/* roulang page: index */
:root{
  --c-600:#14536E;
  --c-500:#1D7EA6;
  --c-100:#E4EFF5;
  --a-500:#F0913A;
  --a-700:#D9761F;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --soft:#EDF3F7;
  --t-1:#17242E;
  --t-2:#55697A;
  --t-3:#8497A6;
  --line:#DFE8EF;
  --line-2:#EAF1F6;
  --ok:#2F9E6B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 6px 20px rgba(20,83,110,.07);
  --sh-2:0 12px 30px rgba(20,83,110,.12);
  --sh-a:0 10px 28px rgba(240,145,58,.18);
  --focus:0 0 0 3px rgba(29,126,166,.35);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--t-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--c-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-500)}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  padding:14px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--a-500);color:#fff;box-shadow:0 6px 16px rgba(240,145,58,.22)}
.btn-primary:hover{background:var(--a-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-a)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:#fff;color:var(--c-600);border-color:var(--c-500)}
.btn-secondary:hover{background:var(--c-100);color:var(--c-600)}
.btn-secondary:active{transform:translateY(0)}
.btn-dark{background:var(--c-600);color:#fff}
.btn-dark:hover{background:#0F4459;color:#fff;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{background:#C7D3DC;color:#fff;box-shadow:none;cursor:not-allowed;transform:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-600);padding:2px 0}
.btn-text:hover{color:var(--c-500);text-decoration:underline;text-underline-offset:4px}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;font-size:13px;font-weight:500;line-height:1.4;padding:4px 10px;border-radius:999px;background:var(--c-100);color:var(--c-600)}
.badge-soft{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;padding:5px 11px;border-radius:999px;background:var(--c-100);color:var(--c-600)}
.badge-lock{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:#FDF0E2;color:#B4611A}
.badge-live{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;background:#fff;color:var(--ok);border:1px solid rgba(47,158,107,.3)}
.badge-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid #E7EEF3;
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,83,110,.08)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;width:34px;height:34px;border-radius:11px;background:var(--c-600);flex:0 0 auto}
.brand-mark::before{content:"";position:absolute;inset:9px;border:2px solid #fff;border-radius:50%}
.brand-mark::after{content:"";position:absolute;top:-3px;right:-3px;width:9px;height:9px;border-radius:50%;background:var(--a-500);box-shadow:0 0 0 2px #fff}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.2px;color:var(--t-1);line-height:1}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--t-2);padding:6px 0}
.nav-links a:hover{color:var(--c-500)}
.nav-links a.is-active{color:var(--c-600);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-4px;width:18px;height:2px;border-radius:2px;background:var(--c-600)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.countdown{
  display:inline-flex;align-items:center;gap:4px;
  font-size:13px;font-weight:500;padding:7px 13px;border-radius:999px;
  background:#FDF0E2;color:#B4611A;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.countdown b{font-weight:700;color:#8C4A12;letter-spacing:.2px}
.nav-cta{padding:11px 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-600);transition:transform .2s ease}
.nav-toggle:hover{background:var(--c-100);border-color:var(--c-500)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;pointer-events:none}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(23,36,46,.45);opacity:0;transition:opacity .25s ease}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(82vw,340px);
  background:#fff;padding:22px 22px 32px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line-2)}
.drawer-close{width:36px;height:36px;border-radius:10px;background:var(--soft);color:var(--c-600);font-size:20px;line-height:1;display:grid;place-items:center}
.drawer-close:hover{background:var(--c-100)}
.drawer-links{margin:8px 0 18px}
.drawer-links a{display:flex;align-items:center;height:48px;font-size:15px;font-weight:500;color:var(--t-1);border-bottom:1px solid var(--line-2)}
.drawer-links a.is-active{color:var(--c-600);font-weight:600}
.drawer-panel .countdown{align-self:flex-start;margin-bottom:16px}
.drawer-cta{width:100%}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 80px;background:#fff}
.hero::before{content:"";position:absolute;left:-140px;bottom:-200px;width:420px;height:420px;border-radius:50%;background:rgba(29,126,166,.05)}
.hero::after{content:"";position:absolute;left:-180px;bottom:-250px;width:560px;height:560px;border-radius:50%;border:1px solid rgba(29,126,166,.14)}
.hero > .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  color:var(--c-600);font-size:13px;font-weight:500;padding:6px 14px;border-radius:999px;box-shadow:var(--sh-1);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--a-500)}
.hero h1{
  margin-top:20px;font-size:clamp(30px,4.2vw,46px);line-height:1.25;
  font-weight:700;letter-spacing:-.5px;color:var(--t-1);
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--t-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.trust-item{padding-right:30px;margin-right:30px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0;margin-right:0;padding-right:0}
.trust-num{font-size:30px;font-weight:700;line-height:1.1;color:var(--c-600);font-variant-numeric:tabular-nums}
.trust-num small{font-size:15px;font-weight:600;margin-left:2px}
.trust-label{font-size:13.5px;color:var(--t-2);margin-top:6px}
.hero-media{position:relative}
.hero-figure{
  position:relative;margin:0;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);
  aspect-ratio:4/3;background:linear-gradient(135deg,var(--c-100),#F7FBFD);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.fig-badge{
  position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--c-600);font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:999px;box-shadow:0 6px 18px rgba(20,83,110,.16);
}
.fig-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--a-500)}
.hero-note{
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
  margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;font-size:14px;color:var(--t-2);box-shadow:var(--sh-1);
}
.hero-note strong{color:var(--c-600);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.soft{background:var(--soft)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.3px;color:var(--t-1)}
.section-head p{margin-top:12px;font-size:16px;line-height:1.8;color:var(--t-2)}
.section-head--flush{margin-bottom:0}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head-row .section-head{flex:1}

/* ---------- 对比表 ---------- */
.table-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.plans-table{min-width:760px;width:100%}
.plans-table th,.plans-table td{
  padding:0 20px;height:56px;text-align:center;font-size:14.5px;
  color:var(--t-2);border-bottom:1px solid var(--line-2);font-variant-numeric:tabular-nums;
}
.plans-table thead th{
  height:auto;padding:22px 20px;background:#F7FAFC;vertical-align:top;
  border-bottom:1px solid var(--line);position:relative;color:var(--t-1);
}
.col-name{font-size:16px;font-weight:700;color:var(--t-1);line-height:1.4}
.col-desc{font-size:13px;font-weight:400;color:var(--t-3);margin-top:4px}
.plans-table tbody tr{--row-bg:#fff;background:var(--row-bg);transition:background-color .2s ease}
.plans-table tbody tr:nth-child(even){--row-bg:#F7FAFC}
.plans-table tbody tr:hover{--row-bg:var(--c-100)}
.plans-table .row-label{
  text-align:left;font-weight:500;color:var(--t-1);font-size:14.5px;
  position:sticky;left:0;z-index:2;background:var(--row-bg);
  border-right:1px solid var(--line-2);min-width:180px;
}
.plans-table thead .row-label{background:#F7FAFC;z-index:3}
.plans-table .col-reco{background:var(--c-100)}
.plans-table thead .col-reco{border-top:2px solid var(--c-600);background:var(--c-100)}
.plans-table tbody tr:hover .col-reco{background:#D7E8F1}
.reco-flag{
  position:absolute;top:12px;right:12px;background:var(--a-500);color:#fff;
  font-size:12px;font-weight:600;line-height:1.4;padding:3px 10px;border-radius:999px;box-shadow:var(--sh-a);
}
.mark-yes{display:inline-flex;align-items:center;gap:6px;color:var(--c-600);font-weight:600}
.mark-yes::before{content:"✓";color:var(--c-500);font-weight:700}
.mark-no{color:var(--t-3)}
.table-hint{display:none;margin-top:12px;text-align:center;font-size:13px;color:var(--t-3)}
.table-foot{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:24px}
.table-foot p{font-size:14px;line-height:1.8;color:var(--t-2);max-width:720px}

