/* roulang page: index */
:root{
  --orange:#F2571E;--orange-h:#D2430E;--orange-a:#B8370A;--orange-l:#FDEDE6;
  --ink:#121417;--green:#10312B;--lime:#D6F04A;
  --bg:#F7F5F1;--bg-2:#EFEDE8;--card:#FFFFFF;
  --line:#E2DED7;--line-soft:#EFEDE8;--line-dark:rgba(255,255,255,.12);
  --t1:#14171A;--t2:#5A6068;--t3:#8A9099;
  --inv:#F2F0EC;--inv-2:rgba(255,255,255,.72);
  --ok:#1E7A5A;--warn:#C9891A;--err:#C0392B;--info:#2A6ED0;
  --r-sm:6px;--r-md:10px;--r-lg:16px;--r-xl:24px;--r-pill:999px;
  --sh1:0 1px 2px rgba(18,20,23,.05),0 8px 24px -12px rgba(18,20,23,.10);
  --sh2:0 2px 6px rgba(18,20,23,.06),0 24px 48px -24px rgba(18,20,23,.18);
  --sh-glow:0 12px 32px -12px rgba(242,87,30,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Archivo","DIN Alternate","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.85;color:var(--t1);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--t1);padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:1.75rem;line-height:1.25;font-weight:800;letter-spacing:-.01em}
.section-head p{margin-top:10px;color:var(--t2);font-size:15px;max-width:640px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--orange-h);font-weight:700;margin-bottom:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-pill);font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .16s var(--ease),box-shadow .22s var(--ease)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary:hover{background:var(--orange-h)}
.btn-primary:active{background:var(--orange-a);transform:scale(.98)}
.btn-secondary{background:#fff;border-color:#D9D4CC;color:var(--t1)}
.btn-secondary:hover{border-color:var(--orange);color:var(--orange-h)}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost-dark:hover{background:rgba(255,255,255,.1)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--orange-h);font-weight:600;font-size:15px;padding:0;height:auto;border:0;background:none;cursor:pointer}
.btn-link .arw{transition:transform .24s var(--ease)}
.btn-link:hover .arw{transform:translateX(4px)}
.btn-block{width:100%}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em;background:var(--orange-l);color:var(--orange-h);white-space:nowrap}
.badge-lime{background:rgba(214,240,74,.14);color:var(--lime)}
.badge-plain{background:var(--bg-2);color:var(--t2)}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .brand-bar{height:64px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--ink);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-tag{font-size:10px;color:var(--t3);letter-spacing:.14em}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{border-color:var(--orange);color:var(--orange-h)}
.icon-btn svg{width:19px;height:19px}
.text-link{font-size:15px;color:var(--t2);padding:0 6px}
.text-link:hover{color:var(--orange-h)}
.burger{display:none}

.channel-bar{border-top:1px solid var(--line);background:#fff;height:52px;display:flex;align-items:center;overflow-x:auto;scrollbar-width:none}
.channel-bar::-webkit-scrollbar{display:none}
.nav-channel{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:15px;color:var(--t2);white-space:nowrap;border-radius:8px 8px 0 0;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-channel:hover{background:var(--bg-2);color:var(--t1)}
.nav-channel.is-active{color:var(--t1);font-weight:600}
.nav-channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;background:var(--orange)}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(18,20,23,.5);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:90}
.drawer{position:fixed;top:0;right:0;width:288px;max-width:86vw;height:100%;background:#fff;z-index:95;transform:translateX(102%);transition:transform .3s var(--ease);display:flex;flex-direction:column;padding:20px;overflow-y:auto}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer a.drawer-item{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--r-md);font-size:15px;color:var(--t1)}
.drawer a.drawer-item:hover{background:var(--bg-2)}
.drawer a.drawer-item.is-active{color:var(--orange-h);font-weight:600;background:var(--orange-l)}
.drawer-cta{display:grid;gap:10px;margin-top:20px}
.drawer-note{margin-top:22px;font-size:13px;color:var(--t3);line-height:1.8}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--inv);padding:76px 0 84px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.6}
.hero-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,49,43,.95) 0%,rgba(16,49,43,.80) 46%,rgba(18,20,23,.52) 100%)}
.hero-grid{position:absolute;inset:0;opacity:.05;background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);background-size:64px 64px}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-title{font-size:clamp(2.25rem,5.2vw,3.5rem);line-height:1.08;font-weight:900;letter-spacing:-.03em;margin:18px 0 16px}
.hero-sub{font-size:17px;color:var(--inv-2);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;gap:0;margin-top:38px;flex-wrap:wrap}
.hero-trust li{display:flex;flex-direction:column;padding-right:26px;margin-right:26px;border-right:1px solid rgba(255,255,255,.2)}
.hero-trust li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-trust .num{font-size:26px;font-weight:700;color:#fff;line-height:1.1}
.hero-trust span:last-child{font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.06em;margin-top:4px}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--r-xl);box-shadow:var(--sh2);width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-chip{position:absolute;left:-18px;bottom:24px;background:#fff;color:var(--t1);border-radius:var(--r-lg);padding:14px 18px;box-shadow:var(--sh2);display:flex;align-items:center;gap:12px}
.hero-chip .dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(30,122,90,.14)}
.hero-chip strong{font-size:14px;display:block}
.hero-chip span{font-size:12px;color:var(--t3)}

