/* roulang page: index */
:root{
  --c-primary:#1B54D9;--c-primary-600:#1646BB;--c-primary-050:#EAF0FF;
  --c-accent:#FF6A1F;--c-teal:#0FA37F;--c-danger:#D64545;
  --c-ink:#0C1A2B;--c-ink-2:#52627A;--c-ink-3:#8896AB;
  --c-line:#E2E8F2;--c-bg:#F5F8FC;--c-surface:#FFFFFF;
  --r-card:16px;--r-btn:12px;--r-badge:6px;--r-input:10px;
  --sh-1:0 1px 2px rgba(12,26,43,.05),0 8px 24px -12px rgba(12,26,43,.14);
  --sh-2:0 2px 6px rgba(12,26,43,.07),0 18px 40px -16px rgba(12,26,43,.20);
  --container:1200px;--gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--c-ink);
  background:var(--c-bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部快讯条 ============ */
.ticker{background:var(--c-ink);color:#fff;font-size:13px;}
.ticker__inner{display:flex;align-items:center;gap:14px;height:40px;overflow:hidden;}
.ticker__label{
  flex:none;display:inline-flex;align-items:center;gap:6px;font-weight:600;letter-spacing:.02em;
  background:var(--c-accent);color:#fff;padding:3px 10px;border-radius:var(--r-badge);font-size:12px;
}
.ticker__roll{position:relative;flex:1;height:40px;overflow:hidden;}
.ticker__item{
  position:absolute;inset:0;display:flex;align-items:center;gap:10px;
  color:rgba(255,255,255,.86);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  opacity:0;transform:translateY(100%);transition:opacity .5s ease,transform .5s ease;
}
.ticker__item.is-on{opacity:1;transform:translateY(0);}
.ticker__time{color:rgba(255,255,255,.5);font-size:12px;flex:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease;
  backdrop-filter:saturate(180%) blur(10px);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo__mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);flex:none;
  display:grid;place-items:center;box-shadow:0 6px 14px -6px rgba(27,84,217,.75);
}
.logo__mark svg{width:19px;height:19px;}
.logo__text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--c-ink);}
.nav__menu{display:flex;align-items:center;gap:6px;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--c-ink-2);border-radius:10px;transition:color .2s ease,background .2s ease;
}
.nav__link:hover{color:var(--c-primary);background:var(--c-primary-050);}
.nav__link.is-active{color:var(--c-primary);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav__cta{display:inline-flex;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:13px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  text-align:center;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -12px rgba(27,84,217,.9);}
.btn--primary:hover{background:var(--c-primary-600);transform:translateY(-1px);}
.btn--ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn--ghost:hover{background:var(--c-primary-050);}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn__arrow{display:inline-block;transition:transform .2s ease;}
.btn:hover .btn__arrow{transform:translateX(3px);}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;
}
.link-arrow .btn__arrow{transition:transform .2s ease;}
.link-arrow:hover .btn__arrow{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:var(--r-badge);
  font-size:12px;line-height:18px;letter-spacing:.02em;font-weight:500;
}
.badge--primary{background:var(--c-primary-050);color:var(--c-primary);}
.badge--up{background:rgba(15,163,127,.12);color:var(--c-teal);}
.badge--down{background:rgba(214,69,69,.12);color:var(--c-danger);}
.badge--soft{background:rgba(12,26,43,.05);color:var(--c-ink-2);}
.time-tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--c-ink-3);}
.time-tag svg{width:12px;height:12px;flex:none;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:64px 0 72px;
  background-color:var(--c-bg);
  background-image:radial-gradient(rgba(27,84,217,.10) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(245,248,252,0) 40%,var(--c-bg) 100%);
}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,480px);gap:56px;align-items:center;}
.hero__eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;}
.hero h1{font-size:42px;line-height:1.24;font-weight:700;letter-spacing:-.01em;max-width:620px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero__sub{margin-top:18px;font-size:17px;line-height:1.7;color:var(--c-ink-2);max-width:600px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero__trust span{
  display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}
.hero__trust i{width:6px;height:6px;border-radius:50%;background:var(--c-teal);display:inline-block;}
.hero__media{position:relative;}
.hero__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:22px;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.hero__float{
  position:absolute;left:-22px;bottom:26px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;box-shadow:var(--sh-2);padding:14px 18px;display:flex;align-items:center;gap:14px;
}
.hero__float strong{font-size:26px;font-weight:700;line-height:1;color:var(--c-ink);}
.hero__float span{font-size:12px;color:var(--c-ink-3);display:block;margin-top:5px;}
.hero__float-divider{width:1px;height:34px;background:var(--c-line);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--plain{background:var(--c-surface);}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.section__title{font-size:24px;line-height:1.4;font-weight:600;letter-spacing:-.01em;}
.section__desc{margin-top:8px;font-size:14px;color:var(--c-ink-2);max-width:640px;}
.eyebrow{font-size:12px;letter-spacing:.08em;color:var(--c-primary);font-weight:600;text-transform:uppercase;}

/* ============ KPI ============ */
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.kpi{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.kpi:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.kpi__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.kpi__label{font-size:13px;color:var(--c-ink-3);}
.kpi__value{display:flex;align-items:baseline;gap:4px;}
.kpi__value strong{font-size:36px;font-weight:700;line-height:1.1;letter-spacing:-.02em;}
.kpi__value span{font-size:14px;color:var(--c-ink-2);font-weight:500;}
.kpi__note{margin-top:8px;font-size:12px;color:var(--c-ink-3);}

