/* roulang page: index */
:root{
  --c-primary:#0E6E63;
  --c-primary-deep:#08403C;
  --c-primary-soft:#E4F1EE;
  --c-accent:#E4692B;
  --c-accent-soft:#FDEDE3;
  --c-accent-ink:#B84A16;
  --c-gold:#F0B429;
  --c-bg:#F7F3ED;
  --c-surface:#FFFFFF;
  --c-ink:#16201E;
  --c-ink-2:#4A5A57;
  --c-line:#E3DDD3;

  --grad-main:linear-gradient(135deg,#0E6E63 0%,#0A4F49 55%,#0A3B38 100%);
  --sh-1:0 2px 8px rgba(22,32,30,.05);
  --sh-2:0 10px 30px rgba(14,110,99,.10);
  --sh-3:0 18px 48px rgba(14,110,99,.16);

  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;

  --bs-primary:#0E6E63;
  --bs-primary-rgb:14,110,99;
  --bs-link-color:#0E6E63;
  --bs-link-hover-color:#08403C;
  --bs-border-radius:16px;
  --bs-border-radius-lg:20px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-body-color:#16201E;
  --bs-body-bg:#F7F3ED;
  --bs-body-font-size:16px;
  --bs-border-color:#E3DDD3;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease}
a:hover{color:var(--c-primary-deep)}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{color:var(--c-ink);letter-spacing:-.5px;margin:0}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:800}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800}
h3{font-size:19px;line-height:1.4;font-weight:700}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform 180ms ease,box-shadow 180ms ease,background-color 180ms ease,color 180ms ease,border-color 180ms ease;
  white-space:nowrap;
}
.btn-main{background:var(--c-accent);color:#fff;box-shadow:0 8px 22px rgba(228,105,43,.28)}
.btn-main:hover{background:#d55f22;color:#fff;transform:translateY(-2px)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{background:#fff;color:var(--c-primary);border-color:var(--c-line);box-shadow:var(--sh-1)}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--c-primary)}
.btn-text i{transition:transform 180ms ease;font-size:14px}
.btn-text:hover i{transform:translateX(4px)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:16px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:var(--grad-main);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;
  box-shadow:var(--sh-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16.5px;font-weight:800;letter-spacing:-.3px}
.brand-text span{font-size:11.5px;color:var(--c-ink-2);letter-spacing:.6px}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  padding:6px;margin-left:auto;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
}
.nav-chip{
  display:inline-block;padding:9px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:background-color 180ms ease,color 180ms ease,box-shadow 180ms ease;
  white-space:nowrap;
}
.nav-chip:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.nav-chip.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-icon{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink-2);display:grid;place-items:center;font-size:18px;
  transition:color 180ms ease,border-color 180ms ease,background-color 180ms ease;
}
.nav-icon:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-soft)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-size:22px;place-items:center;margin-left:auto;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-drawer{display:none}
.nav-drawer.show{
  display:flex;flex-direction:column;gap:4px;
  position:absolute;left:16px;right:16px;top:82px;
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  box-shadow:var(--sh-3);padding:12px;z-index:1040;
}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:12px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.drawer-link.active{background:var(--c-primary);color:#fff}
.nav-drawer .btn-main{width:100%;margin-top:8px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--grad-main);
  color:#fff;
  padding:66px 0 100px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1.6px,transparent 1.6px);
  background-size:34px 34px;opacity:.28;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-3%;right:-3%;bottom:-2px;height:60px;
  background:var(--c-bg);
  border-radius:50% 50% 0 0 / 100% 100% 0 0;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  font-size:13px;color:rgba(255,255,255,.92);margin-bottom:18px;
}
.hero-badge i{color:var(--c-gold)}
.hero h1{color:#fff;margin-bottom:18px}
.hero-sub{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-cta .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero-cta .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-stat{
  display:flex;align-items:baseline;gap:7px;
  padding:9px 16px;border-radius:12px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
}
.hero-stat b{font-size:20px;font-weight:800;color:#fff}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.82)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.hero-float{
  position:absolute;right:-6px;bottom:-22px;
  display:flex;flex-direction:column;gap:2px;
  background:#fff;border-radius:16px;padding:16px 20px;
  box-shadow:var(--sh-3);min-width:190px;
}
.hero-float strong{font-size:30px;font-weight:800;color:var(--c-accent);line-height:1.1;font-variant-numeric:tabular-nums}
.hero-float span{font-size:13px;color:var(--c-ink-2);line-height:1.5}

/* ---------- 信任条 ---------- */
.trust-bar{padding:26px 0 6px}
.trust-list{display:flex;flex-wrap:wrap;gap:14px 34px;justify-content:center}
.trust-item{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-ink-2);opacity:.78;
}
.trust-item i{font-size:16px;color:var(--c-primary)}

/* ---------- 通用板块 ---------- */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-head{margin-bottom:34px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-head .lead{font-size:15.5px;color:var(--c-ink-2);max-width:660px;margin:12px 0 0}
.sec-title{display:flex;align-items:center;gap:12px}
.sec-title::before{content:"";width:4px;height:26px;border-radius:2px;background:var(--c-accent);flex:0 0 auto}
.sec-center{text-align:center;margin-bottom:38px}
.sec-center .sec-title{justify-content:center}
.sec-center .lead{margin-left:auto;margin-right:auto}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}

/* ---------- 痛点区 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pain-card{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#D6E7E3}
.pain-no{
  font-size:34px;font-weight:800;color:var(--c-primary-soft);
  line-height:1;flex:0 0 auto;font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
}
.pain-card h3{margin-bottom:8px}
.pain-card p{font-size:14.5px;color:var(--c-ink-2);margin:0}

/* ---------- 解决方案 ---------- */
.solution{background:var(--c-primary-soft);border-radius:0}
.solution-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.solution-side{position:sticky;top:104px}
.solution-side img{border-radius:var(--r-lg);aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh-2);width:100%}
.solution-side h3{margin:22px 0 10px}
.solution-side p{font-size:14.5px;color:var(--c-ink-2)}
.solution-list{display:flex;flex-direction:column}
.step{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 4px;
  border-bottom:1px dashed rgba(14,110,99,.28);
}
.step:last-child{border-bottom:0}
.step-no{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.step h3{margin-bottom:8px}
.step p{font-size:14.5px;color:var(--c-ink-2);margin:0}

/* ---------- 成果数据 ---------- */
.stats{background:var(--grad-main);color:#fff;padding:84px 0}
.stats .sec-title::before{background:var(--c-gold)}
.stats h2{color:#fff}
.stats .lead{color:rgba(255,255,255,.8)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-lg);padding:26px 24px;
  transition:transform 180ms ease,background-color 180ms ease;
}
.stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.13)}
.stat-card b{
  display:block;font-size:clamp(32px,4vw,54px);font-weight:800;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat-card b em{font-style:normal;font-size:.5em;font-weight:700;margin-left:4px;color:var(--c-gold)}
.stat-card span{display:block;margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.82)}

/* ---------- 证言 ---------- */
.voice-track{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  align-items:start;
}
.voice-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:28px 26px 26px 30px;box-shadow:var(--sh-1);
  overflow:hidden;transition:transform 180ms ease,box-shadow 180ms ease;
}
.voice-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 4px 4px 0;background:var(--c-primary)}
.voice-card:nth-child(2){transform:translateY(-8px)}
.voice-card:hover{box-shadow:var(--sh-3)}
.voice-quote{font-size:34px;line-height:1;color:var(--c-primary-soft);font-weight:800;margin-bottom:8px}
.voice-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.85;margin-bottom:20px}
.voice-person{display:flex;align-items:center;gap:12px}
.voice-avatar{
  width:48px;height:48px;border-radius:50%;flex:0 0 auto;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-weight:800;font-size:16px;
}
.voice-person b{display:block;font-size:15px}
.voice-person span{font-size:13px;color:var(--c-ink-2)}
.voice-stars{color:var(--c-gold);font-size:13px;margin-top:4px;letter-spacing:2px}

