/* roulang page: index */
:root{
  --brand:#1666B0;
  --brand-dark:#0E4A82;
  --brand-light:#E8F1FA;
  --accent:#FF7A2B;
  --green:#17A673;
  --danger:#D9534F;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --line-strong:#C9D8E8;
  --text:#10233A;
  --muted:#5B6E85;
  --weak:#8B9BB0;
  --ph:#EAF0F7;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh1:0 2px 6px rgba(16,35,58,.06);
  --sh2:0 10px 28px rgba(16,35,58,.09);
  --sh3:0 18px 44px rgba(16,35,58,.14);
  --t:220ms ease;
  --bs-primary:#1666B0;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --bs-body-color:#10233A;
  --bs-border-radius:16px;
  --bs-link-color:#1666B0;
  --bs-link-hover-color:#0E4A82;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--brand-dark);}
ul,ol{list-style:none;margin:0;padding:0;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.28;color:var(--text);}
button{font:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.shell{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);position:relative;padding-left:18px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--brand-dark);}
.section-head .sub{margin:10px 0 0;color:var(--muted);font-size:15px;}
.link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ============ Dock 导航 ============ */
.dock-bar{position:sticky;top:16px;z-index:1040;padding:0 0 4px;}
.dock{
  display:flex;align-items:center;gap:14px;
  max-width:1140px;margin:0 auto;height:64px;padding:0 12px 0 22px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:0 8px 28px rgba(16,35,58,.08);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text);white-space:nowrap;}
.dock-logo .mark{
  width:30px;height:30px;border-radius:10px;flex:0 0 30px;
  background:linear-gradient(135deg,#1666B0,#0E4A82);
  color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.dock-logo:hover{color:var(--brand-dark);}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:14px;}
.dock-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;color:var(--muted);border-radius:var(--r-pill);font-weight:500;
}
.dock-link::after{
  content:"";position:absolute;left:50%;bottom:6px;height:2px;width:0;
  background:var(--accent);transform:translateX(-50%);transition:width 240ms ease;
}
.dock-link:hover{color:var(--brand-dark);}
.dock-link:hover::after{width:26px;}
.dock-link.is-active{color:var(--brand-dark);background:var(--brand-light);font-weight:700;}
.dock-link.is-active::after{display:none;}
.dock-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.dock-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 8px 0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#F7FAFD;color:var(--weak);font-size:14px;
}
.dock-search input{border:0;background:transparent;outline:none;width:118px;font-size:14px;color:var(--text);}
.dock-search input::placeholder{color:var(--weak);}
.dock-search .go{
  width:28px;height:28px;border:0;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;cursor:pointer;transition:background var(--t);
}
.dock-search .go:hover{background:var(--brand-dark);}
.dock-burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:14px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.dock-burger span{display:block;width:17px;height:2px;background:var(--text);border-radius:2px;}
.offcanvas{background:#fff;}
.offcanvas .oc-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:12px 16px;border-radius:14px;color:var(--text);font-size:16px;font-weight:600;
}
.offcanvas .oc-link + .oc-link{margin-top:6px;}
.offcanvas .oc-link:hover{background:var(--brand-light);color:var(--brand-dark);}
.offcanvas .oc-link.is-active{background:var(--brand-light);color:var(--brand-dark);}

/* ============ 按钮 ============ */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:700;cursor:pointer;transition:transform var(--t),background-color var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn-primary-mk{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,43,.24);}
.btn-primary-mk:hover{background:#F0651A;color:#fff;transform:translateY(-2px);}
.btn-brand-mk{background:var(--brand);color:#fff;}
.btn-brand-mk:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost-mk{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-mk:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-line-mk{background:#fff;border-color:var(--line-strong);color:var(--brand);}
.btn-line-mk:hover{background:#F3F8FD;border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm-mk{height:42px;padding:0 20px;font-size:15px;}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:660px;display:flex;align-items:center;margin-top:-80px;padding:150px 0 70px;
  background:#0A203A url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,32,58,.78) 0%,rgba(10,32,58,.52) 52%,rgba(10,32,58,.12) 100%);}
.hero > .shell{position:relative;z-index:2;}
.hero-inner{max-width:620px;color:#fff;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.45);background:rgba(10,32,58,.35);font-size:13px;letter-spacing:.04em;color:#EAF2FB;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;}
.hero h1{
  margin:20px 0 0;color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.22;
  text-shadow:0 2px 18px rgba(6,20,36,.4);
}
.hero-lead{margin:18px 0 0;font-size:19px;line-height:1.7;color:#D9E6F4;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-pill{
  display:inline-flex;flex-direction:column;gap:2px;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.38);background:rgba(10,32,58,.42);
}
.hero-pill b{font-size:17px;font-variant-numeric:tabular-nums;color:#fff;font-weight:800;}
.hero-pill span{font-size:12px;color:#B9CCE0;letter-spacing:.03em;}

/* ============ 横滑内容库 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:var(--r-pill);}
.rail-item{flex:0 0 306px;scroll-snap-align:start;}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:20px;width:44px;pointer-events:none;z-index:3;
}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),rgba(245,248,252,0));}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),rgba(245,248,252,0));}
.rail-nav{
  position:absolute;top:42%;transform:translateY(-50%);z-index:4;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);
  box-shadow:var(--sh2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;
  transition:transform var(--t),box-shadow var(--t),background var(--t);
}
.rail-nav:hover{background:var(--brand-light);box-shadow:var(--sh3);}
.rail-prev{left:-6px;}
.rail-next{right:-6px;}
.rail-progress{display:none;height:3px;border-radius:var(--r-pill);background:var(--line);overflow:hidden;margin-top:2px;}
.rail-progress span{display:block;height:100%;width:20%;background:var(--accent);border-radius:var(--r-pill);transition:width 180ms ease;}

