/* roulang page: index */
:root{
  --hw-blue:#1254A8;
  --hw-blue-dark:#0B3A78;
  --hw-blue-soft:#E8F0FB;
  --hw-blue-mist:#EFF4FC;
  --hw-orange:#F2711C;
  --hw-teal:#0FA3A3;
  --c-title:#0F172A;
  --c-text:#5B6577;
  --c-muted:#8A93A6;
  --c-line:#E6EAF2;
  --c-page:#F4F6FA;
  --c-card:#FFFFFF;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04), 0 10px 24px rgba(18,84,168,.07);
  --sh-2:0 16px 34px rgba(18,84,168,.12);
  --sh-3:0 20px 48px rgba(15,23,42,.14);
  --sec-py:96px;
  --wrap:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--c-title);font-weight:700;line-height:1.3;letter-spacing:-.01em;margin:0;}
p{margin:0;}
a{color:var(--hw-blue);text-decoration:none;transition:color .2s ease, text-decoration-color .2s ease;}
a:hover{color:var(--hw-blue-dark);text-decoration:underline;text-underline-offset:2px;}
img{max-width:100%;display:block;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--hw-blue);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
@media (min-width:1400px){ .wrap{max-width:1280px;} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(16,24,40,.06);}
.nav-inner{display:flex;align-items:center;gap:32px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--hw-blue);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--c-title);letter-spacing:-.01em;}
.brand-text span{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--c-muted);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--c-text);position:relative;
}
.main-nav a:hover{color:var(--hw-blue);background:var(--hw-blue-soft);text-decoration:none;}
.main-nav a.active{color:var(--hw-blue);font-weight:600;}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--hw-blue);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

.btn-hw{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-hw.primary{background:var(--hw-blue);color:#fff;}
.btn-hw.primary:hover{background:var(--hw-blue-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none;}
.btn-hw.primary:active{transform:translateY(0);}
.btn-hw.ghost{background:#fff;color:var(--hw-blue);border-color:var(--hw-blue);}
.btn-hw.ghost:hover{background:var(--hw-blue-soft);color:var(--hw-blue-dark);transform:translateY(-1px);text-decoration:none;}
.btn-hw.accent{background:var(--hw-orange);color:#fff;}
.btn-hw.accent:hover{background:#d95f0d;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,113,28,.28);text-decoration:none;}
.btn-hw.sm{height:40px;padding:0 18px;font-size:14px;}
.btn-hw.full{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--hw-blue);}
.link-more svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s ease;}
.link-more:hover{text-decoration:none;}
.link-more:hover svg{transform:translateX(2px);}

.burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.burger svg{width:22px;height:22px;stroke:var(--c-title);fill:none;stroke-width:1.8;stroke-linecap:round;}

/* offcanvas */
.offcanvas.hw-drawer{width:86vw;max-width:340px;border-left:1px solid var(--c-line);}
.hw-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:14px 18px;}
.hw-drawer .btn-close{width:44px;height:44px;opacity:.6;}
.hw-drawer .drawer-nav{padding:12px 8px;}
.hw-drawer .drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:10px;font-size:16px;
  color:var(--c-title);font-weight:500;
}
.hw-drawer .drawer-nav a.active{background:var(--hw-blue-soft);color:var(--hw-blue);font-weight:600;}
.hw-drawer .drawer-cta{padding:16px 18px 28px;display:grid;gap:12px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 100%);
  padding:72px 0 0;
}
.hero::after{
  content:"";position:absolute;inset:0 0 0 auto;width:46%;pointer-events:none;
  background-image:repeating-linear-gradient(115deg, rgba(18,84,168,.5) 0 1px, transparent 1px 22px);
  opacity:.06;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,transparent);
  mask-image:linear-gradient(180deg,transparent,#000 30%,transparent);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:520px;padding-bottom:64px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--hw-blue-soft);color:var(--hw-blue-dark);font-size:13px;font-weight:600;margin-bottom:20px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--hw-orange);}
.hero h1{font-size:48px;font-weight:700;line-height:1.25;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--hw-blue);}
.hero-sub{font-size:18px;line-height:1.8;color:var(--c-text);max-width:560px;margin-bottom:26px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);font-size:13px;font-weight:500;color:var(--c-title);
  box-shadow:0 1px 2px rgba(16,24,40,.04);
}
.pill svg{width:15px;height:15px;stroke:var(--hw-teal);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-visual .shot{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;background:#E9EEF6;
  box-shadow:var(--sh-3);
}
.hero-visual .shot img{width:100%;height:100%;object-fit:cover;}
.hero-visual .shot::after{content:"";position:absolute;inset:0;background:rgba(18,84,168,.08);}
.float-card{
  position:absolute;left:-26px;bottom:26px;background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:16px 18px;display:flex;gap:12px;align-items:center;max-width:260px;
}
.float-card .step-no{
  width:38px;height:38px;border-radius:10px;background:var(--hw-blue-soft);color:var(--hw-blue);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;flex:0 0 auto;
}
.float-card strong{display:block;font-size:14px;color:var(--c-title);font-weight:600;line-height:1.4;}
.float-card span{font-size:12px;color:var(--c-muted);}

/* stat strip */
.stat-strip{position:relative;z-index:2;border-top:1px solid var(--c-line);background:#fff;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-cell{padding:26px 24px;border-right:1px solid var(--c-line);}
.stat-cell:last-child{border-right:0;}
.stat-cell b{display:block;font-size:30px;font-weight:700;color:var(--hw-blue);line-height:1.2;}
.stat-cell span{font-size:13px;color:var(--c-muted);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-py) 0;}
.section.alt{background:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.sec-head .lead{max-width:720px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--hw-blue);margin-bottom:12px;
}
.sec-tag::before{content:"";width:14px;height:4px;border-radius:2px;background:var(--hw-blue);}
.sec-head h2{font-size:38px;margin-bottom:12px;}
.sec-head p{font-size:16px;line-height:1.8;color:var(--c-text);}

/* feature cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.f-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:30px 26px;box-shadow:var(--sh-1);transition:all .25s ease;position:relative;overflow:hidden;
}
.f-card::before{content:"";position:absolute;left:0;top:26px;width:4px;height:14px;border-radius:0 2px 2px 0;background:var(--hw-blue);}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,84,168,.24);}
.f-icon{
  width:48px;height:48px;border-radius:12px;background:var(--hw-blue-soft);display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.f-icon svg{width:24px;height:24px;stroke:var(--hw-blue);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.f-card h3{font-size:20px;margin-bottom:10px;font-weight:600;}
.f-card p{font-size:15px;line-height:1.75;}
.f-card ul{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:8px;}
.f-card ul li{position:relative;padding-left:18px;font-size:14px;color:var(--c-text);}
.f-card ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--hw-teal);}

