/* roulang page: index */
:root{
  --c-ink:#1B2320;
  --c-ink-2:#5C6763;
  --c-ink-3:#8A938E;
  --c-bg:#FBF8F2;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-brand:#24564E;
  --c-brand-600:#2F6B60;
  --c-brand-900:#1B423C;
  --c-brand-100:#E4EFEC;
  --c-accent:#D9764A;
  --c-accent-600:#C56638;
  --c-accent-100:#FBE9DF;
  --c-gold:#C08A2E;
  --c-danger:#C0533F;
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,35,32,.05);
  --sh-2:0 8px 24px -12px rgba(27,35,32,.18);
  --sh-3:0 16px 36px -16px rgba(27,35,32,.22);
  --t:.22s ease;
  --nav-h:72px;
}
*,*::before,*::after{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:-apple-system,"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);}
a:hover{color:var(--c-brand-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-alt{background:linear-gradient(180deg,#FFFFFF 0%,#FBF8F2 100%);}
.section-dark{background:linear-gradient(158deg,var(--c-brand) 0%,var(--c-brand-900) 100%);color:#fff;}

/* ============ 通用组件 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-brand);background:var(--c-brand-100);
  padding:6px 14px;border-radius:var(--r-pill);
}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;
  margin:16px 0 0;color:var(--c-ink);
}
.section-head .section-desc{margin-top:14px;color:var(--c-ink-2);font-size:16px;line-height:1.9;}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head .section-desc{color:rgba(255,255,255,.78);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-lg{min-height:52px;padding:0 30px;font-size:16px;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.btn-outline{border-color:var(--c-brand);color:var(--c-brand);background:transparent;}
.btn-outline:hover{background:var(--c-brand-100);color:var(--c-brand-600);transform:translateY(-2px);}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.04);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);}
.text-link:hover g,{color:var(--c-brand-600);}
.chip{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--c-brand-100);color:var(--c-brand);
}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mark{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;}
.mark svg{width:14px;height:14px;}
.mark-yes{background:var(--c-brand-100);color:var(--c-brand);}
.mark-no{background:#F1EDE4;color:var(--c-ink-3);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,242,.88);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled{background:rgba(255,255,255,.94);box-shadow:var(--sh-2);border-bottom-color:var(--c-line);}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-brand);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:var(--c-brand);color:#fff;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--c-brand);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:16px;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
}
.main-nav a:hover{color:var(--c-brand);background:var(--c-brand-100);}
.main-nav a.active{color:var(--c-brand);background:var(--c-brand-100);}
.main-nav a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-6px;width:22px;height:2px;border-radius:2px;background:var(--c-brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);
  color:var(--c-brand);border:1px solid transparent;transition:background-color var(--t),color var(--t);
}
.icon-btn svg{width:20px;height:20px;}
.icon-btn:hover{background:var(--c-brand-100);}
.nav-more{display:none;}

.search-panel{
  display:none;border-top:1px solid var(--c-line);
  background:rgba(255,255,255,.97);padding:16px 0;
}
.search-panel.open{display:block;}
.search-form{display:flex;gap:10px;max-width:640px;}
.search-form input{
  flex:1 1 auto;min-height:46px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:15px;
}
.search-form input::placeholder{color:var(--c-ink-3);}
.search-form input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(36,86,78,.14);}

.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:10px 0 18px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 24px;font-size:16px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a:last-child{border-bottom:0;}
.mobile-drawer a.active{color:var(--c-brand);background:var(--c-brand-100);}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(122deg,rgba(20,52,47,.9) 0%,rgba(36,86,78,.72) 62%,rgba(36,86,78,.6) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:84px 0 76px;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;
}
.hero h1{
  font-size:clamp(28px,4.2vw,42px);line-height:1.35;font-weight:700;
  margin:20px 0 0;letter-spacing:.01em;color:#fff;
}
.hero-sub{margin-top:16px;font-size:19px;font-weight:600;color:#fff;}
.hero-desc{margin-top:14px;max-width:560px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.82);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;
}
.hero-badges li{
  display:flex;align-items:center;gap:9px;
  padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13.5px;font-weight:500;color:rgba(255,255,255,.92);line-height:1.5;
}
.hero-badges svg{width:18px;height:18px;flex:0 0 auto;color:#fff;}
.hero-visual{position:relative;}
.hero-shot{
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid rgba(255,255,255,.24);box-shadow:var(--sh-3);
}
.hero-shot img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:-20px;
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;border-radius:14px;background:#fff;color:var(--c-ink);
  box-shadow:var(--sh-3);
}
.hero-float-num{font-size:28px;font-weight:700;color:var(--c-accent);line-height:1;}
.hero-float-txt{font-size:13px;line-height:1.5;color:var(--c-ink-2);}

/* ============ 权益对比表 ============ */
.compare-wrap{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);overflow:hidden;box-shadow:var(--sh-1);
}
table.compare{width:100%;border-collapse:collapse;font-size:15px;}
table.compare thead th{
  background:var(--c-brand);color:#fff;font-weight:600;font-size:15px;
  padding:18px 20px;text-align:left;border:0;
}
table.compare thead th:first-child{width:26%;}
table.compare tbody td{
  padding:16px 20px;border-bottom:1px solid var(--c-line);
  color:var(--c-ink-2);vertical-align:middle;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:nth-child(even) td{background:#FBF8F2;}
table.compare tbody td:first-child{
  background:var(--c-brand-100);color:var(--c-ink);font-weight:600;
}
table.compare tbody tr:nth-child(even) td:first-child{background:#DDEAE6;}
.compare-note{margin-top:18px;font-size:14px;color:var(--c-ink-2);display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;}
.compare-cards{display:none;}

