/* roulang page: index */
:root{
  --c-ink:#0F1A16;
  --c-primary:#0C3B2C;
  --c-primary-deep:#072A1F;
  --c-accent:#FF6A13;
  --c-accent-soft:#FFE7D6;
  --c-lime:#D9F24F;
  --c-bg:#F4F2EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FAF9F5;
  --c-line:#E3DFD4;
  --c-muted:#6B7269;
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(12,59,44,.06);
  --sh-2:0 10px 24px rgba(12,59,44,.12);
  --t:160ms ease-out;
  --sp:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),transform var(--t)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
h1{font-size:clamp(28px,5vw,48px);line-height:1.22;font-weight:800}
h2{font-size:clamp(24px,3.6vw,36px);line-height:1.25}
h3{font-size:21px;line-height:1.4}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}
::selection{background:var(--c-lime);color:var(--c-primary-deep)}
.grid-container{max-width:1200px;width:100%;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}
.section{padding:var(--sp) 0}
.section--tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.sec-head__label{display:block;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--c-accent);margin-bottom:10px}
.sec-head h2{max-width:760px}
.sec-head__desc{margin-top:14px;color:var(--c-muted);font-size:15.5px;max-width:640px}
.sec-link{flex:none;display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--c-primary);border-bottom:2px solid var(--c-line);padding-bottom:6px;transition:border-color var(--t),color var(--t)}
.sec-link:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-pill);
  padding:13px 26px;font-size:15.5px;font-weight:700;cursor:pointer;line-height:1;background:var(--c-surface);color:var(--c-primary);
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);white-space:nowrap}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,19,.24)}
.btn--accent:hover{background:#E85B08;transform:translateY(-2px)}
.btn--accent:active{transform:translateY(1px);box-shadow:0 2px 6px rgba(255,106,19,.24)}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary);color:#fff}
.btn--light{background:#fff;color:var(--c-primary);border-color:var(--c-line)}
.btn--light:hover{border-color:var(--c-primary);transform:translateY(-2px)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{background:#C9CBC4;color:#F4F2EC;box-shadow:none;cursor:not-allowed;transform:none}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-badge);padding:4px 10px;font-size:12.5px;font-weight:700;line-height:1.5}
.badge--orange{background:var(--c-accent-soft);color:#B8480B}
.badge--green{background:var(--c-primary);color:var(--c-lime)}
.badge--line{background:rgba(255,255,255,.86);color:var(--c-primary);border:1px solid var(--c-line)}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--c-line);background:var(--c-surface-2);border-radius:var(--r-pill);
  padding:7px 14px;font-size:13.5px;font-weight:700;color:var(--c-primary)}
.chip i{color:var(--c-accent);font-size:12px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-bg);padding-top:12px}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(12,59,44,.07)}
.nav-card{display:flex;align-items:center;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:11px 14px;position:relative;z-index:82}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand__mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:var(--c-lime);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;letter-spacing:.04em;
  font-variant-numeric:tabular-nums}
.brand__text{font-size:16.5px;font-weight:800;color:var(--c-primary);letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:6px;flex-wrap:wrap}
.nav-item{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface-2);font-size:14.5px;font-weight:700;color:var(--c-primary);transition:all var(--t)}
.nav-item i{font-size:12.5px;color:var(--c-accent)}
.nav-item:hover{background:var(--c-accent-soft);border-color:#F5CCAE;transform:translateY(-1px)}
.nav-item.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.nav-item.is-active i{color:#fff}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface-2);
  color:var(--c-primary);align-items:center;justify-content:center;cursor:pointer}
.track-line{height:0;border-bottom:3px dashed rgba(12,59,44,.16);margin:14px 0 0}

/* ---------- 倒计时 ---------- */
.countdown-bar{margin-top:20px;background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border-radius:var(--r-card);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  box-shadow:var(--sh-1);border:1px solid rgba(217,242,79,.14)}
.cd-left{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cd-label{font-size:13px;font-weight:700;letter-spacing:.14em;color:#9FB8AC;border-left:3px solid var(--c-lime);padding-left:10px}
.cd-clock{display:flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums}
.cd-num{font-size:clamp(22px,3.2vw,32px);font-weight:800;letter-spacing:.05em;color:var(--c-lime);line-height:1.1;min-width:1.9ch;text-align:center}
.cd-sep{color:rgba(217,242,79,.55);font-weight:800;font-size:clamp(18px,2.6vw,26px)}
.countdown-bar.is-ended{background:#E7E5DE;border-color:var(--c-line)}
.countdown-bar.is-ended .cd-num,.countdown-bar.is-ended .cd-sep{color:#8E948A}
.countdown-bar.is-ended .cd-label{color:var(--c-muted);border-color:#B7BCB3}

/* ---------- Hero ---------- */
.hero{padding:60px 0 0}
.hero-copy{max-width:640px}
.hero-copy h1{margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--c-muted);font-weight:600;margin-bottom:24px;max-width:520px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:16/11}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(205deg,rgba(12,59,44,0) 40%,rgba(7,42,31,.62) 100%)}
.hero-slice{position:absolute;left:-24px;bottom:-18px;width:56%;height:46%;background:var(--c-accent);
  clip-path:polygon(0 22%,100% 0,92% 100%,0 84%);opacity:.92;z-index:2}
.hero-stamp{position:absolute;right:16px;bottom:16px;z-index:3;background:rgba(255,255,255,.94);border-radius:var(--r-badge);
  padding:9px 13px;font-size:12.5px;font-weight:800;color:var(--c-primary);letter-spacing:.06em;display:flex;align-items:center;gap:7px}
.hero-stamp i{color:var(--c-accent)}

/* ---------- 卖点横条 ---------- */
.pillar-row{display:grid;grid-template-columns:96px 1fr 260px;gap:26px;align-items:center;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px 28px;transition:box-shadow var(--t),transform var(--t)}
.pillar-row + .pillar-row{margin-top:20px}
.pillar-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.pillar-row:nth-child(even){margin-left:34px}
.pillar-num{width:78px;height:78px;border-radius:14px;background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;color:var(--c-lime);font-variant-numeric:tabular-nums}
.pillar-body h3{margin-bottom:8px}
.pillar-body p{color:var(--c-muted);font-size:15.5px;max-width:560px}
.pillar-list li{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--c-ink);padding:7px 0;border-bottom:1px dashed var(--c-line)}
.pillar-list li:last-child{border-bottom:0}
.pillar-list i{color:var(--c-accent);font-size:12px}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.wall-item{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.wall-item:hover img{transform:scale(1.03)}
.wall-cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(7,42,31,0) 0%,rgba(7,42,31,.78) 100%);
  color:#EAF0EC;font-size:13.5px;font-weight:700;padding:26px 16px 12px;transition:padding var(--t)}
.wall-item:hover .wall-cap{padding-bottom:18px}
.wall-item--a{grid-column:span 7;height:330px}
.wall-item--b{grid-column:span 5;height:330px}
.wall-item--c{grid-column:span 4;height:240px}
.wall-item--d{grid-column:span 4;height:240px}
.wall-item--e{grid-column:span 4;height:240px}
.wall-tall{object-position:center 32%}

/* ---------- 表单 CTA ---------- */
.cta-band{background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);border-radius:24px;padding:52px;
  display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center;color:#EAF0EC;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-80px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,242,79,.16),rgba(217,242,79,0) 70%)}
.cta-band h2{color:#fff;margin-bottom:16px;position:relative}
.cta-band .cta-note{color:#B7C9BF;font-size:15.5px;max-width:520px;position:relative}
.check-list{margin-top:24px;position:relative}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#DCE7DF;padding:7px 0}
.check-list i{color:var(--c-lime);margin-top:6px;font-size:13px}
.form-card{background:var(--c-surface);border-radius:var(--r-card);padding:28px;color:var(--c-ink);box-shadow:var(--sh-2);position:relative}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card__hint{font-size:13.5px;color:var(--c-muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--c-primary);margin-bottom:7px}
.field input,.field select{width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface-2);
  padding:0 14px;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background var(--t)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus{outline:none;border-color:var(--c-accent);background:#fff;box-shadow:0 0 0 3px rgba(255,106,19,.18)}
.field.has-error input,.field.has-error select{border-color:#C9382F;box-shadow:0 0 0 3px rgba(201,56,47,.14)}
.field__err{display:none;font-size:12.5px;color:#C9382F;margin-top:6px;font-weight:600}
.field.has-error .field__err{display:block}
.form-note{font-size:12.5px;color:var(--c-muted);margin-top:14px;line-height:1.7}
.form-ok{display:none;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--c-primary);background:var(--c-accent-soft);
  border-radius:var(--r-sm);padding:11px 14px}
.form-ok.is-show{display:block}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.acc-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  margin-bottom:16px;overflow:hidden;transition:box-shadow var(--t)}
.acc-item:hover{box-shadow:var(--sh-2)}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;cursor:pointer;
  text-align:left;padding:18px 20px 18px 24px;font-size:16px;font-weight:700;color:var(--c-ink);position:relative}
.acc-head::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;background:var(--c-accent);border-radius:0 4px 4px 0;transition:background var(--t)}
.acc-item.is-open .acc-head::before{background:var(--c-lime)}
.acc-ico{flex:none;width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:7px solid var(--c-muted);
  transition:transform var(--t)}
.acc-item.is-open .acc-ico{transform:rotate(180deg);border-top-color:var(--c-primary)}
.acc-panel{max-height:0;overflow:hidden;transition:max-height 220ms ease-out}
.acc-inner{padding:0 20px 20px 24px;font-size:15px;line-height:1.8;color:var(--c-muted)}

