/* roulang page: index */
:root{
  --c-primary:#0F7C74;
  --c-primary-d:#0A5C56;
  --c-primary-l:#EAF4F1;
  --c-accent:#E8A13A;
  --c-alert:#D9583F;
  --c-ink:#10201E;
  --c-ink-2:#3C4A47;
  --c-ink-3:#7C8A86;
  --c-line:#E3DED2;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(16,58,54,.06);
  --sh-2:0 10px 28px rgba(16,58,54,.10);
  --sh-3:0 18px 48px rgba(16,58,54,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:250ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-d)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;line-height:1.35}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0}
: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 24px}
.section{padding:88px 0}
.section-alt{background:var(--c-surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,3vw,32px);color:var(--c-ink)}
.section-head p{margin:10px 0 0;font-size:15px;line-height:1.8;color:var(--c-ink-3);max-width:34em}
.link-more{display:inline-block;font-size:14.5px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(15,124,116,.35);padding-bottom:1px;transition:color var(--t),border-color var(--t);white-space:nowrap}
.link-more:hover{color:var(--c-primary-d);border-bottom-color:var(--c-primary-d)}

/* ============ 倒计时条 ============ */
.countdown-bar{background:var(--c-ink);color:var(--c-bg);font-size:13px}
.countdown-inner{display:flex;align-items:center;justify-content:center;gap:16px;height:40px}
.cb-left{display:inline-flex;align-items:center;gap:8px;color:#D5E2DF}
.cb-dot{width:8px;height:8px;border-radius:50%;background:var(--c-alert);display:inline-block;animation:cbPulse 2s var(--ease) infinite}
@keyframes cbPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.cb-clock{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.cd-cell{display:inline-flex;align-items:baseline;gap:2px;background:rgba(255,255,255,.11);border-radius:8px;padding:2px 9px}
.cd-cell b{font-size:17px;font-weight:700;letter-spacing:.04em;color:#fff;font-family:Inter,"SF Pro Text",system-ui,sans-serif}
.cd-cell em{font-style:normal;font-size:11px;opacity:.7}
.cb-link{color:var(--c-bg);border-bottom:1px solid transparent;transition:border-color var(--t),color var(--t)}
.cb-link:hover{color:#fff;border-bottom-color:#fff}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);-webkit-backdrop-filter:saturate(150%) blur(8px);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid var(--c-line)}
.nav-top-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:inline-flex;align-items:baseline;gap:6px;font-size:20px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;flex:0 0 auto}
.brand:hover{color:var(--c-ink)}
.brand-sub{font-size:12px;font-weight:600;color:var(--c-primary);letter-spacing:.06em}
.nav-search{position:relative;margin-left:auto;display:flex;align-items:center}
.search-toggle{width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color var(--t),color var(--t),background var(--t)}
.search-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.search-form{width:0;overflow:hidden;transition:width var(--t),opacity var(--t);opacity:0;margin-left:0}
.nav-search.is-open .search-form{width:220px;opacity:1;margin-left:10px}
.search-form input{width:100%;height:38px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface-2);padding:0 16px;font-size:14px;color:var(--c-ink);transition:border-color var(--t),box-shadow var(--t)}
.search-form input::placeholder{color:var(--c-ink-3)}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,124,116,.12);background:#fff}
.nav-links{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-text-link{font-size:15px;color:var(--c-ink-2);transition:color var(--t)}
.nav-text-link:hover{color:var(--c-primary)}
.menu-toggle{display:none;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer}

.nav-tabs-wrap{border-top:1px solid var(--c-line);background:var(--c-surface)}
.nav-tabs-row{display:flex;align-items:center;gap:16px}
.nav-tabs{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;flex:1 1 auto}
.nav-tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;padding:7px 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);font-size:14.5px;color:var(--c-ink-2);white-space:nowrap;scroll-snap-align:start;transition:background var(--t),color var(--t),border-color var(--t)}
.tab:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:var(--c-primary-l)}
.tab.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.tab.is-active:hover{background:var(--c-primary-d);color:#fff}
.nav-updated{font-size:12.5px;color:var(--c-ink-3);white-space:nowrap;flex:0 0 auto}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-pill);border:1.5px solid transparent;font-size:15px;font-weight:600;cursor:pointer;text-align:center;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(15,124,116,.08);color:var(--c-primary-d);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;background:var(--c-bg)}
.hero::after{content:"";position:absolute;right:-160px;top:-140px;width:680px;height:680px;border-radius:50%;background:radial-gradient(circle,rgba(15,124,116,.13) 0%,rgba(15,124,116,0) 68%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.32fr 1fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;padding:5px 14px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary);font-size:13px;font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(30px,4.2vw,44px);line-height:1.28;color:var(--c-ink);margin-bottom:18px}
.hero-sub{margin:0 0 28px;font-size:17.5px;line-height:1.8;color:var(--c-ink-2);max-width:33em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.hero-badges li{padding:5px 14px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary);font-size:12.5px;font-weight:600}
.hero-visual{position:relative}
.hero-figure{margin:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:var(--c-surface-2)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-stat{position:absolute;left:-16px;bottom:-24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-2);padding:14px 20px;min-width:196px}
.hero-stat strong{display:block;font-size:28px;font-weight:700;line-height:1.15;color:var(--c-primary);font-variant-numeric:tabular-nums;font-family:Inter,"SF Pro Text",system-ui,sans-serif}
.hero-stat span{font-size:12.5px;color:var(--c-ink-3);line-height:1.6}

/* ============ 卖点纵列 ============ */
.point-list{list-style:none;margin:0;padding:0}
.point-item{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:42px 0;border-bottom:1px dashed var(--c-line)}
.point-item:first-child{padding-top:0}
.point-item:last-child{border-bottom:0;padding-bottom:0}
.point-item:nth-child(even) .point-media{order:-1}
.point-text{display:grid;grid-template-columns:78px 1fr;gap:18px;align-items:start}
.point-num{font-size:46px;font-weight:700;line-height:1;color:var(--c-accent);opacity:.82;font-variant-numeric:tabular-nums;font-family:Inter,"SF Pro Text",system-ui,sans-serif;letter-spacing:-.02em}
.point-body h3{font-size:19px;font-weight:600;color:var(--c-ink);margin-bottom:10px}
.point-body p{font-size:15.5px;line-height:1.85;color:var(--c-ink-2);margin-bottom:14px}
.point-media{margin:0;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:var(--c-surface-2);box-shadow:var(--sh-1)}
.point-media img{width:100%;height:100%;object-fit:cover;transition:transform 280ms var(--ease)}
.point-item:hover .point-media img{transform:scale(1.03)}

/* ============ 图墙 ============ */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-md);background:var(--c-surface-2);box-shadow:var(--sh-1)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform 280ms var(--ease)}
.wall-item:hover img{transform:scale(1.04)}
.wall-tag{position:absolute;left:12px;top:12px;padding:3px 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.88);color:var(--c-ink);font-size:11px;font-weight:600;letter-spacing:.02em}
.wall-cap{position:absolute;left:0;right:0;bottom:0;padding:20px 16px 14px;color:#fff;font-size:14px;font-weight:600;background:linear-gradient(to top,rgba(6,32,30,.80),rgba(6,32,30,0));transition:transform var(--t)}
.wall-item:hover .wall-cap{transform:translateY(-4px)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow var(--t),transform var(--t),border-color var(--t)}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(15,124,116,.26);color:inherit}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.badge{display:inline-block;align-self:flex-start;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary);font-size:12px;font-weight:600}
.news-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t)}
.news-card:hover .news-title{color:var(--c-primary)}
.news-sum{margin:0;font-size:14.5px;line-height:1.8;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.news-foot svg{color:var(--c-primary)}
.news-empty{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:32px;background:var(--c-primary-l);border-radius:var(--r-lg);color:var(--c-ink-2);font-size:15px;text-align:center}
.news-empty svg{color:var(--c-primary);opacity:.75}

/* ============ CTA ============ */
.cta-block{position:relative;overflow:hidden;background:var(--c-ink);border-radius:24px;padding:48px}
.cta-block::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.18;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.8vw,30px);margin-bottom:14px}
.cta-inner > div > p{color:#C9D6D3;font-size:16px;line-height:1.85;margin:0 0 22px;max-width:30em}
.cta-points{list-style:none;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;color:#DCE7E4;font-size:15px;line-height:1.7}
.cta-points svg{flex:0 0 auto;margin-top:4px;color:var(--c-accent)}
.form-card{background:var(--c-surface);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-3)}
.form-card h3{font-size:19px;margin-bottom:6px;color:var(--c-ink)}
.form-tip{margin:0 0 18px;font-size:13.5px;color:var(--c-ink-3);line-height:1.7}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:6px}
.input{width:100%;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);padding:0 14px;font-size:15px;color:var(--c-ink);transition:border-color var(--t),box-shadow var(--t)}
.input::placeholder{color:var(--c-ink-3)}
.input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,124,116,.12)}
.code-row{display:grid;grid-template-columns:1fr 104px;gap:10px}
.code-box{height:44px;border-radius:12px;border:1px dashed rgba(15,124,116,.42);background:var(--c-primary-l);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:.16em;font-variant-numeric:tabular-nums;user-select:none}
.check-row{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.65;color:var(--c-ink-3);margin:4px 0 16px}
.check-row input{margin-top:3px;accent-color:var(--c-primary)}
.privacy{margin:12px 0 0;font-size:12px;line-height:1.7;color:var(--c-ink-3);text-align:center}

