/* roulang page: index */
:root{
  --c-primary:#00B892;
  --c-primary-deep:#046B58;
  --c-primary-soft:#E3F7F1;
  --c-accent:#D8FF3E;
  --c-accent-2:#FF6B3D;
  --c-ink:#0E1A17;
  --c-ink-2:#55655F;
  --c-line:#E1EAE5;
  --c-bg:#F4F7F5;
  --c-surface:#FFFFFF;
  --c-dark:#071512;
  --g-brand:linear-gradient(135deg,#00B892 0%,#046B58 52%,#071512 100%);
  --g-accent:linear-gradient(90deg,#D8FF3E 0%,#00B892 100%);
  --r-chip:8px;--r-sm:12px;--r-card:16px;--r-lg:24px;--r-xl:32px;--r-pill:999px;
  --sh-sm:0 1px 2px rgba(7,21,18,.06);
  --sh-md:0 8px 24px rgba(7,21,18,.08);
  --sh-lg:0 20px 48px rgba(7,21,18,.12);
  --nav-w:232px;
}
*,*::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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ===== 布局骨架 ===== */
.shell-main{min-height:100vh;display:flex;flex-direction:column}
@media(min-width:1024px){.shell-main{margin-left:var(--nav-w)}}
.grid-container{max-width:1120px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;width:100%}
@media(max-width:767px){.grid-container{padding-left:16px;padding-right:16px}}
.section{padding:96px 0}
@media(max-width:1023px){.section{padding:76px 0}}
@media(max-width:639px){.section{padding:56px 0}}
.section-tight{padding-top:0}

/* ===== 侧边栏 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);background:#fff;
  border-right:1px solid var(--c-line);display:flex;flex-direction:column;
  padding:22px 16px 18px;z-index:80;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px 20px;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;background:var(--g-brand);color:var(--c-accent);font-size:15px}
.brand-text{font-size:15px;font-weight:700;line-height:1.3}
.nav{display:flex;flex-direction:column;gap:6px;margin-top:4px}
.nav-item{position:relative;display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;font-size:14.5px;font-weight:500;color:var(--c-ink-2)}
.nav-item i{width:18px;text-align:center;font-size:15px;color:var(--c-ink-2);transition:color .2s ease}
.nav-item::before{content:"";position:absolute;left:-16px;top:50%;transform:translateY(-50%);width:3px;height:0;border-radius:0 3px 3px 0;background:var(--c-primary);transition:height .22s ease}
.nav-item:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.nav-item:hover i{color:var(--c-primary)}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700}
.nav-item.is-active i{color:var(--c-primary)}
.nav-item.is-active::before{height:22px}
.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line)}
.sidebar-note{margin-top:12px;font-size:12px;color:var(--c-ink-2);text-align:center;line-height:1.6}
.menu-close{display:none}
@media(max-width:1023px){
  .sidebar{transform:translateX(-100%);transition:transform .28s ease;width:280px;box-shadow:var(--sh-lg)}
  .sidebar.is-open{transform:translateX(0)}
  .menu-close{display:grid;place-items:center;position:absolute;top:16px;right:14px;width:34px;height:34px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2)}
}
.drawer-mask{position:fixed;inset:0;background:rgba(7,21,18,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:75}
.drawer-mask.is-visible{opacity:1;visibility:visible}

/* ===== 移动端顶栏 ===== */
.topbar{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:12px;height:56px;padding:0 16px;background:#fff;border-bottom:1px solid var(--c-line)}
.topbar .menu-toggle{width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);display:grid;place-items:center;font-size:15px}
.topbar .topbar-brand{flex:1;font-size:14px;font-weight:700;color:var(--c-ink);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .topbar-cta{height:34px;padding:0 16px;border-radius:999px;background:var(--c-primary);color:#fff;font-size:13px;font-weight:600;display:inline-flex;align-items:center}
@media(min-width:1024px){.topbar{display:none}}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;border:1.5px solid transparent;transition:all .22s ease;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 24px rgba(0,184,146,.26)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-light{background:var(--c-accent);color:#071512}
.btn-light:hover{filter:brightness(1.06);color:#071512;transform:translateY(-2px);box-shadow:0 12px 28px rgba(216,255,62,.24)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary-deep);background:transparent}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.btn-block{width:100%}
@media(max-width:639px){.btn{height:48px;padding:0 22px;font-size:14.5px}}

/* ===== Hero ===== */
.hero{padding:32px 0 0}
.hero-card{
  position:relative;border-radius:32px;overflow:hidden;padding:56px;color:#fff;
  background:radial-gradient(120% 110% at 8% 0%,rgba(0,184,146,.46) 0%,rgba(0,184,146,0) 58%),linear-gradient(135deg,#046B58 0%,#071512 76%);
  box-shadow:var(--sh-lg);
  display:grid;grid-template-columns:1.18fr 1fr;gap:48px;align-items:center;
}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(216,255,62,.12);border:1px solid rgba(216,255,62,.42);color:var(--c-accent);font-size:12.5px;font-weight:600}
.hero h1{font-size:clamp(30px,3.6vw,50px);line-height:1.22;margin:18px 0 16px;font-weight:700}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.stat-pill{display:inline-flex;align-items:baseline;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16)}
.stat-pill b{font-size:17px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums}
.stat-pill span{font-size:12.5px;color:rgba(255,255,255,.72)}
.hero-media{border-radius:24px;overflow:hidden;position:relative;box-shadow:var(--sh-lg)}
.hero-media img{width:100%;height:100%;min-height:262px;object-fit:cover;border-radius:24px}
.hero-media::after{content:"";position:absolute;inset:0;border-radius:24px;background:linear-gradient(180deg,rgba(7,21,18,0) 40%,rgba(7,21,18,.35) 100%);pointer-events:none}
@media(max-width:1023px){
  .hero-card{grid-template-columns:1fr;gap:30px;padding:34px 26px}
  .hero h1{margin-top:14px}
  .hero-media img{min-height:210px}
}
@media(max-width:639px){
  .hero{padding:16px 0 0}
  .hero-card{padding:26px 18px;border-radius:24px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto}
}

/* ===== 信任条 ===== */
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-item{display:flex;align-items:center;gap:12px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-sm);transition:all .22s ease}
.trust-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.trust-item i{width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:15px}
.trust-item b{display:block;font-size:15px;font-weight:700}
.trust-item span{display:block;font-size:12.5px;color:var(--c-ink-2);line-height:1.5}
@media(max-width:1023px){.trust-bar{grid-template-columns:repeat(2,1fr)}}
@media(max-width:639px){.trust-bar{grid-template-columns:repeat(2,1fr);gap:12px}.trust-item{padding:14px;gap:10px}.trust-item i{width:32px;height:32px;flex-basis:32px;font-size:13px}}

