/* roulang page: index */
:root{
  --brand:#1B52D8;
  --brand-dark:#123C9E;
  --brand-light:#2F6BFF;
  --brand-soft:#EEF4FF;
  --lime:#B8E85A;
  --lime-ink:#1B2A08;
  --orange:#FF8A4C;
  --orange-soft:#FFF1E8;
  --ink:#0D1B2A;
  --ink-2:#33425B;
  --ink-3:#66758C;
  --bg:#F6F9FE;
  --card:#FFFFFF;
  --line:#E2EAF6;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(18,60,158,.06);
  --sh-2:0 18px 48px rgba(18,60,158,.12);
  --sh-dock:0 12px 40px rgba(18,60,158,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-top:104px;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;color:var(--ink);line-height:1.28;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:7px 16px;
  margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(26px,3vw,36px);}
.section-head .lead{font-size:15px;color:var(--ink-3);margin:10px 0 0;max-width:56ch;}
.link-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more:hover{gap:10px;}

/* ============ Dock 导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1040;
}
.dock{
  width:min(1180px,calc(100% - 32px));
  margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-dock);
  display:flex;
  align-items:center;
  gap:24px;
  padding:12px 18px 12px 20px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:var(--r-sm);
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 62%,var(--lime) 160%);
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 6px 16px rgba(27,82,216,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--ink);}
.brand-text em{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--ink-3);}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:#F4F8FF;color:var(--brand);transform:translateY(-1px);}
.nav-link.active{background:var(--brand-soft);color:var(--brand);}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-btn{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s,color .2s,transform .2s;
}
.search-btn:hover{border-color:var(--brand-light);color:var(--brand);transform:translateY(-1px);}
.search-btn svg{width:17px;height:17px;}
.dock-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;cursor:pointer;
}
.dock-toggle svg{width:20px;height:20px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(27,82,216,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(27,82,216,.28);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand-light);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;color:var(--brand);border-color:transparent;height:auto;padding:0;font-size:14px;}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:64px 0 88px;
  background:
    radial-gradient(circle at 82% 12%,rgba(184,232,90,.22),transparent 42%),
    linear-gradient(180deg,#F2F7FF 0%,#FBFDFF 68%,var(--bg) 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(27,82,216,.10) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(30px,4.4vw,52px);letter-spacing:.005em;margin-bottom:20px;}
.hero h1 .hl{color:var(--brand);}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:32ch;margin-bottom:30px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px;}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 15px;font-size:13px;font-weight:600;color:var(--ink-2);
  box-shadow:0 4px 14px rgba(18,60,158,.05);
}
.tag-pill i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;box-shadow:0 0 0 3px rgba(184,232,90,.28);}
.hero-visual{position:relative;}
.hero-img-wrap{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-2);background:linear-gradient(150deg,#DCE9FF,#F4F9FF);
  aspect-ratio:16/12;
}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-2);padding:14px 18px;
}
.hero-float.f1{left:-22px;bottom:38px;display:flex;align-items:center;gap:12px;}
.hero-float.f1 .num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.1;}
.hero-float.f1 .txt{font-size:12px;color:var(--ink-3);line-height:1.4;}
.hero-float.f2{
  right:-8px;top:-16px;display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);border-color:var(--lime);color:var(--lime-ink);
  font-size:13px;font-weight:700;padding:9px 16px;border-radius:var(--r-pill);
  box-shadow:0 10px 26px rgba(120,170,20,.25);
}
.hero-float.f2 .pulse{width:8px;height:8px;border-radius:50%;background:var(--lime-ink);opacity:.75;}

/* ============ 数据条 ============ */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:32px 36px;margin-top:-44px;position:relative;z-index:3;
}
.stat-item{border-right:1px solid var(--line);padding-right:20px;}
.stat-item:last-child{border-right:0;padding-right:0;}
.stat-item .num{font-size:clamp(24px,2.4vw,32px);font-weight:800;color:var(--brand);line-height:1.2;}
.stat-item .num span{font-size:15px;font-weight:700;color:var(--ink-2);margin-left:4px;}
.stat-item .label{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* ============ 优惠阶梯 ============ */
.ladder-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;padding-bottom:80px;}
.ladder-wrap::before{
  content:"";position:absolute;left:6%;right:6%;top:120px;height:0;
  border-top:2px dashed rgba(27,82,216,.22);
}
.ladder-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.ladder-step:hover{transform:translateY(-4px);border-color:#CBDDFB;box-shadow:var(--sh-2);}
.ladder-step:nth-child(2){margin-top:40px;}
.ladder-step:nth-child(3){margin-top:80px;}
.ladder-step .idx{
  font-size:34px;font-weight:800;color:var(--brand-soft);
  letter-spacing:-.02em;line-height:1;margin-bottom:6px;
  -webkit-text-stroke:1px rgba(27,82,216,.35);
}
.ladder-step h3{font-size:21px;margin-bottom:10px;}
.ladder-step p{font-size:14px;color:var(--ink-3);margin-bottom:18px;}
.ladder-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.chip{
  display:inline-flex;align-items:center;
  background:var(--brand-soft);color:var(--brand);
  border-radius:var(--r-pill);padding:5px 12px;font-size:12px;font-weight:600;
}
.chip-lime{background:rgba(184,232,90,.28);color:var(--lime-ink);}
.chip-orange{background:var(--orange-soft);color:#B4530F;}
.chip-grey{background:#EFF3F9;color:var(--ink-3);}

/* ============ 对比矩阵 ============ */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.compare{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;}
.compare th,.compare td{padding:0 22px;height:56px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);}
.compare thead th{
  height:auto;padding-top:22px;padding-bottom:18px;vertical-align:bottom;
  background:#FBFDFF;font-size:15px;font-weight:700;color:var(--ink-2);
}
.compare thead th .plan-name{display:block;font-size:18px;font-weight:800;color:var(--ink);margin-bottom:2px;}
.compare thead th .plan-desc{font-size:12px;font-weight:500;color:var(--ink-3);}
.compare tbody th{font-weight:600;color:var(--ink-2);background:#fff;font-size:14px;}
.compare tbody tr:hover td,.compare tbody tr:hover th{background:#F7FAFF;}
.compare td{color:var(--ink-2);}
.compare .col-rec{
  background:linear-gradient(180deg,#EEF4FF 0%,rgba(238,244,255,.35) 100%);
  position:relative;
}
.compare thead th.col-rec::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--brand);
}
.compare thead th.col-rec{position:relative;}
.badge-rec{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand);color:#fff;border-radius:var(--r-pill);
  font-size:11px;font-weight:700;padding:3px 10px;margin-left:8px;vertical-align:middle;
}
.compare .yes{color:var(--brand);font-weight:700;}
.compare .no{color:#9AA7BA;}
.compare tfoot td{padding:22px;height:auto;border-bottom:0;background:#FBFDFF;}