/* ---------- 等级亮点 ---------- */
.grade-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:24px;align-items:stretch}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.grade-main{overflow:hidden;display:flex;flex-direction:column}
.grade-media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-100),#F4FAFD)}
.grade-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.grade-main:hover .grade-media img{transform:scale(1.03)}
.grade-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.grade-body h3{margin-top:12px;font-size:21px;line-height:1.5;font-weight:600;color:var(--t-1)}
.grade-list{margin-top:16px;display:grid;gap:10px}
.grade-list li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.75;color:var(--t-2)}
.grade-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--c-100);border:1.5px solid var(--c-500);
}
.grade-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:auto;padding-top:24px}
.grade-side{display:grid;gap:24px;grid-template-rows:1fr 1fr}
.grade-mini{padding:24px 26px;display:flex;flex-direction:column}
.mini-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:11px;background:var(--c-100);color:var(--c-600);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.grade-mini h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--t-1)}
.grade-mini p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--t-2)}
.grade-mini .btn-text{margin-top:auto;padding-top:16px}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}
.preview-main{display:grid;gap:20px}
.preview-card{display:grid;grid-template-columns:200px 1fr;overflow:hidden;color:inherit}
.preview-thumb{aspect-ratio:16/9;height:100%;overflow:hidden;background:linear-gradient(135deg,var(--c-100),#F4FAFD)}
.preview-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.preview-card:hover .preview-thumb img{transform:scale(1.04)}
.preview-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;justify-content:center}
.preview-body h3{font-size:17px;line-height:1.55;font-weight:600;color:var(--t-1);transition:color .2s ease}
.preview-card:hover .preview-body h3{color:var(--c-500)}
.preview-meta{font-size:13px;color:var(--t-3)}
.lock-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:8px 22px}
.lock-list li + li{border-top:1px solid var(--line-2)}
.lock-list a{display:flex;align-items:center;gap:12px;padding:16px 0;color:inherit}
.lock-list a:hover .lock-title{color:var(--c-500)}
.lock-title{flex:1;font-size:14.5px;line-height:1.5;font-weight:500;color:var(--t-1);transition:color .2s ease}
.lock-date{font-size:13px;color:var(--t-3);font-variant-numeric:tabular-nums;flex:0 0 auto}

/* ---------- 最新信息卡片 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{overflow:hidden}
.post-link{display:block;color:inherit;height:100%}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-100),#F4FAFD);position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;height:calc(100% - 0px)}
.post-title{
  margin-top:10px;font-size:18px;line-height:1.5;font-weight:600;color:var(--t-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.post-card:hover .post-title{color:var(--c-500)}
.post-exc{
  margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--t-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--t-3);font-variant-numeric:tabular-nums;
}
.post-meta .link-more{font-weight:600;color:var(--c-600)}
.post-card:hover .post-meta .link-more{color:var(--c-500)}

/* ---------- 空态 ---------- */
.empty-state{
  grid-column:1 / -1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;
}
.empty-icon{
  width:54px;height:54px;margin:0 auto 16px;border-radius:50%;
  border:2px solid var(--c-100);display:grid;place-items:center;color:var(--c-500);font-size:20px;font-weight:700;
}
.empty-state p{font-size:14px;color:var(--t-2)}
.empty-state .btn{margin-top:18px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-intro h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.3px}
.faq-intro p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--t-2)}
.faq-intro .btn{margin-top:24px}
.faq-list{display:grid;gap:12px}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.acc-item:hover{border-color:var(--c-100);box-shadow:var(--sh-1)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--t-1);
  transition:color .2s ease;
}
.acc-btn:hover{color:var(--c-600)}
.acc-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-100);color:var(--c-600);
  display:grid;place-items:center;font-size:16px;line-height:1;font-weight:600;
  transition:background-color .2s ease,color .2s ease,transform .25s ease;
}
.acc-item.is-open .acc-icon{background:var(--c-600);color:#fff;transform:rotate(180deg)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .25s ease}
.acc-panel-inner{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t-2)}

/* ---------- CTA ---------- */
.cta-section{background:#fff;padding:0 0 88px}
.cta-band{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-copy h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;font-weight:700;letter-spacing:-.3px}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--t-2);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-links{display:flex;flex-wrap:wrap;gap:28px;margin-top:22px;padding-left:4px}
.cta-links a{font-size:14px;color:var(--t-2);font-weight:500}
.cta-links a:hover{color:var(--c-500);text-decoration:underline;text-underline-offset:4px}

