/* roulang page: index */
:root{
  --brand-600:#1E4FD8;
  --brand-700:#163AA8;
  --brand-050:#EAF0FF;
  --accent-500:#FF7A29;
  --accent-050:#FFF1E6;
  --success-500:#12A594;
  --ink-900:#14203A;
  --ink-700:#35456A;
  --ink-500:#6B7A99;
  --line:#E5EAF3;
  --bg-page:#F5F7FB;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F4FC;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-card:0 2px 8px rgba(20,32,58,.06);
  --sh-hover:0 12px 28px rgba(20,32,58,.12);
  --sh-float:0 8px 24px rgba(20,32,58,.10);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:20px; --sp-6:24px;
  --sp-8:32px; --sp-10:40px; --sp-12:48px; --sp-16:64px; --sp-20:80px;
  --w-container:1200px;
  --font:"-apple-system","BlinkMacSystemFont","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding:56px 0;}

.sec-head{margin-bottom:36px;max-width:780px;}
.sec-head h2{
  position:relative;
  padding-left:16px;
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-.3px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;
  background:var(--brand-600);border-radius:2px;
}
.sec-head p{margin-top:10px;color:var(--ink-500);font-size:15px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;max-width:720px;}
.sec-head--center h2{padding-left:0;}
.sec-head--center h2::before{display:none;}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--brand-600);color:#fff;box-shadow:0 2px 8px rgba(30,79,216,.24);}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,216,.28);}
.btn--accent{background:var(--accent-500);color:#fff;box-shadow:0 2px 8px rgba(255,122,41,.28);}
.btn--accent:hover{background:#ef6a18;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,122,41,.32);}
.btn--ghost{background:#fff;border-color:var(--brand-600);color:var(--brand-600);}
.btn--ghost:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-1px);}
.btn--soft{background:var(--brand-050);color:var(--brand-600);}
.btn--soft:hover{background:#dde7ff;color:var(--brand-700);}
.btn--lg{height:52px;padding:0 26px;font-size:16px;}
.btn--sm{height:36px;padding:0 14px;font-size:14px;border-radius:var(--r-sm);}
.btn--block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);}
.link-more:hover{gap:10px;color:var(--brand-700);}

/* ------- 徽章 ------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 10px;
  border-radius:var(--r-sm);font-size:12px;font-weight:600;line-height:1;
}
.badge--brand{background:var(--brand-050);color:var(--brand-600);}
.badge--accent{background:var(--accent-050);color:#c9560c;}
.badge--gray{background:#EEF1F7;color:var(--ink-500);}
.badge--success{background:rgba(18,165,148,.12);color:#0b7f72;}
.badge--pill{border-radius:var(--r-pill);}

/* ------- 顶栏 ------- */
.site-header{position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:var(--sh-float);}
.header-top{
  display:flex;align-items:center;gap:24px;
  height:72px;transition:height .25s ease;
}
.site-header.is-stuck .header-top{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(150deg,var(--brand-600),#3E76F0);
  display:flex;align-items:center;justify-content:center;color:#fff;
  transition:width .25s ease,height .25s ease;
}
.site-header.is-stuck .logo__mark{width:28px;height:28px;}
.logo__text{display:flex;flex-direction:column;line-height:1.15;}
.logo__name{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:-.2px;white-space:nowrap;}
.logo__sub{font-size:11px;color:var(--ink-500);letter-spacing:1.6px;}
.header-search{flex:1 1 auto;max-width:560px;margin:0 auto;position:relative;}
.search-form{display:flex;align-items:center;height:48px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.search-form:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(30,79,216,.12);}
.search-form__icon{margin-left:18px;color:var(--ink-500);flex:0 0 auto;}
.search-form input{flex:1 1 auto;height:100%;border:0;background:transparent;padding:0 12px;color:var(--ink-900);outline:none;}
.search-form input::placeholder{color:#9AA7BF;}
.search-form button{
  flex:0 0 auto;width:88px;height:38px;margin-right:5px;border-radius:var(--r-sm);
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;
  transition:background .18s ease;
}
.search-form button:hover{background:var(--brand-700);}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.header-actions .link-login{font-size:15px;font-weight:600;color:var(--ink-700);}
.header-actions .link-login:hover{color:var(--brand-600);}
.header-nav{background:var(--bg-page);border-top:1px solid var(--line);}
.header-nav__list{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.header-nav__list::-webkit-scrollbar{display:none;}
.header-nav__list a{
  display:inline-flex;align-items:center;height:48px;padding:0 14px;
  font-size:14px;font-weight:600;color:var(--ink-700);
  border-bottom:2px solid transparent;white-space:nowrap;
  transition:color .2s ease,border-color .2s ease;
}
.header-nav__list a:hover{color:var(--brand-600);}
.header-nav__list a.is-active{color:var(--brand-600);border-bottom-color:var(--brand-600);}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--ink-900);}
.burger:hover{background:var(--bg-soft);}
.mobile-search-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--ink-700);}
.mobile-search-toggle:hover{background:var(--bg-soft);}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,32,58,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:200;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:#fff;z-index:210;
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;box-shadow:-8px 0 32px rgba(20,32,58,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{padding:16px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer__close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--ink-700);}
.drawer__close:hover{background:var(--bg-soft);}
.drawer__search{padding:16px;}
.drawer__search .search-form{height:44px;}
.drawer__search .search-form button{width:64px;height:34px;font-size:13px;}
.drawer__nav{flex:1 1 auto;overflow-y:auto;padding:0 8px;}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 16px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink-700);
}
.drawer__nav a:hover,.drawer__nav a.is-active{background:var(--brand-050);color:var(--brand-600);}
.drawer__foot{padding:16px;border-top:1px solid var(--line);}

/* ------- Hero ------- */
.hero{background:#fff;border-bottom:1px solid var(--line);}
.hero__inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:64px 0 72px;min-height:480px;}
.hero__eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600;margin-bottom:20px;}
.hero h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--ink-900);letter-spacing:-.5px;}
.hero__lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-700);max-width:560px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);}
.hero__stat b{display:block;font-size:24px;font-weight:700;color:var(--ink-900);line-height:1.2;}
.hero__stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-500);}
.hero__media{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11;box-shadow:var(--sh-card);}
.hero__media img{width:100%;height:100%;object-fit:cover;}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(30,79,216,.14),rgba(30,79,216,.02));}
.hero__media-tag{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.94);box-shadow:var(--sh-float);
}
.hero__media-tag b{font-size:14px;color:var(--ink-900);}
.hero__media-tag span{font-size:12px;color:var(--ink-500);}

/* ------- 通用卡片 ------- */
.card{
  position:relative;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(30,79,216,.3);}
.card__body{padding:24px;}
.grid{display:grid;gap:24px;}
.grid--3{grid-template-columns:repeat(3,1fr);}
.grid--2{grid-template-columns:repeat(2,1fr);}
.card-title{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.card-text{margin-top:10px;font-size:15px;color:var(--ink-700);}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);margin-bottom:16px;
}
.card-cover{aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0;position:relative;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.stretched{position:absolute;inset:0;z-index:3;text-indent:-9999px;overflow:hidden;}

/* 能力卡 */
.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ability .card__body{padding:28px 24px;}

