhero-card{padding:42px 24px 38px;border-radius:26px}
  .hero-meta{gap:18px}
  h1.page-title{font-size:clamp(1.6rem,6.4vw,2.2rem)}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat{padding:20px 18px}
  .tl-item{padding-left:60px}
  .timeline::before{left:19px}
  .tl-dot{width:32px;height:32px;left:4px;border-radius:11px;font-size:13px}
  .cta-card{padding:30px 22px;border-radius:26px}
  .form-x{padding:22px}
  .btn-x{height:46px;font-size:14.5px}
  .hero-actions .btn-x{width:100%}
}
@media (max-width:520px){
  body{font-size:16px}
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .site-footer{margin-top:64px;padding:52px 0 26px}
  .footer-bottom{flex-direction:column}
  .split-media img{height:250px}
}