/* roulang page: index */
:root{
  --st-ink:#241B4B;
  --st-ink-2:#3A2A6E;
  --st-gold:#F2A93B;
  --st-jade:#4FC3B8;
  --st-bg:#F7F5F2;
  --st-card:#FFFFFF;
  --st-line:#ECE7F6;
  --st-line-2:#D9D2EC;
  --st-text:#2A2438;
  --st-text-2:#6B6580;
  --st-ok:#2E9E75;
  --st-warn:#C4552F;
  --st-r-card:16px;
  --st-r-img:12px;
  --st-r-btn:10px;
  --st-r-badge:6px;
  --st-shadow:0 1px 2px rgba(36,27,75,.05),0 10px 24px rgba(36,27,75,.06);
  --st-shadow-hover:0 2px 4px rgba(36,27,75,.09),0 18px 36px rgba(36,27,75,.13);
  --st-sp-1:8px; --st-sp-2:12px; --st-sp-3:16px; --st-sp-4:24px;
  --st-sp-5:32px; --st-sp-6:48px; --st-sp-7:64px; --st-sp-8:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--st-text);
  background:var(--st-bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--st-ink);text-decoration:none;background-color:transparent;}
a:hover{color:var(--st-ink-2);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;margin:0;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px;}

.st-container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.st-read{max-width:760px;}

/* ============ 顶部导航 ============ */
.st-header{position:sticky;top:12px;z-index:60;padding:0 20px;}
.st-navcard{
  max-width:1200px;margin:0 auto;
  background:var(--st-card);
  border:1px solid var(--st-line);
  border-radius:var(--st-r-card);
  box-shadow:0 1px 2px rgba(36,27,75,.05),0 7px 18px rgba(36,27,75,.07),inset 0 1px 0 rgba(255,255,255,.7);
  padding:10px 14px;
  display:flex;align-items:center;gap:var(--st-sp-3);
  position:relative;
}
.st-logo{display:flex;flex-direction:column;line-height:1.18;padding:2px 6px 2px 0;flex:0 0 auto;}
.st-logo-main{font-weight:700;font-size:16px;color:var(--st-ink);letter-spacing:.01em;}
.st-logo-sub{font-weight:700;font-size:13px;color:var(--st-text-2);letter-spacing:.01em;}
.st-logo:hover .st-logo-sub{color:var(--st-jade);}
.st-navlinks{display:flex;align-items:center;gap:6px;margin-left:auto;}
.st-navitem{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:12px;
  font-size:14px;color:var(--st-text);
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  min-height:44px;
}
.st-navitem svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--st-ink-2);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.st-navitem:hover{background:rgba(79,195,184,.10);color:var(--st-ink);}
.st-navitem:hover svg{stroke:var(--st-ink);}
.st-navitem.is-active{background:rgba(36,27,75,.06);border-color:var(--st-line-2);box-shadow:inset 0 -2px 0 var(--st-gold);}
.st-navactions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.st-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--st-line-2);
  align-items:center;justify-content:center;
}
.st-burger span{display:block;width:18px;height:2px;background:var(--st-ink);border-radius:2px;position:relative;}
.st-burger span::before,.st-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--st-ink);border-radius:2px;}
.st-burger span::before{top:-6px;}
.st-burger span::after{top:6px;}

/* ============ 按钮 ============ */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--st-r-btn);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.st-btn-primary{background:var(--st-ink);color:#fff;box-shadow:0 6px 16px rgba(36,27,75,.20);}
.st-btn-primary:hover{background:var(--st-ink-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(36,27,75,.26);}
.st-btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(36,27,75,.22);}
.st-btn-ghost{background:#fff;color:var(--st-ink);border-color:var(--st-line-2);}
.st-btn-ghost:hover{border-color:var(--st-gold);color:var(--st-ink-2);transform:translateY(-1px);}
.st-btn-ghost:active{transform:translateY(0);background:var(--st-bg);}
.st-btn-quiet{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34);}
.st-btn-quiet:hover{background:rgba(255,255,255,.16);color:#fff;border-color:var(--st-gold);}
.st-btn-sm{height:42px;padding:0 18px;font-size:14px;}
.st-btn-block{width:100%;}
.st-btn[disabled],.st-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.st-btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--st-ink);border-bottom:2px solid var(--st-gold);padding-bottom:2px;height:auto;}
.st-btn-link:hover{color:var(--st-ink-2);}

/* ============ Hero ============ */
.st-hero{
  position:relative;
  margin-top:var(--st-sp-4);
  background:var(--st-ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.st-hero::before{content:"";position:absolute;inset:0;background:rgba(36,27,75,.72);}
.st-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.30;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:28px 28px;
}
.st-hero-inner{position:relative;z-index:2;padding:72px 0 56px;min-height:clamp(520px,62vh,720px);display:flex;flex-direction:column;justify-content:center;}
.st-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;color:#F3E6CE;
  background:rgba(242,169,59,.14);
  border:1px solid rgba(242,169,59,.42);
  border-radius:var(--st-r-badge);
  padding:5px 12px;margin-bottom:20px;letter-spacing:.02em;
}
.st-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--st-gold);display:inline-block;}
.st-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.2;font-weight:700;letter-spacing:.01em;
  color:#fff;margin-bottom:18px;max-width:15em;
}
.st-hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:34em;margin-bottom:28px;}
.st-hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.st-hero-figure{position:relative;border-radius:var(--st-r-img);border:1px solid rgba(242,169,59,.55);overflow:hidden;aspect-ratio:16/10;background:rgba(255,255,255,.06);}
.st-hero-figure img{width:100%;height:100%;object-fit:cover;}
.st-hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 16px;font-size:13px;line-height:1.6;color:#fff;
  background:linear-gradient(180deg,rgba(36,27,75,0),rgba(36,27,75,.86));
}
.st-trust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18);}
.st-trust li{
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;padding:12px 14px;
  font-size:14px;line-height:1.5;color:#fff;
}
.st-trust svg{width:20px;height:20px;flex:0 0 auto;stroke:var(--st-gold);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 板块通用 ============ */
.st-section{padding:88px 0;}
.st-section-alt{background:#fff;border-top:1px solid var(--st-line);border-bottom:1px solid var(--st-line);}
.st-sec-head{max-width:760px;margin-bottom:var(--st-sp-6);}
.st-rule{display:block;width:48px;height:1px;background:rgba(242,169,59,.6);margin-bottom:16px;}
.st-sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;color:var(--st-ink);margin-bottom:14px;}
.st-sec-head p{font-size:16px;line-height:1.85;color:var(--st-text-2);}
.st-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1.6;padding:3px 9px;border-radius:var(--st-r-badge);background:rgba(36,27,75,.07);color:var(--st-ink-2);}
.st-badge-gold{background:rgba(242,169,59,.16);color:#8A5A0C;}
.st-badge-jade{background:rgba(79,195,184,.16);color:#1F7A72;}

/* ============ 阶梯 ============ */
.st-ladder{display:flex;flex-direction:column;gap:0;}
.st-ladder-item{
  background:var(--st-card);border:1px solid var(--st-line);border-radius:var(--st-r-card);
  box-shadow:var(--st-shadow);padding:26px 28px;
  display:grid;grid-template-columns:76px minmax(0,1fr) 220px;gap:24px;align-items:center;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-ladder-item:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-hover);}
.st-ladder-item.is-top{background:var(--st-ink);border-color:var(--st-ink);color:#fff;}
.st-ladder-item.is-top h3,.st-ladder-item.is-top .st-ladder-desc{color:#fff;}
.st-ladder-item.is-top .st-ladder-list li{color:rgba(255,255,255,.88);}
.st-ladder-num{
  font-size:30px;font-weight:700;color:var(--st-gold);line-height:1;
  font-variant-numeric:tabular-nums;
  border-right:1px solid var(--st-line);padding-right:20px;
}
.st-ladder-item.is-top .st-ladder-num{border-right-color:rgba(255,255,255,.22);}
.st-ladder-item h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--st-ink);margin-bottom:6px;}
.st-ladder-desc{font-size:14px;line-height:1.7;color:var(--st-text-2);margin-bottom:12px;}
.st-ladder-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 20px;}
.st-ladder-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.7;color:var(--st-text);}
.st-ladder-list li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:6px;border-left:2px solid var(--st-gold);border-bottom:2px solid var(--st-gold);transform:rotate(-45deg);}
.st-ladder-side{text-align:right;}
.st-ladder-arrow{display:flex;align-items:center;gap:10px;justify-content:flex-end;padding:12px 40px 12px 0;color:var(--st-text-2);font-size:13px;}
.st-ladder-arrow em{font-style:normal;}
.st-ladder-arrow span{flex:1;border-top:1px dashed rgba(242,169,59,.6);max-width:180px;margin-left:auto;}

/* ============ 对比表 ============ */
.st-tablewrap{overflow-x:auto;border:1px solid var(--st-line);border-radius:var(--st-r-card);background:#fff;box-shadow:var(--st-shadow);}
.st-tablewrap::-webkit-scrollbar{height:8px;}
.st-tablewrap::-webkit-scrollbar-thumb{background:var(--st-line-2);border-radius:8px;}
.st-table{width:100%;border-collapse:collapse;min-width:720px;margin:0;}
.st-table caption{text-align:left;padding:16px 20px 0;font-size:12px;color:var(--st-text-2);}
.st-table th,.st-table td{padding:0 20px;height:60px;text-align:left;font-size:15px;line-height:1.6;border-bottom:1px solid var(--st-line);vertical-align:middle;}
.st-table thead th{
  position:sticky;top:0;z-index:2;
  background:#F1EDFA;color:var(--st-ink);
  font-weight:600;font-size:14px;height:56px;
}
.st-table tbody th{font-weight:600;color:var(--st-ink);background:#FCFBFF;position:sticky;left:0;z-index:1;min-width:150px;}
.st-table tbody tr:hover td,.st-table tbody tr:hover th{background:#FBF9FF;}
.st-table .is-recommend{box-shadow:inset 2px 0 0 var(--st-gold),inset -2px 0 0 var(--st-gold);background:rgba(242,169,59,.05);}
.st-table thead th.is-recommend{background:#FBEED4;box-shadow:inset 2px 0 0 var(--st-gold),inset -2px 0 0 var(--st-gold),inset 0 3px 0 var(--st-gold);}
.st-scroll-tip{display:none;font-size:12px;color:var(--st-text-2);margin-top:8px;}

