/* roulang page: index */
:root{
  --c-night:#2A1B3D;
  --c-night-2:#3B2757;
  --c-accent:#FF6B4A;
  --c-accent-hover:#E85535;
  --c-mint:#35D0BA;
  --c-mint-deep:#1E7A6C;
  --c-bg:#FBF7F0;
  --c-surface:#FFFFFF;
  --c-ink:#1C1720;
  --c-body:#453C4E;
  --c-muted:#8A8095;
  --c-line:#EBE3D9;
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-card:0 8px 24px rgba(42,27,61,.08);
  --sh-card-h:0 16px 40px rgba(42,27,61,.14);
  --sh-dark:0 10px 30px rgba(0,0,0,.25);
  --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-body);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(53,208,186,.65);outline-offset:2px}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;
  padding:14px 28px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,74,.28)}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,74,.34)}
.btn-primary:active{transform:translateY(0) scale(.98);box-shadow:none}
.btn-outline{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-mint);color:var(--c-mint-deep);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-lg{padding:16px 34px;font-size:16px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:4px 10px;
  font-size:12px;line-height:1;font-weight:600;border-radius:var(--r-badge);
}
.badge-mint{background:rgba(53,208,186,.12);color:var(--c-mint-deep)}
.badge-accent{background:var(--c-accent);color:#fff}
.badge-soft{background:var(--c-line);color:var(--c-body)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(42,27,61,.08)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.brand-icon{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-night),var(--c-night-2));
  display:flex;align-items:center;justify-content:center;color:var(--c-mint);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px}
.brand-sub{font-size:11px;color:var(--c-muted)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--c-body);
  border-radius:8px;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:3px;background:transparent;transition:background .2s ease;
}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{background:rgba(255,107,74,.25)}
.nav-link.is-active{color:var(--c-accent);font-weight:600}
.nav-link.is-active::after{background:var(--c-accent)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;left:13px;color:var(--c-muted);pointer-events:none}
.nav-search input{
  width:200px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 16px 0 38px;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease,width .2s ease;
}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--c-mint);
  box-shadow:0 0 0 3px rgba(53,208,186,.35);
}
.nav-login{font-size:15px;color:var(--c-body);padding:8px 6px}
.nav-login:hover{color:var(--c-accent)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;color:var(--c-ink);
}
.nav-toggle:hover{border-color:var(--c-mint)}

/* ============ 抽屉 ============ */
.overlay{
  position:fixed;inset:0;background:rgba(28,23,32,.5);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:90;
}
.overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;
  background:#fff;z-index:100;padding:24px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
  box-shadow:-12px 0 40px rgba(42,27,61,.18);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;display:flex;align-items:center;justify-content:center;color:var(--c-ink);
}
.drawer-search{position:relative;margin-bottom:20px}
.drawer-search input{
  width:100%;height:46px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 16px 0 40px;font-size:14px;
}
.drawer-search input:focus{outline:none;background:#fff;border-color:var(--c-mint);box-shadow:0 0 0 3px rgba(53,208,186,.35)}
.drawer-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-muted)}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:12px;font-size:15px;color:var(--c-body);min-height:44px;
}
.drawer-link:hover{background:var(--c-bg);color:var(--c-ink)}
.drawer-link.is-active{background:rgba(255,107,74,.08);color:var(--c-accent);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px}

/* ============ Hero ============ */
.hero{position:relative;padding:72px 0 80px;overflow:hidden;background:var(--c-bg)}
.hero::before{
  content:"";position:absolute;top:-140px;right:-100px;width:440px;height:440px;
  border-radius:50%;background:radial-gradient(circle,rgba(53,208,186,.2),rgba(53,208,186,0) 70%);
  filter:blur(24px);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.hero-eyebrow{margin-bottom:18px}
.hero-title{
  font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.6px;color:var(--c-ink);
}
.hero-title .hl{color:var(--c-accent)}
.hero-sub{margin-top:16px;font-size:17px;color:var(--c-body);max-width:460px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted)}
.hero-trust svg{color:var(--c-mint);flex-shrink:0}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:0 24px 56px rgba(42,27,61,.18);background:var(--c-night);
}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:7/5}
.float-card{
  position:absolute;top:16px;right:16px;display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.95);border-radius:12px;padding:8px 14px;
  font-size:13px;font-weight:600;color:var(--c-ink);box-shadow:0 6px 18px rgba(42,27,61,.16);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 4px rgba(53,208,186,.22)}
.hero-stats{
  position:absolute;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(3,1fr);
  gap:8px;padding:20px 20px 16px;
  background:linear-gradient(to top,rgba(28,23,32,.82),rgba(28,23,32,0));
}
.hero-stats strong{display:block;font-size:24px;font-weight:800;color:var(--c-accent);line-height:1.2;font-family:Inter,system-ui,sans-serif}
.hero-stats span{font-size:12px;color:rgba(255,255,255,.82)}