/* ============ 限时入口 ============ */
.limited{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--brand-dark) 0%,var(--brand) 52%,#2F6BFF 100%);
  border-radius:var(--r-xl);
  padding:48px 52px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  box-shadow:0 22px 54px rgba(18,60,158,.22);
}
.limited::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border-radius:50%;border:2px solid rgba(255,255,255,.16);
}
.limited .badge-time{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--orange);color:#fff;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;padding:6px 14px;margin-bottom:16px;
}
.limited h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;}
.limited p{color:rgba(255,255,255,.82);font-size:15px;margin-bottom:24px;max-width:44ch;}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;position:relative;z-index:2;}
.cd-cell{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-md);padding:14px 8px;text-align:center;
}
.cd-cell .n{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff;line-height:1.15;}
.cd-cell .u{font-size:11px;color:rgba(255,255,255,.72);letter-spacing:.1em;margin-top:2px;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.news-feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:block;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CBDDFB;color:inherit;}
.news-feature .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(150deg,#DDEAFF,#F5F9FF);}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-feature:hover .thumb img{transform:scale(1.03);}
.news-feature .body{padding:24px;}
.news-feature h3{font-size:21px;margin:12px 0 10px;line-height:1.45;}
.news-feature p{font-size:14px;color:var(--ink-3);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ink-3);flex-wrap:wrap;}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-row{
  display:grid;grid-template-columns:96px 1fr auto;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:0 4px 14px rgba(18,60,158,.05);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-row:hover{transform:translateY(-2px);border-color:#CBDDFB;box-shadow:var(--sh-1);}
.news-row .thumb{
  width:96px;height:72px;border-radius:10px;overflow:hidden;
  background:linear-gradient(150deg,#DDEAFF,#F5F9FF);
}
.news-row .thumb img{width:100%;height:100%;object-fit:cover;}
.news-row h3{font-size:16px;line-height:1.5;margin-bottom:6px;color:var(--ink);}
.news-row:hover h3{color:var(--brand-dark);}
.news-row p{font-size:13px;color:var(--ink-3);margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .arrow{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);background:#fff;flex-shrink:0;
}
.news-row:hover .arrow{background:var(--brand);border-color:var(--brand);color:#fff;}
.empty-state{
  border:2px dashed #CBDDFB;border-radius:var(--r-lg);background:#FBFDFF;
  padding:56px 24px;text-align:center;color:var(--ink-3);
}
.empty-state .ico{
  width:56px;height:56px;border-radius:var(--r-md);margin:0 auto 16px;
  background:var(--brand-soft);display:grid;place-items:center;color:var(--brand);
}
.empty-state p{font-size:15px;margin-bottom:18px;}

/* ============ 栏目入口 ============ */
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.col-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.col-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CBDDFB;}
.col-card .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(150deg,#DDEAFF,#F5F9FF);}
.col-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.col-card:hover .thumb img{transform:scale(1.03);}
.col-card .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.col-card h3{font-size:20px;}
.col-card p{font-size:14px;color:var(--ink-3);margin:0;flex:1;}
.col-card .link-more{margin-top:2px;}

/* ============ 证据 / 评价 ============ */
.evidence{
  background:linear-gradient(180deg,#FFFFFF 0%,#F3F8FF 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.evidence-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;}
.evidence h2{font-size:clamp(26px,3vw,36px);margin-bottom:16px;}
.evidence .lead{font-size:15px;color:var(--ink-2);max-width:44ch;margin-bottom:26px;}
.evidence-points{display:grid;gap:14px;}
.ev-point{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.ev-point .tick{
  width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;flex-shrink:0;margin-top:2px;font-size:12px;font-weight:800;
}
.quote-stack{display:grid;gap:16px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.quote-card p{font-size:15px;color:var(--ink-2);margin-bottom:16px;}
.quote-user{display:flex;align-items:center;gap:12px;}
.quote-avatar{
  width:42px;height:42px;border-radius:50%;overflow:hidden;flex-shrink:0;
  background:var(--brand-soft);border:1px solid var(--line);
}
.quote-avatar img{width:100%;height:100%;object-fit:cover;}
.quote-user .name{font-size:14px;font-weight:700;color:var(--ink);}
.quote-user .role{font-size:12px;color:var(--ink-3);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.support-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.support-card h3{font-size:19px;margin-bottom:10px;}
.support-card p{font-size:14px;color:var(--ink-3);margin-bottom:20px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-item:last-child{border-bottom:0;}
.accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:22px 52px 22px 18px;
  font-size:16px;font-weight:600;color:var(--ink);
  border-radius:var(--r-md) !important;
}
.accordion-button:not(.collapsed){
  background:var(--brand-soft);color:var(--brand-dark);
  box-shadow:none;
}
.accordion-button::after{
  display:none;
}
.faq-icon{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--brand);
  font-size:16px;line-height:1;transition:background .2s,color .2s,border-color .2s;
}
.accordion-button:not(.collapsed) .faq-icon{background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-icon::before{content:"+";font-weight:700;}
.accordion-button:not(.collapsed) .faq-icon::before{content:"−";}
.accordion-button:focus{box-shadow:none;}
.accordion-body{padding:4px 18px 24px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.accordion-button{position:relative;}

/* ============ 表单 ============ */
.contact-section{
  background:linear-gradient(180deg,var(--bg) 0%,#EEF4FF 100%);
}
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.contact-left h2{font-size:clamp(26px,3vw,34px);margin-bottom:16px;}
.contact-left p{font-size:15px;color:var(--ink-2);max-width:44ch;}
.contact-notes{display:grid;gap:14px;margin:26px 0 24px;}
.contact-note{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-2);}
.contact-note .ico{
  width:34px;height:34px;border-radius:10px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);flex-shrink:0;box-shadow:0 4px 12px rgba(18,60,158,.06);
}
.contact-note .ico svg{width:16px;height:16px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .sub{font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.form-label{font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.form-control,.form-select{
  height:50px;border-radius:14px;border:1px solid var(--line);
  padding:0 16px;font-size:15px;color:var(--ink);background-color:#fff;
}
.form-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2366758C'%3E%3Cpath d='M8 11.2 3.2 6.4l1.1-1.1L8 9l3.7-3.7 1.1 1.1z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;background-size:16px;
}
textarea.form-control{height:auto;min-height:120px;padding:14px 16px;line-height:1.7;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(27,82,216,.12);outline:none;
}
.form-check-input{border-color:#C6D4EA;width:18px;height:18px;margin-top:3px;border-radius:6px;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(27,82,216,.12);}
.form-check-label{font-size:13px;color:var(--ink-3);line-height:1.7;}
.privacy-note{font-size:12px;color:var(--ink-3);margin-top:14px;margin-bottom:0;}