/* ---------- 最新信息 ---------- */
.news-sec{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.cat-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  background:var(--c-accent-soft);color:var(--c-accent-ink);
  font-size:13.5px;font-weight:700;
  transition:transform 180ms ease,background-color 180ms ease;
}
.cat-chip:hover{background:#FBE0D2;color:var(--c-accent-ink);transform:translateY(-2px)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 180ms ease,box-shadow 180ms ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.news-thumb{position:relative;display:block;overflow:hidden;aspect-ratio:16/9}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-chip{
  position:absolute;left:14px;top:14px;
  background:var(--c-accent-soft);color:var(--c-accent-ink);
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.news-title{font-size:17px;line-height:1.45;margin-bottom:10px}
.news-title a{color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--c-primary)}
.news-sum{
  font-size:14px;color:var(--c-ink-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-2);
}
.news-date{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.news-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--c-primary)}
.news-more i{transition:transform 180ms ease}
.news-card:hover .news-more i{transform:translateX(4px)}
.news-empty{
  border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--c-ink-2);background:#FDFCFA;
}
.news-empty p{margin-bottom:16px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--c-ink);
  transition:background-color 180ms ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBFAF7}
.faq-mark{
  width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:16px;font-weight:800;
  transition:background-color 180ms ease,color 180ms ease,transform 180ms ease;
}
.faq-item[open] .faq-mark{background:var(--c-primary);color:#fff;transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--grad-main);border-radius:24px;padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--sh-3)}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);margin:0;max-width:620px}
.cta-band .btn-main{background:#fff;color:var(--c-primary-deep);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.cta-band .btn-main:hover{background:#fff;color:var(--c-primary);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:88px;
  background:var(--c-primary-deep);color:rgba(255,255,255,.8);
  padding:70px 0 0;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-main)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:#fff;color:var(--c-primary-deep)}
.footer-brand b{color:#fff;font-size:17px;font-weight:800;display:block;line-height:1.2}
.footer-brand span{display:block;font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:.6px}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.8)}
.footer-col a:hover{color:var(--c-gold)}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.75);margin-bottom:12px;display:flex;gap:9px;align-items:flex-start}
.footer-contact i{color:var(--c-gold);font-size:14px;margin-top:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-chips{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:grid}
  .hero{padding:52px 0 78px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-float{right:12px;bottom:-18px}
  .solution-grid{grid-template-columns:1fr;gap:30px}
  .solution-side{position:static}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .voice-track{grid-template-columns:repeat(3,1fr);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;
    scrollbar-width:none}
  .voice-track::-webkit-scrollbar{display:none}
  .voice-card{min-width:280px;scroll-snap-align:start}
  .voice-card:nth-child(2){transform:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .sec{padding:64px 0}
  .stats{padding:64px 0}
}
@media (max-width:767.98px){
  .pain-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 26px;border-radius:20px}
  .cta-band .btn-main{width:100%}
  .sec{padding:52px 0}
  .sec-tight{padding:44px 0}
  .hero-float{position:static;margin-top:16px;align-items:flex-start}
  .hero-stat b{font-size:18px}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .hero{padding:44px 0 72px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .stats-grid{grid-template-columns:1fr}
  .stat-card b{font-size:36px}
  .brand-text b{font-size:15px}
  .brand-text span{font-size:10.5px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .btn-main,.btn-ghost,.btn-line{height:46px;padding:0 22px}
  .aside-none{display:none}
}

/* roulang page: article */
:root{
  --c-primary:#0E6E63;
  --c-primary-deep:#08403C;
  --c-primary-soft:#E4F1EE;
  --c-accent:#E4692B;
  --c-accent-soft:#FDEDE3;
  --c-accent-ink:#B84A16;
  --c-gold:#F0B429;
  --c-bg:#F7F3ED;
  --c-surface:#FFFFFF;
  --c-ink:#16201E;
  --c-ink-2:#4A5A57;
  --c-line:#E3DDD3;
  --grad-main:linear-gradient(135deg,#0E6E63 0%,#0A4F49 55%,#0A3B38 100%);
  --sh-1:0 2px 8px rgba(22,32,30,.05);
  --sh-2:0 10px 30px rgba(14,110,99,.10);
  --sh-3:0 18px 48px rgba(14,110,99,.16);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-link-color:#0E6E63;
  --bs-link-hover-color:#0A4F49;
  --bs-border-radius:14px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;object-fit:cover;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4{color:var(--c-ink);letter-spacing:-.5px;margin:0;}
p{margin:0 0 1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all 180ms ease;white-space:nowrap;
}
.btn-main{background:var(--c-accent);color:#fff;box-shadow:var(--sh-2);}
.btn-main:hover{background:#d55e22;color:#fff;transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--c-primary-deep);}
.btn-white:hover{background:#F7F3ED;transform:translateY(-2px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--c-primary);}
.btn-text i{transition:transform 180ms ease;}
.btn-text:hover i{transform:translateX(4px);}
@media (max-width:575.98px){.btn-main,.btn-ghost,.btn-white{height:46px;padding:0 20px;font-size:14px;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-main);color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;flex:0 0 36px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.5px;}
.brand-text span{font-size:12px;color:var(--c-ink-2);letter-spacing:0;}
.nav-chips{display:flex;align-items:center;gap:4px;background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px;margin-left:auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;font-size:14px;color:var(--c-ink-2);white-space:nowrap;transition:all 180ms ease;}
.nav-chip:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-chip.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{width:44px;height:44px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);display:grid;place-items:center;font-size:17px;cursor:pointer;transition:all 180ms ease;}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary);}
.nav-toggle{display:none;}
.mobile-drawer{display:none;}
@media (max-width:991.98px){
  .header-inner{flex-wrap:wrap;padding:10px 0;gap:12px;}
  .nav-chips{order:5;width:100%;margin:0;border-radius:999px;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent 100%);mask-image:linear-gradient(90deg,#000 88%,transparent 100%);}
  .header-actions{margin-left:auto;}
  .nav-toggle{display:grid;}
  .header-actions .btn-main{display:none;}
  .mobile-drawer{display:block;max-height:0;overflow:hidden;transition:max-height 260ms ease;border-top:0 solid var(--c-line);}
  .mobile-drawer.open{max-height:520px;border-top:1px solid var(--c-line);}
  .drawer-inner{padding:16px 0 20px;display:flex;flex-direction:column;gap:6px;}
  .drawer-inner a.drawer-link{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:14px;font-size:16px;color:var(--c-ink);}
  .drawer-inner a.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary);}
  .drawer-inner .btn-main{width:100%;margin-top:8px;}
}

/* ---------- 文章页头 ---------- */
.article-hero{position:relative;background:var(--c-primary-soft);border-bottom:1px solid var(--c-line);padding:34px 0 42px;overflow:hidden;}
.article-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.14;}
.article-hero::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(228,105,43,.16) 0%,rgba(228,105,43,0) 70%);}
.article-hero .container{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-ink-2);margin-bottom:18px;}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#B9B1A4;}
.crumb-current{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink);}
.article-hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:800;max-width:940px;overflow-wrap:anywhere;}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:20px;font-size:14px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:var(--c-accent-soft);color:var(--c-accent-ink);font-size:13px;font-weight:700;}
.article-meta i{color:var(--c-primary);margin-right:4px;}

/* ---------- 文章主体 ---------- */
.article-section{padding:48px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:start;}
.article-shell{max-width:820px;margin:0 auto;min-width:0;width:100%;}
.article-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:34px 32px;font-size:17px;line-height:1.9;color:var(--c-ink);overflow-wrap:anywhere;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.35;margin:2.1em 0 .9em;padding-left:14px;border-left:4px solid var(--c-primary);}
.article-body h3{font-size:18px;font-weight:700;line-height:1.45;margin:1.7em 0 .7em;}
.article-body h4{font-size:16px;font-weight:700;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.5em;}
.article-body img{border-radius:16px;margin:1.6em auto;max-width:100%;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px;}
.article-body blockquote{margin:1.6em 0;padding:16px 22px;background:var(--c-primary-soft);border-left:4px solid var(--c-accent);border-radius:12px;color:var(--c-ink);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto;border:1px solid var(--c-line);border-radius:12px;}
.article-body thead th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700;text-align:left;padding:12px 14px;white-space:nowrap;}
.article-body tbody td{padding:11px 14px;border-top:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:#FBFAF7;}
.article-body pre{background:#0F2B28;color:#E8F5F2;padding:16px 18px;border-radius:12px;overflow-x:auto;font-size:14px;}
.article-body code{background:var(--c-primary-soft);color:var(--c-primary-deep);padding:2px 6px;border-radius:6px;font-size:14px;word-break:break-all;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}