/* ============ 板块 ============ */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;
}
.section-title{font-size:28px;line-height:1.3;font-weight:700}
.section-desc{margin-top:10px;font-size:15px;color:var(--c-body);max-width:620px}
.link-more{font-size:14px;font-weight:600;color:var(--c-accent);white-space:nowrap;padding:8px 0}
.link-more:hover{color:var(--c-accent-hover);text-decoration:underline}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-main{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-main:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(255,107,74,.35)}
.news-main .thumb{overflow:hidden;background:linear-gradient(135deg,rgba(42,27,61,.08),rgba(53,208,186,.15))}
.news-main .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-main:hover .thumb img{transform:scale(1.03)}
.news-main-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-main-title{font-size:20px;line-height:1.45;font-weight:600;color:var(--c-ink);transition:color .2s ease}
.news-main:hover .news-main-title{color:var(--c-accent)}
.news-main-sum{
  font-size:15px;color:var(--c-body);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--c-muted)}
.news-side{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:flex;gap:16px;padding:16px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;flex:1;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(255,107,74,.3)}
.news-item .thumb{
  width:96px;height:96px;flex-shrink:0;border-radius:var(--r-img);overflow:hidden;
  background:linear-gradient(135deg,rgba(42,27,61,.08),rgba(53,208,186,.15));
}
.news-item .thumb img{width:100%;height:100%;object-fit:cover}
.news-item-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-item-title{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-item:hover .news-item-title{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.news-item-meta{font-size:13px;color:var(--c-muted);margin-top:auto}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--c-muted);background:rgba(255,255,255,.5);
}
.empty-state svg{color:var(--c-mint)}

/* ============ 阶梯 ============ */
.ladder{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.ladder-item{
  display:flex;align-items:center;gap:24px;padding:26px 28px;
  border-top:1px dashed var(--c-line);position:relative;transition:background .2s ease;
}
.ladder-item:first-child{border-top:0}
.ladder-item:hover{background:rgba(53,208,186,.05)}
.ladder-item.is-hot{background:rgba(255,107,74,.06);box-shadow:inset 4px 0 0 var(--c-accent)}
.ladder-num{
  font-size:42px;font-weight:800;line-height:1;min-width:66px;
  color:rgba(42,27,61,.1);font-family:Inter,system-ui,sans-serif;
}
.ladder-item.is-hot .ladder-num{color:rgba(255,107,74,.22)}
.ladder-body{flex:1;min-width:0}
.ladder-name{font-size:18px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.ladder-desc{font-size:14px;color:var(--c-body)}
.ladder-go{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:var(--c-accent);padding:12px 18px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;transition:all .2s ease;min-height:44px;
}
.ladder-go:hover{border-color:var(--c-accent);transform:translateX(3px)}

/* ============ 方案对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;padding-top:20px}
.plan-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column;gap:18px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h)}
.plan-card.is-pop{
  transform:translateY(-16px) scale(1.04);
  border-color:rgba(255,107,74,.45);box-shadow:0 20px 44px rgba(42,27,61,.14);
}
.plan-card.is-pop:hover{transform:translateY(-20px) scale(1.04)}
.plan-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:var(--r-badge);white-space:nowrap;
}
.plan-name{font-size:18px;font-weight:600;color:var(--c-ink)}
.plan-lead{font-size:14px;color:var(--c-muted)}
.plan-figure{
  font-size:30px;font-weight:800;color:var(--c-accent);line-height:1.2;
  font-family:Inter,system-ui,sans-serif;
}
.plan-figure small{font-size:13px;font-weight:600;color:var(--c-muted);margin-left:6px}
.plan-feat{display:flex;flex-direction:column;gap:2px;flex:1}
.plan-feat li{display:flex;align-items:flex-start;gap:10px;font-size:15px;padding:7px 0;line-height:1.6}
.plan-feat li svg{flex-shrink:0;margin-top:5px;color:var(--c-mint)}
.plan-feat li.off{color:var(--c-muted);opacity:.6}
.plan-feat li.off svg{color:var(--c-muted)}
.plan-card .btn{margin-top:auto}

/* ============ 限时入口 ============ */
.entry-band{
  position:relative;overflow:hidden;background:var(--c-night);
  border-radius:24px;padding:56px;display:grid;grid-template-columns:1fr auto;
  gap:36px;align-items:center;color:rgba(255,255,255,.78);
  box-shadow:var(--sh-dark);
}
.entry-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.28),rgba(255,107,74,0) 70%);pointer-events:none;
}
.entry-band h2{color:#fff;font-size:28px;line-height:1.3}
.entry-band p{margin-top:12px;font-size:15px;max-width:560px;color:rgba(255,255,255,.72)}
.countdown{display:flex;align-items:center;gap:10px;margin-top:24px;flex-wrap:wrap}
.cd-block{
  background:rgba(255,255,255,.08);border-radius:10px;padding:10px 14px;
  text-align:center;min-width:66px;border:1px solid rgba(255,255,255,.1);
}
.cd-block strong{
  display:block;font-size:28px;font-weight:800;color:#fff;line-height:1.1;
  font-family:Inter,system-ui,sans-serif;
}
.cd-block span{font-size:11px;color:rgba(255,255,255,.6);letter-spacing:1px}
.cd-sep{color:var(--c-accent);font-size:22px;font-weight:800;line-height:1}
.entry-band .btn{position:relative;z-index:1}