/* ============ 服务矩阵 ============ */
.matrix{display:grid;grid-template-columns:5fr 7fr;gap:22px;align-items:stretch;}
.matrix__big{display:grid;gap:22px;}
.bigcard{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.bigcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.bigcard__icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);
  display:grid;place-items:center;
}
.bigcard__icon svg{width:22px;height:22px;}
.bigcard h3{font-size:18px;font-weight:600;line-height:1.5;}
.bigcard p{font-size:14px;color:var(--c-ink-2);line-height:1.75;}
.matrix__list{display:grid;gap:12px;align-content:start;}
.rowitem{
  display:flex;align-items:center;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;padding:16px 18px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rowitem:hover{transform:translateX(3px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.rowitem__icon{
  width:40px;height:40px;border-radius:11px;background:rgba(12,26,43,.04);color:var(--c-primary);
  display:grid;place-items:center;flex:none;
}
.rowitem__icon svg{width:20px;height:20px;}
.rowitem__body{min-width:0;flex:1;}
.rowitem h3{font-size:15px;font-weight:600;}
.rowitem p{font-size:13px;color:var(--c-ink-3);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rowitem__go{color:var(--c-ink-3);flex:none;transition:transform .2s ease,color .2s ease;}
.rowitem:hover .rowitem__go{color:var(--c-primary);transform:translateX(3px);}

/* ============ 结果对比 ============ */
.compare{display:grid;gap:20px;}
.compare__row{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
}
.compare__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;}
.compare__name{font-size:16px;font-weight:600;}
.compare__bars{display:grid;gap:12px;}
.barline{display:grid;grid-template-columns:96px minmax(0,1fr) 54px;align-items:center;gap:14px;}
.barline__label{font-size:13px;color:var(--c-ink-2);}
.bar{height:9px;border-radius:999px;background:rgba(12,26,43,.06);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;transition:width .8s cubic-bezier(.22,.61,.36,1);}
.bar--primary i{background:var(--c-primary);}
.bar--accent i{background:var(--c-accent);}
.barline__val{font-size:13px;font-weight:600;text-align:right;color:var(--c-ink-2);}
.compare__foot{margin-top:14px;font-size:12px;color:var(--c-ink-3);}

/* ============ 榜单 / 标签筛选 ============ */
.portal{display:grid;grid-template-columns:7fr 5fr;gap:22px;}
.portal__panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-surface);font-size:13px;color:var(--c-ink-2);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.cover-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.cover-card{
  border:1px solid var(--c-line);border-radius:14px;overflow:hidden;background:var(--c-surface);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cover-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.cover-card__img{aspect-ratio:16/9;overflow:hidden;}
.cover-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.cover-card:hover .cover-card__img img{transform:scale(1.03);}
.cover-card__body{padding:14px 16px 16px;}
.cover-card__body h3{font-size:15px;font-weight:600;line-height:1.55;margin-top:8px;}
.cover-card__body p{font-size:13px;color:var(--c-ink-3);margin-top:6px;}
.ranklist{display:grid;gap:12px;}
.rankitem{display:flex;align-items:center;gap:14px;}
.rankitem__no{
  width:26px;height:26px;border-radius:8px;flex:none;display:grid;place-items:center;
  font-size:12px;font-weight:700;background:rgba(12,26,43,.05);color:var(--c-ink-2);
}
.rankitem:nth-child(1) .rankitem__no{background:var(--c-primary);color:#fff;}
.rankitem:nth-child(2) .rankitem__no{background:rgba(27,84,217,.16);color:var(--c-primary);}
.rankitem:nth-child(3) .rankitem__no{background:rgba(255,106,31,.16);color:var(--c-accent);}
.rankitem__body{flex:1;min-width:0;}
.rankitem__body strong{display:block;font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rankitem__bar{height:6px;border-radius:999px;background:rgba(12,26,43,.06);margin-top:7px;overflow:hidden;}
.rankitem__bar i{display:block;height:100%;background:var(--c-primary);border-radius:999px;}
.rankitem__val{font-size:13px;font-weight:600;color:var(--c-ink-2);flex:none;}

/* ============ 资讯列表 ============ */
.news{display:grid;grid-template-columns:7fr 5fr;gap:22px;}
.leadcard{
  display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.leadcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.leadcard__img{aspect-ratio:16/9;overflow:hidden;height:100%;}
.leadcard__img img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.leadcard:hover .leadcard__img img{transform:scale(1.03);}
.leadcard__body{padding:24px;display:flex;flex-direction:column;gap:12px;}
.leadcard__body h3{font-size:20px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.leadcard__body p{font-size:14px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.leadcard__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.minilist{display:grid;gap:12px;align-content:start;}
.minicard{
  display:flex;gap:14px;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;padding:12px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.minicard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.minicard__img{width:92px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;flex:none;background:var(--c-bg);}
.minicard__img img{width:100%;height:100%;object-fit:cover;}
.minicard__body{min-width:0;}
.minicard__body h3{font-size:14px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.minicard__body .time-tag{margin-top:6px;}
.empty{
  grid-column:1 / -1;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty svg{width:40px;height:40px;color:var(--c-ink-3);margin:0 auto 14px;}
.empty p{color:var(--c-ink-2);font-size:15px;margin-bottom:18px;}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq details{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:rgba(27,84,217,.24);box-shadow:var(--sh-2);}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;font-size:16px;font-weight:600;list-style:none;min-height:32px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:8px;background:var(--c-primary-050);
  color:var(--c-primary);display:grid;place-items:center;font-size:17px;font-weight:600;
  transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--c-ink-2);}