/* steps */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#E7E2DA}
.step-no{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--orange);line-height:1}
.step-card h3{font-size:1.25rem;font-weight:700;margin:14px 0 10px}
.step-card p{color:var(--t2);font-size:15px}
.step-list{margin-top:16px;display:grid;gap:8px}
.step-list li{position:relative;padding-left:18px;font-size:14px;color:var(--t2)}
.step-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* ladder */
.ladder{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ladder::before{content:"";position:absolute;left:0;right:0;top:44px;height:1px;background:var(--line)}
.ladder-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.ladder-item:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.ladder-no{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--orange-h);background:var(--orange-l);border-radius:var(--r-pill);padding:3px 12px;display:inline-block}
.ladder-item h3{font-size:1.125rem;font-weight:700;margin:14px 0 8px}
.ladder-item>p{font-size:14px;color:var(--t2)}
.ladder-list{margin:14px 0 16px;display:grid;gap:8px}
.ladder-list li{position:relative;padding-left:18px;font-size:14px;color:var(--t2)}
.ladder-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* compare */
.compare{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.compare-col{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;position:relative;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.compare-col:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.compare-col.is-best{border-color:#F6C7AE;box-shadow:var(--sh2);transform:scale(1.02)}
.compare-col.is-best::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--orange)}
.compare-col .ribbon{position:absolute;top:16px;right:16px}
.compare-col h3{font-size:1.125rem;font-weight:700;margin-bottom:6px}
.compare-col .sub{font-size:13px;color:var(--t3);margin-bottom:18px}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;border-top:1px solid var(--line-soft);font-size:14px}
.compare-row .k{color:var(--t2)}
.compare-row .v{font-weight:600}
.yes{color:var(--orange-h)}
.no{color:var(--t3)}
.compare-col .btn{margin-top:20px}

/* countdown band */
.band{position:relative;overflow:hidden;background:var(--green);color:var(--inv);padding:80px 0}
.band-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.14}
.band-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center}
.band h2{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.15;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.band p{color:var(--inv-2);max-width:560px}
.countdown{display:flex;gap:14px}
.cd-box{width:104px;background:rgba(255,255,255,.08);border-radius:12px;padding:18px 12px;text-align:center;border:1px solid var(--line-dark)}
.cd-box .num{display:block;font-size:44px;font-weight:700;line-height:1;color:#fff}
.cd-box span:last-child{display:block;font-size:12px;color:rgba(255,255,255,.6);margin-top:8px;letter-spacing:.08em}
.band .btn{margin-top:26px}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb{overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:14px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);padding-top:12px;border-top:1px solid var(--line-soft)}
.news-meta .sep{width:1px;height:12px;background:var(--line)}
.news-meta .arw{margin-left:auto;color:var(--orange-h)}
.news-lead{grid-row:span 2}
.news-lead .news-thumb img{aspect-ratio:16/10}
.news-lead .news-title{font-size:22px;-webkit-line-clamp:2}
.news-lead .news-desc{-webkit-line-clamp:3}
.news-small{flex-direction:row;align-items:stretch}
.news-small .news-thumb{flex:0 0 168px}
.news-small .news-thumb img{height:100%;aspect-ratio:auto;min-height:150px}
.news-small .news-body{padding:18px}
.news-small .news-desc{-webkit-line-clamp:2}
.news-empty{border:1px dashed #D9D4CC;border-radius:var(--r-lg);padding:48px 24px;text-align:center;color:var(--t2);background:#fff}
.news-empty svg{width:34px;height:34px;color:var(--t3);margin:0 auto 12px}
.news-empty p{margin-bottom:14px}
.skeleton{border-radius:var(--r-lg);background:var(--bg-2);animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px}
.stat .num{font-size:38px;font-weight:700;line-height:1;color:var(--ink)}
.stat .num em{font-style:normal;font-size:18px;color:var(--orange-h);margin-left:4px}
.stat p{margin-top:10px;font-size:14px;color:var(--t2)}