/* ============ 页脚 ============ */
.site-footer{background:#0D1B2A;color:#C7D2E5;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:#8FA2BE;}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB0C9;max-width:34ch;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14px;color:#C7D2E5;}
.footer-links a:hover{color:var(--lime);}
.footer-info{display:grid;gap:11px;font-size:14px;color:#9FB0C9;}
.footer-info strong{color:#DCE6F5;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#8FA2BE;
}
.footer-bottom a{color:#8FA2BE;}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,27,42,.36);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:84px;left:16px;right:16px;z-index:1060;
  background:#fff;border-radius:24px;border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(13,27,42,.22);
  padding:22px;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:transform .22s ease,opacity .22s ease,visibility .22s ease;
}
.drawer.show{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-search{display:flex;gap:10px;margin-bottom:16px;}
.drawer-search input{
  flex:1;height:46px;border-radius:12px;border:1px solid var(--line);
  padding:0 14px;font-size:14px;color:var(--ink);
}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(27,82,216,.12);outline:none;}
.drawer-links{display:grid;gap:6px;margin-bottom:18px;}
.drawer-links a{
  padding:13px 16px;border-radius:12px;font-size:15px;font-weight:600;color:var(--ink-2);
}
.drawer-links a:hover{background:#F4F8FF;color:var(--brand);}
.drawer-links a.active{background:var(--brand-soft);color:var(--brand);}
.drawer .btn{width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .hero-grid{gap:44px;}
}
@media (max-width:1199px){
  .container-x{padding-left:24px;padding-right:24px;}
  .dock{gap:16px;}
  .nav-link{padding:9px 12px;font-size:14px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .hero-visual{max-width:620px;}
  .news-grid{grid-template-columns:1fr;gap:24px;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .evidence-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991px){
  body{padding-top:96px;}
  .dock-menu{display:none;}
  .dock-toggle{display:grid;}
  .dock{padding:10px 14px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:22px;padding:26px;margin-top:-32px;}
  .stat-item{border-right:0;padding-right:0;}
  .stat-item:nth-child(odd){border-right:1px solid var(--line);padding-right:20px;}
  .ladder-wrap{grid-template-columns:1fr;padding-bottom:0;}
  .ladder-wrap::before{display:none;}
  .ladder-step:nth-child(2),.ladder-step:nth-child(3){margin-top:0;}
  .limited{grid-template-columns:1fr;padding:36px 28px;gap:26px;}
  .col-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container-x{padding-left:16px;padding-right:16px;}
  body{padding-top:88px;font-size:15px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .hero{padding:36px 0 56px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{flex:1;min-width:140px;}
  .hero-float.f1{left:0;bottom:12px;padding:11px 14px;}
  .hero-float.f2{right:0;top:-12px;font-size:12px;padding:7px 13px;}
  .section-head{margin-bottom:28px;gap:14px;}
  .stats-bar{grid-template-columns:1fr;gap:18px;padding:22px;margin-top:-24px;}
  .stat-item:nth-child(odd){border-right:0;padding-right:0;}
  .stat-item{border-bottom:1px solid var(--line);padding-bottom:16px;}
  .stat-item:last-child{border-bottom:0;padding-bottom:0;}
  .news-row{grid-template-columns:72px 1fr;gap:14px;padding:12px 14px;}
  .news-row .thumb{width:72px;height:58px;}
  .news-row .arrow{display:none;}
  .countdown{grid-template-columns:repeat(4,1fr);gap:8px;}
  .cd-cell{padding:10px 4px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .compare th,.compare td{padding:0 14px;font-size:14px;}
  .compare .col-sticky{
    position:sticky;left:0;z-index:2;background:#fff;
    box-shadow:8px 0 12px -10px rgba(18,60,158,.35);
  }
  .compare thead th.col-sticky{background:#FBFDFF;}
}
@media (max-width:575px){
  .brand-text strong{font-size:15px;}
  .brand-text em{font-size:10px;letter-spacing:.12em;}
  .search-btn{display:none;}
  .limited{padding:28px 20px;}
  .form-card{padding:18px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
}

/* roulang page: article */
:root{
  --blue:#1B52D8;--blue-dark:#123C9E;--blue-light:#2F6BFF;--blue-pale:#EEF4FF;
  --lime:#B8E85A;--lime-ink:#1B2A08;--orange:#FF8A4C;
  --ink:#0D1B2A;--text2:#33425B;--text3:#66758C;
  --bg:#F6F9FE;--card:#FFFFFF;--surface:#EEF4FF;--line:#E2EAF6;
  --r-sm:12px;--r-md:16px;--r-lg:22px;--r-xl:28px;--r-pill:999px;
  --sh:0 8px 24px rgba(18,60,158,.06);
  --sh-hover:0 18px 48px rgba(18,60,158,.12);
  --sh-dock:0 12px 40px rgba(18,60,158,.12);
  --c-max:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding-top:104px;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--blue-dark)}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.28;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
::selection{background:rgba(184,232,90,.55);color:var(--ink)}
.container-x{width:100%;max-width:var(--c-max);margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--blue-pale);color:var(--blue-dark);font-size:13px;font-weight:700
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{color:var(--text3);font-size:15px;margin-top:8px;max-width:620px}
.muted{color:var(--text3)}

/* 浮动 Dock 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 16px 0;pointer-events:none}
.dock{
  pointer-events:auto;width:min(1180px,calc(100% - 32px));margin:0 auto;
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-dock);padding:10px 14px 10px 18px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--blue-light),var(--blue-dark));
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(27,82,216,.28)
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;color:var(--text3);letter-spacing:.06em}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
  border-radius:var(--r-pill);color:var(--text2);font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)
}
.nav-link:hover{background:var(--surface);color:var(--blue-dark);transform:translateY(-1px)}
.nav-link.active{background:var(--blue-pale);color:var(--blue)}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.search-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--text2);display:grid;place-items:center;transition:.2s var(--ease)
}
.search-btn svg{width:19px;height:19px}
.search-btn:hover{background:var(--surface);color:var(--blue);border-color:#CFDEF7}
.dock-toggle{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);place-items:center
}
.dock-toggle svg{width:20px;height:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  white-space:nowrap
}
.btn-sm{height:44px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(27,82,216,.22)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--blue-dark)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface);color:var(--blue-dark);transform:translateY(-1px);border-color:#CFDEF7}
.btn-lime{background:var(--lime);color:var(--lime-ink)}
.btn-lime:hover{background:#CBF07A;color:var(--lime-ink);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--blue-dark)}
.btn-white:hover{background:#F2F6FF;color:var(--blue-dark);transform:translateY(-1px)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--blue)}
.text-link svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.text-link:hover{color:var(--blue-dark);text-decoration:underline;text-underline-offset:3px}
.text-link:hover svg{transform:translateX(3px)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(13,27,42,.38);z-index:1200;opacity:0;visibility:hidden;transition:.26s var(--ease)}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(330px,86vw);background:#fff;z-index:1300;
  border-radius:24px 0 0 24px;padding:22px;box-shadow:-12px 0 48px rgba(13,27,42,.18);
  transform:translateX(105%);transition:transform .3s var(--ease);display:flex;flex-direction:column;gap:18px;
  overflow-y:auto
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--text2)}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 16px;
  border-radius:14px;color:var(--text2);font-weight:600;background:#fff;border:1px solid transparent
}
.drawer-nav a:hover{background:var(--blue-pale);color:var(--blue);border-color:#DCE8FB}
.drawer-search{display:flex;gap:8px}
.drawer-search input{
  flex:1;height:46px;border-radius:14px;border:1px solid var(--line);padding:0 14px;font-size:14px;background:#fff;color:var(--ink)
}
.drawer-search input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(27,82,216,.12)}

/* 面包屑 */
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text3);padding:24px 0 0}
.crumbs a{color:var(--text3)}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{color:#B9C6DA}
.crumbs .cur{color:var(--text2);font-weight:600}

/* 文章头 */
.article-head{padding:20px 0 0}
.article-head h1{font-size:clamp(27px,3.6vw,42px);line-height:1.3;margin:16px 0 0;max-width:920px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--blue-pale);color:var(--blue-dark);font-size:12.5px;font-weight:700
}
.badge-cat.lime{background:#E9F8C4;color:var(--lime-ink)}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;margin-top:18px;font-size:13.5px;color:var(--text3)}
.meta-row .split{width:1px;height:13px;background:var(--line)}
.cover-wrap{
  margin-top:28px;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);aspect-ratio:16/8;background:linear-gradient(135deg,#EAF1FE,#F8FBFF)
}
.cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.cover-wrap:hover img{transform:scale(1.02)}