/* ---------- 资讯列表 ---------- */
.news-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;height:100%;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t)}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-cover .badge{position:absolute;left:12px;top:12px}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--c-accent)}
.news-sum{font-size:14.5px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.news-meta .more{font-weight:700;color:var(--c-primary)}
.news-meta .more:hover{color:var(--c-accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.empty-state{grid-column:1/-1;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--c-muted)}
.empty-state i{font-size:26px;color:var(--c-accent);display:block;margin-bottom:14px}
.empty-state strong{display:block;color:var(--c-ink);font-size:17px;margin-bottom:8px}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1)}
.stat-strip div{text-align:left;padding-right:16px;border-right:1px dashed var(--c-line)}
.stat-strip div:last-child{border-right:0;padding-right:0}
.stat-num{font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1}
.stat-num em{font-style:normal;color:var(--c-accent);font-size:.55em;margin-left:4px}
.stat-cap{font-size:14.5px;color:var(--c-muted);margin-top:8px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:#C9D8CF;margin-top:var(--sp);padding:64px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand__mark{background:rgba(217,242,79,.14);color:var(--c-lime)}
.foot-brand span{color:#fff;font-weight:800;font-size:16.5px}
.site-footer p{font-size:14.5px;color:#A9BDB3;line-height:1.8}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-left:16px;letter-spacing:.04em}
.foot-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:10px;height:2px;background:var(--c-lime)}
.foot-links li{margin-bottom:11px}
.foot-links a{font-size:14.5px;color:#B7C9BF;display:inline-block;transition:color var(--t),transform var(--t)}
.foot-links a:hover{color:var(--c-lime);transform:translateX(2px)}
.foot-info li{font-size:14.5px;color:#B7C9BF;margin-bottom:11px;display:flex;gap:9px;align-items:flex-start}
.foot-info i{color:var(--c-lime);margin-top:6px;font-size:12px}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(217,242,79,.16);display:flex;justify-content:space-between;
  gap:18px;flex-wrap:wrap;font-size:13.5px;color:#8FA69A}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .pillar-row{grid-template-columns:84px 1fr 220px;gap:20px}
}
@media (max-width:1023px){
  :root{--sp:72px}
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-toggle{display:inline-flex}
  .nav-links{position:fixed;left:0;right:0;top:0;bottom:0;background:var(--c-bg);padding:96px 20px 32px;
    display:none;grid-template-columns:1fr 1fr;gap:14px;align-content:start;overflow:auto;z-index:81}
  .nav-links.is-open{display:grid}
  .nav-item{justify-content:flex-start;padding:16px 14px;font-size:15px;border-radius:14px;background:var(--c-surface)}
  .brand__text{font-size:15.5px}
  .hero{padding:44px 0 0}
  .hero-figure{margin-top:36px;aspect-ratio:16/10}
  .pillar-row{grid-template-columns:76px 1fr;grid-template-areas:"num body" "list list"}
  .pillar-row:nth-child(even){margin-left:0}
  .pillar-num{grid-area:num;width:70px;height:70px;font-size:22px}
  .pillar-body{grid-area:body}
  .pillar-list{grid-area:list;margin-top:14px}
  .cta-band{grid-template-columns:1fr;padding:38px 28px;gap:30px}
  .faq-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr;gap:22px;padding:26px}
  .stat-strip div{border-right:0;border-bottom:1px dashed var(--c-line);padding:0 0 18px}
  .stat-strip div:last-child{border-bottom:0;padding-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .wall-item--a,.wall-item--b{grid-column:span 12;height:280px}
  .wall-item--c,.wall-item--d,.wall-item--e{grid-column:span 6;height:210px}
  .wall-item--e{grid-column:span 12}
}
@media (max-width:767px){
  :root{--sp:56px}
  body{font-size:16px}
  .site-header{padding-top:8px}
  .nav-card{padding:9px 10px;gap:10px}
  .brand__mark{width:36px;height:36px;font-size:13px}
  .brand__text{font-size:14px;max-width:130px;overflow:hidden;text-overflow:ellipsis}
  .countdown-bar{flex-direction:column;align-items:flex-start;padding:16px 18px;gap:14px}
  .cd-left{gap:12px}
  .cd-clock{flex-wrap:nowrap}
  .countdown-bar .btn{width:100%}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .pillar-row{padding:20px 18px;grid-template-columns:64px 1fr;gap:16px}
  .pillar-num{width:58px;height:58px;font-size:19px;border-radius:12px}
  .wall{gap:14px}
  .wall-item--c,.wall-item--d{grid-column:span 12;height:200px}
  .cta-band{border-radius:18px;padding:28px 20px}
  .form-card{padding:22px 18px}
  .foot-grid{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:519px){
  .hero-figure{aspect-ratio:4/3}
  .hero-stamp{right:10px;bottom:10px;font-size:11.5px;padding:7px 10px}
  .cd-num{font-size:22px}
  .news-meta{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: article */
:root{
  --c-ink:#0F1A16;
  --c-primary:#0C3B2C;
  --c-primary-deep:#072A1F;
  --c-accent:#FF6A13;
  --c-accent-deep:#E85B08;
  --c-accent-soft:#FFE7D6;
  --c-lime:#D9F24F;
  --c-bg:#F4F2EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FAF9F5;
  --c-line:#E3DFD4;
  --c-muted:#6B7269;
  --c-dark-text:#EAF0EC;
  --r-card:16px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(12,59,44,.06);
  --shadow-2:0 10px 24px rgba(12,59,44,.12);
  --t:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),transform var(--t)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}
::selection{background:var(--c-accent);color:#fff}

/* ---------- container ---------- */
.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media screen and (min-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px}
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-bg);
  padding-top:14px;
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{
  background:rgba(244,242,236,.96);
  backdrop-filter:blur(8px);
  box-shadow:0 6px 18px rgba(12,59,44,.08);
}
.nav-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 16px;
  flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand__mark{
  width:38px;height:38px;
  border-radius:var(--r-sm);
  background:var(--c-primary);
  color:var(--c-lime);
  display:grid;place-items:center;
  font-size:14px;font-weight:800;letter-spacing:.5px;
  flex:none;
}
.brand__text{font-size:17px;font-weight:800;letter-spacing:.2px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:14.5px;
  color:var(--c-ink);
  white-space:nowrap;
}
.nav-item i{color:var(--c-primary);font-size:14px}
.nav-item:hover{background:var(--c-surface-2);border-color:var(--c-line)}
.nav-item.is-active{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.nav-item.is-active i{color:#fff}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-sm);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-primary);
  font-size:17px;
  cursor:pointer;
}
.track-line{
  height:3px;
  margin-top:10px;
  border-radius:3px;
  background-image:repeating-linear-gradient(90deg,var(--c-line) 0 14px,transparent 14px 26px);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--lg{padding:14px 28px;font-size:16px}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 14px rgba(255,106,19,.22)}
.btn--accent:hover{background:var(--c-accent-deep);color:#fff}
.btn--ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn--ghost:hover{background:var(--c-primary);color:#fff}
.btn--ghost-light{border-color:rgba(234,240,236,.5);color:var(--c-dark-text);background:transparent}
.btn--ghost-light:hover{background:rgba(234,240,236,.12);border-color:var(--c-lime);color:var(--c-lime)}
.btn:active{transform:translateY(1px);box-shadow:none}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  margin-top:18px;
  padding:54px 0 58px;
  border-radius:var(--r-card);
  overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,42,31,.96) 0%,rgba(12,59,44,.88) 55%,rgba(7,42,31,.72) 100%);
}
.article-hero .grid-container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:#B9CFC3;margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--c-lime)}
.crumb-sep{color:rgba(217,242,79,.55)}
.crumb-current{color:var(--c-dark-text)}
.article-hero h1{
  color:#fff;
  font-size:clamp(28px,5vw,46px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:.4px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;
}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;color:#C6D6CC;
  font-variant-numeric:tabular-nums;
}
.meta-item i{color:rgba(217,242,79,.75)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:6px;
  font-size:13px;font-weight:700;
  letter-spacing:.3px;
}
.badge--lime{background:rgba(217,242,79,.16);color:var(--c-lime);border:1px solid rgba(217,242,79,.38)}
.badge--accent{background:var(--c-accent-soft);color:#B8410A}

/* ---------- article layout ---------- */
.article-layout{padding:56px 0 72px}
.article-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:32px 30px;
}
@media screen and (min-width:1024px){
  .article-card{padding:42px 48px}
}
.article-content{max-width:780px;margin:0 auto}
.article-content > *:first-child{margin-top:0}
.article-content p{
  margin-bottom:1.15em;
  line-height:1.85;
  letter-spacing:.01em;
  color:#1D2A24;
}
.article-content h2{
  position:relative;
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  line-height:1.3;
  margin:2em 0 .7em;
  padding-left:16px;
}
.article-content h2::before{
  content:"";
  position:absolute;left:0;top:.16em;bottom:.16em;
  width:4px;border-radius:2px;background:var(--c-accent);
}
.article-content h3{
  font-size:20px;font-weight:700;line-height:1.4;
  margin:1.7em 0 .6em;
}
.article-content h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em}
.article-content a{color:#0E5A42;border-bottom:2px solid rgba(255,106,19,.45)}
.article-content a:hover{color:var(--c-accent)}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding-left:2px}
.article-content li{
  position:relative;
  padding-left:18px;
  margin-bottom:.55em;
  line-height:1.8;
}
.article-content ul > li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:7px;height:7px;
  background:var(--c-primary);
  border-radius:1px;
}
.article-content ol{counter-reset:item}
.article-content ol > li::before{
  counter-increment:item;
  content:counter(item);
  position:absolute;left:0;top:.2em;
  font-size:13px;font-weight:800;color:var(--c-accent);
  font-variant-numeric:tabular-nums;
}
.article-content blockquote{
  margin:1.5em 0;
  padding:16px 22px;
  background:var(--c-surface-2);
  border-left:4px solid var(--c-accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#2C3A33;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  border-radius:12px;
  border:1px solid var(--c-line);
  margin:1.4em auto;
}
.article-content figure{margin:1.4em 0}
.article-content figcaption{
  margin-top:10px;
  font-size:14px;
  color:var(--c-muted);
  text-align:center;
}
.article-content table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.4em 0;
  font-size:15px;
  white-space:nowrap;
}
.article-content th,.article-content td{
  border:1px solid var(--c-line);
  padding:10px 14px;
  text-align:left;
}
.article-content th{background:var(--c-surface-2);font-weight:700}
.article-content hr{border:0;border-top:1px dashed var(--c-line);margin:2em 0}