/* split block */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split .media{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:3/2;background:#E9EEF6;box-shadow:var(--sh-1);}
.split .media img{width:100%;height:100%;object-fit:cover;}
.split h3{font-size:30px;margin-bottom:16px;}
.split p{font-size:16px;line-height:1.85;margin-bottom:16px;}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.7;}
.check-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:3px;stroke:var(--hw-blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* steps */
.step-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
.step-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:28px 24px;box-shadow:var(--sh-1);
  transition:all .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-card .no{
  width:44px;height:44px;border-radius:12px;background:var(--hw-blue);color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.step-card h3{font-size:19px;margin-bottom:10px;font-weight:600;}
.step-card p{font-size:15px;line-height:1.75;}

/* 对比表 */
.table-shell{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
}
.cmp{width:100%;border-collapse:collapse;}
.cmp thead th{
  background:#F7F9FC;font-size:13px;font-weight:600;color:var(--c-title);text-align:left;
  padding:18px 22px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
.cmp tbody td{
  padding:16px 22px;font-size:15px;color:var(--c-text);border-bottom:1px solid #F0F3F8;height:56px;vertical-align:middle;
}
.cmp tbody tr:nth-child(even) td{background:#FAFBFD;}
.cmp tbody tr:last-child td{border-bottom:0;}
.cmp .col-feature{font-weight:600;color:var(--c-title);}
.cmp .rec{position:relative;background:rgba(18,84,168,.05)!important;border-left:2px solid var(--hw-blue);border-right:2px solid var(--hw-blue);}
.cmp thead .rec{border-top:2px solid var(--hw-blue);}
.cmp thead .rec .flag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--hw-orange);color:#fff;font-size:11px;font-weight:700;margin-left:8px;letter-spacing:.04em;
}
.cmp tbody tr:last-child .rec{border-bottom:2px solid var(--hw-blue);}
.ic-yes,.ic-no{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;}
.ic-yes svg{width:20px;height:20px;stroke:var(--hw-blue);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.ic-no svg{width:18px;height:18px;stroke:#B9C1D0;fill:none;stroke-width:2;stroke-linecap:round;}

/* 等级轨道 */
.track-layout{display:grid;grid-template-columns:64px 1fr;gap:32px;}
.track-rail{position:relative;display:flex;flex-direction:column;align-items:center;gap:0;}
.track-rail .node{
  width:44px;height:44px;border-radius:50%;background:var(--hw-blue);color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;box-shadow:0 8px 18px rgba(18,84,168,.25);
}
.track-rail .line{flex:1;width:2px;background:var(--c-line);margin:6px 0;}
.level-stack{display:grid;gap:24px;}
.level-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 30px;box-shadow:var(--sh-1);
  transition:all .25s ease;
}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,84,168,.24);}
.level-card.offset{margin-left:12%;}
.level-card .head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.level-card h3{font-size:22px;font-weight:600;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;
}
.tag.blue{background:var(--hw-blue-soft);color:var(--hw-blue-dark);}
.tag.orange{background:#FFF1E6;color:#C4550B;}
.tag.teal{background:#E4F6F6;color:#0A7C7C;}
.points{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;list-style:none;padding:0;margin:0;}
.points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.7;}
.points svg{width:20px;height:20px;flex:0 0 auto;margin-top:3px;stroke:var(--hw-teal);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* 横向滚动专属内容 */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 22px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 340px;scroll-snap-align:start;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .25s ease;
}
.rail-card.wide{flex:0 0 620px;}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,84,168,.24);}
.rail-card .cover{position:relative;aspect-ratio:16/9;background:#E9EEF6;}
.rail-card .cover img{width:100%;height:100%;object-fit:cover;}
.rail-card .lock{
  position:absolute;left:14px;bottom:14px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--hw-orange);color:var(--hw-orange);background:rgba(255,255,255,.94);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;
}
.rail-card .body{padding:20px 22px 24px;}
.rail-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-card p{font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:14px;}
.rail-progress{height:2px;background:var(--c-line);border-radius:2px;position:relative;overflow:hidden;}
.rail-progress i{position:absolute;left:0;top:0;height:100%;width:34%;background:var(--hw-blue);border-radius:2px;}

/* 最新信息 */
.news-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;}
.news-list{display:grid;gap:18px;min-height:220px;}
.news-item{
  display:grid;grid-template-columns:200px 1fr;gap:22px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-1);transition:all .25s ease;color:inherit;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,84,168,.24);text-decoration:none;}
.news-item .thumb{aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;background:#EDF1F7;}
.news-item .thumb img{width:100%;height:100%;object-fit:cover;}
.news-item h3{font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item .desc{font-size:14px;line-height:1.7;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item .meta{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--c-muted);}
.news-item .meta svg{width:16px;height:16px;stroke:var(--c-muted);fill:none;stroke-width:1.6;stroke-linecap:round;}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:var(--hw-blue-soft);color:var(--hw-blue-dark);font-size:12px;font-weight:600;
}
.side-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);}
.side-box h3{font-size:16px;font-weight:600;margin-bottom:18px;display:flex;align-items:center;gap:8px;}
.side-box h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--hw-blue);}
.hot-list{list-style:none;padding:0;margin:0;display:grid;gap:16px;}
.hot-list li{display:flex;gap:14px;align-items:flex-start;}
.hot-list .rank{font-size:20px;font-weight:700;color:var(--hw-blue);line-height:1.2;flex:0 0 auto;opacity:.85;}
.hot-list a{font-size:14px;line-height:1.65;color:var(--c-title);font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-list a:hover{color:var(--hw-blue);text-decoration:none;}
.side-cta{
  margin-top:24px;background:var(--hw-blue-mist);border:1px solid #DCE7F7;border-radius:var(--r-md);padding:24px;
}
.side-cta strong{display:block;font-size:16px;color:var(--c-title);margin-bottom:8px;}
.side-cta p{font-size:14px;line-height:1.7;color:var(--c-text);margin-bottom:16px;}
.empty-state{
  min-height:220px;border:1px dashed var(--c-line);border-radius:var(--r-md);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px;
}
.empty-state svg{width:32px;height:32px;stroke:var(--c-muted);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.empty-state p{font-size:14px;color:var(--c-muted);}