/* ============ 转化表单 ============ */
.convert{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.convert__title{font-size:24px;line-height:1.4;font-weight:600;}
.convert__desc{margin-top:12px;font-size:15px;color:var(--c-ink-2);}
.checklist{display:grid;gap:14px;margin-top:26px;}
.checklist li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.checklist svg{width:20px;height:20px;flex:none;color:var(--c-teal);margin-top:3px;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-2);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:grid;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:500;color:var(--c-ink);}
.field label .req{color:var(--c-primary);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:11px 14px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:var(--c-surface);font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(27,84,217,.12);outline:none;
}
.field .hint{font-size:12px;color:var(--c-ink-3);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-danger);}
.field .err{font-size:12px;color:var(--c-danger);}
.form-note{margin-top:14px;font-size:12px;color:var(--c-ink-3);line-height:1.7;}
.spinner{
  width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;display:inline-block;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-bg);border-top:1px solid var(--c-line);padding:64px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand span{font-size:16px;font-weight:700;}
.footer-grid p{font-size:14px;color:var(--c-ink-2);line-height:1.8;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-primary);margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--c-ink-2);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--c-ink-3);
}

/* ============ 移动底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 22px -14px rgba(12,26,43,.32);
}
.tabbar__inner{display:grid;grid-template-columns:repeat(5,1fr);height:58px;}
.tabbar__item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--c-ink-3);transition:color .2s ease;
}
.tabbar__item svg{width:22px;height:22px;}
.tabbar__item.is-active{color:var(--c-primary);font-weight:600;}
.tabbar__item.is-active::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero{padding:52px 0 60px;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero__media{order:2;}
  .hero__float{left:16px;bottom:16px;}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix{grid-template-columns:1fr;}
  .portal{grid-template-columns:1fr;}
  .news{grid-template-columns:1fr;}
  .convert{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav__menu{display:none;}
  .nav__cta{display:none;}
  .tabbar{display:block;}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom));}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section__head{flex-direction:column;align-items:flex-start;gap:10px;}
  .hero h1{font-size:29px;line-height:1.3;}
  .hero__sub{font-size:15px;}
  .hero__actions .btn{flex:1 1 auto;}
  .leadcard{grid-template-columns:1fr;}
  .leadcard__img{aspect-ratio:16/9;}
  .cover-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .compare__row{padding:18px;}
  .barline{grid-template-columns:80px minmax(0,1fr) 46px;gap:10px;}
  .ticker__inner{gap:10px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .kpi__value strong{font-size:30px;}
  .bigcard,.form-card{padding:20px;}
  .hero__float{padding:12px 14px;gap:10px;}
  .hero__float strong{font-size:22px;}
  .minicard__img{width:76px;}
}
@media (max-width:767px){
  .compare__slider{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
  .compare__slider .compare__row{flex:0 0 82%;scroll-snap-align:start;}
}
@media (min-width:768px){
  .compare__slider{display:grid;gap:20px;}
}

/* roulang page: article */
:root{
  --c-primary:#1B54D9;
  --c-primary-600:#1646BB;
  --c-primary-050:#EAF0FF;
  --c-accent:#FF6A1F;
  --c-teal:#0FA37F;
  --c-danger:#D64545;
  --c-ink:#0C1A2B;
  --c-ink-2:#52627A;
  --c-ink-3:#8896AB;
  --c-line:#E2E8F2;
  --c-bg:#F5F8FC;
  --c-surface:#FFFFFF;
  --r-card:16px;
  --r-btn:12px;
  --r-badge:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(12,26,43,.05), 0 8px 24px -12px rgba(12,26,43,.14);
  --sh-2:0 2px 6px rgba(12,26,43,.07), 0 18px 40px -16px rgba(12,26,43,.20);
  --container:1200px;
  --gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.78);
  border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
  backdrop-filter:saturate(160%) blur(8px);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.nav{display:flex;align-items:center;gap:24px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-primary),#2E6BF0);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -8px rgba(27,84,217,.9);
}
.logo__mark svg{width:20px;height:20px;}
.logo__text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--c-ink);}
.nav__menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  border-radius:2px;background:var(--c-primary);transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav__link:hover{color:var(--c-primary);background:var(--c-primary-050);}
.nav__link.is-active{color:var(--c-primary);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{flex:0 0 auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 24px;border:1px solid transparent;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(27,84,217,.95);}
.btn--primary:hover{background:var(--c-primary-600);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-050);}
.btn--ghost:active{transform:translateY(1px);}
.btn__arrow{font-size:14px;transition:transform .2s ease;}
.btn:hover .btn__arrow{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;pointer-events:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-more span{transition:transform .2s ease;}
.link-more:hover span{transform:translateX(3px);}