/* ===== 板块标题 ===== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--c-ink-2);max-width:640px}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary-deep);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--c-primary)}
.text-link i{font-size:11px;transition:transform .2s ease}
.text-link:hover i{transform:translateX(3px)}
@media(max-width:639px){.section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:22px}}

/* ===== 入口网格 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.entry-card{position:relative;display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.entry-card.is-wide{grid-column:span 2}
.entry-card .cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--g-brand)}
.entry-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .cover img{transform:scale(1.03)}
.entry-card .chip{position:absolute;top:12px;right:12px;height:26px;padding:0 10px;border-radius:var(--r-chip);background:rgba(255,255,255,.94);color:var(--c-primary-deep);font-size:12px;font-weight:600;display:inline-flex;align-items:center}
.entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:18px;line-height:1.45;font-weight:600;margin-bottom:8px}
.entry-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.badge-pill{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums}
.entry-cta{font-size:13.5px;font-weight:700;color:var(--c-ink-2);display:inline-flex;align-items:center;gap:6px}
.entry-card:hover .entry-cta{color:var(--c-primary)}
.entry-cta i{font-size:11px;transition:transform .2s ease}
.entry-card:hover .entry-cta i{transform:translateX(3px)}
.entry-cta-tile{display:flex;flex-direction:column;justify-content:center;gap:14px;padding:30px;border-radius:var(--r-lg);background:linear-gradient(135deg,#046B58 0%,#071512 100%);color:#fff;border:1px solid rgba(255,255,255,.08)}
.entry-cta-tile h3{font-size:19px;color:#fff}
.entry-cta-tile p{font-size:13.5px;color:rgba(255,255,255,.75);line-height:1.7}
.entry-cta-tile .btn{align-self:flex-start}
@media(max-width:1023px){
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .entry-card.is-wide{grid-column:span 2}
}
@media(max-width:639px){
  .entry-grid{grid-template-columns:1fr}
  .entry-card.is-wide{grid-column:span 1}
  .entry-body{padding:18px 18px 20px}
}

/* ===== 最新信息 ===== */
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.post-card{display:flex;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-sm);transition:all .22s ease}
.post-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(0,184,146,.35)}
.post-thumb{width:96px;height:96px;flex:0 0 96px;border-radius:12px;overflow:hidden;background:var(--g-brand)}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-main{min-width:0;flex:1;display:flex;flex-direction:column}
.post-chip{align-self:flex-start;height:24px;padding:0 9px;border-radius:var(--r-chip);background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:12px;font-weight:600;display:inline-flex;align-items:center;margin-bottom:8px}
.post-main h3{font-size:16px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.post-main p{margin-top:6px;font-size:13.5px;color:var(--c-ink-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:10px;font-size:12.5px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:10px;padding:48px 20px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);text-align:center}
.empty-state i{font-size:32px;color:var(--c-primary)}
.empty-state p{font-size:14px;color:var(--c-ink-2)}
@media(max-width:1023px){.post-list{grid-template-columns:1fr}}

/* ===== 数据条 ===== */
.spec-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-sm)}
.spec-item{text-align:center;padding:6px 10px;border-right:1px solid var(--c-line)}
.spec-item:last-child{border-right:none}
.spec-item b{display:block;font-size:30px;font-weight:700;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.spec-item span{display:block;margin-top:6px;font-size:13px;color:var(--c-ink-2)}
@media(max-width:1023px){.spec-bar{grid-template-columns:repeat(2,1fr);gap:22px 0;padding:22px}.spec-item:nth-child(2n){border-right:none}}

/* ===== 评价轮播 ===== */
.review-wrap{position:relative}
.car-viewport{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;scrollbar-width:none;-ms-overflow-style:none}
.car-viewport::-webkit-scrollbar{display:none}
.review-card{flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:14px}
.review-head{display:flex;align-items:center;gap:12px}
.review-avatar{width:48px;height:48px;flex:0 0 48px;border-radius:50%;display:grid;place-items:center;background:var(--g-brand);color:var(--c-accent);font-size:17px;font-weight:700}
.review-name{font-size:15px;font-weight:700;line-height:1.4}
.review-src{font-size:12px;color:var(--c-ink-2)}
.review-stars{color:#FFB020;font-size:12.5px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--c-ink-2);line-height:1.78}
.car-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:6px}
.car-dots{display:flex;align-items:center;gap:8px}
.car-dot{width:8px;height:8px;border-radius:999px;border:none;background:var(--c-line);padding:0;transition:all .25s ease}
.car-dot.is-active{width:20px;background:var(--c-primary)}
.car-arrows{display:flex;gap:10px}
.car-btn{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--c-line);background:#fff;color:var(--c-ink-2);display:grid;place-items:center;transition:all .2s ease}
.car-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
@media(max-width:1023px){.review-card{flex:0 0 calc((100% - 24px)/2)}}
@media(max-width:639px){.review-card{flex:0 0 88%}}

/* ===== CTA 大区 ===== */
.cta-card{position:relative;border-radius:var(--r-xl);padding:56px;color:#fff;overflow:hidden;background:radial-gradient(110% 120% at 90% 0%,rgba(0,184,146,.42) 0%,rgba(0,184,146,0) 60%),linear-gradient(135deg,#071512 0%,#046B58 100%);display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;box-shadow:var(--sh-lg)}
.cta-card h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.cta-card .cta-sub{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);max-width:440px}
.service-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:30px;backdrop-filter:blur(2px)}
.service-card .big-num{font-size:40px;font-weight:700;color:var(--c-accent);line-height:1.1;font-variant-numeric:tabular-nums}
.service-card .big-num small{font-size:14px;font-weight:500;color:rgba(255,255,255,.72);margin-left:8px}
.service-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:10px}
.service-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.86)}
.service-list i{color:var(--c-accent);font-size:13px}
.cta-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.6);text-align:center}
@media(max-width:1023px){.cta-card{grid-template-columns:1fr;gap:28px;padding:34px 24px;border-radius:26px}}
@media(max-width:639px){.service-card .btn{width:100%}}

/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:background-color .2s ease,border-color .2s ease}
.faq-item[open]{background:var(--c-primary-soft);border-color:rgba(0,184,146,.3)}
.faq-item summary{display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 22px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;margin-left:auto;font-size:12px;color:var(--c-primary);transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-idx{width:24px;height:24px;flex:0 0 24px;border-radius:8px;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:12px;font-weight:700}
.faq-item[open] .faq-idx{background:#fff}
.faq-body{padding:0 22px 20px 60px;font-size:14.5px;color:var(--c-ink-2);line-height:1.85}
@media(max-width:639px){.faq-body{padding:0 18px 18px 18px}}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;background:var(--g-brand);color:var(--c-accent);font-size:14px}
.footer-brand strong{font-size:15px;color:#fff;font-weight:700}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:280px}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col li{font-size:13.5px;color:rgba(255,255,255,.68)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.5)}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:639px){.site-footer{padding:48px 0 24px;margin-top:56px}.footer-grid{grid-template-columns:1fr;gap:28px}}

