/* roulang page: index */
:root{
  --brand:#FF4D2E;
  --brand-deep:#E63A1E;
  --brand-mid:#FF7A2F;
  --brand-yellow:#FFC537;
  --brand-soft:#FFF1EC;
  --cyan:#00B8A9;
  --cyan-soft:#E6F7F5;
  --ink:#14181D;
  --ink-2:#5C6672;
  --ink-3:#9AA3AD;
  --line:#E7E9E4;
  --bg:#F6F7F4;
  --white:#FFFFFF;
  --grad:linear-gradient(120deg,#FF4D2E 0%,#FF7A2F 48%,#FFC537 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,77,46,.08),rgba(255,197,55,.08));
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sd-1:0 8px 24px rgba(20,24,29,.06);
  --sd-2:0 16px 40px rgba(255,77,46,.14);
  --container:1200px;
  --sec-pc:96px;
  --sec-mb:56px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif}
p{margin:0}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
.num{font-variant-numeric:tabular-nums}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.section{padding:var(--sec-pc) 0}
.section-alt{background:var(--white)}
.section-ink{background:#14181D;color:#fff}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-deep);font-size:14px;font-weight:600;letter-spacing:.02em;margin-bottom:16px}
.eyebrow.cyan{background:var(--cyan-soft);color:#048076}
.sec-title{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.sec-sub{color:var(--ink-2);font-size:17px}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--white);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);flex-shrink:0}
.logo:hover{color:var(--ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:0 8px 18px rgba(255,77,46,.28)}
.logo-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav > a,.nav-drop > .drop-toggle{padding:10px 14px;border-radius:var(--r-pill);font-size:16px;color:var(--ink-2);position:relative;background:none;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.main-nav > a:hover,.nav-drop:hover > .drop-toggle{color:var(--brand);background:var(--brand-soft)}
.main-nav > a.is-active{color:var(--brand);font-weight:600}
.main-nav > a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;background:var(--grad)}
.nav-drop{position:relative}
.nav-drop-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:230px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sd-1);padding:10px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .2s ease}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drop-menu a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);color:var(--ink-2);font-size:15px}
.nav-drop-menu a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-drop-menu i{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--white);color:var(--ink);font-size:18px;cursor:pointer}
.burger:hover{border-color:var(--brand);color:var(--brand)}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);font-size:16px;font-weight:600;border:0;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,77,46,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sd-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--white);border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-soft{background:var(--cyan-soft);color:#048076;border:0}
.btn-soft:hover{background:#d3f1ed;color:#036b63}
.btn-sm{padding:10px 22px;font-size:15px}
.btn-block{width:100%}
.btn:focus-visible,.burger:focus-visible,.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,241,236,.97) 0%,rgba(255,246,240,.9) 46%,rgba(255,255,255,.7) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(28px,4.2vw,52px);margin-bottom:18px;letter-spacing:-.01em}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
.hero-points{display:grid;gap:12px;margin-bottom:32px}
.hero-points li{display:flex;align-items:flex-start;gap:12px;font-size:16px;color:var(--ink-2)}
.hero-points i{color:var(--cyan);margin-top:5px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-note{font-size:14px;color:var(--ink-3)}
.hero-visual{position:relative}
.hero-visual .shot{border-radius:var(--r-lg);overflow:hidden;box-shadow:0 24px 60px rgba(20,24,29,.16);border:1px solid var(--white);background:var(--white)}
.hero-visual .shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-chip{position:absolute;left:-18px;bottom:26px;background:var(--white);border-radius:var(--r-md);box-shadow:var(--sd-1);padding:14px 18px;display:flex;align-items:center;gap:12px;border:1px solid var(--line)}
.hero-chip .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px var(--cyan-soft)}
.hero-chip strong{display:block;font-size:15px}
.hero-chip span{font-size:13px;color:var(--ink-3)}

/* ============ Stats ============ */
.stats-band{margin-top:-40px;position:relative;z-index:5}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sd-1);display:flex;align-items:center;gap:16px}
.stat-icon{width:46px;height:46px;border-radius:14px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:18px;flex-shrink:0}
.stat-icon.cyan{background:var(--cyan-soft);color:#048076}
.stat-num{font-size:26px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{font-size:13px;color:var(--ink-3);letter-spacing:.02em}

/* ============ Compare table ============ */
.compare-wrap{position:relative;border-radius:var(--r-lg);background:var(--white);border:1px solid var(--line);box-shadow:var(--sd-1);overflow:hidden}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare{width:100%;min-width:820px;border-collapse:collapse;margin:0;background:transparent}
table.compare th,table.compare td{padding:0 20px;height:56px;text-align:left;font-size:15.5px;border-bottom:1px solid var(--line);vertical-align:middle}
table.compare thead th{background:var(--grad-soft);font-size:16px;font-weight:700;color:var(--ink);height:64px}
table.compare td:first-child,table.compare th:first-child{color:var(--ink-2);width:30%}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{background:#FAFBF8}
.col-rec{position:relative;border-left:2px solid var(--brand);border-right:2px solid var(--brand);background:rgba(255,241,236,.4)}
table.compare thead th.col-rec{border-top:2px solid var(--brand);padding-top:0}
table.compare tbody tr:last-child td.col-rec{border-bottom:2px solid var(--brand)}
.rec-tag{display:inline-block;margin-left:10px;padding:3px 10px;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:12px;font-weight:600;vertical-align:middle}
.yes,.no{display:inline-flex;align-items:center;gap:8px;font-size:15px}
.yes i{width:22px;height:22px;border-radius:50%;background:var(--cyan);color:#fff;display:grid;place-items:center;font-size:11px}
.no{color:var(--ink-3)}
.no i{width:22px;height:22px;border-radius:50%;background:#F0F1EE;color:var(--ink-3);display:grid;place-items:center;font-size:11px}
.scroll-hint{display:none;font-size:13px;color:var(--ink-3);margin-top:12px;text-align:center}

/* ============ Tier cards ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier-card{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px 26px 34px;box-shadow:var(--sd-1);transition:transform .25s ease,box-shadow .25s ease;overflow:hidden}
.tier-card:hover{transform:translateY(-6px);box-shadow:var(--sd-2)}
.tier-card:nth-child(2){margin-top:8px}
.tier-card:nth-child(3){margin-top:16px}
.tier-bar{position:absolute;left:0;top:0;bottom:0;width:8px;background:var(--grad);opacity:.85}
.tier-name{font-size:20px;margin-bottom:6px}
.tier-desc{color:var(--ink-2);font-size:15px;margin-bottom:18px}
.tier-list{display:grid;gap:10px;margin-bottom:22px}
.tier-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.tier-list i{color:var(--brand);margin-top:5px;font-size:12px}
.tier-progress{height:8px;border-radius:var(--r-pill);background:#F1F2EF;overflow:hidden;margin-bottom:20px}
.tier-progress span{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad)}
.tier-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600}
.tag-cyan{background:var(--cyan-soft);color:#048076;border:1px solid rgba(0,184,169,.28)}
.tag-orange{background:var(--brand-soft);color:var(--brand-deep)}

/* ============ Locked content ============ */
.lock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lock-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sd-1);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}
.lock-card:hover{transform:translateY(-6px);box-shadow:var(--sd-2)}
.lock-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EFF1ED}
.lock-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.lock-card:hover .lock-media img{transform:scale(1.03)}
.lock-layer{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,24,29,.05),rgba(20,24,29,.62));display:grid;place-items:center}
.lock-badge{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--brand);display:grid;place-items:center;font-size:19px;box-shadow:0 10px 24px rgba(20,24,29,.2)}
.lock-flag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:#048076;border-radius:var(--r-pill);padding:5px 12px;font-size:13px;font-weight:600}
.lock-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.lock-body h3{font-size:18px}
.lock-body p{font-size:15px;color:var(--ink-2)}
.lock-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}
.link-more{font-size:15px;font-weight:600;color:var(--brand);border-bottom:2px solid rgba(255,77,46,.28);padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--brand-deep)}