/* 空态 */
.empty-state{border:1px dashed #CFC7B9;border-radius:var(--r-md);padding:48px 24px;text-align:center;background:#FBFAF7;}
.empty-state i{font-size:34px;color:var(--c-primary);}
.empty-state h2{font-size:20px;margin:14px 0 8px;font-weight:800;}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px;}

/* 提示卡 */
.notice-card{margin-top:28px;background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-accent);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);}
.notice-card h3{font-size:17px;font-weight:800;color:var(--c-primary-deep);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.notice-card ul{margin:0;padding-left:1.2em;font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.notice-card li{margin-bottom:6px;}

/* 互动条 */
.action-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px;}
.round-btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:14px;font-weight:700;cursor:pointer;transition:all 180ms ease;}
.round-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-2px);}
.round-btn i{font-size:16px;}

/* 侧栏 */
.article-side{display:none;}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;}
  .article-shell{margin:0;max-width:none;}
  .article-side{display:block;position:sticky;top:96px;}
}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);margin-bottom:20px;}
.side-card h3{font-size:15px;font-weight:800;color:var(--c-primary-deep);padding-left:11px;border-left:3px solid var(--c-accent);margin-bottom:14px;}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{display:block;padding:7px 10px;border-radius:10px;color:var(--c-ink-2);line-height:1.5;}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.side-hot{list-style:none;margin:0;padding:0;}
.side-hot li{border-top:1px dashed var(--c-line);}
.side-hot li:first-child{border-top:0;}
.side-hot a{display:block;padding:12px 0;font-size:14px;color:var(--c-ink);line-height:1.6;}
.side-hot a:hover{color:var(--c-primary);}

/* 相关推荐 */
.related{padding:0 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;}
.section-head p{margin:6px 0 0;color:var(--c-ink-2);font-size:14px;}
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:transform 180ms ease,box-shadow 180ms ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.card-media{position:relative;overflow:hidden;border-radius:14px;margin:12px 12px 0;aspect-ratio:16/9;background:var(--c-primary-soft);}
.card-media img{width:100%;height:100%;transition:transform 320ms ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-chip{position:absolute;left:12px;top:12px;background:var(--c-accent-soft);color:var(--c-accent-ink);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;}
.card-body{padding:18px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-body h3{color:var(--c-primary);}
.card-body p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;border-top:1px solid var(--c-line);padding-top:14px;}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.card-grid{grid-template-columns:1fr;gap:16px;}}

/* 返回入口 */
.back-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:36px;}

/* CTA */
.cta-wrap{padding:0 0 80px;}
.cta-band{background:var(--grad-main);border-radius:24px;padding:40px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.06);}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:800;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.78);margin:8px 0 0;font-size:15px;position:relative;z-index:1;}
.cta-band .btn-main{position:relative;z-index:1;}
@media (max-width:575.98px){.cta-band{padding:28px 22px;}}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.8);padding:56px 0 0;position:relative;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--c-accent),var(--c-gold),var(--c-primary));}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:38px;}
.footer-col h4{color:#fff;font-size:16px;font-weight:800;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;font-size:14px;line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.8);}
.footer-col a:hover{color:var(--c-gold);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:800;line-height:1.2;}
.footer-brand span span{font-size:12px;color:rgba(255,255,255,.62);}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:0;}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;}
.footer-contact i{color:var(--c-gold);margin-top:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.62);}
@media (max-width:991.98px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .article-body{padding:22px 18px;font-size:16.5px;}
  .article-section{padding:32px 0 56px;}
  .related{padding-bottom:56px;}
  .cta-wrap{padding-bottom:56px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E6E63;
  --c-primary-deep:#08403C;
  --c-primary-soft:#E4F1EE;
  --c-accent:#E4692B;
  --c-accent-soft:#FDEDE3;
  --c-accent-ink:#B84A16;
  --c-gold:#F0B429;
  --c-bg:#F7F3ED;
  --c-surface:#FFFFFF;
  --c-ink:#16201E;
  --c-ink-2:#4A5A57;
  --c-line:#E3DDD3;
  --c-cat:#2A7F9E;
  --c-cat-soft:#E6F0F5;
  --sh-1:0 2px 8px rgba(22,32,30,.05);
  --sh-2:0 10px 30px rgba(14,110,99,.10);
  --sh-3:0 18px 48px rgba(14,110,99,.16);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --bs-primary:#0E6E63;
  --bs-primary-rgb:14,110,99;
  --bs-link-color:#0E6E63;
  --bs-link-hover-color:#08403C;
  --bs-border-radius:14px;
  --bs-border-radius-lg:20px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-body-color:#16201E;
  --bs-border-color:#E3DDD3;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:-.5px;}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;}
h3{font-size:19px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.4;font-weight:700;}
p{margin:0 0 1.05em;color:var(--c-ink-2);line-height:1.85;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}
section{padding:88px 0;}
@media (max-width:991px){section{padding:64px 0;}}
@media (max-width:575px){section{padding:48px 0;}}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px;padding:10px 0;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:linear-gradient(135deg,#0E6E63 0%,#0A4F49 55%,#0A3B38 100%);
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.4px;}
.brand-text span{font-size:11.5px;color:var(--c-ink-2);letter-spacing:1.2px;}
.nav-chips{
  display:flex;align-items:center;gap:4px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;padding:6px;
  margin-left:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  white-space:nowrap;padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:all 180ms ease;
}
.nav-chip:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-chip.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:6px;
  border:1px solid var(--c-line);border-radius:999px;
  padding:7px 14px;background:var(--c-surface);
  color:var(--c-ink-2);font-size:13.5px;
}
.search-box i{color:var(--c-primary);}
.search-box input{border:0;outline:0;background:transparent;width:110px;font-size:13.5px;color:var(--c-ink);}
.btn-main,.btn-ghost,.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:all 180ms ease;text-align:center;
}
.btn-main{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(228,105,43,.25);}
.btn-main:hover{filter:brightness(94%);transform:translateY(-2px);color:#fff;}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--c-primary);}
.btn-white:hover{background:#F2FBF9;transform:translateY(-2px);}
.btn-main:active,.btn-ghost:active,.btn-white:active{transform:translateY(0);filter:brightness(100%);}
.btn-sm-nav{height:42px;padding:0 20px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--c-primary);}
.link-arrow i{transition:transform 180ms ease;}
.link-arrow:hover i{transform:translateX(4px);}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;font-size:20px;
}
.drawer{
  display:none;background:#fff;border:1px solid var(--c-line);
  border-radius:16px;padding:12px;margin:0 0 16px;box-shadow:var(--sh-2);
}
.drawer a{
  display:block;padding:12px 14px;font-size:16px;line-height:24px;
  color:var(--c-ink);border-radius:12px;font-weight:600;
}
.drawer a:hover,.drawer a.active{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer .drawer-cta{margin-top:10px;}
.drawer .drawer-cta .btn-main{width:100%;}
@media (max-width:991px){
  .nav-chips{display:none;}
  .search-box{display:none;}
  .hamburger{display:inline-flex;}
  .header-right .btn-main{display:none;}
  .drawer.open{display:block;}
}
@media (max-width:575px){
  .header-inner{min-height:66px;gap:10px;}
  .brand-text b{font-size:15.5px;}
  .brand-text span{font-size:10.5px;letter-spacing:1px;}
}

/* ============ PAGE HERO ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#E4F1EE 0%,#F3F8F7 60%,#F7F3ED 100%);
  padding:56px 0 72px;
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(14,110,99,.16) 1.5px,transparent 1.5px);
  background-size:26px 26px;opacity:.5;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:22px;}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{opacity:.55;}
.crumb .cur{color:var(--c-primary);font-weight:700;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
@media (max-width:991px){.hero-grid{grid-template-columns:1fr;gap:32px;}}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-cat-soft);color:#1E5F76;
  border:1px solid rgba(42,127,158,.25);
  border-radius:999px;padding:6px 16px;font-size:13px;font-weight:700;
  margin-bottom:18px;
}
.cat-tag i{font-size:14px;}
.page-hero h1{margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--c-cat);}
.hero-lead{font-size:16.5px;color:var(--c-ink-2);max-width:620px;margin-bottom:26px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;}
.point-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:7px 15px;font-size:13px;color:var(--c-ink-2);font-weight:600;
}
.point-chip i{color:var(--c-cat);font-size:14px;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);background:#fff;border:1px solid var(--c-line);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 180ms ease;}
.hero-figure:hover img{transform:scale(1.04);}
.float-card{
  position:absolute;right:18px;bottom:18px;
  background:#fff;border-radius:var(--r-md);padding:14px 18px;
  box-shadow:var(--sh-3);display:flex;align-items:center;gap:12px;
  border:1px solid var(--c-line);
}
.float-card b{font-size:26px;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1;}
.float-card span{font-size:12.5px;color:var(--c-ink-2);line-height:1.5;display:block;}
@media (max-width:575px){
  .float-card{right:12px;bottom:12px;padding:10px 14px;}
  .float-card b{font-size:20px;}
}