/* ============ 卡片族 ============ */
.cover-card{
  display:block;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:var(--line-strong);}
.cover-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ph);}
.cover-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease;}
.cover-card:hover .cover-card__media img{transform:scale(1.04);}
.badge-corner{
  position:absolute;top:12px;left:12px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(10,32,58,.72);color:#fff;font-size:12px;display:inline-flex;align-items:center;font-weight:600;
}
.badge-corner--green{background:rgba(23,166,115,.9);}
.cover-card__body{padding:16px 18px 18px;}
.cover-card__body h3{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px;
}
.cover-card:hover .cover-card__body h3{color:var(--brand);}
.cover-card__meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--weak);}
.cover-card__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--weak);}

.tag-mk{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);font-size:12px;font-weight:600;
}
.tag-mk--line{background:#fff;border:1px solid var(--line-strong);color:var(--muted);}

/* 海报卡 3:4 */
.poster-card{display:block;background:transparent;}
.poster-card__media{
  position:relative;aspect-ratio:3/4;border-radius:var(--r-md);overflow:hidden;background:var(--ph);
  box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t);
}
.poster-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease;}
.poster-card:hover .poster-card__media{transform:translateY(-4px);box-shadow:var(--sh3);}
.poster-card:hover .poster-card__media img{transform:scale(1.04);}
.poster-card h3{font-size:15px;font-weight:700;margin-top:12px;line-height:1.5;}
.poster-card:hover h3{color:var(--brand);}
.poster-card p{margin:6px 0 0;font-size:13px;color:var(--weak);}

/* 排行 */
.rank-lead{position:relative;display:block;border-radius:var(--r-md);overflow:hidden;background:var(--ph);box-shadow:var(--sh1);}
.rank-lead img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rank-lead__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,32,58,0) 34%,rgba(10,32,58,.86) 100%);}
.rank-lead__text{position:absolute;left:0;right:0;bottom:0;padding:26px;}
.rank-lead__no{
  font-size:15px;font-weight:800;color:#FFD7BC;font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.rank-lead h3{color:#fff;font-size:23px;margin-top:8px;line-height:1.4;}
.rank-lead p{margin:10px 0 0;color:#C9DAEC;font-size:14px;line-height:1.7;}
.rank-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh1);overflow:hidden;}
.rank-item{
  display:flex;align-items:center;gap:18px;padding:18px 20px;border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:#F3F8FD;}
.rank-num{
  flex:0 0 46px;width:46px;text-align:center;font-size:26px;font-weight:800;
  color:var(--line-strong);font-variant-numeric:tabular-nums;line-height:1;
}
.rank-item:nth-child(1) .rank-num{color:var(--accent);}
.rank-item:nth-child(2) .rank-num{color:#F2994A;}
.rank-item:nth-child(3) .rank-num{color:#E0B03B;}
.rank-item__text{min-width:0;}
.rank-item__text h4{font-size:16px;font-weight:700;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-item__text p{margin:4px 0 0;font-size:13px;color:var(--weak);}

/* ============ 内容动态 CMS ============ */
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:var(--line-strong);}
.news-card__top{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.news-card__title{
  font-size:18px;font-weight:700;line-height:1.55;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-card__title{color:var(--brand);}
.news-card__excerpt{
  margin:12px 0 0;font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);border-top:1px solid var(--line);}
.news-card__foot .read{color:var(--brand);font-weight:600;}
.empty-state{
  text-align:center;padding:64px 24px;background:var(--card);border:1px dashed var(--line-strong);
  border-radius:var(--r-md);
}
.empty-state svg{width:48px;height:48px;stroke:var(--weak);fill:none;stroke-width:1.6;margin:0 auto 16px;}
.empty-state p{color:var(--muted);font-size:15px;margin:0 0 20px;}