/* ===== 返回顶部 ===== */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;border:none;background:var(--c-primary);color:#fff;font-size:16px;display:grid;place-items:center;box-shadow:var(--sh-lg);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;z-index:65}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-deep)}
@media(max-width:639px){.to-top{right:16px;bottom:16px;width:44px;height:44px}}

/* roulang page: article */
:root{
  --c-primary:#00B892;
  --c-primary-deep:#046B58;
  --c-primary-soft:#E3F7F1;
  --c-accent:#D8FF3E;
  --c-accent-2:#FF6B3D;
  --c-ink:#0E1A17;
  --c-ink-2:#55655F;
  --c-line:#E1EAE5;
  --c-bg:#F4F7F5;
  --c-surface:#FFFFFF;
  --c-dark:#071512;
  --g-brand:linear-gradient(135deg,#00B892 0%,#046B58 55%,#071512 100%);
  --g-accent:linear-gradient(90deg,#D8FF3E 0%,#00B892 100%);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-2xl:32px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(7,21,18,.06);
  --sh-md:0 8px 24px rgba(7,21,18,.08);
  --sh-lg:0 20px 48px rgba(7,21,18,.12);
  --nav-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--c-surface);border-right:1px solid var(--c-line);
  padding:22px 14px 18px;display:flex;flex-direction:column;gap:6px;
  z-index:60;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;border-bottom:1px solid var(--c-line);margin-bottom:10px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--g-brand);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:var(--sh-sm);
}
.brand-mark.sm{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:14px}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand-text strong{font-size:15px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.brand-text em{font-style:normal;font-size:11px;color:var(--c-ink-2);letter-spacing:.4px}
.nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--r-md);
  color:var(--c-ink-2);font-size:14.5px;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;color:#8FA39C;transition:color .2s ease}
.nav-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.nav-item:hover i{color:var(--c-primary-deep)}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600}
.nav-item.is-active i{color:var(--c-primary)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);
}
.side-sep{height:1px;background:var(--c-line);margin:16px 8px}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:16px}
.side-note{font-size:12px;color:var(--c-ink-2);text-align:center;line-height:1.6}
.drawer-close{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-deep)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:var(--c-dark);border-color:var(--c-accent)}
.btn-accent:hover{background:#e6ff77;color:var(--c-dark);transform:translateY(-2px);box-shadow:0 10px 26px rgba(216,255,62,.28)}
.btn-block{width:100%}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-xs{height:34px;padding:0 14px;font-size:13px}

/* ---------- 布局 ---------- */
.main-area{margin-left:var(--nav-w);min-height:100vh}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;
  height:56px;align-items:center;gap:12px;
  padding:0 14px;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);
}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.mobile-bar .brand-mini{display:flex;align-items:center;gap:8px;flex:1;min-width:0;color:var(--c-ink)}
.mobile-bar .brand-mini strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(7,21,18,.5);z-index:55;
  opacity:0;transition:opacity .25s ease;
}
.drawer-mask.is-open{display:block;opacity:1}

/* ---------- 面包屑 ---------- */
.crumbs{padding:30px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:#B8C7C1}
.crumbs a{color:var(--c-primary-deep)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .now{color:var(--c-ink-2);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{padding:22px 0 8px;max-width:860px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--r-sm);
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:12.5px;font-weight:600;
}
.chip.chip-line{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-weight:500}
.article-head h1{
  margin-top:14px;font-size:clamp(28px,3.6vw,42px);line-height:1.25;font-weight:700;letter-spacing:-.4px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10pxcalc;
  gap:10px;margin-top:16px;font-size:13px;color:var(--c-ink-2);
}
.article-meta .dot{color:#C3D2CC}
.article-meta i{color:var(--c-primary);font-size:12px}
.lead{
  margin-top:20px;padding:18px 20px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-primary);
  color:var(--c-ink-2);font-size:15px;line-height:1.85;
}

/* ---------- 文章主体布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:start;
  padding:28px 0 0;
}
.article-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:34px 38px 38px;box-shadow:var(--sh-sm);min-width:0;
}
.article-body{font-size:16.5px;line-height:1.9;color:#1C2B26;max-width:800px}
.article-body>*+*{margin-top:1em}
.article-body h2{
  position:relative;margin-top:2em;font-size:clamp(22px,2.4vw,27px);line-height:1.4;font-weight:700;
  padding-left:14px;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{margin-top:1.6em;font-size:20px;line-height:1.5;font-weight:600;color:var(--c-ink)}
.article-body h4{margin-top:1.4em;font-size:17px;font-weight:600;color:var(--c-primary-deep)}
.article-body p{margin-top:1em;color:#243530}
.article-body a{color:var(--c-primary-deep);border-bottom:1px solid rgba(4,107,88,.28)}
.article-body a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}
.article-body strong{color:var(--c-ink);font-weight:600}
.article-body ul,.article-body ol{margin-top:1em;padding-left:2px}
.article-body li{position:relative;padding-left:22px;margin-bottom:8px;color:#243530}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{counter-reset:art}
.article-body ol>li{counter-increment:art}
.article-body ol>li::before{
  content:counter(art);position:absolute;left:0;top:3px;
  width:18px;height:18px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary-deep);font-size:11px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-radius:var(--r-md);
  background:var(--c-primary-soft);border-left:4px solid var(--c-primary);
  color:var(--c-primary-deep);font-size:15.5px;
}
.article-body img{border-radius:var(--r-md);margin:1.4em auto;box-shadow:var(--sh-sm)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--c-ink-2);text-align:center}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:14.5px;
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left}
.article-body th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;font-size:14px}
.article-body tr:last-child td{border-bottom:0}
.article-body tr:nth-child(even) td{background:#FAFCFB}
.article-body code{
  background:#F1F6F4;border:1px solid var(--c-line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--c-primary-deep);
}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:18px;position:sticky;top:24px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-sm);
}
.side-card h3{
  font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.4px;
  display:flex;align-items:center;gap:8px;margin-bottom:12px;
}
.side-card h3 i{color:var(--c-primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:var(--r-sm);font-size:13.5px;color:var(--c-ink-2);
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-left-color:var(--c-primary)}
.rec-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--c-line)}
.rec-item:last-child{border-bottom:0;padding-bottom:0}
.rec-item img{width:64px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 64px}
.rec-item strong{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--c-ink)}
.rec-item span{display:block;font-size:12px;color:var(--c-ink-2);margin-top:4px}
.rec-item:hover strong{color:var(--c-primary-deep)}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:60px 24px;border:1px dashed var(--c-line);
  border-radius:var(--r-xl);background:#fff;
}
.empty-state i{font-size:44px;color:#B8C7C1}
.empty-state p{margin:16px 0 22px;font-size:15px;color:var(--c-ink-2)}