/* article footer info */
.article-foot{
  max-width:780px;
  margin:34px auto 0;
  padding-top:22px;
  border-top:1px dashed var(--c-line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.article-foot__from{font-size:14px;color:var(--c-muted);line-height:1.7}
.article-foot__from strong{color:var(--c-ink)}
.share-dots{display:flex;gap:8px}
.share-dots a{
  width:38px;height:38px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);
  display:grid;place-items:center;
  color:var(--c-primary);font-size:14px;background:var(--c-surface-2);
}
.share-dots a:hover{background:var(--c-primary);color:var(--c-lime);border-color:var(--c-primary)}

/* empty state */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;
  background:var(--c-surface-2);
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  padding:52px 24px;
}
.empty-state i{font-size:30px;color:var(--c-accent);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:20px}

/* ---------- sidebar ---------- */
.sidebar{margin-top:26px}
@media screen and (min-width:1024px){
  .sidebar{margin-top:0;position:sticky;top:112px}
}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:22px 20px;
  margin-bottom:20px;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:800;letter-spacing:.4px;
  margin-bottom:14px;color:var(--c-primary);
}
.side-title::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--c-lime)}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:15px;
}
.side-links li:last-child a{border-bottom:0}
.side-links a:hover{color:var(--c-accent);transform:translateX(2px)}
.side-links a i{font-size:12px;color:var(--c-muted)}
.side-note{
  background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border-radius:var(--r-card);
  padding:22px 20px;
  color:var(--c-dark-text);
  border:1px solid rgba(217,242,79,.14);
}
.side-note h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:8px}
.side-note p{font-size:14px;line-height:1.7;color:#C6D6CC;margin-bottom:14px}
.side-note .btn{width:100%}

/* ---------- related ---------- */
.related{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{font-size:clamp(24px,3.6vw,34px);font-weight:700;line-height:1.25}
.section-head h2 span{color:var(--c-accent)}
.section-head .more-link{font-size:14.5px;font-weight:700;color:var(--c-primary);border-bottom:2px solid rgba(255,106,19,.5);padding-bottom:2px}
.section-head .more-link:hover{color:var(--c-accent)}
.news-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  height:100%;
  transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-thumb{position:relative;padding-top:62.5%;overflow:hidden;background:var(--c-surface-2)}
.news-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 1px rgba(12,59,44,.08)}
.news-thumb .badge{position:absolute;top:12px;left:12px;z-index:2;background:var(--c-accent);color:#fff;box-shadow:0 4px 10px rgba(12,59,44,.2)}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:8px}
.news-card:hover h3{color:var(--c-accent)}
.news-body p{font-size:14.5px;color:var(--c-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums;border-top:1px dashed var(--c-line);padding-top:12px}
.news-foot span i{margin-right:6px}
.news-foot em{font-style:normal;font-weight:700;color:var(--c-primary)}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  padding:56px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  align-items:center;
}
@media screen and (min-width:1024px){
  .cta-inner{grid-template-columns:1.15fr .85fr;gap:48px}
}
.cta-band h2{color:#fff;font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.28;margin-bottom:16px}
.check-list{display:grid;gap:10px}
.check-list li{display:flex;align-items:flex-start;gap:10px;color:#D6E3DA;font-size:15.5px;line-height:1.7}
.check-list i{color:var(--c-lime);margin-top:6px;font-size:13px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media screen and (min-width:1024px){
  .cta-actions{justify-content:flex-end}
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-primary);
  color:#C6D6CC;
  padding:56px 0 26px;
  margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media screen and (min-width:640px){
  .foot-grid{grid-template-columns:repeat(2,1fr)}
}
@media screen and (min-width:1024px){
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:17px;margin-bottom:12px}
.foot-brand .brand__mark{background:rgba(217,242,79,.14);color:var(--c-lime);border:1px solid rgba(217,242,79,.3)}
.site-footer p{font-size:14.5px;line-height:1.8}
.foot-title{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:800;color:#fff;letter-spacing:.4px;margin-bottom:14px;
}
.foot-title::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--c-lime)}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:14.5px;display:inline-block}
.foot-links a:hover{color:var(--c-lime);transform:translateX(2px)}
.foot-info li{font-size:14.5px;margin-bottom:10px;display:flex;gap:9px;align-items:flex-start;line-height:1.7}
.foot-info i{color:var(--c-lime);margin-top:6px;font-size:13px}
.foot-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(234,240,236,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:#9FB5A8;
}

/* ---------- responsive nav ---------- */
@media screen and (max-width:1023px){
  .nav-card{padding:10px 12px;gap:12px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    display:none;
    flex:1 0 100%;
    order:3;
    padding-top:12px;
    border-top:1px dashed var(--c-line);
    margin-top:12px;
  }
  .nav-links.is-open{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
  .nav-item{justify-content:flex-start;background:var(--c-surface-2);border-color:var(--c-line)}
  .nav-right{margin-left:auto}
  .brand__text{font-size:15.5px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .article-hero{padding:38px 0 42px}
  .article-layout{padding:36px 0 48px}
  .article-card{padding:24px 18px}
  .cta-band{padding:44px 0}
  .site-footer{padding:44px 0 22px}
  .btn--lg{padding:12px 22px;font-size:15px}
  .cta-actions .btn{flex:1 1 100%}
}

/* roulang page: category1 */
:root{
  --c-ink:#0F1A16;
  --c-primary:#0C3B2C;
  --c-primary-deep:#072A1F;
  --c-accent:#FF6A13;
  --c-accent-deep:#E2550A;
  --c-accent-text:#C24A05;
  --c-accent-soft:#FFE7D6;
  --c-lime:#D9F24F;
  --c-bg:#F4F2EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FAF9F5;
  --c-line:#E3DFD4;
  --c-muted:#6B7269;
  --c-dark-text:#EAF0EC;
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,59,44,.06);
  --sh-2:0 10px 24px rgba(12,59,44,.12);
  --ease:160ms ease-out;
  --sp:96px;
}
@media (max-width:1023px){:root{--sp:72px}}
@media (max-width:639px){:root{--sp:56px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--c-accent)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
h2{margin-top:1.8em}
h2:first-child,h3:first-child{margin-top:0}
ul,ol{margin:0;padding:0}
ul{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}

.grid-container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media screen and (min-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(244,242,236,.94);
  backdrop-filter:blur(8px);
  padding-top:14px;
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 24px rgba(12,59,44,.10);background:rgba(244,242,236,.98)}
.nav-card{
  position:relative;z-index:70;
  display:flex;align-items:center;gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:10px 16px;
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;position:relative;z-index:75}
.brand__mark{
  width:38px;height:38px;border-radius:10px;flex:0 0 auto;
  background:var(--c-primary);color:var(--c-lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.brand__text{font-weight:800;font-size:17px;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:8px;flex:1 1 auto}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--c-muted);
  border:1px solid transparent;white-space:nowrap;
}
.nav-item i{font-size:13px;opacity:.9}
.nav-item:hover{background:var(--c-surface-2);color:var(--c-primary);border-color:var(--c-line)}
.nav-item.is-active{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.nav-item.is-active:hover{background:var(--c-accent-deep);color:#fff}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;position:relative;z-index:75}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);
  align-items:center;justify-content:center;transition:all var(--ease);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-surface-2)}
.track-line{
  height:3px;margin-top:10px;
  background-image:repeating-linear-gradient(90deg,var(--c-line) 0 18px,transparent 18px 32px);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;line-height:1;padding:12px 24px;
  cursor:pointer;transition:all var(--ease);
}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 4px 12px rgba(255,106,19,.26)}
.btn--accent:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-2px)}
.btn--accent:active{transform:translateY(1px);box-shadow:none}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--lime{background:var(--c-lime);color:var(--c-primary-deep)}
.btn--lime:hover{background:#cbe639;color:var(--c-primary-deep);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}

/* ---------- badges & labels ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  border-radius:6px;font-size:12px;font-weight:700;
  padding:4px 10px;line-height:1.6;white-space:nowrap;
}
.badge--accent{background:var(--c-accent-soft);color:var(--c-accent-text)}
.badge--live{background:var(--c-accent);color:#fff}
.badge--dark{background:var(--c-primary);color:var(--c-lime)}
.badge--muted{background:var(--c-surface-2);color:var(--c-muted);border:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- sections ---------- */
.section{padding-top:var(--sp)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.sec-kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-accent);
  letter-spacing:.16em;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.sec-title{margin:0;font-size:clamp(24px,3.6vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.sec-sub{margin:10px 0 0;color:var(--c-muted);font-size:15px;line-height:1.75;max-width:660px}
.link-more{font-size:14px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--c-accent);gap:9px}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;margin-top:24px;border-radius:20px;overflow:hidden;
  background:var(--c-primary);min-height:360px;display:flex;align-items:flex-end;
}
.page-banner__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;opacity:.46;
}
.page-banner__scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,42,31,.38) 0%,rgba(7,42,31,.90) 100%);
}
.page-banner__inner{position:relative;padding:38px 28px 34px;color:var(--c-dark-text);width:100%}
@media (min-width:1024px){.page-banner__inner{padding:52px 44px 44px}}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(234,240,236,.72);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(234,240,236,.82)}
.crumb a:hover{color:var(--c-lime)}
.crumb .sep{opacity:.55}
.crumb .current{color:var(--c-lime);font-weight:600}
.page-banner h1{
  color:#fff;font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.22;
  letter-spacing:-.015em;max-width:860px;
}
.page-banner__lead{margin:16px 0 0;color:rgba(234,240,236,.88);font-size:17px;max-width:700px;line-height:1.75}
.page-banner .tag-row{margin-top:22px}