/* ============ 片单分区 Tabs ============ */
.topic-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.topic-tab{
  height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--t);
}
.topic-tab:hover{border-color:var(--brand);color:var(--brand);}
.topic-tab.active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ============ 数据条 ============ */
.stats-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:44px 26px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-item b{display:block;font-size:38px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-item b em{font-style:normal;font-size:20px;color:var(--brand);margin-left:2px;}
.stat-item span{display:block;margin-top:10px;font-size:14px;color:var(--muted);}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--brand-light);border-radius:var(--r-lg);padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);color:var(--brand-dark);}
.cta-band p{margin:12px 0 0;color:var(--muted);font-size:15.5px;max-width:640px;}
.cta-band__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.accordion-mk .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md)!important;overflow:hidden;box-shadow:var(--sh1);
}
.accordion-mk .accordion-item + .accordion-item{margin-top:0;}
.accordion-mk .accordion-button{
  min-height:56px;padding:16px 52px 16px 22px;font-size:16px;font-weight:700;color:var(--text);
  background:#fff;box-shadow:none;border-radius:var(--r-md)!important;
}
.accordion-mk .accordion-button:not(.collapsed){background:var(--brand-light);color:var(--brand-dark);}
.accordion-mk .accordion-button::after{
  content:"";position:absolute;right:22px;
  width:16px;height:16px;background-image:none;transform:none;
  background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));
  background-size:16px 2px,2px 16px;background-position:center,center;background-repeat:no-repeat;
  transition:transform var(--t);
}
.accordion-mk .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-mk .accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-mk .accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ============ 页脚 ============ */
.site-foot{background:#fff;border-top:1px solid var(--line);padding:68px 0 0;margin-top:96px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text);}
.foot-brand .mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,#1666B0,#0E4A82);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;}
.foot-desc{margin:16px 0 0;font-size:14px;color:var(--muted);line-height:1.8;max-width:320px;}
.foot-col h4{font-size:15px;font-weight:700;color:var(--brand-dark);margin-bottom:16px;}
.foot-col li + li{margin-top:10px;}
.foot-col a{font-size:14px;color:var(--muted);}
.foot-col a:hover{color:var(--brand);}
.foot-contact p{font-size:14px;color:var(--muted);margin:0 0 10px;}
.foot-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:76px 0;}
  .hero{min-height:600px;}
  .dock-menu{margin-left:6px;}
  .dock-link{padding:0 10px;font-size:14px;}
  .dock-search input{width:96px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .dock-menu,.dock-search{display:none;}
  .dock-burger{display:flex;}
  .dock{height:60px;padding:0 10px 0 18px;}
  .hero{min-height:540px;padding:130px 0 60px;margin-top:-70px;}
  .hero-lead{font-size:17px;}
  .rail-item{flex:0 0 270px;}
  .rail-nav{display:none;}
  .rail-progress{display:block;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .faq-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767.98px){
  .shell{padding:0 20px;}
  .rank-lead img{aspect-ratio:16/9;}
}
@media (max-width:575.98px){
  .section{padding:52px 0;}
  .shell{padding:0 16px;}
  .dock-bar{top:8px;}
  .dock{height:56px;}
  .dock-logo{font-size:16px;}
  .hero{min-height:480px;padding:110px 0 48px;margin-top:-64px;}
  .hero-actions .btn-mk{width:100%;}
  .hero-pill{padding:8px 14px;}
  .rail-item{flex:0 0 240px;}
  .rail{gap:16px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:30px 20px;}
  .stat-item:last-child{border-bottom:0;}
  .cta-band{padding:32px 22px;border-radius:var(--r-md);}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn-mk{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .site-foot{padding-top:48px;margin-top:52px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand:#1666B0;
  --brand-dark:#0E4A82;
  --brand-soft:#E8F1FA;
  --orange:#FF7A2B;
  --green:#17A673;
  --danger:#D9534F;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --line-strong:#C9D8E8;
  --ink:#10233A;
  --ink-2:#5B6E85;
  --ink-3:#8B9BB0;
  --img-bg:#EAF0F7;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(16,35,58,.06);
  --sh-2:0 10px 28px rgba(16,35,58,.09);
  --sh-3:0 18px 44px rgba(16,35,58,.14);
  --t:220ms ease;
  --shell:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-dark);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;letter-spacing:0;color:var(--ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.shell{max-width:var(--shell);margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}
::selection{background:var(--brand-soft);color:var(--brand-dark);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:1030;
  padding:16px 20px 8px;
  background:linear-gradient(180deg,#F5F8FC 62%,rgba(245,248,252,0));
}
.dock{
  max-width:1140px;margin:0 auto;
  height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
}
.dock-logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:16px;color:var(--ink);
  white-space:nowrap;
}
.dock-logo:hover{color:var(--brand-dark);}
.mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.dock-link{
  position:relative;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.dock-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--orange);border-radius:2px;
  transition:left var(--t),right var(--t);
}
.dock-link:hover{color:var(--brand-dark);}
.dock-link:hover::after{left:14px;right:14px;}
.dock-link.is-active{background:var(--brand-soft);color:var(--brand-dark);}
.dock-link.is-active::after{left:50%;right:50%;}
.dock-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.dock-search{
  display:flex;align-items:center;gap:6px;
  height:42px;padding:0 6px 0 16px;
  background:#F3F8FD;border:1px solid var(--line);
  border-radius:var(--r-pill);
}
.dock-search input{
  width:150px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.dock-search input::placeholder{color:var(--ink-3);}
.dock-search .go{
  width:32px;height:32px;border:0;border-radius:50%;
  background:var(--brand);color:#fff;font-size:13px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background var(--t),transform var(--t);
}
.dock-search .go:hover{background:var(--brand-dark);transform:translateY(-1px);}
.dock-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:var(--r-pill);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.offcanvas{--bs-offcanvas-width:300px;border-radius:var(--r-xl) 0 0 var(--r-xl);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.offcanvas-title{font-size:16px;font-weight:800;}
.offcanvas-body{padding:14px 16px 28px;}
.panel-link{
  display:flex;align-items:center;min-height:52px;
  padding:0 16px;border-radius:14px;
  font-size:16px;font-weight:600;color:var(--ink-2);
}
.panel-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.panel-link.is-active{background:var(--brand-soft);color:var(--brand-dark);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line-strong);}
.crumb .now{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 32px;border-bottom:1px solid var(--line);}
.article-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:700;
}
.article-title{
  margin-top:18px;
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.32;
  font-weight:800;
  max-width:900px;
}
.article-meta{
  margin-top:18px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}
.article-meta .badge-cat{
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);color:var(--brand-dark);
  font-weight:600;font-size:13px;background:#fff;
}

/* ---------- 布局 ---------- */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 260px;
  gap:44px;
  padding:44px 0 0;
  align-items:start;
}
.article-main{max-width:860px;}