/* ============ 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:border-color var(--t),box-shadow var(--t)}
.faq-item:hover{border-color:rgba(15,124,116,.28)}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:rgba(15,124,116,.3)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;cursor:pointer;line-height:1.5;transition:color var(--t)}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.faq-icon::before{left:50%;top:5px;bottom:5px;width:2px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:5px;right:5px;height:2px;transform:translateY(-50%)}
.faq-item.is-open .faq-icon::before{transform:translateX(-50%) rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--t)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{margin:0;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#C9D6D3;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:inline-flex;align-items:baseline;gap:6px;font-size:20px;font-weight:700;color:#fff;margin-bottom:12px}
.footer-brand .sub{font-size:12px;font-weight:600;color:var(--c-primary-l);letter-spacing:.06em}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB2AE;margin:0 0 18px;max-width:25em}
.footer-social{display:flex;gap:12px}
.footer-social a{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:#C9D6D3;transition:background var(--t),color var(--t),border-color var(--t)}
.footer-social a:hover{background:rgba(15,124,116,.35);border-color:var(--c-primary);color:#fff}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-primary-l);letter-spacing:.04em;margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{display:inline-block;font-size:15px;color:#C9D6D3;transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact p{margin:0 0 10px;font-size:14px;line-height:1.75;color:#C9D6D3}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:#8FA09C;line-height:1.7}

/* ============ 移动抽屉 ============ */
.mobile-drawer{position:fixed;inset:0;z-index:200;display:none}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(16,32,30,.45)}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(320px,86vw);background:var(--c-surface);padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;box-shadow:var(--sh-3)}
.drawer-close{align-self:flex-end;width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface-2);color:var(--c-ink);font-size:18px;line-height:1;cursor:pointer}
.drawer-brand{font-size:18px;font-weight:700;color:var(--c-ink)}
.drawer-brand span{display:block;font-size:12px;font-weight:600;color:var(--c-primary);letter-spacing:.06em;margin-top:2px}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{padding:12px 4px;font-size:15.5px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);transition:color var(--t)}
.drawer-nav a:hover{color:var(--c-primary)}
.drawer-meta{font-size:12.5px;line-height:1.8;color:var(--c-ink-3);margin-top:auto}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{max-width:560px}
  .point-item{gap:32px}
  .point-text{grid-template-columns:64px 1fr;gap:14px}
  .point-num{font-size:38px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-block{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-updated{display:none}
}
@media (min-width:768px){
  .wall-item:nth-child(1){grid-column:span 6;aspect-ratio:16/10}
  .wall-item:nth-child(2){grid-column:span 3;aspect-ratio:4/5}
  .wall-item:nth-child(3){grid-column:span 3;aspect-ratio:4/5}
  .wall-item:nth-child(4){grid-column:span 4;aspect-ratio:4/3}
  .wall-item:nth-child(5){grid-column:span 4;aspect-ratio:4/3}
  .wall-item:nth-child(6){grid-column:span 4;aspect-ratio:4/3}
}
@media (max-width:767px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .nav-search{margin-left:auto}
  .nav-search.is-open .search-form{width:170px}
  .wall{grid-template-columns:repeat(2,1fr);gap:12px}
  .wall-item{grid-column:auto !important;aspect-ratio:4/3 !important}
  .wall-cap{font-size:13px;padding:16px 12px 12px}
  .point-item{grid-template-columns:1fr;gap:20px;padding:32px 0}
  .point-item:nth-child(even) .point-media{order:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stat{left:auto;right:12px;bottom:-18px;min-width:0;padding:10px 16px}
  .hero-stat strong{font-size:22px}
  .countdown-inner{height:38px;gap:10px;justify-content:space-between;padding:0 16px}
  .cb-left{font-size:12px}
  .cd-cell b{font-size:15px}
  .cd-cell:last-child{display:none}
  .cb-link{font-size:12px}
  .nav-top-inner{height:58px;gap:10px}
  .brand{font-size:17px}
  .brand-sub{font-size:11px}
  .nav-tabs{height:44px}
  .tab{padding:6px 14px;font-size:13.5px}
  .news-grid{grid-template-columns:1fr}
  .point-num{font-size:32px}
  .point-text{grid-template-columns:52px 1fr;gap:12px}
  .cta-block{padding:28px 20px;border-radius:18px}
  .form-card{padding:20px}
  .code-row{grid-template-columns:1fr 90px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{font-size:15.5px;padding:16px}
  .faq-a p{padding:0 16px 16px;font-size:14.5px}
}