/* ---------- 文末模块 ---------- */
.article-foot{margin-top:30px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:6px 12px;border-radius:var(--r-sm);background:#F1F6F4;color:var(--c-ink-2);
  font-size:12.5px;transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.pager a{
  display:block;padding:16px 18px;border:1px solid var(--c-line);border-radius:var(--r-lg);
  background:#fff;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager a:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-primary)}
.pager em{display:block;font-style:normal;font-size:12px;color:var(--c-ink-2);margin-bottom:6px}
.pager strong{display:block;font-size:15px;font-weight:600;color:var(--c-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.back-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--c-ink-2)}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary-deep);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px;color:var(--c-primary)}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-md);
  transition:transform .24s ease,box-shadow .24s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--g-brand)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink)}
.card-body p{
  font-size:14px;line-height:1.75;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:12.5px;font-weight:600;
}
.badge .num{font-weight:700}
.go{font-size:13.5px;font-weight:600;color:var(--c-primary-deep);display:inline-flex;align-items:center;gap:6px}
.go::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:10px}
.card:hover .go{color:var(--c-primary)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
  padding:0 20px;min-height:56px;font-size:15.5px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .idx{font-size:12px;font-weight:700;color:var(--c-primary);flex:0 0 auto}
.faq-item summary .arrow{margin-left:auto;color:var(--c-ink-2);font-size:13px;transition:transform .25s ease}
.faq-item[open]{background:var(--c-primary-soft);border-color:rgba(0,184,146,.35)}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--c-primary-deep)}
.faq-item .ans{padding:0 20px 20px 44px;font-size:14.5px;line-height:1.85;color:#2C3D37}

/* ---------- CTA ---------- */
.cta-band{margin-top:80px;border-radius:var(--r-2xl);background:var(--c-dark);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:var(--g-brand);opacity:.86}
.cta-inner{
  position:relative;z-index:1;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:#fff;font-weight:700;max-width:560px}
.cta-inner p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.78);max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:240px}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.7);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--c-dark);color:rgba(255,255,255,.72);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;background:var(--g-accent);color:var(--c-dark);font-size:15px}
.footer-brand strong{color:#fff;font-size:15.5px;font-weight:700}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:9px;font-size:13.5px}
.footer-col a{color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col li{color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.52);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--c-primary);color:#fff;font-size:16px;cursor:pointer;
  box-shadow:var(--sh-md);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;z-index:65;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-deep)}

/* ---------- 响应式 ---------- */
@media (max-width:1279.98px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static;order:2}
  .toc-list{max-height:none}
}
@media (max-width:1023.98px){
  .side-nav{transform:translateX(-100%);transition:transform .28s ease;box-shadow:var(--sh-lg);width:280px}
  .side-nav.is-open{transform:translateX(0)}
  .drawer-close{
    display:flex;position:absolute;top:14px;right:14px;width:34px;height:34px;
    align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--c-line);
    background:#fff;color:var(--c-ink);cursor:pointer;
  }
  .main-area{margin-left:0}
  .mobile-bar{display:flex}
  .container{padding:0 16px}
  .article-panel{padding:26px 22px 30px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-inner{padding:40px 28px}
  .cta-actions{width:100%;min-width:0}
}
@media (max-width:639.98px){
  .crumbs{padding-top:20px}
  .article-head h1{font-size:27px}
  .article-layout{gap:26px;padding-top:20px}
  .article-panel{padding:22px 16px 26px;border-radius:var(--r-lg)}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .pager{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{border-radius:var(--r-xl)}
  .cta-inner{padding:32px 20px}
  .section{padding-top:52px}
  .faq-item .ans{padding-left:20px}
  .to-top{right:16px;bottom:18px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --c-primary:#00B892;
  --c-primary-deep:#046B58;
  --c-primary-soft:#E3F7F1;
  --c-accent:#D8FF3E;
  --c-accent-2:#FF6B3D;
  --c-ink:#0E1A17;
  --c-ink-2:#55655F;
  --c-line:#E1EAE5;
  --c-bg:#F4F7F5;
  --c-surface:#FFFFFF;
  --c-dark:#071512;
  --g-brand:linear-gradient(135deg,#00B892 0%,#046B58 55%,#071512 100%);
  --g-accent:linear-gradient(90deg,#D8FF3E 0%,#00B892 100%);
  --r-chip:8px;
  --r-input:12px;
  --r-card:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-sm:0 1px 2px rgba(7,21,18,.06);
  --sh-md:0 8px 24px rgba(7,21,18,.08);
  --sh-lg:0 20px 48px rgba(7,21,18,.12);
  --sidebar-w:232px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{line-height:1.25;font-weight:700;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* ---------- 基础容器 ---------- */
.grid-container{max-width:1120px;margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x>.cell{flex:0 0 auto;min-width:0;}
.grid-x.gap{margin-left:-12px;margin-right:-12px;}
.grid-x.gap>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 布局骨架 ---------- */
.app-shell{min-height:100vh;}
.content{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.main{flex:1 0 auto;padding-bottom:8px;}
.main>.grid-container{padding-top:24px;}