/* ---------- 页脚 ---------- */
.site-footer{background:#14536E;color:rgba(255,255,255,.72);padding-top:64px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-mark{background:rgba(255,255,255,.16)}
.site-footer .brand-mark::after{box-shadow:0 0 0 2px #14536E}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:330px;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.2px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.contact-list li{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  .nav-links{gap:20px}
  .nav-links a{font-size:14.5px}
  .countdown{display:none}
  .hero-grid{gap:36px}
  .preview-card{grid-template-columns:170px 1fr}
  .footer-grid{gap:32px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-badge{display:none}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .hero-figure{aspect-ratio:16/10}
  .section{padding:64px 0}
  .grade-grid{grid-template-columns:1fr}
  .grade-side{grid-template-rows:auto;grid-template-columns:1fr 1fr}
  .preview-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:36px 32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-inner{height:64px;gap:12px}
  .brand-name{font-size:17px}
  .nav-cta{padding:10px 16px;font-size:13.5px}
  .hero{padding:40px 0 52px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .trust-item{padding-right:20px;margin-right:20px;margin-bottom:16px}
  .trust-num{font-size:24px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-head p{font-size:15px}
  .table-hint{display:block}
  .table-foot{flex-direction:column;align-items:flex-start}
  .table-foot .btn{width:100%}
  .grade-side{grid-template-columns:1fr}
  .preview-card{grid-template-columns:1fr}
  .preview-thumb{aspect-ratio:16/9}
  .post-grid{grid-template-columns:1fr}
  .lock-list{padding:6px 18px}
  .lock-list a{gap:10px}
  .lock-title{font-size:14px}
  .cta-section{padding-bottom:56px}
  .cta-band{padding:30px 22px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .cta-links{gap:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  .brand-mark{width:30px;height:30px}
  .brand-mark::before{inset:8px}
  .brand-name{font-size:16px}
  .hero h1{letter-spacing:-.2px}
  .btn{padding:13px 18px;font-size:14px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .trust-num{font-size:22px}
  .trust-label{font-size:12.5px}
  .post-body{padding:16px 16px 18px}
  .post-title{font-size:17px}
  .acc-btn{font-size:15px;padding:16px}
  .acc-panel-inner{padding:0 16px 16px;font-size:14.5px}
  .grade-body{padding:22px 20px 24px}
  .grade-mini{padding:20px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand-600:#14536E;
  --brand-500:#1D7EA6;
  --brand-100:#E4EFF5;
  --accent-500:#F0913A;
  --accent-700:#D9761F;
  --accent-100:#FDF0E2;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --surface-soft:#EDF3F7;
  --text:#17242E;
  --text-soft:#55697A;
  --text-mute:#8497A6;
  --line:#DFE8EF;
  --line-soft:#EAF1F6;
  --success:#2F9E6B;
  --closed:#7C8C99;
  --focus-ring:0 0 0 3px rgba(29,126,166,.35);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 6px 20px rgba(20,83,110,.07);
  --sh-hover:0 12px 30px rgba(20,83,110,.12);
  --sh-accent:0 10px 28px rgba(240,145,58,.18);
  --sec-pad:88px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-pad) 0;}
.section--soft{background:var(--surface-soft);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head .eyebrow{
  display:block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--brand-500);
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.3px;
}
.section-desc{
  margin-top:12px;
  font-size:15px;
  color:var(--text-soft);
  max-width:640px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-600);
  white-space:nowrap;
}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover::after{transform:translateX(3px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  text-align:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{
  background:var(--accent-500);
  color:#fff;
  box-shadow:var(--sh-accent);
}
.btn-primary:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,118,31,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-solid{
  background:var(--brand-600);
  color:#fff;
}
.btn-solid:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);}
.btn-solid:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--brand-600);
  border-color:var(--brand-500);
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-600);}
.btn-ghost:active{background:#D6E7F0;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{
  background:#C7D3DC;
  color:#fff;
  border-color:#C7D3DC;
  box-shadow:none;
  cursor:not-allowed;
  transform:none;
}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:1.5;
}
.badge-cat{background:var(--brand-100);color:var(--brand-600);}
.badge-live{background:rgba(47,158,107,.12);color:var(--success);}
.badge-soon{background:var(--accent-100);color:var(--accent-700);}
.badge-closed{background:#EFF3F6;color:var(--closed);}
.badge-member{background:var(--accent-100);color:var(--accent-700);}
.badge-member::before{content:"◆";font-size:10px;}
.badge-dot::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:currentColor;
  display:inline-block;
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid #E7EEF3;
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(20,83,110,.08);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:70px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--brand-600);
  letter-spacing:-.2px;
  flex-shrink:0;
}
.brand:hover{color:var(--brand-500);}
.brand-mark{
  position:relative;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  overflow:hidden;
  flex-shrink:0;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:8px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:50%;
  border-right-color:transparent;
  transform:rotate(-28deg);
}
.brand-mark::after{
  content:"";
  position:absolute;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent-500);
  right:8px;bottom:8px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
  margin-right:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-soft);
  padding:24px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:14px;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transform:translateX(-50%) scaleX(0);
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--brand-600);}
.nav-links a.is-active{color:var(--brand-600);font-weight:600;}
.nav-links a.is-active::after{transform:translateX(-50%) scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.countdown-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--accent-100);
  color:var(--accent-700);
  font-size:13px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.countdown-pill span{color:#A85B12;font-weight:700;}
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:999px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.status-badge::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-500);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--brand-600);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle:hover{background:var(--brand-100);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(23,36,46,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:82vw;
  max-width:360px;
  height:100%;
  background:#fff;
  z-index:90;
  transform:translateX(100%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px 20px 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-soft);
  font-size:20px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
}
.drawer-close:hover{background:var(--brand-100);color:var(--brand-600);}
.drawer-nav{margin:8px 0 0;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  font-size:15px;
  font-weight:500;
  color:var(--text-soft);
  border-bottom:1px solid var(--line-soft);
}
.drawer-nav a.is-active{color:var(--brand-600);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:22px;display:grid;gap:12px;}
.drawer-foot .countdown-pill{justify-content:center;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  background:#fff;
  border-bottom:1px solid var(--line-soft);
}
.breadcrumb-inner{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  padding:14px 0;
  font-size:14px;
  color:var(--text-mute);
}
.breadcrumb-inner a{color:var(--text-soft);}
.breadcrumb-inner a:hover{color:var(--brand-600);}
.breadcrumb-inner .sep{color:#C3D2DC;}
.breadcrumb-inner .current{color:var(--brand-600);font-weight:600;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background-color:var(--brand-600);
  background-image:linear-gradient(105deg,rgba(20,83,110,.90) 0%,rgba(20,83,110,.72) 48%,rgba(20,83,110,.52) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;}
.page-hero .hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  max-width:760px;
}
.page-hero p{
  margin-top:18px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-actions .btn-ghost{
  background:rgba(255,255,255,.08);
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.24);
  padding-top:26px;
}
.hero-stat{
  padding-right:36px;
  margin-right:36px;
  border-right:1px solid rgba(255,255,255,.22);
}
.hero-stat:last-child{border-right:none;margin-right:0;padding-right:0;}
.hero-stat strong{
  display:block;
  font-size:28px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.hero-stat span{font-size:14px;color:rgba(255,255,255,.78);}

/* ---------- 筛选标签行 ---------- */
.filter-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  padding:18px 0;
}
.filter-label{
  font-size:14px;
  color:var(--text-mute);
  margin-right:4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-soft);
  font-size:14px;
  font-weight:600;
  transition:all .2s ease;
  cursor:pointer;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-600);}
.chip.is-active{
  background:var(--brand-600);
  border-color:var(--brand-600);
  color:#fff;
  box-shadow:0 6px 16px rgba(20,83,110,.18);
}
.filter-count{
  margin-left:auto;
  font-size:14px;
  color:var(--text-mute);
  font-variant-numeric:tabular-nums;
}

/* ---------- 赛事卡片 ---------- */
.event-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.event-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.event-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  border-color:#CFE1EC;
}
.event-card:hover .event-title{color:var(--brand-500);}
.event-media{
  position:relative;
  aspect-ratio:16 / 9;
  background:linear-gradient(135deg,#DDEBF3,#EEF5F9);
  overflow:hidden;
}
.event-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.event-card:hover .event-media img{transform:scale(1.03);}
.event-media .badge{
  position:absolute;
  top:12px;
  left:12px;
  backdrop-filter:blur(2px);
  box-shadow:0 2px 8px rgba(20,83,110,.12);
}
.event-media .badge-live{background:rgba(47,158,107,.92);color:#fff;}
.event-media .badge-soon{background:rgba(240,145,58,.95);color:#fff;}
.event-media .badge-closed{background:rgba(124,140,153,.92);color:#fff;}
.event-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:22px 24px 20px;
}
.event-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:12px;
}
.event-title{
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.event-desc{
  margin-top:10px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-soft);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.event-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line-soft);
  margin-top:18px;
  font-size:14px;
  color:var(--text-mute);
  font-variant-numeric:tabular-nums;
}
.event-meta .date{display:inline-flex;align-items:center;gap:6px;}
.event-meta .date::before{
  content:"";
  width:13px;height:13px;
  border:1.5px solid var(--text-mute);
  border-radius:3px;
  display:inline-block;
}
.event-link{
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
  display:inline-flex;
  align-items:center;
  gap:5px;
  white-space:nowrap;
}
.event-link::after{content:"→";transition:transform .2s ease;}
.event-link:hover::after{transform:translateX(3px);}