/* roulang page: article */
:root{
  --c-primary:#0F7C74;
  --c-primary-d:#0A5C56;
  --c-primary-l:#EAF4F1;
  --c-accent:#E8A13A;
  --c-accent-l:#FDF3E3;
  --c-alert:#D9583F;
  --c-ink:#10201E;
  --c-ink-2:#3C4A47;
  --c-ink-3:#7C8A86;
  --c-line:#E3DED2;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(16,58,54,.06);
  --sh-2:0 10px 28px rgba(16,58,54,.10);
  --sh-3:0 18px 48px rgba(16,58,54,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  --font-num:Inter,"SF Pro Text",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color 240ms var(--ease);}
a:hover{color:var(--c-primary-d);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:rgba(15,124,116,.08);color:var(--c-primary-d);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(15,124,116,.4);padding-bottom:1px;
  transition:color 240ms var(--ease),border-color 240ms var(--ease),gap 240ms var(--ease);
}
.text-link:hover{color:var(--c-primary-d);border-color:var(--c-primary-d);gap:10px;}
/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.7;
  background:var(--c-primary-l);color:var(--c-primary);
}
.badge-accent{background:var(--c-accent-l);color:#A96D14;}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--c-line);
}
.nav-top{height:64px;display:flex;align-items:center;}
.nav-top-inner{
  position:relative;
  display:flex;align-items:center;gap:20px;
  width:100%;
}
.brand{display:flex;align-items:baseline;gap:6px;flex-shrink:0;}
.brand-main{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;}
.brand-sub{font-size:12px;font-weight:600;color:var(--c-primary);letter-spacing:.06em;}
.nav-search{position:relative;display:flex;align-items:center;margin-left:auto;}
.search-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  cursor:pointer;transition:border-color 240ms var(--ease),color 240ms var(--ease),background 240ms var(--ease);
}
.search-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.search-form{
  width:0;overflow:hidden;opacity:0;
  transition:width 260ms var(--ease),opacity 260ms var(--ease),margin 260ms var(--ease);
}
.nav-search.is-open .search-form{width:230px;opacity:1;margin-right:10px;}
.search-form input{
  width:100%;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface-2);
  padding:0 16px;font-size:14px;color:var(--c-ink);
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease),background 240ms var(--ease);
}
.search-form input::placeholder{color:var(--c-ink-3);}
.search-form input:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 3px rgba(15,124,116,.12);
}
.nav-links{display:flex;align-items:center;gap:18px;}
.nav-text-link{font-size:14.5px;font-weight:600;color:var(--c-ink-2);}
.nav-text-link:hover{color:var(--c-primary);}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);cursor:pointer;
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-tabs-wrap{border-top:1px solid var(--c-line);background:#fff;}
.nav-tabs-row{display:flex;align-items:center;gap:16px;height:52px;}
.nav-tabs{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
  padding:6px 0;flex:1 1 auto;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:transparent;
  font-size:14px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  transition:background 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
}
.tab:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:rgba(15,124,116,.25);}
.tab.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.nav-updated{flex:0 0 auto;font-size:12.5px;color:var(--c-ink-3);font-family:var(--font-num);}
/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0 4px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-ink-3);
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#B9C4C0;}
.breadcrumb .current{color:var(--c-ink-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- 文章头部 ---------- */
.article-head{padding:14px 0 30px;}
.article-head .meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:16px;}
.meta-item{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--c-ink-3);font-family:var(--font-num);
}
.meta-item svg{color:var(--c-ink-3);}
.article-title{
  font-size:clamp(28px,3.6vw,38px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:.02em;
  max-width:22em;
  color:var(--c-ink);
}
.article-lead{
  margin-top:18px;
  max-width:38em;
  padding-left:14px;
  border-left:3px solid var(--c-primary);
  font-size:14.5px;
  line-height:1.85;
  color:var(--c-ink-2);
}
/* ---------- 文章布局 ---------- */
.article-wrap{padding-bottom:72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;
  align-items:start;
}
.article-main{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:40px 42px 44px;
  box-shadow:var(--sh-1);
}
.prose{font-size:17px;line-height:1.9;color:var(--c-ink-2);max-width:38em;}
.prose > * + *{margin-top:1.15em;}
.prose p{margin:0;font-size:17px;line-height:1.9;color:var(--c-ink-2);}
.prose > * + p{margin-top:1.15em;}
.prose h2{
  position:relative;
  margin-top:40px;margin-bottom:14px;
  padding-left:14px;
  font-size:23px;font-weight:700;line-height:1.4;color:var(--c-ink);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:20px;border-radius:2px;background:var(--c-primary);
}
.prose h3{margin-top:28px;margin-bottom:10px;font-size:18px;font-weight:600;line-height:1.6;color:var(--c-ink);}
.prose h4{margin-top:22px;margin-bottom:8px;font-size:16.5px;font-weight:600;color:var(--c-ink);}
.prose ul,.prose ol{margin-top:1.05em;padding-left:1.35em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin:8px 0;font-size:16.5px;line-height:1.85;color:var(--c-ink-2);}
.prose li::marker{color:var(--c-primary);}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.prose a:hover{color:var(--c-primary-d);}
.prose blockquote{
  margin:24px 0;padding:18px 20px;
  background:var(--c-primary-l);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  font-size:15.5px;line-height:1.85;color:var(--c-ink-2);
}
.prose blockquote > * + *{margin-top:.7em;}
.prose img{border-radius:var(--r-md);margin:24px 0;width:100%;}
.prose figure{margin:24px 0;}
.prose figcaption{margin-top:10px;font-size:13px;text-align:center;color:var(--c-ink-3);}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;}
.prose th{background:var(--c-primary-l);color:var(--c-ink);font-weight:600;text-align:left;}
.prose th,.prose td{padding:12px 14px;border:1px solid var(--c-line);}
.prose tbody tr:nth-child(even){background:var(--c-surface-2);}
.prose strong{color:var(--c-ink);font-weight:600;}
.prose hr{border:none;border-top:1px dashed var(--c-line);margin:32px 0;}
/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:120px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:20px 20px 18px;
  box-shadow:var(--sh-1);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--c-ink-3);
  letter-spacing:.04em;margin-bottom:14px;
}
.side-title::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--c-primary);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 0 7px 12px;
  border-left:2px solid transparent;
  font-size:14.5px;color:var(--c-ink-2);
  transition:color 220ms var(--ease),border-color 220ms var(--ease),background 220ms var(--ease);
}
.toc-list a:hover{color:var(--c-primary);border-color:rgba(15,124,116,.4);}
.toc-list a.is-current{color:var(--c-primary);border-color:var(--c-primary);font-weight:600;}
.side-links{display:flex;flex-direction:column;}
.side-links li + li{border-top:1px dashed var(--c-line);}
.side-links a{display:block;padding:12px 0;}
.side-links .link-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14.5px;font-weight:600;line-height:1.6;color:var(--c-ink);
  transition:color 220ms var(--ease);
}
.side-links a:hover .link-title{color:var(--c-primary);}
.side-links .link-date{display:block;margin-top:6px;font-size:12.5px;color:var(--c-ink-3);font-family:var(--font-num);}
.side-cta{
  background:var(--c-primary-l);
  border:1px solid rgba(15,124,116,.18);
  border-radius:var(--r-md);
  padding:22px 20px;
}
.side-cta p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin-bottom:14px;}
.side-cta .btn{width:100%;}
/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;padding:40px 24px;text-align:center;
  background:var(--c-primary-l);
  border:1px dashed rgba(15,124,116,.28);
  border-radius:var(--r-md);
}
.empty-state svg{color:var(--c-primary);}
.empty-state p{font-size:15.5px;color:var(--c-ink-2);}
.empty-state .empty-title{font-size:17px;font-weight:600;color:var(--c-ink);}
/* ---------- 文章尾部 ---------- */
.article-foot{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);
}
.back-channel{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary);}
.back-channel:hover{gap:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
/* ---------- 相关推荐 ---------- */
.related{padding:0 0 72px;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;
}
.sec-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.4;letter-spacing:.02em;}
.sec-head p{margin-top:8px;font-size:14.5px;color:var(--c-ink-3);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow 240ms var(--ease),transform 240ms var(--ease),border-color 240ms var(--ease);
}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(15,124,116,.28);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-l);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 280ms var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--c-primary);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--c-ink);
  transition:color 220ms var(--ease);
}
.post-card:hover .post-body h3{color:var(--c-primary);}
.post-body p{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14.5px;line-height:1.8;color:var(--c-ink-3);
}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);font-family:var(--font-num);
}
.post-foot svg{color:var(--c-primary);transition:transform 220ms var(--ease);}
.post-card:hover .post-foot svg{transform:translateX(3px);}
/* ---------- FAQ ---------- */
.faq-section{padding:0 0 76px;}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.faq-item.is-open{border-color:rgba(15,124,116,.3);box-shadow:var(--sh-2);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 20px;
  background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:color 220ms var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-l);color:var(--c-primary);
  transition:transform 260ms var(--ease),background 260ms var(--ease),color 260ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
/* ---------- CTA ---------- */
.cta-block{padding:0 0 80px;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--c-ink);
  color:#fff;
  padding:48px 44px;
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:36px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.18;
  mix-blend-mode:luminosity;
  pointer-events:none;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(15,124,116,.55),transparent 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{font-size:clamp(23px,2.8vw,30px);font-weight:700;line-height:1.4;letter-spacing:.02em;color:#fff;}
.cta-copy p{margin-top:14px;font-size:15.5px;line-height:1.85;color:#C9D6D3;max-width:34em;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#E4EDEB;}
.cta-points svg{flex:0 0 auto;margin-top:4px;color:var(--c-accent);}
.cta-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-note{font-size:12.5px;color:#8FA09C;line-height:1.8;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9D6D3;padding:64px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:baseline;gap:6px;font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em;}
.footer-brand .sub{font-size:12px;font-weight:600;color:#7FC7BE;letter-spacing:.06em;}
.footer-desc{margin-top:14px;font-size:14.5px;line-height:1.85;color:#9FB0AC;max-width:24em;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);color:#C9D6D3;
  transition:background 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease);
}
.footer-social a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:600;color:#EAF4F1;letter-spacing:.04em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:15px;color:#C9D6D3;transition:color 220ms var(--ease),transform 220ms var(--ease);display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14.5px;line-height:1.85;color:#9FB0AC;margin-bottom:10px;}
.footer-contact strong{color:#EAF4F1;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:#8FA09C;
}
.footer-bottom .meta{font-family:var(--font-num);}
.footer-disclaimer{padding-bottom:26px;font-size:12px;line-height:1.8;color:#8FA09C;max-width:60em;}
/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
  .article-main{padding:34px 30px 38px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px;}
  .footer-col.footer-contact{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;top:auto;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:38px 30px;gap:26px;}
  .nav-updated{display:none;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-links.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
    padding:14px;box-shadow:var(--sh-2);z-index:80;
  }
  .nav-links.is-open .nav-text-link{padding:10px 8px;border-radius:8px;}
  .nav-links.is-open .nav-text-link:hover{background:var(--c-primary-l);}
  .nav-links.is-open .btn{width:100%;}
  .nav-search{margin-left:auto;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .article-head{padding:10px 0 24px;}
  .article-main{padding:26px 20px 30px;border-radius:var(--r-md);}
  .prose,.prose p,.prose li{font-size:16px;}
  .prose h2{font-size:20px;margin-top:32px;}
  .prose h3{font-size:17px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-card{padding:30px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-col.footer-contact{grid-column:1 / -1;}
  .related{padding-bottom:52px;}
  .faq-section{padding-bottom:56px;}
  .cta-block{padding-bottom:56px;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .nav-top{height:58px;}
  .brand-main{font-size:17px;}
  .nav-search.is-open .search-form{width:150px;}
  .article-title{font-size:25px;}
  .article-lead{font-size:14px;}
  .breadcrumb .current{max-width:180px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:15.5px;padding:16px;}
  .faq-a-inner{padding:0 16px 16px;font-size:14.5px;}
  .side-card{padding:18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F7C74;
  --c-primary-d:#0A5C56;
  --c-primary-l:#EAF4F1;
  --c-accent:#E8A13A;
  --c-alert:#D9583F;
  --c-ink:#10201E;
  --c-ink-2:#3C4A47;
  --c-ink-3:#7C8A86;
  --c-line:#E3DED2;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(16,58,54,.06);
  --sh-2:0 10px 28px rgba(16,58,54,.10);
  --sh-3:0 18px 48px rgba(16,58,54,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  --font-num:Inter,"SF Pro Text",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

/* 容器与版块 */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section.tight-top{padding-top:56px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(23px,3vw,32px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:.02em;
  color:var(--c-ink);
  margin:0;
}
.section-head p{
  font-size:15px;
  color:var(--c-ink-3);
  margin-top:6px;
}
.link-more{
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid rgba(15,124,116,.35);
  padding-bottom:2px;
  white-space:nowrap;
}
.link-more:hover{border-bottom-color:var(--c-primary-d);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1;
  transition:background-color .26s var(--ease),color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(15,124,116,.10);color:var(--c-primary-d);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{display:flex;width:100%;}

/* 徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  padding:3px 10px;
  border-radius:var(--r-pill);
  line-height:1.6;
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-weight:600;
  white-space:nowrap;
}
.badge-accent{background:rgba(232,161,58,.14);color:#9B6A15;}
.badge-alert{background:rgba(217,88,63,.12);color:var(--c-alert);}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,243,236,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-top-inner{
  display:flex;
  align-items:center;
  gap:14px;
  height:64px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:6px;
  flex-shrink:0;
}
.brand-main{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--c-ink);
}
.brand-sub{
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-primary);
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.search-toggle{
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  background:transparent;
  color:var(--c-ink-2);
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.search-toggle:hover{background:var(--c-primary-l);color:var(--c-primary);}
.search-form{
  width:0;
  overflow:hidden;
  transition:width .26s var(--ease);
}
.nav-search.open .search-form{width:220px;}
.search-form input{
  width:100%;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-form input::placeholder{color:var(--c-ink-3);}
.search-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,124,116,.12);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-text-link{
  font-size:14.5px;
  color:var(--c-ink-2);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.nav-text-link:hover{color:var(--c-primary);border-bottom-color:rgba(15,124,116,.4);}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink);
}
.nav-tabs-wrap{
  border-top:1px solid var(--c-line);
  background:rgba(251,249,244,.75);
}
.nav-tabs-row{
  display:flex;
  align-items:center;
  gap:16px;
  height:48px;
}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
  padding:6px 0;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab{
  display:inline-block;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  font-size:14px;
  color:var(--c-ink-2);
  white-space:nowrap;
  scroll-snap-align:start;
  background:transparent;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.tab:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:transparent;}
.tab.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);font-weight:600;}
.tab.is-active:hover{background:var(--c-primary-d);color:#fff;}
.nav-updated{
  margin-left:auto;
  font-size:12.5px;
  color:var(--c-ink-3);
  white-space:nowrap;
}