/* ============ 等级卡 ============ */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.level-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 26px 26px;box-shadow:var(--sh-2);
  transition:transform var(--t),box-shadow var(--t);
}
.level-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.level-card.featured{border:2px solid var(--c-accent);padding-top:32px;}
.level-flag{
  position:absolute;top:-13px;right:22px;
  font-size:12px;font-weight:600;color:#fff;background:var(--c-accent);
  padding:5px 14px;border-radius:var(--r-pill);line-height:1.4;
}
.level-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
}
.badge-free{background:var(--c-brand-100);color:var(--c-brand);}
.badge-standard{background:var(--c-accent-100);color:var(--c-accent-600);}
.badge-premium{background:#FBF2E1;color:var(--c-gold);border:1.5px solid var(--c-gold);}
.level-price{margin-top:18px;font-size:32px;font-weight:700;color:var(--c-ink);line-height:1.2;}
.level-price span{font-size:14px;font-weight:500;color:var(--c-ink-3);margin-left:6px;}
.level-points{margin-top:20px;display:flex;flex-direction:column;gap:11px;flex:1 1 auto;}
.level-points li{display:flex;gap:10px;font-size:15px;color:var(--c-ink-2);line-height:1.7;}
.level-points svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;color:var(--c-brand);}
.level-card .btn{margin-top:24px;}

/* ============ 锁定内容预览 ============ */
.lock-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.lock-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);transition:transform var(--t),box-shadow var(--t);
}
.lock-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.lock-media{position:relative;overflow:hidden;}
.lock-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t);}
.lock-card:hover .lock-media img{transform:scale(1.03);}
.lock-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(180deg,rgba(27,35,32,.42) 0%,rgba(20,52,47,.72) 100%);
  color:#fff;text-align:center;padding:14px;
}
.lock-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.36);
}
.lock-icon svg{width:20px;height:20px;}
.lock-tag{font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-accent);color:#fff;}
.lock-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.lock-body h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);}
.lock-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;}
.lock-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--c-ink-3);}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-2);transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-link:hover{color:inherit;}
.news-media{overflow:hidden;}
.news-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t);}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-body h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--c-ink);}
.news-body p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px;font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line);}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  text-align:center;
}
.empty-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;background:rgba(36,86,78,.15);color:var(--c-brand);
}
.empty-icon svg{width:26px;height:26px;}
.empty-state p{font-size:15px;color:var(--c-ink-2);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--c-brand),var(--sh-1);border-color:#D8D0C2;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:16px;height:16px;
  background:
    linear-gradient(var(--c-brand),var(--c-brand)) center/12px 2px no-repeat,
    linear-gradient(var(--c-brand),var(--c-brand)) center/2px 12px no-repeat;
  transition:transform var(--t);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ============ 开通会员 CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  background:linear-gradient(158deg,var(--c-brand) 0%,var(--c-brand-900) 100%);
  color:#fff;
}
.cta-block::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(circle at 18% 28%,#fff 0 2px,transparent 2px),
                   radial-gradient(circle at 72% 62%,#fff 0 2px,transparent 2px);
  background-size:120px 120px,180px 180px;
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:72px 0;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4;color:#fff;}
.cta-copy p{margin-top:16px;font-size:16px;line-height:1.95;color:rgba(255,255,255,.8);max-width:520px;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.9);}
.cta-points svg{width:18px;height:18px;flex:0 0 auto;color:#fff;}
.join-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-card);padding:28px;backdrop-filter:blur(4px);
}
.join-card h3{font-size:19px;font-weight:600;color:#fff;}
.join-card .join-tip{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72);}
.join-form{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.field-label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.8);margin-bottom:8px;}
.join-form input{
  width:100%;min-height:48px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.96);color:var(--c-ink);font-size:15px;
}
.join-form input::placeholder{color:var(--c-ink-3);}
.join-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(217,118,74,.3);}
.join-form input.is-error{border-color:var(--c-danger);box-shadow:0 0 0 3px rgba(192,83,63,.24);}
.form-error,.form-success{margin:0;font-size:13px;line-height:1.7;}
.form-error{color:#FFD9CE;}
.form-success{color:#CDEBDF;}
.form-privacy{font-size:13px;color:rgba(255,255,255,.66);line-height:1.7;}
.form-privacy a{color:#fff;text-decoration:underline;text-underline-offset:3px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-900);color:rgba(255,255,255,.76);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);}
.footer-intro{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.7);}
.footer-contact strong{color:#fff;font-weight:600;}
.qr{
  margin-top:18px;display:inline-flex;align-items:center;gap:12px;
  padding:12px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.qr svg{width:64px;height:64px;border-radius:6px;background:#fff;padding:4px;flex:0 0 auto;}
.qr span{font-size:13px;color:rgba(255,255,255,.7);line-height:1.6;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-links a{font-size:13px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:#fff;}

/* ============ 移动底部 Tab ============ */
.tabbar{display:none;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom));}
  .container{padding:0 20px;}
  .main-nav{display:none;}
  .nav-more{display:inline-flex;}
  .nav-inner{height:56px;gap:12px;}
  .brand-name{font-size:16px;}
  .nav-actions .btn-sm{display:none;}
  :root{--nav-h:56px;}
  .section{padding:60px 0;}
  .hero{padding:56px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-visual{order:2;}
  .hero-float{left:auto;right:14px;bottom:-16px;}
  .lock-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .level-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:36px;padding:60px 0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:52px 0 36px;}
  .compare-cards{display:none;}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
    box-shadow:0 -6px 20px -14px rgba(27,35,32,.28);
  }
  .tab-item{
    position:relative;flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    min-height:58px;padding:6px 4px;font-size:10.5px;font-weight:600;color:var(--c-ink-3);
  }
  .tab-item svg{width:22px;height:22px;}
  .tab-item.active{color:var(--c-brand);}
  .tab-item.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;border-radius:2px;background:var(--c-brand);
  }
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-sub{font-size:17px;}
  .hero-badges{grid-template-columns:1fr;}
  .hero-cta .btn{flex:1 1 100%;}
  .level-grid{grid-template-columns:1fr;}
  .lock-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  table.compare{display:none;}
  .compare-wrap{border:0;background:transparent;box-shadow:none;overflow:visible;}
  .compare-cards{display:flex;flex-direction:column;gap:16px;}
  .compare-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:18px 20px;box-shadow:var(--sh-1);
  }
  .compare-card h3{font-size:16px;font-weight:600;color:var(--c-ink);padding-bottom:12px;border-bottom:1px solid var(--c-line);}
  .compare-card ul{margin-top:12px;display:flex;flex-direction:column;gap:10px;}
  .compare-card li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--c-ink-2);}
  .compare-card li span{color:var(--c-ink-3);}
  .compare-card li b{font-weight:600;color:var(--c-ink);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-grid{padding:48px 0;}
  .join-card{padding:22px;}
}
@media screen and (max-width:479px){
  .container{padding:0 16px;}
  .brand-name{font-size:15px;}
}