/* ============ News (CMS) ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sd-1);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sd-2)}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/10;background:#EFF1ED}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-cat{align-self:flex-start;padding:4px 12px;border-radius:var(--r-pill);border:1px solid rgba(0,184,169,.35);color:#048076;background:var(--cyan-soft);font-size:13px;font-weight:600}
.news-body h3{font-size:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-sum{font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-3)}
.news-foot time{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.empty-state{grid-column:1/-1;background:var(--white);border:1px dashed var(--line);border-radius:var(--r-lg);padding:40px;text-align:center;color:var(--ink-2)}
.empty-state img{width:120px;margin:0 auto 16px;border-radius:var(--r-md);opacity:.9}
.empty-state p{margin-bottom:18px}

/* ============ Flow + voices ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sd-1);transition:transform .25s ease,box-shadow .25s ease}
.flow-item:hover{transform:translateY(-6px);box-shadow:var(--sd-2)}
.flow-num{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;margin-bottom:16px;font-variant-numeric:tabular-nums}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:15px;color:var(--ink-2)}
.voice-band{margin-top:40px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sd-1)}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:22px}
.voice-item{background:var(--bg);border-radius:var(--r-md);padding:22px}
.voice-item p{font-size:15px;color:var(--ink-2);margin-bottom:14px}
.voice-user{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-3)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center;font-weight:700;font-size:14px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;position:relative;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#DCDED9}
.faq-item.is-open{border-color:rgba(255,77,46,.4);box-shadow:var(--sd-1)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:opacity .24s ease}
.faq-item.is-open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;font-size:18px;font-weight:600;color:var(--ink);line-height:1.5}
.faq-q .sign{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:14px;transition:transform .24s ease,background .24s ease,color .24s ease}
.faq-item.is-open .faq-q .sign{background:var(--grad);color:#fff;transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 24px 22px 24px;color:var(--ink-2);font-size:16px}

/* ============ CTA + form ============ */
.cta-band{padding-bottom:var(--sec-pc)}
.cta-card{position:relative;background:var(--white);border-radius:var(--r-lg);box-shadow:0 20px 50px rgba(20,24,29,.1);padding:44px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;overflow:hidden}
.cta-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--grad)}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px}
.cta-card p{color:var(--ink-2);margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:16px}
.cta-guarantee{font-size:14px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.cta-guarantee i{color:var(--cyan)}
.login-box{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:26px}
.login-box h3{font-size:18px;margin-bottom:6px}
.login-box .hint{font-size:14px;color:var(--ink-3);margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:7px;font-weight:600}
.field input{width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--white);color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}
.field input::placeholder{color:#B6BDB6}
.field input:focus{outline:none;border:2px solid var(--brand);box-shadow:0 0 0 4px rgba(0,184,169,.16)}
.field.has-error input{border:1.5px solid #FF5C5C;background:#FFF6F6}
.field .err{display:none;margin-top:7px;font-size:13px;color:#D93B3B}
.field.has-error .err{display:flex;align-items:center;gap:6px}
.form-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;font-size:14px;color:var(--ink-2)}
.form-row label{display:flex;align-items:center;gap:8px;cursor:pointer;margin:0;font-weight:400;font-size:14px;color:var(--ink-2)}
.form-tip{margin-top:14px;font-size:13.5px;color:var(--ink-3);display:flex;gap:8px;align-items:flex-start}
.form-tip i{color:var(--cyan);margin-top:5px}

/* ============ Footer ============ */
.site-footer{background:#14181D;color:#B9C0C7;padding-top:4px;position:relative}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad)}
.footer-main{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{box-shadow:none}
.site-footer p{font-size:14.5px;color:#95A0A8;line-height:1.9}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px}
.footer-col a{display:block;color:#95A0A8;font-size:14.5px;padding:6px 0}
.footer-col a:hover{color:#FFC537}
.footer-col .contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#95A0A8;padding:5px 0}
.footer-col .contact-line i{color:var(--brand);margin-top:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13.5px;color:#7E8890}
.footer-bottom a{color:#B9C0C7}
.footer-bottom a:hover{color:#FFC537}

/* ============ Mobile drawer ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(20,24,29,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90}
body.nav-open .drawer-mask{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);background:var(--white);z-index:95;transform:translateX(102%);transition:transform .28s ease;padding:22px;overflow-y:auto}
body.nav-open .drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--white);color:var(--ink);cursor:pointer}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-nav a{display:block;padding:13px 12px;border-radius:var(--r-sm);color:var(--ink-2);font-size:16px}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.drawer-group-title{padding:16px 12px 8px;font-size:13px;color:var(--ink-3);letter-spacing:.06em}
.drawer-cta{display:grid;gap:12px;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}

/* ============ Reveal animation ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-in{opacity:1;transform:none}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .container{padding:0 28px}
  .hero-inner{gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .tier-grid,.lock-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .main-nav,.nav-actions .btn-ghost{display:none}
  .burger{display:grid;place-items:center}
  .nav-wrap{height:60px}
  .logo{font-size:17px}
  .hero{padding:52px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-chip{left:auto;right:16px;bottom:-18px}
  .stats-band{margin-top:-24px}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:30px}
  .section{padding:64px 0}
  .voice-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section{padding:var(--sec-mb) 0}
  .sec-head{margin-bottom:30px}
  .stats-grid,.tier-grid,.lock-grid,.news-grid,.flow-grid{grid-template-columns:1fr}
  .tier-card:nth-child(2),.tier-card:nth-child(3){margin-top:0}
  .hero-visual .shot img{aspect-ratio:16/10}
  .hero-chip{position:static;margin-top:16px;left:0;right:0}
  .scroll-hint{display:block}
  .cta-card{padding:26px 20px}
  .faq-q{font-size:16.5px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-main{padding:44px 0 26px}
  .verify-band .cta-actions .btn{width:100%}
}
@media (max-width:519px){
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;border-radius:10px;font-size:14px}
  .hero h1{font-size:26px}
  .hero-cta .btn{width:100%}
  .stat-card{padding:18px}
  .voice-band{padding:22px}
}