/* ============ 咨询表单 ============ */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.consult-points{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.consult-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--c-body)}
.consult-points svg{flex-shrink:0;margin-top:5px;color:var(--c-mint)}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-input);border:1px solid var(--c-line);
  background:#fff;font-size:15px;color:var(--c-body);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:46px;padding:0 14px}
.field textarea{min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-mint);box-shadow:0 0 0 3px rgba(53,208,186,.35);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{
  border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,107,74,.18);
}
.field-error{display:none;margin-top:6px;font-size:12px;color:#D8402A;line-height:1.5}
.field.has-error .field-error{display:block}
.form-note{margin-top:14px;font-size:12px;color:var(--c-muted);line-height:1.7}
.form-hint{
  display:none;margin-top:14px;font-size:13px;color:var(--c-mint-deep);
  background:rgba(53,208,186,.1);border-radius:var(--r-input);padding:10px 14px;
}
.form-hint.is-show{display:block}

/* ============ 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-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(53,208,186,.5)}
.faq-item.is-open{box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;min-height:44px;
}
.faq-icon{
  position:relative;width:22px;height:22px;flex-shrink:0;color:var(--c-muted);
  transition:color .2s ease,transform .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px;transition:opacity .24s ease}
.faq-item.is-open .faq-icon{color:var(--c-accent)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-body)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-night);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:80px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-icon{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--c-accent),#FF9468);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.footer-brand-name{font-size:17px;font-weight:700;color:#fff}
.footer-about{font-size:14px;line-height:1.8;max-width:340px;color:rgba(255,255,255,.68)}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-links a:hover{color:var(--c-mint)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7}
.footer-contact svg{flex-shrink:0;margin-top:5px;color:var(--c-mint)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a:hover{color:var(--c-mint)}

/* ============ CTA 条 ============ */
.cta-band{
  background:linear-gradient(120deg,var(--c-night),var(--c-night-2));
  border-radius:20px;padding:40px 48px;display:flex;align-items:center;
  justify-content:space-between;gap:28px;color:rgba(255,255,255,.78);
  box-shadow:var(--sh-dark);
}
.cta-band h3{color:#fff;font-size:22px;line-height:1.4}
.cta-band p{margin-top:8px;font-size:14px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links,.nav-search,.nav-login{display:none}
  .nav-toggle{display:flex}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:34px}
  .news-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr;gap:20px;padding-top:0}
  .plan-card.is-pop{transform:none}
  .plan-card.is-pop:hover{transform:translateY(-4px)}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .entry-band{grid-template-columns:1fr;padding:40px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-title{font-size:22px}
  .hero-title{font-size:28px;line-height:1.3;letter-spacing:-.3px}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-trust{gap:14px}
  .hero-stats{grid-template-columns:repeat(3,1fr);padding:14px 14px 12px;gap:4px}
  .hero-stats strong{font-size:18px}
  .hero-stats span{font-size:11px}
  .ladder-item{flex-wrap:wrap;gap:14px;padding:20px}
  .ladder-num{font-size:30px;min-width:48px}
  .ladder-go{padding:10px 16px;font-size:13px;width:100%;justify-content:center}
  .news-item .thumb{width:84px;height:84px}
  .news-main-body{padding:18px}
  .form-card{padding:20px}
  .faq-q{padding:18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px;font-size:14px}
  .site-footer{padding-top:48px;margin-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .entry-band{padding:28px 22px;border-radius:18px}
  .entry-band h2{font-size:22px}
  .cd-block{min-width:58px;padding:8px 10px}
  .cd-block strong{font-size:22px}
  .cta-band{padding:26px 22px;border-radius:18px}
  .cta-band h3{font-size:19px}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .plan-figure{font-size:26px}
  .hero-trust li{font-size:13px}
}

/* roulang page: category1 */
:root{
  --c-night:#2A1B3D;
  --c-night-2:#3B2757;
  --c-accent:#FF6B4A;
  --c-accent-hover:#E85535;
  --c-mint:#35D0BA;
  --c-bg:#FBF7F0;
  --c-surface:#FFFFFF;
  --c-ink:#1C1720;
  --c-body:#453C4E;
  --c-muted:#8A8095;
  --c-line:#EBE3D9;
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-card:0 8px 24px rgba(42,27,61,.08);
  --sh-hover:0 16px 40px rgba(42,27,61,.14);
  --sh-dark:0 10px 30px rgba(0,0,0,.25);
}
*,*::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-body);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(53,208,186,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(42,27,61,.08);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.brand-icon{
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-night),var(--c-night-2));
  color:#fff;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--c-muted);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--c-body);
  border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{opacity:.35;transform:scaleX(1);}
.nav-link.is-active{color:var(--c-accent);font-weight:600;}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:200px;padding:0 14px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-muted);transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-mint);box-shadow:0 0 0 3px rgba(53,208,186,.22);}
.nav-search svg{flex-shrink:0;}
.nav-search input{
  width:100%;height:100%;border:none;outline:none;background:transparent;
  font-size:14px;color:var(--c-ink);
}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-login{font-size:14px;color:var(--c-body);padding:8px 6px;}
.nav-login:hover{color:var(--c-accent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 18px rgba(255,107,74,.28);}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,74,.34);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-secondary{background:#fff;color:var(--c-ink);border:1px solid var(--c-line);}
.btn-secondary:hover{border-color:var(--c-mint);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;
  color:var(--c-ink);border:1px solid var(--c-line);background:#fff;
}
.nav-toggle:hover{border-color:var(--c-mint);}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,23,32,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:#fff;z-index:90;padding:24px 20px;
  transform:translateX(105%);transition:transform .28s ease;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  box-shadow:-12px 0 40px rgba(42,27,61,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);color:var(--c-muted);}
.drawer-search input{width:100%;border:none;outline:none;background:transparent;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{padding:14px 4px;border-bottom:1px solid var(--c-line);font-size:16px;color:var(--c-ink);}
.drawer-links a.is-active{color:var(--c-accent);font-weight:600;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto;}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{padding:18px 0 0;}
.breadcrumb{font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:#C9BFD2;}
.breadcrumb .current{color:var(--c-body);}