/* 页头 */
.page-head{
  position:relative;
  padding:56px 0 44px;
  background:var(--c-bg);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-40px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(15,124,116,.10),rgba(15,124,116,0) 68%);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-ink-3);
  margin-bottom:18px;
}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span{color:var(--c-line);}
.page-head h1{
  position:relative;
  z-index:1;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--c-ink);
  max-width:22em;
}
.page-sub{
  position:relative;
  z-index:1;
  margin-top:16px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink-2);
  max-width:36em;
}
.head-badges{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

/* 主体分栏 */
.split{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:start;
}
.step{
  padding-bottom:36px;
  margin-bottom:36px;
  border-bottom:1px dashed var(--c-line);
}
.step:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.step-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:14px;
}
.step-num{
  font-family:var(--font-num);
  font-size:36px;
  font-weight:700;
  line-height:1;
  color:var(--c-accent);
  opacity:.85;
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
}
.step-head h3{
  font-size:20px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-ink);
}
.step p{
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-ink-2);
  margin-top:12px;
  max-width:38em;
}
.step p:first-of-type{margin-top:0;}
.step-figure{
  margin-top:22px;
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
}
.step-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .28s var(--ease);
}
.step-figure:hover img{transform:scale(1.03);}

/* 参数卡 */
.split-side{position:relative;}
.spec-card{
  position:sticky;
  top:140px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
}
.spec-title{
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--c-primary);
  margin-bottom:6px;
}
.spec-list{margin-bottom:20px;}
.spec-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:11px 0;
  border-bottom:1px dashed var(--c-line);
}
.spec-row:last-child{border-bottom:0;}
.spec-row dt{
  font-size:14px;
  color:var(--c-ink-3);
  flex-shrink:0;
}
.spec-row dd{
  font-size:14.5px;
  font-weight:600;
  color:var(--c-ink);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  text-align:right;
  letter-spacing:.01em;
}
.spec-note{
  margin-top:16px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--c-ink-3);
}

/* 指标带 */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:8px;
  background:var(--c-primary-l);
  border-radius:16px;
  padding:30px 12px;
}
.metric{
  text-align:center;
  padding:6px 10px;
  border-right:1px solid rgba(15,124,116,.16);
  display:flex;
  flex-direction:column;
  gap:6px;
}
.metric:last-child{border-right:0;}
.metric strong{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:700;
  line-height:1.1;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.metric strong em{
  font-style:normal;
  font-size:15px;
  font-weight:600;
  margin-left:2px;
}
.metric span{
  font-size:12.5px;
  color:var(--c-ink-3);
  letter-spacing:.02em;
}

/* 设备卡 */
.device-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  align-items:start;
}
.device-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:16px;
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease);
}
.device-card:hover{
  box-shadow:var(--sh-2);
  border-color:rgba(15,124,116,.25);
  transform:translateY(-2px);
}
.device-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  margin-bottom:16px;
}
.device-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-ink);
  margin-bottom:8px;
}
.device-card p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}
.device-card ul{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.device-card li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--c-ink-2);
  line-height:1.7;
}
.device-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--c-accent);
  opacity:.8;
}

/* FAQ */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:900px;
}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.faq-item:hover{border-color:rgba(15,124,116,.22);}
.faq-item.is-open{border-color:rgba(15,124,116,.35);box-shadow:var(--sh-2);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 20px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-ink);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  position:relative;
  flex-shrink:0;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--c-primary-l);
  transition:transform .26s var(--ease),background-color .26s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--c-primary);
  transform:translate(-50%,-50%);
  border-radius:2px;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .26s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary);}
.faq-item.is-open .faq-icon::before{background:#fff;}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 20px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* CTA */
.cta-band{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:36px;
  align-items:center;
  background:var(--c-ink);
  border-radius:24px;
  padding:48px 44px;
  overflow:hidden;
  box-shadow:var(--sh-3);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.18;
  mix-blend-mode:luminosity;
  pointer-events:none;
}
.cta-text{position:relative;z-index:1;}
.cta-text h2{
  font-size:clamp(23px,3vw,32px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:.02em;
  color:#fff;
}
.cta-text p{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:#C9D6D3;
  max-width:34em;
}
.cta-points{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:22px;
}
.cta-points li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:1.7;
  color:#E5EDEB;
}
.cta-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:.55em;
  width:12px;
  height:7px;
  border-left:2px solid var(--c-accent);
  border-bottom:2px solid var(--c-accent);
  transform:rotate(-45deg);
  border-radius:1px;
}
.cta-card{
  position:relative;
  z-index:1;
  background:var(--c-surface);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-3);
}
.cta-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-ink);
  margin-bottom:8px;
}
.cta-card p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-ink-2);
  margin-bottom:20px;
}
.cta-card .btn + .btn{margin-top:12px;}
.cta-card .privacy{
  margin-top:14px;
  margin-bottom:0;
  font-size:12px;
  line-height:1.7;
  color:var(--c-ink-3);
}

/* 页脚 */
.site-footer{
  margin-top:88px;
  background:var(--c-ink);
  color:#C9D6D3;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:14px;
}
.footer-brand span:first-child{
  font-size:19px;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
}
.footer-brand .sub{
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:#7FCFC5;
}
.footer-desc{
  font-size:14.5px;
  line-height:1.8;
  color:#9FB2AE;
  max-width:22em;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.footer-social a{
  display:flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  color:#C9D6D3;
  transition:background-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.footer-social a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  color:#B7DCD6;
  margin-bottom:16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  font-size:15px;
  color:#C9D6D3;
  transition:color .24s var(--ease),transform .24s var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{
  font-size:14.5px;
  line-height:1.8;
  color:#9FB2AE;
  margin-bottom:10px;
}
.footer-contact strong{color:#E5EDEB;font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  font-size:12.5px;
  color:#8FA09C;
}
.footer-bottom .disclaimer{max-width:60ch;}

/* 响应式 */
@media (max-width:1199px){
  .split{gap:36px;}
  .spec-card{top:120px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .container{padding:0 20px;}
  .split{grid-template-columns:minmax(0,1fr);gap:32px;}
  .spec-card{position:static;}
  .device-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px 32px;gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .nav-updated{display:none;}
  .site-footer{margin-top:64px;}
}
@media (max-width:767px){
  .device-grid{grid-template-columns:minmax(0,1fr);}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:24px 8px;}
  .metric:nth-child(2){border-right:0;}
  .metric{padding:12px 8px;}
  .metric strong{font-size:26px;}
  .page-head{padding:40px 0 32px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .nav-top-inner{height:58px;gap:10px;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:11px;}
  .nav-search.open .search-form{width:132px;}
  .nav-tabs-row{height:46px;gap:10px;}
  .tab{padding:7px 15px;font-size:13.5px;}
  .site-header.nav-open .nav-links{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    position:absolute;
    left:0;
    right:0;
    top:100%;
    background:var(--c-surface);
    border-top:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    padding:16px 16px 20px;
    gap:14px;
    z-index:70;
  }
  .site-header.nav-open .nav-links .btn{width:100%;}
  .step-num{font-size:30px;}
  .step-head h3{font-size:18px;}
  .step p{font-size:16px;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .cta-card{padding:22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .page-head h1{font-size:26px;}
  .faq-q{font-size:16px;padding:16px 16px;}
  .faq-a p{padding:0 16px 16px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F7C74;
  --c-primary-d:#0A5C56;
  --c-primary-l:#EAF4F1;
  --c-accent:#E8A13A;
  --c-alert:#D9583F;
  --c-ink:#10201E;
  --c-ink-2:#3C4A47;
  --c-ink-3:#7C8A86;
  --c-line:#E3DED2;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(16,58,54,.06);
  --sh-2:0 10px 28px rgba(16,58,54,.10);
  --sh-3:0 18px 48px rgba(16,58,54,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:240ms;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  --font-num:"Inter","SF Pro Text",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
: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 24px;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,243,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.nav-top-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:6px;
  flex-shrink:0;
}
.brand-main{
  font-size:21px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.02em;
}
.brand-sub{
  font-size:12px;
  font-weight:600;
  color:var(--c-primary);
  letter-spacing:.06em;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  margin-left:auto;
}
.search-toggle{
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--c-ink-2);
  border-radius:var(--r-pill);
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.search-toggle:hover{background:var(--c-primary-l);color:var(--c-primary);}
.search-form{
  width:0;
  overflow:hidden;
  opacity:0;
  transition:width var(--t) var(--ease),opacity var(--t) var(--ease),margin var(--t) var(--ease);
}
.nav-search.is-open .search-form{
  width:220px;
  opacity:1;
  margin-left:8px;
}
.search-form input{
  width:100%;
  height:38px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  padding:0 16px;
  font-size:14px;
  color:var(--c-ink);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.search-form input::placeholder{color:var(--c-ink-3);}
.search-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(15,124,116,.12);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:18px;
  flex-shrink:0;
}
.nav-text-link{
  font-size:15px;
  color:var(--c-ink-2);
  padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.nav-text-link:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  font-weight:600;
  white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn-primary{
  background:var(--c-primary);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--c-primary);
  border:1.5px solid var(--c-primary);
}
.btn-ghost:hover{background:rgba(15,124,116,.10);color:var(--c-primary-d);transform:translateY(-1px);}
.btn-light{
  background:#fff;
  color:var(--c-primary);
}
.btn-light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);}