/* roulang page: article */
:root{
  --brand:#FF4D2E;
  --brand-deep:#E63A1E;
  --brand-soft:#FFF1EC;
  --cyan:#00B8A9;
  --cyan-soft:#E6F7F5;
  --yellow:#FFC537;
  --ink:#14181D;
  --sub:#5C6672;
  --muted:#9AA3AD;
  --line:#E7E9E4;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --grad:linear-gradient(120deg,#FF4D2E 0%,#FF7A2F 48%,#FFC537 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(20,24,29,.06);
  --sh-hover:0 16px 40px rgba(255,77,46,.14);
  --container:1200px;
  --read:760px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.section-head p{color:var(--sub);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,77,46,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex:0 0 auto;
}
.logo-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav > a{
  position:relative;padding:8px 14px;font-size:15px;color:var(--sub);border-radius:999px;
}
.main-nav > a:hover{color:var(--brand)}
.main-nav > a.is-active{color:var(--brand);font-weight:700}
.main-nav > a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;background:var(--grad);
}
.nav-drop{position:relative}
.drop-toggle{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;font-size:15px;color:var(--sub);border-radius:999px;
}
.drop-toggle:hover{color:var(--brand)}
.nav-drop-menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:236px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s ease;
}
.nav-drop.is-open .nav-drop-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drop-menu a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:var(--sub);font-size:14px;
}
.nav-drop-menu a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px}
.burger{display:none;width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);font-size:17px;align-items:center;justify-content:center}
/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;width:min(330px,86vw);height:100%;background:#fff;z-index:400;
  transform:translateX(102%);transition:transform .28s ease;box-shadow:-16px 0 40px rgba(20,24,29,.12);
  padding:24px 22px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:38px;height:38px;border-radius:12px;background:var(--bg);color:var(--sub)}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--muted);margin:18px 0 8px;font-weight:700}
.drawer a.drawer-link{display:block;padding:12px 4px;color:var(--ink);font-size:15px;border-bottom:1px solid var(--line)}
.drawer a.drawer-link:hover{color:var(--brand)}
.drawer-sub a{display:block;padding:10px 4px 10px 14px;color:var(--sub);font-size:14px}
.drawer-sub a:hover{color:var(--brand)}
.drawer-cta{display:grid;gap:10px;margin-top:24px}
.overlay{position:fixed;inset:0;background:rgba(20,24,29,.45);z-index:300;opacity:0;visibility:hidden;transition:.28s ease}
.overlay.is-open{opacity:1;visibility:visible}
/* ---------- article hero ---------- */
.article-hero{
  position:relative;padding:56px 0 64px;color:#fff;
  background-image:linear-gradient(120deg,rgba(20,24,29,.86) 0%,rgba(230,58,30,.72) 52%,rgba(255,122,47,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.article-hero .crumbs{font-size:13px;color:rgba(255,255,255,.82);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px}
.article-hero .crumbs a{color:rgba(255,255,255,.9)}
.article-hero .crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.article-hero .crumbs .sep{opacity:.6}
.article-hero .crumbs .current{color:#fff;font-weight:700;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  color:#fff;font-size:clamp(24px,3.6vw,44px);max-width:900px;margin:16px 0 20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:700;
}
.badge-cyan{background:rgba(0,184,169,.16);color:#6FF0E3;border:1px solid rgba(111,240,227,.5)}
.badge-solid{background:var(--grad);color:#fff}
.meta-item{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.85)}
/* ---------- article body ---------- */
.article-stage{margin-top:-32px;padding-bottom:96px}
.article-card{
  max-width:var(--read);margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh);padding:48px 56px 40px;
}
.prose{font-size:17px;color:#25293
    
0;line-height:1.85}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 1.5em;color:#2B3138}
.prose h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);margin:2em 0 .8em;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.prose h3{font-size:19px;margin:1.6em 0 .6em}
.prose ul,.prose ol{margin:0 0 1.5em;padding-left:4px}
.prose ul li{position:relative;padding-left:22px;margin-bottom:.6em;color:#2B3138}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--cyan);
}
.prose ol{list-style:decimal;padding-left:22px;color:#2B3138}
.prose ol li{margin-bottom:.6em}
.prose blockquote{
  margin:1.8em 0;padding:20px 24px;background:var(--brand-soft);
  border-radius:var(--r-md);border-left:4px solid var(--brand);color:#3A424B;font-size:16px;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--sh)}
.prose figure{margin:1.8em 0}
.prose figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;display:block;overflow-x:auto;white-space:nowrap}
.prose th,.prose td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.prose th{background:var(--bg);font-weight:700}
.prose pre{background:#14181D;color:#F2F4F1;padding:20px;border-radius:var(--r-md);overflow-x:auto;font-size:14px;margin:1.8em 0}
.prose code{background:var(--cyan-soft);color:#00726A;padding:2px 6px;border-radius:6px;font-size:.92em}
.prose pre code{background:none;color:inherit;padding:0}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.prose a:hover{color:var(--brand-deep)}
.prose hr{border:none;height:1px;background:var(--line);margin:2.4em 0}
.empty-state{
  text-align:center;padding:24px 8px;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;
}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--sub);margin-bottom:22px}
/* ---------- tags & share ---------- */
.post-foot{
  max-width:var(--read);margin:28px auto 0;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
  padding:22px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);
}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--cyan-soft);color:#00726A;font-size:13px;font-weight:700;border:1px solid rgba(0,184,169,.28);
}
.tag:hover{background:#D5F2EF;color:#00655E}
.share-group{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--sub)}
.share-btn{
  width:38px;height:38px;border-radius:12px;background:var(--bg);color:var(--sub);
  display:inline-flex;align-items:center;justify-content:center;transition:.2s ease;
}
.share-btn:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-2px)}
/* ---------- related ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px;background:#fff;color:var(--cyan);border:1px solid rgba(0,184,169,.35)}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{
  color:var(--sub);font-size:14.5px;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
.card-foot .time{display:inline-flex;align-items:center;gap:6px}
.card-foot .more{font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card-foot .more:hover{color:var(--brand-deep);gap:9px}
/* ---------- back & cta ---------- */
.back-row{display:flex;justify-content:center;margin-top:40px}
.cta-panel{
  position:relative;border-radius:28px;overflow:hidden;padding:56px 48px;text-align:center;color:#fff;
  background-image:linear-gradient(120deg,rgba(230,58,30,.94),rgba(255,122,47,.9) 55%,rgba(255,197,55,.86)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;box-shadow:var(--sh);
}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:14px}
.cta-panel p{color:rgba(255,255,255,.92);max-width:640px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-actions .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.cta-actions .btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff}
.assure{margin-top:20px;font-size:13px;color:rgba(255,255,255,.86)}
/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C7CDD4;margin-top:0;border-top:4px solid transparent;border-image:var(--grad) 1}
.footer-main{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-col p{font-size:14px;color:#98A1AA;line-height:1.85;margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col a{display:block;color:#A9B2BB;font-size:14px;padding:6px 0}
.footer-col a:hover{color:var(--yellow)}
.contact-line{display:flex;gap:10px;font-size:14px;color:#A9B2BB;padding:6px 0;line-height:1.7}
.contact-line i{color:var(--cyan);margin-top:5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 32px 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8D96A0;
}
.footer-bottom a{color:#C7CDD4}
.footer-bottom a:hover{color:var(--yellow)}
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-actions .btn{display:none}
  .burger{display:inline-flex}
  .nav-wrap{height:64px;gap:16px}
  .section{padding:64px 0}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-hero{padding:36px 0 52px}
  .article-hero .crumbs .current{white-space:normal}
  .article-card{padding:28px 22px 24px;border-radius:20px}
  .prose{font-size:16.5px}
  .article-stage{margin-top:-24px;padding-bottom:64px}
  .post-foot{flex-direction:column;align-items:flex-start}
  .footer-bottom{padding:18px 20px 26px}
}
@media (max-width:640px){
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-panel{padding:40px 22px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .section{padding:56px 0}
}