/* ---------- 参赛流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--gap);
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-card);
}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
}
.step p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-soft);
}

/* ---------- 须知 ---------- */
.notice-layout{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:32px;
  align-items:start;
}
.notice-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:8px 26px;
}
.notice-item{
  display:flex;
  gap:16px;
  padding:22px 0;
  border-bottom:1px solid var(--line-soft);
}
.notice-item:last-child{border-bottom:none;}
.notice-icon{
  flex-shrink:0;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand-100);
  color:var(--brand-600);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.notice-item h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:6px;
}
.notice-item p{font-size:14.5px;color:var(--text-soft);line-height:1.8;}
.aside-card{
  background:linear-gradient(160deg,#F7FBFD 0%,#EDF3F7 100%);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-card);
}
.aside-card h3{
  font-size:20px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:10px;
}
.aside-card > p{
  font-size:14.5px;
  color:var(--text-soft);
  line-height:1.8;
  margin-bottom:18px;
}
.aside-list{margin-bottom:22px;}
.aside-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--text-soft);
  line-height:1.75;
  padding:9px 0;
  border-bottom:1px dashed #D8E5EE;
}
.aside-list li:last-child{border-bottom:none;}
.aside-list li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-500);
  margin-top:9px;
  flex-shrink:0;
}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:48px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.3px;
}
.faq-aside p{
  margin-top:14px;
  font-size:15px;
  color:var(--text-soft);
  line-height:1.85;
}
.faq-aside .btn{margin-top:22px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  box-shadow:0 2px 10px rgba(20,83,110,.04);
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:#BFDCEA;}
.faq-item[open]{border-color:#BFDCEA;}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid #CFE1EC;
  color:var(--brand-600);
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background-color .2s ease,transform .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--brand-100);}
.faq-answer{
  padding:0 20px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-soft);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--surface-soft);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.3px;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-soft);
  max-width:620px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-links{
  margin-top:22px;
  display:flex;
  gap:24px;
  flex-wrap:wrap;
  font-size:14px;
}
.cta-links a{color:var(--brand-600);font-weight:600;}
.cta-links a:hover{text-decoration:underline;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--surface-soft);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-soft);
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{
  font-size:14px;
  color:var(--text-soft);
}
.footer-col ul li a:hover{color:var(--brand-600);}
.contact-list li{
  font-size:14px;
  color:var(--text-soft);
  line-height:1.8;
  margin-bottom:10px;
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--text-mute);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-pad:72px;}
  .nav-links{gap:22px;}
  .header-inner{gap:20px;}
  .status-badge{display:none;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .event-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .notice-layout{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .page-hero .container{padding-top:56px;padding-bottom:56px;}
  .cta-band{padding:36px 32px;}
}
@media (max-width:767px){
  :root{--sec-pad:44px;--gap:16px;}
  .container{padding:0 16px;}
  .countdown-pill{display:none;}
  .event-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .hero-stats{gap:20px 0;}
  .hero-stat{padding-right:22px;margin-right:22px;}
  .hero-stat strong{font-size:24px;}
  .filter-count{display:none;}
  .event-body{padding:18px 18px 16px;}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:none;}
  .faq-item summary{font-size:15px;padding:16px 16px;}
  .faq-answer{padding:0 16px 16px;font-size:14.5px;}
  .notice-list{padding:4px 18px;}
  .aside-card{padding:22px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .page-hero h1{letter-spacing:-.2px;}
  .page-hero p{font-size:15.5px;}
  .hero-stat{padding-right:16px;margin-right:16px;}
  .hero-stat strong{font-size:22px;}
  .event-title{font-size:17.5px;}
  .section-head{margin-bottom:24px;}
  .hero-actions .btn{width:100%;}
  .header-inner{min-height:62px;}
  .brand{font-size:16px;}
  .brand-mark{width:30px;height:30px;}
}

/* roulang page: article */
:root{
  --c-600:#14536E;
  --c-500:#1D7EA6;
  --c-100:#E4EFF5;
  --a-500:#F0913A;
  --a-700:#D9761F;
  --a-100:#FDF0E2;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --soft:#EDF3F7;
  --t1:#17242E;
  --t2:#55697A;
  --t3:#8497A6;
  --line:#DFE8EF;
  --line-2:#EAF1F6;
  --ok:#2F9E6B;
  --soon:#F0913A;
  --end:#7C8C99;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 6px 20px rgba(20,83,110,.07);
  --sh-h:0 12px 30px rgba(20,83,110,.12);
  --sh-a:0 10px 28px rgba(240,145,58,.18);
  --ring:0 0 0 3px rgba(29,126,166,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-500);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--c-600)}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-500);outline-offset:2px;box-shadow:var(--ring);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid #E7EEF3;
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(20,83,110,.08)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t1);font-weight:700;font-size:17px;letter-spacing:.2px}
.brand:hover{color:var(--c-600)}
.brand-mark{position:relative;display:inline-block;width:28px;height:28px;border-radius:8px;background:var(--c-100);flex:0 0 auto}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:6px;bottom:6px;width:6px;border-radius:2px;transform:skewX(-14deg)}
.brand-mark::before{left:7px;background:var(--c-600)}
.brand-mark::after{left:15px;background:var(--a-500)}
.brand-name{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:10px}
.nav-links a{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:-2px;width:18px;height:2px;border-radius:2px;background:var(--c-600);transform:translateX(-50%) scaleX(0);transition:transform .2s ease}
.nav-links a:hover{color:var(--c-600)}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.is-active{color:var(--c-600);font-weight:600}
.nav-links a.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.countdown{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--a-100);color:var(--a-700);
  font-size:13px;font-weight:600;line-height:1;
  padding:9px 13px;border-radius:999px;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.countdown .dot{width:6px;height:6px;border-radius:50%;background:var(--a-500)}
.nav-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;line-height:1;
  padding:9px 12px;border-radius:999px;
  background:var(--c-100);color:var(--c-600);white-space:nowrap;
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-100);border-color:#CFE1EB}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-600);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-600)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-close,.nav-drawer-extra,.nav-backdrop{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 22px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--a-500);color:#fff;box-shadow:var(--sh-a)}
.btn-primary:hover{background:var(--a-700);color:#fff;transform:translateY(-1px)}
.btn-solid{background:var(--c-600);color:#fff}
.btn-solid:hover{background:var(--c-500);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--c-600);border-color:var(--c-500)}
.btn-ghost:hover{background:var(--c-100);color:var(--c-600)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-block{width:100%;margin-top:16px}
.btn[disabled]{background:#C7D3DC;color:#fff;border-color:#C7D3DC;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:500;line-height:1.5;padding:4px 10px;border-radius:999px;white-space:nowrap}
.badge-cat{background:var(--c-100);color:var(--c-600)}
.badge-ok{background:rgba(47,158,107,.12);color:var(--ok)}
.badge-soon{background:var(--a-100);color:var(--a-700)}
.badge-end{background:#EEF3F7;color:var(--end)}