/* 阅读布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:44px;align-items:start;margin-top:40px}
.reader{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:40px 40px 32px;box-shadow:var(--sh)
}
.article-body{font-size:17px;line-height:1.9;color:var(--text2);max-width:760px}
.article-body > * + *{margin-top:18px}
.article-body p{margin:0}
.article-body h2{
  font-size:clamp(23px,2.6vw,29px);color:var(--ink);margin:38px 0 16px;
  padding-left:14px;border-left:3px solid var(--blue);line-height:1.4
}
.article-body h3{font-size:20px;color:var(--ink);margin:28px 0 12px}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--blue);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin:16px 0;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin:10px 0}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--blue-light)}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:26px;margin:10px 0;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.1em;width:19px;height:19px;border-radius:50%;
  background:var(--blue-pale);color:var(--blue-dark);font-size:12px;font-weight:700;display:grid;place-items:center
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--blue-pale);border-left:3px solid var(--blue);
  border-radius:0 16px 16px 0;color:var(--text2);font-size:16px
}
.article-body img{border-radius:16px;margin:22px 0;width:100%;height:auto}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--surface);color:var(--ink);font-weight:700}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed #D2E0F5;border-radius:20px;background:#FBFDFF
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--blue-pale);
  display:grid;place-items:center;color:var(--blue)
}
.empty-state .ico svg{width:26px;height:26px}
.empty-state h2{font-size:21px;margin-bottom:8px}
.empty-state p{color:var(--text3);font-size:15px;margin-bottom:20px}

/* 侧栏 */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh)}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 .bar{width:4px;height:16px;border-radius:2px;background:var(--lime)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;color:var(--text2);font-size:14px;line-height:1.55;
  border-left:2px solid transparent;transition:.18s var(--ease)
}
.toc-list a:hover{background:var(--blue-pale);color:var(--blue);border-left-color:var(--blue)}
.toc-empty{font-size:13.5px;color:var(--text3);line-height:1.7}
.cta-side{
  background:linear-gradient(150deg,#1B52D8,#123C9E);border:none;color:#fff;border-radius:var(--r-lg);
  padding:24px;box-shadow:0 14px 34px rgba(27,82,216,.28)
}
.cta-side h3{color:#fff;font-size:17px;margin-bottom:8px}
.cta-side p{color:#CBD9F7;font-size:14px;line-height:1.75;margin-bottom:16px}
.cta-side .btn{height:44px;font-size:14px;width:100%}
.side-links{display:flex;flex-direction:column;gap:4px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 10px;border-radius:12px;
  color:var(--text2);font-size:14.5px;font-weight:600;transition:.18s var(--ease)
}
.side-links a svg{width:15px;height:15px;color:#A9BAD3;flex-shrink:0;transition:.18s var(--ease)}
.side-links a:hover{background:var(--surface);color:var(--blue)}
.side-links a:hover svg{color:var(--blue);transform:translateX(3px)}

/* 标签与翻页 */
.article-foot{margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tag-row .label{font-size:13px;color:var(--text3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface);color:var(--blue-dark);font-size:13px;font-weight:600;
  border:1px solid #DDE8FA;transition:.18s var(--ease)
}
.tag:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.pager a{
  display:flex;flex-direction:column;gap:6px;padding:16px 18px;border-radius:16px;background:#fff;
  border:1px solid var(--line);color:var(--text2);transition:.2s var(--ease)
}
.pager a span{font-size:12.5px;color:var(--text3)}
.pager a strong{font-size:15px;font-weight:700;color:var(--ink);line-height:1.5}
.pager a:hover{border-color:#CBDBF5;box-shadow:var(--sh-hover);transform:translateY(-2px);color:var(--text2)}
.pager a.next{text-align:right;align-items:flex-end}
.back-row{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);display:flex;flex-direction:column;transition:.22s var(--ease);height:100%
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D2E0F5}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#EAF1FE,#F8FBFF)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.5}
.rel-card h3 a{color:var(--ink)}
.rel-card h3 a:hover{color:var(--blue)}
.rel-card p{font-size:14px;color:var(--text3);line-height:1.7}
.rel-card .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--text3)}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(120deg,#1B52D8,#123C9E);color:#fff;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 20px 50px rgba(18,60,158,.22)
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,232,90,.35),transparent 68%)
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);position:relative;z-index:1}
.cta-band p{color:#CBD9F7;font-size:15px;margin-top:10px;max-width:560px;position:relative;z-index:1}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* 页脚 */
.site-footer{background:#0D1B2A;color:#C7D2E5;margin-top:80px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text strong{color:#fff;font-size:17px}
.footer-brand .brand-text em{color:#8CA0BE;font-size:11px;font-style:normal;letter-spacing:.06em}
.footer-desc{font-size:14px;color:#93A5C0;line-height:1.85;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#93A5C0;font-size:14px;transition:.18s var(--ease)}
.footer-links a:hover{color:var(--lime)}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#93A5C0}
.footer-info strong{color:#E4EBF7;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(199,210,229,.14);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#7E8FA9
}

/* 响应式 */
@media (max-width:1199px){
  .container-x{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
  .reader{padding:32px 28px}
}
@media (max-width:991px){
  body{padding-top:92px}
  .dock-menu{display:none}
  .dock-toggle{display:grid}
  .dock{padding:10px 12px 10px 14px;gap:12px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .side{position:static}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cover-wrap{aspect-ratio:16/9}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .section{padding:48px 0}
  .reader{padding:24px 18px;border-radius:20px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin:28px 0 12px}
  .pager{grid-template-columns:1fr}
  .pager a.next{text-align:left;align-items:flex-start}
  .cta-band{padding:30px 22px;border-radius:22px}
  .covr-wrap{aspect-ratio:16/10}
  .section-head{margin-bottom:24px}
}
@media (max-width:575px){
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .dock-actions .btn-sm{display:none}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:10px}
  .article-head h1{font-size:24px}
}

/* roulang page: category1 */
:root{
  --c-main:#1B52D8;
  --c-main-deep:#123C9E;
  --c-main-light:#2F6BFF;
  --c-tint:#EEF4FF;
  --c-lime:#B8E85A;
  --c-lime-ink:#1B2A08;
  --c-orange:#FF8A4C;
  --c-orange-soft:#FFF1E9;
  --ink:#0D1B2A;
  --ink-2:#33425B;
  --ink-3:#66758C;
  --bg:#F6F9FE;
  --card:#FFFFFF;
  --line:#E2EAF6;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --sh-card:0 8px 24px rgba(18,60,158,.06);
  --sh-hover:0 18px 48px rgba(18,60,158,.12);
  --sh-dock:0 12px 40px rgba(18,60,158,.12);
  --pad-x:32px;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-main)}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--pad-x)}

/* ===== Dock 导航 ===== */
.site-header{position:sticky;top:16px;z-index:1000;padding:0 16px}
.dock{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-dock);
  padding:10px 14px 10px 18px;
  min-height:68px;
  backdrop-filter:saturate(140%) blur(2px);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(145deg,var(--c-main-light),var(--c-main-deep));
  display:grid;place-items:center;flex:none;
  box-shadow:0 6px 16px rgba(27,82,216,.25);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--ink-3);font-weight:600}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;height:42px;padding:0 16px;
  border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--c-tint);color:var(--c-main-deep);transform:translateY(-1px)}
.nav-link.active{background:var(--c-tint);color:var(--c-main)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none}
.search-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.search-btn svg{width:18px;height:18px}
.search-btn:hover{border-color:var(--c-main);color:var(--c-main);transform:translateY(-1px)}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);place-items:center;
}
.dock-toggle svg{width:20px;height:20px}

/* ===== 按钮 ===== */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--c-main);color:#fff;box-shadow:0 8px 20px rgba(27,82,216,.22)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--c-main-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(27,82,216,.3)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover,.btn-ghost:focus-visible{border-color:var(--c-main);color:var(--c-main);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-main-deep);box-shadow:0 8px 20px rgba(9,26,64,.18)}
.btn-light:hover{background:#F2F7FF;color:var(--c-main-deep);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-main);
}
.link-arrow svg{width:15px;height:15px;transition:transform .2s ease}
.link-arrow:hover{color:var(--c-main-deep);text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover svg{transform:translateX(3px)}