/* roulang page: category1 */
:root{
  --c-brand:#FF4D2E;
  --c-brand-deep:#E63A1E;
  --c-brand-soft:#FFF1EC;
  --c-teal:#00B8A9;
  --c-teal-soft:#E6F7F5;
  --c-yellow:#FFC537;
  --c-ink:#14181D;
  --c-ink-2:#5C6672;
  --c-ink-3:#9AA3AD;
  --c-line:#E7E9E4;
  --c-bg:#F6F7F4;
  --c-white:#FFFFFF;
  --grad:linear-gradient(120deg,#FF4D2E 0%,#FF7A2F 48%,#FFC537 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,24,29,.06);
  --sh-2:0 16px 40px rgba(255,77,46,.14);
  --sp:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--c-ink)}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-teal);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-white);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--c-ink);flex-shrink:0}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:15px;box-shadow:0 6px 16px rgba(255,77,46,.28);
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.main-nav>a,.drop-toggle{
  position:relative;font-size:15px;color:var(--c-ink-2);font-weight:500;padding:6px 0;background:none;border:0;cursor:pointer;
}
.main-nav>a:hover,.drop-toggle:hover{color:var(--c-brand)}
.main-nav>a.is-active{color:var(--c-brand);font-weight:700}
.main-nav>a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-drop{position:relative}
.nav-drop-menu{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(6px);
  min-width:236px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:8px;opacity:0;visibility:hidden;transition:.22s ease;
}
.nav-drop-menu a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--c-ink-2);
}
.nav-drop-menu a i{color:var(--c-teal);width:16px;text-align:center}
.nav-drop-menu a:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}
.nav-drop-menu a.is-active{background:var(--c-brand-soft);color:var(--c-brand-deep);font-weight:700}
.nav-drop:hover .nav-drop-menu,.nav-drop.is-open .nav-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink);font-size:17px;cursor:pointer;
}
.burger:hover{border-color:var(--c-brand);color:var(--c-brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;transition:.22s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,77,46,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{color:var(--c-brand);border-color:var(--c-brand);background:var(--c-brand-soft)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{width:100%}

/* ---------- tags / badges ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;border:1px solid var(--c-teal);color:#00847a;background:var(--c-teal-soft);
}
.tag-brand{border-color:rgba(255,77,46,.35);color:var(--c-brand-deep);background:var(--c-brand-soft)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;padding:56px 0 52px;min-height:262px;
  background:#14181D url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,24,29,.93) 0%,rgba(230,58,30,.80) 52%,rgba(255,197,55,.58) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.76);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.92)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb span.sep{opacity:.6}
.hero-title{
  font-size:clamp(26px,3.4vw,40px);color:#fff;margin-bottom:14px;
}
.hero-title .h1-brand{display:block;font-size:16px;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.85);margin-bottom:8px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.9);max-width:660px;margin-bottom:22px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-cta .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero-cta .btn-ghost:hover{background:#fff;color:var(--c-brand-deep);border-color:#fff}

/* ---------- sections ---------- */
.section{padding:var(--sp) 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--c-brand-deep);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-title{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.section-desc{font-size:16px;color:var(--c-ink-2);margin:0}

/* ---------- intro + stats ---------- */
.intro-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:start}
.intro-text p{color:var(--c-ink-2)}
.intro-text p strong{color:var(--c-ink)}
.intro-aside{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);
}
.intro-aside h3{font-size:18px;margin-bottom:16px}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--c-line);
  font-size:15px;color:var(--c-ink-2);
}
.mini-list li:last-child{border-bottom:0}
.mini-list i{color:var(--c-teal);margin-top:6px;font-size:13px}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.stat-card{
  background:var(--c-brand-soft);border:1px solid rgba(255,77,46,.16);border-radius:var(--r-md);
  padding:22px;position:relative;overflow:hidden;
}
.stat-card:nth-child(even){background:var(--c-teal-soft);border-color:rgba(0,184,169,.2)}
.stat-card::after{
  content:"";position:absolute;right:-24px;top:-24px;width:74px;height:74px;border-radius:50%;
  background:rgba(255,255,255,.6);
}
.stat-num{font-size:28px;font-weight:700;color:var(--c-brand-deep);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-card:nth-child(even) .stat-num{color:#00847a}
.stat-unit{font-size:14px;font-weight:600;margin-left:4px}
.stat-label{font-size:14px;color:var(--c-ink-2);margin-top:6px}

/* ---------- anchor bar ---------- */
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:10px;padding:16px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);box-shadow:var(--sh-1);position:sticky;top:88px;z-index:30;
}
.anchor-bar a{
  padding:8px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--c-ink-2);background:var(--c-bg);
}
.anchor-bar a:hover{background:var(--c-brand-soft);color:var(--c-brand-deep)}

/* ---------- alternating rows ---------- */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-1);margin-bottom:28px;transition:.25s ease;
}
.alt-row:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.alt-row .alt-media{position:relative;border-radius:var(--r-md);overflow:hidden}
.alt-row .alt-media img{width:100%;height:290px;object-fit:cover;transition:transform .4s ease}
.alt-row:hover .alt-media img{transform:scale(1.03)}
.alt-media .float-badge{
  position:absolute;left:16px;bottom:16px;background:rgba(20,24,29,.82);color:#fff;
  font-size:13px;padding:8px 14px;border-radius:var(--r-pill);backdrop-filter:blur(4px);
  display:inline-flex;align-items:center;gap:8px;
}
.alt-row.reverse .alt-media{order:2}
.alt-row.reverse .alt-body{order:1}
.alt-body h3{font-size:22px;margin:14px 0 12px}
.alt-body p{color:var(--c-ink-2);font-size:16px}
.check-list{margin:16px 0 18px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-ink-2);padding:5px 0}
.check-list i{color:#fff;background:var(--c-teal);width:18px;height:18px;border-radius:50%;font-size:10px;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:6px}
.link-arrow{font-weight:600;display:inline-flex;align-items:center;gap:8px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- compare table ---------- */
.table-shell{position:relative}
.table-scroll{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-1)}
.compare-table{width:100%;border-collapse:collapse;min-width:760px}
.compare-table th,.compare-table td{padding:0 20px;height:56px;text-align:left;font-size:15px;border-bottom:1px solid var(--c-line)}
.compare-table thead th{
  font-size:15px;color:var(--c-ink);background:linear-gradient(180deg,rgba(255,77,46,.08),rgba(255,77,46,.02));
  font-weight:700;height:64px;
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table td:first-child,.compare-table th:first-child{color:var(--c-ink);font-weight:600}
.compare-table td:not(:first-child){color:var(--c-ink-2);text-align:center;font-variant-numeric:tabular-nums}
.compare-table th:not(:first-child){text-align:center}
.compare-table .col-rec{background:rgba(255,77,46,.045);border-left:2px solid var(--c-brand);border-right:2px solid var(--c-brand)}
.compare-table thead th.col-rec{position:relative;border-top:2px solid var(--c-brand);border-radius:12px 12px 0 0}
.compare-table tbody tr:last-child td.col-rec{border-bottom:2px solid var(--c-brand);border-radius:0 0 12px 12px}
.rec-badge{
  display:inline-block;margin-left:8px;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:12px;font-weight:700;vertical-align:middle;
}
.yes{color:#00847a;font-weight:700}
.no{color:var(--c-ink-3)}
.scroll-hint{display:none;font-size:13px;color:var(--c-ink-3);margin-top:10px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;position:relative;transition:.2s ease}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:opacity .24s ease}
.faq-item.is-open{border-color:rgba(255,77,46,.35);box-shadow:var(--sh-1)}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  background:none;border:0;padding:20px 24px;font-size:18px;font-weight:600;color:var(--c-ink);cursor:pointer;
}
.faq-q i{color:var(--c-brand);transition:transform .24s ease;flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 24px 20px;margin:0;color:var(--c-ink-2);font-size:15px}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;background:#14181D url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius:var(--r-lg);padding:56px 48px;overflow:hidden;text-align:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,24,29,.94) 0%,rgba(230,58,30,.82) 60%,rgba(255,197,55,.62) 100%);
}
.cta-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad)}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.88);margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.cta-actions .btn-ghost:hover{background:#fff;color:var(--c-brand-deep);border-color:#fff}
.cta-note{margin-top:18px;font-size:14px;color:rgba(255,255,255,.72)}