/* ---------- 正文 ---------- */
.article-body{font-size:17.5px;line-height:1.95;color:#1B2F47;}
.article-body > * + *{margin-top:1.1em;}
.article-body p{margin:0;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.45;
  font-weight:800;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--brand-dark);border-radius:4px;
}
.article-body h3{margin:30px 0 12px;font-size:21px;font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--brand-soft);
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:#26405C;font-size:16.5px;
}
.article-body blockquote p{margin:0;}
.article-body ul,.article-body ol{margin:18px 0;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:8px 0;padding-left:2px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(22,102,176,.28);}
.article-body a:hover{color:var(--orange);border-bottom-color:var(--orange);}
.article-body img{
  width:100%;height:auto;border-radius:var(--r-md);
  background:var(--img-bg);margin:24px auto;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:15.5px;display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;
}
.article-body th{background:#F3F8FD;color:var(--brand-dark);font-weight:700;white-space:nowrap;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  padding:64px 24px;text-align:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-1);
}
.empty-state i{font-size:48px;color:var(--line-strong);line-height:1;}
.empty-state h3{margin-top:18px;font-size:20px;}
.empty-state p{margin-top:10px;color:var(--ink-2);font-size:15px;}
.empty-state .btn-line{margin-top:22px;display:inline-flex;}

/* ---------- 指标条 ---------- */
.metric-strip{
  margin-top:48px;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.metric{padding:22px 20px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric .num{
  font-size:30px;font-weight:800;color:var(--brand-dark);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.metric .num small{font-size:14px;font-weight:700;color:var(--ink-2);margin-left:4px;}
.metric .lab{margin-top:6px;font-size:13px;color:var(--ink-2);}

/* ---------- 标签行 ---------- */
.tag-row{
  margin-top:40px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tag-row .tag-lab{font-size:13.5px;color:var(--ink-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13.5px;font-weight:600;
  transition:background var(--t),color var(--t),transform var(--t);
}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}

/* ---------- 上下篇 ---------- */
.pager{
  margin-top:36px;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.pager-item{
  display:block;padding:20px 22px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.pager-item:hover{box-shadow:var(--sh-3);transform:translateY(-4px);border-color:var(--line-strong);}
.pager-item .dir{font-size:12.5px;color:var(--ink-3);letter-spacing:.5px;}
.pager-item .tt{
  margin-top:8px;font-size:16px;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pager-item:hover .tt{color:var(--brand);}
.pager-item.next{text-align:right;}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:22px;
}
.sec-head h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;}
.sec-head .more{font-size:14px;font-weight:600;color:var(--brand);}
.sec-head .more:hover{color:var(--orange);text-decoration:underline;text-underline-offset:4px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cover-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t);
}
.cover-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px);}
.cover-card .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--img-bg);
}
.cover-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 500ms ease;
}
.cover-card:hover .thumb img{transform:scale(1.04);}
.cover-card .flag{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(10,32,58,.72);color:#fff;font-size:12px;font-weight:600;
  border:1px solid rgba(255,255,255,.32);
}
.cover-card .body{padding:18px 18px 20px;}
.cover-card .tt{
  font-size:16px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cover-card:hover .tt{color:var(--brand);}
.cover-card .meta{
  margin-top:12px;font-size:12.5px;color:var(--ink-3);
  display:flex;align-items:center;gap:8px;
}
.cover-card .meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;font-weight:800;color:var(--brand-dark);
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-list{margin-top:14px;display:flex;flex-direction:column;gap:12px;}
.side-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.side-list li .k{color:var(--ink-3);flex:0 0 62px;}
.side-list li .v{color:var(--ink);font-weight:600;}
.side-links{margin-top:6px;display:flex;flex-direction:column;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--brand);}
.side-links a span{color:var(--ink-3);font-size:12px;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.side-tags a{
  padding:6px 13px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F8FBFE;
  font-size:12.5px;color:var(--ink-2);
}
.side-tags a:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}

/* ---------- 返回按钮 / 按钮族 ---------- */
.btn-line{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-strong);
  color:var(--brand);font-size:14.5px;font-weight:700;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.btn-line:hover{background:#F3F8FD;border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--brand);border:1px solid var(--brand);
  color:#fff;font-size:14.5px;font-weight:700;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-solid:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.back-wrap{margin-top:34px;display:flex;justify-content:center;}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin:72px 0 0;
  background:var(--brand-soft);
  border-radius:var(--r-xl);
  padding:40px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;}
.cta-band p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.cta-actions .link-plain{
  font-size:14.5px;font-weight:700;color:var(--brand-dark);
}
.cta-actions .link-plain:hover{color:var(--orange);text-decoration:underline;text-underline-offset:4px;}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:96px;
  background:#fff;border-top:1px solid var(--line);
  padding:56px 0 24px;
}
.foot-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
}
.foot-brand{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:800;color:var(--ink);
}
.foot-desc{margin-top:14px;font-size:14px;color:var(--ink-2);max-width:280px;}
.foot-col h4{
  font-size:15px;font-weight:700;color:var(--brand-dark);margin-bottom:16px;
}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{font-size:14px;color:var(--ink-2);}
.foot-col a:hover{color:var(--brand);}
.foot-contact p{font-size:14px;color:var(--ink-2);margin-bottom:11px;}
.foot-contact a{font-weight:600;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .side{position:static;margin-top:40px;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 280px;}
  .article-main{max-width:100%;}
}
@media (max-width:991.98px){
  .dock-menu{display:none;}
  .dock-burger{display:flex;}
  .dock-search{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .shell{padding:0 20px;}
  .site-head{padding:12px 14px 6px;}
  .dock{height:58px;padding:0 14px;}
  .article-body{font-size:17px;line-height:1.9;}
  .pager{grid-template-columns:1fr;}
  .pager-item.next{text-align:left;}
  .cta-band{margin-top:56px;}
  .site-foot{margin-top:72px;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .dock-logo{font-size:15px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .metric-strip{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .cta-band{padding:26px 22px;border-radius:var(--r-lg);}
  .foot-grid{grid-template-columns:1fr;}
  .article-title{margin-top:14px;}
}