/* ============ 限时条 ============ */
.st-limit{
  position:relative;color:#fff;
  background:var(--st-ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.st-limit::before{content:"";position:absolute;inset:0;background:rgba(36,27,75,.80);}
.st-limit::after{
  content:"";position:absolute;inset:0;opacity:.24;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:30px 30px;
}
.st-limit-inner{position:relative;z-index:2;padding:34px 0;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;min-height:120px;}
.st-limit-left{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.st-limit-label{font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);}
.st-limit-label strong{display:block;font-size:17px;font-weight:700;color:#fff;margin-bottom:2px;}
.st-clock{display:flex;align-items:center;gap:10px;font-variant-numeric:tabular-nums;}
.st-clock-box{
  min-width:60px;padding:8px 6px;border-radius:10px;text-align:center;
  background:rgba(255,255,255,.09);border:1px solid rgba(242,169,59,.5);
}
.st-clock-box b{display:block;font-size:24px;line-height:1.1;font-weight:700;color:#fff;}
.st-clock-box span{display:block;font-size:11px;color:rgba(255,255,255,.72);margin-top:2px;}
.st-clock em{font-style:normal;color:rgba(255,255,255,.6);}
.st-limit-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.st-limit-right small{font-size:13px;color:rgba(255,255,255,.74);}

/* ============ 资讯卡片 ============ */
.st-news-grid{margin-top:8px;}
.st-card{
  background:var(--st-card);border:1px solid var(--st-line);border-radius:var(--st-r-card);
  box-shadow:var(--st-shadow);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-card:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-hover);}
.st-card-media{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--st-line);background:var(--st-bg);}
.st-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.st-card:hover .st-card-media img{transform:scale(1.03);}
.st-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.st-card-body h3{
  font-size:18px;line-height:1.45;font-weight:600;color:var(--st-ink);margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.st-card-body p{
  font-size:15px;line-height:1.7;color:var(--st-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.st-card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--st-line);}
.st-time{font-size:13px;color:var(--st-text-2);font-variant-numeric:tabular-nums;}
.st-card-link{font-size:14px;font-weight:600;color:var(--st-ink);display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid var(--st-gold);padding-bottom:1px;}
.st-card-link:hover{color:var(--st-ink-2);}
.st-empty{
  border:1px dashed var(--st-line-2);border-radius:var(--st-r-card);background:#fff;
  padding:56px 24px;text-align:center;box-shadow:var(--st-shadow);
}
.st-empty-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:rgba(36,27,75,.06);display:flex;align-items:center;justify-content:center;}
.st-empty-icon svg{width:30px;height:30px;stroke:var(--st-ink-2);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.st-empty p{font-size:16px;color:var(--st-text-2);margin-bottom:18px;}

/* ============ FAQ ============ */
.st-faq{max-width:860px;}
.st-faq-item{border-bottom:1px solid var(--st-line);background:transparent;transition:background-color .2s ease;}
.st-faq-item:first-child{border-top:1px solid var(--st-line);}
.st-faq-item[open]{background:var(--st-bg);}
.st-faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 16px 20px 0;font-size:17px;line-height:1.6;font-weight:600;color:var(--st-ink);
}
.st-faq-item summary::-webkit-details-marker{display:none;}
.st-faq-item summary .st-faq-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:rgba(242,169,59,.16);color:#8A5A0C;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:1px;
}
.st-faq-item summary .st-faq-plus{margin-left:auto;flex:0 0 auto;width:18px;height:18px;position:relative;transition:transform .2s ease;margin-top:5px;}
.st-faq-item summary .st-faq-plus::before,.st-faq-item summary .st-faq-plus::after{content:"";position:absolute;background:var(--st-ink-2);border-radius:2px;}
.st-faq-item summary .st-faq-plus::before{left:0;top:8px;width:18px;height:2px;}
.st-faq-item summary .st-faq-plus::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease;}
.st-faq-item[open] summary .st-faq-plus{transform:rotate(180deg);}
.st-faq-item[open] summary .st-faq-plus::after{opacity:0;}
.st-faq-answer{padding:0 44px 22px 40px;font-size:16px;line-height:1.85;color:var(--st-text-2);}

/* ============ 表单 ============ */
.st-contact{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px;align-items:start;}
.st-contact-note{background:#fff;border:1px solid var(--st-line);border-radius:var(--st-r-card);box-shadow:var(--st-shadow);padding:28px;}
.st-contact-note h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--st-ink);margin-bottom:12px;}
.st-contact-note p{font-size:15px;line-height:1.8;color:var(--st-text-2);margin-bottom:16px;}
.st-note-list li{position:relative;padding-left:22px;font-size:14px;line-height:1.9;color:var(--st-text);}
.st-note-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:rgba(79,195,184,.4);border:1px solid var(--st-jade);}
.st-form-card{background:#fff;border:1px solid var(--st-line);border-radius:var(--st-r-card);box-shadow:var(--st-shadow);padding:28px;}
.st-field{margin-bottom:18px;}
.st-field label{display:block;font-size:14px;font-weight:600;color:var(--st-ink);margin-bottom:8px;}
.st-field input,.st-field select,.st-field textarea{
  width:100%;height:44px;padding:0 14px;border-radius:var(--st-r-btn);
  border:1px solid var(--st-line-2);background:#FDFCFF;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.st-field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.st-field input:focus,.st-field select:focus,.st-field textarea:focus{
  outline:none;border-color:var(--st-gold);box-shadow:0 0 0 3px rgba(242,169,59,.18);background:#fff;
}
.st-field input:disabled,.st-field select:disabled,.st-field textarea:disabled{background:#F3F1F6;color:var(--st-text-2);cursor:not-allowed;}
.st-field-hint{font-size:13px;line-height:1.6;color:var(--st-warn);margin-top:6px;display:none;}
.st-field.is-error input,.st-field.is-error select{border-color:var(--st-warn);}
.st-field.is-error .st-field-hint{display:block;}
.st-form-foot{display:flex;align-items:center;justify-content:flex-end;gap:16px;flex-wrap:wrap;}
.st-form-ok{font-size:14px;color:var(--st-ok);display:none;}
.st-form-ok.is-show{display:block;}

/* ============ 页脚 ============ */
.st-footer{
  position:relative;color:rgba(255,255,255,.82);margin-top:0;
  background:var(--st-ink) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.st-footer::before{content:"";position:absolute;inset:0;background:rgba(36,27,75,.90);}
.st-footer::after{
  content:"";position:absolute;left:0;right:0;top:0;height:120px;pointer-events:none;opacity:.26;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:26px 26px;
}
.st-footer-inner{position:relative;z-index:2;padding:64px 0 0;}
.st-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;border-bottom:1px solid rgba(242,169,59,.38);}
.st-footer-grid h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.st-footer-grid p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.74);}
.st-footer-logo{display:flex;flex-direction:column;line-height:1.2;margin-bottom:14px;}
.st-footer-logo b{font-size:17px;font-weight:700;color:#fff;}
.st-footer-logo span{font-size:14px;font-weight:700;color:rgba(255,255,255,.7);}
.st-footer-links li{margin-bottom:10px;}
.st-footer-links a{font-size:14px;color:rgba(255,255,255,.78);border-bottom:1px solid transparent;padding-bottom:1px;transition:color .2s ease,border-color .2s ease;}
.st-footer-links a:hover{color:#fff;border-bottom-color:var(--st-gold);}
.st-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.6);}
.st-footer-bottom a{color:rgba(255,255,255,.72);}
.st-footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .st-ladder-item{grid-template-columns:68px minmax(0,1fr) 200px;gap:20px;}
}
@media screen and (max-width:1023px){
  body{font-size:16px;}
  .st-section{padding:64px 0;}
  .st-navitem span.st-navtext{display:inline;}
  .st-burger{display:inline-flex;}
  .st-navlinks{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--st-line);border-radius:var(--st-r-card);
    box-shadow:var(--st-shadow-hover);padding:12px;
  }
  .st-navlinks.is-open{display:flex;}
  .st-navitem{justify-content:flex-start;}
  .st-navactions .st-btn-primary{display:none;}
  .st-navlinks .st-mobile-cta{margin-top:6px;}
  .st-hero-inner{padding:56px 0 44px;}
  .st-trust{grid-template-columns:repeat(2,minmax(0,1fr));}
  .st-ladder-item{grid-template-columns:1fr;gap:16px;padding:22px;}
  .st-ladder-num{border-right:0;border-bottom:1px solid var(--st-line);padding:0 0 12px;}
  .st-ladder-item.is-top .st-ladder-num{border-bottom-color:rgba(255,255,255,.22);}
  .st-ladder-side{text-align:left;}
  .st-ladder-arrow{padding:10px 0;justify-content:flex-start;}
  .st-ladder-arrow span{max-width:none;}
  .st-scroll-tip{display:block;}
  .st-contact{grid-template-columns:1fr;}
  .st-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media screen and (max-width:639px){
  .st-section{padding:48px 0;}
  .st-hero{margin-top:16px;}
  .st-hero h1{font-size:clamp(28px,8vw,36px);}
  .st-hero-sub{font-size:16px;}
  .st-hero-btns .st-btn{width:100%;}
  .st-trust{grid-template-columns:1fr;}
  .st-ladder-list{grid-template-columns:1fr;}
  .st-limit-inner{padding:26px 0;}
  .st-limit-right{align-items:flex-start;width:100%;}
  .st-limit-right .st-btn{width:100%;}
  .st-faq-answer{padding:0 8px 20px 40px;}
  .st-form-foot{flex-direction:column;align-items:stretch;}
  .st-form-foot .st-btn{width:100%;}
  .st-footer-grid{grid-template-columns:1fr;gap:24px;}
  .st-clock-box{min-width:52px;}
  .st-clock-box b{font-size:20px;}
}
@media screen and (max-width:375px){
  .st-container{padding:0 16px;}
  .st-header{padding:0 12px;}
  .st-logo-main{font-size:15px;}
  .st-logo-sub{font-size:12px;}
}