/* ---------- footer ---------- */
.site-footer{background:#14181D;color:#C6CCD4;position:relative;padding-top:4px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-main{padding:64px 32px 44px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.9;color:#98A2AD;margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:#C6CCD4;padding:6px 0}
.footer-col a:hover{color:var(--c-brand)}
.contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;padding:6px 0;color:#98A2AD}
.contact-line i{color:var(--c-teal);margin-top:6px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.1);padding:20px 32px 28px;font-size:13px;color:#8892A0;
}
.footer-bottom a{color:#C6CCD4}
.footer-bottom a:hover{color:var(--c-brand)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:60px;left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:18px 20px 32px;overflow-y:auto;transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:.24s ease;margin-left:0;border-top:1px solid var(--c-line);
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .main-nav>a{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--c-line)}
  .main-nav>a.is-active::after{display:none}
  .nav-drop{width:100%;border-bottom:1px solid var(--c-line)}
  .drop-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;padding:15px 4px;font-size:16px}
  .nav-drop-menu{
    position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0 0 10px;min-width:0;display:none;
  }
  .nav-drop.is-open .nav-drop-menu{display:block;transform:none}
  .nav-wrap{height:60px}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn-ghost{display:none}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .anchor-bar{position:static}
}
@media (max-width:768px){
  :root{--sp:64px}
  .container,.grid-container,.footer-main,.footer-bottom{padding-left:20px;padding-right:20px}
  .alt-row{grid-template-columns:1fr;gap:26px;padding:24px}
  .alt-row.reverse .alt-media{order:1}
  .alt-row.reverse .alt-body{order:2}
  .alt-row .alt-media img{height:220px}
  .scroll-hint{display:block}
  .cta-card{padding:40px 24px}
  .logo-text{font-size:16px}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .btn{padding:13px 22px;font-size:14px;width:100%}
  .hero-cta .btn,.cta-actions .btn{width:100%}
  .nav-actions .btn-sm{width:auto}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category3 */
:root{
  --brand:#FF4D2E;
  --brand-dark:#E63A1E;
  --brand-soft:#FFF1EC;
  --teal:#00B8A9;
  --teal-soft:#E6F7F5;
  --yellow:#FFC537;
  --ink:#14181D;
  --ink-2:#5C6672;
  --ink-3:#9AA3AD;
  --line:#E7E9E4;
  --bg:#F6F7F4;
  --white:#FFFFFF;
  --grad:linear-gradient(120deg,#FF4D2E 0%,#FF7A2F 48%,#FFC537 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 24px rgba(20,24,29,.06);
  --shadow-hover:0 16px 40px rgba(255,77,46,.14);
  --section:96px;
  --pill:999px;
}
*,*::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",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.2px}
p{margin:0 0 1em}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,77,46,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,46,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
.btn:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:76px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;text-decoration:none}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;flex:0 0 auto;
}
.logo-text{font-size:17px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.main-nav > a{position:relative;font-size:15px;color:var(--ink-2);padding:6px 2px;white-space:nowrap}
.main-nav > a:hover{color:var(--brand)}
.main-nav > a.is-active{color:var(--brand);font-weight:600}
.main-nav > a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;
  border-radius:3px;background:var(--grad);
}
.nav-drop{position:relative}
.drop-toggle{
  display:flex;align-items:center;gap:6px;background:none;border:0;padding:6px 2px;
  font-size:15px;color:var(--ink-2);cursor:pointer;
}
.drop-toggle:hover{color:var(--brand)}
.nav-drop-menu{
  position:absolute;top:calc(100% + 16px);left:50%;
  transform:translateX(-50%) translateY(-6px);
  min-width:250px;padding:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:0 16px 40px rgba(20,24,29,.12);
  display:grid;gap:2px;opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop.is-open .nav-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-drop-menu a{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  font-size:14px;color:var(--ink-2);
}
.nav-drop-menu a i{width:16px;text-align:center;color:var(--teal)}
.nav-drop-menu a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-drop-menu a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:26px}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.burger:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;
  overflow-y:auto;padding:20px 22px 40px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer}
.drawer-nav{display:grid;gap:2px;padding-top:12px}
.drawer-nav a{display:flex;align-items:center;gap:10px;padding:14px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-group{padding-top:14px}
.drawer-group-title{display:block;font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.6px;margin-bottom:6px}
.drawer-group a{font-size:15px;color:var(--ink-2)}
.drawer-group a i{width:16px;text-align:center;color:var(--teal)}
.drawer-cta{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.drawer-cta .btn{width:100%}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;isolation:isolate;color:#fff;overflow:hidden;
  background:#14181D url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(20,24,29,.93) 0%,rgba(230,58,30,.80) 54%,rgba(255,197,55,.52) 100%);
}
.cat-hero .container{padding-top:40px;padding-bottom:56px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:#fff;font-weight:600}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.22;margin-bottom:16px;
  max-width:900px;
}
.cat-hero .lead{font-size:clamp(16px,1.9vw,19px);color:rgba(255,255,255,.9);max-width:720px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.cat-hero .btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.cat-hero .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  font-size:13px;color:#fff;
}
.hero-tags i{color:var(--yellow)}

/* ---------- 板块 ---------- */
.section{padding:var(--section) 0}
.section.is-white{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:6px 14px;border-radius:var(--pill);background:var(--brand-soft);
  color:var(--brand-dark);font-size:13px;font-weight:600;
}
h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.section-head p{color:var(--ink-2);margin:0}
.rich p{color:var(--ink-2);max-width:860px}
.rich p:last-child{margin-bottom:0}

/* ---------- 数据徽章 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);
}
.stat .value{display:flex;align-items:baseline;gap:4px;font-size:28px;font-weight:700;color:var(--ink)}
.stat .value small{font-size:14px;font-weight:600;color:var(--ink-3)}
.stat .label{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:13px;color:var(--ink-2)}
.stat .label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.stat.teal .label::before{background:var(--teal)}

/* ---------- 横向长条列表 ---------- */
.row-list{display:grid;gap:18px}
.row-item{
  display:flex;align-items:center;gap:24px;padding:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.row-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#FFD5C8}
.row-thumb{flex:0 0 160px;height:112px;border-radius:var(--r-md);overflow:hidden;background:var(--teal-soft)}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.row-item:hover .row-thumb img{transform:scale(1.03)}
.row-body{flex:1;min-width:0}
.row-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--pill);
  background:var(--teal-soft);border:1px solid rgba(0,184,169,.28);
  color:#017a70;font-size:12px;font-weight:600;
}
.badge.warm{background:var(--brand-soft);border-color:rgba(255,77,46,.24);color:var(--brand-dark)}
.row-title{font-size:19px;margin-bottom:6px}
.row-desc{
  margin:0 0 12px;color:var(--ink-2);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-list{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--ink-3)}
.meta-list i{color:var(--teal);margin-right:6px}
.row-cta{flex:0 0 auto}

/* ---------- 等级对照 ---------- */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.level-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px 26px 30px;box-shadow:var(--shadow);overflow:hidden;
}
.level-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--grad);
}
.level-card.mid{transform:translateY(8px)}
.level-card h3{font-size:19px;margin-bottom:6px}
.level-card .tagline{color:var(--ink-2);font-size:14px;margin-bottom:14px}
.level-card ul{display:grid;gap:9px}
.level-card li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.level-card li i{color:var(--teal);margin-top:6px;font-size:12px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:30px;max-width:900px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#FF4D2E,#FFC537);
}
.tl-item{position:relative;padding:0 0 30px 6px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-item h3{font-size:17px;margin-bottom:6px}
.tl-item p{margin:0;color:var(--ink-2);font-size:15px}