/* ============ MAIN LAYOUT: 左文右卡 ============ */
.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:48px;align-items:start;}
@media (max-width:991px){.content-wrap{grid-template-columns:1fr;gap:36px;}}
.article-body{min-width:0;}
.block{margin-bottom:56px;}
.block:last-child{margin-bottom:0;}
.block h2{position:relative;padding-left:16px;margin-bottom:18px;}
.block h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:4px;background:var(--c-cat);
}
.block p{font-size:16.5px;}
.lead-line{
  font-size:16px;color:var(--c-ink);font-weight:600;
  border-left:4px solid var(--c-accent);padding-left:14px;margin-bottom:22px;line-height:1.8;
}
.check-list{list-style:none;padding:0;margin:0 0 8px;}
.check-list li{
  position:relative;padding-left:24px;margin-bottom:10px;
  font-size:14.5px;line-height:1.85;color:var(--c-ink-2);
}
.check-list li::before{
  content:"";position:absolute;left:6px;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--c-cat);
}
.check-list li b{color:var(--c-ink);font-weight:700;}
.note-block{
  background:var(--c-accent-soft);border-left:4px solid var(--c-accent);
  border-radius:var(--r-sm);padding:20px 24px;margin:26px 0 8px;
}
.note-block h4{color:var(--c-accent-ink);margin-bottom:8px;font-size:16px;}
.note-block p{margin:0;font-size:14.5px;color:#7A4326;line-height:1.85;}

/* 不等宽要点卡 8/4 */
.uneven-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin:26px 0 0;}
@media (max-width:767px){.uneven-grid{grid-template-columns:1fr;}}
.u-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:all 180ms ease;
}
.u-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.u-card .tag{
  display:inline-block;background:var(--c-accent-soft);color:var(--c-accent-ink);
  border-radius:999px;padding:4px 14px;font-size:12.5px;font-weight:700;margin-bottom:14px;
}
.u-card h3{margin-bottom:10px;}
.u-card p{font-size:14.5px;margin-bottom:0;}
.u-card.dark{
  background:linear-gradient(135deg,#2A7F9E 0%,#1E5F76 100%);
  border-color:transparent;color:#fff;
}
.u-card.dark h3{color:#fff;}
.u-card.dark p{color:rgba(255,255,255,.86);font-size:14.5px;margin-bottom:0;}
.u-card.dark .tag{background:rgba(255,255,255,.18);color:#fff;}

/* 登录方式对照小卡 */
.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:24px;}
@media (max-width:767px){.mode-grid{grid-template-columns:1fr;}}
.mode-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:all 180ms ease;
}
.mode-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.mode-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.mode-ico{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  background:var(--c-cat-soft);color:var(--c-cat);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.mode-card h3{font-size:17px;}
.mode-card p{font-size:14.5px;margin-bottom:12px;}
.mode-meta{font-size:13px;color:var(--c-ink-2);display:flex;flex-wrap:wrap;gap:14px;border-top:1px dashed var(--c-line);padding-top:12px;}
.mode-meta b{color:var(--c-ink);font-variant-numeric:tabular-nums;}

/* 步骤流 */
.steps{margin-top:24px;border-left:2px dashed var(--c-line);padding-left:0;list-style:none;}
.steps li{position:relative;padding:0 0 26px 30px;margin-left:14px;}
.steps li::before{
  content:attr(data-step);position:absolute;left:-19px;top:0;
  width:36px;height:36px;border-radius:12px;background:#fff;
  border:1px solid rgba(42,127,158,.35);color:var(--c-cat);
  font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.steps li h3{font-size:16.5px;margin-bottom:6px;}
.steps li p{font-size:14.5px;margin-bottom:0;}
.steps li:last-child{padding-bottom:0;}

/* ============ SIDEBAR ============ */
.side-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:100px;}
@media (max-width:991px){.side-col{position:static;}}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16.5px;margin-bottom:14px;padding-left:12px;position:relative;}
.side-card h3::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:4px;background:var(--c-accent);
}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{border-bottom:1px dashed var(--c-line);}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:flex;align-items:center;gap:10px;
  padding:12px 0;font-size:14.5px;color:var(--c-ink);font-weight:600;
}
.side-list a i{color:var(--c-cat);font-size:15px;transition:transform 180ms ease;}
.side-list a:hover{color:var(--c-cat);}
.side-list a:hover i{transform:translateX(4px);}
.side-card.hl{background:var(--c-cat-soft);border-color:rgba(42,127,158,.25);}
.side-stat{display:flex;gap:18px;flex-wrap:wrap;}
.side-stat div{min-width:88px;}
.side-stat b{display:block;font-size:26px;color:var(--c-cat);font-variant-numeric:tabular-nums;line-height:1.2;}
.side-stat span{font-size:12.5px;color:var(--c-ink-2);}
.side-card form{display:flex;flex-direction:column;gap:12px;}
.side-card label{font-size:14px;font-weight:700;color:var(--c-ink);}
.form-control{
  height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  font-size:14.5px;padding:0 14px;background:#FBFAF7;color:var(--c-ink);
}
.form-control:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,110,99,.15);
  background:#fff;outline:none;color:var(--c-ink);
}
.form-tip{font-size:12.5px;color:var(--c-ink-2);margin:0;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:25px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow 180ms ease;
}
.faq-item[open]{box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;transition:all 180ms ease;
}
.faq-item[open] summary .sign{background:var(--c-primary);color:#fff;transform:rotate(45deg);}
.faq-body{padding:0 24px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.faq-body p{margin:0;font-size:15px;}

/* ============ RELATED ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px;}
@media (max-width:991px){.rel-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.rel-grid{grid-template-columns:1fr;gap:16px;}}
.rel-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:all 180ms ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.rel-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-soft);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 180ms ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.rel-body .chip{
  align-self:flex-start;background:var(--c-accent-soft);color:var(--c-accent-ink);
  border-radius:999px;padding:4px 13px;font-size:12.5px;font-weight:700;margin-bottom:12px;
}
.rel-body h3{font-size:17px;margin-bottom:10px;}
.rel-card:hover .rel-body h3{color:var(--c-primary);}
.rel-body p{font-size:14px;margin-bottom:16px;flex:1;}

/* ============ CTA BAND ============ */
.cta-band{
  background:linear-gradient(135deg,#0E6E63 0%,#0A4F49 55%,#0A3B38 100%);
  border-radius:24px;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  border-radius:50%;background:rgba(255,255,255,.06);
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.82);margin:0;font-size:15px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;position:relative;z-index:2;}
@media (max-width:991px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;}
}
@media (max-width:575px){
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-white{width:100%;}
}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--c-primary-deep);color:rgba(255,255,255,.8);
  margin-top:88px;padding-top:0;
}
.site-footer::before{
  content:"";display:block;height:4px;
  background:linear-gradient(90deg,#0E6E63 0%,#E4692B 100%);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:rgba(255,255,255,.12);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:800;line-height:1.2;}
.footer-brand span span{font-size:11px;letter-spacing:1.2px;color:rgba(255,255,255,.6);}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-col p{color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.85;margin:0;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(255,255,255,.8);font-size:14px;transition:color 180ms ease;}
.footer-col ul a:hover{color:var(--c-gold);}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:rgba(255,255,255,.8);}
.footer-contact i{color:var(--c-gold);font-size:14px;margin-top:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.62);
}
@media (max-width:575px){.footer-bottom{flex-direction:column;align-items:flex-start;}}