/* ------- 权益对比表 ------- */
.plan-hint{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.plan-wrap{margin-top:32px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.plan-table{width:100%;min-width:820px;border-collapse:collapse;}
table.plan-table th,table.plan-table td{
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;
}
table.plan-table thead th{background:#fff;padding-top:24px;padding-bottom:20px;}
.plan-col{width:25%;}
.plan-col--rec{background:var(--brand-050);position:relative;}
.plan-col--rec::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--brand-600);}
.plan-head__badge{margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.plan-head__name{font-size:18px;font-weight:700;color:var(--ink-900);}
.plan-head__price{margin-top:6px;font-size:13px;color:var(--ink-500);}
.plan-head__price b{font-size:22px;font-weight:700;color:var(--ink-900);}
.plan-head__btn{margin-top:14px;}
.plan-name{font-size:15px;font-weight:600;color:var(--ink-900);}
.plan-desc{display:block;margin-top:4px;font-size:13px;color:var(--ink-500);font-weight:400;}
td.cell-state{font-size:14px;color:var(--ink-700);width:25%;}
.state{display:inline-flex;align-items:center;gap:8px;}
.state--yes{color:#0b7f72;font-weight:600;}
.state--no{color:var(--ink-500);}
tbody tr:nth-child(even){background:var(--bg-soft);}
tbody tr:last-child td{border-bottom:0;}
.plan-cards{display:none;gap:16px;margin-top:24px;}

/* ------- 等级亮点 ------- */
.tier-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.tier-card{grid-column:span 6;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:28px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(30,79,216,.3);}
.tier-card--wide{grid-column:span 7;}
.tier-card--narrow{grid-column:span 5;}
.tier-card h3{margin-top:14px;font-size:20px;font-weight:600;color:var(--ink-900);}
.tier-card p{margin-top:10px;font-size:15px;color:var(--ink-700);}
.tier-list{margin-top:18px;display:grid;gap:12px;}
.tier-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink-700);}
.tier-list svg{flex:0 0 auto;margin-top:4px;color:var(--success-500);}
.tier-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);}

/* ------- 内容预览 ------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.preview-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.preview-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(30,79,216,.3);}
.preview-cover{position:relative;aspect-ratio:16/10;overflow:hidden;}
.preview-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.preview-card:hover .preview-cover img{transform:scale(1.04);}
.preview-flag{position:absolute;left:12px;top:12px;z-index:2;}
.preview-lock{
  position:absolute;right:12px;bottom:12px;z-index:2;
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(20,32,58,.62);color:#fff;
}
.preview-body{padding:20px;}
.preview-title{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.preview-text{margin-top:8px;font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.preview-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}

/* ------- 最新信息 ------- */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:22px;color:inherit;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(30,79,216,.3);color:inherit;}
.news-title{
  margin-top:12px;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.news-summary{
  margin-top:10px;font-size:14px;color:var(--ink-700);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-500);}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  min-height:120px;padding:32px;border:1px dashed #C9D4E8;border-radius:var(--r-lg);
  background:#fff;text-align:center;color:var(--ink-500);
}
.empty-state strong{display:block;font-size:15px;font-weight:600;color:var(--ink-700);}
.empty-state span{font-size:13px;}

/* ------- 运行概况 / 反馈 ------- */
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-card);}
.metric b{display:block;font-size:28px;font-weight:700;color:var(--brand-600);line-height:1.2;}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--ink-500);}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-card);}
.voice p{font-size:15px;color:var(--ink-700);}
.voice footer{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.voice .avatar{width:36px;height:36px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;}
.voice small{display:block;font-size:13px;color:var(--ink-500);}
.voice strong{font-size:14px;color:var(--ink-900);}

/* ------- FAQ ------- */
.faq-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--bg-soft);}
.faq-q .faq-plus{flex:0 0 auto;color:var(--brand-600);transition:transform .25s ease;}
.faq-item.is-open .faq-q{color:var(--brand-600);}
.faq-item.is-open .faq-plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a__inner{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-700);border-left:3px solid var(--brand-600);margin-left:24px;padding-left:16px;}

/* ------- CTA ------- */
.cta-band{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:40px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band h2{font-size:26px;font-weight:700;color:var(--ink-900);line-height:1.35;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--ink-700);max-width:640px;}
.cta-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.cta-actions{display:flex;flex-direction:column;gap:10px;align-items:stretch;min-width:200px;}
.cta-note{font-size:13px;color:var(--ink-500);text-align:center;}

/* ------- 页脚 ------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:56px 0 40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-500);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--ink-900);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--ink-700);}
.footer-col a:hover{color:var(--brand-600);}
.footer-disclaimer{padding-bottom:24px;font-size:13px;color:var(--ink-500);line-height:1.8;border-bottom:1px solid var(--line);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;padding:20px 0 32px;font-size:13px;color:var(--ink-500);}
.footer-bottom a{color:var(--ink-500);}
.footer-bottom a:hover{color:var(--brand-600);}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;}

/* ------- 响应式 ------- */
@media (max-width:1279px){
  .header-search{max-width:420px;}
  .hero h1{font-size:34px;}
}
@media (max-width:1023px){
  .header-nav{display:none;}
  .header-search{display:none;}
  .burger{display:flex;}
  .mobile-search-toggle{display:flex;}
  .header-actions .link-login{display:none;}
  .hero__inner{grid-template-columns:1fr;gap:32px;padding:48px 0 56px;min-height:auto;}
  .hero__media{aspect-ratio:16/9;}
  .ability-grid,.preview-grid,.news-list,.voice-grid{grid-template-columns:repeat(2,1fr);}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .tier-card,.tier-card--wide,.tier-card--narrow{grid-column:span 6;}
  .section{padding:64px 0;}
  .plan-cards{display:grid;grid-template-columns:repeat(2,1fr);}
  .plan-wrap{display:none;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .cta-actions{min-width:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.7;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .header-top{height:60px;gap:12px;}
  .site-header.is-stuck .header-top{height:56px;}
  .logo__sub{display:none;}
  .hero h1{font-size:28px;}
  .sec-head h2{font-size:22px;}
  .hero__stats{gap:24px;}
  .ability-grid,.preview-grid,.news-list,.voice-grid,.metric-row,.plan-cards{grid-template-columns:1fr;}
  .tier-card,.tier-card--wide,.tier-card--narrow{grid-column:span 12;}
  .grid--3,.grid--2{grid-template-columns:1fr;}
  .cta-band{padding:24px;}
  .cta-band h2{font-size:22px;}
  .faq-q{font-size:16px;padding:18px 16px;}
  .faq-a__inner{margin-left:16px;padding:0 16px 20px 14px;}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 28px;}
  .hero__actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .hero h1{font-size:25px;}
  .hero__stat b{font-size:20px;}
  .card__body{padding:20px;}
  .preview-body{padding:16px;}
  .news-card{padding:18px;}
}