/* ---------- 最新内容入口 ---------- */
.entry-card{
  display:flex;align-items:center;gap:26px;padding:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.entry-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.entry-card img{width:280px;height:172px;object-fit:cover;border-radius:var(--r-md);flex:0 0 280px}
.entry-card h3{font-size:21px;margin:10px 0 10px}
.entry-card p{color:var(--ink-2);font-size:15px;margin:0 0 16px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#FFD5C8;box-shadow:var(--shadow)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);
}
.faq-q:focus-visible{outline:2px solid var(--teal);outline-offset:-3px}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-dark);display:grid;place-items:center;font-size:12px;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{margin:0;padding:0 22px 22px;color:var(--ink-2);font-size:15.5px}
.faq-item.is-open .faq-a{max-height:360px}

/* ---------- CTA ---------- */
.cta-wrap{padding-bottom:var(--section)}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:#14181D url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;text-align:center;padding:56px 32px;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,24,29,.94) 0%,rgba(230,58,30,.78) 60%,rgba(255,197,55,.5) 100%);
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{color:#fff;margin-bottom:14px}
.cta-card p{color:rgba(255,255,255,.88);max-width:660px;margin:0 auto 26px}
.cta-note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.78)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#14181D;color:#B8BEC6;
  border-top:4px solid;border-image:linear-gradient(120deg,#FF4D2E 0%,#FF7A2F 48%,#FFC537 100%) 1;
}
.footer-main{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-weight:700;font-size:17px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col a{display:block;color:#B8BEC6;font-size:14px;padding:5px 0}
.footer-col a:hover{color:#FFB59F}
.footer-col p{font-size:14px;line-height:1.75;color:#9AA3AD;margin:0}
.contact-line{display:flex;gap:10px;padding:6px 0;font-size:14px;color:#9AA3AD}
.contact-line i{color:var(--teal);margin-top:6px;width:16px;text-align:center}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8A939D;
}
.footer-bottom a{color:#FFB59F}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-actions .btn{display:none}
  .burger{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
  .stats{grid-template-columns:repeat(2,1fr)}
  .level-grid{grid-template-columns:1fr 1fr}
  .level-card.mid{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  :root{--section:56px}
  .container{padding:0 20px}
  .nav-wrap{height:60px}
  .logo-text{font-size:16px}
  .cat-hero .container{padding-top:28px;padding-bottom:40px}
  .row-item{flex-direction:column;align-items:stretch;gap:16px}
  .row-thumb{flex:none;width:100%;height:180px}
  .row-cta .btn{width:100%}
  .entry-card{flex-direction:column;align-items:stretch}
  .entry-card img{width:100%;height:200px;flex:none}
  .level-grid{grid-template-columns:1fr}
  .cta-card{padding:40px 22px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  body{font-size:16px}
  .stats{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .faq-q{font-size:16.5px;padding:18px}
}

/* roulang page: category2 */
:root{
  --brand:#FF4D2E;
  --brand-deep:#E63A1E;
  --brand-tint:#FFF1EC;
  --teal:#00B8A9;
  --teal-tint:#E6F7F5;
  --yellow:#FFC537;
  --ink:#14181D;
  --ink-2:#5C6672;
  --ink-3:#9AA3AD;
  --line:#E7E9E4;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --grad:linear-gradient(120deg,#FF4D2E 0%,#FF7A2F 48%,#FFC537 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(20,24,29,.06);
  --sh-hover:0 16px 40px rgba(255,77,46,.14);
  --max:1200px;
}
*,*::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",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px}
.container{max-width:var(--max);margin:0 auto;padding:0 32px;width:100%}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);
  background:var(--brand-tint);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:32px;letter-spacing:-.2px}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:17px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15.5px;font-weight:700;
  border:1.5px solid transparent;transition:all .22s ease;white-space:nowrap;
  line-height:1;text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,77,46,.22)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,46,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-tint);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14.5px}
.btn:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:700;flex-shrink:0}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 6px 16px rgba(255,77,46,.28);flex-shrink:0;
}
.logo-text{font-size:18px;letter-spacing:-.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav > a,.drop-toggle{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;font-size:15px;color:var(--ink-2);font-weight:500;
  border-radius:999px;background:none;border:0;
}
.main-nav > a:hover,.drop-toggle:hover{color:var(--ink);background:var(--bg)}
.main-nav > a.is-active{color:var(--brand);font-weight:700}
.main-nav > a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad);
}
.nav-drop{position:relative}
.nav-drop-menu{
  position:absolute;top:calc(100% + 12px);left:0;min-width:238px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .22s ease;
}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{
  opacity:1;visibility:visible;transform:translateY(0);
}
.nav-drop-menu a{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;
  font-size:15px;color:var(--ink-2);
}
.nav-drop-menu a i{color:var(--teal);font-size:14px;width:16px;text-align:center}
.nav-drop-menu a:hover{background:var(--brand-tint);color:var(--brand)}
.nav-drop-menu a:hover i{color:var(--brand)}
.nav-drop-menu a.is-active{color:var(--brand);font-weight:700;background:var(--brand-tint)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;align-items:center;justify-content:center;
}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;min-height:264px;display:flex;align-items:center;
  padding:56px 0;color:#fff;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(20,24,29,.88) 0%,rgba(230,58,30,.74) 62%,rgba(255,122,47,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;bottom:-90px;width:320px;height:240px;
  background:var(--grad);opacity:.28;transform:rotate(-12deg);border-radius:40px;
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.crumb a{color:#fff}
.crumb a:hover{color:var(--yellow)}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,46px);letter-spacing:-.4px;
  max-width:820px;
}
.hero-sub{
  margin-top:16px;max-width:680px;color:rgba(255,255,255,.9);font-size:18px;line-height:1.75;
}

/* ============ 说明区 ============ */
.intro-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:start}
.intro-copy p + p{margin-top:18px}
.intro-copy p{color:var(--ink-2);font-size:17px}
.intro-copy strong{color:var(--ink)}
.intro-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);
}
.intro-aside h3{font-size:20px;margin-bottom:14px}
.intro-aside li{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--ink-2);
}
.intro-aside li:last-child{border-bottom:0;padding-bottom:0}
.intro-aside li i{color:var(--teal);font-size:15px;margin-top:6px}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px;
}
.stat-row .stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;
}
.stat-row .stat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat .num{font-size:26px;font-weight:700;color:var(--brand);letter-spacing:-.5px}
.stat .num small{font-size:13px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat .cap{margin-top:4px;font-size:13.5px;color:var(--ink-3)}

/* ============ 瀑布流 ============ */
.masonry{column-count:2;column-gap:28px}
.masonry > .m-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;
  display:inline-block;width:100%;margin:0 0 28px;
}
.m-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.m-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:#F6D9D0}
.m-card .thumb{overflow:hidden;position:relative;background:var(--bg)}
.m-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.m-card:hover .thumb img{transform:scale(1.03)}
.m-card .body{padding:24px 24px 26px}
.m-card h3{font-size:20px;margin-bottom:10px}
.m-card p{color:var(--ink-2);font-size:15.5px}
.m-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  border-radius:999px;padding:5px 12px;line-height:1.4;
}
.tag-teal{color:var(--teal);background:var(--teal-tint);border:1px solid rgba(0,184,169,.28)}
.tag-brand{color:var(--brand);background:var(--brand-tint);border:1px solid rgba(255,77,46,.24)}
.tag-gray{color:var(--ink-2);background:var(--bg);border:1px solid var(--line)}
.m-card .meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-3);
}
.m-card .meta .link{font-weight:700;font-size:14px}
.m-list{margin-top:16px}
.m-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);padding:6px 0}
.m-list li i{color:var(--brand);font-size:13px;margin-top:7px}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:40px;max-width:860px}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:4px;
  border-radius:99px;background:var(--grad);
}
.tl-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh);margin-bottom:24px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.tl-item:last-child{margin-bottom:0}
.tl-item:hover{transform:translateX(4px);box-shadow:var(--sh-hover)}
.tl-item::before{
  content:"";position:absolute;left:-38px;top:26px;width:22px;height:22px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-sizing:border-box;
}
.tl-num{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--brand);margin-bottom:8px;
}
.tl-item h3{font-size:19px;margin-bottom:8px}
.tl-item p{color:var(--ink-2);font-size:15.5px}