/* ---------- stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.stat-num{
  display:block;font-size:clamp(30px,4vw,42px);font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1;
}
.stat-label{display:block;margin-top:6px;font-size:15px;font-weight:700;color:var(--c-ink)}
.stat-card p{margin:8px 0 0;font-size:14px;color:var(--c-muted);line-height:1.7}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:11px;top:14px;bottom:14px;width:2px;
  background-image:repeating-linear-gradient(180deg,var(--c-line) 0 10px,transparent 10px 20px);
}
.tl-item{position:relative;margin-bottom:20px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:28px;
  width:14px;height:14px;border-radius:50%;
  background:var(--c-surface);border:3px solid var(--c-primary);
  box-shadow:0 0 0 4px var(--c-bg);
}
.tl-item.is-live::before{border-color:var(--c-accent)}
.tl-card{
  display:grid;grid-template-columns:126px 1fr 190px;gap:24px;align-items:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d6d1c2}
.tl-date{display:flex;flex-direction:column;gap:2px}
.tl-day{font-size:26px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1}
.tl-week{font-size:13px;color:var(--c-muted);letter-spacing:.06em}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tl-head h3{font-size:20px;font-weight:700;line-height:1.4}
.tl-body p{margin:10px 0 12px;font-size:15px;color:var(--c-muted);line-height:1.75}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 18px}
.tl-meta li{font-size:13px;color:var(--c-muted);display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.tl-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto}
.tl-action{display:flex;flex-direction:column;align-items:stretch;gap:10px}
.tl-action .link-more{justify-content:center;font-size:13px}

/* ---------- step rows ---------- */
.step-row{
  display:grid;grid-template-columns:92px 1fr 240px;gap:26px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);margin-bottom:20px;transition:all var(--ease);
}
.step-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-row:nth-child(even){margin-left:40px}
.step-num{
  width:76px;height:76px;border-radius:14px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-lime);font-size:26px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.step-body h3{font-size:20px;font-weight:700;margin-bottom:6px}
.step-body p{margin:0;font-size:15px;color:var(--c-muted);line-height:1.75}
.step-note{
  border-left:3px solid var(--c-accent);padding-left:14px;
  font-size:13px;color:var(--c-muted);line-height:1.7;
}

/* ---------- group cards ---------- */
.group-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all var(--ease);height:100%;
  display:flex;flex-direction:column;
}
.group-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.group-card__media{position:relative;aspect-ratio:16/10;overflow:hidden}
.group-card__media img{width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 1px rgba(12,59,44,.08);transition:transform 200ms ease-out}
.group-card:hover .group-card__media img{transform:scale(1.03)}
.group-card__media .badge{position:absolute;left:14px;top:14px;box-shadow:0 2px 8px rgba(12,59,44,.18)}
.group-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.group-card__body h3{font-size:20px;font-weight:700}
.group-card__body p{margin:0;font-size:15px;color:var(--c-muted);line-height:1.75}
.group-card .check-list{margin-top:auto}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-ink);margin-bottom:8px;line-height:1.7}
.check-list li:last-child{margin-bottom:0}
.check-list i{color:var(--c-accent);margin-top:5px;font-size:12px}
.group-card.is-offset{margin-top:34px}

/* ---------- FAQ accordion ---------- */
.accordion{background:transparent;border:none;border-radius:0;margin:0}
.accordion .accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.accordion .accordion-item:hover{border-color:#d6d1c2}
.accordion .accordion-title{
  display:block;position:relative;
  padding:18px 44px 18px 34px;background:var(--c-surface);border:none;
  font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.65;
}
.accordion .accordion-title:hover{background:var(--c-surface-2);color:var(--c-primary)}
.accordion .accordion-title::before{
  content:"" !important;position:absolute;left:16px;top:50%;
  transform:translateY(-50%);width:4px;height:22px;border-radius:2px;
  background:var(--c-accent);margin:0;font-size:0;line-height:0;
}
.accordion .accordion-item.is-active > .accordion-title::before{background:var(--c-lime)}
.accordion .accordion-title::after{
  content:"";position:absolute;right:20px;top:50%;
  width:8px;height:8px;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--ease);
}
.accordion .accordion-item.is-active > .accordion-title::after{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--c-accent)
}
.accordion .accordion-content{
  display:none;padding:0 24px 20px 34px;border:none;background:var(--c-surface);
  color:var(--c-muted);font-size:15px;line-height:1.8;
}
.accordion .accordion-item.is-active > .accordion-content{display:block}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border:1px solid rgba(217,242,79,.14);
  border-radius:20px;padding:32px 24px;color:var(--c-dark-text);
}
@media (min-width:1024px){.cta-band{padding:48px 44px}}
.cta-band h2{color:#fff;font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.28;margin:0 0 14px}
.cta-band p{color:rgba(234,240,236,.84);font-size:16px;line-height:1.8}
.cta-band .kicker-lime{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-lime);
  letter-spacing:.16em;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.cta-band .check-list li{color:rgba(234,240,236,.92)}
.cta-band .check-list i{color:var(--c-lime)}
.form-card{
  background:var(--c-surface);border-radius:var(--r-card);padding:24px;
  box-shadow:0 18px 40px rgba(3,20,14,.28);color:var(--c-ink);
}
.form-card__title{font-size:18px;font-weight:700;margin:0 0 4px}
.form-card__sub{font-size:13px;color:var(--c-muted);margin:0 0 18px;line-height:1.7}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  padding:0 14px;background:#fff;color:var(--c-ink);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder{color:#a7aca4}
.field input:focus,.field select:focus{
  outline:2px solid var(--c-accent);outline-offset:1px;
  border-color:var(--c-accent);
}
.field.has-error input,.field.has-error select{border-color:#C0392B}
.field__msg{display:block;min-height:16px;margin-top:5px;font-size:12px;color:#C0392B}
.form-note{margin:12px 0 0;font-size:12px;color:var(--c-muted);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sp);background:var(--c-primary);color:var(--c-dark-text);
  padding:64px 0 24px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;margin-bottom:14px}
.foot-brand .brand__mark{background:rgba(217,242,79,.14);color:var(--c-lime)}
.site-footer p{color:rgba(234,240,236,.74);font-size:14px;line-height:1.8;margin:0}
.foot-title{
  position:relative;padding-left:16px;margin:0 0 16px;
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;
}
.foot-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:9px;height:2px;background:var(--c-lime)}
.foot-links li{margin-bottom:10px}
.foot-links a{display:inline-block;font-size:14px;color:rgba(234,240,236,.78);transition:color var(--ease),transform var(--ease)}
.foot-links a:hover{color:var(--c-lime);transform:translateX(2px)}
.foot-info li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:rgba(234,240,236,.78);margin-bottom:10px;line-height:1.7}
.foot-info i{color:var(--c-lime);margin-top:5px;font-size:12px}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(217,242,79,.16);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,240,236,.6);line-height:1.7;
}

/* ---------- empty state ---------- */
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:44px 24px;text-align:center;color:var(--c-muted);
}
.empty-state i{font-size:26px;color:var(--c-accent);margin-bottom:12px;display:block}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:fixed;left:0;right:0;top:0;bottom:0;z-index:60;
    padding:96px 20px 32px;margin:0;overflow:auto;
    background:rgba(244,242,236,.985);
    flex-wrap:wrap;align-content:flex-start;gap:12px;
  }
  .nav-links.is-open{display:flex}
  .nav-item{
    width:calc(50% - 6px);justify-content:flex-start;
    background:var(--c-surface);border:1px solid var(--c-line);
    padding:16px 14px;font-size:15px;
  }
  .nav-item.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
  .stat-strip{grid-template-columns:1fr}
  .tl-card{grid-template-columns:1fr;gap:16px}
  .tl-date{flex-direction:row;align-items:baseline;gap:10px}
  .step-row{grid-template-columns:76px 1fr;gap:18px}
  .step-row:nth-child(even){margin-left:0}
  .step-note{grid-column:1 / -1}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .group-card.is-offset{margin-top:0}
}
@media (max-width:639px){
  .brand__text{font-size:15px}
  .page-banner__inner{padding:28px 20px 26px}
  .timeline{padding-left:30px}
  .timeline::before{left:7px}
  .tl-item::before{left:-29px;top:24px}
  .step-row{grid-template-columns:1fr;padding:20px}
  .step-num{width:60px;height:60px;font-size:20px;border-radius:12px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:6px}
  .cta-band{padding:26px 18px}
  .form-card{padding:20px}
}