/* roulang page: category1 */
:root{
  --brand:#1666B0;
  --brand-dark:#0E4A82;
  --brand-light:#E8F1FA;
  --orange:#FF7A2B;
  --green:#17A673;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --t1:#10233A;
  --t2:#5B6E85;
  --t3:#8B9BB0;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh1:0 2px 6px rgba(16,35,58,.06);
  --sh2:0 10px 28px rgba(16,35,58,.09);
  --sh3:0 18px 44px rgba(16,35,58,.14);
  --shell:1240px;

  --bs-primary:#1666B0;
  --bs-link-color:#1666B0;
  --bs-link-hover-color:#0E4A82;
  --bs-border-radius:16px;
  --bs-body-color:#10233A;
  --bs-body-bg:#F5F8FC;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:0}
p{margin:0}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--brand-light);color:var(--brand-dark)}

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

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:1030;padding:0 24px;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1140px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 16px 0 18px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 8px 28px rgba(16,35,58,.08);
  backdrop-filter:blur(8px);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:var(--t1);white-space:nowrap}
.dock-logo:hover{color:var(--brand-dark)}
.mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.5px;
}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.dock-link{
  position:relative;
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;
  color:var(--t2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:5px;height:2px;
  background:var(--orange);border-radius:2px;
  transition:left .24s ease,right .24s ease;
}
.dock-link:hover{color:var(--brand-dark)}
.dock-link:hover::after{left:24%;right:24%}
.dock-link.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:700}
.dock-link.is-active::after{display:none}
.dock-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.dock-search{
  display:flex;align-items:center;
  height:40px;padding-left:14px;
  background:#F3F8FD;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,background .2s ease;
}
.dock-search:focus-within{border-color:var(--brand);background:#fff}
.dock-search input{
  width:150px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--t1);
}
.dock-search input::placeholder{color:var(--t3)}
.dock-search .go{
  width:34px;height:34px;margin:0 3px 0 6px;
  border:0;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;
  display:grid;place-items:center;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.dock-search .go:hover{background:var(--brand-dark);transform:translateY(-1px)}
.dock-burger{
  display:none;width:42px;height:42px;
  border:1px solid var(--line);border-radius:14px;background:#fff;
  cursor:pointer;padding:0;place-items:center;
}
.dock-burger span{display:block;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;margin:3px auto}

/* 移动端面板 */
.dock-panel{width:320px;border-left:1px solid var(--line)}
.dock-panel .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.dock-panel .offcanvas-title{font-size:16px;font-weight:800;color:var(--t1)}
.dock-panel .offcanvas-body{padding:16px 22px 28px}
.panel-link{
  display:flex;align-items:center;min-height:52px;
  padding:0 16px;margin-bottom:8px;
  border-radius:14px;font-size:16px;color:var(--t2);
  border:1px solid transparent;
}
.panel-link:hover{background:#F3F8FD;color:var(--brand-dark)}
.panel-link.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:700;border-color:#D5E6F7}
.panel-search{display:flex;gap:8px;margin-top:18px}
.panel-search input{
  flex:1;height:52px;border:1px solid #D6E2EF;border-radius:12px;
  padding:0 14px;font-size:15px;outline:none;color:var(--t1);
}
.panel-search input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(22,102,176,.12)}
.panel-search button{
  height:52px;padding:0 18px;border:0;border-radius:12px;
  background:var(--brand);color:#fff;font-weight:700;cursor:pointer;
}

/* ---------- 通用区块 ---------- */
.sec{padding:80px 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);color:var(--t1)}
.sec-head .lead{margin-top:10px;font-size:15px;color:var(--t2);max-width:640px}
.more-link{
  font-size:15px;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.more-link:hover{color:var(--orange);border-bottom-color:var(--orange)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-dark);
  background:var(--brand-light);border-radius:999px;padding:5px 14px;
  margin-bottom:16px;
}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  background:linear-gradient(180deg,#E9F2FB 0%,#F5F8FC 100%);
  padding:46px 0 54px;
}
.cat-hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  min-height:300px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:18px}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3D2E2}
.cat-hero h1{font-size:clamp(28px,3.6vw,44px);color:var(--t1);margin-bottom:16px}
.cat-hero h1 em{font-style:normal;color:var(--brand-dark)}
.cat-hero .desc{font-size:17px;color:var(--t2);line-height:1.85;max-width:560px}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid #C9D8E8;border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--brand-dark);font-weight:600;
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--green)}
.cat-hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh2);background:#EAF0F7}
.cat-hero-visual img{width:100%;height:290px;object-fit:cover}

/* ---------- 指标卡 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.metric b{
  display:block;font-size:30px;font-weight:800;color:var(--brand-dark);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric .unit{font-size:15px;font-weight:700;color:var(--brand);margin-left:4px}
.metric p{margin-top:10px;font-size:14px;color:var(--t2);line-height:1.7}