/* roulang page: article */
:root{
  --brand-600:#1E4FD8;
  --brand-700:#163AA8;
  --brand-050:#EAF0FF;
  --accent-500:#FF7A29;
  --accent-050:#FFF1E6;
  --success-500:#12A594;
  --ink-900:#14203A;
  --ink-700:#35456A;
  --ink-500:#6B7A99;
  --line:#E5EAF3;
  --bg-page:#F5F7FB;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F4FC;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,32,58,.06);
  --sh-2:0 12px 28px rgba(20,32,58,.12);
  --sh-3:0 8px 24px rgba(20,32,58,.10);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink-700);
  background:var(--bg-page);font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--r-md);border:1px solid var(--line);}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.2px;}
p{margin:0;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- header ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;transition:box-shadow .2s ease;}
.site-header.is-stuck{box-shadow:var(--sh-3);}
.header-top{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink-900);white-space:nowrap;flex:0 0 auto;}
.logo:hover{color:var(--ink-900);}
.logo__mark{width:26px;height:26px;border-radius:8px;background:var(--brand-600);display:grid;place-items:center;flex:0 0 auto;}
.logo__mark svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.logo__text em{font-style:normal;color:var(--brand-600);}
.search-bar{flex:1 1 auto;max-width:560px;margin:0 auto;display:flex;align-items:center;height:48px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;padding-left:16px;transition:border-color .18s ease,box-shadow .18s ease;}
.search-bar:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(30,79,216,.12);}
.search-bar svg{width:18px;height:18px;stroke:var(--ink-500);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.search-bar input{flex:1 1 auto;border:0;outline:0;background:transparent;padding:0 12px;font-size:15px;min-width:0;}
.search-bar input::placeholder{color:var(--ink-500);}
.search-bar button{height:48px;width:88px;border:0;border-radius:0 var(--r-md) var(--r-md) 0;background:var(--brand-600);color:#fff;font-weight:600;cursor:pointer;transition:background .18s ease;}
.search-bar button:hover{background:var(--brand-700);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-md);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .16s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
.btn--primary{background:var(--brand-600);color:#fff;}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn--accent{background:var(--accent-500);color:#fff;}
.btn--accent:hover{background:#ef6b1c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn--ghost{background:var(--brand-050);color:var(--brand-600);}
.btn--ghost:hover{background:#dde7ff;color:var(--brand-700);}
.btn--outline{background:#fff;border-color:var(--brand-600);color:var(--brand-600);}
.btn--outline:hover{background:var(--brand-050);color:var(--brand-700);}
.btn--text{background:transparent;color:var(--brand-600);padding:0 8px;}
.btn--text:hover{color:var(--brand-700);}
.btn--lg{height:52px;padding:0 26px;font-size:16px;}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}
.header-nav{background:var(--bg-page);border-bottom:1px solid var(--line);}
.header-nav__list{display:flex;align-items:center;gap:32px;height:48px;overflow-x:auto;}
.header-nav__list a{position:relative;display:inline-flex;align-items:center;height:48px;font-size:15px;color:var(--ink-700);white-space:nowrap;}
.header-nav__list a:hover{color:var(--brand-600);}
.header-nav__list a.is-active{color:var(--brand-600);font-weight:600;}
.header-nav__list a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-600);border-radius:2px;}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;cursor:pointer;}
.burger svg{width:20px;height:20px;stroke:var(--ink-900);fill:none;stroke-width:1.75;stroke-linecap:round;}
.drawer-mask{position:fixed;inset:0;background:rgba(20,32,58,.45);opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:80;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;transform:translateX(100%);transition:transform .24s ease;z-index:90;display:flex;flex-direction:column;padding:20px;}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}
.drawer .search-bar{margin:0 0 16px;max-width:none;width:100%;}
.drawer nav a{display:flex;align-items:center;justify-content:space-between;height:48px;border-bottom:1px solid var(--line);color:var(--ink-700);font-size:15px;}
.drawer nav a:hover{color:var(--brand-600);}
.drawer nav a svg{width:16px;height:16px;stroke:var(--ink-500);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.drawer .drawer__foot{margin-top:auto;}

/* ---------- breadcrumb ---------- */
.crumb{background:#fff;border-bottom:1px solid var(--line);}
.crumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;height:48px;font-size:14px;color:var(--ink-500);}
.crumb li{display:flex;align-items:center;gap:8px;max-width:100%;}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#c3cddf;}
.crumb .current{color:var(--ink-700);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:420px;}

/* ---------- layout ---------- */
.page-main{padding:32px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-body{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:40px;max-width:840px;}
.article-head h1{font-size:34px;line-height:1.4;letter-spacing:-.5px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:14px;color:var(--ink-500);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#c3cddf;}
.article-meta a{color:var(--brand-600);}
.rule{height:1px;background:var(--line);border:0;margin:24px 0 28px;}

/* ---------- article content ---------- */
.entry{max-width:780px;font-size:16px;line-height:1.85;color:var(--ink-700);}
.entry>*+*{margin-top:1.4em;}
.entry h2{font-size:24px;line-height:1.4;margin-top:40px;padding-left:14px;position:relative;}
.entry h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-600);}
.entry h3{font-size:19px;margin-top:28px;}
.entry h4{font-size:17px;margin-top:24px;}
.entry ul,.entry ol{padding-left:22px;}
.entry ul{list-style:none;padding-left:0;}
.entry ul li{position:relative;padding-left:20px;}
.entry ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand-600);}
.entry ol{list-style:decimal;}
.entry blockquote{margin-left:0;margin-right:0;border-left:3px solid var(--brand-600);background:var(--bg-soft);border-radius:0 var(--r-md) var(--r-md) 0;padding:16px 20px;color:var(--ink-700);}
.entry img{border-radius:var(--r-md);}
.entry figure{margin:0;}
.entry figcaption{margin-top:8px;font-size:13px;text-align:center;color:var(--ink-500);}
.entry table{width:100%;border-collapse:collapse;border:1px solid var(--line);font-size:15px;}
.entry th,.entry td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.entry th{background:var(--bg-soft);color:var(--ink-900);font-weight:600;}
.entry a{color:var(--brand-600);border-bottom:1px solid transparent;}
.entry a:hover{border-bottom-color:var(--brand-600);}
.entry code{background:var(--accent-050);color:#b8541a;border-radius:var(--r-sm);padding:2px 6px;font-size:14px;}
.entry .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;background:var(--brand-050);color:var(--brand-600);}
.note{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);line-height:1.8;}
.back-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--bg-soft);padding:56px 24px;text-align:center;color:var(--ink-500);}
.empty-state svg{width:40px;height:40px;stroke:var(--ink-500);fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 14px;}
.empty-state strong{display:block;font-size:17px;color:var(--ink-900);margin-bottom:6px;}

/* ---------- sidebar ---------- */
.side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:20px;}
.side-card h2,.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h2::before,.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-600);}
.side-list li+li{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);}
.side-list a{display:block;font-size:15px;color:var(--ink-900);font-weight:600;line-height:1.55;}
.side-list a:hover{color:var(--brand-600);}
.side-list span{display:block;margin-top:6px;font-size:13px;color:var(--ink-500);}
.side-cta{background:linear-gradient(180deg,#fff 0%,var(--brand-050) 100%);border-color:#d7e2ff;}
.side-cta p{font-size:14px;color:var(--ink-700);margin-bottom:14px;}
.side-cta .btn{width:100%;}
.side-cta .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;background:#fff;border:1px solid var(--line);color:var(--ink-700);}
.pill--accent{background:var(--accent-050);border-color:#ffd8bb;color:#c25a12;}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section--tight{padding:48px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:26px;line-height:1.35;padding-left:14px;position:relative;}
.section-head h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--brand-600);}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-500);}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(30,79,216,.35);}
.card__media{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);}
.card__media img{width:100%;height:100%;object-fit:cover;border:0;border-radius:0;}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card__body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__body p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-500);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-sm);font-size:12px;background:var(--brand-050);color:var(--brand-600);}
.badge--accent{background:var(--accent-050);color:#c25a12;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);}
.link-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.link-more:hover svg{transform:translateX(3px);}
.related-empty{text-align:center;color:var(--ink-500);font-size:14px;padding:28px 0;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--bg-soft);}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq__item+.faq__item{border-top:1px solid var(--line);}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:#fff;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);cursor:pointer;position:relative;}
.faq__q:hover{background:var(--bg-soft);}
.faq__q svg{width:20px;height:20px;flex:0 0 auto;stroke:var(--brand-600);fill:none;stroke-width:1.75;stroke-linecap:round;transition:transform .2s ease;}
.faq__item.is-open .faq__q{background:var(--bg-soft);}
.faq__item.is-open .faq__q::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-600);}
.faq__item.is-open .faq__q svg{transform:rotate(45deg);}
.faq__a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-700);}
.faq__item.is-open .faq__a{display:block;}

/* ---------- CTA ---------- */
.cta-band{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-xl);padding:32px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;}
.cta-band h2{font-size:22px;margin-bottom:8px;}
.cta-band p{font-size:14px;color:var(--ink-500);}
.cta-band .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.cta-band__action{display:flex;align-items:center;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);margin-top:64px;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--ink-500);max-width:320px;}
.footer-col h3{font-size:15px;margin-bottom:14px;}
.footer-col li+li{margin-top:10px;}
.footer-col a{font-size:14px;color:var(--ink-700);}
.footer-col a:hover{color:var(--brand-600);}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-500);}
.footer-bottom a{color:var(--ink-500);}
.footer-bottom a:hover{color:var(--brand-600);}