/* ---------- hero ---------- */
.hero-band{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFDF8 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.hero-band::before{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,208,186,.28),rgba(53,208,186,0) 68%);
  pointer-events:none;
}
.hero-band::after{
  content:"";position:absolute;left:-160px;bottom:-200px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.14),rgba(255,107,74,0) 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;min-height:240px;display:flex;flex-direction:column;justify-content:center;gap:14px;padding:32px 24px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  height:24px;padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(53,208,186,.14);color:#1E7A6C;
  font-size:12px;font-weight:600;line-height:1;
}
.hero-inner h1{font-size:32px;line-height:1.25;font-weight:700;max-width:760px;}
.hero-inner h1 em{font-style:normal;color:var(--c-accent);}
.hero-lead{font-size:16px;color:var(--c-body);max-width:640px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px;}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-badge);
  padding:7px 12px;font-size:13px;color:var(--c-body);
}
.fact-chip i{width:7px;height:7px;border-radius:50%;background:var(--c-mint);display:inline-block;}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:700;margin-bottom:12px;}
.section-head p{font-size:15px;color:var(--c-muted);}

/* ---------- category layout ---------- */
.cat-layout{display:grid;grid-template-columns:264px 1fr;gap:32px;align-items:start;}
.index-card{
  position:sticky;top:92px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
}
.index-title{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--c-muted);margin-bottom:14px;}
.index-list{display:flex;flex-direction:column;gap:2px;}
.index-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 12px;border-radius:10px;font-size:15px;color:var(--c-body);
  border-left:3px solid transparent;
}
.index-list a:hover{background:#FBF7F0;color:var(--c-ink);}
.index-list a.is-current{
  background:rgba(255,107,74,.08);border-left-color:var(--c-accent);
  color:var(--c-accent);font-weight:600;
}
.index-tip{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);line-height:1.75;
}

.info-list{display:flex;flex-direction:column;gap:20px;}
.info-card{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  scroll-margin-top:96px;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#E2D8CB;}
.info-thumb{
  flex:0 0 120px;width:120px;height:90px;border-radius:var(--r-img);
  overflow:hidden;background:linear-gradient(135deg,rgba(42,27,61,.08),rgba(53,208,186,.16));
}
.info-thumb img{width:100%;height:100%;object-fit:cover;}
.info-body{flex:1;min-width:0;}
.info-title{
  font-size:18px;font-weight:600;color:var(--c-ink);margin-bottom:8px;
  display:block;transition:color .2s ease;
}
.info-card:hover .info-title{color:var(--c-accent);}
.info-sum{
  font-size:14px;color:var(--c-body);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;flex-wrap:wrap;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:4px 10px;
  border-radius:var(--r-badge);font-size:12px;line-height:1;font-weight:600;
}
.badge-mint{background:rgba(53,208,186,.14);color:#1E7A6C;}
.badge-line{background:var(--c-line);color:var(--c-body);font-weight:500;}
.card-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-ink);
}
.card-more svg{transition:transform .2s ease;}
.info-card:hover .card-more{color:var(--c-accent);}
.info-card:hover .card-more svg{transform:translateX(4px);}

/* ---------- steps ---------- */
.step-strip{
  background:var(--c-night);border-radius:24px;padding:40px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;color:rgba(255,255,255,.78);
  box-shadow:var(--sh-dark);
}
.step-item .step-no{font-size:26px;font-weight:800;color:var(--c-accent);line-height:1;}
.step-item h3{color:#fff;font-size:17px;font-weight:600;margin:12px 0 8px;}
.step-item p{font-size:14px;line-height:1.8;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-card);border-color:#E2D8CB;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-sign{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;color:var(--c-body);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-sign{background:rgba(255,107,74,.1);border-color:rgba(255,107,74,.3);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-body);}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--c-night),var(--c-night-2));
  border-radius:20px;padding:44px 48px;color:rgba(255,255,255,.78);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-dark);
}
.cta-band h3{color:#fff;font-size:22px;font-weight:700;margin-bottom:8px;}
.cta-band p{font-size:14px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-night);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-icon{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:var(--c-mint);
}
.footer-brand-name{font-size:16px;font-weight:700;color:#fff;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-mint);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}
.footer-contact svg{flex-shrink:0;margin-top:4px;color:var(--c-mint);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-search{width:160px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .cat-layout{grid-template-columns:1fr;gap:28px;}
  .index-card{position:static;}
  .step-strip{grid-template-columns:1fr;gap:24px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-wrap{height:60px;gap:12px;}
  .brand-sub{display:none;}
  .nav-login{display:none;}
  .hero-inner{padding:28px 16px;min-height:200px;}
  .hero-inner h1{font-size:26px;line-height:1.34;}
  .hero-lead{font-size:15px;}
  .section-head h2{font-size:23px;}
  .info-card{padding:18px;gap:14px;flex-direction:column;}
  .info-thumb{width:100%;height:150px;flex:none;}
  .cta-band{padding:32px 24px;}
  .cta-band h3{font-size:19px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-about{max-width:none;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
}
@media (max-width:520px){
  .hero-facts{gap:8px;}
  .fact-chip{font-size:12px;padding:6px 10px;}
  .btn{padding:13px 22px;}
  .step-strip{padding:24px 20px;}
}