/* ---------- 侧边栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:20px 16px 18px;
  z-index:90;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;border-bottom:1px solid var(--c-line);margin-bottom:16px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--g-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:var(--sh-sm);
}
.brand-text strong{display:block;font-size:14px;font-weight:700;letter-spacing:.2px;line-height:1.35;}
.brand-text span{display:block;font-size:12px;color:var(--c-ink-2);line-height:1.5;}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 12px 11px 14px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--c-ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{width:20px;text-align:center;font-size:14px;color:currentColor;}
.nav-item span{flex:1 1 auto;}
.nav-item:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background:var(--c-primary);
}
.side-sep{height:1px;background:var(--c-line);margin:18px 4px;}
.side-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:999px;
  background:var(--c-primary);color:#fff;font-weight:600;font-size:14.5px;
  box-shadow:var(--sh-sm);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.side-btn:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-md);}
.side-foot{font-size:12px;color:var(--c-ink-2);line-height:1.7;padding:4px 4px 0;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;
  position:sticky;top:0;z-index:80;
  height:56px;
  align-items:center;gap:12px;
  padding:0 14px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(8px);
}
.hamburger{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary-deep);background:var(--c-primary-soft);font-size:16px;
}
.topbar-brand{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;}
.topbar-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:14px;}
.topbar-brand strong{font-size:13.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-cta{
  height:36px;padding:0 16px;border-radius:999px;
  background:var(--c-primary);color:#fff;font-size:13px;font-weight:600;
  display:flex;align-items:center;white-space:nowrap;
}
.scrim{
  position:fixed;inset:0;background:rgba(7,21,18,.5);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:85;
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13.5px;color:var(--c-ink-2);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:6px 0 0;}
.breadcrumb a{color:var(--c-primary-deep);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#B9C7C1;}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;
  font-size:15.5px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{border:1.5px solid var(--c-primary);color:var(--c-primary-deep);background:transparent;}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-2px);}
.btn-accent{background:var(--c-accent);color:var(--c-dark);box-shadow:0 8px 24px rgba(216,255,62,.25);}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 32px rgba(216,255,62,.3);}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--r-chip);
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
}
.chip-light{background:rgba(216,255,62,.16);color:var(--c-accent);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;border-radius:999px;
  font-size:13px;font-variant-numeric:tabular-nums;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
}
.badge strong{font-weight:700;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--c-dark);color:#fff;
  padding:48px;
  display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;
  margin-top:20px;
  box-shadow:var(--sh-lg);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 18%,rgba(0,184,146,.46),transparent 52%),
    radial-gradient(circle at 88% 84%,rgba(4,107,88,.55),transparent 58%);
}
.hero>*{position:relative;z-index:1;}
.hero h1{font-size:44px;line-height:1.2;margin:18px 0 16px;letter-spacing:.2px;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.14);}
.hero-figure img{width:100%;height:100%;min-height:280px;object-fit:cover;}

/* ---------- 板块 ---------- */
.section{padding:96px 0 0;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:34px;letter-spacing:.2px;}
.section-head h2::before{
  content:"";display:block;width:44px;height:4px;border-radius:4px;
  background:var(--c-primary);margin-bottom:16px;
}
.section-head.center h2::before{margin-left:auto;margin-right:auto;}
.section-sub{margin-top:14px;font-size:16px;color:var(--c-ink-2);}

/* ---------- 双栏详解 ---------- */
.detail-row+.detail-row{margin-top:64px;}
.detail-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);border:1px solid var(--c-line);}
.detail-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.detail-text h3{font-size:24px;margin:14px 0 12px;}
.detail-text p{color:var(--c-ink-2);}
.tick-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.tick-list li{
  position:relative;padding-left:28px;font-size:15px;color:var(--c-ink);
  line-height:1.7;
}
.tick-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:4px;
  width:18px;height:18px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:10px;display:flex;align-items:center;justify-content:center;
}

/* ---------- 流程条 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px 16px 20px;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#CDE7DF;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;margin:14px 0 8px;}
.step p{font-size:13.5px;line-height:1.7;color:var(--c-ink-2);}

/* ---------- 要点卡 ---------- */
.feature-card{
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.feature-icon{
  width:44px;height:44px;border-radius:14px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.feature-card h3{font-size:19px;margin:16px 0 10px;}
.feature-card p{font-size:15px;color:var(--c-ink-2);}
.cell-stack{margin-bottom:24px;display:flex;}

/* ---------- FAQ ---------- */
.faq{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:background .25s ease,border-color .25s ease;
}
.faq-item[open]{background:var(--c-primary-soft);border-color:#CDE7DF;}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  min-height:56px;padding:16px 20px;
  font-size:16px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"\f059";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--c-primary);font-size:13px;flex:0 0 auto;
}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;font-size:12px;color:var(--c-ink-2);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-body{padding:0 20px 20px 48px;font-size:15px;color:var(--c-ink-2);}

/* ---------- 底部 CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  margin-top:96px;
  border-radius:var(--r-xl);
  background:var(--c-dark);color:#fff;
  padding:56px;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
  box-shadow:var(--sh-lg);
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 22%,rgba(0,184,146,.42),transparent 55%),radial-gradient(circle at 8% 88%,rgba(4,107,88,.5),transparent 58%);
}
.cta-block>*{position:relative;z-index:1;}
.cta-copy{max-width:560px;}
.cta-copy h2{font-size:30px;margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.8);font-size:16px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-note{font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--c-dark);color:rgba(255,255,255,.78);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:15px;}
.footer-brand strong{color:#fff;font-size:15px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a{color:rgba(255,255,255,.7);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .hero h1{font-size:38px;}
  .section{padding-top:84px;}
}
@media screen and (max-width:1199px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:repeat(3,1fr);}
}
@media screen and (max-width:1023px){
  :root{--sidebar-w:0px;}
  body{background:var(--c-bg);}
  .topbar{display:flex;}
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    transition:transform .28s ease;
    box-shadow:var(--sh-lg);
    z-index:95;
  }
  .sidebar.is-open{transform:translateX(0);}
  .content{margin-left:0;}
  .main>.grid-container{padding-top:20px;}
  .hero{grid-template-columns:1fr;gap:28px;padding:36px;margin-top:16px;}
  .hero h1{font-size:32px;}
  .hero-figure img{min-height:220px;}
  .section{padding-top:72px;}
  .section-head h2{font-size:28px;}
  .cta-block{margin-top:72px;padding:40px;}
  .site-footer{margin-top:72px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .hero{padding:28px 22px;border-radius:24px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .btn{height:46px;padding:0 22px;font-size:15px;width:100%;}
  .hero-actions .btn{width:100%;}
  .section{padding-top:60px;}
  .section-head h2{font-size:24px;}
  .section-sub{font-size:15px;}
  .steps{grid-template-columns:1fr;gap:12px;}
  .detail-row+.detail-row{margin-top:44px;}
  .detail-text h3{font-size:20px;}
  .faq-body{padding-left:20px;}
  .cta-block{margin-top:60px;padding:30px 22px;border-radius:24px;gap:22px;}
  .cta-copy h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:60px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .topbar-cta{padding:0 14px;}
}
@media screen and (max-width:519px){
  .hero h1{font-size:24px;}
  .topbar-brand strong{max-width:150px;}
  .feature-card{padding:22px 18px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#00B892;
  --c-primary-deep:#046B58;
  --c-primary-soft:#E3F7F1;
  --c-accent:#D8FF3E;
  --c-accent-2:#FF6B3D;
  --c-ink:#0E1A17;
  --c-ink-2:#55655F;
  --c-line:#E1EAE5;
  --c-bg:#F4F7F5;
  --c-surface:#FFFFFF;
  --c-dark:#071512;
  --c-dark-soft:#0D211C;
  --g-brand:linear-gradient(135deg,#00B892 0%,#046B58 55%,#071512 100%);
  --g-accent:linear-gradient(90deg,#D8FF3E 0%,#00B892 100%);
  --r-chip:8px;
  --r-input:12px;
  --r-card:16px;
  --r-card-lg:24px;
  --r-band:32px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(7,21,18,.06);
  --sh-md:0 8px 24px rgba(7,21,18,.08);
  --sh-lg:0 20px 48px rgba(7,21,18,.12);
  --sidebar-w:232px;
  --topbar-h:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--c-ink);letter-spacing:0;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