/* roulang page: article */
:root{
  --st-ink:#241B4B;
  --st-ink-2:#3A2A6E;
  --st-gold:#F2A93B;
  --st-jade:#4FC3B8;
  --st-bg:#F7F5F2;
  --st-card:#FFFFFF;
  --st-line:#ECE7F6;
  --st-line-2:#D9D2EC;
  --st-text:#2A2438;
  --st-text-2:#6B6580;
  --st-ok:#2E9E75;
  --st-warn:#C4552F;
  --st-r-card:16px;
  --st-r-img:12px;
  --st-r-btn:10px;
  --st-r-badge:6px;
  --st-shadow:0 1px 2px rgba(36,27,75,.05), 0 10px 24px rgba(36,27,75,.06);
  --st-shadow-hover:0 2px 4px rgba(36,27,75,.07), 0 16px 34px rgba(36,27,75,.12);
  --st-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --st-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--st-font);
  font-size:16px;
  line-height:1.85;
  color:var(--st-text);
  background:var(--st-bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:solid;}
a{color:var(--st-ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--st-ink-2);}
h1,h2,h3,h4,h5,h6{font-family:var(--st-font);color:var(--st-ink);font-weight:700;letter-spacing:.01em;margin:0;}
p{margin:0 0 1.1em;}
button,input,select,textarea{font-family:var(--st-font);font-size:16px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px;}

.st-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.st-section{padding-top:var(--st-sec);padding-bottom:var(--st-sec);}
.st-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;line-height:1.6;font-weight:600;color:var(--st-ink);
  background:rgba(36,27,75,.06);
  border:1px solid var(--st-line-2);
  border-radius:var(--st-r-badge);
  padding:4px 10px;
}
.st-kicker .st-dot{width:6px;height:6px;border-radius:50%;background:var(--st-gold);display:inline-block;}
.st-rule{width:48px;height:1px;background:rgba(242,169,59,.6);border:0;margin:16px 0 20px;}
.st-h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
.st-lead{font-size:16px;line-height:1.85;color:var(--st-text-2);max-width:760px;}

/* 按钮 */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--st-r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease,color .2s ease;
}
.st-btn-primary{background:var(--st-ink);color:#fff;border-color:var(--st-ink);}
.st-btn-primary:hover{background:var(--st-ink-2);border-color:var(--st-ink-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(36,27,75,.22);}
.st-btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(36,27,75,.2);}
.st-btn-ghost{background:#fff;color:var(--st-ink);border-color:var(--st-line-2);}
.st-btn-ghost:hover{border-color:var(--st-gold);color:var(--st-ink-2);transform:translateY(-1px);box-shadow:0 8px 18px rgba(36,27,75,.08);}
.st-btn-sm{height:44px;padding:0 18px;font-size:14px;}
.st-btn-block{width:100%;}
.st-btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--st-ink);font-weight:600;font-size:14px;
  border-bottom:2px solid rgba(242,169,59,.7);padding-bottom:2px;
}
.st-btn-link:hover{color:var(--st-ink-2);border-bottom-color:var(--st-gold);}
.st-btn[disabled],.st-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* 导航 */
.st-header{position:sticky;top:12px;z-index:60;padding:0 0 8px;}
.st-navcard{
  background:#fff;
  border:1px solid var(--st-line-2);
  border-radius:var(--st-r-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 1px 2px rgba(36,27,75,.05),0 10px 24px rgba(36,27,75,.06);
  display:flex;align-items:center;gap:16px;
  padding:10px 14px;
  width:100%;
  max-width:1200px;
  margin:0 auto;
}
.st-logo{display:flex;flex-direction:column;line-height:1.05;padding:4px 10px 4px 4px;border-right:1px solid var(--st-line);}
.st-logo-main{font-size:19px;font-weight:700;color:var(--st-ink);letter-spacing:.02em;}
.st-logo-sub{font-size:12px;font-weight:600;color:var(--st-text-2);letter-spacing:.04em;}
.st-navlinks{display:flex;align-items:center;gap:8px;flex:1 1 auto;}
.st-navitem{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--st-text);
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-navitem svg{width:18px;height:18px;flex:0 0 18px;fill:none;stroke:var(--st-ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
  background:rgba(79,195,184,0);border-radius:6px;padding:2px;transition:background-color .2s ease;}
.st-navitem:hover{background:var(--st-bg);color:var(--st-ink);}
.st-navitem:hover svg{background:rgba(79,195,184,.16);}
.st-navitem.is-active{background:rgba(36,27,75,.06);color:var(--st-ink);box-shadow:inset 0 -2px 0 var(--st-gold);}
.st-navactions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.st-burger{
  display:none;width:44px;height:44px;border-radius:var(--st-r-btn);
  border:1px solid var(--st-line-2);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;padding:0;
}
.st-burger span{display:block;width:18px;height:2px;background:var(--st-ink);position:relative;}
.st-burger span::before,.st-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--st-ink);}
.st-burger span::before{top:-6px;}
.st-burger span::after{top:6px;}
.st-mobile-cta{display:none;}

/* 面包屑 */
.st-crumb{padding:20px 0 0;}
.st-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--st-text-2);}
.st-crumb li{display:flex;align-items:center;gap:8px;}
.st-crumb li::after{content:"/";color:var(--st-line-2);}
.st-crumb li:last-child::after{content:"";}
.st-crumb a{color:var(--st-text-2);}
.st-crumb a:hover{color:var(--st-ink);}
.st-crumb .is-current{color:var(--st-ink);font-weight:600;max-width:min(560px,60vw);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* 文章头 */
.st-article-head{padding:28px 0 0;}
.st-article-card{
  background:var(--st-card);border:1px solid var(--st-line);
  border-radius:var(--st-r-card);box-shadow:var(--st-shadow);
  padding:32px;
}
.st-article-tagline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.st-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.6;font-weight:600;
  padding:4px 10px;border-radius:var(--st-r-badge);
  background:rgba(36,27,75,.06);color:var(--st-ink);border:1px solid var(--st-line-2);
}
.st-badge.is-gold{background:rgba(242,169,59,.14);border-color:rgba(242,169,59,.5);color:#8A5A0B;}
.st-badge.is-jade{background:rgba(79,195,184,.14);border-color:rgba(79,195,184,.45);color:#1D6E67;}
.st-article-title{font-size:clamp(28px,4vw,44px);line-height:1.22;margin-bottom:18px;}
.st-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--st-text-2);font-variant-numeric:tabular-nums;}
.st-meta span{display:inline-flex;align-items:center;gap:6px;}
.st-meta b{font-weight:600;color:var(--st-text);}
.st-article-cover{margin:24px 0 0;border-radius:var(--st-r-img);overflow:hidden;}
.st-article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;border:1px solid var(--st-line);border-radius:var(--st-r-img);}
.st-article-cover figcaption{font-size:12px;color:var(--st-text-2);margin-top:8px;}

/* 布局 */
.st-layout{padding:32px 20px 0;}
.st-main-col{min-width:0;}
.st-side-col{min-width:0;}
@media screen and (min-width:1024px){
  .st-side-col{position:relative;}
  .st-side-sticky{position:sticky;top:104px;display:flex;flex-direction:column;gap:16px;}
}

/* 正文 */
.st-content-card{
  background:var(--st-card);border:1px solid var(--st-line);
  border-radius:var(--st-r-card);box-shadow:var(--st-shadow);
  padding:32px;margin-bottom:24px;
}
.st-prose{max-width:760px;font-size:17px;line-height:1.88;color:var(--st-text);overflow-wrap:break-word;}
.st-prose > *{max-width:100%;}
.st-prose h2{font-size:24px;line-height:1.4;margin:1.6em 0 .6em;}
.st-prose h3{font-size:20px;line-height:1.45;margin:1.6em 0 .6em;}
.st-prose h4{font-size:17px;margin:1.4em 0 .5em;}
.st-prose p{margin:0 0 1.1em;}
.st-prose ul,.st-prose ol{margin:0 0 1.2em;padding-left:0;}
.st-prose ul li,.st-prose ol li{position:relative;padding-left:22px;margin-bottom:.5em;line-height:1.85;}
.st-prose ul li::before{content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--st-gold);}
.st-prose ol{counter-reset:stli;}
.st-prose ol li{counter-increment:stli;}
.st-prose ol li::before{
  content:counter(stli);position:absolute;left:0;top:.28em;
  width:16px;height:16px;border-radius:4px;background:rgba(36,27,75,.08);
  color:var(--st-ink);font-size:11px;font-weight:700;line-height:16px;text-align:center;
}
.st-prose blockquote{
  margin:1.4em 0;padding:4px 0 4px 18px;
  border-left:3px solid var(--st-gold);
  color:var(--st-text-2);font-size:16px;line-height:1.85;
}
.st-prose img{border-radius:var(--st-r-img);border:1px solid var(--st-line);margin:1.2em 0 .6em;}
.st-prose figure{margin:1.4em 0;}
.st-prose figure figcaption{font-size:12px;color:var(--st-text-2);margin-top:6px;}
.st-prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.2em 0;}
.st-prose th,.st-prose td{border:1px solid var(--st-line-2);padding:10px 12px;text-align:left;}
.st-prose th{background:#F3F0FB;font-weight:600;}
.st-prose a{color:var(--st-ink);border-bottom:1px solid rgba(79,195,184,.7);}
.st-prose a:hover{color:var(--st-ink-2);border-bottom-color:var(--st-gold);}
.st-prose code{background:var(--st-bg);border:1px solid var(--st-line);border-radius:6px;padding:1px 6px;font-size:15px;}

.st-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;}
.st-tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;color:var(--st-ink);
  padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--st-line-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.st-tag:hover{border-color:var(--st-gold);color:var(--st-ink-2);transform:translateY(-1px);}

.st-actions{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 40px;}

/* 空态 */
.st-empty{
  background:var(--st-card);border:1px solid var(--st-line-2);border-radius:var(--st-r-card);
  box-shadow:var(--st-shadow);padding:48px 28px;text-align:center;margin-bottom:24px;
}
.st-empty-icon{
  width:64px;height:64px;border-radius:18px;background:rgba(79,195,184,.14);
  border:1px solid rgba(79,195,184,.4);margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
}
.st-empty-icon svg{width:28px;height:28px;fill:none;stroke:var(--st-ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.st-empty h2{font-size:22px;margin-bottom:10px;}
.st-empty p{color:var(--st-text-2);max-width:520px;margin:0 auto 20px;}