/* roulang page: article */
:root{
  --c-night:#2A1B3D;
  --c-night-2:#3B2757;
  --c-accent:#FF6B4A;
  --c-accent-hover:#E85535;
  --c-mint:#35D0BA;
  --c-bg:#FBF7F0;
  --c-surface:#FFFFFF;
  --c-ink:#1C1720;
  --c-body:#453C4E;
  --c-muted:#8A8095;
  --c-line:#EBE3D9;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-card:0 8px 24px rgba(42,27,61,.08);
  --sh-card-hover:0 16px 40px rgba(42,27,61,.14);
  --sh-dark:0 10px 30px rgba(0,0,0,.25);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
p{margin:0}
:focus-visible{outline:3px solid rgba(53,208,186,.6);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.2) blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(42,27,61,.08)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.brand-icon{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-night),var(--c-night-2));
  color:#fff;display:grid;place-items:center;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--c-muted);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;font-size:15px;color:var(--c-body);
  padding:8px 0;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  border-radius:3px;background:transparent;transition:background .2s ease;
}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{background:rgba(255,107,74,.22)}
.nav-link.is-active{color:var(--c-accent);font-weight:600}
.nav-link.is-active::after{background:var(--c-accent)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;
  padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  background:#fff;color:var(--c-muted);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-mint);box-shadow:0 0 0 3px rgba(53,208,186,.3)}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:14px;color:var(--c-ink);
}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-login{font-size:14px;color:var(--c-body);padding:10px 4px;transition:color .2s ease}
.nav-login:hover{color:var(--c-accent)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);color:var(--c-ink);
  place-items:center;transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--c-mint);background:rgba(53,208,186,.08)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,107,74,.28)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-mint);color:var(--c-night);transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-accent);font-weight:600;font-size:14px;
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.btn-text:hover{color:var(--c-accent-hover);border-color:var(--c-accent-hover)}

/* ===== Badges ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;font-weight:600;line-height:1;
}
.badge-cat{background:rgba(53,208,186,.12);color:#1E7A6C}
.badge-promo{background:var(--c-accent);color:#fff}
.badge-state{background:var(--c-line);color:var(--c-body)}

/* ===== Breadcrumb ===== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-muted);padding:22px 0 0;
}
.breadcrumb .sep{color:#CFC5BA}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .current{color:var(--c-body);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Article header ===== */
.post-header{padding:22px 0 28px;border-bottom:1px solid var(--c-line)}
.post-title{
  font-size:34px;line-height:1.4;font-weight:700;color:var(--c-ink);
  margin:16px 0 0;max-width:900px;
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:13px;color:var(--c-muted);
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#D9CFC3}
.post-cover{
  margin-top:26px;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--c-line);background:#fff;
}
.post-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ===== Layout ===== */
.post-layout{
  display:grid;grid-template-columns:minmax(0,760px) 220px;
  gap:48px;justify-content:center;padding:44px 0 72px;
}
.prose{font-size:16px;line-height:1.85;color:var(--c-body);max-width:780px}
.prose p{margin:0 0 1.15em}
.prose h2{
  position:relative;font-size:24px;font-weight:600;color:var(--c-ink);
  margin:40px 0 16px;padding-left:14px;line-height:1.4;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:18px;
  border-radius:2px;background:var(--c-accent);
}
.prose h3{font-size:19px;font-weight:600;color:var(--c-ink);margin:28px 0 12px}
.prose h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:22px 0 10px}
.prose ul{list-style:disc;padding-left:22px;margin:0 0 1.15em}
.prose ol{list-style:decimal;padding-left:22px;margin:0 0 1.15em}
.prose li{margin-bottom:.5em;line-height:1.8}
.prose strong{color:var(--c-ink);font-weight:600}
.prose blockquote{
  margin:24px 0;padding:16px 20px;border-left:4px solid var(--c-mint);
  background:#F2FAF8;border-radius:0 12px 12px 0;color:var(--c-body);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-img);margin:24px auto}
.prose figure{margin:24px 0}
.prose figcaption{text-align:center;font-size:13px;color:var(--c-muted);margin-top:8px}
.prose a{color:var(--c-accent);border-bottom:1px solid var(--c-accent);transition:color .2s ease,border-color .2s ease}
.prose a:hover{color:var(--c-night);border-color:var(--c-night)}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
  margin:24px 0;font-size:15px;
}
.prose thead th{background:var(--c-night);color:#fff;font-weight:600;padding:12px 16px;text-align:left}
.prose tbody td{padding:12px 16px;border-top:1px solid var(--c-line);line-height:1.7}
.prose tbody tr:nth-child(even){background:var(--c-bg)}
.prose code{
  background:#F3EFE8;padding:2px 6px;border-radius:6px;font-size:.92em;
  font-family:ui-monospace,Menlo,Consolas,"Courier New",monospace;color:#5A4A6B;
}
.prose pre{
  background:#F3EFE8;border-radius:12px;padding:16px;overflow:auto;
  margin:24px 0;font-size:14px;line-height:1.7;
}
.prose pre code{background:none;padding:0}
.prose hr{border:0;border-top:1px dashed var(--c-line);margin:32px 0}