/* faq */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:start}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;cursor:pointer;transition:color .2s var(--ease)}
.faq-q:hover{color:var(--orange-h)}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .24s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--orange-h);border-radius:2px}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 22px 20px;color:var(--t2);font-size:15px}

/* form */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.contact-col h2{font-size:1.75rem;font-weight:800;line-height:1.25;margin-bottom:16px}
.contact-col p{color:var(--t2);margin-bottom:20px}
.contact-points{display:grid;gap:12px;margin-top:24px}
.contact-points li{position:relative;padding-left:20px;font-size:14px;color:var(--t2)}
.contact-points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--orange)}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh1);padding:32px}
.form-row{display:grid;gap:8px;margin-bottom:18px}
.form-row label{font-size:13px;font-weight:500;color:var(--t2)}
.form-row input,.form-row select,.form-row textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.form-row textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:110px}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 2px rgba(242,87,30,.22)}
.form-row.has-error input,.form-row.has-error select,.form-row.has-error textarea{border-color:var(--err)}
.err-msg{font-size:13px;color:var(--err);display:none}
.form-row.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--t2);margin:6px 0 20px}
.check-row input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--orange)}
.form-note{font-size:12px;color:var(--t3);margin-top:12px}
.form-alert{display:none;align-items:center;gap:10px;background:#EAF5F0;border:1px solid #BFE0D2;color:var(--ok);border-radius:var(--r-md);padding:12px 16px;font-size:14px;margin-bottom:18px}
.form-alert.is-on{display:flex}

/* bottom cta */
.cta-band{background:var(--ink);color:var(--inv);border-radius:var(--r-xl);padding:48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta-band h2{font-size:1.75rem;font-weight:800;line-height:1.25;margin-bottom:10px}
.cta-band p{color:var(--inv-2)}

/* footer */
.site-footer{background:var(--green);color:var(--inv);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--inv-2);max-width:300px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:var(--inv-2);padding:6px 0;position:relative}
.footer-col a:hover{color:var(--orange)}
.footer-sub{display:flex;gap:10px;margin-top:14px}
.footer-sub input{flex:1;height:44px;border-radius:var(--r-md);border:1px solid var(--line-dark);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--orange)}
.footer-bottom{margin-top:56px;border-top:1px solid var(--line-dark);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--orange)}

/* back to top */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--sh2);display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s,transform .24s var(--ease);z-index:70}
.to-top.is-on{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);border-color:var(--orange);color:var(--orange-h)}
.to-top svg{width:18px;height:18px}

/* reveal */
body.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
body.js .reveal.is-in{opacity:1;transform:none}
.hero-title .line{display:block;clip-path:inset(0 0 100% 0);animation:lineIn .7s var(--ease) forwards}
.hero-title .line:nth-child(2){animation-delay:.08s}
@keyframes lineIn{to{clip-path:inset(0 0 0 0)}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  body.js .reveal{opacity:1;transform:none}
  .hero-title .line{clip-path:none}
}

/* responsive */
@media (max-width:1279px){
  .hero-title{font-size:clamp(2.1rem,4.6vw,3rem)}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:560px}
  .step-grid{grid-template-columns:1fr 1fr}
  .ladder{grid-template-columns:1fr 1fr}
  .ladder::before{display:none}
  .compare{grid-template-columns:1fr;gap:20px}
  .compare-col.is-best{transform:none}
  .band-inner{grid-template-columns:1fr;gap:32px}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-lead{grid-row:auto;grid-column:span 2}
  .news-lead .news-thumb img{aspect-ratio:16/9}
  .stats{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:899px){
  .channel-bar{display:none}
  .burger{display:grid}
  .brand-actions .text-link,.brand-actions .btn-secondary{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  body{font-size:15.5px;line-height:1.8}
  .hero{padding:56px 0 64px}
  .hero-trust li{padding-right:18px;margin-right:18px;margin-bottom:14px}
  .hero-trust .num{font-size:22px}
  .hero-actions .btn{width:100%}
  .hero-chip{left:0;bottom:12px}
  .step-grid{grid-template-columns:1fr}
  .ladder{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-lead{grid-column:auto}
  .news-small{flex-direction:column}
  .news-small .news-thumb{flex:none}
  .news-small .news-thumb img{min-height:0;aspect-ratio:16/9}
  .stats{grid-template-columns:1fr 1fr;gap:16px}
  .faq-grid{grid-template-columns:1fr}
  .faq-q{font-size:15px}
  .countdown{gap:10px}
  .cd-box{width:88px;padding:14px 8px}
  .cd-box .num{font-size:34px}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:519px){
  .brand-name{font-size:15px}
  .stats{grid-template-columns:1fr}
  .hero-title{font-size:1.95rem}
}