/* ===== 页头 ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:72px 0 64px;
  background:
    radial-gradient(circle at 88% 12%, rgba(184,232,90,.22), transparent 46%),
    linear-gradient(180deg,#F2F7FF 0%,#F8FBFF 58%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(27,82,216,.16) 1px, transparent 1px);
  background-size:26px 26px;opacity:.35;
  mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
}
.page-hero .container-x{position:relative;z-index:1}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px}
.breadcrumb-x a{color:var(--ink-3)}
.breadcrumb-x a:hover{color:var(--c-main)}
.breadcrumb-x .sep{color:#B9C6DA}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--c-main-deep);
  box-shadow:var(--sh-card);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-lime);box-shadow:0 0 0 4px rgba(184,232,90,.28)}
h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;line-height:1.22;letter-spacing:.01em;
  margin:18px 0 16px;
}
h1 .h1-accent{color:var(--c-main)}
.lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat{
  flex:1 1 150px;min-width:140px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh-card);
}
.stat-num{font-size:22px;font-weight:800;color:var(--c-main-deep);font-variant-numeric:tabular-nums;line-height:1.3}
.stat-label{font-size:12.5px;color:var(--ink-3);letter-spacing:.02em}
.hero-visual{position:relative}
.hero-img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);border:1px solid var(--line);
  box-shadow:var(--sh-hover);
}
.board-float{
  position:absolute;left:-16px;bottom:-22px;
  width:min(258px,86%);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--sh-dock);
}
.board-float .bf-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.board-float .bf-title{font-size:13px;font-weight:700;color:var(--ink)}
.board-float .bf-text{font-size:12.5px;line-height:1.6;color:var(--ink-3)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-tint{background:var(--c-tint);color:var(--c-main)}
.badge-lime{background:var(--c-lime);color:var(--c-lime-ink)}
.badge-orange{background:var(--c-orange-soft);color:#C0511B}
.badge-grey{background:#EDF1F7;color:var(--ink-3)}

/* ===== 板块通用 ===== */
.section{padding:var(--sec-y) 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.sec-head h2{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.3;letter-spacing:.01em}
.sec-head p{font-size:15px;color:var(--ink-3);margin-top:8px;max-width:36em}
.sec-note{font-size:14px;color:var(--ink-3)}

/* ===== 筛选胶囊 ===== */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px 18px;box-shadow:var(--sh-card);margin-bottom:32px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-main-light);color:var(--c-main);transform:translateY(-1px)}
.chip.is-active{background:var(--c-main);border-color:var(--c-main);color:#fff;box-shadow:0 8px 18px rgba(27,82,216,.22)}
.filter-note{font-size:13px;color:var(--ink-3)}

/* ===== 时间轴 ===== */
.ann-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:40px;align-items:start}
.timeline{position:relative;padding-top:4px}
.timeline::before{
  content:"";position:absolute;left:100px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,rgba(27,82,216,.35),rgba(27,82,216,.06));
  border-radius:2px;
}
.tl-item{
  display:grid;grid-template-columns:84px minmax(0,1fr);
  column-gap:32px;padding-bottom:26px;position:relative;
}
.tl-date{
  position:relative;text-align:right;padding-top:16px;
  font-variant-numeric:tabular-nums;
}
.tl-date .d-day{display:block;font-size:20px;font-weight:800;color:var(--c-main-deep);line-height:1.2;letter-spacing:.01em}
.tl-date .d-label{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.06em}
.tl-date::after{
  content:"";position:absolute;right:-21px;top:24px;
  width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--c-main);
  box-shadow:0 0 0 4px rgba(27,82,216,.08);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CBDCF8}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.tl-time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.tl-card h3{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:8px;letter-spacing:.01em}
.tl-card h3 a:hover{color:var(--c-main)}
.tl-text{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:#F4F8FF;color:var(--ink-2);font-size:12px;border:1px solid var(--line);
}

/* ===== 侧栏 ===== */
.ann-side{position:sticky;top:104px;display:grid;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-card);
}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin-bottom:14px}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-main)}
.pin-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);margin-bottom:14px}
.pin-title{font-size:15px;font-weight:700;line-height:1.6;margin-bottom:8px}
.pin-text{font-size:13px;line-height:1.75;color:var(--ink-3);margin-bottom:12px}
.sub-form{display:grid;gap:10px}
.form-control{
  height:50px;border-radius:14px;border:1px solid var(--line);background:#fff;
  padding:0 16px;font-size:14.5px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#9AA9BE}
.form-control:focus{
  border-color:var(--c-main);box-shadow:0 0 0 4px rgba(27,82,216,.12);
  background:#fff;color:var(--ink);
}
.form-hint{font-size:12px;line-height:1.7;color:var(--ink-3)}
.side-contact{background:linear-gradient(160deg,#F2F7FF,#FFFFFF);border-color:#D8E5FA}
.side-contact .sc-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);padding:8px 0;border-bottom:1px dashed var(--line)}
.side-contact .sc-row:last-of-type{border-bottom:0}
.side-contact .sc-row strong{color:var(--ink);font-variant-numeric:tabular-nums}

/* ===== 阅读指引 ===== */
.guide-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.guide-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-card);overflow:hidden}
.guide-item{display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;padding:22px 24px;border-bottom:1px solid var(--line)}
.guide-item:last-child{border-bottom:0}
.guide-num{
  font-size:22px;font-weight:800;color:var(--c-main);font-variant-numeric:tabular-nums;
  opacity:.75;line-height:1.4;
}
.guide-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.guide-item p{font-size:14px;line-height:1.8;color:var(--ink-2)}
.guide-aside{display:grid;gap:16px}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-card);
}
.aside-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.aside-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ===== FAQ ===== */
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
.faq-support{
  margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-card);
}
.faq-support h3{font-size:16px;font-weight:700;margin-bottom:6px}
.faq-support p{font-size:14px;line-height:1.8;color:var(--ink-2);margin-bottom:16px}
.accordion{--bs-accordion-border-width:0;--bs-accordion-border-radius:0;--bs-accordion-bg:transparent}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--r-md)!important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-card);
}
.accordion-item:has(.accordion-button:not(.collapsed)){background:var(--c-tint);border-color:#D3E1FA!important}
.accordion-header{margin:0}
.accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 22px;background:transparent;border:0;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--c-main-deep);background:transparent}
.accordion-button::after{
  content:"+";display:grid;place-items:center;
  width:28px;height:28px;flex:none;margin-left:auto;
  border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--c-main);font-size:17px;font-weight:700;line-height:1;
  background-image:none!important;transform:none!important;
}
.accordion-button:not(.collapsed)::after{content:"−";background:var(--c-main);border-color:var(--c-main);color:#fff}
.accordion-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ===== CTA 带 ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--c-main-deep),var(--c-main) 62%,var(--c-main-light));
  border-radius:var(--r-xl);
  padding:52px 48px;
  color:#fff;
  box-shadow:0 24px 60px rgba(18,60,158,.22);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  border:28px solid rgba(184,232,90,.16);pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;line-height:1.35;margin-bottom:10px}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#C7D2E5;padding:72px 0 0;margin-top:var(--sec-y)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#8B9AB4}
.footer-desc{font-size:13.5px;line-height:1.9;color:#9DAFC9;max-width:32em}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#C7D2E5}
.footer-links a:hover{color:var(--c-lime)}
.footer-info{display:grid;gap:10px;font-size:14px;color:#9DAFC9}
.footer-info strong{color:#E4EBF7;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;font-size:13px;color:#8B9AB4;
}