@media (max-width:1023px){
  .header-nav{display:none;}
  .search-bar{display:none;}
  .burger{display:inline-flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side{position:static;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-top{height:60px;gap:12px;}
  .logo{font-size:16px;}
  .header-actions .btn--text{display:none;}
  .article-body{padding:24px 20px;}
  .article-head h1{font-size:26px;}
  .section{padding:48px 0;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:24px 20px;}
  .cta-band__action{width:100%;}
  .cta-band__action .btn{width:100%;}
  .crumb ol{height:auto;padding:12px 0;}
  .crumb .current{max-width:200px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .entry{font-size:15px;}
}
@media (max-width:479px){
  .article-head h1{font-size:23px;}
  .section-head h2{font-size:22px;}
}

/* roulang page: category1 */
:root{
  --brand-600:#1E4FD8;
  --brand-700:#163AA8;
  --brand-050:#EAF0FF;
  --accent-500:#FF7A29;
  --accent-050:#FFF1E6;
  --success-500:#12A594;
  --ink-900:#14203A;
  --ink-700:#35456A;
  --ink-500:#6B7A99;
  --line:#E5EAF3;
  --bg-page:#F5F7FB;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F4FC;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;

  --shadow-card:0 2px 8px rgba(20,32,58,.06);
  --shadow-card-hover:0 12px 28px rgba(20,32,58,.12);
  --shadow-pop:0 8px 24px rgba(20,32,58,.10);

  --container:1200px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg-page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .16s ease,background-color .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease;
}
.btn--primary{background:var(--brand-600);color:#fff;}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-pop);}
.btn--primary:active{transform:translateY(1px);box-shadow:none;}
.btn--accent{background:var(--accent-500);color:#fff;}
.btn--accent:hover{background:#E96A1C;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-pop);}
.btn--accent:active{transform:translateY(1px);box-shadow:none;}
.btn--outline{background:#fff;color:var(--brand-600);border-color:var(--brand-600);}
.btn--outline:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-700);transform:translateY(-1px);}
.btn--outline:active{transform:translateY(1px);}
.btn--ghost{background:var(--brand-050);color:var(--brand-600);}
.btn--ghost:hover{background:#DDE7FF;color:var(--brand-700);}
.btn--text{background:transparent;color:var(--ink-700);padding:0 12px;}
.btn--text:hover{color:var(--brand-600);background:var(--brand-050);}
.btn--lg{height:52px;padding:0 28px;font-size:16px;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-sm);
  font-size:12px;
  font-weight:600;
  line-height:1;
}
.badge--free{background:#EEF1F7;color:var(--ink-500);}
.badge--standard{background:var(--brand-050);color:var(--brand-600);}
.badge--premium{background:var(--accent-050);color:var(--accent-500);}
.badge--soft{background:var(--bg-soft);color:var(--ink-700);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-pop);}
.header-top{background:#fff;}
.header-top__inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-stuck .header-top__inner{height:60px;}

.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink-900);
}
.logo__mark{
  width:28px;height:28px;flex-shrink:0;
  border-radius:9px;
  background:linear-gradient(140deg,var(--brand-600),#3C6BEE);
  display:flex;align-items:center;justify-content:center;
  transition:width .2s ease,height .2s ease;
}
.site-header.is-stuck .logo__mark{width:24px;height:24px;}
.logo__text{
  font-size:18px;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--ink-900);
  white-space:nowrap;
}
.logo__text em{font-style:normal;color:var(--brand-600);}
.site-header.is-stuck .logo__text{font-size:16px;}

.search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:560px;
  height:48px;
  margin:0 auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding-left:20px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search:focus-within{
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(30,79,216,.12);
}
.search__icon{display:flex;color:var(--ink-500);flex-shrink:0;}
.search__input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  padding:0 12px;
  color:var(--ink-900);
  outline:none;
}
.search__input::placeholder{color:var(--ink-500);}
.search__btn{
  height:38px;
  margin-right:5px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--brand-600);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color .16s ease;
}
.search__btn:hover{background:var(--brand-700);}
.search__btn:active{transform:translateY(1px);}

.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}

.hamburger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  color:var(--ink-900);
  flex-shrink:0;
}
.hamburger:hover{border-color:var(--brand-600);color:var(--brand-600);}

.header-nav{
  background:var(--bg-page);
  border-top:1px solid var(--line);
}
.header-nav__list{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.header-nav__list::-webkit-scrollbar{display:none;}
.header-nav__list li{flex:0 0 auto;}
.header-nav__list a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  padding:0 16px;
  font-size:15px;
  color:var(--ink-700);
  font-weight:500;
}
.header-nav__list a:hover{color:var(--brand-600);}
.header-nav__list a.is-active{color:var(--brand-600);font-weight:600;}
.header-nav__list a.is-active::after{
  content:"";
  position:absolute;
  left:16px;right:16px;bottom:0;
  height:2px;
  background:var(--brand-600);
  border-radius:2px;
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  visibility:hidden;
  pointer-events:none;
}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer__mask{
  position:absolute;inset:0;
  background:rgba(20,32,58,.45);
  opacity:0;
  transition:opacity .24s ease;
}
.drawer.is-open .drawer__mask{opacity:1;}
.drawer__panel{
  position:absolute;
  top:0;right:0;bottom:0;
  width:82vw;
  max-width:360px;
  background:#fff;
  display:flex;
  flex-direction:column;
  padding:20px;
  transform:translateX(100%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:16px;
}
.drawer__close{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;color:var(--ink-700);
  font-size:20px;line-height:1;
}
.drawer__close:hover{border-color:var(--brand-600);color:var(--brand-600);}
.search--drawer{max-width:none;width:100%;margin:0 0 16px;}
.drawer__list{margin-bottom:16px;}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  color:var(--ink-700);
  font-size:15px;
}
.drawer__list a.is-active{color:var(--brand-600);font-weight:600;}
.drawer__list a::after{
  content:"";
  width:8px;height:8px;
  border-top:1.75px solid var(--ink-500);
  border-right:1.75px solid var(--ink-500);
  transform:rotate(45deg);
}
.drawer__cta{margin-top:auto;padding-top:16px;}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section--soft{background:var(--bg-soft);}
.section--card{background:#fff;}
.section__head{margin-bottom:36px;max-width:760px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  letter-spacing:.04em;
  margin-bottom:12px;
}
.section__eyebrow::before{
  content:"";width:18px;height:2px;border-radius:2px;background:var(--brand-600);
}
.section__title{
  position:relative;
  padding-left:16px;
  font-size:28px;
  line-height:1.35;
  letter-spacing:-.3px;
}
.section__title::before{
  content:"";
  position:absolute;left:0;top:6px;
  width:4px;height:20px;
  border-radius:2px;
  background:var(--brand-600);
}
.section__sub{margin-top:12px;color:var(--ink-500);font-size:15px;}

/* ---------- 分类页 Hero ---------- */
.hero-cat{
  background:linear-gradient(180deg,var(--bg-soft),#fff);
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.hero-cat__grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  color:var(--brand-600);
  font-size:13px;font-weight:600;
  margin:0 0 16px;
}
.hero-cat h1{
  font-size:34px;
  line-height:1.3;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-cat__sub{
  font-size:16px;
  color:var(--ink-700);
  max-width:560px;
  margin-bottom:24px;
}
.hero-cat__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-cat__trust{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  font-size:14px;color:var(--ink-500);
}
.hero-cat__trust li{display:flex;align-items:center;gap:8px;}
.hero-cat__trust li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--success-500);
}
.hero-cat__media{
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:var(--bg-soft);
}
.hero-cat__media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}

/* ---------- 左文右图 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split__text h2{font-size:28px;line-height:1.35;margin-bottom:16px;}
.split__text > p{color:var(--ink-700);margin-bottom:20px;}
.split__media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:var(--bg-soft);
}
.split__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