/* ---------- Breadcrumbs ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--t3);
  padding:24px 0 0;
}
.crumbs a{color:var(--t2)}
.crumbs a:hover{color:var(--c-500)}
.crumbs .sep{color:#C7D3DC}
.crumbs [aria-current]{color:var(--t2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article head ---------- */
.article-head{padding:16px 0 26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.article-head h1{
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.4;font-weight:700;letter-spacing:-.4px;
  margin:16px 0 18px;max-width:900px;color:var(--t1);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--t2)}
.article-meta .divider{width:1px;height:14px;background:var(--line)}
.article-meta .src{color:var(--t3)}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;align-items:start;
  padding-bottom:64px;
}
.article-main{min-width:0}

/* ---------- Prose ---------- */
.prose{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh);
  padding:36px 40px;
  font-size:17px;line-height:1.9;color:var(--t1);
  overflow-wrap:break-word;
}
.prose > *:first-child{margin-top:0}
.prose > *:last-child{margin-bottom:0}
.prose p{margin:0 0 18px}
.prose h2{
  position:relative;
  font-size:24px;line-height:1.45;font-weight:700;
  margin:36px 0 16px;padding-left:16px;color:var(--t1);
}
.prose h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-600)}
.prose h3{font-size:19px;line-height:1.6;font-weight:600;margin:26px 0 12px;color:var(--c-600)}
.prose h4{font-size:17px;font-weight:600;margin:20px 0 10px;color:var(--t1)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px}
.prose li{margin-bottom:8px;line-height:1.85}
.prose ul li::marker{color:var(--c-500)}
.prose ol li::marker{color:var(--c-500);font-weight:600}
.prose blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--c-100);border-left:3px solid var(--c-600);
  border-radius:0 10px 10px 0;color:var(--t2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh);height:auto}
.prose figure{margin:24px 0}
.prose figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:10px;line-height:1.7}
.prose a{color:var(--c-500);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--c-600)}
.prose strong{font-weight:600;color:var(--c-600)}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:middle}
.prose th{background:var(--c-100);color:var(--c-600);font-weight:600}
.prose tbody tr:nth-child(even){background:#F7FAFC}
.prose tbody tr:last-child td{border-bottom:0}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- Tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--t3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:500;line-height:1.5;
  padding:5px 13px;border-radius:999px;
  background:var(--c-100);color:var(--c-600);
  transition:background-color .2s ease,color .2s ease;
}
.tag:hover{background:#D6E7F0;color:var(--c-600)}

/* ---------- Related ---------- */
.related{margin-top:36px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;margin:0}
.section-head p{font-size:14px;color:var(--t2);margin:6px 0 0}
.link-arrow{display:inline-flex;align-items:center;gap:4px;font-size:13.5px;font-weight:600;color:var(--c-600);white-space:nowrap}
.link-arrow:hover{color:var(--c-500);text-decoration:underline;text-underline-offset:3px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:#CFE1EB}
.card-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-100)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.card-title{font-size:17px;line-height:1.5;font-weight:600;margin:0;color:var(--t1)}
.card-title a{color:inherit;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a:hover{color:var(--c-500)}
.card-desc{font-size:14px;line-height:1.75;color:var(--t2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--t3)}

/* ---------- Sidebar ---------- */
.side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);padding:22px}
.side-card h3{font-size:16px;line-height:1.5;font-weight:600;margin:0 0 14px;color:var(--t1)}
.side-card.join{background:var(--soft);border-color:#D8E5EE}
.side-points{list-style:none;display:flex;flex-direction:column;gap:10px;margin:0 0 4px}
.side-points li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--t2)}
.side-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--a-500);transform:rotate(45deg)}
.side-list{list-style:none;display:flex;flex-direction:column;gap:15px}
.side-list li{display:flex;flex-direction:column;gap:4px;padding-bottom:15px;border-bottom:1px solid var(--line-2)}
.side-list li:last-child{padding-bottom:0;border-bottom:0}
.side-list a{font-size:14.5px;line-height:1.65;font-weight:500;color:var(--t1)}
.side-list a:hover{color:var(--c-500)}
.side-list time{font-size:12.5px;color:var(--t3);font-variant-numeric:tabular-nums}
.side-faq{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.side-faq li{font-size:14px;line-height:1.7;color:var(--t2);padding-left:14px;position:relative}
.side-faq li::before{content:"Q";position:absolute;left:0;top:0;font-size:12px;font-weight:700;color:var(--c-500)}

/* ---------- Empty ---------- */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:64px 24px;text-align:center;
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  border:2px solid var(--c-100);display:flex;align-items:center;justify-content:center;
  color:var(--c-500);background:#F8FBFD;
}
.empty-icon svg{width:28px;height:28px}
.empty-state p{font-size:14px;color:var(--t2);margin:0 0 18px}

/* ---------- CTA ---------- */
.cta-band{padding:8px 0 72px}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--soft);border:1px solid #DFEAF1;border-radius:var(--r-card);
  padding:36px 40px;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;margin:0 0 8px}
.cta-inner p{font-size:15px;line-height:1.8;color:var(--t2);margin:0;max-width:620px}
.cta-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cta-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13.5px;color:var(--t3)}
.cta-links a{color:var(--t2)}
.cta-links a:hover{color:var(--c-500)}

/* ---------- Footer ---------- */
.site-footer{background:var(--soft);border-top:1px solid var(--line);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--t2);max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;margin:0 0 14px;color:var(--t1)}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;line-height:1.6;color:var(--t2)}
.footer-col a:hover{color:var(--c-500)}
.contact-list li{font-size:13.5px;line-height:1.7;color:var(--t2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .nav-links{gap:22px}
}
@media (max-width:1100px){
  .nav-badge{display:none}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:0;right:0;z-index:80;
    width:82vw;max-width:360px;height:100vh;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:76px 22px 32px;
    background:#fff;box-shadow:-18px 0 40px rgba(20,83,110,.14);
    transform:translateX(105%);transition:transform .28s ease;
    overflow-y:auto;
  }
  body.menu-open .nav-links{transform:translateX(0)}
  .nav-links a{padding:15px 0;font-size:16px;border-bottom:1px solid #EEF4F8;color:var(--t1)}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--c-600);font-weight:600}
  .nav-toggle{display:inline-flex}
  .nav-backdrop{
    display:block;position:fixed;inset:0;z-index:70;
    background:rgba(23,36,46,.42);
    opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  }
  body.menu-open .nav-backdrop{opacity:1;visibility:visible}
  .drawer-close{
    display:inline-flex;align-items:center;justify-content:center;
    position:absolute;top:18px;right:20px;
    width:36px;height:36px;border-radius:10px;
    border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--c-600);
    font-size:18px;line-height:1;
  }
  .drawer-close:hover{background:var(--c-100)}
  .nav-drawer-extra{display:flex;flex-direction:column;gap:12px;margin-top:22px}
  .nav-drawer-extra .countdown{justify-content:center;padding:12px;font-size:13.5px}
  .nav-drawer-extra .btn{width:100%}
  .nav-right .countdown{display:none}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .side{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .prose{padding:28px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-inner{height:64px;gap:14px}
  .brand{font-size:16px}
  .nav-right{gap:8px}
  .nav-right .btn{padding:9px 15px;font-size:14px}
  .article-head{padding:12px 0 22px;margin-bottom:26px}
  .article-meta{font-size:13px;gap:9px}
  .prose{padding:22px 18px;font-size:16.5px;line-height:1.85}
  .prose h2{font-size:21px;margin:28px 0 14px}
  .prose h3{font-size:18px}
  .card-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .cta-band{padding-bottom:52px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:44px 0 22px}
  .footer-brand p{max-width:none}
}
@media (max-width:479px){
  body{font-size:15.5px}
  .article-head h1{font-size:24px;line-height:1.45}
  .prose{padding:20px 15px;font-size:16px}
  .cta-inner h2{font-size:19px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .btn{width:100%}
  .nav-right .btn{width:auto}
}