/* ---------- 封面卡网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.c-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.c-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EAF0F7}
.c-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.c-card:hover .c-thumb img{transform:scale(1.04)}
.c-badge{
  position:absolute;left:12px;top:12px;
  background:rgba(10,32,58,.72);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:999px;
}
.c-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.c-body h3{
  font-size:17px;font-weight:700;color:var(--t1);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.c-card:hover .c-body h3{color:var(--brand)}
.c-sum{font-size:14px;color:var(--t2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.c-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.c-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t3);flex:0 0 3px}
.tag{
  display:inline-block;background:var(--brand-light);color:var(--brand-dark);
  border-radius:999px;padding:3px 11px;font-size:12px;font-weight:700;
}
.tag.tag-orange{background:#FFF1E7;color:#B94E10}

/* ---------- 横向时间线 ---------- */
.tl-wrap{position:relative}
.tl-actions{position:absolute;right:0;top:-64px;display:flex;gap:10px}
.tl-btn{
  width:42px;height:42px;border-radius:50%;
  border:1px solid #C9D8E8;background:#fff;color:var(--brand-dark);
  font-size:18px;line-height:1;cursor:pointer;
  display:grid;place-items:center;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.tl-btn:hover{background:var(--brand-light);border-color:var(--brand);transform:translateY(-2px)}
.tl-track{
  display:flex;gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;
  scrollbar-width:thin;scrollbar-color:#C9D8E8 transparent;
}
.tl-track::-webkit-scrollbar{height:8px}
.tl-track::-webkit-scrollbar-track{background:transparent}
.tl-track::-webkit-scrollbar-thumb{background:#C9D8E8;border-radius:999px}
.tl-item{
  flex:0 0 306px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px 24px;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .2s ease;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#D5E6F7}
.tl-time{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;color:#B94E10;
  font-variant-numeric:tabular-nums;
}
.tl-time::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange)}
.tl-item h3{margin:14px 0 10px;font-size:16px;font-weight:700;color:var(--t1);line-height:1.55}
.tl-item p{font-size:14px;color:var(--t2);line-height:1.75}
.tl-progress{display:none;height:4px;border-radius:999px;background:#DCE7F2;overflow:hidden;margin-top:6px}
.tl-progress i{display:block;height:100%;width:20%;background:var(--orange);border-radius:999px;transition:width .2s ease}

/* ---------- 核验流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 26px 30px;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.step-num{
  width:44px;height:44px;border-radius:14px;
  background:var(--brand-light);color:var(--brand-dark);
  display:grid;place-items:center;font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;
}
.step h3{margin:18px 0 10px;font-size:19px;color:var(--t1)}
.step p{font-size:14.5px;color:var(--t2);line-height:1.8}

/* ---------- CTA 窄条 ---------- */
.cta-band{
  background:var(--brand-light);
  border-radius:var(--r-lg);
  padding:40px 48px;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.2vw,28px);color:var(--brand-dark)}
.cta-band .sub{margin-top:10px;font-size:15px;color:var(--t2);max-width:520px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:16px;font-weight:700;
  border:0;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,74,130,.22)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 24px;border-radius:999px;
  background:#fff;border:1px solid #C9D8E8;color:var(--brand-dark);
  font-size:15px;font-weight:700;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:#F3F8FD;color:var(--brand-dark);transform:translateY(-2px)}
.btn-text{font-size:15px;font-weight:700;color:var(--brand)}
.btn-text:hover{color:var(--orange);text-decoration:underline;text-underline-offset:4px}

/* ---------- 页脚 ---------- */
.site-foot{background:#fff;border-top:1px solid var(--line);margin-top:88px;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:var(--t1);margin-bottom:16px}
.foot-desc{font-size:14px;color:var(--t2);line-height:1.85;max-width:300px}
.foot-col h4{font-size:15px;font-weight:700;color:var(--brand-dark);margin-bottom:16px}
.foot-col ul{display:grid;gap:11px}
.foot-col ul a{font-size:14px;color:var(--t2)}
.foot-col ul a:hover{color:var(--brand)}
.foot-contact p{font-size:14px;color:var(--t2);margin-bottom:10px;line-height:1.7}
.foot-contact a{font-size:14px;font-weight:600}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .sec{padding:72px 0}
}
@media (max-width:991.98px){
  .dock-wrap{padding:0 20px}
  .dock-menu,.dock-search{display:none}
  .dock-burger{display:grid}
  .shell{padding:0 20px}
  .sec{padding:60px 0}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;min-height:auto}
  .cat-hero-visual img{height:220px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:1fr}
  .tl-actions{display:none}
  .tl-progress{display:block}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:32px 28px}
}
@media (max-width:575.98px){
  .dock-wrap{top:8px;padding:0 16px}
  .dock{height:56px;gap:10px;padding:0 12px 0 14px}
  .dock-logo{font-size:15px}
  .mark{width:30px;height:30px;flex:0 0 30px;font-size:12px;border-radius:10px}
  .shell{padding:0 16px}
  .sec{padding:48px 0}
  .sec-head{margin-bottom:26px}
  .cat-hero{padding:28px 0 40px}
  .cat-hero .desc{font-size:15.5px}
  .metric-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:26px 20px;border-radius:16px}
  .btn-main,.btn-ghost{width:100%;justify-content:center}
  .cta-actions{width:100%}
}