/* ============ 数据徽章拼贴 ============ */
.badge-mosaic{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:20px}
.badge-tile{
  border-radius:var(--r-md);padding:24px;border:1px solid var(--line);background:#fff;
  box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;
}
.badge-tile:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.badge-tile.tint-brand{background:var(--brand-tint);border-color:#F7D7CD}
.badge-tile.tint-teal{background:var(--teal-tint);border-color:#C9EDE9}
.tile-top{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex-shrink:0}
.dot-teal{background:var(--teal)}
.dot-yellow{background:var(--yellow)}
.tile-top span{font-size:13.5px;color:var(--ink-2);font-weight:600}
.badge-tile .val{font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.6px}
.badge-tile .val small{font-size:14px;color:var(--ink-2);font-weight:600;margin-left:4px}
.badge-tile .desc{margin-top:6px;font-size:14px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:#F3D3C9;box-shadow:var(--sh)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
  opacity:0;transition:opacity .24s ease;
}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 24px;font-size:18px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:16px}

/* ============ CTA ============ */
.cta-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 48px;text-align:center;box-shadow:var(--sh);overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--grad);
}
.cta-card h2{font-size:30px;letter-spacing:-.3px}
.cta-card p{margin:16px auto 0;max-width:660px;color:var(--ink-2);font-size:17px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.cta-note{margin-top:18px;font-size:14px;color:var(--ink-3)}

/* ============ 表单 ============ */
.login-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh);max-width:460px;margin:0 auto;
}
.login-panel h3{font-size:22px;margin-bottom:6px}
.login-panel .hint{font-size:14px;color:var(--ink-3);margin-bottom:22px}
.field{margin-bottom:18px;text-align:left}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;font-weight:600}
.field input{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{
  outline:none;border:2px solid var(--brand);padding:0 15px;
  box-shadow:0 0 0 3px rgba(0,184,169,.18);
}
.login-panel .btn{width:100%;margin-top:6px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;margin-top:20px}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad)}
.footer-main{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{
  display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:18px;
  margin-bottom:16px;
}
.footer-col p{font-size:14.5px;line-height:1.85}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col a{display:block;color:rgba(255,255,255,.72);font-size:14.5px;padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--yellow);transform:translateX(3px)}
.contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;padding:6px 0}
.contact-line i{color:var(--teal);margin-top:6px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 32px 28px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:var(--yellow)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-wrap{height:60px;padding:0 20px;gap:16px}
  .logo-text{font-size:16px}
  .burger{display:inline-flex}
  .main-nav{
    position:fixed;top:60px;left:0;right:0;bottom:0;z-index:70;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:16px 20px 48px;overflow-y:auto;margin-left:0;
    transform:translateX(-102%);transition:transform .28s ease;
    border-top:1px solid var(--line);
  }
  body.nav-open .main-nav{transform:translateX(0)}
  body.nav-open{overflow:hidden}
  .main-nav > a,.drop-toggle{
    padding:15px 8px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;
    justify-content:space-between;
  }
  .main-nav > a.is-active::after{display:none}
  .main-nav > a.is-active{color:var(--brand)}
  .nav-drop{width:100%}
  .nav-drop-menu{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:0;border-radius:0;padding:4px 0 8px 8px;min-width:0;display:none;
  }
  .nav-drop.open .nav-drop-menu{display:block}
  .nav-actions .btn{padding:9px 16px;font-size:14px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
  .section-head h2{font-size:27px}
  .cta-card{padding:40px 24px}
  .cta-card h2{font-size:25px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .masonry{column-count:1}
  .timeline{padding-left:30px}
  .tl-item::before{left:-28px;width:18px;height:18px;top:24px}
  .timeline::before{left:8px}
  .section{padding:56px 0}
  .page-hero{min-height:224px;padding:44px 0}
  .hero-sub{font-size:16.5px}
  .m-card .body{padding:20px}
  .faq-item summary{font-size:16.5px;padding:18px 52px 18px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;padding:18px 20px 26px}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .stat-row{grid-template-columns:1fr}
  .nav-actions .btn-ghost{display:none}
}

/* roulang page: category4 */
:root{
  --brand:#FF4D2E;
  --brand-deep:#E63A1E;
  --brand-soft:#FFF1EC;
  --aqua:#00B8A9;
  --aqua-soft:#E6F7F5;
  --yellow:#FFC537;
  --ink:#14181D;
  --ink2:#5C6672;
  --ink3:#9AA3AD;
  --line:#E7E9E4;
  --page:#F6F7F4;
  --card:#FFFFFF;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sh:0 8px 24px rgba(20,24,29,.06);
  --sh-hover:0 16px 40px rgba(255,77,46,.14);
  --grad:linear-gradient(120deg,#FF4D2E 0%,#FF7A2F 48%,#FFC537 100%);
  --nav-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink);font-family:inherit}
h1{font-size:clamp(28px,4vw,46px)}
h2{font-size:clamp(22px,2.6vw,32px)}
h3{font-size:19px}
p{margin:0 0 1em}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
summary{list-style:none}
summary::-webkit-details-marker{display:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(20,24,29,.04);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 6px 16px rgba(255,77,46,.28);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:20px;margin-left:auto}
.main-nav > a,.drop-toggle{
  position:relative;font-size:15px;color:var(--ink2);background:none;border:0;
  padding:6px 2px;cursor:pointer;transition:color .2s ease;white-space:nowrap;
}
.main-nav > a:hover,.drop-toggle:hover{color:var(--brand)}
.main-nav > a.is-active{color:var(--brand);font-weight:700}
.main-nav > a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-drop{position:relative}
.nav-drop-menu{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:236px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:0 16px 40px rgba(20,24,29,.12);padding:8px;display:none;flex-direction:column;gap:2px;
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{
  display:flex;opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0);
}
.nav-drop-menu a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink2);
  padding:10px 12px;border-radius:10px;
}
.nav-drop-menu a i{width:16px;color:var(--aqua);font-size:13px}
.nav-drop-menu a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-drop-menu a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;cursor:pointer;
}
.burger:hover{border-color:var(--brand);color:var(--brand)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--pill);font-size:15px;font-weight:700;
  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;
  line-height:1;text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,77,46,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,46,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-aqua{background:var(--aqua);color:#fff}
.btn-aqua:hover{background:#009c8f;color:#fff;transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--aqua);outline-offset:2px;
}
.link-more{font-weight:700;border-bottom:2px solid rgba(255,77,46,.28);padding-bottom:2px}
.link-more:hover{border-color:var(--brand)}

/* ===== 内页窄幅 Hero ===== */
.page-hero{
  position:relative;min-height:260px;display:flex;align-items:center;
  background-image:linear-gradient(120deg,rgba(20,24,29,.82) 0%,rgba(255,77,46,.62) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:44px 0;
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:760px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:14px}
.crumb a{color:rgba(255,255,255,.88)}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.6}
.crumb .now{color:var(--yellow);font-weight:700}
.page-hero h1{color:#fff;margin-bottom:12px}
.page-hero .hero-sub{color:rgba(255,255,255,.92);font-size:17px;max-width:660px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.pill-tag{
  display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:var(--pill);
  font-size:13px;font-weight:700;background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(2px);
}
.pill-tag i{color:var(--yellow);font-size:12px}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--pill);padding:6px 14px;margin-bottom:14px;
}
.eyebrow.aqua{color:#008d81;background:var(--aqua-soft)}
.section-head p{color:var(--ink2);font-size:16px;margin:12px 0 0}