/* ===== Side card ===== */
.side-card{
  position:sticky;top:96px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);
}
.side-title{font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-mint)}
.side-list li{
  font-size:13px;line-height:1.7;color:var(--c-body);
  padding-left:14px;position:relative;margin-bottom:12px;
}
.side-list li:last-child{margin-bottom:0}
.side-list li::before{
  content:"";position:absolute;left:0;top:.65em;width:5px;height:5px;
  border-radius:50%;background:var(--c-mint);
}
.side-note{font-size:12px;color:var(--c-muted);margin-top:14px;line-height:1.7}

/* ===== Empty state ===== */
.empty-box{
  border:1px dashed var(--c-line);border-radius:var(--r-card);
  min-height:220px;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:14px;background:#fff;text-align:center;padding:32px;
}
.empty-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:rgba(53,208,186,.12);color:#1E7A6C;
}
.empty-text{font-size:15px;color:var(--c-ink);font-weight:600}
.empty-sub{font-size:13px;color:var(--c-muted);max-width:32ch}

/* ===== CTA band ===== */
.cta-band{
  margin-top:56px;border-radius:20px;padding:34px 38px;
  background:linear-gradient(120deg,var(--c-night),var(--c-night-2));
  color:#fff;display:flex;align-items:center;justify-content:space-between;
  gap:26px;box-shadow:var(--sh-dark);
}
.cta-band h3{color:#fff;font-size:21px;font-weight:700;margin-bottom:6px}
.cta-band p{color:rgba(255,255,255,.74);font-size:14px;line-height:1.7;max-width:52ch}

/* ===== Related ===== */
.section-block{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:26px;line-height:1.35}
.section-head .sub{font-size:14px;color:var(--c-muted);margin-top:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:#E0D6C9}
.rel-card:hover .rel-title{color:var(--c-accent)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(42,27,61,.08),rgba(53,208,186,.15))}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);transition:color .2s ease}
.rel-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-muted);margin-top:auto}

/* ===== Back row ===== */
.back-row{display:flex;justify-content:center;gap:24px;padding:32px 0 8px;flex-wrap:wrap}
.back-row a{
  font-size:14px;color:var(--c-body);display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid var(--c-line);padding-bottom:3px;transition:color .2s ease,border-color .2s ease;
}
.back-row a:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ===== Footer ===== */
.site-footer{background:var(--c-night);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-icon{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.1);color:var(--c-mint);
}
.footer-brand-name{color:#fff;font-size:16px;font-weight:700}
.footer-about{font-size:13px;line-height:1.8;color:rgba(255,255,255,.66);max-width:34ch}
.footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-links a:hover{color:var(--c-mint)}
.footer-contact li{display:flex;gap:8px;font-size:13px;line-height:1.7;margin-bottom:12px;color:rgba(255,255,255,.7)}
.footer-contact svg{flex-shrink:0;margin-top:4px;color:var(--c-mint)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.55);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ===== Drawer ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,23,32,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform .28s ease;padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:16px;font-weight:700;color:var(--c-ink)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-ink);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-input);color:var(--c-muted);margin-bottom:18px;
}
.drawer-search input{border:0;outline:0;width:100%;font-size:14px;background:transparent}
.drawer-nav a{
  display:block;font-size:15px;color:var(--c-body);padding:14px 4px;
  border-bottom:1px solid var(--c-line);transition:color .2s ease;
}
.drawer-nav a:hover{color:var(--c-accent)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.drawer-actions .btn{width:100%}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .nav-search{width:180px}
  .post-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:36px 0 56px}
  .side-card{position:static}
  .side-card{order:2}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-wrap{height:60px;gap:12px}
  .brand-sub{display:none}
  .nav-search{display:none}
  .nav-login{display:none}
  .post-title{font-size:26px;line-height:1.36}
  .prose{font-size:16px}
  .prose h2{font-size:21px;margin:32px 0 14px}
  .prose h3{font-size:18px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-band .btn{width:100%}
  .rel-grid{grid-template-columns:1fr}
  .section-head h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 20px;margin-top:56px}
  .back-row{gap:16px}
}
@media (max-width:520px){
  .post-meta{gap:8px}
  .breadcrumb .current{max-width:30ch}
  .post-cover img{aspect-ratio:16/9}
}