.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-sm);
  color:var(--c-ink);
  border:1px solid var(--c-line);
  background:var(--c-surface);
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

.nav-tabs-wrap{
  border-top:1px solid rgba(227,222,210,.7);
  background:rgba(251,249,244,.7);
}
.nav-tabs-row{
  display:flex;
  align-items:center;
  gap:16px;
  height:48px;
}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
  padding:4px 0;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  scroll-snap-align:start;
  padding:6px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:transparent;
  font-size:14.5px;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.tab:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:rgba(15,124,116,.28);}
.tab.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
  font-weight:600;
}
.tab.is-active:hover{background:var(--c-primary-d);color:#fff;}
.nav-updated{
  margin-left:auto;
  font-size:12.5px;
  color:var(--c-ink-3);
  white-space:nowrap;
}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  display:none;
}
.mobile-drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;
  inset:0;
  background:rgba(16,32,30,.45);
}
.drawer-panel{
  position:absolute;
  top:0;
  right:0;
  width:min(320px,84vw);
  height:100%;
  background:var(--c-surface);
  padding:22px 20px;
  box-shadow:var(--sh-3);
  overflow-y:auto;
}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--c-line);
}
.drawer-brand{font-size:18px;font-weight:700;color:var(--c-ink);}
.drawer-brand span{font-size:12px;color:var(--c-primary);margin-left:5px;letter-spacing:.06em;}
.drawer-close{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);color:var(--c-ink-2);
}
.drawer-close:hover{background:var(--c-primary-l);color:var(--c-primary);}
.drawer-nav{margin:18px 0 22px;display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:block;
  padding:11px 12px;
  border-radius:var(--r-sm);
  font-size:15.5px;
  color:var(--c-ink-2);
}
.drawer-nav a:hover{background:var(--c-primary-l);color:var(--c-primary);}
.drawer-nav a.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600;}
.drawer-cta{width:100%;}
.drawer-tip{margin-top:16px;font-size:13px;color:var(--c-ink-3);line-height:1.75;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:64px 0 60px;
  background:var(--c-bg);
  overflow:hidden;
  text-align:center;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.14;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(234,244,241,.9) 0%,rgba(246,243,236,.55) 55%,rgba(246,243,236,.95) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  font-size:13px;
  color:var(--c-ink-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#B9C2BE;}
.breadcrumb .current{color:var(--c-ink-2);}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:4px 14px;
  border-radius:var(--r-pill);
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
}
.hero-badge::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.page-hero h1{
  margin:18px auto 0;
  max-width:16em;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.02em;
}
.hero-lead{
  margin:18px auto 0;
  max-width:34em;
  font-size:17px;
  line-height:1.8;
  color:var(--c-ink-2);
}
.hero-actions{
  margin-top:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--c-surface-2);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--c-accent);
  margin-bottom:10px;
}
.section-title{
  position:relative;
  font-size:clamp(23px,3vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.02em;
  padding-left:16px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:5px;height:26px;
  border-radius:3px;
  background:var(--c-primary);
}
.section-sub{
  margin-top:10px;
  margin-left:16px;
  font-size:15.5px;
  color:var(--c-ink-3);
  max-width:42em;
}
.section-link{
  flex-shrink:0;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid rgba(15,124,116,.35);
  padding-bottom:1px;
  white-space:nowrap;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.section-link:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-d);}

/* ============ 图墙 ============ */
.gallery{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:16px;
}
.tile{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-md);
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.tile:hover{box-shadow:var(--sh-2);}
.tile img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 280ms var(--ease);
}
.tile:hover img{transform:scale(1.03);}
.tile::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top,rgba(16,32,30,.66) 0%,rgba(16,32,30,.18) 38%,rgba(16,32,30,0) 68%);
  opacity:.82;
  transition:opacity var(--t) var(--ease);
}
.tile:hover::after{opacity:1;}
.tile figcaption{
  position:absolute;
  left:16px;right:16px;bottom:14px;
  z-index:2;
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform var(--t) var(--ease);
}
.tile:hover figcaption{transform:translateY(-4px);}
.tile-num{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  font-family:var(--font-num);
  font-size:11.5px;
  font-weight:600;
  color:var(--c-ink);
  background:rgba(255,255,255,.82);
  border-radius:var(--r-pill);
  padding:2px 10px;
  letter-spacing:.04em;
}
.tile-lg{grid-column:span 4;height:300px;}
.tile-md{grid-column:span 2;height:300px;}
.tile-sm{grid-column:span 2;height:220px;}
.tile-half{grid-column:span 3;height:240px;}

/* ============ 对照清单 ============ */
.compare-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.compare{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px 26px 18px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.compare:hover{box-shadow:var(--sh-2);border-color:rgba(15,124,116,.2);}
.compare h3{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:700;
  color:var(--c-ink);
  margin-bottom:14px;
}
.compare h3::before{
  content:"";
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-accent);
}
.compare ul{margin:0;}
.compare li{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:12px 0;
  border-bottom:1px dashed var(--c-line);
}
.compare li:last-child{border-bottom:0;}
.compare .k{
  font-size:15.5px;
  color:var(--c-ink-3);
  flex:0 0 auto;
}
.compare .v{
  font-size:15.5px;
  font-weight:600;
  color:var(--c-ink);
  text-align:right;
  font-family:var(--font-num);
}

/* ============ 三步路径 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px 24px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,124,116,.2);}
.step-num{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:var(--c-accent);
  opacity:.85;
  letter-spacing:.02em;
}
.step h3{
  margin-top:14px;
  font-size:19px;
  font-weight:600;
  color:var(--c-ink);
}
.step p{
  margin-top:8px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--c-ink-2);
}

/* ============ 跳转卡 ============ */
.jump-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.jump-card{
  display:block;
  padding:30px 28px;
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
  box-shadow:var(--sh-1);
}
.jump-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.jump-cyan{background:var(--c-primary-l);}
.jump-cyan:hover{border-color:rgba(15,124,116,.34);}
.jump-sand{background:#FAF1DF;}
.jump-sand:hover{border-color:rgba(232,161,58,.42);}
.jump-card h3{
  font-size:21px;
  font-weight:700;
  color:var(--c-ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.jump-card p{
  margin-top:8px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--c-ink-2);
  max-width:24em;
}
.jump-arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:50%;
  background:rgba(255,255,255,.8);
  color:var(--c-primary);
  font-size:16px;
  flex-shrink:0;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease);
}
.jump-card:hover .jump-arrow{transform:translateX(4px);background:#fff;}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;}
.faq details{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq details[open]{
  box-shadow:var(--sh-2);
  border-color:rgba(15,124,116,.24);
}
.faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";
  flex-shrink:0;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease);
}
.faq details[open] summary::after{
  content:"−";
  transform:rotate(180deg);
  background:var(--c-primary);
  color:#fff;
}
.faq .faq-body{
  padding:0 20px 18px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--c-ink);
  border-radius:24px;
  padding:48px 44px;
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:36px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.16;
  mix-blend-mode:screen;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,124,116,.55) 0%,rgba(15,124,116,0) 70%);
}
.cta-body{position:relative;z-index:2;}
.cta-body h2{
  font-size:clamp(23px,3vw,32px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
}
.cta-body p{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:#C9D6D3;
  max-width:30em;
}
.cta-points{
  margin-top:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:#DCE5E2;
}
.cta-points li::before{
  content:"";
  flex-shrink:0;
  width:16px;height:16px;
  margin-top:5px;
  border-radius:50%;
  background:rgba(232,161,58,.18);
  border:1.5px solid var(--c-accent);
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
}
.cta-note{
  font-size:12.5px;
  color:#8FA09C;
  line-height:1.7;
}

/* ============ Footer ============ */
.site-footer{
  background:var(--c-ink);
  color:#C9D6D3;
  padding:64px 0 0;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-size:20px;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
}
.footer-brand .sub{
  font-size:12px;
  font-weight:600;
  color:var(--c-primary-l);
  letter-spacing:.06em;
  opacity:.9;
}
.footer-desc{
  margin-top:14px;
  font-size:14.5px;
  line-height:1.8;
  color:#9FB0AC;
  max-width:22em;
}
.footer-social{
  margin-top:18px;
  display:flex;
  gap:10px;
}
.footer-social a{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  color:#C9D6D3;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.footer-social a:hover{
  background:rgba(15,124,116,.35);
  color:#fff;
  border-color:rgba(255,255,255,.3);
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--c-primary-l);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:15px;
  color:#C9D6D3;
  display:inline-block;
  transition:color var(--t) var(--ease),transform var(--t) var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{
  font-size:14.5px;
  line-height:1.85;
  color:#9FB0AC;
  margin-bottom:8px;
}
.footer-contact strong{color:#DCE5E2;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:#8FA09C;
  line-height:1.8;
}
.footer-bottom a{color:#8FA09C;}
.footer-bottom a:hover{color:#C9D6D3;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .nav-updated{display:none;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .gallery{grid-template-columns:repeat(4,1fr);}
  .tile-lg{grid-column:span 4;height:280px;}
  .tile-md{grid-column:span 2;height:220px;}
  .tile-sm{grid-column:span 2;height:200px;}
  .tile-half{grid-column:span 2;height:220px;}
  .compare-wrap{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .jump-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{margin-top:64px;}
  .cta-actions{align-items:stretch;}
  .cta-actions .btn{width:100%;}
}