/* ---------- article layout ---------- */
.page-band{
  position:relative;overflow:hidden;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.page-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(27,84,217,.10) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;pointer-events:none;
}
.page-band__inner{position:relative;padding:28px 0 32px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--c-ink-3);letter-spacing:.02em;}
.crumbs a{color:var(--c-ink-3);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:#C3CCDA;}
.crumbs .current{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink-2);}
.band-tag{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:14px;
  padding:5px 10px;border-radius:var(--r-badge);
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;padding:48px 0 0;}
.article-shell{
  max-width:840px;margin:0 auto;width:100%;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:40px 44px 36px;
}
.article-head h1{
  font-size:34px;line-height:44px;font-weight:700;letter-spacing:-.01em;
  color:var(--c-ink);margin-bottom:18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--c-ink-3);}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9D2E0;}
.meta-clock{display:inline-flex;align-items:center;gap:6px;}
.meta-clock svg{width:12px;height:12px;}
.article-divider{height:1px;background:var(--c-line);margin:26px 0 0;}

.article-body{font-size:16px;line-height:1.88;color:var(--c-ink-2);}
.article-body > * + *{margin-top:20px;}
.article-body p{font-size:16px;line-height:1.88;color:#3C4C63;}
.article-body h2{
  position:relative;padding-left:14px;margin-top:40px;margin-bottom:16px;
  font-size:24px;line-height:34px;font-weight:600;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--c-primary);
}
.article-body h3{font-size:18px;line-height:26px;font-weight:600;color:var(--c-ink);margin-top:28px;margin-bottom:12px;}
.article-body ul,.article-body ol{margin:20px 0 20px 24px;padding:0;}
.article-body ul{list-style:none;}
.article-body ul > li{position:relative;padding-left:18px;margin-bottom:10px;}
.article-body ul > li::before{
  content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary-050);border:2px solid var(--c-primary);
}
.article-body ol{list-style:decimal;}
.article-body ol > li{margin-bottom:10px;padding-left:4px;}
.article-body ol > li::marker{color:var(--c-primary);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:4px solid var(--c-primary);
  background:var(--c-primary-050);border-radius:0 12px 12px 0;
  font-size:15px;line-height:1.8;color:var(--c-ink-2);
}
.article-body img{border-radius:12px;margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:12px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(27,84,217,.35);}
.article-body a:hover{color:var(--c-primary-600);border-bottom-color:var(--c-primary-600);}
.article-body strong{color:var(--c-ink);font-weight:600;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-line);}
.article-body th{background:#F7FAFF;color:var(--c-ink);font-weight:600;}
.article-body td{color:var(--c-ink-2);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0;}
.article-body hr{border:none;height:1px;background:var(--c-line);margin:32px 0;}

.article-foot{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:40px;padding-top:24px;border-top:1px solid var(--c-line);
}
.article-foot .btn{flex:1 1 180px;}
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--c-line);
  border-radius:var(--r-card);background:#FAFCFF;
}
.empty-state svg{width:44px;height:44px;color:var(--c-ink-3);margin:0 auto 14px;}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin-bottom:18px;}

/* ---------- sections ---------- */
.section{padding:72px 0;}
.section--tight{padding:56px 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:24px;line-height:34px;font-weight:600;color:var(--c-ink);}
.section-head p{margin-top:8px;font-size:14px;color:var(--c-ink-3);}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EAF0FF;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{display:flex;flex-direction:column;gap:10px;padding:20px;}
.card__body h3{
  font-size:17px;line-height:26px;font-weight:600;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__body p{
  font-size:14px;line-height:22px;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--c-ink-3);margin-top:2px;}
.card__meta svg{width:12px;height:12px;}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--c-primary);color:#fff;
  border-radius:var(--r-card);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 24px 48px -30px rgba(27,84,217,.85);
}
.cta-banner::after{
  content:"";position:absolute;right:-60px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-banner h2{font-size:24px;line-height:34px;font-weight:600;position:relative;}
.cta-banner p{margin-top:8px;font-size:14px;line-height:22px;color:rgba(255,255,255,.82);position:relative;max-width:560px;}
.cta-banner .btn{position:relative;background:#fff;color:var(--c-primary);flex:0 0 auto;}
.cta-banner .btn:hover{background:#F2F6FF;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-bg);border-top:1px solid var(--c-line);
  padding:56px 0 24px;margin-top:24px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:14px;}
.footer-brand .logo__mark{width:30px;height:30px;}
.site-footer p{font-size:13px;line-height:22px;color:var(--c-ink-2);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-primary);margin-bottom:14px;}
.footer-col ul li{font-size:13px;line-height:22px;color:var(--c-ink-2);margin-bottom:8px;}
.footer-col ul li a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:36px;padding-top:18px;border-top:1px solid var(--c-line);
  font-size:12px;color:var(--c-ink-3);
}