/* roulang page: article */
:root{
  --c-ink:#1B2320;
  --c-ink-2:#5C6763;
  --c-ink-3:#8A938E;
  --c-bg:#FBF8F2;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-brand:#24564E;
  --c-brand-600:#2F6B60;
  --c-brand-100:#E4EFEC;
  --c-accent:#D9764A;
  --c-accent-100:#FBE9DF;
  --c-gold:#C08A2E;
  --c-danger:#C0533F;
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,35,32,.05);
  --sh-2:0 8px 24px -12px rgba(27,35,32,.18);
  --sh-3:0 16px 36px -16px rgba(27,35,32,.26);
  --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--c-ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:639px){
  .container{padding:0 18px}
  body{font-size:16px}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,242,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-2);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-brand);font-size:19px;letter-spacing:.2px}
.brand-mark{
  width:36px;height:36px;flex:none;display:grid;place-items:center;
  border-radius:12px;background:var(--c-brand-100);
  border:1px solid var(--c-line);color:var(--c-brand);
}
.brand-mark svg{width:21px;height:21px}
.main-nav{display:none;gap:4px;margin-left:10px}
.main-nav a{
  display:inline-flex;align-items:center;min-height:40px;
  padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);transition:var(--t);
}
.main-nav a:hover{background:var(--c-brand-100);color:var(--c-brand)}
.main-nav a.active{background:var(--c-brand);color:#fff}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);transition:var(--t);
}
.icon-btn:hover{color:var(--c-brand);border-color:var(--c-brand);background:var(--c-brand-100)}
.icon-btn svg{width:19px;height:19px}
@media (min-width:1024px){.main-nav{display:flex}}
@media (max-width:1023px){
  .header-inner{height:56px;gap:12px}
  .brand{font-size:17px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .icon-btn{width:38px;height:38px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:var(--t);white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#C5663D;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{border-color:var(--c-brand);color:var(--c-brand);background:transparent}
.btn-secondary:hover{background:var(--c-brand-100);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;color:var(--c-brand);font-weight:600;font-size:15px;
}
.text-link svg{width:16px;height:16px;transition:var(--t)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.7;
  background:var(--c-brand-100);color:var(--c-brand);
}
.badge-accent{background:var(--c-accent-100);color:#A9502A}
.badge-gold{background:#FBF2E0;color:#8A6015;box-shadow:inset 0 0 0 1.5px var(--c-gold)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);font-size:13px;color:var(--c-ink-2);transition:var(--t);
}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-100)}

/* ---------- page head ---------- */
.page-head{padding:34px 0 8px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-ink-2);transition:var(--t)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{color:#C6BEB0}
.post-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.post-title{
  font-size:clamp(28px,4.2vw,42px);
  line-height:1.32;font-weight:700;letter-spacing:-.2px;
  max-width:920px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  margin-top:18px;font-size:13px;color:var(--c-ink-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row svg{width:15px;height:15px}
.meta-dot{width:3px;height:3px;border-radius:50%;background:#C6BEB0}

/* ---------- layout ---------- */
.layout{display:grid;gap:44px;padding:30px 0 0}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
}
.article-main{max-width:760px;min-width:0}

/* ---------- cover ---------- */
.post-cover{
  margin:0 0 30px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
  aspect-ratio:16/9;background:var(--c-brand-100);
}
.post-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- article body ---------- */
.article-body{font-size:18px;line-height:1.95;color:var(--c-ink)}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;
  margin:40px 0 18px;padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;
  width:4px;border-radius:2px;background:var(--c-brand);
}
.article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:1.4em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:10px}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--c-brand-100);border-left:3px solid var(--c-brand);
  border-radius:0 12px 12px 0;color:var(--c-ink-2);font-size:17px;
}
.article-body img{width:auto;max-width:100%;height:auto;margin:24px auto;border-radius:var(--r-img);box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--c-brand-600);text-decoration-thickness:2px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:16px;
  margin:24px 0;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.article-body th{background:var(--c-brand);color:#fff;font-weight:600;text-align:left;padding:12px 16px}
.article-body td{padding:12px 16px;border-top:1px solid var(--c-line);color:var(--c-ink-2)}
.article-body tbody tr:nth-child(even){background:var(--c-bg)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:34px 0}

/* ---------- article footer blocks ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line)}
.foot-block{margin-bottom:34px}
.foot-block h2{font-size:18px;font-weight:600;margin-bottom:16px}
.action-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:16px 18px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.action-row .grow{margin-left:auto}
.chip-btn{
  display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-bg);font-size:14px;color:var(--c-ink-2);transition:var(--t);
}
.chip-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-100)}
.chip-btn svg{width:16px;height:16px}
.chip-btn.is-on{background:var(--c-brand);border-color:var(--c-brand);color:#fff}