@media (max-width:767px){
  body{font-size:16.5px;}
  .nav-top-inner{height:60px;gap:10px;}
  .brand-main{font-size:19px;}
  .nav-search.is-open .search-form{width:150px;}
  .page-hero{padding:44px 0 40px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-sub{margin-left:0;}
  .section-title{padding-left:14px;}
  .gallery{grid-template-columns:repeat(2,1fr);gap:12px;}
  .tile-lg{grid-column:span 2;height:230px;}
  .tile-md{grid-column:span 1;height:170px;}
  .tile-sm{grid-column:span 1;height:160px;}
  .tile-half{grid-column:span 2;height:190px;}
  .tile figcaption{font-size:13.5px;left:12px;right:12px;bottom:11px;}
  .compare{padding:20px 18px 14px;}
  .compare li{flex-direction:column;gap:4px;}
  .compare .v{text-align:left;}
  .step{padding:24px 20px 20px;}
  .jump-card{padding:24px 20px;}
  .jump-card h3{font-size:19px;}
  .faq summary{font-size:16px;padding:16px 16px;}
  .faq .faq-body{padding:0 16px 16px;}
  .cta-band{padding:30px 22px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:48px;margin-top:52px;}
}

@media (max-width:519px){
  .container{padding:0 16px;}
  .brand-main{font-size:18px;}
  .brand-sub{font-size:11px;}
  .btn-sm{height:36px;padding:0 14px;font-size:13.5px;}
  .nav-tabs-row{height:46px;}
  .tab{padding:5px 14px;font-size:13.5px;}
  .page-hero h1{font-size:26px;}
  .tile-md,.tile-sm{height:140px;}
  .step-num{font-size:28px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F7C74;
  --c-primary-d:#0A5C56;
  --c-primary-l:#EAF4F1;
  --c-accent:#E8A13A;
  --c-alert:#D9583F;
  --c-ink:#10201E;
  --c-ink-2:#3C4A47;
  --c-ink-3:#7C8A86;
  --c-line:#E3DED2;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(16,58,54,.06);
  --sh-2:0 10px 28px rgba(16,58,54,.10);
  --sh-3:0 18px 48px rgba(16,58,54,.14);
  --t:260ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
h1,h2,h3,h4{
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  color:var(--c-ink);
  letter-spacing:.02em;
  margin:0;
  font-weight:700;
}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.25;}
h2{font-size:clamp(23px,3vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.4em;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(16,58,54,.03);
}
.nav-top-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:6px;
  flex-shrink:0;
  color:var(--c-ink);
}
.brand:hover{color:var(--c-ink);}
.brand-main{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
}
.brand-sub{
  font-size:12px;
  color:var(--c-primary);
  letter-spacing:.06em;
  font-weight:600;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.search-toggle{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink-2);
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:all var(--t);
}
.search-toggle:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:#CCE3DE;}
.search-form{
  overflow:hidden;
  width:0;
  opacity:0;
  transition:width var(--t),opacity var(--t);
}
.nav-search.is-open .search-form{width:220px;opacity:1;}
.search-form input{
  width:100%;
  height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:0 16px;
  font-size:14px;
  color:var(--c-ink);
  background:var(--c-surface-2);
  outline:none;
  transition:all var(--t);
}
.search-form input::placeholder{color:var(--c-ink-3);}
.search-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,124,116,.12);background:var(--c-surface);}
.nav-links{
  display:flex;
  align-items:center;
  gap:18px;
  flex-shrink:0;
}
.nav-text-link{
  font-size:15px;
  color:var(--c-ink-2);
  padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:all var(--t);
}
.nav-text-link:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.02em;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:var(--c-primary);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--c-primary);
  border-color:var(--c-primary);
}
.btn-ghost:hover{background:rgba(15,124,116,.08);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}
.menu-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:var(--r-sm);
  color:var(--c-ink-2);
  cursor:pointer;
  transition:all var(--t);
}
.menu-toggle:hover{background:var(--c-primary-l);color:var(--c-primary);}
.nav-tabs-wrap{
  border-top:1px solid var(--c-line);
  background:var(--c-surface-2);
}
.nav-tabs-row{
  display:flex;
  align-items:center;
  gap:16px;
  height:48px;
}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-snap-type:x proximity;
  padding:4px 0;
  flex:1 1 auto;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  scroll-snap-align:start;
  padding:7px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  font-size:14.5px;
  color:var(--c-ink-2);
  background:transparent;
  transition:all var(--t);
  white-space:nowrap;
}
.tab:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:#CCE3DE;}
.tab.is-active{
  background:var(--c-primary);
  color:#fff;
  border-color:var(--c-primary);
  box-shadow:var(--sh-1);
}
.nav-updated{
  flex:0 0 auto;
  font-size:12.5px;
  color:var(--c-ink-3);
  letter-spacing:.02em;
}
/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  display:none;
}
.mobile-drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;
  inset:0;
  background:rgba(16,32,30,.42);
  backdrop-filter:blur(2px);
}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(84vw,340px);
  height:100%;
  background:var(--c-surface);
  padding:22px 20px 32px;
  overflow-y:auto;
  box-shadow:var(--sh-3);
  animation:drawerIn 240ms cubic-bezier(.2,.7,.3,1);
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4;}to{transform:translateX(0);opacity:1;}}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.drawer-close{
  width:36px;height:36px;
  border:1px solid var(--c-line);
  background:var(--c-surface-2);
  border-radius:var(--r-sm);
  color:var(--c-ink-2);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.drawer-title{
  font-size:12.5px;
  color:var(--c-ink-3);
  letter-spacing:.06em;
  margin:18px 0 10px;
}
.drawer-list{list-style:none;margin:0;padding:0;}
.drawer-list li{margin-bottom:6px;}
.drawer-list a{
  display:block;
  padding:11px 14px;
  border-radius:var(--r-sm);
  font-size:15.5px;
  color:var(--c-ink);
  border:1px solid transparent;
  transition:all var(--t);
}
.drawer-list a:hover{background:var(--c-primary-l);color:var(--c-primary);}
.drawer-list a.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600;border-color:#CCE3DE;}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.drawer-cta .btn{width:100%;}
/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  background:linear-gradient(180deg,#FBF9F4 0%,#F6F3EC 100%);
  border-bottom:1px solid var(--c-line);
  padding:56px 0 48px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-90px;
  width:520px;height:520px;
  background:radial-gradient(circle at 50% 50%,rgba(15,124,116,.10),rgba(15,124,116,0) 68%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-ink-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#BEC8C4;}
.breadcrumb .current{color:var(--c-ink-2);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-l);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.page-hero h1{max-width:20em;}
.page-hero .lead{
  margin-top:16px;
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink-2);
  max-width:36em;
}
/* ---------- 信息条 ---------- */
.rule-meta{
  margin-top:-30px;
  position:relative;
  z-index:2;
}
.meta-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:22px 24px;
}
.meta-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  min-width:0;
}
.meta-item + .meta-item{
  border-left:1px dashed var(--c-line);
  padding-left:20px;
}
.meta-icon{
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.meta-label{
  font-size:12px;
  color:var(--c-ink-3);
  letter-spacing:.05em;
  margin-bottom:2px;
}
.meta-value{
  font-size:15.5px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.55;
  font-variant-numeric:tabular-nums;
}
/* ---------- 主体 ---------- */
.section{padding:64px 0;}
.section-tight{padding:0 0 64px;}
.rules-layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.toc{
  position:sticky;
  top:132px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--sh-1);
}
.toc-title{
  font-size:13px;
  color:var(--c-ink-3);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.toc-list{
  list-style:none;
  margin:0;padding:0;
  counter-reset:toc;
}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:flex;
  gap:10px;
  padding:8px 10px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--c-ink-2);
  border-left:2px solid transparent;
  transition:all var(--t);
  line-height:1.5;
}
.toc-list a .num{
  color:var(--c-ink-3);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  padding-top:1px;
}
.toc-list a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.toc-list a.is-current{
  color:var(--c-primary);
  font-weight:600;
  background:var(--c-primary-l);
  border-left-color:var(--c-primary);
}
.toc-list a.is-current .num{color:var(--c-primary);}
.toc-hint{
  margin-top:14px;
  padding-top:14px;
  border-top:1px dashed var(--c-line);
  font-size:12.5px;
  color:var(--c-ink-3);
  line-height:1.7;
}
/* 条款 */
.clauses{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:8px 40px 40px;
  box-shadow:var(--sh-1);
}
.clause{
  padding-top:36px;
  scroll-margin-top:130px;
}
.clause + .clause{
  border-top:1px dashed var(--c-line);
}
.clause h2{
  display:flex;
  align-items:baseline;
  gap:12px;
  font-size:23px;
  margin-bottom:14px;
}
.clause h2 .idx{
  font-size:15px;
  font-weight:700;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  flex:0 0 auto;
}
.clause p{font-size:16.5px;line-height:1.9;color:var(--c-ink-2);}
.clause ol,.clause ul{
  padding-left:1.5em;
  color:var(--c-ink-2);
}
.clause ol li,.clause ul li{
  margin-bottom:9px;
  font-size:16.5px;
  line-height:1.9;
  padding-left:2px;
}
.clause ol li::marker{color:var(--c-primary);font-weight:600;}
.clause ul li::marker{color:var(--c-accent);}
.note{
  background:var(--c-primary-l);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  padding:15px 20px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--c-ink);
  margin:18px 0 6px;
}
.note strong{color:var(--c-primary);font-weight:600;}
.figure{
  margin:26px 0 8px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--c-line);
}
.figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.figure figcaption{
  font-size:13px;
  color:var(--c-ink-3);
  text-align:center;
  padding:10px 14px;
  background:var(--c-surface-2);
  border-top:1px solid var(--c-line);
}
.updated-line{
  margin-top:34px;
  padding-top:18px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-ink-3);
  font-variant-numeric:tabular-nums;
}
/* ---------- FAQ ---------- */
.faq-section{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,29px);}
.section-head .sub{
  font-size:14.5px;
  color:var(--c-ink-3);
  margin-top:8px;
}
.link-more{
  font-size:14.5px;
  color:var(--c-primary);
  border-bottom:1px solid rgba(15,124,116,.35);
  padding-bottom:2px;
  transition:all var(--t);
}
.link-more:hover{border-bottom-color:var(--c-primary);}
.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);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),border-color var(--t);
  overflow:hidden;
}
.faq-item:hover{box-shadow:var(--sh-2);border-color:#CFE4DF;}
.faq-item[open]{border-color:#CFE4DF;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:17px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary .plus{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform var(--t);
  color:var(--c-primary);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
}
.faq-item summary .plus::before{left:3px;right:3px;top:10px;height:2px;}
.faq-item summary .plus::after{top:3px;bottom:3px;left:10px;width:2px;transition:opacity var(--t);}
.faq-item[open] summary .plus{transform:rotate(180deg);}
.faq-item[open] summary .plus::after{opacity:0;}
.faq-body{
  padding:0 22px 18px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--c-ink-2);
}
/* ---------- CTA ---------- */
.cta-block{
  position:relative;
  background:var(--c-ink);
  border-radius:24px;
  padding:46px 44px;
  overflow:hidden;
  color:#DCE5E2;
}
.cta-block::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.16;
  mix-blend-mode:luminosity;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:380px;height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,124,116,.55),rgba(15,124,116,0) 70%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
}
.cta-block h2{color:#fff;font-size:clamp(23px,2.8vw,30px);margin-bottom:12px;}
.cta-block p{color:#B9C8C4;font-size:15.5px;line-height:1.85;margin-bottom:18px;max-width:34em;}
.cta-points{list-style:none;margin:0;padding:0;}
.cta-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:#DCE5E2;
  margin-bottom:10px;
}
.cta-points svg{flex:0 0 auto;margin-top:4px;color:var(--c-accent);}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.cta-actions .btn-primary{background:#fff;color:var(--c-ink);}
.cta-actions .btn-primary:hover{background:#EAF4F1;color:var(--c-ink);}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.cta-side{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:24px;
  backdrop-filter:blur(2px);
}
.cta-side h3{color:#fff;font-size:17px;margin-bottom:12px;}
.cta-side ul{list-style:none;margin:0;padding:0;}
.cta-side li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:14px;
  color:#B9C8C4;
}
.cta-side li:last-child{border-bottom:0;}
.cta-side li span:last-child{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:#C9D6D3;
  padding:60px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:36px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-size:19px;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
  margin-bottom:12px;
}
.footer-brand .sub{font-size:12px;color:var(--c-primary-l);letter-spacing:.06em;}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:#9FB0AC;
  max-width:22em;
  margin-bottom:16px;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:10px;
  color:#C9D6D3;
  transition:all var(--t);
}
.footer-social a:hover{
  background:rgba(15,124,116,.42);
  color:#fff;
  border-color:rgba(15,124,116,.7);
  transform:translateY(-1px);
}
.footer-col h4{
  font-size:14px;
  color:var(--c-primary-l);
  letter-spacing:.04em;
  font-weight:600;
  margin-bottom:14px;
}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:9px;}
.footer-links a{
  font-size:15px;
  color:#C9D6D3;
  transition:all var(--t);
  display:inline-block;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{
  font-size:14px;
  line-height:1.8;
  color:#9FB0AC;
  margin-bottom:8px;
}
.footer-contact strong{color:#E4EDEA;font-weight:600;}
.footer-bottom{
  padding-top:20px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:#8FA09C;
  line-height:1.8;
}
.footer-bottom a{color:#8FA09C;}
.footer-bottom a:hover{color:#fff;}
/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .rules-layout{grid-template-columns:220px minmax(0,1fr);gap:30px;}
  .clauses{padding:8px 28px 32px;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .nav-updated{display:none;}
  .meta-grid{grid-template-columns:1fr;gap:14px;padding:20px;}
  .meta-item + .meta-item{border-left:0;border-top:1px dashed var(--c-line);padding-left:0;padding-top:14px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-block{padding:36px 26px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:1023px){
  .rules-layout{grid-template-columns:1fr;gap:22px;}
  .toc{
    position:sticky;
    top:60px;
    z-index:20;
    padding:12px 14px;
    border-radius:var(--r-md);
  }
  .toc-title,.toc-hint{display:none;}
  .toc-list{
    display:flex;
    gap:8px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .toc-list::-webkit-scrollbar{display:none;}
  .toc-list li{margin-bottom:0;flex:0 0 auto;}
  .toc-list a{
    border:1px solid var(--c-line);
    border-left:1px solid var(--c-line);
    border-radius:var(--r-pill);
    padding:7px 14px;
    white-space:nowrap;
    font-size:14px;
  }
  .toc-list a.is-current{border-color:var(--c-primary);}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .page-hero{padding:36px 0 40px;}
  .section,.faq-section{padding:44px 0;}
  .clauses{padding:4px 20px 26px;border-radius:var(--r-md);}
  .clause{padding-top:28px;}
  .clause h2{font-size:20px;}
  .clause p,.clause ol li,.clause ul li{font-size:16px;}
  .rule-meta{margin-top:-24px;}
  .faq-item summary{font-size:15.5px;padding:15px 16px;}
  .faq-body{padding:0 16px 16px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  html{scroll-padding-top:150px;}
  .brand-main{font-size:17px;}
  .search-form{display:none;}
  .nav-search.is-open .search-form{display:flex;width:100%;}
  .nav-search{flex:1 1 auto;justify-content:flex-end;}
  .cta-block{padding:28px 20px;border-radius:18px;}
  .cta-block p{font-size:14.5px;}
  .cta-actions .btn{width:100%;}
  .page-hero .lead{font-size:16px;}
  .figure img{aspect-ratio:4/3;}
}
@media (max-width:520px){
  .nav-top-inner{gap:10px;height:58px;}
  .nav-tabs-row{height:44px;}
  .tab{padding:6px 14px;font-size:13.5px;}
  .meta-icon{width:34px;height:34px;}
  .meta-value{font-size:14.5px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F7C74;
  --c-primary-d:#0A5C56;
  --c-primary-l:#EAF4F1;
  --c-accent:#E8A13A;
  --c-alert:#D9583F;
  --c-ink:#10201E;
  --c-ink-2:#3C4A47;
  --c-ink-3:#7C8A86;
  --c-line:#E3DED2;
  --c-bg:#F6F3EC;
  --c-surface:#FFFFFF;
  --c-surface-2:#FBF9F4;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(16,58,54,.06);
  --sh-2:0 10px 28px rgba(16,58,54,.10);
  --sh-3:0 18px 48px rgba(16,58,54,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:240ms var(--ease);
  --font-zh:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  --font-num:"Inter","SF Pro Text",system-ui,sans-serif;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-zh);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-d);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:.02em;line-height:1.35;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:64px 0;}
.section--surface{background:var(--c-surface-2);}
.section--white{background:var(--c-surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(23px,3vw,32px);line-height:1.35;}
.section-head .lead{font-size:15px;color:var(--c-ink-3);margin:6px 0 0;max-width:52em;}
.text-link{font-size:14.5px;font-weight:600;border-bottom:1px solid var(--c-primary);padding-bottom:1px;transition:all var(--t);}
.text-link:hover{color:var(--c-primary-d);border-color:var(--c-primary-d);}