/* ---------- mobile tab bar ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 24px -18px rgba(12,26,43,.45);
}
.tabbar__inner{display:grid;grid-template-columns:repeat(5,1fr);}
.tabbar__item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  min-height:58px;padding:8px 2px;font-size:10px;color:var(--c-ink-3);letter-spacing:.02em;
}
.tabbar__item svg{width:22px;height:22px;}
.tabbar__item.is-active{color:var(--c-primary);font-weight:600;}
.tabbar__item.is-active::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:0 0 3px 3px;background:var(--c-primary);
}
.tabbar__item:active{background:var(--c-primary-050);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav__menu{gap:0;}
  .nav__link{padding:0 10px;font-size:14px;}
  .nav__cta{padding:11px 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:72px 0;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-shell{padding:32px 28px 30px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav__menu{display:none;}
  .nav__cta{display:none;}
  .nav{min-height:60px;justify-content:space-between;}
  .logo__text{font-size:16px;}
  .page-band__inner{padding:20px 0 24px;}
  .article-wrap{padding:24px 0 0;gap:16px;}
  .article-shell{padding:24px 20px 22px;border-radius:14px;}
  .article-head h1{font-size:26px;line-height:34px;margin-bottom:14px;}
  .article-body h2{font-size:21px;line-height:32px;margin-top:32px;}
  .article-body p,.article-body{font-size:16px;line-height:1.86;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0 64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:20px;}
  .section-head h2{font-size:21px;line-height:30px;}
  .rel-grid{grid-template-columns:1fr;gap:16px;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:28px 24px;border-radius:14px;}
  .cta-banner h2{font-size:20px;line-height:30px;}
  .cta-banner .btn{width:100%;}
  .site-footer{padding:40px 0 20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;text-align:center;gap:8px;}
  .footer-col ul li{font-size:13px;}
  .tabbar{display:block;}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom));}
}
@media (max-width:479px){
  .crumbs .current{max-width:180px;}
  .article-foot .btn{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1B54D9;
  --c-primary-600:#1646BB;
  --c-primary-050:#EAF0FF;
  --c-accent:#FF6A1F;
  --c-teal:#0FA37F;
  --c-danger:#D64545;
  --c-ink:#0C1A2B;
  --c-ink-2:#52627A;
  --c-ink-3:#8896AB;
  --c-line:#E2E8F2;
  --c-bg:#F5F8FC;
  --c-surface:#FFFFFF;
  --r-card:16px;
  --r-btn:12px;
  --r-badge:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(12,26,43,.05),0 8px 24px -12px rgba(12,26,43,.14);
  --sh-2:0 2px 6px rgba(12,26,43,.07),0 18px 40px -16px rgba(12,26,43,.20);
  --container:1200px;
  --gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:28px;
  font-weight:400;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.nav{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.logo__mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),#3D74F0);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 14px -6px rgba(27,84,217,.7);
}
.logo__mark svg{width:22px;height:22px;display:block;}
.nav__menu{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav__link:hover{color:var(--c-ink);background:var(--c-bg);}
.nav__link.is-active{color:var(--c-primary);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{margin-left:8px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .15s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(27,84,217,.9);}
.btn--primary:hover{background:var(--c-primary-600);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:rgba(27,84,217,.45);}
.btn--ghost:hover{background:var(--c-primary-050);border-color:var(--c-primary);}
.btn__arrow{transition:transform .2s ease;}
.btn:hover .btn__arrow{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn.is-loading{pointer-events:none;opacity:.85;}
.btn.is-loading::before{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- hero strip ---------- */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);
  background-color:var(--c-bg);
  background-image:linear-gradient(180deg,rgba(245,248,252,.90),rgba(245,248,252,.97)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.page-hero__inner{min-height:288px;display:flex;flex-direction:column;justify-content:center;padding:48px 0;max-width:760px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;letter-spacing:.02em;color:var(--c-ink-3);margin-bottom:20px;}
.crumbs a{color:var(--c-ink-3);transition:color .18s ease;}
.crumbs a:hover{color:var(--c-primary);}
.crumbs span[aria-current]{color:var(--c-ink-2);}
.page-hero h1{font-size:34px;line-height:44px;font-weight:700;letter-spacing:-.01em;}
.page-hero p{margin-top:16px;font-size:16px;line-height:28px;color:var(--c-ink-2);max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);font-size:12px;font-weight:500;color:var(--c-ink-2);
}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--c-teal);display:inline-block;}

/* ---------- layout ---------- */
.section{padding:88px 0;}
.section--tight{padding:72px 0;}
.section--plain{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.cat-layout{display:grid;grid-template-columns:246px minmax(0,1fr);gap:48px;align-items:start;}
.toc{position:sticky;top:96px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px 16px;}
.toc__title{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-ink-3);text-transform:uppercase;padding:0 8px 10px;}
.toc__list li+li{margin-top:2px;}
.toc__list a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 12px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--c-ink-2);transition:background .18s ease,color .18s ease;
}
.toc__list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-ink-3);flex:0 0 auto;transition:background .18s ease,transform .18s ease;}
.toc__list a:hover{background:var(--c-primary-050);color:var(--c-primary);}
.toc__list a:hover::before{background:var(--c-primary);transform:scale(1.3);}
.toc__cta{margin-top:16px;padding:0 8px;}
.toc__cta .btn{width:100%;}
.toc__note{margin-top:14px;padding:0 8px;font-size:12px;line-height:20px;color:var(--c-ink-3);}

.content-block+.content-block{margin-top:72px;}
.block-head{max-width:720px;margin-bottom:28px;}
.block-head h2{
  font-size:24px;line-height:34px;font-weight:600;position:relative;padding-left:14px;
}
.block-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--c-primary);
}
.block-head p{margin-top:14px;font-size:16px;line-height:28px;color:var(--c-ink-2);}
.lede{font-size:16px;line-height:30px;color:var(--c-ink-2);}
.lede strong{color:var(--c-ink);font-weight:600;}

/* ---------- stat row ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:28px;}
.stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.stat:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.stat__num{font-size:32px;line-height:40px;font-weight:700;color:var(--c-ink);}
.stat__num small{font-size:14px;font-weight:600;color:var(--c-ink-2);margin-left:4px;}
.stat__label{margin-top:8px;font-size:14px;color:var(--c-ink-2);}
.stat__trend{display:inline-flex;align-items:center;gap:4px;margin-top:12px;padding:3px 8px;border-radius:var(--r-badge);font-size:12px;font-weight:600;}
.trend--up{background:rgba(15,163,127,.12);color:var(--c-teal);}
.trend--down{background:rgba(214,69,69,.12);color:var(--c-danger);}