/* ---------- 布局骨架 ---------- */
.grid-container{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%;}
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  padding:22px 16px 18px;
  display:flex;flex-direction:column;
  z-index:60;
  transition:transform .28s ease;
}
.app-main{margin-left:var(--sidebar-w);min-height:100vh;padding-bottom:0;}
.app-main .grid-container{max-width:1120px;}

/* ---------- 侧栏品牌 ---------- */
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;border-bottom:1px solid var(--c-line);margin-bottom:16px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--g-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:var(--sh-sm);
}
.brand-mark.small{width:30px;height:30px;flex:0 0 30px;border-radius:10px;font-size:13px;}
.brand-text{font-size:15px;font-weight:700;line-height:1.35;color:var(--c-ink);}

/* ---------- 导航 ---------- */
.nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:12px;
  font-size:15px;color:var(--c-ink-2);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{width:20px;text-align:center;font-size:15px;color:var(--c-ink-2);transition:color .2s ease;}
.nav-item:hover,.nav-item:focus-visible{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.nav-item:hover i,.nav-item:focus-visible i{color:var(--c-primary-deep);}
.nav-item.is-active{
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;
}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);
}
.nav-item.is-active i{color:var(--c-primary);}

.sidebar-footer{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);}
.sidebar-note{margin:12px 0 0;font-size:12px;line-height:1.6;color:var(--c-ink-2);text-align:center;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;
  padding:0 14px;z-index:70;
}
.menu-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,border-color .2s ease;
}
.menu-btn:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft);}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(7,21,18,.5);z-index:55;
  opacity:0;transition:opacity .25s ease;
}
.drawer-mask.is-open{display:block;opacity:1;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1.5px solid transparent;
  transition:background-color .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary-deep);}
.btn-outline:hover,.btn-outline:focus-visible{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-accent{background:var(--c-accent);color:var(--c-dark);box-shadow:var(--sh-sm);}
.btn-accent:hover,.btn-accent:focus-visible{background:#E6FF8A;color:var(--c-dark);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-block{width:100%;}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;}

/* ---------- 通用标签 / 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-chip);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1;
}
.badge-light{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.badge-dark{background:rgba(255,255,255,.12);color:var(--c-accent);border:1px solid rgba(255,255,255,.16);}
.badge b{font-variant-numeric:tabular-nums;font-weight:800;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-title{font-size:32px;line-height:1.25;font-weight:700;}
.section-title::before{
  content:"";display:inline-block;width:4px;height:22px;border-radius:3px;
  background:var(--c-primary);margin-right:12px;vertical-align:-2px;
}
.section-sub{margin-top:12px;font-size:16px;color:var(--c-ink-2);}
.eyebrow{display:inline-block;margin-bottom:12px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--c-primary-deep);}

/* ---------- Hero ---------- */
.cat-hero{
  margin-top:32px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card-lg);
  box-shadow:var(--sh-md);
  padding:36px;
  display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;
}
.hero-media{position:relative;border-radius:var(--r-card-lg);overflow:hidden;box-shadow:var(--sh-md);}
.hero-media img{width:100%;height:360px;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,21,18,0) 45%,rgba(7,21,18,.32) 100%);
}
.hero-copy h1{font-size:42px;line-height:1.2;margin:16px 0 16px;}
.hero-copy p{font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:520px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ---------- 服务能力四格 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cap-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.cap-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#D3E7DF;}
.cap-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);
  color:var(--c-primary-deep);display:flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:14px;
}
.cap-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.cap-item p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);}

/* ---------- 图文交错 ---------- */
.zigzag{display:flex;flex-direction:column;gap:80px;}
.zz-row{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;}
.zz-row.reverse .zz-media{order:2;}
.zz-row.reverse .zz-copy{order:1;}
.zz-media{border-radius:var(--r-card-lg);overflow:hidden;box-shadow:var(--sh-md);position:relative;}
.zz-media img{width:100%;height:320px;object-fit:cover;transition:transform .4s ease;}
.zz-row:hover .zz-media img{transform:scale(1.03);}
.zz-copy h3{font-size:23px;font-weight:700;margin-bottom:14px;}
.zz-copy h3::before{
  content:"";display:inline-block;width:4px;height:18px;border-radius:3px;
  background:var(--c-primary);margin-right:10px;vertical-align:-1px;
}
.zz-copy p{font-size:15.5px;color:var(--c-ink-2);}
.zz-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.zz-list li{position:relative;padding-left:26px;font-size:15px;color:var(--c-ink);}
.zz-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:3px;font-size:12px;color:var(--c-primary);
}

/* ---------- 参数表 ---------- */
.table-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card-lg);
  box-shadow:var(--sh-sm);overflow:hidden;
}
.spec-table{width:100%;border-collapse:collapse;background:var(--c-surface);}
.spec-table thead th{
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:14px;font-weight:700;text-align:left;
  padding:0 20px;height:52px;border:0;letter-spacing:.02em;
}
.spec-table tbody td{
  padding:0 20px;height:48px;font-size:14.5px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);vertical-align:middle;
}
.spec-table tbody tr:nth-child(even){background:#FAFCFB;}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody td:nth-child(3){color:var(--c-primary-deep);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------- 提示条 ---------- */
.tip-bar{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:20px 24px;margin-top:32px;
}
.tip-bar i{font-size:20px;color:var(--c-primary-deep);margin-top:2px;}
.tip-bar p{margin:0;font-size:15px;line-height:1.8;color:var(--c-primary-deep);}