/* ---------- 双层导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);}
.nav-top-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:baseline;gap:7px;flex-shrink:0;}
.brand-main{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:.02em;}
.brand-sub{font-size:12px;color:var(--c-primary);letter-spacing:.06em;font-weight:600;}
.brand:hover .brand-main{color:var(--c-primary-d);}
.nav-search{display:flex;align-items:center;margin-left:auto;}
.search-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-pill);border:1px solid transparent;background:transparent;color:var(--c-ink-2);transition:all var(--t);}
.search-toggle:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:rgba(15,124,116,.2);}
.search-form{width:0;opacity:0;overflow:hidden;transition:width var(--t),opacity var(--t),margin var(--t);}
.nav-search.is-open .search-form{width:220px;opacity:1;margin-left:6px;}
.search-form input{width:100%;height:38px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);padding:0 16px;font-size:14px;color:var(--c-ink);transition:all var(--t);}
.search-form input::placeholder{color:var(--c-ink-3);}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,124,116,.12);}
.nav-links{display:flex;align-items:center;gap:18px;}
.nav-text-link{font-size:14.5px;color:var(--c-ink-2);font-weight:600;border-bottom:1px solid transparent;padding-bottom:1px;}
.nav-text-link:hover{color:var(--c-primary);border-color:var(--c-primary);}
.menu-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);}
.nav-tabs-wrap{border-top:1px solid rgba(227,222,210,.7);}
.nav-tabs-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:48px;}
.nav-tabs{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab{flex:0 0 auto;scroll-snap-align:start;padding:7px 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);font-size:14px;color:var(--c-ink-2);background:transparent;transition:all var(--t);white-space:nowrap;}
.tab:hover{background:var(--c-primary-l);color:var(--c-primary);border-color:rgba(15,124,116,.25);}
.tab.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(15,124,116,.22);}
.nav-updated{font-size:12.5px;color:var(--c-ink-3);white-space:nowrap;font-family:var(--font-num);}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;display:none;}
.drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(16,32,30,.45);}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--c-surface);padding:22px;overflow-y:auto;box-shadow:var(--sh-3);display:flex;flex-direction:column;gap:18px;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-ink);}
.drawer-close{width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);font-size:18px;line-height:1;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--c-ink-2);font-weight:600;background:var(--c-surface-2);}
.drawer-nav a.is-active{background:var(--c-primary);color:#fff;}
.drawer-foot{border-top:1px solid var(--c-line);padding-top:16px;font-size:13px;color:var(--c-ink-3);line-height:1.8;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;transition:all var(--t);white-space:nowrap;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:0 6px 16px rgba(15,124,116,.18);}
.btn-primary:hover{background:var(--c-primary-d);border-color:var(--c-primary-d);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(15,124,116,.1);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn-light{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn-light:hover{background:#EAF4F1;color:var(--c-primary-d);border-color:#EAF4F1;transform:translateY(-1px);}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:64px 0 56px;background:var(--c-bg);overflow:hidden;border-bottom:1px solid var(--c-line);}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%, rgba(15,124,116,.10), rgba(15,124,116,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:44px;align-items:start;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:4px 14px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary);font-size:12.5px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;}
.hero-copy h1{font-size:clamp(30px,4.4vw,46px);line-height:1.25;max-width:16em;}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-badges li{padding:4px 14px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary);font-size:12.5px;font-weight:600;}
.hero-aside{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:24px;position:sticky;top:132px;}
.aside-title{font-size:13px;color:var(--c-ink-3);letter-spacing:.04em;margin:0 0 6px;}
.aside-num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;margin:0 0 10px;letter-spacing:.01em;}
.aside-note{font-size:14px;color:var(--c-ink-3);line-height:1.8;margin:0 0 16px;}
.aside-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px dashed var(--c-line);font-size:14px;color:var(--c-ink-3);}
.aside-row strong{color:var(--c-ink);font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:15px;}