.pn-grid{display:grid;gap:16px}
@media (min-width:640px){.pn-grid{grid-template-columns:1fr 1fr}}
.pn-card{
  display:block;padding:20px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:var(--t);
}
.pn-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:var(--c-brand-100)}
.pn-card .pn-label{font-size:12px;color:var(--c-ink-3);letter-spacing:.4px}
.pn-card strong{display:block;margin-top:8px;font-size:16px;font-weight:600;line-height:1.6}
.pn-card span.desc{display:block;margin-top:6px;font-size:13px;color:var(--c-ink-2);line-height:1.75}

.card-grid{display:grid;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);transition:var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--c-brand-100)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--c-brand)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.6}
.card-body p{font-size:14px;color:var(--c-ink-2);line-height:1.8}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--c-ink-3);
}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.sidebar{position:sticky;top:96px}}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 svg{width:17px;height:17px;color:var(--c-accent)}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;
  color:var(--c-ink-2);line-height:1.6;border-left:2px solid transparent;transition:var(--t);
}
.toc-list a:hover{background:var(--c-brand-100);color:var(--c-brand);border-left-color:var(--c-brand)}
.hot-list li{padding:10px 0;border-bottom:1px dashed var(--c-line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list a{font-size:14px;color:var(--c-ink-2);line-height:1.7;transition:var(--t)}
.hot-list a:hover{color:var(--c-brand)}
.hot-list .idx{
  display:inline-grid;place-items:center;width:20px;height:20px;margin-right:8px;
  border-radius:6px;background:var(--c-brand-100);color:var(--c-brand);
  font-size:12px;font-weight:600;
}
.side-cta{background:linear-gradient(160deg,var(--c-brand),#1B433C);border:0;color:#fff}
.side-cta h3{color:#fff}
.side-cta p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-icon{
  width:58px;height:58px;border-radius:50%;margin:0 auto 18px;
  display:grid;place-items:center;background:rgba(36,86,78,.15);color:var(--c-brand);
}
.empty-icon svg{width:24px;height:24px}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin-bottom:22px}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-img);overflow:hidden;transition:var(--t);
}
.faq-item:hover{border-color:#D8CFBE}
.faq-item.is-open{border-color:var(--c-brand-100);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);
  position:relative;min-height:44px;
}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--c-brand)}
.faq-q .ic{
  margin-left:auto;flex:none;width:22px;height:22px;display:grid;place-items:center;
  color:var(--c-brand);transition:transform var(--t);
}
.faq-q .ic svg{width:17px;height:17px}
.faq-item.is-open .faq-q .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:72px;padding:56px 0;
  background:linear-gradient(135deg,var(--c-brand),#1B433C);
  color:#fff;
}
.cta-grid{display:grid;gap:30px}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.05fr 1fr;align-items:center;gap:56px}}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.9;max-width:520px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-points span{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.92);
}
.cta-points svg{width:15px;height:15px;color:var(--c-accent-100)}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{
  flex:1 1 240px;min-height:50px;padding:0 16px;
  border-radius:var(--r-input);border:1px solid rgba(255,255,255,.36);
  background:rgba(255,255,255,.12);color:#fff;font-size:15px;transition:var(--t);
}
.cta-form input::placeholder{color:rgba(255,255,255,.62)}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 2px rgba(217,118,74,.65)}
.cta-form input.has-error{border-color:#F0A28A;box-shadow:0 0 0 2px rgba(192,83,63,.5)}
.form-msg{font-size:13px;line-height:1.7;margin-top:12px;min-height:20px}
.form-msg.err{color:#F6C3B4}
.form-msg.ok{color:#BFE3D6}
.form-note{font-size:13px;color:rgba(255,255,255,.66);margin-top:10px}
.form-note a{color:rgba(255,255,255,.9);text-decoration:underline;text-underline-offset:3px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-brand);color:rgba(255,255,255,.78);
  padding:56px 0 0;margin-top:0;
}
.footer-grid{display:grid;gap:32px}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr}}
@media (min-width:640px) and (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.22);color:#fff}
.footer-intro{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer ul li{margin-bottom:11px}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.76);transition:var(--t)}
.site-footer ul a:hover{color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:9px;font-size:14px;color:rgba(255,255,255,.76)}
.footer-contact strong{color:#fff;font-weight:600}
.qr{
  margin-top:16px;width:96px;height:96px;padding:6px;border-radius:12px;
  background:#fff;box-shadow:var(--sh-1);
}
.qr svg{width:100%;height:100%;display:block}
.footer-bottom{
  margin-top:44px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:#fff}

/* ---------- mobile tab bar ---------- */
.tab-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:grid;grid-template-columns:repeat(3,1fr);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-bar a{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:9px 4px 8px;font-size:10px;line-height:1.3;color:var(--c-ink-2);
  text-align:center;transition:var(--t);
}
.tab-bar a svg{width:22px;height:22px}
.tab-bar a.active{color:var(--c-brand);font-weight:600}
.tab-bar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--c-brand);
}
@media (min-width:1024px){.tab-bar{display:none}}
@media (max-width:1023px){
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
}
@media (max-width:639px){
  .page-head{padding:24px 0 4px}
  .cta-band{padding:44px 0}
  .site-footer{padding-top:44px}
  .action-row{padding:14px}
  .article-body{font-size:17px}
}

/* roulang page: category1 */
:root{
  --c-ink:#1B2320;
  --c-ink-2:#5C6763;
  --c-ink-3:#8A938E;
  --c-bg:#FBF8F2;
  --c-surface:#FFFFFF;
  --c-line:#E6DFD3;
  --c-brand:#24564E;
  --c-brand-600:#2F6B60;
  --c-brand-700:#1B4038;
  --c-brand-100:#E4EFEC;
  --c-accent:#D9764A;
  --c-accent-600:#C5673D;
  --c-accent-100:#FBE9DF;
  --c-gold:#C08A2E;
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --r-btn:999px;
  --sh-1:0 1px 2px rgba(27,35,32,.05);
  --sh-2:0 8px 24px -12px rgba(27,35,32,.18);
  --sh-3:0 16px 36px -16px rgba(27,35,32,.22);
  --t:.22s ease;
  --w:1200px;
}