/* FAQ */
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
  box-shadow:0 1px 2px rgba(16,24,40,.03);
}
.faq-acc .accordion-button{
  font-size:16px;font-weight:600;color:var(--c-title);background:#fff;padding:20px 56px 20px 22px;box-shadow:none;
  line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--hw-blue);background:#fff;}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(18,84,168,.3);}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--hw-blue);outline-offset:-2px;}
.faq-acc .sign{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
}
.faq-acc .sign svg{width:18px;height:18px;stroke:var(--hw-blue);fill:none;stroke-width:2;stroke-linecap:round;}
.faq-acc .accordion-body{font-size:15px;line-height:1.85;color:var(--c-text);padding:0 22px 22px;}
.faq-acc .accordion-collapse{border-top:1px dashed var(--c-line);margin-top:0;}

/* CTA 表单 */
.cta-band{
  background:var(--hw-blue-mist);border:1px solid #DCE7F7;border-radius:var(--r-xl);
  padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.cta-band h2{font-size:30px;margin-bottom:14px;}
.cta-band p{font-size:15px;line-height:1.85;}
.cta-points{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:14px;align-items:center;}
.cta-points svg{width:18px;height:18px;stroke:var(--hw-blue);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);}
.form-card label{display:block;font-size:13px;font-weight:600;color:var(--c-title);margin-bottom:8px;}
.form-card input{
  width:100%;height:44px;border-radius:10px;border:1px solid var(--c-line);padding:0 14px;font-size:15px;
  color:var(--c-title);background:#fff;transition:border-color .2s ease, box-shadow .2s ease;
}
.form-card input:focus{outline:none;border-color:var(--hw-blue);box-shadow:0 0 0 3px rgba(18,84,168,.15);}
.form-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;}
.form-note{font-size:12px;color:var(--c-muted);margin-top:14px;line-height:1.7;}
.field{margin-bottom:18px;}

/* Footer */
.site-footer{background:#F7F9FC;border-top:1px solid var(--c-line);margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-title);margin-bottom:18px;letter-spacing:.02em;}
.footer-col p{font-size:14px;line-height:1.85;color:var(--c-text);max-width:320px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.footer-col ul a{font-size:14px;color:var(--c-text);}
.footer-col ul a:hover{color:var(--hw-blue);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.copyright{
  border-top:1px solid var(--c-line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:var(--c-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:42px;}
  .sec-head h2{font-size:32px;}
}
@media (max-width:991.98px){
  :root{--sec-py:72px;}
  .main-nav,.nav-actions .btn-hw.ghost{display:none;}
  .burger{display:inline-flex;}
  .nav-actions .btn-hw.primary{height:42px;padding:0 18px;font-size:14px;}
  .nav-inner{height:64px;gap:16px;}
  .hero{padding-top:48px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;padding-bottom:48px;}
  .hero h1{font-size:36px;}
  .hero::after{width:100%;opacity:.05;}
  .float-card{left:16px;bottom:-18px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--c-line);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .step-track{grid-template-columns:1fr;}
  .track-layout{grid-template-columns:48px 1fr;gap:20px;}
  .level-card.offset{margin-left:0;}
  .news-layout{grid-template-columns:1fr;}
  .rail-card.wide{flex:0 0 380px;}
  .cta-band{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767.98px){
  .cmp thead{display:none;}
  .cmp, .cmp tbody, .cmp tr, .cmp td{display:block;width:100%;}
  .cmp tbody tr{padding:8px 0 16px;border-bottom:1px solid var(--c-line);}
  .cmp tbody td{border-bottom:0;height:auto;padding:8px 20px;display:flex;justify-content:space-between;gap:16px;background:transparent!important;}
  .cmp tbody td::before{content:attr(data-label);font-size:13px;font-weight:600;color:var(--c-title);}
  .cmp .rec{border-left:0;border-right:0;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn-hw{width:100%;}
  .hero-visual .shot{aspect-ratio:16/11;}
  .stat-cell b{font-size:24px;}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:32px;}
  .sec-head h2{font-size:26px;}
  .grid-3{grid-template-columns:1fr;}
  .split h3{font-size:24px;}
  .points{grid-template-columns:1fr;}
  .rail-card,.rail-card.wide{flex:0 0 260px;}
  .news-item{grid-template-columns:1fr;gap:14px;}
  .news-item .thumb{aspect-ratio:16/9;}
  .cta-band{padding:24px;}
  .cta-band h2{font-size:24px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .copyright{flex-direction:column;}
}

/* roulang page: article */
:root{
  --brand:#1254A8;
  --brand-deep:#0B3A78;
  --brand-soft:#E8F0FB;
  --brand-tint:#EFF4FC;
  --accent:#F2711C;
  --teal:#0FA3A3;
  --ink:#0F172A;
  --text:#5B6577;
  --muted:#8A93A6;
  --line:#E6EAF2;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04), 0 10px 24px rgba(18,84,168,.07);
  --sh-2:0 16px 34px rgba(18,84,168,.12);
  --sh-3:0 20px 48px rgba(15,23,42,.14);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1280px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(16,24,40,.06);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;stroke:#fff;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.main-nav a{
  position:relative;font-size:15px;color:var(--ink);font-weight:500;padding:6px 0;
}
.main-nav a:hover{color:var(--brand);text-decoration:none;}
.main-nav a.active{color:var(--brand);}
.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);border-radius:2px;
}
.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(18,84,168,.22);}
.btn-solid:hover{background:var(--brand-deep);color:#fff;box-shadow:0 12px 24px rgba(18,84,168,.28);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(18,84,168,.35);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(242,113,28,.24);}
.btn-accent:hover{background:#d95f10;color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
@media (max-width:991px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;}
}
.mobile-drawer{width:86vw !important;max-width:340px;background:#fff;}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px;}
.mobile-drawer .drawer-title{font-size:15px;font-weight:600;color:var(--ink);}
.mobile-drawer .drawer-close{
  width:44px;height:44px;border:none;background:transparent;font-size:22px;line-height:1;color:var(--muted);border-radius:10px;
}
.mobile-drawer .offcanvas-body{padding:12px 20px 28px;display:flex;flex-direction:column;}
.drawer-link{
  display:flex;align-items:center;height:48px;font-size:15px;color:var(--ink);font-weight:500;
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--brand);text-decoration:none;}
.drawer-link.active{color:var(--brand);}
.drawer-cta{margin-top:20px;width:100%;}