/* roulang page: category2 */
:root{
  --c-ink:#0F1A16;
  --c-primary:#0C3B2C;
  --c-primary-deep:#072A1F;
  --c-accent:#FF6A13;
  --c-accent-soft:#FFE7D6;
  --c-lime:#D9F24F;
  --c-bg:#F4F2EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FAF9F5;
  --c-line:#E3DFD4;
  --c-muted:#6B7269;
  --c-dark-text:#EAF0EC;
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,59,44,.06);
  --sh-2:0 10px 24px rgba(12,59,44,.12);
  --t:160ms ease-out;
  --gap-section:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:0;}
h1{font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.22;}
h2{font-size:clamp(24px,3.6vw,36px);font-weight:700;line-height:1.25;}
h3{font-size:21px;font-weight:700;line-height:1.35;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}
.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;}
.grid-container.full{max-width:100%;}
@media (min-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px;}
}
section{position:relative;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-bg);
  padding-top:14px;
  box-shadow:0 6px 18px rgba(12,59,44,.06);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:12px 18px;
  box-shadow:var(--sh-1);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-ink);
}
.brand:hover{color:var(--c-ink);}
.brand__mark{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);
  color:var(--c-lime);
  font-weight:800;
  font-size:15px;
  letter-spacing:.04em;
  border-radius:10px;
  font-variant-numeric:tabular-nums;
}
.brand__text{
  font-weight:800;
  font-size:16.5px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 14px;
  border-radius:12px;
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  white-space:nowrap;
}
.nav-item i{font-size:13px;color:var(--c-primary);}
.nav-item:hover{background:#fff;border-color:#c9dbd1;transform:translateY(-2px);color:var(--c-ink);}
.nav-item.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.nav-item.is-active i{color:#fff;}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
  color:var(--c-primary);
  cursor:pointer;
}
.track-line{
  height:3px;
  margin:10px 0 0;
  background-image:repeating-linear-gradient(90deg,rgba(12,59,44,.28) 0 16px,transparent 16px 30px);
  border-radius:2px;
}
/* 倒计时条 */
.countdown-bar{
  margin:12px 0 0;
  background:linear-gradient(90deg,var(--c-primary),var(--c-primary-deep));
  border-radius:14px;
  padding:12px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  border:1px solid rgba(217,242,79,.16);
}
.cd-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.cd-label{
  font-size:13px;
  color:var(--c-lime);
  border:1px solid rgba(217,242,79,.45);
  border-radius:6px;
  padding:3px 9px;
  letter-spacing:.05em;
}
.cd-clock{
  display:inline-flex;
  align-items:center;
  color:var(--c-lime);
  font-weight:800;
  font-size:clamp(18px,3vw,26px);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  line-height:1;
}
.cd-sep{opacity:.55;margin:0 4px;}
.countdown-bar.is-over{background:#59595a;border-color:rgba(255,255,255,.16);}
.countdown-bar.is-over .cd-label,
.countdown-bar.is-over .cd-clock{color:#E4E4E4;}
.countdown-bar.is-over .btn{pointer-events:none;opacity:.6;}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-weight:700;
  font-size:15px;
  padding:13px 26px;
  cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,19,.24);}
.btn--accent:hover{background:#E85C09;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,106,19,.3);}
.btn--accent:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,106,19,.24);}
.btn--ghost{background:transparent;border-color:rgba(12,59,44,.3);color:var(--c-primary);}
.btn--ghost:hover{border-color:var(--c-primary);background:rgba(12,59,44,.06);color:var(--c-primary);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(1px);}
.btn--light{background:rgba(255,255,255,.12);border-color:rgba(234,240,236,.35);color:var(--c-dark-text);}
.btn--light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:13.5px;}
.btn--block{width:100%;}
.btn:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:6px;
  padding:5px 11px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.03em;
  background:var(--c-accent-soft);
  color:#B9480A;
}
.badge--dark{background:var(--c-primary);color:var(--c-lime);}
.badge--line{background:transparent;border:1px solid rgba(12,59,44,.22);color:var(--c-primary);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 通用板块 ============ */
.section{padding:var(--gap-section) 0;}
.section--tight{padding-top:64px;}
.section-head{margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";
  width:22px;height:2px;background:var(--c-accent);border-radius:2px;
}
.section-head p{color:var(--c-muted);max-width:760px;margin-top:12px;margin-bottom:0;}
.section-head h2 + p{margin-top:12px;}

/* ============ 面包屑 + 首屏 banner ============ */
.page-banner{
  position:relative;
  margin:26px 0 0;
  border-radius:var(--r-card);
  overflow:hidden;
  min-height:340px;
  display:flex;
  align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border:1px solid var(--c-line);
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(7,42,31,.94) 0%,rgba(7,42,31,.8) 46%,rgba(7,42,31,.42) 100%);
}
.page-banner__inner{
  position:relative;
  z-index:2;
  padding:44px 40px 40px;
  max-width:760px;
  color:var(--c-dark-text);
}
.page-banner__inner h1{color:#fff;}
.page-banner__inner h1 .hl{color:var(--c-lime);}
.page-banner__inner p{color:rgba(234,240,236,.86);margin-top:16px;margin-bottom:22px;font-size:17px;}
.page-banner__inner .tag-row{margin-top:6px;}
.page-banner .badge--dark{background:rgba(217,242,79,.16);color:var(--c-lime);border:1px solid rgba(217,242,79,.4);}
.breadcrumb{
  font-size:14px;
  color:var(--c-muted);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:20px;
  position:relative;
  z-index:2;
}
.breadcrumb a{color:var(--c-lime);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:rgba(234,240,236,.75);}
.seal{
  position:absolute;
  right:26px;
  bottom:26px;
  z-index:3;
  width:40px;height:40px;
  border-radius:6px;
  background:var(--c-accent);
  color:#fff;
  font-weight:800;
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;
  transform:rotate(-6deg);
}

/* ============ 指标条 ============ */
.metric-bar{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:-38px;
  position:relative;
  z-index:5;
}
.metric{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.metric__num{
  font-size:38px;
  font-weight:800;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  letter-spacing:.02em;
}
.metric__num span{font-size:16px;color:var(--c-muted);font-weight:700;margin-left:4px;}
.metric__label{font-size:14.5px;font-weight:700;margin-top:6px;}
.metric__desc{font-size:13.5px;color:var(--c-muted);line-height:1.65;margin:6px 0 0;}

/* ============ 步骤条 ============ */
.steps{display:flex;flex-direction:column;gap:22px;}
.step{
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr 300px;
  gap:24px;
  align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step::before{
  content:"";
  position:absolute;
  left:-13px;
  top:50%;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-bg);
  border:2px dashed rgba(12,59,44,.25);
  transform:translateY(-50%);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#cfdcd4;}
.step:nth-child(1){margin-left:0;}
.step:nth-child(2){margin-left:26px;}
.step:nth-child(3){margin-left:52px;}
.step:nth-child(4){margin-left:78px;}
.step:nth-child(5){margin-left:104px;}
.step__num{
  width:96px;height:96px;
  border-radius:14px;
  background:linear-gradient(160deg,var(--c-primary),var(--c-primary-deep));
  color:var(--c-lime);
  display:flex;align-items:center;justify-content:center;
  font-size:38px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  border:1px solid rgba(217,242,79,.16);
  flex:0 0 auto;
}
.step__body h3{margin-bottom:8px;}
.step__body p{color:var(--c-muted);font-size:15.5px;margin-bottom:10px;}
.tick-list{display:flex;flex-direction:column;gap:6px;}
.tick-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--c-ink);
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:10px;height:10px;
  border-radius:3px;
  background:var(--c-accent-soft);
  border:1px solid var(--c-accent);
}
.step__shot{
  position:relative;
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
  aspect-ratio:16/10;
}
.step__shot img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.step__shot:hover img{transform:scale(1.03);}
.step__shot figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:7px 12px;
  font-size:12.5px;
  color:#fff;
  background:linear-gradient(0deg,rgba(7,42,31,.85),rgba(7,42,31,0));
}
.param-box{
  border-radius:var(--r-sm);
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
  padding:16px 18px;
}
.param-box dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:14px;}
.param-box dt{color:var(--c-muted);}
.param-box dd{margin:0;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}

/* ============ 提示卡 ============ */
.tip-card{
  margin-top:36px;
  display:grid;
  grid-template-columns:64px 1fr auto;
  gap:20px;
  align-items:center;
  background:linear-gradient(90deg,rgba(255,231,214,.85),rgba(255,231,214,.35));
  border:1px solid #F6C9A5;
  border-left:5px solid var(--c-accent);
  border-radius:var(--r-card);
  padding:22px 26px;
}
.tip-card__icon{
  width:56px;height:56px;
  border-radius:12px;
  background:var(--c-accent);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
}
.tip-card h3{font-size:18px;margin-bottom:6px;}
.tip-card p{margin:0;font-size:14.5px;color:#5C4A3E;}

/* ============ 安全说明双栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.split__media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  aspect-ratio:16/10;
  position:relative;
}
.split__media img{width:100%;height:100%;object-fit:cover;}
.split__media .cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:10px 14px;
  background:linear-gradient(0deg,rgba(7,42,31,.86),rgba(7,42,31,0));
  color:#fff;font-size:13px;
}
.num-list{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.num-list__item{display:grid;grid-template-columns:44px 1fr;gap:16px;}
.num-list__idx{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--c-primary);
  color:var(--c-lime);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
}
.num-list__item h3{font-size:17px;margin-bottom:4px;}
.num-list__item p{margin:0;font-size:14.5px;color:var(--c-muted);}

/* ============ FAQ ============ */
.faq-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:8px 20px;}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{border:none;border-bottom:1px dashed var(--c-line);}
.accordion .accordion-item:last-child{border-bottom:none;}
.accordion .accordion-title{
  position:relative;
  border:none;
  padding:18px 34px 18px 18px;
  font-size:16px;
  font-weight:700;
  color:var(--c-ink);
  background:transparent;
  line-height:1.5;
}
.accordion .accordion-title::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:4px;height:22px;
  border-radius:2px;
  background:var(--c-accent);
  transition:background-color var(--t),height var(--t);
}
.accordion .accordion-title::after{
  content:"\f0da";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:14px;top:50%;
  transform:translateY(-50%);
  color:var(--c-muted);
  font-size:13px;
  transition:transform var(--t),color var(--t);
}
.accordion .accordion-item.is-active > .accordion-title::before{background:var(--c-lime);height:28px;}
.accordion .accordion-item.is-active > .accordion-title::after{transform:translateY(-50%) rotate(90deg);color:var(--c-accent);}
.accordion .accordion-title:hover{background:rgba(12,59,44,.03);}
.accordion .accordion-content{
  border:none;
  border-top:1px dashed var(--c-line);
  padding:14px 18px 20px 18px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-muted);
  background:transparent;
}
.accordion .accordion-content a{color:var(--c-accent);font-weight:700;}