/* ---------- card grid 2x2 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.card__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__body h3{font-size:17px;line-height:26px;font-weight:600;}
.card__body p{font-size:14px;line-height:24px;color:var(--c-ink-2);}
.card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--c-ink-3);}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:var(--r-badge);background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.02em;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- steps (要点行) ---------- */
.steps{display:flex;flex-direction:column;gap:16px;margin-top:8px;}
.step{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:20px 22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.step__idx{
  width:56px;height:56px;border-radius:14px;background:var(--c-primary-050);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
}
.step__txt h3{font-size:16px;line-height:26px;font-weight:600;}
.step__txt p{margin-top:4px;font-size:14px;line-height:24px;color:var(--c-ink-2);}
.step__side{font-size:13px;color:var(--c-ink-3);white-space:nowrap;}

/* ---------- meters ---------- */
.meters{display:flex;flex-direction:column;gap:26px;margin-top:8px;}
.meter{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;}
.meter__top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;}
.meter__top h3{font-size:16px;font-weight:600;}
.meter__top em{font-style:normal;font-size:12px;color:var(--c-ink-3);}
.meter__row{margin-top:16px;}
.meter__cap{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-2);margin-bottom:8px;}
.meter__cap b{font-weight:600;font-variant-numeric:tabular-nums;color:var(--c-ink);}
.track{height:9px;border-radius:999px;background:var(--c-bg);overflow:hidden;}
.track i{display:block;height:100%;border-radius:999px;}
.track--primary i{background:linear-gradient(90deg,var(--c-primary),#4C7DF0);}
.track--accent i{background:linear-gradient(90deg,var(--c-accent),#FF9557);}
.meter__note{margin-top:10px;font-size:12px;line-height:20px;color:var(--c-ink-3);}

/* ---------- feedback ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.quote{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.quote:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.2);}
.quote__mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary-050);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;}
.quote p{font-size:14px;line-height:25px;color:var(--c-ink-2);}
.quote__who{margin-top:auto;font-size:13px;color:var(--c-ink-3);}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:48px;align-items:start;}
.contact-list{display:flex;flex-direction:column;gap:16px;margin-top:24px;}
.contact-list li{display:grid;grid-template-columns:26px minmax(0,1fr);gap:12px;align-items:start;font-size:15px;line-height:26px;color:var(--c-ink-2);}
.check{width:22px;height:22px;border-radius:50%;background:rgba(15,163,127,.12);color:var(--c-teal);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:2px;}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:28px;}
.form-card h3{font-size:18px;line-height:26px;font-weight:600;margin-bottom:20px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;font-weight:500;color:var(--c-ink);}
.field label i{color:var(--c-primary);font-style:normal;margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:24px;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#C9D4E5;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(27,84,217,.12);
}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:none;}
.field--error input{border-color:var(--c-danger);}
.field__err{font-size:12px;line-height:18px;color:var(--c-danger);}
.form-note{margin-top:14px;font-size:12px;line-height:20px;color:var(--c-ink-3);}
.form-card .btn{width:100%;}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary),#2E63E2);
  border-radius:var(--r-card);padding:48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 48px -28px rgba(27,84,217,.75);
}
.cta-band h2{font-size:24px;line-height:34px;font-weight:600;}
.cta-band p{margin-top:10px;font-size:15px;line-height:26px;color:rgba(255,255,255,.86);max-width:560px;}
.btn--light{background:#fff;color:var(--c-primary);}
.btn--light:hover{background:var(--c-primary-050);transform:translateY(-1px);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-bg);border-top:1px solid var(--c-line);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-brand .logo__mark{width:30px;height:30px;border-radius:9px;}
.footer-brand .logo__mark svg{width:19px;height:19px;}
.site-footer p{font-size:14px;line-height:24px;color:var(--c-ink-2);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-primary);margin-bottom:14px;}
.footer-col li{font-size:14px;line-height:24px;color:var(--c-ink-2);}
.footer-col li+li{margin-top:8px;}
.footer-col a{transition:color .18s ease;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-3);
}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  background:rgba(255,255,255,.98);border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px -14px rgba(12,26,43,.3);
}
.tabbar__inner{display:grid;grid-template-columns:repeat(5,1fr);}
.tab{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:60px;font-size:10px;color:var(--c-ink-3);padding:6px 2px;
}
.tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab.is-active{color:var(--c-primary);font-weight:600;}
.tab.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--c-primary);}