/* ---------- 联系卡 ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start;}
.contact-card{border-radius:16px;padding:24px;border:1px solid var(--c-line);box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t);display:flex;flex-direction:column;gap:10px;}
.contact-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.contact-card .c-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(15,124,116,.12);color:var(--c-primary);}
.contact-card h3{font-size:18px;line-height:1.5;}
.contact-card p{margin:0;font-size:14.5px;line-height:1.8;color:var(--c-ink-2);}
.contact-card .text-link{margin-top:6px;align-self:flex-start;}
.contact-card.is-teal{background:var(--c-primary-l);border-color:rgba(15,124,116,.18);}
.contact-card.is-white{background:var(--c-surface);}
.contact-card.is-amber{background:rgba(232,161,58,.08);border-color:rgba(232,161,58,.28);}
.contact-card.is-amber .c-icon{background:rgba(232,161,58,.18);color:#B97A16;}
.contact-card.is-amber .text-link{color:#B97A16;border-color:#B97A16;}
.contact-card .c-meta{font-size:13px;color:var(--c-ink-3);font-family:var(--font-num);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--c-line);border-radius:2px;}
.tl-item{position:relative;padding:0 0 30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:20px;height:20px;border-radius:50%;background:var(--c-surface);border:2px solid var(--c-primary);box-shadow:0 0 0 4px rgba(15,124,116,.10);}
.tl-step{font-family:var(--font-num);font-size:12.5px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;display:block;margin-bottom:4px;}
.tl-item h3{font-size:17px;line-height:1.5;margin-bottom:6px;}
.tl-item p{margin:0;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.process-layout{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:48px;align-items:start;}
.process-figure{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-2);background:var(--c-surface);}
.process-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.process-figure figcaption{padding:14px 18px;font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line);background:var(--c-surface);}

/* ---------- 对照表 ---------- */
.table-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;}
.data-table{width:100%;border-collapse:collapse;font-size:15px;}
.data-table thead th{background:var(--c-primary-l);color:var(--c-primary-d);font-size:13.5px;letter-spacing:.04em;text-align:left;padding:14px 18px;font-weight:700;}
.data-table tbody td{padding:15px 18px;border-top:1px solid var(--c-line);color:var(--c-ink-2);vertical-align:top;line-height:1.8;}
.data-table tbody tr{transition:background var(--t);}
.data-table tbody tr:hover{background:var(--c-surface-2);}
.data-table tbody td strong{color:var(--c-ink);font-weight:600;}
.data-table .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--c-ink);font-weight:600;white-space:nowrap;}

/* ---------- 自查图文 ---------- */
.check-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:center;}
.check-figure{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-line);}
.check-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:22px;}
.check-item{display:flex;gap:14px;align-items:flex-start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);padding:16px 18px;box-shadow:var(--sh-1);transition:all var(--t);}
.check-item:hover{border-color:rgba(15,124,116,.28);box-shadow:var(--sh-2);}
.check-check{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px;}
.check-item h3{font-size:16px;margin-bottom:2px;line-height:1.5;}
.check-item p{margin:0;font-size:14.5px;line-height:1.8;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);box-shadow:var(--sh-1);transition:box-shadow var(--t),border-color var(--t);}
.faq-item:hover{border-color:rgba(15,124,116,.22);box-shadow:var(--sh-2);}
.faq-item summary{list-style:none;cursor:pointer;position:relative;padding:18px 54px 18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--c-primary);line-height:1;transition:transform var(--t);}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.faq-body p{margin:0 0 .8em;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-block{position:relative;border-radius:24px;overflow:hidden;background:var(--c-ink);color:#fff;padding:48px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:40px;align-items:center;}
.cta-block::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.18;mix-blend-mode:luminosity;pointer-events:none;}
.cta-block > *{position:relative;z-index:1;}
.cta-block h2{color:#fff;font-size:clamp(23px,3vw,32px);line-height:1.35;}
.cta-block p{color:#C9D6D3;font-size:15.5px;line-height:1.85;margin:14px 0 0;max-width:36em;}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:22px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:#E6EFEC;}
.cta-points li::before{content:"✓";width:20px;height:20px;border-radius:50%;background:var(--c-accent);color:#3A2500;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:0 0 20px;}
.cta-card{background:#fff;border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-3);}
.cta-card h3{font-size:17px;margin-bottom:6px;}
.cta-card .hint{font-size:13px;color:var(--c-ink-3);margin:0 0 18px;line-height:1.7;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:6px;}
.field input{width:100%;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);padding:0 14px;font-size:15px;color:var(--c-ink);transition:all var(--t);}
.field input::placeholder{color:var(--c-ink-3);}
.field input:focus{outline:none;border-color:var(--c-primary);border-width:1.5px;box-shadow:0 0 0 3px rgba(15,124,116,.12);}
.cta-card .btn{width:100%;}
.cta-privacy{font-size:12px;color:var(--c-ink-3);margin:12px 0 0;line-height:1.7;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9D6D3;padding:56px 0 28px;margin-top:var(--sp-section);}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:baseline;gap:7px;margin-bottom:14px;}
.footer-brand span:first-child{font-size:18px;font-weight:700;color:#fff;letter-spacing:.02em;}
.footer-brand .sub{font-size:12px;color:var(--c-primary-l);letter-spacing:.06em;}
.footer-desc{font-size:14px;line-height:1.8;color:#A9BAB6;margin:0 0 16px;max-width:24em;}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;color:#C9D6D3;transition:all var(--t);}
.footer-social a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-1px);}
.footer-col h4{font-size:14px;color:var(--c-primary-l);letter-spacing:.04em;margin-bottom:14px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:15px;color:#C9D6D3;transition:all var(--t);}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact p{font-size:14px;line-height:1.85;color:#A9BAB6;margin:0 0 8px;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:#8FA09C;line-height:1.8;}
.footer-bottom a{color:#8FA09C;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .hero-inner{grid-template-columns:1fr;gap:30px;}
  .hero-aside{position:static;max-width:520px;}
  .process-layout,.check-layout{grid-template-columns:1fr;gap:32px;}
  .contact-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
  .cta-block{grid-template-columns:1fr;padding:36px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .nav-updated{display:none;}
}
@media (max-width:767px){
  :root{--sp-section:44px;}
  .container{padding:0 20px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-search{margin-left:auto;}
  .nav-search.is-open .search-form{position:absolute;left:16px;right:16px;top:66px;width:auto;margin:0;background:var(--c-surface);padding:10px;border-radius:var(--r-md);box-shadow:var(--sh-2);border:1px solid var(--c-line);z-index:70;}
  .nav-tabs-row{height:52px;}
  .contact-cards{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-block{padding:28px 22px;border-radius:18px;}
  .cta-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  body{font-size:16px;}
  .page-hero{padding:44px 0 38px;}
  .hero-copy h1{font-size:28px;}
  .hero-actions .btn{flex:1 1 auto;}
  .data-table thead{display:none;}
  .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%;}
  .data-table tbody tr{border:1px solid var(--c-line);border-radius:var(--r-md);margin:12px;padding:4px;background:var(--c-surface);}
  .data-table tbody td{border-top:none;display:flex;gap:12px;padding:9px 12px;font-size:14.5px;}
  .data-table tbody td::before{content:attr(data-label);flex:0 0 76px;color:var(--c-ink-3);font-size:13px;font-weight:600;}
  .data-table tbody td.num{white-space:normal;}
  .table-wrap{background:transparent;border:none;box-shadow:none;overflow:visible;}
  .timeline{padding-left:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}