/* 侧栏 */
.st-sidecard{
  background:var(--st-card);border:1px solid var(--st-line);
  border-radius:var(--st-r-card);box-shadow:var(--st-shadow);padding:22px;
}
.st-sidecard h3{font-size:17px;margin-bottom:6px;}
.st-sidecard .st-side-sub{font-size:13px;color:var(--st-text-2);margin-bottom:16px;}
.st-side-list{display:flex;flex-direction:column;gap:10px;}
.st-side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:12px;border:1px solid var(--st-line);
  background:var(--st-bg);font-size:14px;font-weight:600;color:var(--st-ink);
  min-height:44px;
}
.st-side-link:hover{border-color:var(--st-gold);background:#fff;color:var(--st-ink-2);}
.st-side-link span.st-arrow{color:var(--st-gold);font-weight:700;}
.st-side-note{font-size:13px;color:var(--st-text-2);line-height:1.7;margin:14px 0 0;}
.st-side-card-dark{
  background:var(--st-ink);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--st-r-card);padding:22px;color:rgba(255,255,255,.82);
}
.st-side-card-dark h3{color:#fff;font-size:17px;margin-bottom:8px;}
.st-side-card-dark p{font-size:13px;line-height:1.75;margin:0 0 16px;color:rgba(255,255,255,.75);}
.st-side-card-dark .st-btn-primary{background:#fff;color:var(--st-ink);border-color:#fff;}
.st-side-card-dark .st-btn-primary:hover{background:var(--st-gold);border-color:var(--st-gold);color:var(--st-ink);}

/* 相关推荐 */
.st-related{padding-bottom:var(--st-sec);}
.st-related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.st-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.st-card{
  display:flex;flex-direction:column;background:var(--st-card);
  border:1px solid var(--st-line);border-radius:var(--st-r-card);
  box-shadow:var(--st-shadow);overflow:hidden;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-card:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-hover);}
.st-card-cover{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--st-line);}
.st-card-cover img{width:100%;height:100%;object-fit:cover;}
.st-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.st-card-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.st-card-body p{font-size:14px;line-height:1.75;color:var(--st-text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.st-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px;font-size:12px;color:var(--st-text-2);font-variant-numeric:tabular-nums;}

/* 页脚 */
.st-footer{
  background:var(--st-ink);color:rgba(255,255,255,.78);position:relative;
  border-top:1px solid rgba(242,169,59,.5);
  padding:64px 0 24px;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  background-position:0 0;
}
.st-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:200px;
  background:linear-gradient(180deg,rgba(36,27,75,.94),rgba(36,27,75,.99));
  pointer-events:none;
}
.st-footer-inner{position:relative;z-index:1;}
.st-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.st-footer-logo{display:flex;flex-direction:column;line-height:1.1;margin-bottom:14px;}
.st-footer-logo b{font-size:19px;color:#fff;letter-spacing:.02em;}
.st-footer-logo span{font-size:12px;color:rgba(255,255,255,.7);letter-spacing:.04em;}
.st-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}
.st-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.st-footer-links{display:flex;flex-direction:column;gap:10px;}
.st-footer-links a{color:rgba(255,255,255,.76);font-size:14px;min-height:24px;display:inline-block;}
.st-footer-links a:hover{color:var(--st-gold);}
.st-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.st-footer-bottom a{color:rgba(255,255,255,.72);}
.st-footer-bottom a:hover{color:var(--st-gold);}

/* 响应式 */
@media screen and (max-width:1279px){
  :root{--st-sec:72px;}
}
@media screen and (max-width:1023px){
  :root{--st-sec:64px;}
  .st-burger{display:flex;}
  .st-navlinks{
    display:none;
    position:absolute;left:20px;right:20px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--st-line-2);border-radius:var(--st-r-card);
    box-shadow:0 16px 34px rgba(36,27,75,.14);padding:14px;z-index:70;
  }
  .st-navlinks.is-open{display:flex;}
  .st-navitem{justify-content:flex-start;min-height:44px;padding:10px 12px;}
  .st-mobile-cta{display:inline-flex;margin-top:8px;width:100%;}
  .st-navactions .st-btn{display:none;}
  .st-header{position:sticky;top:0;padding-top:10px;background:linear-gradient(180deg,var(--st-bg) 72%,rgba(247,245,242,0));}
  .st-navcard{position:relative;}
  .st-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .st-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .st-article-card{padding:26px;}
  .st-content-card{padding:26px;}
}
@media screen and (max-width:767px){
  .st-article-title{font-size:clamp(26px,7vw,32px);}
  .st-layout{padding-top:20px;}
  .st-card-grid{grid-template-columns:1fr;}
  .st-related-head{margin-bottom:20px;}
}
@media screen and (max-width:519px){
  :root{--st-sec:48px;}
  .st-container{padding-left:16px;padding-right:16px;}
  .st-navcard{padding:8px 10px;gap:10px;}
  .st-logo-main{font-size:17px;}
  .st-logo-sub{font-size:11px;}
  .st-navlinks{left:16px;right:16px;}
  .st-article-card{padding:20px;}
  .st-content-card{padding:20px;}
  .st-prose{font-size:16px;}
  .st-prose h2{font-size:21px;}
  .st-prose h3{font-size:18px;}
  .st-btn{width:100%;}
  .st-actions{flex-direction:column;}
  .st-footer-grid{grid-template-columns:1fr;}
  .st-footer-bottom{flex-direction:column;}
  .st-crumb .is-current{max-width:70vw;}
}

/* roulang page: category1 */
:root{
  --st-ink:#241B4B;
  --st-ink-2:#3A2A6E;
  --st-gold:#F2A93B;
  --st-jade:#4FC3B8;
  --st-bg:#F7F5F2;
  --st-card:#FFFFFF;
  --st-line:#ECE7F6;
  --st-line-2:#D9D2EC;
  --st-text:#2A2438;
  --st-text-2:#6B6580;
  --st-ok:#2E9E75;
  --st-warn:#C4552F;
  --st-r-card:16px;
  --st-r-img:12px;
  --st-r-btn:10px;
  --st-r-badge:6px;
  --st-shadow:0 1px 2px rgba(36,27,75,.05),0 10px 24px rgba(36,27,75,.06);
  --st-shadow-lg:0 2px 4px rgba(36,27,75,.06),0 18px 40px rgba(36,27,75,.10);
  --st-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--st-bg);
  color:var(--st-text);
  font-family:var(--st-font);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--st-r-img);border:1px solid var(--st-line);object-fit:cover;}
a{color:var(--st-ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--st-ink-2);}
button,input,select,textarea{font-family:inherit;font-size:16px;line-height:1.5;}
h1,h2,h3,h4{margin:0;color:var(--st-ink);font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;font-weight:700;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(242,169,59,.35);}

:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ============ 通用元素 ============ */
.st-section{padding:88px 0;}
.st-section-tight{padding:64px 0;}
.st-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;line-height:1.6;color:var(--st-text-2);font-weight:600;
}
.st-kicker::before{content:"";width:48px;height:1px;background:var(--st-gold);opacity:.65;}
.st-h2-block{max-width:760px;margin-bottom:40px;}
.st-h2-block p{color:var(--st-text-2);font-size:16.5px;margin:12px 0 0;}
.st-lead{color:var(--st-text-2);font-size:16.5px;max-width:760px;}
.st-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--st-r-badge);
  background:rgba(36,27,75,.07);color:var(--st-ink);
  font-size:12px;font-weight:600;line-height:1.6;white-space:nowrap;
}
.st-badge-gold{background:rgba(242,169,59,.16);color:#8A5A12;}
.st-badge-jade{background:rgba(79,195,184,.16);color:#1F6E66;}
.st-num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--st-r-btn);
  font-size:15.5px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.st-btn-primary{background:var(--st-ink);color:#fff;box-shadow:0 6px 16px rgba(36,27,75,.18);}
.st-btn-primary:hover{background:var(--st-ink-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(36,27,75,.24);}
.st-btn-primary:active{transform:translateY(0);background:#1C1440;}
.st-btn-ghost{background:#fff;color:var(--st-ink);border-color:var(--st-line-2);}
.st-btn-ghost:hover{border-color:var(--st-gold);color:var(--st-ink-2);transform:translateY(-1px);}
.st-btn-ghost:active{transform:translateY(0);}
.st-btn-text{
  height:44px;padding:0 4px;color:var(--st-ink);
  border-bottom:2px solid var(--st-gold);border-radius:0;font-weight:600;
}
.st-btn-text:hover{color:var(--st-ink-2);border-bottom-color:var(--st-ink-2);}
.st-btn-sm{height:44px;padding:0 20px;font-size:15px;}
.st-btn[disabled],.st-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 导航 ============ */
.st-header{
  position:sticky;top:12px;z-index:60;
  padding:0 20px;
}
.st-navcard{
  position:relative;
  max-width:1160px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  background:var(--st-card);
  border:1px solid var(--st-line-2);
  border-radius:var(--st-r-card);
  padding:10px 16px;
  box-shadow:inset 0 -1px 0 rgba(36,27,75,.04),0 8px 24px rgba(36,27,75,.07);
}
.st-logo{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.st-logo-main{font-size:19px;font-weight:700;color:var(--st-ink);}
.st-logo-sub{font-size:12px;font-weight:600;color:var(--st-text-2);letter-spacing:.02em;}
.st-navlinks{display:flex;align-items:center;gap:6px;margin-left:auto;}
.st-navitem{
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 14px;border-radius:12px;
  color:var(--st-text);font-size:15px;font-weight:600;
  border-bottom:2px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.st-navitem svg{
  width:19px;height:19px;flex:0 0 auto;
  fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
  padding:6px;box-sizing:content-box;border-radius:8px;
  background:rgba(79,195,184,.0);
  transition:background-color .2s ease;
}
.st-navitem:hover{color:var(--st-ink-2);background:rgba(36,27,75,.04);}
.st-navitem:hover svg{background:rgba(79,195,184,.12);}
.st-navitem.is-active{background:rgba(36,27,75,.06);color:var(--st-ink);border-bottom-color:var(--st-gold);}
.st-navitem.is-active svg{background:rgba(79,195,184,.16);}
.st-navactions{display:flex;align-items:center;gap:10px;margin-left:6px;}
.st-mobile-cta{display:none;}
.st-burger{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--st-line-2);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.st-burger span{display:block;width:18px;height:2px;background:var(--st-ink);position:relative;border-radius:2px;}
.st-burger span::before,.st-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--st-ink);border-radius:2px;
  transition:transform .2s ease;
}
.st-burger span::before{top:-6px;}
.st-burger span::after{top:6px;}