/* roulang page: category2 */
:root{
  --c-night:#2A1B3D;
  --c-night-2:#3B2757;
  --c-accent:#FF6B4A;
  --c-accent-hover:#E85535;
  --c-mint:#35D0BA;
  --c-mint-ink:#1E7A6C;
  --c-bg:#FBF7F0;
  --c-surface:#FFFFFF;
  --c-ink:#1C1720;
  --c-body:#453C4E;
  --c-muted:#8A8095;
  --c-line:#EBE3D9;
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --sh-card:0 8px 24px rgba(42,27,61,.08);
  --sh-hover:0 16px 40px rgba(42,27,61,.14);
  --sh-dark:0 10px 30px rgba(0,0,0,.25);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
html ul,html ol{list-style:none;margin:0;padding:0}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease),opacity var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(53,208,186,.65);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 容器与板块 */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:64px 0}
.section--alt{background:var(--c-surface)}
.section-head{max-width:720px;margin:0 auto 36px;text-align:center}
.section-head--left{margin-left:0;margin-right:0;text-align:left;max-width:640px}
.section-eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-mint-ink);background:rgba(53,208,186,.12);padding:4px 10px;border-radius:8px;margin-bottom:12px}
.section-title{font-size:28px;line-height:1.4;font-weight:700;color:var(--c-ink);margin:0 0 10px}
.section-sub{font-size:15px;color:var(--c-muted);margin:0}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:13px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease)}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-outline:hover{border-color:var(--c-mint);color:var(--c-night)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(42,27,61,.08)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.brand-icon{width:32px;height:32px;border-radius:10px;background:var(--c-night);color:#fff;display:flex;align-items:center;justify-content:center}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--c-muted)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--c-body);border-radius:8px;transition:color var(--ease)}
.nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:3px;background:transparent;transition:background-color var(--ease)}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{background:rgba(53,208,186,.5)}
.nav-link.is-active{color:var(--c-accent);font-weight:600}
.nav-link.is-active::after{background:var(--c-accent)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-bg);color:var(--c-muted);transition:border-color var(--ease),box-shadow var(--ease)}
.nav-search input{border:0;background:transparent;outline:none;width:146px;font-size:14px;color:var(--c-ink)}
.nav-search:focus-within{border-color:var(--c-mint);box-shadow:0 0 0 3px rgba(53,208,186,.35)}
.nav-login{font-size:14px;color:var(--c-body);padding:8px 4px}
.nav-login:hover{color:var(--c-accent)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);color:var(--c-ink);background:#fff}
.nav-toggle:hover{border-color:var(--c-mint)}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(28,23,32,.5);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;transform:translateX(105%);transition:transform .32s ease;z-index:90;padding:22px 20px 32px;overflow-y:auto;box-shadow:-12px 0 40px rgba(42,27,61,.18)}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:16px;font-weight:700;color:var(--c-ink)}
.drawer-close{width:44px;height:44px;border-radius:12px;font-size:24px;line-height:1;color:var(--c-body);display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--c-bg);color:var(--c-accent)}
.drawer-search{display:flex;align-items:center;height:46px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-bg);margin-bottom:20px}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;color:var(--c-ink)}
.drawer-search:focus-within{border-color:var(--c-mint);box-shadow:0 0 0 3px rgba(53,208,186,.35)}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-links a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--c-body)}
.drawer-links a:hover{background:var(--c-bg);color:var(--c-ink)}
.drawer-links a.is-active{color:var(--c-accent);font-weight:600;background:rgba(255,107,74,.08)}
.drawer-actions{display:flex;flex-direction:column;gap:12px}
.drawer-actions .btn{width:100%}

/* 分类页 Hero */
.cat-hero{position:relative;overflow:hidden;padding:64px 0 56px;background:var(--c-bg);text-align:center}
.cat-hero-media{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.15}
.cat-hero::after{content:"";position:absolute;top:-150px;right:-120px;width:340px;height:340px;border-radius:50%;background:rgba(53,208,186,.18);filter:blur(70px)}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto}
.hero-eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.05em;color:#fff;background:var(--c-night);padding:6px 14px;border-radius:8px;margin-bottom:18px}
.hero-title{font-size:32px;line-height:1.35;font-weight:700;color:var(--c-ink);margin:0 0 14px}
.hero-sub{font-size:16px;color:var(--c-body);max-width:560px;margin:0 auto 26px}
.hero-search{display:flex;align-items:center;gap:10px;max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:6px 6px 6px 20px;box-shadow:var(--sh-card);color:var(--c-muted);transition:border-color var(--ease),box-shadow var(--ease)}
.hero-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;height:44px;font-size:15px;color:var(--c-ink)}
.hero-search:focus-within{border-color:var(--c-mint);box-shadow:0 0 0 3px rgba(53,208,186,.35)}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:24px}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding:18px 0}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .current{color:var(--c-body)}

/* 状态条 */
.status-band{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.status-inner{display:flex;flex-wrap:wrap;gap:20px 40px;padding:20px 24px;align-items:center}
.status-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-muted)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 4px rgba(53,208,186,.18)}
.status-value{color:var(--c-ink);font-weight:800;font-size:16px;font-variant-numeric:tabular-nums}