/* ============ CTA 表单区 ============ */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border-radius:24px;
  padding:52px 44px;
  display:grid;
  grid-template-columns:1fr 420px;
  gap:40px;
  align-items:center;
  border:1px solid rgba(217,242,79,.14);
}
.cta-band__text h2{color:#fff;}
.cta-band__text p{color:rgba(234,240,236,.82);margin-top:14px;}
.cta-band__text a{color:var(--c-lime);}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:22px;}
.check-list li{
  position:relative;
  padding-left:28px;
  color:var(--c-dark-text);
  font-size:15px;
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:1px;
  color:var(--c-lime);
  font-size:13px;
}
.form-card{
  background:var(--c-surface);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:0 18px 40px rgba(0,0,0,.24);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--c-muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;}
.field input,
.field select{
  width:100%;
  height:48px;
  border-radius:var(--r-sm);
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
  padding:0 14px;
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field input:hover,.field select:hover{border-color:#c9dbd1;}
.field input:focus,.field select:focus{
  outline:none;
  background:#fff;
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(255,106,19,.18);
}
.field.has-error input,.field.has-error select{border-color:#D8432B;background:#FFF6F4;}
.field .err{display:none;font-size:12.5px;color:#D8432B;margin-top:6px;}
.field.has-error .err{display:block;}
.privacy{font-size:12.5px;color:var(--c-muted);margin:12px 0 0;text-align:center;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--gap-section);
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  color:var(--c-dark-text);
  padding:64px 0 26px;
  border-top:3px solid rgba(217,242,79,.2);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  margin-bottom:14px;
  color:#fff;
}
.foot-brand .brand__mark{background:rgba(217,242,79,.14);border:1px solid rgba(217,242,79,.4);}
.foot-grid p{color:rgba(234,240,236,.72);font-size:14px;line-height:1.8;}
.foot-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-bottom:16px;
}
.foot-title::before{
  content:"";
  width:16px;height:2px;
  background:var(--c-lime);
  border-radius:2px;
}
.foot-links,.foot-info{display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:rgba(234,240,236,.78);font-size:14.5px;display:inline-block;transition:color var(--t),transform var(--t);}
.foot-links a:hover{color:var(--c-lime);transform:translateX(2px);}
.foot-info li{color:rgba(234,240,236,.78);font-size:14.5px;display:flex;gap:9px;align-items:flex-start;}
.foot-info i{color:var(--c-lime);margin-top:5px;font-size:13px;}
.foot-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(234,240,236,.16);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(234,240,236,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--gap-section:72px;}
  .nav-links{
    position:absolute;
    left:0;right:0;top:calc(100% + 10px);
    display:none;
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding:16px;
    background:rgba(244,242,236,.98);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-2);
    backdrop-filter:blur(6px);
  }
  .nav-links.is-open{display:grid;}
  .nav-item{justify-content:flex-start;font-size:14px;padding:12px 14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-card{position:relative;padding:11px 14px;}
  .brand__text{font-size:15px;}
  .step{grid-template-columns:80px 1fr;gap:18px;}
  .step__num{width:80px;height:80px;font-size:30px;}
  .step__shot,.step .param-box{grid-column:1 / -1;}
  .step:nth-child(n){margin-left:0;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--gap-section:56px;}
  body{font-size:16px;}
  .metric-bar{grid-template-columns:1fr;margin-top:22px;}
  .split{grid-template-columns:1fr;gap:24px;}
  .page-banner__inner{padding:32px 24px 28px;}
  .seal{right:16px;bottom:16px;}
  .tip-card{grid-template-columns:1fr;gap:14px;padding:20px;}
  .step{grid-template-columns:1fr;gap:14px;padding:20px;}
  .step::before{display:none;}
  .step__num{width:64px;height:64px;font-size:26px;border-radius:12px;}
  .faq-wrap{padding:4px 12px;}
  .accordion .accordion-title{font-size:15px;padding:16px 30px 16px 14px;}
  .cta-band{padding:32px 20px;border-radius:18px;}
  .form-card{padding:22px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .countdown-bar{flex-direction:column;align-items:flex-start;gap:10px;}
  .cd-clock{font-size:22px;}
}

/* roulang page: category3 */
:root{
  --c-ink:#0F1A16;
  --c-primary:#0C3B2C;
  --c-primary-deep:#072A1F;
  --c-accent:#FF6A13;
  --c-accent-soft:#FFE7D6;
  --c-lime:#D9F24F;
  --c-bg:#F4F2EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FAF9F5;
  --c-line:#E3DFD4;
  --c-muted:#6B7269;
  --c-dark-text:#EAF0EC;
  --r-card:16px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(12,59,44,.06);
  --sh-2:0 10px 24px rgba(12,59,44,.12);
  --t:160ms ease-out;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background var(--t),transform var(--t)}
a:hover{color:var(--c-accent)}
p{margin:0 0 1.15em}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:.005em}
h1{font-size:clamp(28px,5vw,48px);line-height:1.22}
h2{font-size:clamp(24px,3.6vw,36px);line-height:1.25;font-weight:700}
h3{font-size:21px;font-weight:700;line-height:1.4}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}

/* ---------- 容器 ---------- */
.grid-container{max-width:1200px!important;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px}
}
.sec{padding:var(--sec) 0}
.sec--tight{padding:72px 0}
@media (max-width:1023px){
  :root{--sec:72px}
}
@media (max-width:640px){
  :root{--sec:56px}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-bg);
  padding-top:14px;
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 8px 20px rgba(12,59,44,.10)}
.site-header.is-scrolled .nav-card{background:rgba(255,255,255,.94);backdrop-filter:blur(6px)}
.nav-card{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:11px 16px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-sm);
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:var(--c-lime);font-weight:800;font-size:15px;letter-spacing:.06em;
}
.brand__text{font-weight:800;font-size:16px;color:var(--c-ink);white-space:nowrap}
.brand:hover .brand__text{color:var(--c-accent)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface-2);border:1px solid transparent;
  transition:background var(--t),color var(--t),transform var(--t),border-color var(--t);
}
.nav-item i{font-size:14px;color:var(--c-primary);transition:color var(--t)}
.nav-item:hover{background:var(--c-accent-soft);color:#8A3400;transform:translateY(-1px)}
.nav-item:hover i{color:var(--c-accent)}
.nav-item.is-active{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.nav-item.is-active i{color:#fff}
.nav-item:active{transform:translateY(1px)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-surface-2);color:var(--c-ink);
}
.nav-toggle:hover{background:var(--c-accent-soft);color:#8A3400}
.track-line{
  height:4px;margin-top:8px;border-radius:2px;opacity:.55;
  background-image:repeating-linear-gradient(90deg,var(--c-accent) 0 16px,transparent 16px 34px);
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .brand__text{font-size:14px}
  .nav-links{
    position:fixed;top:0;left:0;right:0;bottom:0;
    display:none;grid-template-columns:1fr 1fr;gap:12px;
    align-content:start;margin:0;padding:96px 20px 24px;
    background:var(--c-bg);z-index:90;overflow-y:auto;
  }
  .nav-links.is-open{display:grid}
  .nav-item{
    flex-direction:column;justify-content:center;gap:8px;
    padding:20px 10px;font-size:15px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  }
  .nav-item i{font-size:20px}
  .nav-links.is-open ~ .nav-right{position:relative;z-index:95}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;line-height:1;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 14px rgba(255,106,19,.24)}
.btn--accent:hover{background:#E85B06;color:#fff;transform:translateY(-2px)}
.btn--accent:active{transform:translateY(1px);box-shadow:0 2px 6px rgba(255,106,19,.22)}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.btn--ghost-light{background:transparent;color:var(--c-dark-text);border-color:rgba(234,240,236,.5)}
.btn--ghost-light:hover{background:var(--c-lime);color:var(--c-primary-deep);border-color:var(--c-lime)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{background:#B9BEB6;color:#F2F1EC;box-shadow:none;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:6px;
  font-size:13px;font-weight:700;line-height:1.4;
  background:var(--c-accent-soft);color:#8A3400;
}
.badge--dark{background:rgba(12,59,44,.92);color:var(--c-lime)}
.badge--line{background:transparent;color:var(--c-primary);border:1px solid var(--c-line)}
.badge--on-dark{background:rgba(217,242,79,.14);color:var(--c-lime);border:1px solid rgba(217,242,79,.34)}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:22px 0 0}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-accent)}
.crumb span.sep{color:rgba(107,114,105,.6)}
.crumb .current{color:var(--c-ink);font-weight:700}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  margin-top:16px;border-radius:20px;
  background:var(--c-primary) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:var(--c-dark-text);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,42,31,.94) 0%,rgba(7,42,31,.82) 46%,rgba(7,42,31,.5) 100%);
}
.page-banner::after{
  content:"";position:absolute;right:-90px;bottom:-70px;width:280px;height:280px;
  border:14px solid rgba(217,242,79,.14);border-radius:50%;
}
.banner-inner{position:relative;z-index:2;padding:56px 40px 60px;max-width:820px}
.banner-inner h1{color:#fff;margin-bottom:16px}
.banner-inner h1 em{
  font-style:normal;display:block;
  font-size:clamp(15px,2vw,18px);font-weight:700;letter-spacing:.22em;
  color:var(--c-lime);margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.banner-sub{color:rgba(234,240,236,.9);font-size:17px;max-width:620px;margin-bottom:22px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px}
@media (max-width:640px){
  .banner-inner{padding:38px 22px 42px}
}