@media (max-width:1279px){
  .cat-layout{grid-template-columns:214px minmax(0,1fr);gap:32px;}
  .page-hero h1{font-size:30px;line-height:40px;}
}
@media (max-width:1023px){
  .nav__menu{display:none;}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .toc{position:static;}
  .toc__list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:minmax(0,1fr);}
  .contact-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .tabbar{display:block;}
  .nav{height:64px;gap:16px;}
  .logo{font-size:16px;}
  .logo__mark{width:30px;height:30px;border-radius:9px;}
  .nav__cta{display:none;}
  .page-hero__inner{min-height:260px;padding:36px 0;}
  .page-hero h1{font-size:26px;line-height:34px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .content-block+.content-block{margin-top:56px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .stat{padding:16px;}
  .stat__num{font-size:28px;line-height:36px;}
  .step{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:18px;}
  .step__idx{width:48px;height:48px;border-radius:12px;font-size:16px;}
  .step__side{grid-column:2;font-size:12px;}
  .toc__list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:32px 24px;border-radius:14px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media (max-width:519px){
  :root{--gutter:16px;}
  .toc__list{grid-template-columns:minmax(0,1fr);}
  .stat-row{grid-template-columns:minmax(0,1fr);}
  .page-hero h1{font-size:24px;line-height:32px;}
  .block-head h2{font-size:20px;line-height:30px;}
  .form-card{padding:20px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1B54D9; --c-primary-600:#1646BB; --c-primary-050:#EAF0FF;
  --c-accent:#FF6A1F; --c-teal:#0FA37F; --c-danger:#D64545;
  --c-ink:#0C1A2B; --c-ink-2:#52627A; --c-ink-3:#8896AB;
  --c-line:#E2E8F2; --c-bg:#F5F8FC; --c-surface:#FFFFFF;
  --r-card:16px; --r-btn:12px; --r-badge:6px; --r-input:10px;
  --sh-1:0 1px 2px rgba(12,26,43,.05), 0 8px 24px -12px rgba(12,26,43,.14);
  --sh-2:0 2px 6px rgba(12,26,43,.07), 0 18px 40px -16px rgba(12,26,43,.20);
  --container:1200px; --gutter:24px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;
  color:var(--c-ink);background:var(--c-bg);padding-bottom:72px;
  -webkit-font-smoothing:antialiased;
}
@media (min-width:1024px){ body{padding-bottom:0;} }
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
@media (max-width:767px){ .container{padding:0 16px;} }

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;transition:box-shadow .2s,border-color .2s;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.nav{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;white-space:nowrap;}
.logo__mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,#1B54D9,#2E6BF0);
  display:inline-flex;align-items:center;justify-content:center;
}
.logo__mark svg{width:18px;height:18px;}
.nav__menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;
  font-weight:500;color:var(--c-ink-2);transition:color .2s,background .2s;
}
.nav__link:hover{color:var(--c-primary);background:var(--c-primary-050);}
.nav__link.is-active{color:var(--c-primary);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.nav__cta{margin-left:8px;}
@media (max-width:1023px){
  .nav__menu{display:none;}
  .nav__cta{margin-left:auto;}
  .logo{font-size:16px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .16s,background .2s,box-shadow .2s,color .2s,border-color .2s;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 18px -10px rgba(27,84,217,.7);}
.btn--primary:hover{background:var(--c-primary-600);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-050);}
.btn__arrow{transition:transform .2s;}
.btn:hover .btn__arrow{transform:translateX(3px);}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 分类首屏条带 ---------- */
.cat-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--c-line);}
.cat-hero__bg{
  position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.16;
}
.cat-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.88) 48%,rgba(255,255,255,.58) 100%);
}
.cat-hero__inner{
  position:relative;z-index:2;min-height:288px;
  display:flex;flex-direction:column;justify-content:center;
  padding:48px 0 52px;max-width:760px;
}
.crumb{font-size:12px;color:var(--c-ink-3);letter-spacing:.02em;margin-bottom:14px;}
.crumb a:hover{color:var(--c-primary);}
.crumb span{margin:0 6px;}
.cat-hero h1{font-size:38px;line-height:1.28;font-weight:700;letter-spacing:-.01em;}
.cat-hero__lead{margin-top:14px;font-size:16px;color:var(--c-ink-2);max-width:620px;}
.cat-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-badge);
  background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:500;letter-spacing:.02em;
}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
@media (max-width:767px){
  .cat-hero__inner{min-height:260px;padding:36px 0 40px;}
  .cat-hero h1{font-size:27px;line-height:1.34;}
  .cat-hero__lead{font-size:15px;}
}

/* ---------- 横向标签栏 ---------- */
.tabbar{position:sticky;top:68px;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--c-line);}
.tabbar__scroll{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.tabbar__scroll::-webkit-scrollbar{display:none;}
.tabbar__item{
  flex:0 0 auto;display:inline-flex;align-items:center;min-height:40px;padding:8px 16px;
  border-radius:999px;background:var(--c-bg);border:1px solid var(--c-line);
  font-size:14px;font-weight:500;color:var(--c-ink-2);white-space:nowrap;transition:.2s;
}
.tabbar__item:hover{color:var(--c-primary);border-color:#C6D6FA;background:var(--c-primary-050);}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section--tight{padding-top:56px;}
.section--surface{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
@media (max-width:1023px){ .section{padding:64px 0;} }
@media (max-width:767px){ .section{padding:48px 0;} .section--tight{padding-top:36px;} }
.sec-head{margin-bottom:32px;max-width:760px;}
.sec-head h2{font-size:24px;font-weight:600;line-height:1.42;}
.sec-head p{margin-top:10px;font-size:14px;color:var(--c-ink-2);}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.sec-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.sec-link:hover .btn__arrow{transform:translateX(3px);}

/* ---------- 六宫格 ---------- */
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.tile{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,84,217,.22);}
.tile__icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
}
.tile__icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tile h3{font-size:17px;font-weight:600;line-height:1.5;}
.tile p{font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.tile__tag{
  align-self:flex-start;margin-top:2px;font-size:12px;letter-spacing:.02em;
  color:var(--c-teal);background:rgba(15,163,127,.12);padding:4px 10px;border-radius:var(--r-badge);
}
.tile__tag--warn{color:var(--c-accent);background:rgba(255,106,31,.12);}
@media (max-width:1023px){ .grid-6{grid-template-columns:repeat(2,1fr);gap:20px;} }
@media (max-width:600px){ .grid-6{grid-template-columns:1fr;gap:16px;} }