/* ===== 抽屉导航 ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,27,42,.38);
  opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:1100;
}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:#fff;border-radius:24px 0 0 24px;
  padding:24px;z-index:1200;overflow-y:auto;
  transform:translateX(106%);transition:transform .28s ease;
  box-shadow:-18px 0 48px rgba(13,27,42,.18);
}
.drawer.is-open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);
}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{display:grid;gap:6px;margin-bottom:20px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--c-tint);color:var(--c-main)}
.drawer .form-control{margin-bottom:10px}
.drawer-foot{font-size:12px;line-height:1.8;color:var(--ink-3);margin-top:14px}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--pad-x:24px;--sec-y:72px}
  .ann-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
  .hero-grid{gap:36px}
}
@media (max-width:991px){
  :root{--sec-y:64px}
  .dock{min-height:60px;border-radius:18px;padding:8px 12px 8px 14px;gap:10px}
  .dock-menu{display:none}
  .dock-toggle{display:grid}
  .dock-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .board-float{left:12px;bottom:-18px}
  .ann-layout{grid-template-columns:1fr;gap:32px}
  .ann-side{position:static;grid-template-columns:1fr 1fr;grid-auto-rows:min-content}
  .ann-side .side-card:first-child{grid-column:1/-1}
  .guide-grid,.faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 32px}
}
@media (max-width:767px){
  :root{--pad-x:16px;--sec-y:52px}
  .site-header{top:10px;padding:0 12px}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:10px;letter-spacing:.12em}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .dock-actions .btn-sm{display:none}
  .page-hero{padding:44px 0 48px}
  .lead{font-size:15.5px}
  .stat-row{gap:10px;margin-top:24px}
  .stat{flex:1 1 100%;min-width:0}
  .board-float{position:static;width:100%;margin-top:14px;left:auto;bottom:auto}
  .filter-bar{padding:12px 14px}
  .chip{height:36px;padding:0 14px;font-size:13.5px}
  .timeline::before{display:none}
  .tl-item{grid-template-columns:1fr;row-gap:10px;padding-bottom:20px}
  .tl-date{text-align:left;padding-top:0;display:flex;align-items:baseline;gap:8px}
  .tl-date .d-day{font-size:15px}
  .tl-date .d-label{font-size:12px}
  .tl-date::after{display:none}
  .tl-card{padding:18px}
  .tl-card h3{font-size:17px}
  .ann-side{grid-template-columns:1fr}
  .cta-band{padding:32px 22px;border-radius:var(--r-lg)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .guide-item{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .guide-num{font-size:18px}
}
@media (max-width:575px){
  h1{font-size:clamp(26px,7.4vw,34px)}
  .sec-head h2{font-size:24px}
  .hero-actions .btn{width:100%}
  .tl-foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --brand:#1B52D8;
  --brand-dark:#123C9E;
  --brand-light:#2F6BFF;
  --brand-soft:#EEF4FF;
  --lime:#B8E85A;
  --lime-ink:#1B2A08;
  --orange:#FF8A4C;
  --ink:#0D1B2A;
  --text:#33425B;
  --muted:#66758C;
  --bg:#F6F9FE;
  --card:#FFFFFF;
  --line:#E2EAF6;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --shadow-sm:0 8px 24px rgba(18,60,158,.06);
  --shadow-md:0 18px 48px rgba(18,60,158,.12);
  --shadow-dock:0 12px 40px rgba(18,60,158,.12);
  --space:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-decoration-offset .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:.01em;margin:0}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- header / dock ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:1040;pointer-events:none}
.dock{
  pointer-events:auto;
  width:min(1180px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-dock);
  padding:10px 14px 10px 16px;
  min-height:66px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand:hover{color:inherit}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand-light),var(--brand-dark));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(27,82,216,.28);
  flex-shrink:0;
}
.brand-mark svg{width:23px;height:23px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.14em;margin-top:2px}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.nav-link.active{background:var(--brand-soft);color:var(--brand)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.search-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.search-btn svg{width:19px;height:19px}
.search-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#CBDBF7}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.dock-toggle svg{width:20px;height:20px}

.btn{
  --bs-btn-focus-shadow-rgb:27,82,216;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:var(--brand);border-color:var(--brand);color:#fff;
  box-shadow:0 10px 24px rgba(27,82,216,.22);
}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,60,158,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--brand-soft);border-color:#CBDBF7;color:var(--brand-dark);transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:var(--lime-ink);border-color:var(--lime)}
.btn-lime:hover{background:#A9DC45;color:var(--lime-ink);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--brand);border-color:#fff}
.btn-white:hover{background:#EEF4FF;color:var(--brand-dark);transform:translateY(-1px)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,27,42,.34);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:1050;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:12px;right:12px;bottom:12px;width:min(340px,calc(100% - 24px));
  background:#fff;border-radius:24px;box-shadow:var(--shadow-md);
  padding:24px 22px;z-index:1060;transform:translateX(calc(100% + 24px));
  transition:transform .26s ease;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:14px;font-weight:600;color:var(--text)}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-soft);color:var(--brand)}
.drawer-search{display:flex;gap:8px}
.drawer-search input{flex:1;height:46px;border-radius:14px;border:1px solid var(--line);padding:0 14px;font-size:14px;color:var(--ink)}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(27,82,216,.12)}

/* ---------- main ---------- */
main{padding-top:116px}

/* page head */
.page-head{padding:36px 0 8px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C6DA}
.head-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime)}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.22;margin-bottom:16px}
h1 .accent{color:var(--brand)}
.lead{font-size:16px;color:var(--text);max-width:36em}
.head-tools{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.search-field{
  display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:0 8px 0 16px;height:52px;flex:1 1 320px;min-width:0;
  box-shadow:var(--shadow-sm);
}
.search-field svg{width:18px;height:18px;color:var(--muted);flex-shrink:0}
.search-field input{border:0;background:transparent;height:100%;flex:1;font-size:15px;color:var(--ink);min-width:0}
.search-field input:focus{outline:none}
.search-field button{
  height:38px;padding:0 18px;border-radius:10px;border:0;background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:background .2s ease;
}
.search-field button:hover{background:var(--brand-dark)}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;align-items:center}
.hot-tags span{font-size:13px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text);
  font-size:13px;font-weight:600;transition:all .2s ease;
}
.tag:hover{background:var(--brand-soft);border-color:#CBDBF7;color:var(--brand)}
.head-visual{position:relative}
.head-visual img{border-radius:var(--r-xl);box-shadow:var(--shadow-md);aspect-ratio:4/3;object-fit:cover;width:100%}
.float-card{
  position:absolute;left:-14px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-md);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.float-card .num{font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1}
.float-card .lbl{font-size:12px;color:var(--muted);line-height:1.4}
.badge-lime{background:var(--lime);color:var(--lime-ink)}

/* section base */
.section{padding:var(--space) 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.3}
.section-head .sub{color:var(--muted);font-size:15px;max-width:40em;margin-top:10px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand)}
.text-link svg{width:16px;height:16px;transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px 30px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CBDBF7}
.step:nth-child(2){margin-top:36px}
.step:nth-child(3){margin-top:72px}
.step-num{
  font-size:44px;font-weight:800;line-height:1;color:var(--brand-soft);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:14px;
}
.step h3{font-size:20px;margin-bottom:10px}
.step p{font-size:14.5px;line-height:1.85;color:var(--text);margin:0 0 16px}
.step .tag-row{display:flex;flex-wrap:wrap;gap:8px}
.dot-tag{font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 11px}