.checklist{display:grid;gap:18px;}
.checklist__item{display:flex;gap:14px;align-items:flex-start;}
.checklist__icon{
  flex:0 0 auto;
  width:32px;height:32px;
  border-radius:10px;
  background:var(--brand-050);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
}
.checklist__icon svg{width:18px;height:18px;}
.checklist__item strong{
  display:block;
  font-size:16px;
  color:var(--ink-900);
  font-weight:600;
  margin-bottom:2px;
}
.checklist__item p{font-size:14px;color:var(--ink-500);margin:0;}

/* ---------- 指标卡 ---------- */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.metric{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(30,79,216,.3);}
.metric__num{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  margin-bottom:6px;
}
.metric__label{display:block;font-size:13px;color:var(--ink-500);line-height:1.5;}

/* ---------- 卡片栅格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(30,79,216,.3);}
.card__img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-soft);}
.card__body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.card__title{font-size:17px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.card__desc{
  font-size:14px;
  color:var(--ink-500);
  line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
}
.link-more::after{content:"→";transition:transform .18s ease;}
.link-more:hover{color:var(--brand-700);}
.link-more:hover::after{transform:translateX(3px);}

/* ---------- 最新信息精简列表 ---------- */
.news-mini{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.news-mini__item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 24px;
  border-bottom:1px solid var(--line);
  transition:background-color .16s ease;
}
.news-mini__item:last-child{border-bottom:0;}
.news-mini__item:hover{background:var(--brand-050);}
.news-mini__t{
  font-size:15px;
  color:var(--ink-900);
  font-weight:500;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.news-mini__d{
  flex:0 0 auto;
  font-size:14px;
  color:var(--ink-500);
  font-variant-numeric:tabular-nums;
}
.news-empty{
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:#fff;
  height:120px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  color:var(--ink-500);
  font-size:14px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band__text h2{font-size:24px;margin-bottom:10px;}
.cta-band__text p{font-size:14px;color:var(--ink-500);margin:0;}
.cta-band__pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.cta-band__action{flex:0 0 auto;}

.pill-link{
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-700);
  font-size:14px;font-weight:500;
  transition:border-color .16s ease,color .16s ease,background-color .16s ease;
}
.pill-link:hover{border-color:var(--brand-600);color:var(--brand-600);background:var(--brand-050);}
.related-cats{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.related-cats__label{font-size:14px;color:var(--ink-500);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  padding:56px 0 0;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:var(--ink-900);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--ink-700);}
.footer-col ul a:hover{color:var(--brand-600);}
.footer-col--brand p{
  font-size:14px;
  color:var(--ink-500);
  line-height:1.8;
  margin-top:14px;
  max-width:360px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-500);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .search{max-width:420px;}
  .hero-cat__grid{gap:36px;}
  .split{gap:40px;}
}

@media (max-width:1023px){
  .header-nav{display:none;}
  .header-actions{display:none;}
  .search:not(.search--drawer){display:none;}
  .hamburger{display:inline-flex;}
  .header-top__inner{justify-content:space-between;}
  .logo{margin-right:auto;}
  .hero-cat{padding:44px 0 52px;}
  .hero-cat__grid{grid-template-columns:1fr;gap:28px;}
  .hero-cat__media{order:-1;}
  .hero-cat h1{font-size:30px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band__action{width:100%;}
  .cta-band__action .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767px){
  .container{padding:0 16px;}
  .header-top__inner{height:60px;}
  .site-header.is-stuck .header-top__inner{height:56px;}
  .logo__text{font-size:16px;}
  .section{padding:48px 0;}
  .section__title{font-size:22px;}
  .hero-cat h1{font-size:26px;line-height:1.35;}
  .hero-cat__sub{font-size:15px;}
  .hero-cat__actions{gap:10px;}
  .hero-cat__actions .btn{flex:1 1 100%;}
  .metrics{gap:16px;}
  .metric{padding:20px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .card__body{padding:20px;}
  .cta-band{padding:28px 20px;border-radius:var(--r-lg);}
  .news-mini__item{padding:14px 16px;gap:12px;}
  .news-mini__t{font-size:14px;}
  .news-mini__d{font-size:13px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:479px){
  body{font-size:15px;line-height:1.7;}
  .hero-cat h1{font-size:23px;}
  .metrics{grid-template-columns:1fr 1fr;gap:12px;}
  .metric__num{font-size:20px;}
  .related-cats{align-items:stretch;}
  .pill-link{flex:1 1 auto;justify-content:center;}
}

/* roulang page: category2 */
:root{
  --brand-600:#1E4FD8;
  --brand-700:#163AA8;
  --brand-050:#EAF0FF;
  --accent-500:#FF7A29;
  --accent-050:#FFF1E6;
  --success-500:#12A594;
  --ink-900:#14203A;
  --ink-700:#35456A;
  --ink-500:#6B7A99;
  --line:#E5EAF3;
  --bg-page:#F5F7FB;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F4FC;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,32,58,.06);
  --sh-2:0 12px 28px rgba(20,32,58,.12);
  --sh-3:0 8px 24px rgba(20,32,58,.10);
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg-page);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-700)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.35;font-weight:700}
p{margin:0}
button{font-family:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand-600);color:#fff;
  padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:999;
}
.skip-link:focus{left:0;color:#fff}
.container{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn--primary{background:var(--brand-600);color:#fff}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn--accent{background:var(--accent-500);color:#fff}
.btn--accent:hover{background:#e96a1c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn--outline{background:#fff;border-color:var(--brand-600);color:var(--brand-600)}
.btn--outline:hover{background:var(--brand-050);color:var(--brand-700)}
.btn--ghost{background:var(--brand-050);color:var(--brand-600)}
.btn--ghost:hover{background:#dfe8ff;color:var(--brand-700)}
.btn--text{background:transparent;color:var(--ink-700);padding:0 10px;font-weight:600}
.btn--text:hover{color:var(--brand-600)}
.btn--lg{height:52px;padding:0 28px;font-size:16px}
.btn--sm{height:36px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-3)}
.header-top{border-bottom:1px solid var(--line)}
.site-header.is-stuck .header-top__inner{height:60px}
.header-top__inner{
  display:flex;align-items:center;gap:24px;height:72px;
  transition:height .25s var(--ease);
}
.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(140deg,var(--brand-600),#3f74f0);
  display:flex;align-items:center;justify-content:center;color:#fff;
  transition:width .25s var(--ease),height .25s var(--ease);
}
.logo__mark svg{width:18px;height:18px}
.site-header.is-stuck .logo__mark{width:28px;height:28px}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__text b{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:-.2px}
.logo__text span{font-size:11px;color:var(--ink-500);letter-spacing:1.2px;text-transform:uppercase}
.site-header.is-stuck .logo__text b{font-size:16px}

.search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:560px;margin:0 auto;height:48px;
  background:var(--bg-page);border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search:focus-within{border-color:var(--brand-600);background:#fff;box-shadow:0 0 0 3px rgba(30,79,216,.12)}
.search__icon{
  display:flex;align-items:center;justify-content:center;
  width:46px;flex:0 0 46px;color:var(--ink-500);
}
.search__input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:15px;color:var(--ink-900);outline:none;
}
.search__input::placeholder{color:#9aa7bf}
.search__btn{
  flex:0 0 88px;height:38px;margin-right:5px;border:0;border-radius:var(--r-sm);
  background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.search__btn:hover{background:var(--brand-700)}
.search__btn:active{transform:translateY(1px)}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-md);
  color:var(--ink-700);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-600)}