/* roulang page: category1 */
:root{
  --brand:#F2571E; --brand-h:#D2430E; --brand-a:#B8370A; --brand-soft:#FDEDE6;
  --deep:#10312B; --deep-2:#0C2621; --lime:#D6F04A;
  --ink:#121417;
  --bg:#F7F5F1; --bg-2:#EFEDE8; --card:#FFFFFF; --line:#E2DED7; --line-2:#D9D4CC;
  --t1:#14171A; --t2:#5A6068; --t3:#8A9099;
  --inv:#F2F0EC; --inv-2:rgba(255,255,255,.72); --inv-line:rgba(255,255,255,.12);
  --ok:#1E7A5A; --warn:#C9891A; --err:#C0392B; --info:#2A6ED0;
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-xl:24px; --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,20,23,.05),0 8px 24px -12px rgba(18,20,23,.10);
  --shadow-2:0 2px 6px rgba(18,20,23,.06),0 24px 48px -24px rgba(18,20,23,.18);
  --shadow-glow:0 12px 32px -12px rgba(242,87,30,.45);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Archivo","DIN Alternate",var(--font-sans);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:96px;
  --header-h:124px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:var(--r-sm)}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--brand-h)}
.btn-primary:active{background:var(--brand-a)}
.btn-secondary{background:#fff;border-color:var(--line-2);color:var(--t1)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.32);color:#fff}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.6)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;transition:gap .2s var(--ease),color .2s var(--ease)}
.btn-link:hover{gap:12px;color:var(--brand-h)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:var(--brand-soft);color:var(--brand);
}
.badge-dark{background:rgba(214,240,74,.14);color:var(--lime)}
.tag{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--t3);font-weight:600}

/* ---------- 站头 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff}
.brand-bar{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled .brand-bar{box-shadow:var(--shadow-1)}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .brand-bar-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:var(--r-md);background:var(--brand-soft);border:1px solid #F7D6C6;flex:none;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--t1)}
.brand-tag{font-size:10px;letter-spacing:.14em;color:var(--t3);margin-top:3px}
.brand-actions{display:flex;align-items:center;gap:14px}
.text-link{font-size:14px;font-weight:600;color:var(--t2);transition:color .2s var(--ease)}
.text-link:hover{color:var(--brand)}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.icon-btn svg{width:18px;height:18px}
.drawer-toggle{display:none}

/* ---------- 频道行 ---------- */
.channel-bar{background:var(--bg);border-bottom:1px solid var(--line);position:relative}
.channel-bar .container{gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-bar .container::-webkit-scrollbar{display:none}
.nav-channel{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;
  font-size:14.5px;font-weight:500;color:var(--t2);border-radius:8px;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-channel:hover{background:var(--bg-2);color:var(--t1)}
.nav-channel.is-active{color:var(--t1);font-weight:600}
.nav-channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--brand);
}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,20,23,.5);opacity:0;visibility:hidden;transition:opacity .28s var(--ease);z-index:120}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;width:280px;height:100%;background:#fff;z-index:130;
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-size:15px;font-weight:800}
.drawer a.drawer-item{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--r-md);
  font-size:15px;color:var(--t1);font-weight:500;
}
.drawer a.drawer-item:hover{background:var(--bg-2)}
.drawer a.drawer-item.is-active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.drawer-info{margin-top:18px;font-size:13px;color:var(--t3);line-height:1.7}

/* ---------- 内页 banner ---------- */
.page-banner{
  position:relative;min-height:300px;display:flex;align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(16,49,43,.95) 0%,rgba(16,49,43,.86) 42%,rgba(16,49,43,.42) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  color:var(--inv);padding:56px 0 48px;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
}
.page-banner .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--inv);font-weight:600}
.page-banner h1{
  font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.12;font-weight:800;
  letter-spacing:-.02em;max-width:820px;
}
.page-banner h1 em{font-style:normal;color:var(--lime)}
.banner-lead{max-width:660px;margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.78);line-height:1.9}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:1.75rem;font-weight:800;letter-spacing:-.02em}
.section-head p{margin-top:10px;font-size:14.5px;color:var(--t2);max-width:620px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand);margin-bottom:12px}

/* ---------- 数据条 ---------- */
.facts{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);margin-top:-48px;position:relative;z-index:5;
  display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;
}
.fact{padding:26px 30px;border-right:1px solid var(--line)}
.fact:last-child{border-right:none}
.fact-num{font-family:var(--font-num);font-size:2.5rem;font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--t1)}
.fact-num i{font-style:normal;font-size:1.25rem;color:var(--brand);margin-left:4px}
.fact-label{margin-top:10px;font-size:13px;color:var(--t2)}