/* ---------- FAQ ---------- */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{background:var(--c-primary-soft);border-color:#CDE9DF;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
  min-height:56px;padding:14px 20px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-index{
  font-size:12px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.faq-item summary span.q-text{flex:1 1 auto;}
.faq-arrow{flex:0 0 auto;color:var(--c-ink-2);font-size:13px;transition:transform .25s ease;}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--c-primary-deep);}
.faq-body{padding:0 20px 20px 44px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card-lg);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:box-shadow .25s ease,transform .25s ease;
}
.rec-card:hover{box-shadow:var(--sh-lg);transform:translateY(-2px);}
.rec-card .rec-cover{position:relative;overflow:hidden;}
.rec-card .rec-cover img{width:100%;height:180px;object-fit:cover;transition:transform .4s ease;}
.rec-card:hover .rec-cover img{transform:scale(1.03);}
.rec-card .rec-cover .chip{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--c-primary-deep);}
.rec-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.rec-body h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.rec-body p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);flex:1 1 auto;}
.rec-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--c-primary-deep);}
.rec-card:hover .rec-link{color:var(--c-primary);}
.rec-link i{font-size:12px;transition:transform .25s ease;}
.rec-card:hover .rec-link i{transform:translateX(3px);}

/* ---------- CTA 区 ---------- */
.cta-band{
  margin-top:96px;
  background:var(--c-dark);
  background-image:var(--g-brand);
  border-radius:var(--r-band);
  padding:56px;
  display:grid;grid-template-columns:6fr 5fr;gap:40px;align-items:center;
  color:#fff;box-shadow:var(--sh-lg);
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.3;}
.cta-band .cta-desc{margin-top:12px;font-size:16px;color:rgba(255,255,255,.82);}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.cta-panel{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card-lg);
  padding:26px;
}
.cta-panel .panel-label{font-size:13px;color:rgba(255,255,255,.72);}
.cta-panel .panel-num{
  font-size:40px;font-weight:800;line-height:1.1;color:var(--c-accent);
  font-variant-numeric:tabular-nums;margin:6px 0 16px;
}
.cta-panel ul{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.cta-panel li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.9);}
.cta-panel li i{color:var(--c-accent);font-size:12px;}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.68);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--c-dark);color:rgba(255,255,255,.78);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a{color:rgba(255,255,255,.7);}
.footer-col a:hover,.footer-col a:focus-visible{color:var(--c-accent);}
.footer-bottom{
  margin-top:40px;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:13px;color:rgba(255,255,255,.56);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--c-primary);color:#fff;font-size:16px;cursor:pointer;
  box-shadow:var(--sh-md);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
  z-index:65;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-deep);}

/* ---------- 断点 ---------- */
@media (max-width:1439px){
  .hero-copy h1{font-size:38px;}
}
@media (max-width:1023px){
  .app-sidebar{transform:translateX(-100%);width:280px;box-shadow:var(--sh-lg);}
  .app-sidebar.is-open{transform:translateX(0);}
  .app-main{margin-left:0;padding-top:var(--topbar-h);}
  .topbar{display:flex;}
  .cat-hero{grid-template-columns:1fr;gap:28px;padding:24px;margin-top:24px;}
  .hero-media img{height:280px;}
  .hero-copy h1{font-size:32px;}
  .section{padding-top:72px;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
  .zz-row{grid-template-columns:1fr;gap:24px;}
  .zz-row.reverse .zz-media{order:1;}
  .zz-row.reverse .zz-copy{order:2;}
  .zz-media img{height:260px;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .cta-band h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding-top:56px;}
  .section-title{font-size:25px;}
  .section-title::before{height:18px;}
  .hero-media img{height:220px;}
  .hero-copy h1{font-size:30px;}
  .hero-copy p{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .cap-grid{grid-template-columns:1fr;gap:16px;}
  .zigzag{gap:56px;}
  .rec-grid{grid-template-columns:1fr;gap:16px;}
  .cta-band{padding:26px;margin-top:64px;border-radius:24px;}
  .cta-band .btn{width:100%;}
  .spec-table thead th,.spec-table tbody td{padding:0 12px;font-size:13.5px;}
  .spec-table tbody td{height:auto;padding-top:10px;padding-bottom:10px;}
  .tip-bar{padding:16px 18px;}
  .faq-body{padding-left:20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#00B892;
  --c-primary-deep:#046B58;
  --c-primary-soft:#E3F7F1;
  --c-accent:#D8FF3E;
  --c-accent-2:#FF6B3D;
  --c-ink:#0E1A17;
  --c-ink-2:#55655F;
  --c-line:#E1EAE5;
  --c-bg:#F4F7F5;
  --c-surface:#FFFFFF;
  --c-dark:#071512;
  --g-brand:linear-gradient(135deg,#00B892 0%,#046B58 55%,#071512 100%);
  --g-accent:linear-gradient(90deg,#D8FF3E 0%,#00B892 100%);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-2xl:32px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(7,21,18,.06);
  --sh-md:0 8px 24px rgba(7,21,18,.08);
  --sh-lg:0 20px 48px rgba(7,21,18,.12);
  --sidebar-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ---------- 布局骨架 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-surface);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;padding:22px 14px 18px;z-index:80;
}
.main-area{
  margin-left:var(--sidebar-w);min-height:100vh;
  display:flex;flex-direction:column;
}
.grid-container{max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.section{padding:96px 0}
.section--tight{padding:72px 0}

/* ---------- 侧栏 ---------- */
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;background:var(--g-brand);
  display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:var(--sh-sm);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.25;letter-spacing:.2px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--c-ink-2);letter-spacing:.6px;margin-top:2px}
.side-divider{height:1px;background:var(--c-line);margin:18px 8px}
.nav{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--r-md);
  color:var(--c-ink-2);font-size:15px;font-weight:500;line-height:1.4;
}
.nav-item i{width:20px;text-align:center;font-size:16px;flex:0 0 auto}
.nav-item:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.nav-item.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600}
.nav-item.is-active i{color:var(--c-primary)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--c-primary);
}
.sidebar-foot{margin-top:auto;padding:0 8px}
.sidebar-foot .btn{width:100%;justify-content:center}
.sidebar-copy{font-size:12px;line-height:1.6;color:var(--c-ink-2);margin:14px 0 0;text-align:center}
.drawer-close{
  display:none;position:absolute;right:12px;top:16px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--r-pill);border:0;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary-deep);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:#0E1A17}
.btn-accent:hover{background:#e6ff6a;color:#0E1A17;transform:translateY(-2px);box-shadow:0 10px 26px rgba(216,255,62,.28)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:var(--r-sm);background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12.5px;font-weight:600;line-height:1;
}
.chip--orange{background:#FFEDE5;color:#C2410C}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;line-height:1;border:1px solid rgba(0,184,146,.22);
}
.badge b{font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}
.badge--dark{
  background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.18);color:var(--c-accent);
}

/* ---------- 顶部移动栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
  background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;padding:0 12px;
  backdrop-filter:blur(8px);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);display:grid;place-items:center;cursor:pointer;
}
.mobile-brand{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--c-ink)}
.mobile-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:13px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(7,21,18,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:75;
}
.drawer-mask.is-show{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.crumb{padding:28px 0 0;font-size:13.5px;color:var(--c-ink-2)}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0;padding:0}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B9C7C1}
.crumb a{color:var(--c-primary-deep)}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current]{color:var(--c-ink-2)}