/* roulang page: category2 */
:root{
  --brand:#1666B0;
  --brand-dark:#0E4A82;
  --brand-light:#E8F1FA;
  --orange:#FF7A2B;
  --green:#17A673;
  --red:#D9534F;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --ink:#10233A;
  --ink-2:#5B6E85;
  --ink-3:#8B9BB0;
  --deep:#10233A;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 6px rgba(16,35,58,.06);
  --sh-2:0 10px 28px rgba(16,35,58,.09);
  --sh-3:0 18px 44px rgba(16,35,58,.14);
  --bs-primary:#1666B0;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  --bs-body-color:#10233A;
  --bs-border-radius:12px;
  --bs-link-color:#1666B0;
  --bs-link-hover-color:#0E4A82;
  --bs-link-decoration:none;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;
  top:16px;
  z-index:1035;
  width:calc(100% - 32px);
  max-width:1140px;
  margin:16px auto 0;
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 8px 28px rgba(16,35,58,.08);
  backdrop-filter:saturate(140%) blur(6px);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:17px;white-space:nowrap;}
.dock-logo:hover{color:var(--brand-dark);}
.dock-logo .mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto;min-width:0;}
.dock-link{
  position:relative;
  display:inline-block;
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--ink-2);
  white-space:nowrap;
}
.dock-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;background:var(--orange);
  transform:translateX(-50%);transition:width .24s ease;border-radius:2px;
}
.dock-link:hover{color:var(--brand);background:var(--brand-light);}
.dock-link:hover::after{width:22px;}
.dock-link.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:700;}
.dock-link.is-active::before{
  content:"";position:absolute;left:6px;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--orange);transform:translateY(-50%);
}
.dock-link.is-active{padding-left:20px;}
.dock-right{display:flex;align-items:center;gap:10px;margin-left:auto;}
.dock-search{position:relative;display:flex;align-items:center;}
.dock-search input{
  width:200px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#F3F8FD;padding:0 44px 0 16px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.dock-search input::placeholder{color:var(--ink-3);}
.dock-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(22,102,176,.14);}
.dock-search .go{
  position:absolute;right:3px;top:50%;transform:translateY(-50%);
  width:34px;height:34px;border:none;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;cursor:pointer;transition:background .2s ease;
}
.dock-search .go:hover{background:var(--brand-dark);}
.dock-burger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.dock-burger span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;}
.dock-panel{border:none;border-radius:20px 0 0 20px;box-shadow:var(--sh-3);width:310px;background:#fff;}
.dock-panel .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.dock-panel .off-title{font-weight:800;color:var(--brand-dark);font-size:16px;}
.dock-panel .offcanvas-body{padding:14px 18px 26px;}
.panel-link{
  display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:14px;
  color:var(--ink);font-size:15.5px;font-weight:600;
}
.panel-link:hover{background:var(--brand-light);color:var(--brand-dark);}
.panel-link.is-active{background:var(--brand-light);color:var(--brand-dark);}
.panel-link.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:10px;}
.panel-search{margin-top:16px;display:flex;gap:8px;}
.panel-search input{flex:1;height:48px;border-radius:12px;border:1px solid #D6E2EF;padding:0 14px;font-size:14px;background:#fff;}
.panel-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,102,176,.14);}
.panel-search button{height:48px;padding:0 18px;border-radius:999px;border:none;background:var(--brand);color:#fff;font-weight:700;font-size:14px;}

/* ---------- 通用组件 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
  cursor:pointer;border:1px solid transparent;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(22,102,176,.22);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:#C9D8E8;color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);background:#F3F8FD;color:var(--brand-dark);transform:translateY(-2px);}
.btn-line{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;color:var(--brand);border-bottom:1px solid transparent;padding-bottom:2px;}
.btn-line:hover{color:var(--orange);border-bottom-color:var(--orange);}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);font-size:13px;font-weight:600;
}
.tag.line{background:transparent;border:1px solid #C9D8E8;color:var(--ink-2);}
.tag.green{background:rgba(23,166,115,.1);color:#0F7A55;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:14px;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3D0DF;}
.section{padding:96px 0;border-top:1px solid var(--line);}
.section.first{border-top:none;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px;}
.sec-head h2{margin:0;font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:0;color:var(--ink);}
.sec-head p{margin:10px 0 0;color:var(--ink-2);font-size:15.5px;max-width:720px;}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  margin:28px auto 0;
  max-width:1240px;
  padding:0 24px;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  align-items:center;
  gap:34px;
  min-height:350px;
  padding:38px 42px;
  border-radius:var(--r-lg);
  background:linear-gradient(115deg,#EAF3FB 0%,#F7FBFF 55%,#E9F2FA 100%);
  border:1px solid var(--line);
  overflow:hidden;
}
.hero-copy h1{
  margin:0 0 14px;
  font-size:clamp(26px,3.1vw,40px);
  font-weight:800;
  line-height:1.28;
  color:var(--ink);
}
.hero-copy h1 .brandline{display:block;font-size:clamp(17px,1.5vw,21px);font-weight:700;color:var(--brand-dark);margin-top:8px;}
.hero-copy p.lead{margin:0 0 24px;color:var(--ink-2);font-size:16.5px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-visual{position:relative;height:270px;border-radius:18px;overflow:hidden;background:#EAF0F7;box-shadow:var(--sh-2);}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,32,58,.35),rgba(10,32,58,0));}

/* ---------- 深色指标条 ---------- */
.metrics-strip{
  position:relative;
  margin-top:44px;
  border-radius:var(--r-lg);
  background:radial-gradient(120% 160% at 12% 0%,#1B4E7E 0%,#10233A 62%);
  color:#fff;
  padding:42px 40px;
  overflow:hidden;
}
.metrics-strip::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,43,.32),rgba(255,122,43,0) 70%);
}
.metrics-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.metric{border-left:1px solid rgba(255,255,255,.16);padding-left:20px;}
.metric:first-child{border-left:none;padding-left:0;}
.metric .m-num{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.1;color:#fff;}
.metric .m-num em{font-style:normal;font-size:15px;font-weight:700;color:#9FC6EA;margin-left:6px;}
.metric .m-txt{margin-top:8px;font-size:14px;color:#B9CEE2;line-height:1.6;}