/* roulang page: category2 */
:root{
  --c-primary:#0E6E63;
  --c-primary-deep:#08403C;
  --c-primary-soft:#E4F1EE;
  --c-accent:#E4692B;
  --c-accent-soft:#FDEDE3;
  --c-gold:#F0B429;
  --c-bg:#F7F3ED;
  --c-surface:#FFFFFF;
  --c-ink:#16201E;
  --c-ink-2:#4A5A57;
  --c-line:#E3DDD3;
  --c-tone:#A85B2B;
  --c-tone-soft:#F8EDE3;
  --grad-main:linear-gradient(135deg,#0E6E63 0%,#0A4F49 55%,#0A3B38 100%);
  --sh-1:0 2px 8px rgba(22,32,30,.05);
  --sh-2:0 10px 30px rgba(14,110,99,.10);
  --sh-3:0 18px 48px rgba(14,110,99,.16);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --bs-primary:#0E6E63;
  --bs-primary-rgb:14,110,99;
  --bs-border-radius:16px;
  --bs-border-radius-lg:20px;
  --bs-link-color:#0E6E63;
  --bs-link-hover-color:#08403C;
  --bs-body-color:#16201E;
  --bs-body-bg:#F7F3ED;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease;}
a:hover{color:var(--c-primary-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.5px;color:var(--c-ink);}
p{margin:0 0 1.05em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%;}
@media (min-width:1400px){.container{max-width:1280px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:76px;padding:10px 0;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad-main);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;
  box-shadow:var(--sh-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;}
.brand-text span{font-size:12px;color:var(--c-ink-2);letter-spacing:0;}
.nav-chips{
  flex:1 1 auto;min-width:0;
  display:flex;align-items:center;gap:4px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:6px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  flex:0 0 auto;padding:9px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  white-space:nowrap;transition:all 180ms ease;
}
.nav-chip:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-chip.active{
  background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);
}
.nav-chip.active:hover{background:var(--c-primary);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:4px 6px 4px 14px;
  transition:border-color 180ms ease,box-shadow 180ms ease;
}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,110,99,.15);}
.search-box i{color:var(--c-ink-2);font-size:15px;}
.search-box input{
  border:0;outline:none;background:transparent;
  font-size:14px;width:132px;color:var(--c-ink);
}
.search-box input::placeholder{color:#9AA6A3;}
.search-box button{
  border:0;background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--r-pill);font-size:13px;font-weight:700;
  padding:6px 14px;cursor:pointer;transition:all 180ms ease;
}
.search-box button:hover{background:var(--c-primary);color:#fff;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;
  border:1px solid var(--c-accent);
  transition:all 180ms ease;white-space:nowrap;cursor:pointer;
}
.btn-cta:hover{background:#D25C22;border-color:#D25C22;color:#fff;transform:translateY(-2px);}
.btn-cta:active{transform:translateY(0);}
.hamburger{
  display:none;width:48px;height:48px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink);
  align-items:center;justify-content:center;font-size:22px;cursor:pointer;
}
.hamburger:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1090;
  background:rgba(8,64,60,.38);
  opacity:0;visibility:hidden;transition:opacity 200ms ease,visibility 200ms ease;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;left:12px;right:12px;top:12px;
  background:#fff;border-radius:var(--r-md);
  padding:16px 16px 20px;box-shadow:var(--sh-3);
  max-height:calc(100vh - 24px);overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-head .brand-text b{font-size:16px;}
.drawer-close{
  border:1px solid var(--c-line);background:#fff;border-radius:var(--r-sm);
  width:40px;height:40px;display:grid;place-items:center;font-size:19px;color:var(--c-ink);cursor:pointer;
}
.drawer-links a{
  display:flex;align-items:center;height:48px;
  font-size:16px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-links a.active{color:var(--c-tone);}
.drawer-links a:hover{color:var(--c-primary);}
.drawer-foot{margin-top:16px;}
.drawer-foot .btn-cta{width:100%;}

/* ============ 通用按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;border:1px solid var(--c-accent);
  font-size:15px;font-weight:700;transition:all 180ms ease;cursor:pointer;
}
.btn-main:hover{background:#D25C22;border-color:#D25C22;color:#fff;transform:translateY(-2px);}
.btn-main:active{transform:translateY(0);}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);
  font-size:15px;font-weight:700;transition:all 180ms ease;
}
.btn-line:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-tone{
  background:var(--c-tone);border-color:var(--c-tone);color:#fff;
}
.btn-tone:hover{background:#8E4B22;border-color:#8E4B22;color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:700;color:var(--c-primary);
}
.btn-text i{transition:transform 180ms ease;}
.btn-text:hover i{transform:translateX(4px);}

/* ============ 页头 ============ */
.page-hero{
  background:linear-gradient(180deg,var(--c-tone-soft) 0%,#FBF7F2 62%,var(--c-bg) 100%);
  padding:44px 0 56px;
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-60px;top:-40px;width:280px;height:280px;
  background-image:radial-gradient(var(--c-tone) 1.5px,transparent 1.6px);
  background-size:22px 22px;opacity:.08;pointer-events:none;
}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-2);margin-bottom:16px;position:relative;z-index:1;
}
.breadcrumb-line a{color:var(--c-ink-2);}
.breadcrumb-line a:hover{color:var(--c-primary);}
.breadcrumb-line .sep{opacity:.55;}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:800;
  max-width:900px;position:relative;z-index:1;
}
.page-hero .lead{
  margin-top:18px;font-size:17px;color:var(--c-ink-2);
  max-width:760px;position:relative;z-index:1;line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;z-index:1;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);font-weight:600;
}
.tag-pill i{color:var(--c-tone);}
.hero-media{
  margin-top:32px;position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);background:#fff;
}
.hero-media img{width:100%;height:clamp(200px,32vw,400px);object-fit:cover;transition:transform 320ms ease;}
.hero-media:hover img{transform:scale(1.04);}
.media-chip{
  position:absolute;left:20px;top:20px;
  background:var(--c-tone);color:#fff;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.5px;
}
.media-note{
  position:absolute;right:20px;bottom:20px;
  background:#fff;border-radius:var(--r-md);
  padding:14px 20px;box-shadow:var(--sh-2);
  max-width:min(300px,70vw);
}
.media-note b{
  display:block;font-size:26px;font-weight:800;color:var(--c-tone);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.media-note span{font-size:13px;color:var(--c-ink-2);}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0 88px;}
.section-head{margin-bottom:32px;max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-tone);
  letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--c-accent);}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800;}
.section-sub{margin-top:14px;font-size:16px;color:var(--c-ink-2);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

/* ============ 折叠式内容 ============ */
.fold-list{display:flex;flex-direction:column;gap:18px;}
.fold-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  overflow:hidden;transition:box-shadow 180ms ease,transform 180ms ease;
}
.fold-item:hover{box-shadow:var(--sh-2);}
.fold-head{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;gap:20px;
  padding:24px 26px;text-align:left;
}
.fold-num{
  flex:0 0 52px;width:52px;height:52px;border-radius:14px;
  background:var(--c-tone-soft);color:var(--c-tone);
  display:grid;place-items:center;font-size:19px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.fold-title{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:4px;}
.fold-title b{font-size:19px;font-weight:800;color:var(--c-ink);}
.fold-title span{font-size:14px;color:var(--c-ink-2);line-height:1.6;}
.fold-toggle{
  flex:0 0 38px;width:38px;height:38px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;position:relative;transition:background 180ms ease;
}
.fold-toggle::before,.fold-toggle::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.fold-toggle::before{width:14px;height:2px;}
.fold-toggle::after{width:2px;height:14px;transition:transform 200ms ease;}
.fold-head[aria-expanded="true"] .fold-toggle{background:var(--c-primary);color:#fff;}
.fold-head[aria-expanded="true"] .fold-toggle::after{transform:scaleY(0);}
.fold-body{padding:0 26px 28px;border-top:1px dashed var(--c-line);margin:0 0 0 0;}
.fold-body-inner{padding-top:22px;}
.fold-body p{font-size:16px;color:var(--c-ink-2);line-height:1.85;}
.point-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.point-list li{
  position:relative;padding-left:22px;font-size:14px;line-height:1.85;color:var(--c-ink-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;background:var(--c-primary);
}
.point-list li b{color:var(--c-ink);font-weight:700;}