/* roulang page: category3 */
:root{
  --c600:#14536E;
  --c500:#1D7EA6;
  --c100:#E4EFF5;
  --a500:#F0913A;
  --a700:#D9761F;
  --a100:#FDF0E2;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --soft:#EDF3F7;
  --t1:#17242E;
  --t2:#55697A;
  --t3:#8497A6;
  --line:#DFE8EF;
  --line2:#EAF1F6;
  --ok:#2F9E6B;
  --end:#7C8C99;
  --lock:#55697A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 6px 20px rgba(20,83,110,.07);
  --sh-h:0 12px 30px rgba(20,83,110,.12);
  --focus:0 0 0 3px rgba(29,126,166,.35);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c600);text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid #E7EEF3;
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,83,110,.08)}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:72px;max-width:var(--max);margin:0 auto;padding:0 24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-size:18px;font-weight:700;letter-spacing:-.2px;flex:0 0 auto}
.brand-mark{
  position:relative;width:28px;height:28px;border-radius:9px;
  background:var(--c600);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-mark::before{
  content:"";position:absolute;left:6px;top:6px;width:6px;height:16px;
  background:#fff;border-radius:2px;transform:skewX(-14deg);
}
.brand-mark::after{
  content:"";position:absolute;right:6px;top:6px;width:6px;height:16px;
  background:var(--a500);border-radius:2px;transform:skewX(-14deg);
}
.brand:hover{color:var(--c600)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:-3px;width:18px;height:2px;border-radius:2px;
  background:var(--c600);transform:translateX(-50%) scaleX(0);transform-origin:center;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--c500)}
.nav-links a.is-active{color:var(--c600);font-weight:600}
.nav-links a.is-active::after{transform:translateX(-50%) scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.countdown-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--a100);color:#B85F12;
  font-size:13px;line-height:1;padding:8px 12px;border-radius:999px;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.countdown-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--a500);flex:0 0 auto}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1;padding:6px 11px;border-radius:999px;font-weight:500;white-space:nowrap;
}
.badge-cat{background:var(--c100);color:var(--c600)}
.badge-soft{background:var(--a100);color:#B85F12}
.badge-line{background:#fff;color:var(--c600);border:1px solid var(--c100)}
.badge-lock{background:#EEF2F5;color:var(--lock)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-sm{padding:10px 16px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--a500);color:#fff;box-shadow:0 10px 28px rgba(240,145,58,.18)}
.btn-primary:hover{background:var(--a700);transform:translateY(-1px);box-shadow:0 12px 24px rgba(240,145,58,.28)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{background:#fff;color:var(--c600);border-color:var(--c500)}
.btn-outline:hover{background:var(--c100);transform:translateY(-1px)}
.btn-outline:active{transform:none}
.btn-ghost{background:var(--c600);color:#fff}
.btn-ghost:hover{background:var(--c500);transform:translateY(-1px);box-shadow:0 10px 24px rgba(20,83,110,.18)}
.btn-ghost:active{transform:none;box-shadow:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c600);
  padding:2px 0;background:none;border:0;cursor:pointer;
}
.btn-link .arrow{transition:transform .2s ease}
.btn-link:hover{color:var(--c500);text-decoration:underline;text-underline-offset:4px}
.btn-link:hover .arrow{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{background:#C7D3DC;color:#fff;box-shadow:none;cursor:not-allowed;transform:none}

/* 移动端汉堡与抽屉 */
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:#fff;border:1px solid var(--line);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c600)}
.nav-toggle:hover{border-color:var(--c100);background:var(--c100)}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(23,36,46,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;
  background:#fff;z-index:95;padding:20px;
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  box-shadow:-12px 0 40px rgba(20,83,110,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--t2);font-size:18px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:var(--c100);border-color:var(--c100);color:var(--c600)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;height:48px;font-size:15px;font-weight:500;color:var(--t2);
  border-bottom:1px solid var(--line2);
}
.drawer-nav a.is-active{color:var(--c600);font-weight:600}
.drawer-nav a:hover{color:var(--c500)}
.drawer .btn{width:100%}
.drawer-note{font-size:13px;color:var(--t3);line-height:1.7}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--soft)}
.section--white{background:#fff}
.section-head{max-width:780px;margin-bottom:36px}
.section-title{
  font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.3px;
  margin:0 0 12px;color:var(--t1);
}
.section-sub{font-size:16px;color:var(--t2);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c500);
  letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--a500)}

/* ============ 页头 ============ */
.page-hero{
  background:#fff;border-bottom:1px solid var(--line);
  padding:52px 0 56px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--c500)}
.breadcrumb .sep{color:#C3D2DC}
.breadcrumb .current{color:var(--t1);font-weight:500}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-title{
  font-size:clamp(30px,4.2vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.5px;
  padding-left:20px;border-left:4px solid var(--c500);margin:0 0 20px;
}
.hero-lead{font-size:16px;color:var(--t2);line-height:1.85;margin:0 0 24px;max-width:600px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(135deg,#DCEAF2,#EEF4F8);
  box-shadow:var(--sh);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .media-badge{
  position:absolute;top:14px;right:14px;
  background:rgba(255,255,255,.94);color:var(--c600);
  font-size:13px;font-weight:600;padding:7px 12px;border-radius:999px;
  box-shadow:0 6px 16px rgba(20,83,110,.12);
}

/* ============ 帮助主题 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.topic-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:26px 24px;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:var(--c100)}
.topic-icon{
  width:46px;height:46px;border-radius:12px;background:var(--c100);color:var(--c600);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.topic-card h3{font-size:18px;line-height:1.5;font-weight:600;margin:0 0 10px}
.topic-card p{font-size:14.5px;line-height:1.8;color:var(--t2);margin:0 0 18px;flex:1}
.topic-card .btn-link{font-size:14px}

/* ============ 处理流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;background:var(--c100);color:var(--c600);
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:600;margin:0 0 10px;line-height:1.5}
.step-card p{font-size:14.5px;color:var(--t2);margin:0}