/* ---------- 指标条 ---------- */
.metrics-wrap{margin-top:-34px;position:relative;z-index:5}
.metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden;
}
.metric{padding:26px 26px 24px;border-right:1px dashed var(--c-line)}
.metric:last-child{border-right:0}
.metric__num{
  font-size:clamp(30px,4.4vw,42px);font-weight:800;line-height:1.1;
  color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.01em;
  display:flex;align-items:baseline;gap:6px;
}
.metric__num small{font-size:15px;font-weight:700;color:var(--c-accent)}
.metric__label{font-weight:700;font-size:15px;margin-top:8px}
.metric__desc{font-size:13.5px;color:var(--c-muted);line-height:1.65;margin:4px 0 0}
@media (max-width:900px){
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px dashed var(--c-line)}
  .metric:last-child{border-bottom:0}
}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:42px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--c-accent);
  margin-bottom:12px;text-transform:uppercase;
}
.sec-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--c-accent)}
.sec-head p{color:var(--c-muted);font-size:16px;margin:12px 0 0}

/* ---------- 权益卡（两列错高） ---------- */
.benefit-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.benefit-col{display:flex;flex-direction:column;gap:24px}
.benefit-col--offset{margin-top:46px}
.benefit-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.benefit-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.benefit-card__media{position:relative;aspect-ratio:16/10;overflow:hidden}
.benefit-card__media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.benefit-card:hover .benefit-card__media img{transform:scale(1.03)}
.benefit-card__media .badge{position:absolute;left:14px;top:14px}
.benefit-card__body{padding:22px 22px 24px}
.benefit-card__body h3{margin-bottom:10px}
.benefit-card__body p{color:var(--c-muted);font-size:15px;line-height:1.8;margin:0 0 14px}
.tick-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.tick-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--c-ink)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background:var(--c-accent);transform:rotate(45deg);
}
@media (max-width:900px){
  .benefit-cols{grid-template-columns:1fr}
  .benefit-col--offset{margin-top:0}
}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(12,59,44,.24)}
.scene-card i{font-size:22px;color:var(--c-accent);margin-bottom:14px;display:block}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{margin:0;color:var(--c-muted);font-size:14.5px;line-height:1.75}
@media (max-width:900px){.scene-grid{grid-template-columns:1fr}}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--c-surface-2);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px 20px 22px;
  transition:transform var(--t),box-shadow var(--t),background var(--t);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:var(--c-surface)}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:var(--c-lime);font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{margin:0;color:var(--c-muted);font-size:14.5px;line-height:1.75}
@media (max-width:1023px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.steps{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
@media (max-width:900px){.faq-cols{grid-template-columns:1fr}}
.accordion{border:0!important;background:transparent!important;margin:0}
.accordion .accordion-item{
  background:var(--c-surface)!important;border:1px solid var(--c-line)!important;
  border-radius:12px!important;margin-bottom:14px!important;overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t);
}
.accordion .accordion-item:hover{box-shadow:var(--sh-2)}
.accordion .accordion-title{
  position:relative;border:0!important;background:transparent!important;
  color:var(--c-ink)!important;font-size:15.5px!important;font-weight:700!important;
  padding:16px 46px 16px 20px!important;border-left:4px solid var(--c-accent)!important;
  transition:color var(--t),border-color var(--t),background var(--t);
}
.accordion .accordion-title:hover{background:var(--c-surface-2)!important;color:var(--c-primary)!important}
.accordion .accordion-title::before{
  content:""!important;position:absolute;right:20px;top:50%;
  width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;
  border-top:7px solid var(--c-muted);
  transform:translateY(-50%);transition:transform var(--t);margin:0!important;
}
.accordion .is-active>.accordion-title{border-left-color:var(--c-lime)!important;color:var(--c-primary)!important}
.accordion .is-active>.accordion-title::before{transform:translateY(-50%) rotate(180deg);border-top-color:var(--c-accent)}
.accordion .accordion-content{
  border:0!important;background:transparent!important;padding:2px 20px 18px 20px!important;
  color:var(--c-muted)!important;font-size:15px!important;line-height:1.85!important;
}

/* ---------- CTA / 表单 ---------- */
.cta-band{
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  border-radius:24px;padding:52px 44px;color:var(--c-dark-text);
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;top:-60px;width:220px;height:220px;
  border:12px solid rgba(217,242,79,.10);border-radius:50%;
}
.cta-band h2{color:#fff;margin-bottom:14px;position:relative;z-index:2}
.cta-band .lead{color:rgba(234,240,236,.86);font-size:16px;position:relative;z-index:2;margin-bottom:20px}
.cta-checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.cta-checks li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--c-dark-text)}
.cta-checks i{color:var(--c-lime);font-size:14px}
.form-card{
  background:var(--c-surface);border-radius:var(--r-card);padding:26px 24px 24px;
  box-shadow:0 18px 40px rgba(3,20,14,.32);position:relative;z-index:3;
}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-note{font-size:13.5px;color:var(--c-muted);margin:0 0 18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px;color:var(--c-ink)}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-surface-2);color:var(--c-ink);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:hover,.field select:hover{border-color:rgba(12,59,44,.3)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-accent);background:#fff;
  box-shadow:0 0 0 3px rgba(255,106,19,.18);
}
.field.has-error input,.field.has-error select{border-color:#C0392B;box-shadow:0 0 0 3px rgba(192,57,43,.12)}
.field .err{display:none;font-size:12.5px;color:#C0392B;margin-top:6px}
.field.has-error .err{display:block}
.privacy{font-size:12.5px;color:var(--c-muted);margin:12px 0 0;line-height:1.6}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:38px 22px;border-radius:20px}
}

/* ---------- 空态 ---------- */
.empty{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface-2);
  padding:42px 22px;text-align:center;
}
.empty i{font-size:26px;color:var(--c-muted);margin-bottom:12px;display:block}
.empty p{color:var(--c-muted);margin:0 0 14px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec);background:var(--c-primary);color:var(--c-dark-text);
  padding:64px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:#fff;margin-bottom:14px}
.site-footer p{color:rgba(234,240,236,.78);font-size:14.5px;line-height:1.8;margin:0}
.foot-title{
  color:#fff!important;font-size:14px!important;font-weight:700!important;
  margin-bottom:16px!important;position:relative;padding-left:14px;
}
.foot-title::before{content:"";position:absolute;left:0;top:9px;width:8px;height:3px;border-radius:2px;background:var(--c-lime)}
.foot-links,.foot-info{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-links a{color:rgba(234,240,236,.8);font-size:14.5px;display:inline-block}
.foot-links a:hover{color:var(--c-lime);transform:translateX(2px)}
.foot-info li{font-size:14.5px;color:rgba(234,240,236,.8);display:flex;gap:9px;align-items:flex-start}
.foot-info i{color:var(--c-lime);font-size:13px;margin-top:5px}
.foot-bottom{
  border-top:1px solid rgba(217,242,79,.16);margin-top:38px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(234,240,236,.62);
}
@media (max-width:1023px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.foot-grid{grid-template-columns:1fr;gap:28px}.foot-bottom{flex-direction:column}}

/* roulang page: category4 */
:root{
  --c-ink:#0F1A16;
  --c-primary:#0C3B2C;
  --c-primary-deep:#072A1F;
  --c-accent:#FF6A13;
  --c-accent-soft:#FFE7D6;
  --c-lime:#D9F24F;
  --c-bg:#F4F2EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FAF9F5;
  --c-line:#E3DFD4;
  --c-muted:#6B7269;
  --c-dark-text:#EAF0EC;
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,59,44,.06);
  --sh-2:0 10px 24px rgba(12,59,44,.12);
  --t:160ms ease-out;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",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-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  letter-spacing:.01em;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),transform var(--t)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-weight:800;line-height:1.22;letter-spacing:-.01em}
h2{font-weight:700;line-height:1.25}
h3{font-weight:700;font-size:21px;line-height:1.4}
p{line-height:1.8}
p + p{margin-top:1.15em}

/* 容器 */
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media screen and (min-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px}
}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--surface{background:var(--c-surface)}
.section--dark{background:linear-gradient(155deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);color:var(--c-dark-text)}
.section--dark a{color:var(--c-lime)}
.section--dark .muted{color:rgba(234,240,236,.66)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,3.6vw,36px)}
.sec-head p{margin-top:12px;color:var(--c-muted);max-width:640px;font-size:15.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-primary);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--c-accent)}
.section--dark .eyebrow{color:var(--c-lime)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1px solid transparent;background:var(--c-primary);color:#fff;
  font-weight:700;font-size:15.5px;cursor:pointer;
  transition:background-color var(--t),transform var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
}
.btn:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn--accent{background:var(--c-accent);color:#fff}
.btn--accent:hover{background:#E85C08}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn--ghost:hover{background:var(--c-surface-2);border-color:var(--c-primary);color:var(--c-primary)}
.btn--on-dark{background:transparent;border-color:rgba(217,242,79,.5);color:var(--c-lime)}
.btn--on-dark:hover{background:rgba(217,242,79,.12);color:var(--c-lime)}
.btn--sm{height:40px;padding:0 18px;font-size:14.5px}
.btn--block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* 徽章 / 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;font-size:12.5px;font-weight:700;line-height:1.5}
.badge--accent{background:var(--c-accent-soft);color:#B44A05}
.badge--primary{background:var(--c-primary);color:var(--c-lime)}
.badge--lime{background:var(--c-lime);color:var(--c-primary-deep)}
.badge--outline{background:rgba(255,255,255,.14);color:var(--c-dark-text);border:1px solid rgba(217,242,79,.35)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-bg);
  padding-top:16px;
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.is-stuck{background:rgba(244,242,236,.94);backdrop-filter:blur(8px);box-shadow:0 8px 22px rgba(12,59,44,.08)}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:12px 16px;
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--c-primary);color:var(--c-lime);
  font-weight:800;font-size:15px;letter-spacing:.04em;
}
.brand__text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:700;color:var(--c-muted);
  border:1px solid transparent;
}
.nav-item i{font-size:13px;opacity:.85}
.nav-item:hover{background:var(--c-surface-2);color:var(--c-primary);border-color:var(--c-line)}
.nav-item.is-active{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.nav-item.is-active i{opacity:1}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);
  cursor:pointer;
}
.nav-toggle:hover{background:var(--c-surface-2)}
.track-line{
  height:3px;margin-top:10px;
  background-image:repeating-linear-gradient(90deg,var(--c-primary) 0 18px,transparent 18px 34px);
  opacity:.28;border-radius:2px;
}