*{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:-apple-system,"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-brand-600);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:1.4em;}
li{margin-bottom:8px;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,242,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),background var(--t),border-color var(--t);
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-2);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--c-brand);font-size:18px;}
.brand:hover{color:var(--c-brand-600);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;
  background:var(--c-brand-100);color:var(--c-brand);flex:none;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 16px;border-radius:12px;color:var(--c-ink-2);font-size:15.5px;font-weight:500;
  transition:background var(--t),color var(--t);
}
.main-nav a:hover{background:var(--c-brand-100);color:var(--c-brand);}
.main-nav a.active{color:var(--c-brand);font-weight:600;background:var(--c-brand-100);}
.main-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;
  background:var(--c-brand);border-radius:2px;
}

.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-brand);
}
.icon-btn:hover{background:var(--c-brand-100);}
.icon-btn svg{width:22px;height:22px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline{border-color:var(--c-brand);color:var(--c-brand);background:transparent;}
.btn-outline:hover{background:var(--c-brand-100);color:var(--c-brand);}
.btn-ghost{border-color:rgba(255,255,255,.72);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn svg{width:18px;height:18px;}

/* ============ 分类页头 ============ */
.cat-hero{
  position:relative;padding:64px 0 52px;color:#fff;overflow:hidden;
  background-image:linear-gradient(104deg,rgba(27,64,56,.90) 0%,rgba(36,86,78,.84) 55%,rgba(47,107,96,.80) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 88% 6%,rgba(255,255,255,.10),transparent 62%);
}
.cat-hero .container{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.4px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  padding:5px 14px;border-radius:var(--r-btn);margin-bottom:18px;
}
.cat-hero h1{font-size:clamp(28px,4.2vw,42px);color:#fff;margin-bottom:14px;}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:760px;margin-bottom:24px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0;}
.hero-pills a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 18px;
  border-radius:var(--r-btn);font-size:14px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  transition:background var(--t),transform var(--t);
}
.hero-pills a:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13px;color:var(--c-ink-3);padding:18px 0 0;}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{margin:0 8px;color:var(--c-line);}

/* ============ 主体布局 ============ */
.page-main{padding:40px 0 84px;}
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;}
.cat-content{max-width:860px;}
.cat-aside{position:sticky;top:96px;align-self:start;display:grid;gap:20px;}

.lead-block{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 28px;margin-bottom:48px;
}
.lead-block p{margin:0;color:var(--c-ink-2);}
.lead-block strong{color:var(--c-ink);}

.section-title{margin-bottom:24px;}
.section-title h2{
  font-size:clamp(22px,2.6vw,28px);position:relative;padding-left:16px;
}
.section-title h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:4px;background:var(--c-brand);
}
.section-title p{margin:10px 0 0 16px;color:var(--c-ink-2);font-size:15px;}

/* 图文交替 */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;
  padding:30px 0;border-top:1px solid var(--c-line);
}
.feature-row:first-of-type{border-top:0;padding-top:0;}
.feature-text{order:-1;}
.feature-row--reverse .feature-text{order:0;}
.feature-text h3{font-size:20px;margin-bottom:12px;}
.feature-text p{color:var(--c-ink-2);font-size:16.5px;}
.feature-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);background:#fff;
}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t);}
.feature-media:hover img{transform:scale(1.03);}
.media-tag{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.94);color:var(--c-brand);
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--r-btn);
}
.point-list{list-style:none;padding:0;margin:16px 0 0;}
.point-list li{
  position:relative;padding-left:24px;color:var(--c-ink-2);font-size:15.5px;margin-bottom:10px;
}
.point-list li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-accent);
}
.point-list li b{color:var(--c-ink);font-weight:600;}

/* 权益清单 */
.spec-block{margin-top:56px;}
.spec-list{
  display:grid;gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.spec-item{
  display:grid;grid-template-columns:220px 1fr;gap:20px;
  padding:16px 24px;background:var(--c-surface);
}
.spec-item:nth-child(odd){background:#FBF8F2;}
.spec-key{font-weight:600;color:var(--c-brand);font-size:15.5px;}
.spec-val{color:var(--c-ink-2);font-size:15.5px;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:var(--r-badge);
  background:var(--c-brand-100);color:var(--c-brand);
}
.badge-accent{background:var(--c-accent-100);color:var(--c-accent-600);}
.badge-gold{background:#FBF3E2;color:#8A6113;box-shadow:inset 0 0 0 1.5px var(--c-gold);}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;
}
.side-card h3{font-size:16px;margin-bottom:14px;color:var(--c-ink);}
.side-links{list-style:none;padding:0;margin:0;}
.side-links li{margin-bottom:6px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 14px;border-radius:12px;
  color:var(--c-ink-2);font-size:15px;background:transparent;
  transition:background var(--t),color var(--t);
}
.side-links a:hover{background:var(--c-brand-100);color:var(--c-brand);}
.side-links a.current{background:var(--c-brand-100);color:var(--c-brand);font-weight:600;}
.side-links a svg{width:16px;height:16px;opacity:.7;}
.side-card--brand{background:linear-gradient(140deg,var(--c-brand) 0%,var(--c-brand-700) 100%);border-color:transparent;color:#fff;}
.side-card--brand h3{color:#fff;}
.side-card--brand p{color:rgba(255,255,255,.82);font-size:14.5px;margin-bottom:16px;}
.side-faq{list-style:none;padding:0;margin:0;}
.side-faq li{
  font-size:14.5px;color:var(--c-ink-2);padding:10px 0;border-bottom:1px dashed var(--c-line);
}
.side-faq li:last-child{border-bottom:0;padding-bottom:0;}
.side-faq a{color:var(--c-ink-2);}
.side-faq a:hover{color:var(--c-brand);}