/* ============ 面包屑 ============ */
.st-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;line-height:1.7;}
.st-crumb a{color:rgba(255,255,255,.78);}
.st-crumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--st-gold);text-underline-offset:4px;}
.st-crumb span{color:rgba(255,255,255,.5);}
.st-crumb strong{color:#fff;font-weight:600;}

/* ============ Banner ============ */
.st-banner{
  position:relative;
  min-height:clamp(280px,36vh,360px);
  display:flex;align-items:center;
  padding:56px 0 52px;
  background-image:
    linear-gradient(90deg,rgba(36,27,75,.90) 0%,rgba(36,27,75,.72) 48%,rgba(36,27,75,.52) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.st-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.20) 1px,transparent 1px);
  background-size:34px 34px;opacity:.5;
}
.st-banner .grid-container{position:relative;z-index:2;}
.st-banner h1{color:#fff;margin:18px 0 14px;max-width:20em;}
.st-banner p{color:rgba(255,255,255,.84);max-width:660px;margin:0;font-size:16.5px;}
.st-banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.st-banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--st-r-badge);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:13.5px;font-weight:600;
}
.st-banner-tag i{width:6px;height:6px;border-radius:50%;background:var(--st-gold);display:block;font-style:normal;}

/* ============ 阶梯步骤 ============ */
.st-ladder{max-width:960px;}
.st-step{position:relative;}
.st-step-card{
  display:flex;gap:22px;align-items:flex-start;
  background:var(--st-card);
  border:1px solid var(--st-line);
  border-radius:var(--st-r-card);
  padding:28px 30px;
  box-shadow:var(--st-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-step-card:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-lg);}
.st-step-num{
  flex:0 0 auto;width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(36,27,75,.06);
  border:1px solid var(--st-line-2);
  color:var(--st-ink);font-weight:700;font-size:17px;
  font-variant-numeric:tabular-nums;
  position:relative;
}
.st-step-num::after{
  content:"";position:absolute;left:11px;right:11px;bottom:6px;height:2px;
  background:var(--st-gold);opacity:.85;border-radius:2px;
}
.st-step-body h3{margin-bottom:8px;}
.st-step-body p{color:var(--st-text-2);margin-bottom:14px;font-size:16px;}
.st-step-list li{
  position:relative;padding-left:22px;margin-bottom:8px;
  color:var(--st-text);font-size:15.5px;line-height:1.8;
}
.st-step-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:9px;height:5px;
  border-left:2px solid var(--st-gold);border-bottom:2px solid var(--st-gold);
  transform:rotate(-45deg);
}
.st-step-foot{margin-top:18px;}
.st-step-link{
  height:34px;margin-left:52px;
  border-left:1px dashed rgba(242,169,59,.8);
  position:relative;
}
.st-step-link::after{
  content:"";position:absolute;left:-3.5px;bottom:0;
  width:7px;height:7px;
  border-right:1.5px solid var(--st-gold);
  border-bottom:1.5px solid var(--st-gold);
  transform:rotate(45deg);
}
.st-step-note{
  display:inline-flex;align-items:center;gap:8px;
  margin-left:14px;font-size:13px;color:var(--st-text-2);
}
.st-step-note i{width:6px;height:6px;border-radius:50%;background:var(--st-jade);display:block;font-style:normal;}

/* ============ 对照表 ============ */
.st-table-wrap{
  background:var(--st-card);
  border:1px solid var(--st-line);
  border-radius:var(--st-r-card);
  box-shadow:var(--st-shadow);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.st-table{width:100%;min-width:760px;border-collapse:collapse;margin:0;}
.st-table thead th{
  position:sticky;top:0;z-index:2;
  background:#F3EFFB;
  color:var(--st-ink);font-size:14.5px;font-weight:700;text-align:left;
  padding:16px 20px;border-bottom:1px solid var(--st-line-2);
  white-space:nowrap;
}
.st-table tbody th{
  text-align:left;font-weight:600;color:var(--st-ink);font-size:15px;
  padding:18px 20px;border-bottom:1px solid var(--st-line);
  background:#FAF8FD;width:180px;
}
.st-table tbody td{
  padding:18px 20px;border-bottom:1px solid var(--st-line);
  font-size:15.5px;color:var(--st-text);line-height:1.75;vertical-align:top;
  min-height:52px;
}
.st-table tbody tr:last-child th,.st-table tbody tr:last-child td{border-bottom:0;}
.st-table tbody tr:hover td{background:rgba(242,169,59,.05);}
.st-table-hint{margin-top:12px;font-size:12.5px;color:var(--st-text-2);}

/* ============ 通道卡（非等分） ============ */
.st-channel{
  background:var(--st-card);
  border:1px solid var(--st-line);
  border-radius:var(--st-r-card);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  box-shadow:var(--st-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-channel:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-lg);}
.st-channel-media{
  aspect-ratio:16/9;width:100%;
  object-fit:cover;border:0;border-bottom:1px solid var(--st-line);border-radius:0;
}
.st-channel-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.st-channel-body h3{margin:12px 0 10px;}
.st-channel-body p{color:var(--st-text-2);font-size:15.5px;margin-bottom:16px;}
.st-channel-list{margin-bottom:20px;}
.st-channel-list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--st-text);
  line-height:1.8;margin-bottom:6px;
}
.st-channel-list li::before{
  content:"";position:absolute;left:0;top:.75em;width:8px;height:4px;
  border-left:2px solid var(--st-jade);border-bottom:2px solid var(--st-jade);
  transform:rotate(-45deg);
}
.st-channel-foot{margin-top:auto;}
.st-channel-wide{background:linear-gradient(180deg,#FDFBF7 0%,#FFFFFF 60%);}

/* ============ 须知卡片 ============ */
.st-notice{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--st-card);
  border:1px solid var(--st-line);
  border-left:3px solid var(--st-gold);
  border-radius:var(--st-r-card);
  padding:22px 24px;
  height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-notice:hover{transform:translateY(-2px);box-shadow:var(--st-shadow);}
.st-notice-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:rgba(79,195,184,.14);
  display:flex;align-items:center;justify-content:center;
}
.st-notice-icon svg{width:20px;height:20px;fill:none;stroke:var(--st-ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.st-notice h3{font-size:17px;margin-bottom:6px;}
.st-notice p{margin:0;color:var(--st-text-2);font-size:15.5px;}

/* ============ FAQ ============ */
.st-faq{max-width:860px;}
.st-faq-item{
  background:var(--st-card);
  border:1px solid var(--st-line);
  border-radius:var(--st-r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:background-color .2s ease,border-color .2s ease;
}
.st-faq-item[open]{background:var(--st-bg);border-color:var(--st-line-2);}
.st-faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--st-ink);line-height:1.6;
}
.st-faq-item summary::-webkit-details-marker{display:none;}
.st-faq-item summary::marker{content:"";}
.st-faq-idx{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(242,169,59,.16);color:#8A5A12;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.st-faq-q{flex:1;}
.st-faq-icon{
  flex:0 0 auto;position:relative;width:18px;height:18px;
  transition:transform .2s ease;
}
.st-faq-icon::before,.st-faq-icon::after{
  content:"";position:absolute;background:var(--st-ink);border-radius:2px;
}
.st-faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.st-faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.st-faq-item[open] .st-faq-icon{transform:rotate(45deg);}
.st-faq-a{padding:0 22px 22px 70px;border-top:1px solid var(--st-line);}
.st-faq-a p{margin:16px 0 0;color:var(--st-text-2);font-size:16px;line-height:1.85;}

/* ============ 底部 CTA 单卡 ============ */
.st-cta-card{
  position:relative;
  background:var(--st-card);
  border:1px solid var(--st-line-2);
  border-radius:var(--st-r-card);
  padding:48px 44px;
  box-shadow:var(--st-shadow);
  overflow:hidden;
}
.st-cta-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--st-gold) 0%,rgba(242,169,59,.25) 60%,transparent 100%);
}
.st-cta-card h2{margin-bottom:14px;}
.st-cta-card p{color:var(--st-text-2);max-width:640px;margin-bottom:26px;}
.st-cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.st-cta-meta{
  display:flex;flex-wrap:wrap;gap:24px;margin-top:30px;padding-top:24px;
  border-top:1px solid var(--st-line);
}
.st-cta-meta div{min-width:120px;}
.st-cta-meta strong{
  display:block;color:var(--st-ink);font-size:clamp(20px,2.4vw,26px);
  font-weight:700;font-variant-numeric:tabular-nums;line-height:1.3;
}
.st-cta-meta span{font-size:13.5px;color:var(--st-text-2);}