/* ---------- 图文交替 ---------- */
.alt-row{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:32px;
  align-items:center;
}
.alt-row + .alt-row{margin-top:72px;}
.alt-row .alt-media{grid-column:span 6;border-radius:18px;overflow:hidden;background:#EAF0F7;box-shadow:var(--sh-2);aspect-ratio:16/11;}
.alt-row .alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.alt-row .alt-media:hover img{transform:scale(1.04);}
.alt-row .alt-body{grid-column:span 6;}
.alt-row.is-reverse .alt-media{order:2;}
.alt-row.is-reverse .alt-body{order:1;}
.alt-body h3{margin:14px 0 12px;font-size:22px;font-weight:800;color:var(--ink);line-height:1.4;}
.alt-body p{margin:0 0 14px;color:var(--ink-2);font-size:15.8px;}
.alt-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px;}
.alt-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink);}
.alt-list li i{color:var(--green);font-size:16px;line-height:1.7;}
.alt-body .stat-inline{
  margin-top:20px;display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.alt-body .stat-inline b{color:var(--brand-dark);font-size:16px;}

/* ---------- 规格表 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  box-shadow:var(--sh-1);
  overflow-x:auto;
}
table.spec{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
table.spec thead th{
  background:var(--brand-light);color:var(--brand-dark);font-weight:700;text-align:left;
  padding:16px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;}
table.spec td:first-child{color:var(--ink);font-weight:700;}
table.spec tbody tr:nth-child(even){background:#F9FBFE;}
table.spec tbody tr:last-child td{border-bottom:none;}
table.spec tbody tr:hover{background:#F1F7FD;}
.spec-note{margin-top:14px;font-size:13.5px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.faq-col{display:grid;gap:16px;align-content:start;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .22s ease,transform .22s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item .acc-btn{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;background:transparent;border:none;text-align:left;
  font-size:15.5px;font-weight:700;color:var(--ink);cursor:pointer;
}
.faq-item .acc-btn:hover{color:var(--brand);}
.faq-item .acc-btn .plus{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand-light);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq-item .acc-btn[aria-expanded="true"] .plus{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-item .acc-body{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:38px 48px;border-radius:var(--r-lg);
  background:linear-gradient(100deg,#E8F1FA 0%,#F6FAFE 62%,#EAF3FB 100%);
  border:1px solid #D8E6F4;
}
.cta-bar h2{margin:0 0 8px;font-size:clamp(21px,2vw,27px);font-weight:800;color:var(--ink);}
.cta-bar p{margin:0;color:var(--ink-2);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* ---------- 页脚 ---------- */
.site-foot{background:#fff;border-top:1px solid var(--line);margin-top:96px;padding-top:64px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:17px;margin-bottom:14px;}
.foot-brand .mark{
  width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));color:#fff;font-size:12px;font-weight:800;
}
.foot-desc{margin:0;color:var(--ink-2);font-size:14.5px;max-width:300px;}
.foot-col h4{margin:0 0 16px;font-size:15px;font-weight:700;color:var(--brand-dark);}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.foot-col ul a{color:var(--ink-2);font-size:14.5px;}
.foot-col ul a:hover{color:var(--brand);}
.foot-contact p{margin:0 0 10px;color:var(--ink-2);font-size:14.5px;}
.foot-contact a{color:var(--brand);font-size:14.5px;}
.foot-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-inner{grid-template-columns:minmax(0,1fr) minmax(0,.85fr);padding:34px 32px;}
  .section{padding:80px 0;}
}
@media (max-width:991.98px){
  .dock-menu{display:none;}
  .dock-search{display:none;}
  .dock-burger{display:flex;}
  .dock{gap:10px;padding:0 10px 0 14px;}
  .dock-logo{font-size:16px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .metric:nth-child(3){border-left:none;padding-left:0;}
  .faq-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:72px 0;}
}
@media (max-width:767.98px){
  .shell{padding:0 20px;}
  .hero-cat{padding:0 20px;}
  .hero-inner{grid-template-columns:1fr;padding:24px;gap:20px;min-height:auto;}
  .hero-visual{order:-1;height:190px;}
  .alt-row{grid-template-columns:1fr;gap:20px;}
  .alt-row .alt-media,.alt-row .alt-body{grid-column:auto;}
  .alt-row.is-reverse .alt-media{order:1;}
  .alt-row.is-reverse .alt-body{order:2;}
  .alt-row + .alt-row{margin-top:48px;}
  .alt-media{aspect-ratio:16/10;}
  .metrics-strip{padding:30px 24px;}
  .cta-bar{padding:28px 24px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:28px;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .hero-cat{padding:0 16px;}
  .dock{top:8px;height:56px;border-radius:20px;margin-top:8px;width:calc(100% - 20px);}
  .dock-logo .mark{width:30px;height:30px;font-size:12px;}
  .dock-logo span:last-child{font-size:14.5px;}
  .metrics-grid{grid-template-columns:1fr;gap:20px;}
  .metric{border-left:none;padding-left:0;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12);}
  .metric:last-child{border-bottom:none;padding-bottom:0;}
  .foot-grid{grid-template-columns:1fr;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .section{padding:52px 0;}
  .faq-item .acc-btn{font-size:15px;padding:12px 16px;}
  .faq-item .acc-body{padding:0 16px 16px;}
}