/* ============ 不等宽要点卡 ============ */
.grid-543{display:grid;grid-template-columns:5fr 4fr 3fr;gap:24px;}
.tone-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform 180ms ease,box-shadow 180ms ease;
  position:relative;overflow:hidden;display:flex;flex-direction:column;
}
.tone-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.tone-card .bar{width:36px;height:4px;border-radius:2px;background:var(--c-tone);margin-bottom:18px;}
.tone-card h3{font-size:19px;font-weight:800;line-height:1.4;margin-bottom:12px;}
.tone-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.tone-card .mini-metric{
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--c-line);
  display:flex;align-items:baseline;gap:8px;
}
.tone-card .mini-metric b{
  font-size:30px;font-weight:800;color:var(--c-tone);line-height:1;
  font-variant-numeric:tabular-nums;
}
.tone-card .mini-metric span{font-size:13px;color:var(--c-ink-2);}
.tone-card .glyph{
  position:absolute;right:-16px;top:-16px;width:96px;height:96px;
  border:1px solid var(--c-tone);border-radius:24px;opacity:.08;
}

/* ============ 提示块 ============ */
.tip-block{
  background:var(--c-accent-soft);
  border-left:4px solid var(--c-accent);
  border-radius:var(--r-sm);
  padding:22px 24px;margin-top:28px;
}
.tip-block h4{font-size:16px;font-weight:800;color:#B84A16;margin-bottom:8px;}
.tip-block p{font-size:15px;color:#7A3A14;line-height:1.85;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.stat-cell{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.stat-cell b{
  display:block;font-size:clamp(28px,3.2vw,38px);font-weight:800;
  color:var(--c-tone);line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat-cell span{display:block;margin-top:8px;font-size:14px;color:var(--c-ink-2);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;transition:box-shadow 180ms ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;text-align:left;
}
.faq-q b{flex:1 1 auto;font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.faq-mark{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;position:relative;
}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-mark::before{width:13px;height:2px;}
.faq-mark::after{width:2px;height:13px;transition:transform 200ms ease;}
.faq-q[aria-expanded="true"] .faq-mark{background:var(--c-primary);color:#fff;}
.faq-q[aria-expanded="true"] .faq-mark::after{transform:scaleY(0);}
.faq-a{padding:0 22px 22px;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ============ 相关推荐 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 180ms ease,box-shadow 180ms ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.rec-thumb{overflow:hidden;position:relative;}
.rec-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 320ms ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-chip{
  position:absolute;left:14px;top:14px;
  background:var(--c-accent-soft);color:#B84A16;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;
}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rec-body h3{font-size:18px;font-weight:800;line-height:1.45;color:var(--c-ink);}
.rec-card:hover .rec-body h3{color:var(--c-primary);}
.rec-body p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}
.rec-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-2);
}
.rec-foot i{color:var(--c-tone);}

/* ============ 底部 CTA ============ */
.cta-wrap{padding:0 0 88px;}
.cta-bar{
  background:var(--grad-main);border-radius:24px;
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-50px;bottom:-60px;width:220px;height:220px;
  background-image:radial-gradient(rgba(255,255,255,.9) 1.5px,transparent 1.6px);
  background-size:20px 20px;opacity:.12;pointer-events:none;
}
.cta-text{max-width:640px;position:relative;z-index:1;}
.cta-text h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:800;line-height:1.35;}
.cta-text p{color:rgba(255,255,255,.82);font-size:15px;margin-top:12px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.btn-white{
  background:#fff;color:var(--c-primary-deep);border:1px solid #fff;
}
.btn-white:hover{background:#F2F8F7;color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-ghost-w{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);
}
.btn-ghost-w:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-deep);color:rgba(255,255,255,.8);
  padding:64px 0 28px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-accent) 50%,var(--c-gold) 100%);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px 28px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:800;line-height:1.2;}
.footer-brand span span{font-size:12px;color:rgba(255,255,255,.62);}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.8);}
.footer-col ul a:hover{color:var(--c-gold);}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:rgba(255,255,255,.8);}
.footer-contact i{color:var(--c-gold);font-size:15px;line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .search-box input{width:104px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px 24px;}
  .footer-col:last-child{grid-column:span 3;}
}
@media (max-width:991.98px){
  .nav-chips{display:none;}
  .search-box{display:none;}
  .hamburger{display:flex;}
  .header-inner{justify-content:space-between;min-height:68px;}
  .section{padding:64px 0;}
  .section.tight{padding:48px 0 64px;}
  .page-hero{padding:32px 0 44px;}
  .grid-543{grid-template-columns:1fr 1fr;gap:18px;}
  .grid-543 .tone-card:first-child{grid-column:span 2;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:18px;}
  .rec-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .cta-bar{padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px 22px;}
  .footer-col:last-child{grid-column:span 2;}
  .fold-head{padding:20px;gap:14px;}
  .fold-body{padding:0 20px 22px;}
}
@media (max-width:767.98px){
  .hero-media img{height:220px;}
  .media-note{right:14px;bottom:14px;padding:11px 16px;}
  .media-note b{font-size:22px;}
  .rec-grid{grid-template-columns:1fr;}
  .grid-543{grid-template-columns:1fr;}
  .grid-543 .tone-card:first-child{grid-column:span 1;}
  .cta-wrap{padding-bottom:64px;}
  .cta-bar{border-radius:20px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost-w{width:100%;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:26px;letter-spacing:-0.3px;}
  .page-hero .lead{font-size:15px;}
  .section{padding:48px 0;}
  .section.tight{padding:40px 0 48px;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col:last-child{grid-column:span 1;}
  .fold-head{padding:18px 16px;}
  .fold-num{flex:0 0 44px;width:44px;height:44px;font-size:16px;border-radius:12px;}
  .fold-title b{font-size:17px;}
  .fold-body{padding:0 16px 20px;}
  .cta-bar{padding:28px 20px;}
  .brand-text b{font-size:15px;}
  .btn-cta{height:46px;padding:0 18px;font-size:14px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E6E63;
  --c-primary-deep:#08403C;
  --c-primary-soft:#E4F1EE;
  --c-accent:#E4692B;
  --c-accent-soft:#FDEDE3;
  --c-gold:#F0B429;
  --c-bg:#F7F3ED;
  --c-surface:#FFFFFF;
  --c-ink:#16201E;
  --c-ink-2:#4A5A57;
  --c-line:#E3DDD3;
  --sh-1:0 2px 8px rgba(22,32,30,.05);
  --sh-2:0 10px 30px rgba(14,110,99,.10);
  --sh-3:0 18px 48px rgba(14,110,99,.16);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;

  --bs-primary:#0E6E63;
  --bs-primary-rgb:14,110,99;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-body-color:#16201E;
  --bs-body-bg:#F7F3ED;
  --bs-link-color:#0E6E63;
  --bs-link-hover-color:#08403C;
  --bs-link-decoration:none;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.5px;color:var(--c-ink);font-weight:800}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
h1,h2,h3,p,li,span,div{overflow-wrap:break-word;word-break:break-word}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:74px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:linear-gradient(135deg,#0E6E63 0%,#08403C 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.5px}
.brand-text span{font-size:11px;color:var(--c-ink-2);letter-spacing:1.5px;margin-top:2px}

.nav-chips{
  display:flex;align-items:center;gap:2px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:6px;margin-left:auto;
}
.nav-chip{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  white-space:nowrap;line-height:1.2;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-chip:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.nav-chip.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2)}

.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .22s ease,opacity .22s ease}
.nav-toggle:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);
  background:#fff;border-radius:16px 0 0 16px;
  box-shadow:-20px 0 60px rgba(22,32,30,.18);
  transform:translateX(105%);transition:transform .28s ease;
  padding:24px 22px;z-index:1045;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;font-weight:700;color:var(--c-ink-2);letter-spacing:1px;margin:4px 0 14px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;
  font-size:16px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
  transition:color .18s ease,padding-left .18s ease;
}
.drawer-link:hover{color:var(--c-primary);padding-left:6px}
.drawer-link.active{color:var(--c-accent)}
.drawer-cta{width:100%;margin-top:22px}
.mobile-backdrop{
  position:fixed;inset:0;background:rgba(8,64,60,.36);
  opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:1040;
}
.mobile-backdrop.show{opacity:1;pointer-events:auto}