.header-nav{background:#fff;border-bottom:1px solid var(--line)}
.header-nav__list{display:flex;align-items:center;gap:32px;height:48px}
.header-nav__list a{
  position:relative;display:inline-flex;align-items:center;height:48px;
  font-size:15px;font-weight:600;color:var(--ink-700);
}
.header-nav__list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.header-nav__list a:hover{color:var(--brand-600)}
.header-nav__list a:hover::after{transform:scaleX(1)}
.header-nav__list a.is-active{color:var(--brand-600)}
.header-nav__list a.is-active::after{transform:scaleX(1)}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,32,58,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;
  transform:translateX(100%);transition:transform .28s var(--ease);z-index:210;
  display:flex;flex-direction:column;box-shadow:var(--sh-2);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer__title{font-size:15px;font-weight:700;color:var(--ink-900)}
.drawer__close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;color:var(--ink-700);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.drawer__close:hover{border-color:var(--brand-600);color:var(--brand-600)}
.drawer__search{padding:16px 20px 4px}
.drawer__list{padding:12px 8px;flex:1 1 auto;overflow-y:auto}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 12px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:var(--ink-700);
}
.drawer__list a:hover{background:var(--brand-050);color:var(--brand-600)}
.drawer__list a.is-active{background:var(--brand-050);color:var(--brand-600)}
.drawer__foot{padding:16px 20px;border-top:1px solid var(--line)}

/* ============ Hero ============ */
.hero{background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%);border-bottom:1px solid var(--line)}
.hero__inner{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;align-items:center;padding:56px 0 64px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);margin-bottom:14px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb span.sep{color:#c3cde0}
.hero h1{font-size:36px;line-height:1.3;letter-spacing:-.5px;margin-bottom:16px}
.hero__lead{font-size:17px;line-height:1.8;color:var(--ink-700);max-width:640px;margin-bottom:24px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero__media{margin:0}
.hero__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);
  border:1px solid var(--line);box-shadow:var(--sh-3);
}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section--soft{background:var(--bg-soft)}
.section--white{background:#fff}
.section__head{max-width:780px;margin-bottom:36px}
.section__head h2{
  position:relative;font-size:28px;line-height:1.35;padding-left:16px;margin-bottom:12px;
}
.section__head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;
  border-radius:2px;background:var(--brand-600);
}
.section__head p{font-size:16px;color:var(--ink-700)}

/* ============ 数据指标 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(30,79,216,.3)}
.stat-card b{
  display:block;font-size:26px;font-weight:700;color:var(--brand-600);
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px;
}
.stat-card b em{font-size:15px;font-style:normal;color:var(--ink-500);margin-left:4px}
.stat-card span{font-size:13px;color:var(--ink-500)}

/* ============ 专区方向卡 ============ */
.zone-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.zone-card{
  position:relative;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.zone-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(30,79,216,.3)}
.zone-card__icon{
  width:44px;height:44px;border-radius:var(--r-md);background:var(--brand-050);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.zone-card h3{font-size:18px;margin-bottom:10px}
.zone-card p{font-size:15px;line-height:1.75;color:var(--ink-700);margin-bottom:16px}
.zone-card__meta{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 标签 ============ */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-sm);background:var(--brand-050);color:var(--brand-600);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.tag--accent{background:var(--accent-050);color:#d95f13}
.tag--success{background:rgba(18,165,148,.12);color:var(--success-500)}
.tag--gray{background:#eef2f9;color:var(--ink-500)}
.tag--pill{border-radius:var(--r-pill);height:28px;padding:0 14px;font-size:13px}

/* ============ 文字链 ============ */
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 时间线 ============ */
.timeline-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}
.timeline{position:relative;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand-600),#c8d6f6);border-radius:2px;
}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;
  border-radius:50%;background:#fff;border:2px solid var(--brand-600);
}
.tl-item time{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border-radius:var(--r-sm);padding:2px 10px;margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.tl-item h3{font-size:17px;margin-bottom:6px}
.tl-item p{font-size:15px;color:var(--ink-700)}
.timeline-aside{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.timeline-aside h3{font-size:17px;margin-bottom:14px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--ink-700);padding:10px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list svg{flex:0 0 18px;margin-top:4px;color:var(--success-500)}

/* ============ 配图卡片 ============ */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pick-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pick-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(30,79,216,.3)}
.pick-card__media{position:relative;overflow:hidden}
.pick-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pick-card__badge{
  position:absolute;left:12px;top:12px;height:24px;padding:0 10px;
  display:inline-flex;align-items:center;border-radius:var(--r-sm);
  background:var(--accent-500);color:#fff;font-size:12px;font-weight:600;
}
.pick-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.pick-card__body h3{font-size:17px;line-height:1.5}
.pick-card__body p{
  font-size:15px;color:var(--ink-700);flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pick-card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px}
.faq-item{border-bottom:1px solid var(--line);background:var(--bg-card)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 18px 20px 0;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink-900);cursor:pointer;line-height:1.6;
}
.faq-q::before{
  content:"";position:absolute;left:-14px;top:16px;bottom:16px;width:3px;
  background:var(--brand-600);border-radius:2px;opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q:hover{color:var(--brand-600)}
.faq-icon{
  flex:0 0 20px;width:20px;height:20px;color:var(--brand-600);
  transition:transform .25s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{font-size:15px;line-height:1.8;color:var(--ink-700);padding:0 32px 22px 0;max-width:740px}

/* ============ 最新信息 ============ */
.news-mini{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:8px 24px;box-shadow:var(--sh-1);
}
.news-mini__item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px dashed var(--line)}
.news-mini__item:last-child{border-bottom:0}
.news-mini__item a{
  font-size:15px;font-weight:600;color:var(--ink-900);
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.news-mini__item a:hover{color:var(--brand-600)}
.news-mini__item time{font-size:14px;color:var(--ink-500);flex:0 0 auto;font-variant-numeric:tabular-nums}
.news-mini__empty{padding:24px 0;font-size:15px;color:var(--ink-500)}

/* ============ CTA ============ */
.cta-band{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--ink-700);margin-bottom:16px}
.cta-band__pills{display:flex;flex-wrap:wrap;gap:8px}
.pill-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.pill-links .tag--pill:hover{background:var(--brand-600);color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding-top:56px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand b{display:block;font-size:17px;font-weight:700;color:var(--ink-900);margin-bottom:12px}
.footer-brand p{font-size:14px;color:var(--ink-700);line-height:1.8;margin-bottom:16px}
.footer-quote{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:12px 16px;max-width:320px;
}
.footer-quote .avatar{
  flex:0 0 38px;width:38px;height:38px;border-radius:50%;background:var(--brand-600);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;
}
.footer-quote div{display:flex;flex-direction:column;line-height:1.4}
.footer-quote strong{font-size:14px;color:var(--ink-900)}
.footer-quote small{font-size:12px;color:var(--ink-500)}
.footer-col h3{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--ink-700)}
.footer-col a:hover{color:var(--brand-600)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-500);
}
.footer-bottom a{color:var(--ink-500)}
.footer-bottom a:hover{color:var(--brand-600)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .search{max-width:420px}
  .hero h1{font-size:32px}
  .hero__inner{gap:36px}
}
@media (max-width:1023px){
  .header-nav{display:none}
  .search{display:none}
  .nav-toggle{display:flex}
  .hero__inner{grid-template-columns:1fr;padding:40px 0 48px}
  .hero__media{order:-1}
  .hero h1{font-size:30px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .zone-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-top__inner{height:60px;gap:12px}
  .logo__text span{display:none}
  .logo__text b{font-size:16px}
  .header-actions .btn--text{display:none}
  .section{padding:48px 0}
  .section__head h2{font-size:22px}
  .section__head h2::before{height:18px;top:5px}
  .hero h1{font-size:26px}
  .hero__lead{font-size:16px}
  .hero__actions .btn{width:100%}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .stat-card{padding:20px}
  .stat-card b{font-size:22px}
  .zone-grid{grid-template-columns:1fr;gap:16px}
  .pick-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .news-mini{padding:6px 16px}
  .news-mini__item{flex-direction:column;align-items:flex-start;gap:4px}
  .news-mini__item a{white-space:normal}
  .faq-q{font-size:16px;padding-right:0}
  .faq-a p{padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .header-actions .btn--accent{height:36px;padding:0 14px;font-size:14px}
  .stat-grid{grid-template-columns:1fr}
  .hero h1{font-size:23px}
  .section__head h2{font-size:20px}
}