/* ============ FAQ ============ */
.faq-block{margin-top:64px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.open{box-shadow:inset 3px 0 0 var(--c-brand),var(--sh-2);border-color:#D8D0C2;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:14px 22px;background:transparent;border:0;
  text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q .chev{flex:none;width:22px;height:22px;color:var(--c-brand);transition:transform var(--t);}
.faq-item.open .chev{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;padding:0 22px;
  transition:max-height .28s ease,padding var(--t);
}
.faq-item.open .faq-a{max-height:360px;padding-bottom:20px;}
.faq-a p{margin:0;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ============ CTA 带 ============ */
.cta-band{
  margin-top:64px;border-radius:20px;padding:44px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-700) 100%);
  display:grid;grid-template-columns:1fr 380px;gap:44px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 18% 22%,rgba(255,255,255,.06) 0 28%,transparent 60%),
                   radial-gradient(circle at 82% 78%,rgba(255,255,255,.05) 0 26%,transparent 62%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.84);font-size:15.5px;margin:0;}
.cta-points{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-wrap:wrap;gap:10px;}
.cta-points li{
  margin:0;font-size:13.5px;color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  padding:5px 14px;border-radius:var(--r-btn);
}
.cta-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-card);padding:22px;}
.cta-form label{display:block;font-size:14px;color:rgba(255,255,255,.9);margin-bottom:10px;font-weight:600;}
.field-row{display:flex;gap:10px;}
.field-row input{
  flex:1;min-width:0;min-height:46px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.95);color:var(--c-ink);
  transition:box-shadow var(--t),border-color var(--t);
}
.field-row input::placeholder{color:var(--c-ink-3);}
.field-row input:focus{outline:none;border-color:var(--c-brand-600);box-shadow:0 0 0 3px rgba(36,86,78,.28);}
.field-row input.is-error{border-color:#C0533F;box-shadow:0 0 0 3px rgba(192,83,63,.22);}
.form-msg{font-size:13px;margin-top:10px;min-height:20px;color:rgba(255,255,255,.82);}
.form-msg.error{color:#F3B7A6;}
.form-msg.success{color:#BFE3D6;}
.privacy-note{font-size:12.5px;color:rgba(255,255,255,.68);margin:10px 0 0;}
.privacy-note a{color:rgba(255,255,255,.92);text-decoration:underline;}

/* 返回入口 */
.back-links{
  margin-top:44px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  padding-top:28px;border-top:1px solid var(--c-line);
}
.back-links .muted{font-size:14px;color:var(--c-ink-3);margin-right:6px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#1E2725;color:rgba(255,255,255,.78);
  padding:64px 0 0;font-size:14.5px;line-height:1.85;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#E4EFEC;}
.footer-intro{color:rgba(255,255,255,.66);font-size:14px;margin:0;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-contact{display:grid;gap:8px;margin-bottom:16px;}
.footer-contact strong{color:#fff;font-weight:600;}
.qr{
  width:96px;height:96px;background:#fff;border-radius:12px;padding:8px;
  display:flex;align-items:center;justify-content:center;
}
.qr svg{width:100%;height:100%;display:block;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#fff;}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,35,32,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:var(--c-surface);box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform .26s ease;
  padding:20px 20px calc(28px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.mobile-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-nav{display:grid;gap:6px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--c-ink-2);font-size:16px;
}
.drawer-nav a.active{background:var(--c-brand-100);color:var(--c-brand);font-weight:600;}

/* ============ 底部 Tab ============ */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
  grid-template-columns:repeat(3,1fr);
}
.mobile-tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:58px;font-size:10.5px;color:var(--c-ink-3);position:relative;
}
.mobile-tabbar a svg{width:22px;height:22px;}
.mobile-tabbar a.active{color:var(--c-brand);font-weight:600;}
.mobile-tabbar a.active::before{
  content:"";position:absolute;top:0;width:26px;height:2px;border-radius:2px;background:var(--c-brand);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 18px;}
  .header-inner{height:56px;}
  .main-nav{display:none;}
  .header-actions .btn{display:none;}
  .icon-btn{display:inline-flex;}
  .brand-mark{width:32px;height:32px;}
  .brand{font-size:16.5px;}
  .mobile-tabbar{display:grid;}
  body{padding-bottom:72px;}
  .cat-layout{grid-template-columns:1fr;gap:40px;}
  .cat-aside{position:static;top:auto;}
  .feature-row{grid-template-columns:1fr;gap:20px;padding:26px 0;}
  .feature-text{order:0;}
  .feature-row--reverse .feature-text{order:0;}
  .spec-item{grid-template-columns:1fr;gap:4px;padding:16px 18px;}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:32px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-main{padding:32px 0 64px;}
}
@media (max-width:640px){
  body{font-size:16.5px;}
  .cat-hero{padding:42px 0 38px;}
  .hero-lead{font-size:15.5px;}
  .cat-hero h1{font-size:27px;}
  .lead-block{padding:20px 18px;}
  .section-title h2{font-size:22px;}
  .faq-q{font-size:16px;padding:13px 18px;}
  .faq-a{padding:0 18px;}
  .field-row{flex-direction:column;}
  .field-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --c-ink:#1B2320; --c-ink-2:#5C6763; --c-ink-3:#8A938E;
  --c-bg:#FBF8F2; --c-surface:#FFFFFF; --c-line:#E6DFD3;
  --c-brand:#24564E; --c-brand-600:#2F6B60; --c-brand-800:#1B403A; --c-brand-100:#E4EFEC;
  --c-accent:#D9764A; --c-accent-600:#C4663C; --c-accent-100:#FBE9DF;
  --c-gold:#C08A2E; --c-danger:#C0533F;
  --r-card:16px; --r-img:14px; --r-input:10px; --r-btn:12px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,35,32,.05);
  --sh-2:0 8px 24px -12px rgba(27,35,32,.18);
  --sh-3:0 16px 36px -16px rgba(27,35,32,.22);
  --ease:.22s ease;
  --w-container:1200px;
}
*,*::before,*::after{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:-apple-system,"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.9;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-brand-600);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--c-ink);}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 18px;padding-left:1.4em;}
li{margin-bottom:8px;}
button{font-family:inherit;}
input{font-family:inherit;font-size:16px;}