/* bento */
.bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.g-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.g-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CBDBF7}
.g-card.lg{grid-column:span 2;padding:0;overflow:hidden}
.g-card.lg img{aspect-ratio:16/9;width:100%;object-fit:cover;transition:transform .3s ease}
.g-card.lg:hover img{transform:scale(1.03)}
.g-card.lg .g-body{padding:24px 26px 26px}
.g-card.sm{grid-column:span 1}
.g-cover{width:56px;height:56px;border-radius:14px;overflow:hidden;margin-bottom:16px;flex-shrink:0}
.g-cover img{width:100%;height:100%;object-fit:cover}
.g-idx{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:8px}
.g-card h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.g-card.lg h3{font-size:22px}
.g-card p{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 16px}
.g-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.g-link svg{width:15px;height:15px;transition:transform .2s ease}
.g-card:hover .g-link svg{transform:translateX(3px)}

/* checklist */
.check-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:36px;box-shadow:var(--shadow-sm)}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 32px}
.check-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.check-item:last-child,.check-item:nth-last-child(2){border-bottom:0}
.check-ico{
  width:30px;height:30px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.check-ico svg{width:16px;height:16px}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}

/* faq */
.faq-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.4fr);gap:48px;align-items:start}
.faq-side h2{font-size:clamp(26px,3vw,34px);line-height:1.32;margin-bottom:14px}
.faq-side p{color:var(--muted);font-size:15px}
.support-card{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm)}
.support-card .row-line{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line)}
.support-card .row-line:last-of-type{border-bottom:0}
.support-card .row-line b{color:var(--ink);font-weight:700}
.support-card .btn{width:100%;margin-top:16px}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-button{
  background:transparent;color:var(--ink);font-size:16px;font-weight:600;
  padding:18px 44px 18px 18px;box-shadow:none;border-radius:var(--r-md);
  display:flex;align-items:center;min-height:56px;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark)}
.faq-acc .accordion-button::after,.faq-acc .accordion-button::before{display:none}
.faq-acc .accordion-button .plus{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;line-height:1;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed) .plus{background:var(--brand);color:#fff;transform:translateY(-50%) rotate(45deg)}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-body{padding:2px 18px 20px;font-size:15px;line-height:1.85;color:var(--text)}

/* cta band */
.cta-band{
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 100%);
  border-radius:var(--r-xl);padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,232,90,.22),transparent 70%);
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;line-height:1.32}
.cta-band p{color:#D8E3FB;font-size:15px;max-width:34em;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1}
.cta-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}

/* footer */
.site-footer{background:var(--ink);color:#C7D2E5;padding:72px 0 28px;margin-top:var(--space)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#8FA2C0}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB0CB;max-width:32em}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#C7D2E5}
.footer-links a:hover{color:var(--lime)}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9FB0CB}
.footer-info strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8A9CB8;
}

/* responsive */
@media (max-width:1199px){
  .container-x{max-width:1160px}
  .head-grid{gap:32px}
  .check-grid{grid-template-columns:1fr}
  .check-item:nth-last-child(2){border-bottom:1px dashed var(--line)}
}
@media (max-width:991px){
  :root{--space:72px}
  .container-x{padding:0 24px}
  .dock-menu{display:none}
  .dock-toggle{display:inline-flex}
  .dock{min-height:60px;border-radius:18px;padding:8px 12px}
  main{padding-top:96px}
  .head-grid{grid-template-columns:1fr;gap:36px}
  .head-visual{order:-1}
  .head-visual img{aspect-ratio:16/9}
  .float-card{left:12px;bottom:-16px}
  .steps{grid-template-columns:1fr}
  .step:nth-child(2),.step:nth-child(3){margin-top:0}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-card.lg{grid-column:span 2}
  .g-card.sm{grid-column:span 1}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--space:52px}
  .container-x{padding:0 16px}
  .search-btn{display:none}
  .dock-actions .btn-sm{padding:0 14px;font-size:13px}
  .section-head{margin-bottom:32px}
  .check-wrap{padding:24px 20px}
  .cta-band{padding:32px 22px;border-radius:var(--r-lg)}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
  .step{padding:24px 20px}
}
@media (max-width:575px){
  .bento{grid-template-columns:1fr}
  .g-card.lg,.g-card.sm{grid-column:span 1}
  .head-tools{flex-direction:column;align-items:stretch}
  .search-field{width:100%}
  .search-field button{width:auto}
  .float-card{padding:12px 14px}
  .float-card .num{font-size:20px}
  .footer-grid{grid-template-columns:1fr}
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:10px;letter-spacing:.1em}
}

/* roulang page: category3 */
:root{
  --primary:#1B52D8;
  --primary-dark:#123C9E;
  --primary-light:#2F6BFF;
  --primary-soft:#EEF4FF;
  --lime:#B8E85A;
  --lime-ink:#1B2A08;
  --orange:#FF8A4C;
  --ink:#0D1B2A;
  --ink-2:#33425B;
  --ink-3:#66758C;
  --bg:#F6F9FE;
  --card:#FFFFFF;
  --surface:#EEF4FF;
  --line:#E2EAF6;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(18,60,158,.06);
  --sh-2:0 18px 48px rgba(18,60,158,.12);
  --dock-sh:0 12px 40px rgba(18,60,158,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
@media (max-width:1399px){.container-x{max-width:1160px;}}
@media (max-width:1199px){.container-x{max-width:960px;}}
@media (max-width:991px){.container-x{max-width:100%;padding:0 24px;}}
@media (max-width:767px){.container-x{padding:0 16px;}}

/* ---------- 顶部浮动 Dock ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:1040;padding:0 16px;}
.dock{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--dock-sh);
  padding:10px 14px;min-height:64px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand:hover{color:inherit;}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-sm);
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 6px 16px rgba(27,82,216,.24);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.16em;}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  font-size:15px;color:var(--ink-2);font-weight:500;
  padding:9px 15px;border-radius:var(--r-pill);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px);}
.nav-link.active{background:var(--primary-soft);color:var(--primary);font-weight:700;}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:12px;}
.search-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.search-btn svg{width:18px;height:18px;}
.search-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;cursor:pointer;
}
.dock-toggle svg{width:20px;height:20px;}

/* 按钮 */
.btn{
  border-radius:var(--r-pill);
  font-weight:600;font-size:15px;
  height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 24px;border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--primary);border-color:var(--primary);color:#fff;
  box-shadow:0 10px 22px rgba(27,82,216,.22);
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;
  transform:translateY(-1px);box-shadow:0 14px 28px rgba(18,60,158,.26);
}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--primary);color:var(--primary);background:#fff;transform:translateY(-1px);}
.btn-lime{background:var(--lime);border-color:var(--lime);color:var(--lime-ink);box-shadow:0 10px 22px rgba(184,232,90,.3);}
.btn-lime:hover,.btn-lime:focus{background:#a9dc45;border-color:#a9dc45;color:var(--lime-ink);transform:translateY(-1px);}
.btn-sm{height:40px;font-size:14px;padding:0 18px;}

/* 徽章 */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:700;padding:5px 12px;line-height:1.5;
}
.badge-live{background:var(--lime);color:var(--lime-ink);}
.badge-soon{background:#FFF1E7;color:#C0561A;}
.badge-end{background:#EEF1F6;color:var(--ink-3);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}

/* 主内容 */
.page-main{padding-top:104px;}
@media (max-width:991px){.page-main{padding-top:92px;}}

.section{padding:52px 0;}
.section-head{margin-bottom:30px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:.08em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--lime);}
.section-title{font-size:clamp(26px,3vw,36px);line-height:1.35;}
.section-sub{margin-top:10px;font-size:15.5px;color:var(--ink-2);max-width:640px;}