/* ---------- Page head ---------- */
.page-band{
  background:linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.page-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(18,84,168,.06) 0 2px,transparent 2px 14px);
  opacity:.9;pointer-events:none;
}
.page-band .wrap{position:relative;z-index:1;}
.breadcrumb-track{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:24px 0 0;
}
.breadcrumb-track a{color:var(--muted);}
.breadcrumb-track a:hover{color:var(--brand);}
.breadcrumb-track .sep{color:#C6CEDC;}
.breadcrumb-track .current{color:var(--muted);}
.article-head{padding:16px 0 40px;max-width:840px;}
.article-head h1{font-size:34px;line-height:1.32;margin-bottom:18px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C6CEDC;}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
}
.badge-state{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(15,163,163,.12);color:#0B7C7C;font-size:12px;font-weight:600;
}
@media (max-width:767px){
  .article-head h1{font-size:26px;}
}

/* ---------- Layout ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
@media (max-width:991px){.section{padding:64px 0;}}
@media (max-width:575px){.section{padding:48px 0;} .wrap{padding:0 16px;}}
.layout-8-4{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;}
@media (max-width:991px){.layout-8-4{grid-template-columns:1fr;gap:32px;}}

.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:40px;
}
@media (max-width:767px){.article-shell{padding:24px 20px;}}

/* ---------- Article body ---------- */
.article-body{max-width:780px;font-size:17px;line-height:1.9;color:var(--text);}
.article-body h2{
  position:relative;font-size:24px;font-weight:600;margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 12px;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul li{
  position:relative;padding-left:20px;margin-bottom:10px;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:li;list-style:none;}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:12px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:#F7F9FC;border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:#44506A;font-size:16px;
}
.article-body img{border-radius:var(--r-md);margin:24px auto;}
.article-body a{border-bottom:1px solid rgba(18,84,168,.35);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:#FAFBFD;font-weight:600;color:var(--ink);font-size:13px;}
.article-body .table-scroll{overflow-x:auto;border-radius:var(--r-md);}

.empty-state{
  text-align:center;padding:64px 20px;border:1px dashed var(--line);border-radius:var(--r-lg);background:#FAFBFD;
}
.empty-state svg{width:40px;height:40px;stroke:var(--muted);fill:none;stroke-width:1.4;margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px;}

/* ---------- Inline CTA ---------- */
.inline-cta{
  margin:40px 0 0;padding:28px 30px;border-radius:var(--r-lg);
  background:var(--brand-tint);border:1px solid rgba(18,84,168,.14);
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;
}
.inline-cta h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.inline-cta p{margin:0;font-size:14px;color:var(--text);max-width:520px;}
@media (max-width:575px){.inline-cta{padding:22px 20px;} .inline-cta .btn{width:100%;}}

/* ---------- Tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--muted);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#F4F6FA;border:1px solid var(--line);font-size:13px;color:var(--text);
}
.tag:hover{background:var(--brand-soft);border-color:rgba(18,84,168,.25);color:var(--brand);text-decoration:none;}

/* ---------- Sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
@media (max-width:991px){.side-stack{position:static;}}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px 22px 24px;
}
.side-card h3{
  font-size:15px;font-weight:600;margin-bottom:14px;padding-left:12px;position:relative;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;height:14px;border-radius:2px;background:var(--brand);
}
.toc-list li{border-bottom:1px dashed var(--line);}
.toc-list li:last-child{border-bottom:none;}
.toc-list a{display:block;padding:10px 0;font-size:14px;color:var(--text);}
.toc-list a:hover{color:var(--brand);text-decoration:none;padding-left:4px;transition:padding .18s ease;}
.side-card.tinted{background:var(--brand-tint);border-color:rgba(18,84,168,.16);}
.side-card.tinted h3::before{background:var(--accent);}
.rank-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.rank-list li:last-child{border-bottom:none;}
.rank-num{font-size:20px;font-weight:700;color:var(--brand);line-height:1.3;font-variant-numeric:tabular-nums;flex-shrink:0;}
.rank-list a{font-size:14px;color:var(--ink);line-height:1.6;display:block;}
.rank-list a:hover{color:var(--brand);text-decoration:none;}
.side-card.tinted p{font-size:14px;color:var(--text);margin-bottom:16px;}
.side-card.tinted .btn{width:100%;}

/* ---------- Pager ---------- */
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px;}
@media (max-width:767px){.pager-grid{grid-template-columns:1fr;}}
.pager-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,84,168,.28);text-decoration:none;}
.pager-card .kicker{font-size:12px;color:var(--muted);letter-spacing:.06em;margin-bottom:8px;display:block;}
.pager-card strong{display:block;font-size:16px;color:var(--ink);font-weight:600;line-height:1.55;}
.pager-card.next{text-align:right;}

/* ---------- Content cards ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.sec-head h2{font-size:28px;position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand);
}
.sec-head .sub{font-size:15px;color:var(--muted);margin:10px 0 0;max-width:640px;}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .18s ease;}
.link-more:hover svg{transform:translateX(3px);}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991px){.card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575px){.card-grid-3{grid-template-columns:1fr;}}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,84,168,.28);}
.post-card .thumb{
  aspect-ratio:16/10;overflow:hidden;background:#EEF1F7;border-bottom:1px solid var(--line);
}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .meta-row{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);}
.post-card h3{font-size:17px;font-weight:600;line-height:1.5;}
.post-card h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--brand);text-decoration:none;}
.post-card .excerpt{
  font-size:14px;line-height:1.65;color:var(--text);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .time{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin-top:auto;}
.post-card .time svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.6;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand-tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;
  padding:56px 0;
}
@media (max-width:991px){.cta-inner{grid-template-columns:1fr;gap:28px;padding:44px 0;}}
.cta-inner h2{font-size:26px;margin-bottom:12px;}
.cta-inner p{font-size:15px;color:var(--text);margin:0;max-width:560px;}
.mini-form{display:flex;gap:12px;flex-wrap:wrap;}
.mini-form input{
  flex:1 1 180px;height:44px;border-radius:10px;border:1px solid var(--line);padding:0 16px;
  background:#fff;color:var(--ink);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.mini-form input::placeholder{color:var(--muted);}
.mini-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,84,168,.15);}
.mini-form .btn{flex:1 1 160px;}
.form-note{font-size:12px;color:var(--muted);margin-top:10px;}