/* ============ 页脚 ============ */
.st-footer{
  position:relative;
  background:var(--st-ink);
  color:rgba(255,255,255,.78);
  margin-top:88px;
  border-top:1px solid rgba(242,169,59,.4);
}
.st-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:180px;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:32px 32px;opacity:.6;
}
.st-footer-inner{position:relative;z-index:2;padding:64px 0 28px;}
.st-footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
}
.st-footer-logo{display:flex;flex-direction:column;line-height:1.2;margin-bottom:16px;}
.st-footer-logo b{color:#fff;font-size:19px;font-weight:700;}
.st-footer-logo span{color:rgba(255,255,255,.68);font-size:12.5px;font-weight:600;letter-spacing:.02em;}
.st-footer p{color:rgba(255,255,255,.68);font-size:14.5px;line-height:1.85;margin:0;max-width:420px;}
.st-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.st-footer-links li{margin-bottom:10px;}
.st-footer-links a{
  color:rgba(255,255,255,.74);font-size:14.5px;line-height:1.7;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.st-footer-links a:hover{color:#fff;border-bottom-color:var(--st-gold);}
.st-footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(242,169,59,.35);
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.st-footer-bottom a{color:rgba(255,255,255,.74);}
.st-footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .st-navcard{max-width:100%;}
  .st-navitem{padding:0 11px;font-size:14.5px;}
}
@media screen and (max-width:1023px){
  .st-section{padding:64px 0;}
  .st-section-tight{padding:48px 0;}
  .st-h2-block{margin-bottom:32px;}
  .st-navlinks{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--st-line-2);border-radius:var(--st-r-card);
    padding:14px;box-shadow:var(--st-shadow-lg);margin-left:0;
  }
  .st-navlinks.is-open{display:flex;}
  .st-navitem{height:52px;justify-content:flex-start;border-bottom:0;border-left:2px solid transparent;}
  .st-navitem.is-active{border-bottom:0;border-left-color:var(--st-gold);}
  .st-mobile-cta{display:inline-flex;width:100%;margin-top:8px;}
  .st-navactions .st-btn-primary{display:none;}
  .st-burger{display:inline-flex;}
  .st-navactions{margin-left:auto;}
  .st-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .st-step-card{padding:22px 20px;gap:16px;}
  .st-step-num{width:44px;height:44px;border-radius:12px;font-size:15px;}
  .st-step-link{margin-left:22px;height:28px;}
  .st-faq-a{padding:0 20px 20px 20px;}
  .st-faq-item summary{padding:18px 18px;font-size:16px;gap:12px;}
  .st-cta-card{padding:32px 22px;}
  .st-footer-inner{padding:48px 0 24px;}
  .st-footer-grid{grid-template-columns:1fr;gap:28px;}
  .st-footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  body{font-size:16px;}
  .st-header{top:8px;padding:0 12px;}
  .st-navcard{padding:10px 12px;border-radius:14px;}
  .st-logo-main{font-size:17px;}
  .st-banner{padding:40px 0 38px;}
  .st-banner h1{font-size:clamp(26px,7.6vw,34px);}
  .st-section{padding:48px 0;}
  .st-btn{height:48px;width:100%;}
  .st-cta-actions{flex-direction:column;align-items:stretch;}
  .st-btn-text{width:auto;justify-content:flex-start;padding:0;}
  .st-table tbody th{width:132px;padding:14px;}
  .st-table tbody td{padding:14px;font-size:15px;}
}

/* roulang page: category2 */
:root{
  --st-ink:#241B4B;
  --st-ink-2:#3A2A6E;
  --st-gold:#F2A93B;
  --st-jade:#4FC3B8;
  --st-bg:#F7F5F2;
  --st-card:#FFFFFF;
  --st-line:#ECE7F6;
  --st-line-2:#D9D2EC;
  --st-text:#2A2438;
  --st-text-2:#6B6580;
  --st-ok:#2E9E75;
  --st-warn:#C4552F;
  --st-r-card:16px;
  --st-r-img:12px;
  --st-r-btn:10px;
  --st-r-badge:6px;
  --st-shadow:0 1px 2px rgba(36,27,75,.05), 0 10px 24px rgba(36,27,75,.06);
  --st-shadow-hover:0 2px 4px rgba(36,27,75,.08), 0 16px 34px rgba(36,27,75,.11);
  --st-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--st-bg);
  color:var(--st-text);
  font-family:var(--st-font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--st-ink);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--st-ink-2)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;color:var(--st-ink);font-weight:700;letter-spacing:.01em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px}

.grid-container{max-width:1240px;padding-left:20px;padding-right:20px}

/* ---------- 通用 ---------- */
.st-section{padding:88px 0}
.st-section-tight{padding:64px 0}
.st-sec-head{max-width:760px;margin-bottom:48px}
.st-sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:14px}
.st-sec-head p{color:var(--st-text-2);font-size:16px;line-height:1.85;margin:0}
.st-kicker{display:inline-block;font-size:12px;line-height:1.6;color:var(--st-ink-2);background:rgba(36,27,75,.06);border-radius:var(--st-r-badge);padding:4px 10px;margin-bottom:16px}
.st-rule{display:block;width:48px;height:1px;background:rgba(242,169,59,.6);border:0;margin:0 0 24px}

/* ---------- 按钮 ---------- */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--st-r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease,color .2s ease;
}
.st-btn-sm{height:42px;padding:0 18px;font-size:14px}
.st-btn-primary{background:var(--st-ink);color:#fff;border-color:var(--st-ink)}
.st-btn-primary:hover{background:var(--st-ink-2);border-color:var(--st-ink-2);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(36,27,75,.22)}
.st-btn-primary:active{transform:translateY(0);box-shadow:none}
.st-btn-ghost{background:#fff;color:var(--st-ink);border-color:var(--st-line-2)}
.st-btn-ghost:hover{border-color:var(--st-gold);color:var(--st-ink)}
.st-btn-text{height:auto;padding:0 0 3px;color:var(--st-ink);font-weight:600;border:0;border-bottom:2px solid var(--st-gold);border-radius:0}
.st-btn-text:hover{color:var(--st-ink-2)}
.st-btn:disabled,.st-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.st-btnrow{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 导航 ---------- */
.st-header{position:sticky;top:12px;z-index:60;max-width:1280px;margin:0 auto;padding:12px 20px 0}
.st-navcard{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:#fff;border:1px solid var(--st-line);border-radius:var(--st-r-card);
  padding:10px 14px;box-shadow:inset 0 1px 0 #fff, 0 8px 22px rgba(36,27,75,.07);
}
.st-logo{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.st-logo-main{font-size:17px;font-weight:700;color:var(--st-ink);letter-spacing:.02em}
.st-logo-sub{font-size:12px;font-weight:600;color:var(--st-text-2);letter-spacing:.02em}
.st-navlinks{display:flex;align-items:center;gap:6px}
.st-navitem{
  display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--st-r-btn);
  font-size:14px;font-weight:500;color:var(--st-text-2);
  border:1px solid transparent;box-shadow:inset 0 -2px 0 transparent;
}
.st-navitem svg{width:20px;height:20px;padding:3px;border-radius:6px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:background-color .2s ease}
.st-navitem:hover{color:var(--st-ink);background:rgba(36,27,75,.04)}
.st-navitem:hover svg{background:rgba(79,195,184,.14)}
.st-navitem.is-active{color:var(--st-ink);background:rgba(36,27,75,.07);box-shadow:inset 0 -2px 0 var(--st-gold)}
.st-navactions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.st-burger{
  display:none;width:44px;height:44px;border-radius:var(--st-r-btn);
  border:1px solid var(--st-line-2);background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.st-burger span{display:block;width:18px;height:2px;background:var(--st-ink);position:relative}
.st-burger span::before,.st-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--st-ink)}
.st-burger span::before{top:-6px}
.st-burger span::after{top:6px}
.st-mobile-cta{display:none}

/* ---------- 页头 ---------- */
.st-pagehead{padding:52px 0 0}
.st-crumbrow{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:32px}
.st-crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;line-height:1.7;color:var(--st-text-2)}
.st-crumb li{display:flex;align-items:center;gap:8px}
.st-crumb li+li::before{content:"/";color:var(--st-line-2)}
.st-crumb a{color:var(--st-text-2)}
.st-crumb a:hover{color:var(--st-ink);text-decoration:underline;text-decoration-color:rgba(242,169,59,.8);text-underline-offset:4px}
.st-crumb [aria-current]{color:var(--st-ink);font-weight:600}
.st-backlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--st-ink);border-bottom:2px solid var(--st-gold);padding-bottom:3px}
.st-pagehead h1{font-size:clamp(30px,4.4vw,46px);line-height:1.2;margin-bottom:18px}
.st-lead{font-size:17px;line-height:1.85;color:var(--st-text-2);max-width:760px}
.st-metarow{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.st-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1.6;
  padding:5px 10px;border-radius:var(--st-r-badge);background:#fff;border:1px solid var(--st-line);color:var(--st-text-2);
}
.st-chip b{font-weight:700;color:var(--st-ink);font-variant-numeric:tabular-nums}
.st-headpic{
  margin:0;background:#fff;border:1px solid var(--st-line);border-radius:var(--st-r-card);
  padding:10px;box-shadow:var(--st-shadow);
}
.st-headpic img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--st-r-img);border:1px solid var(--st-line)}
.st-headpic figcaption{font-size:12px;line-height:1.6;color:var(--st-text-2);padding:10px 4px 2px}

/* ---------- 时间轴 ---------- */
.st-timeline{position:relative;padding-left:36px;margin-top:8px}
.st-timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--st-gold) 0%,rgba(242,169,59,.35) 60%,rgba(242,169,59,.08) 100%);
}
.st-step{position:relative;padding-bottom:36px}
.st-step:last-child{padding-bottom:0}
.st-step-dot{
  position:absolute;left:-36px;top:8px;width:15px;height:15px;border-radius:50%;
  background:#fff;border:2px solid var(--st-gold);
}
.st-step-body{
  background:var(--st-card);border:1px solid var(--st-line);border-radius:var(--st-r-card);
  padding:26px 28px;box-shadow:var(--st-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-step-body:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-hover)}
.st-step-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.st-step-no{font-size:12px;font-weight:700;color:var(--st-ink);background:rgba(36,27,75,.07);border-radius:var(--st-r-badge);padding:4px 10px;font-variant-numeric:tabular-nums}
.st-step-body h3{font-size:20px;line-height:1.45}
.st-step-body p{color:var(--st-text-2);margin-bottom:16px;max-width:760px}
.st-pointlist li{position:relative;padding-left:22px;font-size:15px;line-height:1.85;color:var(--st-text)}
.st-pointlist li+li{margin-top:8px}
.st-pointlist li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:rgba(242,169,59,.85);transform:rotate(45deg);
}

/* ---------- 图文卡 2×2 ---------- */
.st-cardgrid{margin-top:8px}
.st-infocard{
  height:100%;background:var(--st-card);border:1px solid var(--st-line);border-radius:var(--st-r-card);
  overflow:hidden;box-shadow:var(--st-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-infocard:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-hover)}
.st-infocard img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--st-line)}
.st-infocard-body{padding:24px 26px 28px}
.st-infocard h3{font-size:20px;line-height:1.45;margin-bottom:10px}
.st-infocard p{color:var(--st-text-2);font-size:15px;line-height:1.85;margin:0}
.st-tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.st-tag{font-size:12px;line-height:1.6;padding:3px 8px;border-radius:var(--st-r-badge);background:rgba(79,195,184,.12);color:#2C7A72}