/* Hero */
.hero-wrap{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(120deg,#EEF4FF 0%,#F7FAFF 55%,#FFFFFF 100%);
}
.hero-wrap::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(27,82,216,.09) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center;
  padding:54px 48px;
}
.hero-title{font-size:clamp(30px,4.4vw,46px);line-height:1.25;margin:16px 0 14px;}
.hero-title span{color:var(--primary);}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:30em;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px 14px;font-weight:600;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid #fff;
  box-shadow:0 20px 46px rgba(18,60,158,.16);
}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:14px 18px;display:flex;flex-direction:column;gap:2px;
  min-width:176px;
}
.hero-float strong{font-size:22px;font-variant-numeric:tabular-nums;color:var(--primary);line-height:1.2;}
.hero-float em{font-style:normal;font-size:12.5px;color:var(--ink-3);}
.hero-status{
  position:absolute;top:14px;right:14px;
  background:#fff;border-radius:var(--r-pill);padding:6px 14px;
  font-size:12.5px;font-weight:700;color:var(--lime-ink);background:var(--lime);
  box-shadow:0 8px 18px rgba(27,82,216,.16);
}
@media (max-width:991px){
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:36px 26px;}
  .hero-visual{order:2;}
  .hero-float{left:8px;bottom:8px;padding:10px 14px;min-width:140px;}
  .hero-float strong{font-size:18px;}
}
@media (max-width:575px){
  .hero-inner{padding:28px 18px;}
  .hero-lead{font-size:15.5px;}
}

/* 筛选 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.filter-pill{
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  border-radius:var(--r-pill);height:44px;padding:0 22px;
  font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
  cursor:pointer;transition:all .2s ease;
}
.filter-pill:hover{border-color:var(--primary);color:var(--primary);}
.filter-pill.active{
  background:var(--primary);border-color:var(--primary);color:#fff;
  box-shadow:0 10px 22px rgba(27,82,216,.22);
}
.filter-pill .count{
  font-size:12px;background:rgba(27,82,216,.1);color:var(--primary);
  border-radius:var(--r-pill);padding:1px 8px;font-variant-numeric:tabular-nums;
}
.filter-pill.active .count{background:rgba(255,255,255,.22);color:#fff;}

/* 活动卡片 */
.event-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.event-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DAFB;}
.event-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,#E8F0FF,#F7FAFF);
}
.event-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.event-card:hover .event-media img{transform:scale(1.03);}
.event-media .badge-soft{position:absolute;top:12px;left:12px;box-shadow:0 6px 16px rgba(18,60,158,.14);}
.event-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.event-body h3{font-size:18px;line-height:1.5;}
.event-card--lg .event-body h3{font-size:22px;}
.event-desc{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.event-meta{
  display:flex;flex-wrap:wrap;gap:6px 16px;
  font-size:12.5px;color:var(--ink-3);margin-top:auto;padding-top:8px;
}
.event-meta span{display:inline-flex;align-items:center;gap:5px;}
.event-links{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-arrow svg{width:15px;height:15px;transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(3px);}
.text-link{font-size:13.5px;color:var(--ink-3);font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.text-link:hover{color:var(--primary);}

/* 活动日历 */
.calendar{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.calendar-head{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 24px;background:var(--surface);border-bottom:1px solid var(--line);
}
.calendar-head h3{font-size:18px;}
.calendar-head span{font-size:13px;color:var(--ink-3);}
.cal-row{
  display:grid;grid-template-columns:104px 1fr 118px 110px;gap:18px;align-items:center;
  padding:17px 24px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.cal-row:last-child{border-bottom:0;}
.cal-row:hover{background:#F8FBFF;}
.cal-date{
  font-weight:800;color:var(--primary);font-size:15px;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.cal-name{font-size:15px;font-weight:600;color:var(--ink);}
.cal-note{font-size:13px;color:var(--ink-3);}
.cal-actions{text-align:right;}
@media (max-width:767px){
  .cal-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .cal-actions{text-align:left;margin-top:4px;}
}

/* 参与步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9DAFB;}
.step-num{
  font-size:30px;font-weight:800;color:#C9DAFB;line-height:1;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8;}
@media (max-width:991px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.steps{grid-template-columns:1fr;}}

/* FAQ */
.faq-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);}
.faq-panel h3{font-size:19px;margin-bottom:10px;}
.faq-panel p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md)!important;
  overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:18px 22px;box-shadow:none!important;line-height:1.6;
}
.accordion-button:not(.collapsed){background:var(--primary-soft);color:var(--primary-dark);}
.accordion-button::after{
  width:26px;height:26px;border-radius:var(--r-pill);
  background-color:var(--primary-soft);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231B52D8' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:13px 13px;background-position:center;background-repeat:no-repeat;
  transition:transform .22s ease,background-color .22s ease;
}
.accordion-button:not(.collapsed)::after{
  background-color:#fff;transform:rotate(45deg);
}
.accordion-body{
  padding:4px 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;background:#fff;
}
.accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{background:var(--primary-soft);}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-dark) 100%);
  border-radius:var(--r-xl);padding:46px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;
  border-radius:50%;background:rgba(184,232,90,.16);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);line-height:1.35;}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:44em;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.cta-actions .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff;color:#fff;}
@media (max-width:767px){.cta-band{padding:32px 24px;}}

/* 咨询卡 */
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
}
.contact-card h3{font-size:19px;margin-bottom:10px;}
.contact-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.contact-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.contact-list li{
  display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--ink-2);
  background:var(--surface);border-radius:var(--r-sm);padding:12px 16px;
}
.contact-list li strong{color:var(--primary);font-weight:700;}

/* 页脚 */
.site-footer{background:var(--ink);color:#C7D2E5;margin-top:70px;padding:62px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;}
.footer-brand .brand-text strong{color:#fff;font-size:16px;}
.footer-brand .brand-text em{color:#8A9AB5;}
.footer-desc{font-size:14px;line-height:1.85;color:#9BAAC2;max-width:30em;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:#C7D2E5;font-size:14px;transition:color .2s ease;}
.footer-links a:hover{color:var(--lime);}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:14px;color:#9BAAC2;}
.footer-info strong{color:#E4ECF8;font-weight:600;}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8395B0;
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,27,42,.35);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:12px;right:12px;bottom:12px;width:min(320px,86vw);
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-2);
  padding:20px;z-index:1060;display:flex;flex-direction:column;gap:8px;
  transform:translateX(calc(100% + 24px));transition:transform .28s ease;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.nav-drawer .drawer-title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px;
}
.drawer-close{
  width:34px;height:34px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:grid;place-items:center;cursor:pointer;
}
.drawer-close svg{width:16px;height:16px;}
.drawer-link{
  display:block;padding:13px 16px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink-2);background:#F8FBFF;
}
.drawer-link.active{background:var(--primary-soft);color:var(--primary);}
.drawer-link:hover{color:var(--primary);background:var(--primary-soft);}
.drawer-search{display:flex;gap:8px;margin-top:6px;}
.drawer-search input{
  flex:1;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:0 14px;font-size:14px;color:var(--ink);background:#fff;
}
.drawer-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(27,82,216,.12);}
.drawer-foot{margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.8;}

@media (max-width:991px){
  .dock-menu{display:none;}
  .dock-toggle{display:grid;}
  .dock{padding:8px 12px;min-height:60px;border-radius:18px;gap:10px;}
  .dock-actions{margin-left:auto;gap:8px;}
  .dock-actions .btn-sm{height:38px;padding:0 14px;font-size:13.5px;}
  .search-btn{display:none;}
}
@media (max-width:575px){
  .brand-text strong{font-size:15px;}
  .brand-text em{font-size:10px;letter-spacing:.1em;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
}