/* ---------- Footer ---------- */
.site-footer{background:#F7F9FC;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;gap:28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--brand);display:flex;align-items:center;justify-content:center;}
.footer-brand .brand-mark svg{width:20px;height:20px;stroke:#fff;stroke-width:1.6;fill:none;stroke-linecap:round;}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.15;}
.footer-brand .brand-text strong{font-size:16px;color:var(--ink);font-weight:700;}
.footer-brand .brand-text span{font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;}
.footer-col p{font-size:14px;line-height:1.75;color:var(--text);margin:0;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text);}
.footer-col ul a:hover{color:var(--brand);text-decoration:none;}
.copyright{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--muted);
}

/* roulang page: category1 */
:root{
  --brand:#1254A8;
  --brand-deep:#0B3A78;
  --brand-soft:#E8F0FB;
  --brand-tint:#EFF4FC;
  --accent:#F2711C;
  --teal:#0FA3A3;
  --ink:#0F172A;
  --body:#5B6577;
  --muted:#8A93A6;
  --line:#E6EAF2;
  --page:#F4F6FA;
  --card:#FFFFFF;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:20px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04), 0 10px 24px rgba(18,84,168,.07);
  --sh-2:0 16px 34px rgba(18,84,168,.12);
  --sh-3:0 20px 48px rgba(15,23,42,.14);
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",sans-serif;
  --bs-body-color:#5B6577;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--page);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:700}
p{margin:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:2px}
img{max-width:100%;display:block;background:#EDF1F7}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.wrap{max-width:1280px}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:10px;
  background:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 38px;
}
.brand-mark svg{
  width:22px;
  height:22px;
  fill:none;
  stroke:#fff;
  stroke-width:1.7;
  stroke-linecap:round;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;color:var(--ink);font-weight:700;letter-spacing:.2px}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;
  font-size:15.5px;
  color:var(--body);
  font-weight:500;
  padding:6px 0;
  text-decoration:none;
}
.main-nav a:hover{color:var(--brand)}
.main-nav a.active{color:var(--brand);font-weight:600}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-nav-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;
  border:1px solid var(--brand);
  color:var(--brand);
  background:#fff;
  border-radius:10px;
  font-size:15px;font-weight:600;
  text-decoration:none;
  transition:.2s ease;
}
.btn-nav-ghost:hover{background:rgba(18,84,168,.08);color:var(--brand-deep);text-decoration:none}
.btn-nav-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;
  background:var(--brand);
  color:#fff;
  border:1px solid var(--brand);
  border-radius:10px;
  font-size:15px;font-weight:600;
  text-decoration:none;
  transition:.2s ease;
}
.btn-nav-solid:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none}
.nav-toggle{
  width:44px;height:44px;
  display:none;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.7;stroke-linecap:round}
.mobile-drawer{width:86vw;max-width:340px}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.mobile-drawer .offcanvas-body{padding:12px 20px 28px}
.drawer-link{
  display:flex;align-items:center;
  min-height:48px;
  font-size:16px;
  color:var(--ink);
  font-weight:500;
  border-bottom:1px solid var(--line);
  text-decoration:none;
}
.drawer-link.active{color:var(--brand);font-weight:600}
.drawer-cta{display:grid;gap:12px;margin-top:24px}
.drawer-cta a{width:100%}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;
}
.drawer-close svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:1.8;stroke-linecap:round}

/* ---------- 通用按钮 ---------- */
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  font-size:15.5px;font-weight:600;
  border-radius:10px;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;border:1px solid var(--brand)}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none}
.btn-brand:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn-accent:hover{background:#D9600F;border-color:#D9600F;color:#fff;transform:translateY(-1px);box-shadow:0 16px 34px rgba(242,113,28,.22);text-decoration:none}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:rgba(18,84,168,.08);color:var(--brand-deep);text-decoration:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);text-decoration:none;
}
.link-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;transition:transform .2s ease}
.link-more:hover{text-decoration:none;color:var(--brand-deep)}
.link-more:hover svg{transform:translateX(2px)}

/* ---------- 徽章 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;font-weight:600;
  border-radius:var(--r-p);
}
.badge-state{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  background:rgba(15,163,163,.1);
  color:#0B7E7E;
  font-size:12px;font-weight:600;
  border-radius:var(--r-p);
}
.badge-lock{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border:1px solid rgba(242,113,28,.5);
  color:var(--accent);
  font-size:12px;font-weight:600;
  border-radius:var(--r-p);
}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(242,113,28,.14);
  flex:0 0 8px;
}

/* ---------- 顶部紧凑 hero ---------- */
.page-hero{
  position:relative;
  background:var(--brand-tint);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(115deg,rgba(18,84,168,.6) 0 1px,transparent 1px 22px);
  opacity:.06;
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:1;padding-top:34px;padding-bottom:44px}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  margin-bottom:18px;flex-wrap:wrap;
}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CAD8}
.crumb .cur{color:var(--muted)}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.page-hero h1{
  font-size:38px;
  line-height:1.28;
  max-width:840px;
  margin-bottom:14px;
}
.page-hero .lead{
  font-size:16px;
  color:var(--body);
  max-width:760px;
  line-height:1.8;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px dashed rgba(18,84,168,.18);
}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{
  font-size:26px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stats span{font-size:13px;color:var(--muted);margin-top:2px}

/* ---------- 主体布局 ---------- */
.main-area{padding:64px 0 80px}
.section-gap{margin-bottom:56px}
.sec-head{
  position:relative;
  padding-left:16px;
  margin-bottom:24px;
}
.sec-head::before{
  content:"";
  position:absolute;left:0;top:6px;
  width:4px;height:16px;
  border-radius:2px;
  background:var(--brand);
}
.sec-head h2{font-size:26px;margin-bottom:8px}
.sec-head p{font-size:15px;color:var(--body);max-width:660px}

/* ---------- 图文交替块 ---------- */
.feature-row{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:26px;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.feature-row:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-4px);
  border-color:rgba(18,84,168,.24);
}
.feature-row + .feature-row{margin-top:22px}
.feature-img{
  border-radius:var(--r-m);
  overflow:hidden;
  aspect-ratio:3/2;
  position:relative;
  background:#EDF1F7;
}
.feature-img img{width:100%;height:100%;object-fit:cover}
.feature-img::after{
  content:"";
  position:absolute;inset:0;
  background:rgba(18,84,168,.06);
}
.feature-body h3{
  font-size:20px;
  margin:12px 0 12px;
}
.feature-body p{font-size:15px;line-height:1.8;margin-bottom:14px}
.mini-list{display:grid;gap:10px}
.mini-list li{
  display:flex;gap:10px;
  font-size:14.5px;
  color:var(--body);
}
.mini-list svg{
  width:20px;height:20px;flex:0 0 20px;margin-top:3px;
  stroke:var(--brand);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}