/* ============ 近期更新 ============ */
.timeline{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.timeline-item{
  display:grid;grid-template-columns:140px 1fr auto;gap:24px;align-items:center;
  padding:22px 28px;border-bottom:1px solid var(--line2);
  transition:background .2s ease;
}
.timeline-item:last-child{border-bottom:0}
.timeline-item:hover{background:#F9FCFD}
.timeline-date{font-size:14px;color:var(--t3);font-variant-numeric:tabular-nums}
.timeline-title{font-size:16.5px;font-weight:600;line-height:1.55;margin:0 0 6px;color:var(--t1)}
.timeline-desc{font-size:14px;color:var(--t2);margin:0}
.timeline-item .btn-link{white-space:nowrap}
.updates-foot{margin-top:22px;font-size:14px;color:var(--t3)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-aside p{font-size:15px;color:var(--t2);margin:0 0 20px;line-height:1.85}
.faq-aside .aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh);
}
.faq-aside .aside-card h4{font-size:15px;font-weight:600;margin:0 0 8px;color:var(--t1)}
.faq-aside .aside-card p{font-size:14px;margin:0 0 14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--c100)}
.faq-item.is-open{border-color:var(--c100);box-shadow:var(--sh)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:18px 20px;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--t1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c600)}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--c500);color:var(--c600);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--c600);border-color:var(--c600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{font-size:15px;line-height:1.85;color:var(--t2);margin:0;padding:0 20px}
.faq-item.is-open .faq-a p{padding-bottom:18px}

/* ============ CTA ============ */
.cta-band{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;font-weight:700;margin:0 0 10px}
.cta-band p{font-size:15px;color:var(--t2);margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-links{display:flex;gap:22px;flex-wrap:wrap;margin-top:24px;font-size:14px}
.cta-links a{color:var(--t2)}
.cta-links a:hover{color:var(--c500);text-decoration:underline;text-underline-offset:4px}

/* ============ 页脚 ============ */
.site-footer{background:var(--soft);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t2);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;margin:0 0 14px;color:var(--t1)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--t2)}
.footer-col a:hover{color:var(--c500)}
.contact-list li{font-size:14px;color:var(--t2);line-height:1.7}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:12.5px;color:var(--t3);margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .header-inner{gap:18px}
  .nav-links{gap:20px}
  .countdown-pill{display:none}
  .hero-grid{gap:36px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .badge{display:none}
  .section{padding:64px 0}
  .page-hero{padding:40px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media{aspect-ratio:16/9;order:-1}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .step-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .timeline-item{grid-template-columns:110px 1fr;gap:16px}
  .timeline-item .btn-link{grid-column:2;justify-self:start}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px;height:64px;gap:12px}
  .brand{font-size:16px}
  .brand-mark{width:24px;height:24px;border-radius:8px}
  .brand-mark::before,.brand-mark::after{height:13px;top:5.5px;width:5px}
  .brand-mark::before{left:5px}
  .brand-mark::after{right:5px}
  .header-actions .btn-sm{padding:9px 13px;font-size:13px}
  .section{padding:44px 0}
  .hero-title{font-size:28px;padding-left:14px;border-left-width:3px}
  .hero-lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .topic-grid{grid-template-columns:1fr;gap:16px}
  .timeline-item{grid-template-columns:1fr;gap:8px;padding:20px}
  .timeline-item .btn-link{grid-column:1}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .cta-band{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .section-head{margin-bottom:26px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a p{padding:0 16px;font-size:14.5px}
  .faq-item.is-open .faq-a p{padding-bottom:16px}
}
@media (max-width:479px){
  .hero-title{font-size:25px}
  .section-title{font-size:22px}
  .step-card,.topic-card{padding:20px 18px}
  .badge{font-size:12px;padding:5px 9px}
}

/* roulang page: category2 */
:root{
  --brand-600:#14536E;
  --brand-500:#1D7EA6;
  --brand-100:#E4EFF5;
  --accent-500:#F0913A;
  --accent-700:#D9761F;
  --accent-050:#FDF0E2;
  --bg:#F5F8FA;
  --surface:#FFFFFF;
  --surface-alt:#EDF3F7;
  --text:#17242E;
  --text-2:#55697A;
  --text-3:#8497A6;
  --border:#DFE8EF;
  --line:#EAF1F6;
  --ok:#2F9E6B;
  --off:#7C8C99;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 6px 20px rgba(20,83,110,.07);
  --sh-hover:0 12px 30px rgba(20,83,110,.12);
  --sh-accent:0 10px 28px rgba(240,145,58,.18);
  --focus:0 0 0 3px rgba(29,126,166,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-600)}
img{max-width:100%;display:block;border:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid #E7EEF3;transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(20,83,110,.08)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  box-shadow:0 4px 12px rgba(20,83,110,.22);
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border:2px solid rgba(255,255,255,.92);
  border-radius:4px;transform:rotate(45deg);
}
.brand-name{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px}
.brand:hover .brand-name{color:var(--brand-600)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:8px 0;transition:color .2s ease;
}
.nav-links a:hover{color:var(--brand-600)}
.nav-links a.is-active{color:var(--brand-600);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand-600);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.countdown{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  background:var(--accent-050);color:#B8640E;font-size:13px;font-weight:500;
  padding:6px 12px;border-radius:999px;font-variant-numeric:tabular-nums;
}
.badge-new{
  display:inline-flex;align-items:center;background:var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:500;padding:5px 11px;border-radius:999px;white-space:nowrap;
}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600);transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{background:var(--brand-100)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(240,145,58,.22)}
.btn-primary:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-accent)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:#fff;border-color:var(--brand-500);color:var(--brand-600)}
.btn-secondary:hover{background:var(--brand-100);color:var(--brand-600);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn[disabled]{background:#C7D3DC;color:#fff;border-color:transparent;box-shadow:none;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand-600)}
.link-more:hover{text-decoration:underline;text-underline-offset:4px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;
  padding:4px 10px;border-radius:999px;background:var(--brand-100);color:var(--brand-600);
  line-height:1.5;white-space:nowrap;
}
.badge-accent{background:var(--accent-050);color:var(--accent-700)}
.badge-solid{background:var(--brand-600);color:#fff}
.badge-soft{background:#fff;border:1px solid var(--border);color:var(--text-2)}

/* ============ 页头 ============ */
.page-head{
  background:radial-gradient(900px 320px at 10% -20%,#DFEDF5 0%,rgba(223,237,245,0) 72%),
             linear-gradient(180deg,#F2F7FA 0%,var(--surface-alt) 100%);
  border-bottom:1px solid var(--border);
  padding:24px 0 56px;
}
.breadcrumb{font-size:14px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#B7C6D2}
.breadcrumb .current{color:var(--text)}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;margin:18px 0 14px;
  background:#fff;border:1px solid var(--border);color:var(--brand-600);
  font-size:13px;letter-spacing:.6px;padding:5px 12px;border-radius:999px;
}
.page-head h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.5px;
  color:var(--text);max-width:820px;
}
.page-head .lead{max-width:760px;margin-top:16px;font-size:17px;line-height:1.85;color:var(--text-2)}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.head-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:36px;padding-top:24px;border-top:1px solid rgba(20,83,110,.12)}
.stat{display:flex;flex-direction:column;gap:2px;position:relative;padding-left:0}
.stat + .stat::before{
  content:"";position:absolute;left:-18px;top:6px;bottom:6px;width:1px;background:rgba(20,83,110,.16);
}
.stat b{font-size:30px;line-height:1.2;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums}
.stat span{font-size:14px;color:var(--text-2)}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--surface-alt)}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.3px}
.section-head p{margin-top:12px;font-size:16px;color:var(--text-2)}