@media (max-width:1199.98px){
  .nav-chip{padding:8px 12px;font-size:13px}
}
@media (max-width:991.98px){
  .header-inner{padding-top:12px;padding-bottom:12px;min-height:0;gap:12px}
  .nav-chips{
    order:3;width:100%;margin-left:0;overflow-x:auto;
    scrollbar-width:none;-ms-overflow-style:none;
    -webkit-mask-image:linear-gradient(90deg,#000 86%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 86%,transparent 100%);
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .header-actions{margin-left:auto}
  .nav-toggle{display:flex}
  .btn-header{display:none !important}
}

/* ============ 按钮 ============ */
.btn-cta,.btn-ghost,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:700;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,filter .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-cta{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px rgba(228,105,43,.24)}
.btn-cta:hover{filter:brightness(.94);transform:translateY(-2px);color:#fff}
.btn-cta:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#EFF7F5;color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-light:active{transform:translateY(0)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--c-primary)}
.btn-text i{transition:transform .18s ease}
.btn-text:hover i{transform:translateX(4px)}

/* ============ 通用板块 ============ */
section.block{padding:88px 0}
.band-soft{background:var(--c-primary-soft)}
.block-head{max-width:780px;margin-bottom:34px}
.block-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.block-head p{margin-top:16px;color:var(--c-ink-2);font-size:16px;line-height:1.85}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.6px;
  color:#B84A16;background:var(--c-accent-soft);
  padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
@media (max-width:991.98px){section.block{padding:64px 0}}
@media (max-width:575.98px){section.block{padding:48px 0}}

/* ============ 页头 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-primary-soft);
  padding:48px 0 72px;
  border-bottom:1px solid rgba(14,110,99,.08);
}
.page-hero::before{
  content:"";position:absolute;right:-60px;top:-60px;width:300px;height:300px;
  background-image:radial-gradient(rgba(14,110,99,.16) 2px,transparent 2px);
  background-size:26px 26px;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-80px;bottom:-90px;width:280px;height:280px;
  border:1px solid rgba(228,105,43,.18);border-radius:50%;pointer-events:none;
}
.crumbs{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);margin-bottom:24px}
.crumbs a{color:var(--c-ink-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#B7B0A4}
.crumbs .current{color:var(--c-ink);font-weight:600}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.hero-grid h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.9;color:#2F4441;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat{
  background:#fff;border:1px solid rgba(14,110,99,.14);border-radius:12px;
  padding:12px 18px;display:flex;flex-direction:column;gap:2px;min-width:126px;
  box-shadow:var(--sh-1);
}
.stat b{font-size:24px;line-height:1.1;color:var(--c-primary);font-weight:800}
.stat span{font-size:13px;color:var(--c-ink-2);line-height:1.5}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.94);border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:700;color:var(--c-primary);
  box-shadow:var(--sh-1);
}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:36px 0 56px}
}
@media (max-width:575.98px){
  .hero-actions .btn-cta,.hero-actions .btn-ghost{width:100%}
  .stat{flex:1 1 45%;min-width:0;padding:12px 14px}
}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:22px;width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,rgba(14,110,99,.12) 100%);
}
.tl-item{position:relative;padding-left:76px;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:16px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;box-shadow:var(--sh-1);
}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px 28px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.tl-card h3{font-size:19px;line-height:1.4}
.tl-card > p{margin-top:10px;color:var(--c-ink-2);font-size:15.5px;line-height:1.85}
@media (max-width:575.98px){
  .timeline::before{left:19px}
  .tl-item{padding-left:58px}
  .tl-dot{width:40px;height:40px;border-radius:12px;font-size:13px}
  .tl-card{padding:20px}
}

/* ============ 列表与卡片 ============ */
.dot-list{list-style:none;margin-top:14px;display:grid;gap:8px}
.dot-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.85;color:var(--c-ink-2)}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.dot-list.accent li::before{background:var(--c-accent)}

.tiles{display:grid;gap:24px;grid-template-columns:5fr 4fr 3fr}
.scard{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;height:100%;
}
.scard:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.scard .scard-icon{
  width:44px;height:44px;border-radius:14px;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:18px;
}
.scard h3{font-size:19px;line-height:1.4}
.scard p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
@media (max-width:991.98px){.tiles{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.tiles{grid-template-columns:1fr}.scard{padding:22px}}

/* ============ 图文两栏 ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.split.reverse{grid-template-columns:7fr 5fr}
.split-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.split p{margin-top:16px;color:var(--c-ink-2);font-size:16px}
@media (max-width:991.98px){
  .split,.split.reverse{grid-template-columns:1fr;gap:28px}
}

.notice{
  margin-top:22px;background:var(--c-accent-soft);
  border-left:4px solid var(--c-accent);border-radius:12px;
  padding:18px 22px;color:#8A3A10;font-size:15px;line-height:1.85;
}

/* ============ 异常处置卡 ============ */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.fix-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-md);padding:22px 24px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.fix-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.fix-card h3{font-size:17px;line-height:1.45}
.fix-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--c-ink-2)}
@media (max-width:767.98px){.grid-2{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--c-ink);cursor:pointer;
  transition:background .18s ease;
}
.faq-q:hover{background:#FBF9F5}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;
  transition:background .18s ease,color .18s ease;
}
.faq-icon::before{content:"+"}
.faq-q[aria-expanded="true"] .faq-icon{background:var(--c-primary);color:#fff}
.faq-q[aria-expanded="true"] .faq-icon::before{content:"−"}
.faq-a{
  padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2);
}
.faq-a .inner{border-top:1px dashed var(--c-line);padding-top:16px}
@media (max-width:575.98px){
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px}
}

/* ============ 推荐卡 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.rec-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-soft)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-chip{
  position:absolute;left:12px;top:12px;background:var(--c-accent-soft);
  color:#B84A16;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.rec-body h3{font-size:18px;line-height:1.45;transition:color .18s ease}
.rec-card:hover .rec-body h3{color:var(--c-primary)}
.rec-body p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-ink-2);flex:1}
.rec-foot{display:flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--c-primary)}
.rec-foot i{transition:transform .18s ease}
.rec-card:hover .rec-foot i{transform:translateX(4px)}
@media (max-width:991.98px){.rec-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575.98px){.rec-grid{grid-template-columns:1fr}}

/* ============ 底部 CTA ============ */
.cta-wrap{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background-image:linear-gradient(135deg,rgba(14,110,99,.95) 0%,rgba(10,79,73,.96) 55%,rgba(10,59,56,.97) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);line-height:1.35}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.82);font-size:15.5px;line-height:1.85;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
@media (max-width:991.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .cta-wrap{padding-bottom:64px}
}
@media (max-width:575.98px){
  .cta-actions{width:100%}
  .cta-actions .btn-light,.cta-actions .btn-cta{width:100%}
  .cta-wrap{padding-bottom:48px}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--c-primary-deep);
  color:rgba(255,255,255,.8);padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,#0E6E63 0%,#E4692B 100%);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;
}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.8);font-size:14px;transition:color .18s ease}
.footer-col a:hover{color:var(--c-gold)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;
}
.footer-brand > span:last-child{display:flex;flex-direction:column;line-height:1.2}
.footer-brand b{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.5px}
.footer-brand span span{font-size:11px;letter-spacing:1.5px;color:rgba(255,255,255,.6);margin-top:2px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.78)}
.footer-contact i{color:var(--c-gold);flex:0 0 auto;margin-top:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding-top:48px}
}

/* roulang page: category4 */
:root{
  --c-primary:#0E6E63;
  --c-primary-deep:#08403C;
  --c-primary-soft:#E4F1EE;
  --c-accent:#E4692B;
  --c-accent-soft:#FDEDE3;
  --c-accent-ink:#B84A16;
  --c-gold:#F0B429;
  --c-bg:#F7F3ED;
  --c-surface:#FFFFFF;
  --c-ink:#16201E;
  --c-ink-2:#4A5A57;
  --c-line:#E3DDD3;
  --grad-main:linear-gradient(135deg,#0E6E63 0%,#0A4F49 55%,#0A3B38 100%);
  --sh-1:0 2px 8px rgba(22,32,30,.05);
  --sh-2:0 10px 30px rgba(14,110,99,.10);
  --sh-3:0 18px 48px rgba(14,110,99,.16);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sp-section:88px;