/* ---------- 步骤列表 ---------- */
.steps-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:28px;
}
ol.steps{counter-reset:step;display:grid;gap:18px}
ol.steps li{
  position:relative;
  counter-increment:step;
  padding-left:46px;
}
ol.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  font-size:12.5px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
ol.steps li strong{
  display:block;
  font-size:16px;color:var(--ink);font-weight:600;
  margin-bottom:4px;
}
ol.steps li p{font-size:14.5px;line-height:1.78}

/* ---------- 异常速查表 ---------- */
.table-shell{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.tbl{width:100%;border-collapse:collapse}
.tbl thead th{
  background:#F7F9FC;
  font-size:13px;font-weight:600;color:var(--ink);
  text-align:left;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
}
.tbl tbody td{
  font-size:14.5px;
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  color:var(--body);
  vertical-align:top;
}
.tbl tbody tr:nth-child(even){background:#FAFBFD}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl td strong{color:var(--ink);font-weight:600}

/* ---------- 深色信息面板 ---------- */
.panel-dark{
  background:#0E1B2E;
  border-radius:var(--r-l);
  padding:26px 24px;
  color:#C6D2E4;
  box-shadow:var(--sh-3);
  position:relative;
  overflow:hidden;
}
.panel-dark::after{
  content:"";
  position:absolute;right:-40px;top:-40px;
  width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,84,168,.55),transparent 70%);
}
.panel-dark h3{
  color:#fff;font-size:18px;margin-bottom:16px;position:relative;z-index:1;
}
.panel-dark ul{display:grid;gap:12px;position:relative;z-index:1}
.panel-dark li{
  display:flex;gap:10px;font-size:14.5px;line-height:1.7;
}
.panel-dark li svg{
  width:18px;height:18px;flex:0 0 18px;margin-top:4px;
  stroke:var(--teal);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
}
.status-bar{
  display:flex;align-items:center;gap:10px;
  margin-top:20px;padding-top:16px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#93A4BE;
  position:relative;z-index:1;
}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:22px;
}
.side-card h3{
  font-size:15px;font-weight:600;
  padding-left:12px;position:relative;
  margin-bottom:14px;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:4px;
  width:4px;height:14px;border-radius:2px;background:var(--brand);
}
.toc{display:grid;gap:2px}
.toc a{
  display:block;
  font-size:14.5px;
  color:var(--body);
  padding:9px 10px;
  border-radius:8px;
  text-decoration:none;
  border-left:2px solid transparent;
  transition:.18s ease;
}
.toc a:hover{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand)}
.side-cta{
  background:var(--brand-tint);
  border:1px solid rgba(18,84,168,.14);
  border-radius:var(--r-l);
  padding:22px;
}
.side-cta h3{font-size:16px;margin-bottom:8px;padding:0}
.side-cta h3::before{display:none}
.side-cta p{font-size:14px;line-height:1.75;margin-bottom:16px}
.side-cta .btn-brand,.side-cta .btn-ghost{width:100%}
.side-links{display:grid;gap:14px}
.side-links a{
  display:flex;gap:12px;
  text-decoration:none;
  align-items:center;
}
.side-links a:hover{text-decoration:none}
.side-links img{
  width:72px;height:54px;flex:0 0 72px;
  object-fit:cover;border-radius:8px;
}
.side-links span{
  font-size:14px;color:var(--ink);font-weight:500;line-height:1.55;
}
.side-links a:hover span{color:var(--brand)}

/* ---------- FAQ ---------- */
.accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-m);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:#fff;
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  padding:18px 58px 18px 20px;
  box-shadow:none;
  border-radius:var(--r-m) !important;
}
.accordion-button:not(.collapsed){
  background:#fff;
  color:var(--brand);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{
  content:"";
  width:12px;height:12px;
  background-image:none;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(45deg);
  margin-top:-6px;
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);margin-top:2px}
.accordion-body{
  font-size:15px;
  line-height:1.8;
  color:var(--body);
  padding:0 20px 20px;
}
.accordion-button:not(.collapsed){border-bottom:1px solid var(--line)}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(18,84,168,.3);
}

/* ---------- 表单 / CTA ---------- */
.cta-panel{
  background:var(--brand-tint);
  border:1px solid rgba(18,84,168,.14);
  border-radius:var(--r-xl);
  padding:36px;
}
.cta-panel h2{font-size:26px;margin-bottom:12px}
.cta-panel p{font-size:15px;line-height:1.8;max-width:520px}
.cta-form{display:grid;gap:12px;margin-top:20px}
.cta-form .field{display:grid;gap:8px}
.cta-form label{font-size:13px;color:var(--muted)}
.cta-form input{
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  padding:0 14px;
  font-size:15px;
  color:var(--ink);
  background:#fff;
  width:100%;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form input::placeholder{color:#AEB6C4}
.cta-form input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,84,168,.15);
}
.code-row{display:grid;grid-template-columns:1fr auto;gap:10px}
.code-row button{
  height:44px;padding:0 18px;
  border:1px solid var(--brand);
  background:#fff;color:var(--brand);
  border-radius:10px;font-size:14px;font-weight:600;
  cursor:pointer;transition:.2s ease;
  white-space:nowrap;
}
.code-row button:hover{background:rgba(18,84,168,.08)}
.form-note{font-size:12.5px;color:var(--muted);margin-top:4px}