/* ---------- 深色状态条 ---------- */
.st-strip{
  position:relative;background:var(--st-ink);border-radius:var(--st-r-card);overflow:hidden;
  padding:32px 34px;color:#fff;
  box-shadow:inset 0 0 0 1px rgba(242,169,59,.22);
}
.st-strip::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.st-strip-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.st-strip h2{color:#fff;font-size:22px;line-height:1.4;margin-bottom:6px}
.st-strip p{color:rgba(255,255,255,.76);font-size:14px;line-height:1.7;margin:0}
.st-countdown{display:flex;align-items:center;gap:10px;margin-top:14px}
.st-count-box{
  min-width:56px;background:rgba(255,255,255,.08);border:1px solid rgba(242,169,59,.4);
  border-radius:var(--st-r-badge);padding:8px 10px;text-align:center;
}
.st-count-box b{display:block;font-size:22px;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.st-count-box span{display:block;font-size:11px;line-height:1.6;color:rgba(255,255,255,.62)}
.st-count-sep{color:rgba(242,169,59,.8);font-weight:700}
.st-strip-actions{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.st-strip .st-btn-primary{background:var(--st-gold);border-color:var(--st-gold);color:#241B4B}
.st-strip .st-btn-primary:hover{background:#E79B26;border-color:#E79B26;color:#241B4B}
.st-strip-note{font-size:12px;line-height:1.6;color:rgba(255,255,255,.6)}

/* ---------- FAQ ---------- */
.st-faq{max-width:860px}
.st-faq-item{background:var(--st-card);border:1px solid var(--st-line);border-radius:var(--st-r-card);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,background-color .2s ease}
.st-faq-item[open]{background:var(--st-bg);border-color:var(--st-line-2)}
.st-faq-item summary{
  display:flex;align-items:flex-start;gap:14px;cursor:pointer;list-style:none;
  padding:20px 24px;font-size:17px;font-weight:600;line-height:1.6;color:var(--st-ink);
}
.st-faq-item summary::-webkit-details-marker{display:none}
.st-faq-no{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--st-ink);font-variant-numeric:tabular-nums;
  background:rgba(242,169,59,.18);border-radius:var(--st-r-badge);padding:3px 8px;
}
.st-faq-icon{margin-left:auto;flex:0 0 auto;width:18px;height:18px;position:relative;transition:transform .25s ease}
.st-faq-icon::before,.st-faq-icon::after{content:"";position:absolute;background:var(--st-gold);border-radius:2px}
.st-faq-icon::before{left:0;top:8px;width:18px;height:2px}
.st-faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:transform .25s ease,opacity .25s ease}
.st-faq-item[open] .st-faq-icon::after{transform:scaleY(0);opacity:0}
.st-faq-answer{padding:0 24px 22px 62px;font-size:16px;line-height:1.85;color:var(--st-text-2)}

/* ---------- CTA ---------- */
.st-ctacard{
  background:var(--st-card);border:1px solid var(--st-line);border-radius:var(--st-r-card);
  padding:40px 42px;box-shadow:var(--st-shadow);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.st-ctacard h2{font-size:clamp(20px,2.4vw,26px);line-height:1.4;margin-bottom:10px}
.st-ctacard p{color:var(--st-text-2);font-size:15px;line-height:1.85;margin:0;max-width:600px}
.st-ctacard-actions{display:flex;gap:14px;flex-wrap:wrap}
.st-subnote{margin-top:18px;font-size:13px;line-height:1.7;color:var(--st-text-2)}

/* ---------- 页脚 ---------- */
.st-footer{
  position:relative;background:var(--st-ink);color:rgba(255,255,255,.78);margin-top:88px;
  border-top:1px solid rgba(242,169,59,.45);
}
.st-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:180px;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
  background-size:28px 28px;opacity:.45;pointer-events:none;
}
.st-footer-inner{position:relative;padding:64px 20px 28px}
.st-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.st-footer-logo{display:flex;flex-direction:column;line-height:1.2;margin-bottom:16px}
.st-footer-logo b{font-size:18px;color:#fff;font-weight:700}
.st-footer-logo span{font-size:12px;color:rgba(242,169,59,.9);font-weight:600}
.st-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:0}
.st-footer h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:600}
.st-footer-links li{margin-bottom:10px}
.st-footer-links a{font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.st-footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:rgba(242,169,59,.85);text-underline-offset:4px}
.st-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;line-height:1.7;color:rgba(255,255,255,.6);
}
.st-footer-bottom a{color:rgba(255,255,255,.72)}
.st-footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .st-navlinks{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;background:#fff;
    border:1px solid var(--st-line);border-radius:var(--st-r-card);padding:12px;
    box-shadow:var(--st-shadow);
  }
  .st-navlinks.is-open{display:flex}
  .st-navitem{width:100%;padding:11px 12px;font-size:15px}
  .st-burger{display:inline-flex}
  .st-navactions .st-btn{display:none}
  .st-mobile-cta{display:inline-flex;width:100%;margin-top:8px}
  .st-section{padding:64px 0}
  .st-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .st-pagehead{padding-top:32px}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px}
  .st-header{padding:10px 12px 0;top:8px}
  .st-section{padding:48px 0; }
  .st-sec-head{margin-bottom:32px}
  .st-btn{height:46px;padding:0 20px;font-size:15px;width:100%}
  .st-btnrow .st-btn{width:100%}
  .st-btn-text{width:auto}
  .st-step-body{padding:20px 18px}
  .st-timeline{padding-left:28px}
  .st-step-dot{left:-28px;width:13px;height:13px}
  .st-timeline::before{left:6px}
  .st-faq-item summary{padding:16px 16px;font-size:16px}
  .st-faq-answer{padding:0 16px 18px 16px}
  .st-ctacard{padding:26px 20px}
  .st-ctacard-actions{width:100%}
  .st-strip{padding:24px 20px}
  .st-count-box{min-width:50px;padding:6px 8px}
  .st-count-box b{font-size:18px}
  .st-footer-inner{padding:48px 16px 24px}
  .st-footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (min-width:1280px){
  .st-navcard{padding:12px 20px}
}

/* roulang page: category3 */
:root{
  --st-ink:#241B4B;
  --st-ink-2:#3A2A6E;
  --st-gold:#F2A93B;
  --st-jade:#4FC3B8;
  --st-bg:#F7F5F2;
  --st-card:#FFFFFF;
  --st-line:#ECE7F6;
  --st-line-2:#D9D2EC;
  --st-text:#2A2438;
  --st-text-2:#6B6580;
  --st-ok:#2E9E75;
  --st-warn:#C4552F;
  --st-r-card:16px;
  --st-r-img:12px;
  --st-r-btn:10px;
  --st-r-badge:6px;
  --st-shadow:0 1px 2px rgba(36,27,75,.05),0 10px 24px rgba(36,27,75,.06);
  --st-shadow-lg:0 2px 6px rgba(36,27,75,.08),0 18px 36px rgba(36,27,75,.10);
  --st-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--st-bg);
  color:var(--st-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;border:1px solid var(--st-line);border-radius:var(--st-r-img)}
figure{margin:0}
h1,h2,h3,h4{margin:0;color:var(--st-ink);font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.45}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--st-ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--st-ink-2)}
button{font:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--st-gold);outline-offset:2px;border-radius:6px}

.st-container{max-width:var(--st-max);margin:0 auto;padding-left:20px;padding-right:20px}

/* ========== 顶部卡片导航 ========== */
.st-header{position:sticky;top:12px;z-index:80;padding:12px 20px 0}
.st-navcard{
  max-width:var(--st-max);margin:0 auto;background:#fff;
  border:1px solid var(--st-line);border-radius:16px;
  display:flex;align-items:center;gap:16px;padding:10px 14px;
  box-shadow:inset 0 0 0 1px rgba(36,27,75,.02),0 8px 22px rgba(36,27,75,.07);
}
.st-logo{display:flex;flex-direction:column;line-height:1.05;flex:0 0 auto;padding:4px 14px 4px 2px;border-right:1px solid var(--st-line)}
.st-logo-main{font-size:19px;font-weight:700;color:var(--st-ink);letter-spacing:.02em}
.st-logo-sub{font-size:13px;font-weight:600;color:var(--st-text-2);letter-spacing:.02em;transition:color .2s ease}
.st-logo:hover .st-logo-sub{color:var(--st-jade)}
.st-navlinks{display:flex;align-items:center;gap:6px;margin-left:auto}
.st-navitem{
  display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:12px;
  border:1px solid transparent;font-size:15px;font-weight:600;color:var(--st-text-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.st-navitem svg{
  width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;padding:4px;box-sizing:content-box;
  border-radius:9px;background:rgba(79,195,184,.12);transition:background-color .2s ease;
}
.st-navitem:hover{color:var(--st-ink);background:#F7F5F2}
.st-navitem:hover svg{background:rgba(79,195,184,.22)}
.st-navitem.is-active{
  color:var(--st-ink);background:rgba(36,27,75,.06);
  border-color:var(--st-line-2);box-shadow:inset 0 -2px 0 var(--st-gold);
}
.st-navactions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.st-mobile-cta{display:none}
.st-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--st-line-2);
  background:#fff;position:relative;padding:0;
}
.st-burger span,.st-burger span::before,.st-burger span::after{
  position:absolute;left:12px;width:20px;height:2px;background:var(--st-ink);
  border-radius:2px;content:"";transition:transform .2s ease,background-color .2s ease;
}
.st-burger span{top:21px}
.st-burger span::before{top:-6px;left:0}
.st-burger span::after{top:6px;left:0}
.st-burger.is-open span{background:transparent}
.st-burger.is-open span::before{transform:translateY(6px) rotate(45deg)}
.st-burger.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ========== 按钮 / 链接 ========== */
.st-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--st-r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease,color .2s ease;
}
.st-btn-primary{background:var(--st-ink);color:#fff;border-color:var(--st-ink)}
.st-btn-primary:hover,.st-btn-primary:focus-visible{
  background:var(--st-ink-2);border-color:var(--st-ink-2);color:#fff;
  transform:translateY(-1px);box-shadow:0 10px 22px rgba(36,27,75,.18);
}
.st-btn-ghost{background:#fff;color:var(--st-ink);border-color:var(--st-line-2)}
.st-btn-ghost:hover{color:var(--st-ink-2);border-color:var(--st-gold);transform:translateY(-1px)}
.st-btn-sm{height:40px;padding:0 18px;font-size:15px}
.st-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.st-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--st-ink);
  border-bottom:2px solid rgba(242,169,59,.55);padding-bottom:3px;transition:color .2s ease,border-color .2s ease;
}
.st-link:hover{color:var(--st-ink-2);border-bottom-color:var(--st-gold)}