/* ---------- 数据条 ---------- */
.datastrip{
  display:grid;grid-template-columns:repeat(4,1fr);background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
}
.datastrip__item{padding:26px 24px;border-right:1px solid var(--c-line);}
.datastrip__item:last-child{border-right:0;}
.datastrip__num{
  font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.datastrip__num small{font-size:14px;font-weight:600;color:var(--c-ink-2);margin-left:4px;}
.datastrip__label{margin-top:8px;font-size:13px;color:var(--c-ink-3);line-height:1.7;}
@media (max-width:767px){
  .datastrip{grid-template-columns:repeat(2,1fr);}
  .datastrip__item{border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
  .datastrip__item:nth-child(2n){border-right:0;}
  .datastrip__item:nth-child(n+3){border-bottom:0;}
  .datastrip__num{font-size:26px;}
}

/* ---------- 图文 + 步骤 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);background:#fff;
}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease;}
.figure:hover img{transform:scale(1.03);}
.figure figcaption{font-size:12px;color:var(--c-ink-3);padding:12px 16px;line-height:1.7;}
.steps{display:flex;flex-direction:column;gap:14px;}
.step{
  display:flex;gap:14px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;padding:16px 18px;box-shadow:var(--sh-1);transition:border-color .2s,transform .2s;
}
.step:hover{border-color:rgba(27,84,217,.22);transform:translateX(2px);}
.step__no{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:600;margin-bottom:4px;}
.step p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:28px;}
}

/* ---------- 更新记录与高频入口 ---------- */
.duo{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;
}
.panel__title{font-size:16px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.panel__title span{
  font-size:12px;font-weight:500;color:var(--c-ink-3);background:var(--c-bg);
  border-radius:var(--r-badge);padding:3px 8px;
}
.loglist li{
  display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--c-line);
}
.loglist li:first-child{border-top:0;padding-top:0;}
.loglist li:last-child{padding-bottom:0;}
.loglist time{
  flex:0 0 auto;font-size:12px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;
  letter-spacing:.02em;padding-top:3px;
}
.loglist strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px;}
.loglist p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}
.rank li{padding:12px 0;border-top:1px solid var(--c-line);}
.rank li:first-child{border-top:0;padding-top:0;}
.rank__top{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:500;margin-bottom:8px;}
.rank__name{display:flex;align-items:center;gap:8px;}
.rank__idx{
  width:20px;height:20px;border-radius:6px;background:var(--c-bg);color:var(--c-ink-2);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
}
.rank li:first-child .rank__idx{background:var(--c-primary);color:#fff;}
.rank__val{color:var(--c-ink-2);font-variant-numeric:tabular-nums;}
.bar{height:6px;border-radius:999px;background:var(--c-bg);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:var(--c-primary);}
.bar i.alt{background:var(--c-accent);}
@media (max-width:1023px){ .duo{grid-template-columns:1fr;} }

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq details{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-1);padding:14px 18px;transition:border-color .2s;
}
.faq details[open]{border-color:rgba(27,84,217,.25);}
.faq details:hover{border-color:rgba(27,84,217,.2);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:16px;font-weight:600;min-height:32px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-primary-050);
  color:var(--c-primary);font-size:18px;font-weight:600;display:inline-flex;align-items:center;
  justify-content:center;transition:transform .2s;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq details p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- 表单与 CTA ---------- */
.cta{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:start;}
.cta__list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.cta__list li{display:flex;gap:10px;font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.cta__list svg{flex:0 0 auto;width:20px;height:20px;margin-top:4px;stroke:var(--c-teal);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.card-form{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:28px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;}
.field label .req{color:var(--c-primary);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--c-line);
  border-radius:var(--r-input);background:#fff;font-size:15px;line-height:1.6;
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(27,84,217,.12);
}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:none;}
.form-note{margin-top:12px;font-size:12px;color:var(--c-ink-3);line-height:1.7;}
.form-ok{
  margin-top:14px;font-size:13px;color:var(--c-teal);
  background:rgba(15,163,127,.1);border-radius:10px;padding:10px 14px;
}
@media (max-width:1023px){ .cta{grid-template-columns:1fr;gap:26px;} }
@media (max-width:767px){
  .card-form{padding:20px;}
  .btn--block-mobile{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg);border-top:1px solid var(--c-line);padding:56px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:12px;}
.site-footer p{font-size:14px;color:var(--c-ink-2);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-primary);margin-bottom:14px;}
.footer-col ul li{font-size:14px;color:var(--c-ink-2);line-height:1.9;}
.footer-col ul li a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
@media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;gap:26px;} }
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{padding:40px 0 24px;}
  .site-footer p,.footer-col ul li{font-size:13px;}
  .footer-bottom{justify-content:center;text-align:center;}
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (max-width:1023px){ .mobile-tab{display:block;} }
.mobile-tab__list{display:grid;grid-template-columns:repeat(5,1fr);height:60px;}
.mobile-tab__item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;font-size:10px;letter-spacing:.02em;color:var(--c-ink-3);transition:color .2s;
}
.mobile-tab__item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab__item.is-active{color:var(--c-primary);font-weight:600;}
.mobile-tab__item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-primary);border-radius:0 0 3px 3px;
}