.back-row{margin-top:40px;display:flex;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F7F9FC;
  border-top:1px solid var(--line);
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text span{display:block}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--ink);
  margin-bottom:16px;
}
.footer-col p{font-size:14px;line-height:1.8;max-width:330px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{font-size:14px;color:var(--body);text-decoration:none}
.footer-col ul a:hover{color:var(--brand);text-decoration:none}
.copyright{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:18px 0 26px;
  font-size:13px;
  color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .page-hero h1{font-size:34px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .header-actions .btn-nav-ghost{display:none}
  .header-actions .btn-nav-solid{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:60px}
  .page-hero .wrap{padding-top:26px;padding-bottom:34px}
  .page-hero h1{font-size:30px}
  .main-area{padding:48px 0 64px}
  .section-gap{margin-bottom:44px}
  .side-sticky{position:static;margin-top:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .wrap{padding:0 20px}
}
@media (max-width:767.98px){
  .page-hero h1{font-size:26px}
  .page-hero .lead{font-size:15px}
  .hero-stats{gap:24px;margin-top:22px}
  .hero-stats strong{font-size:22px}
  .sec-head h2{font-size:22px}
  .feature-row{padding:18px}
  .feature-body h3{margin-top:16px}
  .steps-card{padding:20px}
  .cta-panel{padding:24px 20px}
  .cta-panel h2{font-size:22px}
  .tbl thead{display:none}
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl tbody tr{
    border-bottom:1px solid var(--line);
    padding:14px 16px;
  }
  .tbl tbody tr:nth-child(even){background:#FAFBFD}
  .tbl tbody td{border:0;padding:6px 0}
  .tbl tbody td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;font-weight:600;color:var(--muted);
    margin-bottom:2px;
  }
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .copyright{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .page-hero h1{font-size:23px}
  .hero-stats{gap:20px}
  .hero-stats strong{font-size:20px}
  .code-row{grid-template-columns:1fr}
  .btn-brand,.btn-ghost,.btn-accent{width:100%;padding:0 18px}
  .feature-img{aspect-ratio:16/10}
}

/* roulang page: category2 */
:root{
  --primary:#1254A8;
  --primary-deep:#0B3A78;
  --primary-soft:#E8F0FB;
  --primary-ghost:#EFF4FC;
  --accent:#F2711C;
  --accent-soft:#FDF0E6;
  --teal:#0FA3A3;
  --ink:#0F172A;
  --text:#5B6577;
  --muted:#8A93A6;
  --border:#E6EAF2;
  --page:#F4F6FA;
  --card:#FFFFFF;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04), 0 10px 24px rgba(18,84,168,.07);
  --sh-2:0 16px 34px rgba(18,84,168,.12);
  --sh-3:0 20px 48px rgba(15,23,42,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{display:block;max-width:100%}
button,input{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--primary);display:grid;place-items:center;color:#fff;flex-shrink:0}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--primary);transform:scaleX(0);transition:transform .2s ease}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:20px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:10px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(18,84,168,.18)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--primary)}
.btn-outline:hover{border-color:rgba(18,84,168,.45);background:var(--primary-soft);color:var(--primary-deep)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,113,28,.2)}
.btn-accent:hover{background:#D95F0D;color:#fff;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-block{width:100%}
.btn-link-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);height:44px}
.btn-link-text svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.btn-link-text:hover{color:var(--primary-deep)}
.btn-link-text:hover svg{transform:translateX(2px)}

.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--ink);cursor:pointer}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.mnav{width:86vw;max-width:340px;--bs-offcanvas-width:86vw;border-left:1px solid var(--border)}
.mnav .offcanvas-header{padding:16px 20px;border-bottom:1px solid var(--border);align-items:center}
.mnav .offcanvas-body{padding:8px 20px 24px;display:flex;flex-direction:column}
.mnav-links{display:flex;flex-direction:column}
.mnav-links a{display:flex;align-items:center;height:48px;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--border)}
.mnav-links a.active{color:var(--primary);font-weight:600}
.mnav-close{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer}
.mnav-close svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.mnav-cta{margin-top:24px;display:grid;gap:12px}

@media (max-width:991.98px){
  .header-inner{height:60px}
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .brand-text strong{font-size:16px}
}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EFF4FC 0%,#F7FAFF 60%,#FFFFFF 100%);border-bottom:1px solid var(--border)}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(18,84,168,.055) 0 2px,transparent 2px 24px);pointer-events:none}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:52px 0 68px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#C7CEDA}
.crumb .now{color:var(--muted)}
.cat-hero h1{font-size:38px;font-weight:700;margin-bottom:18px}
.cat-hero .lede{font-size:17px;line-height:1.85;max-width:620px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.pill{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--border);font-size:13px;font-weight:500;color:var(--text);box-shadow:0 1px 2px rgba(16,24,40,.03)}
.pill svg{width:16px;height:16px;fill:none;stroke:var(--teal);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#E9EDF4}
.hero-visual::after{content:"";position:absolute;inset:0;background:rgba(18,84,168,.06);pointer-events:none}
.float-card{position:absolute;left:-18px;bottom:26px;display:flex;align-items:center;gap:12px;padding:14px 18px;background:#fff;border-radius:14px;box-shadow:var(--sh-3);z-index:2}
.float-card .step-no{width:32px;height:32px;border-radius:9px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:14px;font-weight:700}
.float-card strong{display:block;font-size:14px;color:var(--ink);line-height:1.4}
.float-card span{font-size:12px;color:var(--muted)}

@media (max-width:991.98px){
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;padding:36px 0 52px}
  .cat-hero h1{font-size:30px}
  .float-card{left:16px}
}
@media (max-width:575.98px){
  .cat-hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
}

/* ---------- section base ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--white{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin-bottom:14px}
.eyebrow::before{content:"";width:14px;height:4px;border-radius:2px;background:var(--primary)}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-head p{font-size:16px;line-height:1.85}
@media (max-width:991.98px){.section{padding:72px 0}.section--tight{padding:56px 0}.section-head h2{font-size:26px}}
@media (max-width:575.98px){.section{padding:56px 0}.section-head h2{font-size:23px}}

/* ---------- compare table ---------- */
.compare-shell{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1)}
.plan-table{width:100%;border-collapse:separate;border-spacing:0}
.plan-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.plan-table th,.plan-table td{height:56px;padding:0 20px;font-size:15px;text-align:center;vertical-align:middle}
.plan-table thead th{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.02em;border-bottom:1px solid var(--border);height:auto;padding:20px}
.plan-table thead th span{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:2px;letter-spacing:0}
.plan-table tbody tr:nth-child(odd){background:#FAFBFD}
.plan-table tbody th{text-align:left;font-size:15px;font-weight:500;color:var(--ink);background:transparent}
.plan-table tbody td{color:var(--text);font-weight:500;font-variant-numeric:tabular-nums}
.plan-table tbody tr:not(:last-child) th,.plan-table tbody tr:not(:last-child) td{border-bottom:1px solid var(--border)}
.plan-table .col-featured{background:#F5F9FF;box-shadow:inset 2px 0 0 var(--primary),inset -2px 0 0 var(--primary)}
.plan-table thead th.col-featured{position:relative;color:var(--primary);font-weight:600;font-size:15px}
.rec-badge{display:inline-flex;align-items:center;height:20px;padding:0 10px;border-radius:var(--r-pill);background:var(--accent);color:#fff;font-size:11px;font-weight:600;letter-spacing:.04em;margin-bottom:6px}
.ico-yes,.ico-no{width:20px;height:20px;fill:none;stroke-linecap:round;stroke-linejoin:round;display:inline-block;vertical-align:middle}
.ico-yes{stroke:var(--primary);stroke-width:2}
.ico-no{stroke:#C7CEDA;stroke-width:2}
.table-note{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;margin-top:24px}
.table-note p{font-size:14px;color:var(--muted);max-width:720px}