/* roulang page: category3 */
:root{
  --brand-600:#1E4FD8;
  --brand-700:#163AA8;
  --brand-050:#EAF0FF;
  --accent-500:#FF7A29;
  --accent-050:#FFF1E6;
  --success-500:#12A594;
  --ink-900:#14203A;
  --ink-700:#35456A;
  --ink-500:#6B7A99;
  --line:#E5EAF3;
  --bg-page:#F5F7FB;
  --bg-card:#FFFFFF;
  --bg-soft:#F0F4FC;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;

  --sh-card:0 2px 8px rgba(20,32,58,.06);
  --sh-hover:0 12px 28px rgba(20,32,58,.12);
  --sh-pop:0 8px 24px rgba(20,32,58,.10);

  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:20px;
  --sp-6:24px;
  --sp-8:32px;
  --sp-10:40px;
  --sp-12:48px;

  --container:1200px;
  --header-h:72px;
  --font:"-apple-system","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg-page);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:var(--r-sm);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--sp-6);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-2);
  height:44px;
  padding:0 var(--sp-5);
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,
             transform .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--brand-600);color:#fff;box-shadow:0 2px 8px rgba(30,79,216,.22);}
.btn--primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,216,.26);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 1px 4px rgba(30,79,216,.2);}
.btn--accent{background:var(--accent-500);color:#fff;box-shadow:0 2px 8px rgba(255,122,41,.24);}
.btn--accent:hover{background:#e96a1c;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,122,41,.28);}
.btn--accent:active{transform:translateY(1px);box-shadow:0 1px 4px rgba(255,122,41,.2);}
.btn--outline{background:#fff;border-color:var(--brand-600);color:var(--brand-600);}
.btn--outline:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-700);transform:translateY(-1px);}
.btn--outline:active{transform:translateY(1px);box-shadow:none;}
.btn--ghost{background:var(--brand-050);color:var(--brand-600);}
.btn--ghost:hover{background:#dde7ff;color:var(--brand-700);}
.btn--text{height:auto;padding:0;background:none;color:var(--brand-600);font-weight:600;}
.btn--text:hover{color:var(--brand-700);text-decoration:underline;}
.btn--text::after{content:"→";margin-left:4px;font-weight:400;}
.btn--sm{height:36px;padding:0 var(--sp-4);font-size:14px;}
.btn--lg{height:52px;padding:0 var(--sp-8);font-size:16px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg-card);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-pop);}
.header-top__inner{
  display:flex;
  align-items:center;
  gap:var(--sp-6);
  height:var(--header-h);
  transition:height .22s ease;
}
.site-header.is-stuck .header-top__inner{height:60px;}

.logo{
  display:flex;
  align-items:center;
  gap:var(--sp-3);
  flex:0 0 auto;
  color:var(--ink-900);
}
.logo:hover{color:var(--brand-700);}
.logo__mark{
  width:26px;height:26px;flex:0 0 auto;
  border-radius:8px;
  background:var(--brand-600);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 6px rgba(30,79,216,.3);
}
.logo__text{
  font-size:18px;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--brand-600);
  white-space:nowrap;
}
.site-header.is-stuck .logo__text{font-size:17px;}

.header-search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:560px;
  height:48px;
  margin:0 auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.header-search:focus-within{
  border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(30,79,216,.12);
}
.header-search__icon{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:100%;
  color:var(--ink-500);
  flex:0 0 auto;
}
.header-search__input{
  flex:1 1 auto;
  height:100%;
  border:0;
  background:transparent;
  color:var(--ink-900);
  font-size:15px;
  outline:none;
  min-width:0;
}
.header-search__input::placeholder{color:var(--ink-500);}
.header-search__btn{
  height:38px;
  margin-right:5px;
  padding:0 var(--sp-5);
  flex:0 0 auto;
}

.header-actions{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  flex:0 0 auto;
}
.header-actions .btn--text{font-size:15px;}

.burger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--r-md);
  color:var(--ink-900);
  border:1px solid var(--line);
  background:#fff;
  flex:0 0 auto;
}
.burger:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-600);}

.header-nav{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
}
.header-nav__list{
  display:flex;
  align-items:center;
  gap:var(--sp-8);
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.header-nav__list::-webkit-scrollbar{display:none;}
.header-nav__list a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  white-space:nowrap;
}
.header-nav__list a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:2px;background:transparent;
  border-radius:2px;
}
.header-nav__list a:hover{color:var(--brand-600);}
.header-nav__list a.is-active{color:var(--brand-600);font-weight:600;}
.header-nav__list a.is-active::after{background:var(--brand-600);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(20,32,58,.45);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:82vw;max-width:360px;
  background:#fff;
  z-index:90;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .28s ease;
  box-shadow:-8px 0 28px rgba(20,32,58,.16);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--sp-4);
  padding:var(--sp-4) var(--sp-5);
  border-bottom:1px solid var(--line);
}
.drawer__head strong{font-size:16px;color:var(--ink-900);}
.drawer__close{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);
  color:var(--ink-500);
  border:1px solid var(--line);
}
.drawer__close:hover{color:var(--brand-600);border-color:var(--brand-600);background:var(--brand-050);}
.drawer__body{padding:var(--sp-5);overflow-y:auto;flex:1 1 auto;}
.drawer__search{
  display:flex;align-items:center;
  height:48px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding-left:var(--sp-4);
  background:#fff;
  margin-bottom:var(--sp-5);
}
.drawer__search:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(30,79,216,.12);}
.drawer__search input{flex:1 1 auto;border:0;height:100%;outline:none;background:transparent;min-width:0;}
.drawer__list li + li{border-top:1px solid var(--line);}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;
  font-size:15px;
  color:var(--ink-700);
}
.drawer__list a::after{content:"›";color:var(--ink-500);font-size:18px;line-height:1;}
.drawer__list a.is-active{color:var(--brand-600);font-weight:600;}
.drawer__foot{
  padding:var(--sp-4) var(--sp-5);
  border-top:1px solid var(--line);
  background:var(--bg-soft);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:var(--sp-5) 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-2);font-size:14px;color:var(--ink-500);}
.breadcrumb li{display:flex;align-items:center;gap:var(--sp-2);}
.breadcrumb li + li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb [aria-current="page"]{color:var(--ink-700);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{padding:var(--sp-6) 0 var(--sp-12);}
.page-hero__inner{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:var(--sp-12);
  align-items:center;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:var(--sp-12);
}
.page-hero__eyebrow{
  display:inline-flex;align-items:center;gap:var(--sp-2);
  height:28px;padding:0 var(--sp-3);
  border-radius:var(--r-pill);
  background:var(--accent-050);
  color:#c25a12;
  font-size:13px;font-weight:600;
  margin-bottom:var(--sp-4);
}
.page-hero h1{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--ink-900);
  margin-bottom:var(--sp-4);
}
.page-hero__desc{
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  max-width:36em;
  margin-bottom:var(--sp-6);
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:var(--sp-4);margin-bottom:var(--sp-6);}
.page-hero__facts{
  display:flex;flex-wrap:wrap;gap:var(--sp-8);
  padding-top:var(--sp-5);
  border-top:1px dashed var(--line);
}
.page-hero__fact strong{display:block;font-size:22px;font-weight:700;color:var(--ink-900);line-height:1.3;}
.page-hero__fact span{font-size:13px;color:var(--ink-500);}
.page-hero__media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--bg-soft);
}
.page-hero__media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 板块 ---------- */
.section{padding:80px 0;}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section__head{max-width:820px;margin-bottom:var(--sp-8);}
.section__title{
  position:relative;
  padding-left:var(--sp-4);
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.3px;
  color:var(--ink-900);
  margin-bottom:var(--sp-3);
}
.section__title::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:2px;background:var(--brand-600);
}
.section__sub{font-size:15px;color:var(--ink-500);max-width:44em;}