/* ========== 面包屑 / 首屏 ========== */
.st-hero{padding:48px 0 24px}
.st-breadcrumb{margin-bottom:26px}
.st-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px;color:var(--st-text-2)}
.st-breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.st-breadcrumb li+li::before{content:"/";color:var(--st-line-2)}
.st-breadcrumb a{color:var(--st-text-2)}
.st-breadcrumb a:hover{color:var(--st-ink);text-decoration:underline;text-decoration-color:var(--st-jade);text-underline-offset:3px}
.st-breadcrumb [aria-current]{color:var(--st-ink);font-weight:600}

.st-hero-grid{align-items:center}
.st-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
  color:var(--st-ink-2);margin-bottom:16px;
}
.st-eyebrow::before{content:"";width:48px;height:1px;background:rgba(242,169,59,.7)}
.st-hero h1{margin-bottom:20px}
.st-lede{font-size:17px;line-height:1.85;color:var(--st-text-2);max-width:44em}
.st-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.st-hero-media{margin-top:8px}
.st-hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--st-r-img);box-shadow:var(--st-shadow)}

.st-pills{display:flex;gap:10px;overflow-x:auto;margin-top:34px;padding:4px 2px 10px}
.st-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--st-line-2);background:#fff;font-size:14px;font-weight:600;color:var(--st-text-2);
  white-space:nowrap;transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.st-pill:hover{border-color:var(--st-gold);color:var(--st-ink);transform:translateY(-1px)}
.st-pill.is-on{background:var(--st-ink);border-color:var(--st-ink);color:#fff}

/* ========== 通用板块 ========== */
.st-section{padding:88px 0}
.st-section-tight{padding:48px 0 0}
.st-section-alt{background:#fff;border-top:1px solid var(--st-line);border-bottom:1px solid var(--st-line)}
.st-section-head{max-width:760px;margin-bottom:40px}
.st-section-head h2{margin-bottom:14px}
.st-section-head p{font-size:16px;color:var(--st-text-2);margin-bottom:0}

/* ========== 数据条 ========== */
.st-statbar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:#fff;
  border:1px solid var(--st-line);border-radius:var(--st-r-card);box-shadow:var(--st-shadow);padding:28px 24px;
}
.st-stat{display:flex;flex-direction:column;gap:6px;padding-left:18px;border-left:1px solid var(--st-line)}
.st-stat:first-child{border-left:0;padding-left:0}
.st-stat b{font-size:30px;line-height:1.1;font-weight:700;color:var(--st-ink);font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px}
.st-stat b em{font-size:15px;font-style:normal;font-weight:600;color:var(--st-text-2)}
.st-stat span{font-size:14px;line-height:1.7;color:var(--st-text-2)}

/* ========== 对照卡片 ========== */
.st-cmp-grid{align-items:stretch}
.st-cmp-card{
  height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--st-line);
  border-radius:var(--st-r-card);padding:28px 24px;box-shadow:var(--st-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.st-cmp-card:hover{transform:translateY(-2px);border-color:var(--st-line-2);box-shadow:var(--st-shadow-lg)}
.st-cmp-card.is-accent{background:linear-gradient(180deg,#fff 40%,#FAF7FF 100%);border-color:var(--st-line-2)}
.st-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--st-r-badge);
  background:rgba(36,27,75,.07);color:var(--st-ink);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.st-badge-jade{background:rgba(79,195,184,.16);color:#22706A}
.st-badge-gold{background:rgba(242,169,59,.18);color:#8A5A06}
.st-cmp-card h3{margin:16px 0 10px}
.st-cmp-card>p{font-size:15px;line-height:1.85;color:var(--st-text-2)}
.st-check{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.st-check li{display:flex;gap:10px;font-size:15px;line-height:1.7}
.st-check svg{flex:0 0 auto;width:18px;height:18px;margin-top:5px;fill:none;stroke:var(--st-gold);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.st-cmp-foot{margin-top:auto;padding-top:24px}

/* ========== FAQ ========== */
.st-faq{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--st-line);border-radius:var(--st-r-card);box-shadow:var(--st-shadow);padding:8px 24px 8px}
.st-faq-item{border-bottom:1px solid var(--st-line)}
.st-faq-item:last-child{border-bottom:0}
.st-faq-item summary{
  display:flex;align-items:flex-start;gap:14px;padding:22px 12px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--st-ink);border-radius:12px;
  transition:background-color .2s ease;
}
.st-faq-item summary::-webkit-details-marker{display:none}
.st-faq-idx{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--st-gold);font-variant-numeric:tabular-nums;padding-top:3px}
.st-plus{position:relative;flex:0 0 auto;width:16px;height:16px;margin-left:auto;margin-top:6px}
.st-plus::before,.st-plus::after{content:"";position:absolute;background:var(--st-ink);border-radius:2px;transition:transform .2s ease,background-color .2s ease}
.st-plus::before{left:0;top:7px;width:16px;height:2px}
.st-plus::after{top:0;left:7px;width:2px;height:16px}
.st-faq-item[open] summary{background:var(--st-bg)}
.st-faq-item[open] .st-plus::after{transform:scaleY(0)}
.st-faq-item[open] .st-plus::before{background:var(--st-gold)}
.st-faq-body{padding:0 12px 24px 46px;font-size:16px;line-height:1.9;color:var(--st-text)}

/* ========== 表单 ========== */
.st-form-card{
  max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--st-line);
  border-radius:var(--st-r-card);box-shadow:var(--st-shadow);padding:36px 32px;
}
.st-form-card h2{margin-bottom:12px}
.st-form-card>p{font-size:16px;color:var(--st-text-2)}
.st-form{display:grid;gap:20px;margin-top:28px}
.st-field{display:flex;flex-direction:column;gap:8px}
.st-label{font-size:14px;font-weight:600;color:var(--st-ink)}
.st-label i{font-style:normal;color:var(--st-warn);margin-left:4px}
.st-input,.st-textarea{
  width:100%;border:1px solid var(--st-line-2);border-radius:var(--st-r-btn);background:#fff;
  color:var(--st-text);font-family:inherit;font-size:16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.st-input{height:44px;padding:0 14px}
.st-textarea{min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical}
.st-input::placeholder,.st-textarea::placeholder{color:#A29CB8}
.st-input:focus,.st-textarea:focus{border-color:var(--st-gold);box-shadow:0 0 0 3px rgba(242,169,59,.16);outline:none}
.st-hint{font-size:13px;line-height:1.7;color:var(--st-text-2)}
.st-form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.st-form-msg{font-size:13px;color:var(--st-ok)}

/* ========== 页脚 ========== */
.st-footer{
  position:relative;background:var(--st-ink);color:#E7E3F4;padding:64px 0 28px;
  border-top:1px solid rgba(242,169,59,.5);overflow:hidden;
}
.st-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:180px;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:20px 20px;opacity:.7;pointer-events:none;
}
.st-footer-inner{position:relative;z-index:1}
.st-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.st-footer-logo{display:flex;flex-direction:column;line-height:1.15;margin-bottom:16px}
.st-footer-logo b{font-size:19px;color:#fff;letter-spacing:.02em}
.st-footer-logo span{font-size:13px;font-weight:600;color:rgba(255,255,255,.66)}
.st-footer p{font-size:14px;line-height:1.85;color:rgba(231,227,244,.72);max-width:34em}
.st-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.st-footer-links{display:flex;flex-direction:column;gap:10px}
.st-footer-links a{font-size:14px;color:rgba(231,227,244,.72);transition:color .2s ease}
.st-footer-links a:hover{color:var(--st-gold)}
.st-footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(231,227,244,.6);
}
.st-footer-bottom a{color:rgba(231,227,244,.75)}
.st-footer-bottom a:hover{color:var(--st-gold)}

/* ========== 响应式 ========== */
@media screen and (max-width:1023px){
  .st-section{padding:64px 0}
  .st-section-tight{padding:40px 0 0}
  .st-header{top:8px;padding:8px 14px 0}
  .st-navcard{position:relative;justify-content:space-between;gap:12px}
  .st-navlinks{
    position:absolute;left:0;right:0;top:calc(100% + 8px);display:none;
    flex-direction:column;align-items:stretch;gap:8px;margin-left:0;
    background:#fff;border:1px solid var(--st-line);border-radius:16px;padding:14px;
    box-shadow:var(--st-shadow-lg);
  }
  .st-navlinks.is-open{display:flex}
  .st-navitem{width:100%;padding:12px 14px;border:1px solid var(--st-line);background:#fff}
  .st-navitem.is-active{background:rgba(36,27,75,.06);border-color:var(--st-line-2)}
  .st-burger{display:block}
  .st-navactions .st-btn-primary{display:none}
  .st-mobile-cta{display:inline-flex;width:100%;height:44px;margin-top:6px}
  .st-hero-media{margin-top:28px}
  .st-statbar{grid-template-columns:1fr 1fr;gap:20px}
  .st-stat{border-left:0;padding-left:0}
  .st-stat:nth-child(n+3){border-top:1px solid var(--st-line);padding-top:18px}
  .st-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .st-section{padding:48px 0}
  .st-hero{padding:32px 0 12px}
  .st-hero-actions .st-btn{width:100%}
  .st-statbar{grid-template-columns:1fr 1fr;padding:22px 18px}
  .st-cmp-card{padding:24px 20px}
  .st-faq{padding:6px 14px}
  .st-faq-item summary{padding:18px 8px;font-size:16px}
  .st-faq-body{padding:0 8px 22px 38px;font-size:16px}
  .st-form-card{padding:26px 20px}
  .st-form-foot{flex-direction:column;align-items:stretch}
  .st-form-foot .st-btn{width:100%}
  .st-footer{padding:48px 0 22px}
  .st-footer-grid{grid-template-columns:1fr;gap:28px}
  .st-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media screen and (min-width:1280px){
  .st-hero h1{font-size:clamp(34px,3.6vw,50px)}
}