.plan-stack{display:none;gap:16px}
.plan-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-l);padding:22px;box-shadow:var(--sh-1);position:relative}
.plan-card--featured{border-color:rgba(18,84,168,.4);box-shadow:var(--sh-2)}
.plan-card-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.plan-card-head h3{font-size:19px}
.plan-tag{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600}
.plan-tag.orange{background:var(--accent-soft);color:#C75A0F}
.plan-rows{margin:14px 0 18px}
.plan-rows li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px dashed var(--border);font-size:14px}
.plan-rows li:last-child{border-bottom:0}
.plan-rows .k{color:var(--muted)}
.plan-rows .v{color:var(--ink);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}

@media (max-width:767.98px){
  .compare-shell{display:none}
  .plan-stack{display:grid}
}

/* ---------- highlight banner ---------- */
.banner-card{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:36px;box-shadow:var(--sh-1);margin-top:32px}
.banner-card h3{font-size:22px;margin-bottom:12px}
.banner-card p{font-size:15px;line-height:1.85}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 20px}
.banner-figure{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1)}
.banner-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;background:#E9EDF4}
@media (max-width:991.98px){
  .banner-card{grid-template-columns:1fr;gap:24px;padding:26px}
}

/* ---------- point cards ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.point-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-l);padding:26px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,84,168,.24)}
.point-icon{width:44px;height:44px;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center;margin-bottom:16px}
.point-icon svg{width:24px;height:24px;fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.point-card h3{font-size:18px;margin-bottom:10px}
.point-card p{font-size:15px;line-height:1.8}
@media (max-width:767.98px){.point-grid{grid-template-columns:1fr;gap:16px}.point-card{padding:22px}}

/* ---------- flow panel ---------- */
.flow-panel{position:relative;overflow:hidden;background:var(--primary-deep);border-radius:var(--r-xl);padding:48px;color:#C9D8EE;box-shadow:var(--sh-2)}
.flow-panel::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 26px);pointer-events:none}
.flow-panel .panel-head{position:relative;max-width:680px;margin-bottom:36px}
.flow-panel h2{color:#fff;font-size:28px;margin-bottom:12px}
.flow-panel p{font-size:15px;line-height:1.85}
.flow-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-l);padding:20px}
.flow-item .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-bottom:14px;box-shadow:0 0 0 4px rgba(242,113,28,.18)}
.flow-item strong{display:block;color:#fff;font-size:16px;font-weight:600;margin-bottom:6px}
.flow-item span{font-size:14px;color:#AFC3E0;line-height:1.7;display:block}
@media (max-width:991.98px){
  .flow-panel{padding:32px 24px}
  .flow-panel h2{font-size:24px}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:575.98px){.flow-grid{grid-template-columns:1fr}}

/* ---------- faq ---------- */
.faq-acc{display:grid;gap:12px}
.faq-acc .accordion-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(18,84,168,.3);box-shadow:var(--sh-2)}
.faq-acc .accordion-header{margin:0;font-size:inherit}
.faq-acc .accordion-button{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;background:#fff;border:0;font-size:16px;font-weight:600;color:var(--ink);text-align:left;box-shadow:none;transition:color .2s ease}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary);background:#fff;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.faq-acc .accordion-button::after{content:none}
.faq-acc .accordion-button .sign{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq-acc .accordion-button .sign::before,
.faq-acc .accordion-button .sign::after{content:"";position:absolute;background:var(--muted);border-radius:2px;transition:transform .22s ease,background .22s ease}
.faq-acc .accordion-button .sign::before{left:2px;right:2px;top:9px;height:2px}
.faq-acc .accordion-button .sign::after{top:2px;bottom:2px;left:9px;width:2px}
.faq-acc .accordion-button:not(.collapsed) .sign::after{transform:scaleY(0)}
.faq-acc .accordion-button:not(.collapsed) .sign::before{background:var(--primary)}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text)}
@media (max-width:575.98px){.faq-acc .accordion-button{font-size:15px;padding:16px 18px}.faq-acc .accordion-body{padding:0 18px 18px}}

/* ---------- cta ---------- */
.cta-card{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center;background:var(--primary-ghost);border:1px solid rgba(18,84,168,.14);border-radius:var(--r-xl);padding:48px}
.cta-card h2{font-size:28px;margin-bottom:14px}
.cta-card .cta-copy p{font-size:16px;line-height:1.85}
.cta-list{display:grid;gap:10px;margin-top:22px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px}
.cta-list svg{width:18px;height:18px;flex:0 0 18px;margin-top:5px;fill:none;stroke:var(--primary);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cta-form{background:#fff;border:1px solid var(--border);border-radius:var(--r-l);padding:26px;box-shadow:var(--sh-2)}
.field-label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.phone-row{display:flex;gap:10px;margin-bottom:14px}
.phone-row input{flex:1;min-width:0;height:44px;padding:0 14px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.phone-row input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,84,168,.15)}
.phone-row input::placeholder{color:#A8B0C0}
.btn-code{height:44px;padding:0 16px;flex:0 0 auto}
.form-tip{margin-top:12px;font-size:13px;line-height:1.7;color:var(--muted)}
@media (max-width:991.98px){
  .cta-card{grid-template-columns:1fr;gap:28px;padding:30px 24px}
  .cta-card h2{font-size:24px}
}
@media (max-width:575.98px){
  .phone-row{flex-wrap:wrap}
  .phone-row input{flex:1 1 100%}
  .btn-code{width:100%}
}

/* ---------- footer ---------- */
.site-footer{background:#F7F9FC;border-top:1px solid var(--border);padding:64px 0 24px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{font-size:14px;color:var(--text)}
.footer-col ul a:hover{color:var(--primary)}
.copyright{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:48px;padding-top:20px;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:32px}.site-footer{padding:48px 0 20px}}