/* ---------- 问答列表（默认展开） ---------- */
.qa-list{display:grid;gap:var(--sp-4);}
.qa-item{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-left:3px solid var(--brand-600);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  padding:var(--sp-6);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.qa-item:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:var(--brand-050);border-left-color:var(--brand-700);}
.qa-item__q{
  display:flex;gap:var(--sp-3);
  font-size:17px;font-weight:600;color:var(--ink-900);
  margin-bottom:var(--sp-3);
}
.qa-item__q .qa-index{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:var(--r-sm);
  background:var(--brand-050);color:var(--brand-600);
  font-size:13px;font-weight:700;
  margin-top:2px;
}
.qa-item__a{
  padding-left:38px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-700);
}
.qa-item__a p + p{margin-top:.8em;}

/* ---------- 键值对照表 ---------- */
.spec-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.spec-table{width:100%;}
.spec-table__row{
  display:grid;
  grid-template-columns:minmax(0,260px) minmax(0,1fr);
  gap:var(--sp-6);
  padding:var(--sp-5) var(--sp-6);
  border-bottom:1px solid var(--line);
  align-items:start;
}
.spec-table__row:last-child{border-bottom:0;}
.spec-table__row:nth-child(odd){background:var(--bg-soft);}
.spec-table__key{font-size:15px;font-weight:600;color:var(--ink-900);}
.spec-table__value{font-size:15px;color:var(--ink-700);line-height:1.8;}
.spec-table__value .tag{margin-right:var(--sp-2);}

.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 var(--sp-3);
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:var(--brand-050);color:var(--brand-600);
}
.tag--accent{background:var(--accent-050);color:#c25a12;}
.tag--success{background:rgba(18,165,148,.12);color:#0d7d70;}
.tag--muted{background:#EEF1F7;color:var(--ink-500);}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-6);}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(30,79,216,.3);}
.card__media{
  aspect-ratio:16/10;
  background:var(--bg-soft);
  overflow:hidden;
}
.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:var(--sp-6);display:flex;flex-direction:column;gap:var(--sp-3);flex:1 1 auto;}
.card__title{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.card__desc{font-size:14px;color:var(--ink-500);line-height:1.8;}
.card__foot{margin-top:auto;padding-top:var(--sp-2);}
.card__link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
}
.card__link::after{content:"→";font-weight:400;}
.card__link:hover{color:var(--brand-700);text-decoration:underline;}

/* ---------- 最新信息（精简） ---------- */
.mini-news{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.mini-news__item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-6);
  padding:var(--sp-4) var(--sp-6);
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.mini-news__item:last-child{border-bottom:0;}
.mini-news__item:hover{background:var(--bg-soft);}
.mini-news__main{min-width:0;}
.mini-news__title{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--ink-900);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.mini-news__title:hover{color:var(--brand-600);}
.mini-news__meta{display:flex;align-items:center;gap:var(--sp-3);flex:0 0 auto;}
.mini-news__time{font-size:13px;color:var(--ink-500);white-space:nowrap;}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:var(--sp-2);
  min-height:120px;
  padding:var(--sp-6);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  color:var(--ink-500);
  font-size:14px;
  text-align:center;
  background:var(--bg-card);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:var(--sp-10);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-8);
  box-shadow:var(--sh-card);
}
.cta-band__text{max-width:640px;}
.cta-band__title{font-size:24px;font-weight:700;color:var(--ink-900);line-height:1.4;margin-bottom:var(--sp-3);}
.cta-band__desc{font-size:15px;color:var(--ink-700);margin-bottom:var(--sp-4);}
.chip-row{display:flex;flex-wrap:wrap;gap:var(--sp-2);}
.chip{
  display:inline-flex;align-items:center;
  height:26px;padding:0 var(--sp-3);
  border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:12px;color:var(--ink-700);
}
.cta-band__action{flex:0 0 auto;}

/* ---------- 相关分类 ---------- */
.pill-links{display:flex;flex-wrap:wrap;gap:var(--sp-3);}
.pill-link{
  display:inline-flex;align-items:center;gap:var(--sp-2);
  height:44px;padding:0 var(--sp-5);
  border-radius:var(--r-pill);
  background:var(--bg-card);
  border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-700);
  box-shadow:var(--sh-card);
  transition:border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.pill-link::after{content:"→";font-weight:400;color:var(--ink-500);}
.pill-link:hover{
  color:var(--brand-600);
  border-color:var(--brand-600);
  transform:translateY(-1px);
  box-shadow:var(--sh-hover);
}
.pill-link:active{transform:translateY(1px);box-shadow:var(--sh-card);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:var(--sp-10);
  padding-bottom:var(--sp-10);
}
.footer-brand__logo{
  display:flex;align-items:center;gap:var(--sp-3);
  margin-bottom:var(--sp-4);
  font-size:17px;font-weight:700;color:var(--brand-600);
}
.footer-brand p{font-size:14px;color:var(--ink-500);line-height:1.85;max-width:34em;}
.footer-voice{
  display:flex;align-items:center;gap:var(--sp-3);
  margin-top:var(--sp-5);
  padding:var(--sp-4);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-card);
  max-width:340px;
}
.avatar{
  flex:0 0 auto;
  width:36px;height:36px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);
  font-size:14px;font-weight:700;
}
.footer-voice strong{display:block;font-size:14px;color:var(--ink-900);}
.footer-voice small{display:block;font-size:12px;color:var(--ink-500);}
.footer-col h3{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:var(--sp-4);}
.footer-col li + li{margin-top:var(--sp-3);}
.footer-col a{font-size:14px;color:var(--ink-700);}
.footer-col a:hover{color:var(--brand-600);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:var(--sp-5) 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-4);
  font-size:13px;
  color:var(--ink-500);
}
.footer-bottom a{color:var(--ink-500);}
.footer-bottom a:hover{color:var(--brand-600);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .header-search{max-width:420px;}
  .page-hero__inner{padding:var(--sp-10);gap:var(--sp-8);}
}
@media (max-width:1023px){
  .header-search{display:none;}
  .header-actions{display:none;}
  .burger{display:flex;}
  .header-nav{display:none;}
  .header-top__inner{height:60px;}
  .page-hero__inner{grid-template-columns:minmax(0,1fr);padding:var(--sp-8);}
  .page-hero__media{aspect-ratio:16/9;}
  .section{padding:64px 0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-8);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:var(--sp-8);}
  .cta-band__action{width:100%;}
  .cta-band__action .btn{width:100%;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 var(--sp-4);}
  .page-hero{padding:var(--sp-4) 0 var(--sp-8);}
  .page-hero__inner{padding:var(--sp-6);border-radius:var(--r-lg);}
  .page-hero h1{font-size:26px;}
  .page-hero__facts{gap:var(--sp-5);}
  .section{padding:48px 0;}
  .section__title{font-size:22px;}
  .qa-item{padding:var(--sp-5);}
  .qa-item__a{padding-left:0;}
  .spec-table__row{grid-template-columns:minmax(0,1fr);gap:var(--sp-2);padding:var(--sp-4) var(--sp-5);}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .mini-news__item{flex-direction:column;align-items:flex-start;gap:var(--sp-2);padding:var(--sp-4) var(--sp-5);}
  .mini-news__title{white-space:normal;}
  .cta-band__title{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-8);}
  .site-footer{padding-top:var(--sp-12);margin-top:var(--sp-12);}
}
@media (max-width:519px){
  .page-hero__actions .btn{width:100%;}
  .pill-links{flex-direction:column;}
  .pill-link{width:100%;justify-content:space-between;}
}