  --bs-primary:#0E6E63;
  --bs-primary-rgb:14,110,99;
  --bs-link-color:#0E6E63;
  --bs-link-hover-color:#08403C;
  --bs-border-radius:16px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --bs-body-color:#16201E;
  --bs-body-bg:#F7F3ED;
  --bs-border-color:#E3DDD3;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-deep)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.5px;font-weight:800}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1400px){.container{max-width:1280px}}
.section{padding:var(--sp-section) 0}
.section-sm{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:12px}
.sec-head p{color:var(--c-ink-2);font-size:16px}

.btn-main,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-main{background:var(--c-accent);color:#fff;box-shadow:var(--sh-2)}
.btn-main:hover{color:#fff;filter:brightness(.94);transform:translateY(-2px)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{background:#fff;color:var(--c-primary)}
.btn-soft:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary)}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:var(--grad-main);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.5px}
.brand-text span{font-size:11px;color:var(--c-ink-2);letter-spacing:1px}

.nav-chips{
  display:flex;align-items:center;gap:4px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;padding:6px;margin-left:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;font-size:14px;font-weight:600;color:var(--c-ink-2);
  white-space:nowrap;transition:all .18s ease;
}
.nav-chip:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.nav-chip.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.header-actions .btn-main{height:44px;padding:0 22px;font-size:14px}
.icon-btn{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);
  font-size:17px;cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{background:var(--c-primary-soft);border-color:var(--c-primary)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}

.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(22,32,30,.42);
  display:flex;justify-content:flex-end;
}
.drawer[hidden]{display:none}
.drawer-panel{
  width:min(86vw,360px);height:100%;background:#fff;border-radius:16px 0 0 16px;
  padding:20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.drawer-link.active{background:var(--c-primary);color:#fff}
.drawer .btn-main{margin-top:auto;width:100%}

/* ============ page hero ============ */
.page-hero{
  position:relative;background:var(--c-primary-soft);
  padding:52px 0 72px;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:38px;
  background:var(--c-bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.page-hero .bg-dots{
  position:absolute;top:24px;right:-20px;width:300px;height:220px;opacity:.09;
  background-image:radial-gradient(var(--c-primary) 2.2px,transparent 2.3px);
  background-size:30px 30px;pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);margin-bottom:18px}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{opacity:.6}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;position:relative;z-index:2}
.page-hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:800;margin-bottom:16px}
.page-hero .lead{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:620px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.badge-stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:10px 16px;box-shadow:var(--sh-1);min-width:128px;
}
.badge-stat b{display:block;font-size:22px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.2}
.badge-stat span{font-size:13px;color:var(--c-ink-2)}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:#fff}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.hero-figure:hover img{transform:scale(1.04)}
.float-card{
  position:absolute;right:16px;bottom:16px;background:rgba(255,255,255,.96);
  border:1px solid var(--c-line);border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-2);
}
.float-card b{display:block;font-size:26px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.15}
.float-card span{font-size:13px;color:var(--c-ink-2)}

/* ============ cards ============ */
.card-base{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:all .18s ease;
}
.card-base:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.type-card{padding:28px;position:relative;overflow:hidden}
.type-card .tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--c-accent-ink);
  background:var(--c-accent-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.type-card h3{font-size:19px;line-height:1.4;font-weight:700;margin-bottom:10px}
.type-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0}
.type-card .corner{
  position:absolute;top:-16px;right:-16px;width:96px;height:96px;opacity:.07;pointer-events:none;
}

.uneven{display:grid;grid-template-columns:5fr 4fr 3fr;gap:24px}

/* ============ 交替图文 ============ */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.alt-row + .alt-row{margin-top:72px}
.alt-row.reverse .alt-media{order:2}
.alt-row.reverse .alt-body{order:1}
.alt-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:#fff}
.alt-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .3s ease}
.alt-media:hover img{transform:scale(1.04)}
.alt-body h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:16px}
.alt-body p{color:var(--c-ink-2);font-size:16px;line-height:1.85}
.step-line{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--c-line)}
.step-line:last-child{border-bottom:0}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--c-primary-soft);
  color:var(--c-primary);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-line h4{font-size:17px;font-weight:700;margin-bottom:6px}
.step-line p{font-size:15px;color:var(--c-ink-2);margin:0;line-height:1.8}

/* ============ 充值说明 ============ */
.pay-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2);
  line-height:1.85;padding:10px 0;border-bottom:1px dashed var(--c-line);
}
.pay-list li:last-child{border-bottom:0}
.pay-list i{color:var(--c-primary);font-size:16px;margin-top:4px}
.pay-list b{color:var(--c-ink);font-weight:700}

/* ============ 提示块 ============ */
.note{
  background:var(--c-accent-soft);border-left:4px solid var(--c-accent);
  border-radius:12px;padding:20px 24px;font-size:15px;line-height:1.85;color:#7A3A12;
}
.note b{color:#5E2B0C}

/* ============ 数据条 ============ */
.stat-band{background:var(--grad-main);border-radius:24px;padding:44px 36px;color:#fff}
.stat-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.stat-band .sub{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:28px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-box{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-lg);padding:22px;
}
.stat-box b{
  display:block;font-size:clamp(32px,4vw,54px);line-height:1.1;font-weight:800;
  font-variant-numeric:tabular-nums;color:#fff;
}
.stat-box span{display:block;font-size:14px;color:rgba(255,255,255,.8);margin-top:8px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:700;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-mark{
  flex:0 0 28px;width:28px;height:28px;border-radius:999px;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;line-height:1;transition:all .18s ease;
}
.faq-mark::before{content:"+"}
.faq-item[open] .faq-mark{background:var(--c-primary);color:#fff}
.faq-item[open] .faq-mark::before{content:"−"}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ============ 推荐 ============ */
.rec-card{overflow:hidden;display:flex;flex-direction:column}
.rec-thumb{overflow:hidden;border-radius:14px;margin:12px 12px 0}
.rec-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:18px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.rec-body .chip{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--c-accent-ink);
  background:var(--c-accent-soft);border-radius:999px;padding:4px 12px;
}
.rec-body h3{font-size:18px;font-weight:700;line-height:1.4}
.rec-card:hover h3{color:var(--c-primary)}
.rec-body p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin:0}
.rec-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-2)}

/* ============ CTA ============ */
.cta-band{
  background:var(--grad-main);border-radius:24px;padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ footer ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.8);padding:0 0 26px;margin-top:80px}
.site-footer::before{content:"";display:block;height:4px;background:linear-gradient(90deg,var(--c-accent),var(--c-gold),var(--c-primary))}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{
  width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;
}
.footer-brand b{color:#fff;font-size:17px;letter-spacing:-.5px}
.footer-brand span{display:block;font-size:11px;color:rgba(255,255,255,.6);letter-spacing:1px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.78);font-size:14px}
.footer-col a:hover{color:var(--c-gold)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.footer-contact i{color:var(--c-gold);margin-top:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ responsive ============ */
@media(max-width:1199.98px){
  .nav-chips{max-width:52vw}
}
@media(max-width:991.98px){
  :root{--sp-section:64px}
  .nav-chips{display:none}
  .hamburger{display:flex}
  .header-actions .btn-main{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:40px 0 60px}
  .alt-row{grid-template-columns:1fr;gap:28px}
  .alt-row.reverse .alt-media{order:0}
  .alt-row.reverse .alt-body{order:1}
  .alt-row + .alt-row{margin-top:52px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .uneven{grid-template-columns:repeat(2,1fr)}
  .section-sm{padding:52px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;padding:44px 0 30px}
}
@media(max-width:575.98px){
  :root{--sp-section:48px}
  body{font-size:15.5px}
  .container{padding:0 16px}
  .header-inner{min-height:66px;gap:12px}
  .grid-3,.grid-2,.uneven,.stat-grid{grid-template-columns:1fr;gap:16px}
  .type-card{padding:22px}
  .stat-band{padding:32px 22px;border-radius:20px}
  .faq-item summary{padding:16px;font-size:15px}
  .faq-body{padding:0 16px 16px}
  .cta-band{border-radius:20px;padding:28px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .page-hero h1{font-size:clamp(24px,7vw,30px)}
  .hero-badges{gap:10px}
  .badge-stat{flex:1 1 45%}
  .rec-body{padding:16px}
}
@media(max-width:340px){
  .brand-text b{font-size:15px}
  .btn-main,.btn-ghost{padding:0 18px;font-size:14px}
}