/* 页面横幅 */
.page-banner{
  position:relative;
  margin-top:32px;
  border-radius:var(--r-card);
  overflow:hidden;
  background-size:cover;background-position:center;
  min-height:380px;
  display:flex;align-items:flex-end;
}
.banner-veil{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(7,42,31,.94) 8%,rgba(7,42,31,.78) 52%,rgba(12,59,44,.42) 100%);
}
.banner-inner{position:relative;z-index:2;width:100%;padding-top:56px;padding-bottom:48px;color:var(--c-dark-text)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(234,240,236,.72);margin-bottom:22px}
.crumbs a{color:rgba(234,240,236,.86)}
.crumbs a:hover{color:var(--c-lime)}
.crumbs .sep{opacity:.6}
.crumbs .now{color:var(--c-lime);font-weight:700}
.page-banner h1{font-size:clamp(28px,5vw,48px);max-width:760px;margin:16px 0 18px}
.page-banner .lead{max-width:620px;font-size:16.5px;color:rgba(234,240,236,.86)}
.banner-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}

/* 搜索框 */
.rule-search{
  margin-top:30px;max-width:640px;
  background:var(--c-surface);border-radius:var(--r-card);
  padding:14px;display:flex;gap:10px;flex-wrap:wrap;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.rule-search .field{flex:1 1 260px;position:relative}
.rule-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-muted);font-size:14px}
.rule-search input{
  width:100%;height:48px;padding:0 14px 0 38px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-surface-2);font-size:15px;
}
.rule-search input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,106,19,.18);background:#fff}
.rule-search .hint{flex:1 1 100%;font-size:13px;color:rgba(234,240,236,.72);margin-top:2px}

/* 指标条 */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.metric .num{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:30px;letter-spacing:.02em;
  color:var(--c-primary);display:block;line-height:1.2;
}
.metric .num small{font-size:14px;font-weight:700;margin-left:4px;color:var(--c-accent)}
.metric .lbl{font-size:14.5px;font-weight:700;margin-top:8px}
.metric .sub{font-size:13.5px;color:var(--c-muted);margin-top:4px;line-height:1.6}

/* 主体布局：侧栏 + 问答矩阵 */
.help-layout{margin-top:8px}
.side-index{position:sticky;top:132px}
.index-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.index-card h3{font-size:16px;margin-bottom:14px}
.index-card .idx-list li + li{margin-top:2px}
.index-card .idx-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:700;color:var(--c-muted);
}
.index-card .idx-list a .dot{width:8px;height:8px;border-radius:50%;background:var(--c-line);flex:0 0 auto;transition:background-color var(--t)}
.index-card .idx-list a:hover{background:var(--c-surface-2);color:var(--c-primary)}
.index-card .idx-list a:hover .dot{background:var(--c-accent)}
.index-note{
  margin-top:18px;padding:14px;border-radius:var(--r-sm);
  background:var(--c-accent-soft);color:#8C3A00;font-size:13.5px;line-height:1.7;
}
.index-note strong{display:block;font-size:14.5px;margin-bottom:4px;color:#7A3200}

.acc-group{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);height:100%;
}
.acc-group + .acc-group{margin-top:20px}
.acc-group__head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.acc-group__head h3{font-size:17.5px}
.acc-group__head .count{
  margin-left:auto;font-size:12.5px;font-weight:700;color:var(--c-primary);
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:6px;padding:3px 9px;
}

/* 手风琴 */
.accordion{list-style:none;margin:0;padding:0;background:transparent;border:0}
.accordion-item{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-item:hover{border-color:#CFC9BA}
.accordion-item.is-active{border-color:var(--c-primary);box-shadow:0 6px 16px rgba(12,59,44,.08);background:var(--c-surface)}
.accordion-title{
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;font-size:15.5px;font-weight:700;color:var(--c-ink);
  background:transparent;border:0;line-height:1.6;
}
.accordion-title::before{
  content:"";flex:0 0 4px;align-self:stretch;min-height:22px;
  background:var(--c-accent);border-radius:2px;transition:background-color var(--t);
}
.accordion-item.is-active .accordion-title::before{background:var(--c-lime)}
.accordion-title::after{
  content:"";margin-left:auto;flex:0 0 auto;
  width:0;height:0;border-left:6px solid var(--c-muted);
  border-top:5px solid transparent;border-bottom:5px solid transparent;
  transition:transform var(--t);
}
.accordion-item.is-active .accordion-title::after{transform:rotate(90deg);border-left-color:var(--c-primary)}
.accordion-content{
  display:none;padding:0 18px 16px 34px;
  font-size:15px;line-height:1.8;color:var(--c-muted);
}
.accordion-item.is-active > .accordion-content{display:block}
.accordion-content strong{color:var(--c-ink)}
.is-hidden{display:none !important}

/* 流程步骤 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow}
.flow-item{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px 22px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.flow-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.flow-item .step{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--c-primary);color:var(--c-lime);
  font-variant-numeric:tabular-nums;font-weight:800;font-size:17px;letter-spacing:.04em;
  margin-bottom:16px;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14.5px;color:var(--c-muted)}
.flow-item:nth-child(even){margin-top:22px}

/* 帮助范围卡片（两列错高） */
.scope-grid{align-items:start}
.scope-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.scope-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scope-card img{aspect-ratio:16/10;object-fit:cover;width:100%;box-shadow:inset 0 0 0 1px rgba(12,59,44,.08)}
.scope-card__body{padding:22px}
.scope-card__body h3{font-size:18px;margin-bottom:8px}
.scope-card__body p{font-size:14.8px;color:var(--c-muted)}
.scope-card__body .tag-row{margin-top:14px}
.scope-card--offset{margin-top:28px}

/* CTA 表单区 */
.cta-zone{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.cta-copy h2{font-size:clamp(24px,3.6vw,34px);margin-bottom:16px}
.cta-copy .muted{color:rgba(234,240,236,.74);font-size:15.5px;max-width:520px}
.check-list{margin-top:22px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-dark-text);line-height:1.7}
.check-list li + li{margin-top:10px}
.check-list i{color:var(--c-lime);margin-top:5px;font-size:14px}
.form-card{
  background:var(--c-surface);border-radius:var(--r-card);
  padding:28px;box-shadow:0 14px 34px rgba(3,20,14,.28);
  color:var(--c-ink);border:1px solid rgba(217,242,79,.16);
}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-tip{font-size:13.5px;color:var(--c-muted);margin-bottom:18px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px}
.form-row input,.form-row select{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-surface-2);font-size:15px;
}
.form-row input:focus,.form-row select:focus{
  outline:none;border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(255,106,19,.18);background:#fff;
}
.form-row .err{display:block;font-size:12.5px;color:#C0392B;margin-top:5px;min-height:16px}
.form-privacy{font-size:12.5px;color:var(--c-muted);margin-top:12px;line-height:1.6}
.form-privacy a{color:var(--c-primary);font-weight:700;text-decoration:underline}

/* 页脚 */
.site-footer{
  background:var(--c-primary);color:var(--c-dark-text);
  padding:72px 0 28px;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px}
.site-footer p{font-size:14.5px;color:rgba(234,240,236,.72);line-height:1.8}
.foot-title{
  font-size:14px;font-weight:700;color:var(--c-dark-text);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.foot-title::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--c-lime)}
.foot-links li + li,.foot-info li + li{margin-top:10px}
.foot-links a{font-size:14.5px;color:rgba(234,240,236,.76)}
.foot-links a:hover{color:var(--c-lime);transform:translateX(2px);display:inline-block}
.foot-info li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:rgba(234,240,236,.76)}
.foot-info i{color:var(--c-lime);margin-top:5px;font-size:13px}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(217,242,79,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(234,240,236,.6);
}

/* 响应式 */
@media screen and (max-width:1199px){
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:52px 0}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    position:fixed;inset:0;z-index:90;
    display:none;grid-template-columns:1fr 1fr;gap:12px;
    align-content:start;margin:0;padding:96px 20px 28px;
    background:var(--c-bg);overflow-y:auto;
  }
  .nav-links.is-open{display:grid}
  .nav-item{
    justify-content:flex-start;padding:16px 14px;background:var(--c-surface);
    border:1px solid var(--c-line);border-radius:var(--r-sm);font-size:15px;
    box-shadow:var(--sh-1);
  }
  .nav-item.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
  .side-index{position:static;margin-bottom:20px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-item:nth-child(even){margin-top:16px}
  .cta-zone{grid-template-columns:1fr;gap:28px}
  .page-banner{min-height:320px;margin-top:24px}
  .banner-inner{padding-top:40px;padding-bottom:36px}
}
@media screen and (max-width:767px){
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .sec-head{margin-bottom:24px}
  .metric-strip{grid-template-columns:1fr;gap:14px}
  .flow{grid-template-columns:1fr}
  .flow-item:nth-child(even){margin-top:0}
  .scope-card--offset{margin-top:0}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:56px 0 24px}
  .page-banner{border-radius:12px}
  .rule-search{padding:12px}
  .accordion-title{font-size:15px;padding:13px 14px}
  .accordion-content{padding:0 14px 14px 30px}
}
@media screen and (max-width:520px){
  body{font-size:16px;line-height:1.78}
  .nav-links{grid-template-columns:1fr}
  .brand__text{font-size:15px}
  .nav-card{padding:10px 12px;gap:10px}
  .page-banner h1{font-size:clamp(24px,6.4vw,32px)}
  .form-card{padding:20px}
  .acc-group{padding:16px}
  .btn{height:46px;padding:0 20px}
}