/* ===== 说明段落 + 色块拼贴 ===== */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.intro-copy p{color:var(--ink2);font-size:16.5px}
.intro-copy strong{color:var(--ink)}
.mosaic{display:grid;grid-template-columns:repeat(2,1fr);grid-auto-rows:minmax(112px,auto);gap:14px}
.mosaic-item{
  border-radius:var(--r-md);padding:18px;display:flex;flex-direction:column;justify-content:space-between;
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease;
}
.mosaic-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.mosaic-item i{font-size:16px;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.mosaic-item h3{font-size:15.5px;margin-bottom:4px}
.mosaic-item p{margin:0;font-size:13.5px;color:var(--ink2);line-height:1.65}
.mosaic-item.tone-orange{background:var(--brand-soft);border-color:rgba(255,77,46,.18)}
.mosaic-item.tone-orange i{background:var(--grad);color:#fff}
.mosaic-item.tone-aqua{background:var(--aqua-soft);border-color:rgba(0,184,169,.2)}
.mosaic-item.tone-aqua i{background:var(--aqua);color:#fff}
.mosaic-item.tone-yellow{background:#FFF9E6;border-color:rgba(255,197,55,.35)}
.mosaic-item.tone-yellow i{background:var(--yellow);color:#3c2f00}
.mosaic-item.tone-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.mosaic-item.tone-dark h3{color:#fff}
.mosaic-item.tone-dark p{color:rgba(255,255,255,.72)}
.mosaic-item.tone-dark i{background:rgba(255,255,255,.14);color:var(--yellow)}
.mosaic-item.wide{grid-column:span 2}

/* ===== 数据徽章网格 ===== */
.metrics{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  border:1px solid var(--line);border-radius:var(--r-md);padding:20px 18px;background:var(--page);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.24);background:#fff}
.metric .num{font-size:30px;font-weight:700;color:var(--brand);line-height:1.1;letter-spacing:-.5px}
.metric .unit{font-size:14px;font-weight:700;color:var(--ink2);margin-left:4px}
.metric .cap{display:flex;align-items:center;gap:7px;margin-top:10px;font-size:14px;color:var(--ink2)}
.metric .cap::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aqua);flex:0 0 auto}

/* ===== 登录表单模块 ===== */
.login-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh);display:grid;grid-template-columns:1fr 1fr;gap:38px;
}
.form-title{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.form-title .dot{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}
.form-note{font-size:14px;color:var(--ink2);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--ink2);margin-bottom:8px;font-weight:700}
.field input{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--ink3)}
.field input:focus{border:2px solid var(--brand);outline:none;box-shadow:0 0 0 4px rgba(0,184,169,.16)}
.field.has-error input{border:1.5px solid #E4573D;background:#FFF7F5}
.field .error-text{display:none;align-items:center;gap:6px;font-size:13px;color:#D4402A;margin-top:8px}
.field.has-error .error-text{display:flex}
.field-row{display:grid;grid-template-columns:1fr 130px;gap:12px}
.captcha-box{
  height:48px;border-radius:var(--r-sm);border:1px dashed var(--line);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--ink2);letter-spacing:3px;background:var(--aqua-soft);font-weight:700;
}
.form-links{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:14px;margin:16px 0 20px}
.assure{margin-top:16px;font-size:13px;color:var(--ink3);display:flex;align-items:center;gap:8px}
.assure i{color:var(--aqua)}
.safety-list{display:flex;flex-direction:column;gap:14px}
.safety-item{
  display:flex;gap:14px;padding:16px;border-radius:var(--r-md);background:var(--page);border:1px solid var(--line);
}
.safety-item i{color:var(--brand);width:20px;text-align:center;font-size:15px;margin-top:4px}
.safety-item h3{font-size:15.5px;margin-bottom:4px}
.safety-item p{margin:0;font-size:13.5px;color:var(--ink2);line-height:1.7}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.step .no{
  font-size:13px;font-weight:700;color:#fff;background:var(--grad);
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{margin:0;font-size:14px;color:var(--ink2);line-height:1.7}

/* ===== 内容卡片 ===== */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;height:100%;box-shadow:var(--sh);
  transition:transform .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--line)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:#008d81;
  border:1px solid rgba(0,184,169,.4);border-radius:var(--pill);font-size:12px;font-weight:700;padding:5px 12px;
}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;margin-bottom:8px}
.card-body p{font-size:14px;color:var(--ink2);margin:0 0 16px}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink3)}
.card-foot .link-more{font-size:13.5px;border-bottom-width:1.5px}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{border-color:rgba(255,77,46,.28)}
.faq-item[open]{box-shadow:var(--sh)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;
  padding:20px 22px 20px 26px;font-size:17px;font-weight:700;color:var(--ink);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .24s ease;
}
.faq-item[open] .faq-q::before{opacity:1}
.faq-q .plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item[open] .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{padding:0 22px 22px 26px;color:var(--ink2);font-size:15px;line-height:1.85;animation:fadeIn .24s ease}
.faq-a p:last-child{margin-bottom:0}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ===== CTA ===== */
.cta-band{padding:0 0 88px}
.cta-card{
  position:relative;background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--sh);padding:48px 40px;text-align:center;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);
}
.cta-card h2{margin-bottom:12px}
.cta-card p{color:var(--ink2);max-width:640px;margin:0 auto 26px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-foot{margin-top:20px;font-size:13.5px;color:var(--ink3);display:flex;align-items:center;justify-content:center;gap:8px}
.cta-foot i{color:var(--aqua)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;padding-top:4px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-main{padding:58px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .logo-mark{width:34px;height:34px;font-size:15px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col a{display:block;color:rgba(255,255,255,.68);font-size:14px;padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--yellow)}
.contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0}
.contact-line i{color:var(--aqua);margin-top:6px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 32px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.55);max-width:1200px;margin:0 auto;
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:var(--yellow)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:18px 24px 32px;overflow-y:auto;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
    border-top:1px solid var(--line);margin-left:0;
  }
  .main-nav.is-open{transform:none;opacity:1;visibility:visible}
  .main-nav > a,.drop-toggle{font-size:16px;padding:14px 4px;border-bottom:1px solid var(--line);width:100%;text-align:left}
  .main-nav > a.is-active::after{display:none}
  .main-nav > a.is-active{background:var(--brand-soft);border-radius:10px;padding-left:12px}
  .nav-drop{width:100%}
  .drop-toggle{display:flex;align-items:center;justify-content:space-between}
  .nav-drop-menu{
    position:static;transform:none;opacity:1;pointer-events:auto;display:none;
    box-shadow:none;border:0;border-radius:0;padding:4px 0 8px 0;min-width:0;background:transparent;
  }
  .nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{display:none}
  .nav-drop.is-open .nav-drop-menu{display:flex;transform:none}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .login-panel{grid-template-columns:1fr;gap:30px;padding:26px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:64px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-wrap{gap:12px;height:62px}
  :root{--nav-h:62px}
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;font-size:14px}
  .nav-actions .btn-ghost{display:none}
  .page-hero{min-height:230px;padding:34px 0}
  .section{padding:52px 0}
  .section.tight{padding:44px 0}
  .mosaic{grid-template-columns:1fr}
  .mosaic-item.wide{grid-column:span 1}
  .field-row{grid-template-columns:1fr}
  .cta-card{padding:34px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;padding:18px 20px}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
  .nav-actions{gap:6px}
  .nav-actions .btn{width:auto}
}