/* ============ 权益对照表 ============ */
.table-wrap{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow-x:auto;overflow-y:hidden;
  scrollbar-width:thin;
}
.table-wrap::-webkit-scrollbar{height:8px}
.table-wrap::-webkit-scrollbar-thumb{background:#CFDDE7;border-radius:999px}
.plan-table{width:100%;min-width:820px;border-collapse:collapse;font-size:15px}
.plan-table th,.plan-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:center;vertical-align:middle}
.plan-table thead th{background:#fff;padding-top:22px;padding-bottom:20px}
.plan-table thead th .plan-name{display:block;font-size:17px;font-weight:700;color:var(--text)}
.plan-table thead th .plan-price{display:block;margin-top:4px;font-size:14px;font-weight:500;color:var(--text-3);font-variant-numeric:tabular-nums}
.plan-table thead th.is-recommend{background:var(--brand-100);position:relative}
.plan-flag{
  display:inline-block;margin-bottom:8px;background:var(--accent-500);color:#fff;
  font-size:12.5px;font-weight:600;padding:2px 10px;border-radius:999px;
}
.plan-table th.corner,.plan-table td.row-head{
  position:sticky;left:0;z-index:2;text-align:left;background:#fff;
  box-shadow:1px 0 0 var(--border);font-weight:600;color:var(--text);
  min-width:150px;
}
.plan-table th.corner{z-index:3;color:var(--text-2);font-weight:500;font-size:14px}
.plan-table td.is-recommend{background:#F1F8FC;color:var(--text)}
.plan-table tbody tr:last-child td{border-bottom:0}
.cell-yes{color:var(--brand-600);font-weight:600}
.cell-no{color:var(--off)}
.table-note{margin-top:16px;font-size:14px;color:var(--text-3)}
.table-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px}

/* ============ 权益图文带 ============ */
.feature-band{
  display:grid;grid-template-columns:1fr 1.05fr;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
}
.feature-media{position:relative;min-height:340px;overflow:hidden;background:linear-gradient(135deg,#DDEBF3,#C9DFEA)}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-body{padding:44px 40px}
.feature-body h2{font-size:clamp(22px,2.2vw,28px);line-height:1.4;margin-top:14px}
.feature-body p{margin-top:12px;font-size:16px;color:var(--text-2)}
.feature-list{margin-top:20px;display:grid;gap:10px}
.feature-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2)}
.feature-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  transform:rotate(-45deg);
}
.feature-body .btn{margin-top:24px}

/* ============ 档位卡片 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tier-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.tier-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#CFE0EA}
.tier-card.is-recommend{border:2px solid var(--brand-500);box-shadow:0 10px 28px rgba(20,83,110,.13);padding:27px}
.tier-flag{
  position:absolute;top:-13px;left:24px;background:var(--accent-500);color:#fff;
  font-size:12.5px;font-weight:600;padding:3px 12px;border-radius:999px;
  box-shadow:0 6px 14px rgba(240,145,58,.28);
}
.tier-card h3{font-size:19px;font-weight:600;margin-top:4px}
.tier-desc{font-size:14px;color:var(--text-3);margin-top:6px}
.tier-price{
  margin:16px 0 18px;font-size:30px;line-height:1.2;font-weight:700;
  color:var(--brand-600);font-variant-numeric:tabular-nums;
}
.tier-price span{font-size:14px;font-weight:500;color:var(--text-3);margin-left:4px}
.tier-list{display:grid;gap:10px;margin-bottom:24px}
.tier-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2)}
.tier-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  transform:rotate(-45deg);
}
.tier-card .btn{margin-top:auto;width:100%}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-intro h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
.faq-intro p{margin-top:12px;font-size:16px;color:var(--text-2)}
.faq-intro .link-more{margin-top:20px}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#C7DDEA}
.faq-item.is-open{box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--brand-100)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;
  transform:translate(-50%,-50%);transition:opacity .25s ease,transform .25s ease;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-item.is-open .faq-a{max-height:340px}

/* ============ CTA 面板 ============ */
.cta-panel{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--r-card);
  padding:48px;
}
.cta-panel h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
.cta-panel p{margin-top:12px;font-size:16px;color:var(--text-2);max-width:460px}
.cta-links{display:flex;flex-wrap:wrap;gap:20px;margin-top:22px;font-size:14px}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card)}
.form-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.form-tip{font-size:14px;color:var(--text-3);margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--text-2);margin-bottom:6px}
.field input,.field select{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--border);border-radius:10px;
  background:#fff;color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{border-color:var(--brand-500);box-shadow:var(--focus);outline:none}
.field input::placeholder{color:#A7B7C3}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:13px;color:var(--text-3);margin-top:12px}
.form-ok{
  margin-top:12px;font-size:14px;color:var(--brand-600);
  background:var(--brand-100);border-radius:10px;padding:10px 14px;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface-alt);border-top:1px solid var(--border);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-600)}
.contact-list li{font-size:14px;color:var(--text-2)}
.footer-bottom{
  margin-top:44px;padding:20px 0 26px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,36,46,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:80;width:82vw;max-width:340px;height:100%;
  background:#fff;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:-10px 0 30px rgba(20,83,110,.16);
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-2);
}
.drawer-close:hover{background:var(--brand-100);color:var(--brand-600)}
.drawer-nav{display:block;margin-bottom:18px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line);font-weight:500;
}
.drawer-nav a.is-active{color:var(--brand-600);font-weight:600}
.drawer .countdown{align-self:flex-start;margin-bottom:16px}
.drawer .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 20px}
  .nav-links{gap:20px}
  .countdown{display:none}
}
@media (max-width:991px){
  .nav-links{display:none}
  .badge-new{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .page-head{padding:20px 0 44px}
  .feature-band{grid-template-columns:1fr}
  .feature-media{min-height:260px}
  .feature-body{padding:32px 26px}
  .tier-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .header-inner{min-height:64px;gap:12px}
  .head-stats{gap:24px;margin-top:28px;padding-top:20px}
  .stat + .stat::before{display:none}
  .stat b{font-size:26px}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .tier-card{padding:22px}
  .tier-card.is-recommend{padding:21px}
  .plan-table{font-size:14px}
  .plan-table th,.plan-table td{padding:14px 14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:32px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .page-head h1{font-size:28px}
  .head-actions{gap:10px}
  .head-actions .btn{width:100%}
  .btn{padding:11px 18px}
  .cta-panel{padding:24px}
  .form-card{padding:20px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a p{padding:0 16px 16px}
}