.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-primary:hover{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-secondary{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn-secondary:hover{background:var(--c-brand-100);color:var(--c-brand);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--c-line);color:var(--c-brand);
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{background:var(--c-brand-100);border-color:var(--c-brand-100);}
.icon-btn svg{width:20px;height:20px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:72px;
  background:rgba(251,248,242,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:all var(--ease);
}
.site-header.is-stuck{background:rgba(255,255,255,.92);border-bottom-color:var(--c-line);box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-brand);letter-spacing:.2px;}
.brand:hover{color:var(--c-brand-600);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;background:var(--c-brand);color:#fff;flex:none;
}
.brand-mark svg{width:21px;height:21px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 16px;border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--c-ink-2);
}
.main-nav a:hover{color:var(--c-brand);background:var(--c-brand-100);}
.main-nav a.active{color:var(--c-brand);background:var(--c-brand-100);}
.header-actions{display:flex;align-items:center;gap:12px;}

/* ---------- Mobile tab bar ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -8px 24px -18px rgba(27,35,32,.35);
}
.mobile-tab a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 2px;font-size:10px;font-weight:600;color:var(--c-ink-3);position:relative;
}
.mobile-tab a svg{width:22px;height:22px;}
.mobile-tab a.active{color:var(--c-brand);}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;width:22px;height:2px;border-radius:2px;background:var(--c-brand);
}
.mobile-tab a:hover{color:var(--c-brand);}

/* ---------- Notice bar ---------- */
.notice-bar{background:var(--c-brand);color:#fff;font-size:13.5px;}
.notice-inner{display:flex;align-items:center;gap:12px;min-height:44px;padding-top:8px;padding-bottom:8px;}
.notice-inner svg{width:17px;height:17px;flex:none;color:#F0C79B;}
.notice-inner span{line-height:1.5;}
.notice-inner a{color:#fff;text-decoration:underline;text-underline-offset:3px;font-weight:600;}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-brand-800);}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.28;filter:saturate(.7);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(36,86,78,.72),rgba(27,64,58,.9));
}
.page-hero-inner{position:relative;z-index:2;padding:56px 24px 60px;color:#fff;max-width:900px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:16px;}
.crumb a{color:rgba(255,255,255,.9);}
.crumb a:hover{color:#fff;}
.crumb span{opacity:.6;}
.page-hero h1{font-size:clamp(28px,4.2vw,42px);color:#fff;letter-spacing:.3px;}
.page-hero .lede{margin:16px 0 0;font-size:17px;color:rgba(255,255,255,.86);max-width:620px;}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;min-height:38px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.42);
  background:rgba(255,255,255,.09);color:#fff;font-size:13.5px;font-weight:600;
  transition:all var(--ease);
}
.pill:hover{background:rgba(255,255,255,.2);color:#fff;border-color:rgba(255,255,255,.75);transform:translateY(-2px);}

/* ---------- Layout ---------- */
.page-main{padding:56px 0 8px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.content-col{min-width:0;}
.block{margin-bottom:64px;scroll-margin-top:96px;}
.block:last-child{margin-bottom:0;}
.block-head{margin-bottom:24px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.5px;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:10px;
}
.block-head h2{font-size:clamp(22px,2.6vw,28px);position:relative;padding-left:16px;}
.block-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-brand);
}
.block-head p{margin-top:12px;color:var(--c-ink-2);font-size:16px;}

/* ---------- Split figure ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:32px;align-items:center;}
.split-figure{margin:0;}
.split-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;box-shadow:var(--sh-2);}
.split-figure figcaption{font-size:13px;color:var(--c-ink-3);margin-top:10px;}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:16px;}
.check-list li:last-child{border-bottom:0;}
.check-list svg{width:20px;height:20px;flex:none;margin-top:5px;color:var(--c-brand);}
.check-list strong{display:block;font-weight:600;}

/* ---------- Cards wall ---------- */
.cards-wall{display:flex;flex-wrap:wrap;margin:0 -12px;}
.cards-wall>.cell{padding:0 12px;margin-bottom:24px;}
.mod-card{
  display:flex;flex-direction:column;height:100%;
  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);
}
.mod-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.mod-ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;background:var(--c-brand-100);color:var(--c-brand);margin-bottom:16px;
}
.mod-ico svg{width:22px;height:22px;}
.mod-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.mod-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.mod-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:16px;}
.tag{
  display:inline-flex;align-items:center;min-height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--c-brand-100);color:var(--c-brand);font-size:12.5px;font-weight:600;
}
.tag-accent{background:var(--c-accent-100);color:var(--c-accent-600);}

/* ---------- Steps ---------- */
.steps{list-style:none;padding:0;margin:0;counter-reset:step;}
.steps li{
  position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  padding:0 0 30px;margin:0;
}
.steps li:not(:last-child)::before{
  content:"";position:absolute;left:31px;top:52px;bottom:4px;width:2px;background:var(--c-line);
}
.step-num{
  display:flex;align-items:center;justify-content:center;
  width:64px;height:52px;border-radius:14px;background:var(--c-surface);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  font-size:19px;font-weight:700;color:var(--c-brand);letter-spacing:.5px;
}
.step-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.step-body p{font-size:15.5px;color:var(--c-ink-2);line-height:1.85;}
.step-body .tag{margin-top:10px;}