/* ---------- Hero ---------- */
.hero-sec{padding:36px 0 72px}
.hero-panel{
  position:relative;overflow:hidden;text-align:center;
  background:var(--c-primary-soft);
  border:1px solid rgba(0,184,146,.16);
  border-radius:var(--r-2xl);
  padding:64px 40px;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(4,107,88,.09) 1px,transparent 1px);
  background-size:20px 20px;opacity:.9;pointer-events:none;
}
.hero-inner{position:relative;max-width:720px;margin:0 auto}
.hero-panel h1{font-size:clamp(30px,3.4vw,48px);line-height:1.2;margin:18px 0 16px}
.hero-sub{font-size:18px;line-height:1.75;color:var(--c-ink-2);margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:780px;margin-bottom:36px}
.sec-head h2{font-size:clamp(26px,2.6vw,34px);line-height:1.28}
.sec-head p{margin:12px 0 0;color:var(--c-ink-2);font-size:16.5px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--c-primary);text-transform:uppercase;display:block;margin-bottom:10px}

/* ---------- 大卡网格 ---------- */
.scard{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  box-shadow:var(--sh-md);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.scard:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.scard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DCE9E4}
.scard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.scard:hover .scard-media img{transform:scale(1.03)}
.scard-media .chip{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--c-primary-deep)}
.scard-body{padding:24px;display:flex;flex-direction:column;gap:16px;flex:1}
.scard-body h3{font-size:22px;line-height:1.4;font-weight:600}
.point-list{list-style:none;display:flex;flex-direction:column;gap:9px;flex:1}
.point-list li{position:relative;padding-left:18px;color:var(--c-ink-2);font-size:15px;line-height:1.7}
.point-list li::before{
  content:"";position:absolute;left:2px;top:.68em;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);
}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-primary-deep)}
.text-link i{transition:transform .22s ease}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 对比表 ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-xl)}
.cmp-table{
  width:100%;min-width:720px;border-collapse:separate;border-spacing:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  overflow:hidden;font-size:15px;
}
.cmp-table th{
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700;
  text-align:left;padding:16px 20px;font-size:14px;white-space:nowrap;
}
.cmp-table td{padding:16px 20px;border-top:1px solid var(--c-line);color:var(--c-ink-2);line-height:1.7}
.cmp-table tbody tr:nth-child(even) td{background:#FAFCFB}
.cmp-table td strong{color:var(--c-ink);font-weight:600;font-variant-numeric:tabular-nums}
.cmp-note{margin-top:14px;font-size:13.5px;color:var(--c-ink-2)}

/* ---------- 图文场景 ---------- */
.figure-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--sh-md);background:#DCE9E4;
}
.check-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin:22px 0 0}
.check-list li{position:relative;padding-left:34px;color:var(--c-ink-2);font-size:16px;line-height:1.75}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;
  position:absolute;left:0;top:.28em;width:22px;height:22px;border-radius:7px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:grid;place-items:center;
}
.check-list li strong{color:var(--c-ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .22s ease}
.faq-item:hover{box-shadow:var(--sh-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;min-height:56px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;line-height:1.6;
}
.faq-q span.q-text{display:flex;align-items:baseline;gap:10px}
.faq-q .idx{font-size:12.5px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.faq-q i{color:var(--c-primary-deep);font-size:14px;transition:transform .25s ease;flex:0 0 auto}
.faq-item.is-open{box-shadow:var(--sh-md)}
.faq-item.is-open .faq-q{background:var(--c-primary-soft)}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:18px 22px 22px;color:var(--c-ink-2);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--c-dark);background-image:var(--g-brand);
  border-radius:var(--r-2xl);padding:56px;color:#fff;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  box-shadow:var(--sh-lg);
}
.cta-panel h2{color:#fff;font-size:clamp(24px,2.4vw,34px);line-height:1.3}
.cta-panel p{color:rgba(255,255,255,.78);margin-top:14px;font-size:16.5px}
.cta-card{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-xl);padding:28px;
}
.cta-num{display:flex;align-items:baseline;gap:8px;margin-bottom:18px}
.cta-num b{font-size:40px;line-height:1;font-weight:700;font-variant-numeric:tabular-nums;color:var(--c-accent)}
.cta-num span{font-size:14px;color:rgba(255,255,255,.75)}
.cta-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin:0 0 22px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.88)}
.cta-list li i{color:var(--c-accent);font-size:13px}
.cta-note{margin:14px 0 0;font-size:13px;color:rgba(255,255,255,.62);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:#081915;color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--g-accent);color:#071512;font-size:15px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700;letter-spacing:.2px}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:300px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:14.5px;color:rgba(255,255,255,.62);line-height:1.6}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:88px}
  .sidebar{padding:20px 10px 18px;align-items:center}
  .brand{justify-content:center;padding-left:0;padding-right:0}
  .brand-text{display:none}
  .nav{width:100%}
  .nav-item{justify-content:center;padding:14px 0}
  .nav-item span{display:none}
  .side-divider{width:100%;margin:16px 0}
  .sidebar-foot{padding:0;width:100%}
  .sidebar-foot .btn{padding:0;height:44px}
  .sidebar-foot .btn span{display:none}
  .sidebar-copy{display:none}
}
@media (max-width:1023.98px){
  .mobile-bar{display:flex}
  .sidebar{
    width:280px;transform:translateX(-100%);transition:transform .28s ease;
    box-shadow:var(--sh-lg);padding-top:56px;
  }
  .sidebar.is-open{transform:translateX(0)}
  .drawer-close{display:grid;place-items:center;top:12px}
  .main-area{margin-left:0;padding-top:56px}
  .grid-margin-x{margin-left:-8px;margin-right:-8px}
  .grid-margin-x>.cell{padding-left:8px;padding-right:8px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero-panel{padding:48px 26px}
  .cta-panel{grid-template-columns:1fr;padding:40px 28px;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639.98px){
  .grid-container{padding-left:16px;padding-right:16px}
  body{font-size:15.5px}
  .section{padding:56px 0}
  .hero-sec{padding:22px 0 48px}
  .hero-panel{padding:38px 20px;border-radius:var(--r-xl)}
  .hero-sub{font-size:16.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-badges{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
  .badge{flex:0 0 auto}
  .scard-body{padding:18px}
  .scard-body h3{font-size:20px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a p{padding:16px 18px 20px}
  .cta-panel{padding:32px 20px;border-radius:var(--r-xl)}
  .cta-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:10px}
  .site-footer{margin-top:64px;padding-top:48px}
}