/* 图标卡网格 */
.icon-grid{display:grid;gap:24px}
.icon-grid--top{grid-template-columns:repeat(2,1fr)}
.icon-grid--bottom{grid-template-columns:repeat(3,1fr);margin-top:24px}
.feature-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(53,208,186,.45)}
.feature-icon{width:44px;height:44px;border-radius:14px;background:rgba(53,208,186,.12);color:var(--c-mint-ink);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.feature-tag{display:inline-block;font-size:12px;line-height:24px;padding:0 10px;border-radius:8px;background:var(--c-line);color:var(--c-body);margin-bottom:12px;align-self:flex-start}
.feature-title{font-size:18px;font-weight:600;color:var(--c-ink);margin:0 0 8px;transition:color var(--ease)}
.feature-card:hover .feature-title{color:var(--c-accent)}
.feature-desc{font-size:15px;line-height:1.8;color:var(--c-body);margin:0 0 18px}
.feature-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-accent);margin-top:auto}
.feature-more svg{transition:transform var(--ease)}
.feature-card:hover .feature-more svg{transform:translateX(4px)}
.icon-grid--bottom .feature-card:nth-child(2){margin-top:24px}

/* 操作步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.step-num{font-size:30px;font-weight:800;line-height:1;color:rgba(42,27,61,.14);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.step-title{font-size:17px;font-weight:600;color:var(--c-ink);margin:14px 0 8px}
.step-desc{font-size:15px;line-height:1.8;color:var(--c-body);margin:0}

/* 最近更新 */
.update-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start}
.update-figure{margin:0}
.update-figure img{width:100%;height:100%;max-height:340px;object-fit:cover;border-radius:var(--r-img)}
.update-figure figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px;line-height:1.7}
.update-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.update-item{display:flex;align-items:center;gap:16px;padding:16px 22px;border-bottom:1px solid var(--c-line);transition:background-color var(--ease)}
.update-item:last-child{border-bottom:0}
.update-item:hover{background:var(--c-bg)}
.update-date{font-size:13px;color:var(--c-muted);min-width:92px;font-variant-numeric:tabular-nums}
.update-title{font-size:15px;font-weight:500;color:var(--c-ink);flex:1;transition:color var(--ease)}
.update-item:hover .update-title{color:var(--c-accent)}
.update-arrow{color:var(--c-muted);flex:0 0 auto}

/* 对比表 */
.compare-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden}
table.compare{width:100%;border-collapse:collapse}
table.compare thead th{background:var(--c-night);color:#fff;font-size:15px;font-weight:600;text-align:left;padding:18px 22px;letter-spacing:.01em}
table.compare tbody th{text-align:left;font-size:15px;font-weight:600;color:var(--c-ink);padding:18px 22px;width:180px;vertical-align:top}
table.compare td{font-size:15px;color:var(--c-body);padding:18px 22px;vertical-align:top;line-height:1.75}
table.compare tbody tr{border-top:1px solid var(--c-line)}
table.compare tbody tr:nth-child(even){background:var(--c-bg)}

/* 常见疑问 */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease)}
.faq-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.faq-q{display:flex;gap:10px;font-size:16px;font-weight:600;color:var(--c-ink);margin:0 0 10px;line-height:1.6}
.faq-q .q-mark{color:var(--c-accent);font-weight:800;flex:0 0 auto}
.faq-a{font-size:15px;line-height:1.8;color:var(--c-body);margin:0;padding-left:24px}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:var(--c-night);border-radius:24px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-dark)}
.cta-band::after{content:"";position:absolute;right:-90px;bottom:-130px;width:280px;height:280px;border-radius:50%;background:rgba(255,107,74,.2);filter:blur(60px)}
.cta-text{position:relative;z-index:1}
.cta-text h3{font-size:22px;font-weight:700;color:#fff;margin:0 0 8px}
.cta-text p{font-size:15px;color:rgba(255,255,255,.72);margin:0}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--c-night);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-icon{width:30px;height:30px;border-radius:10px;background:rgba(255,255,255,.1);color:var(--c-mint);display:flex;align-items:center;justify-content:center}
.footer-brand-name{font-size:16px;font-weight:700;color:#fff}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:330px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-mint)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;margin-bottom:12px}
.footer-contact svg{flex:0 0 auto;margin-top:5px;color:var(--c-mint)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.5)}

/* 响应式 */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .icon-grid--bottom{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .update-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-band{padding:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .nav-wrap{height:60px;gap:12px}
  .brand-sub{display:none}
  .nav-login{display:none}
  .nav-right{gap:8px}
  .hero-title{font-size:26px}
  .hero-sub{font-size:15px}
  .section-title{font-size:22px}
  .icon-grid--top,.icon-grid--bottom{grid-template-columns:1fr}
  .icon-grid--bottom .feature-card:nth-child(2){margin-top:0}
  .steps{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .faq-card{padding:20px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .status-inner{padding:16px}
  .compare-wrap{background:transparent;border:0;box-shadow:none}
  table.compare,table.compare tbody,table.compare tr,table.compare th,table.compare td{display:block;width:100%}
  table.compare thead{display:none}
  table.compare tbody tr{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;margin-bottom:16px;box-shadow:var(--sh-card)}
  table.compare tbody tr:nth-child(even){background:var(--c-surface)}
  table.compare tbody th{padding:0 0 6px;font-size:16px;color:var(--c-ink)}
  table.compare td{padding:8px 0;border-top:1px dashed var(--c-line)}
  table.compare td::before{content:attr(data-label);display:block;font-size:12px;color:var(--c-muted);margin-bottom:2px}
}
@media (max-width:520px){
  .hero-search{padding:6px 6px 6px 16px}
  .hero-search .btn{padding:9px 16px;font-size:13px}
  .update-item{flex-wrap:wrap;gap:6px}
  .update-date{min-width:0}
}