/* ---------- Quick list ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.quick-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.quick-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.quick-item h3{font-size:16.5px;font-weight:600;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start;}
.quick-item h3 svg{width:18px;height:18px;flex:none;margin-top:5px;color:var(--c-accent);}
.quick-item p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;}
.tip-bar{
  display:flex;gap:12px;align-items:flex-start;margin-top:20px;
  background:var(--c-brand-100);border-left:3px solid var(--c-brand);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:16px 20px;
  font-size:15px;color:var(--c-brand-800);
}
.tip-bar svg{width:19px;height:19px;flex:none;margin-top:5px;color:var(--c-brand);}

/* ---------- Accordion ---------- */
.acc-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.acc-item[open]{border-left:3px solid var(--c-brand);box-shadow:var(--sh-2);}
.acc-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);min-height:44px;
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary .chev{margin-left:auto;flex:none;width:18px;height:18px;color:var(--c-ink-3);transition:transform var(--ease);}
.acc-item[open] summary .chev{transform:rotate(180deg);color:var(--c-brand);}
.acc-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- Sidebar ---------- */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line);}
.side-links{list-style:none;padding:0;margin:0;}
.side-links li{margin:0;}
.side-links a{
  display:flex;align-items:center;gap:10px;min-height:44px;
  padding:8px 10px;border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--c-ink-2);
}
.side-links a:hover{background:var(--c-brand-100);color:var(--c-brand);}
.side-links svg{width:17px;height:17px;color:var(--c-brand);flex:none;}
.side-links .current{background:var(--c-brand-100);color:var(--c-brand);}
.side-promo{background:linear-gradient(160deg,var(--c-brand),var(--c-brand-800));border-color:transparent;color:#fff;}
.side-promo h3{color:#fff;border-bottom-color:rgba(255,255,255,.22);}
.side-promo p{font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.8;}
.side-price{display:flex;align-items:baseline;gap:8px;margin:14px 0 16px;}
.side-price strong{font-size:26px;font-weight:700;color:#fff;}
.side-price span{font-size:13px;color:rgba(255,255,255,.75);}
.side-faq{list-style:none;padding:0;margin:0;}
.side-faq li{font-size:14px;color:var(--c-ink-2);line-height:1.75;padding:10px 0;border-bottom:1px dashed var(--c-line);}
.side-faq li:last-child{border-bottom:0;}
.side-faq strong{color:var(--c-ink);font-weight:600;display:block;margin-bottom:2px;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:linear-gradient(150deg,var(--c-brand),var(--c-brand-800));color:#fff;
  margin-top:64px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:radial-gradient(circle at 20% 30%,#fff 0,transparent 42%),radial-gradient(circle at 78% 68%,#fff 0,transparent 38%);
}
.cta-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:48px;align-items:center;padding:64px 24px;
}
.cta-copy h2{font-size:clamp(22px,2.6vw,28px);color:#fff;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.86);font-size:16px;}
.cta-points{list-style:none;padding:0;margin:18px 0 0;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9);margin-bottom:8px;}
.cta-points svg{width:18px;height:18px;flex:none;margin-top:5px;color:#F0C79B;}
.cta-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:var(--r-card);padding:26px;}
.cta-form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#fff;}
.cta-form input{
  width:100%;min-height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.28);background:#fff;color:var(--c-ink);
  transition:all var(--ease);
}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(217,118,74,.28);}
.cta-form input.is-error{border-color:var(--c-danger);box-shadow:0 0 0 3px rgba(192,83,63,.24);}
.cta-form .btn{margin-top:14px;}
.form-error{display:block;font-size:13px;color:#FFD9CE;margin:10px 0 0;}
.form-success{display:block;font-size:13px;color:#CFEFE2;margin:12px 0 0;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.7);margin:12px 0 0;line-height:1.7;}
.form-note a{color:#fff;text-decoration:underline;text-underline-offset:3px;}
[hidden]{display:none !important;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-brand);color:rgba(255,255,255,.82);margin-top:0;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-intro{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.78);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.82);font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.8);}
.footer-contact strong{color:#fff;font-weight:600;}
.qr{
  width:96px;height:96px;background:#fff;border-radius:12px;padding:6px;margin-top:16px;
}
.qr svg{width:100%;height:100%;display:block;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0 34px;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;
  font-size:13px;color:rgba(255,255,255,.68);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .mobile-tab{display:flex;}
  body{padding-bottom:78px;}
  .site-header{height:56px;}
  .header-inner{height:56px;gap:16px;}
  .brand{font-size:16px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;}
  .brand-mark svg{width:18px;height:18px;}
  .header-actions{margin-left:auto;gap:8px;}
  .page-hero-inner{padding:40px 24px 44px;}
  .page-main{padding:40px 0 8px;}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-col{position:static;top:auto;}
  .block{margin-bottom:48px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:32px;padding:48px 24px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:639px){
  body{font-size:16.5px;}
  .container{padding:0 18px;}
  .page-hero-inner{padding:32px 18px 36px;}
  .page-hero .lede{font-size:15.5px;}
  .notice-inner{font-size:12.5px;align-items:flex-start;padding-top:10px;padding-bottom:10px;}
  .split{grid-template-columns:minmax(0,1fr);gap:22px;}
  .split--reverse .split-figure{order:-1;}
  .quick-grid{grid-template-columns:minmax(0,1fr);}
  .cards-wall{margin:0;}
  .cards-wall>.cell{padding:0;margin-bottom:18px;}
  .steps li{grid-template-columns:52px minmax(0,1fr);gap:14px;}
  .steps li:not(:last-child)::before{left:25px;top:44px;}
  .step-num{width:52px;height:44px;font-size:17px;border-radius:12px;}
  .cta-inner{padding:40px 18px;}
  .cta-form{padding:20px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .site-footer{padding-top:44px;}
  .side-card{padding:18px;}
}