/* ---------- 图文交替 ---------- */
.duo{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.duo + .duo{margin-top:80px}
.duo.reverse .duo-media{order:2}
.duo-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2)}
.duo-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s var(--ease)}
.duo-media:hover img{transform:scale(1.05)}
.duo-media .media-tag{
  position:absolute;left:16px;top:16px;background:rgba(18,20,23,.72);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.06em;padding:6px 12px;border-radius:var(--r-pill);
  backdrop-filter:saturate(120%);
}
.duo-body h3{font-size:1.25rem;font-weight:700;margin-bottom:14px}
.duo-body p{color:var(--t2);font-size:15.5px}
.steps{margin-top:22px;counter-reset:s;display:flex;flex-direction:column;gap:12px}
.steps li{position:relative;padding-left:38px;font-size:15px;color:var(--t1)}
.steps li::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);font-family:var(--font-num);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.note{
  margin-top:20px;display:flex;gap:10px;padding:14px 16px;border-radius:var(--r-md);
  background:var(--bg-2);border-left:3px solid var(--info);font-size:14px;color:var(--t2);
}
.note svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--info)}

/* ---------- 要点清单 ---------- */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--shadow-1);
}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 36px;margin-top:28px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--t2);line-height:1.75}
.check-list svg{width:20px;height:20px;flex:none;margin-top:4px;color:var(--brand)}
.check-list strong{color:var(--t1);font-weight:600}

/* ---------- 适配建议 ---------- */
.fit-list{border-top:1px solid var(--line)}
.fit-row{
  display:grid;grid-template-columns:180px 1fr 200px;gap:28px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--line);transition:background-color .2s var(--ease);
}
.fit-row:hover{background:#fff}
.fit-row .fit-key{font-size:15px;font-weight:700}
.fit-row .fit-key span{display:block;font-family:var(--font-num);font-size:12px;letter-spacing:.14em;color:var(--t3);font-weight:700;margin-bottom:4px}
.fit-row .fit-desc{font-size:14.5px;color:var(--t2)}
.fit-row .fit-act{text-align:right}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;background-color:var(--deep);color:var(--inv);overflow:hidden;
  background-image:linear-gradient(100deg,rgba(12,38,33,.96) 0%,rgba(12,38,33,.88) 55%,rgba(12,38,33,.62) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.cta-band .container{padding-top:80px;padding-bottom:80px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.cta-band h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;letter-spacing:-.02em}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15.5px;max-width:600px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:var(--inv);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.site-footer .brand-name{color:var(--inv)}
.site-footer .brand-tag{color:rgba(255,255,255,.5)}
.site-footer .brand-mark{background:rgba(255,255,255,.06);border-color:var(--inv-line)}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--inv-2);line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;letter-spacing:.08em;font-weight:700;margin-bottom:18px;color:#fff}
.footer-col a{display:block;font-size:14px;color:var(--inv-2);padding:7px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-sub{display:flex;gap:8px}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-md);border:1px solid var(--inv-line);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,87,30,.25)}
.footer-bottom{
  border-top:1px solid var(--inv-line);padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:var(--t1);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
  z-index:90;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--brand);border-color:var(--brand)}
.to-top svg{width:20px;height:20px}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 20px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .drawer-toggle{display:inline-flex}
  .brand-actions .text-link,.brand-actions .btn-secondary{display:none}
  .duo{grid-template-columns:1fr;gap:28px}
  .duo.reverse .duo-media{order:0}
  .check-list{grid-template-columns:1fr}
  .fit-row{grid-template-columns:1fr;gap:12px;align-items:flex-start}
  .fit-row .fit-act{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band .container{grid-template-columns:1fr;gap:26px}
  .facts{margin-top:-32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  body{font-size:15.5px;line-height:1.8}
  .brand-name{font-size:15px}
  .brand-bar-inner{height:60px}
  .facts{grid-template-columns:1fr;margin-top:0;border-radius:var(--r-lg)}
  .fact{border-right:none;border-bottom:1px solid var(--line);padding:20px 22px}
  .fact:last-child{border-bottom:none}
  .fact-num{font-size:2rem}
  .page-banner{min-height:280px;padding:40px 0 36px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .check-panel{padding:26px 20px}
  .btn{height:44px;padding:0 22px}
  .banner-actions .btn{width:100%}
  .cta-band .container{padding-top:56px;padding-bottom:56px}
  .cta-band .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .duo-media .media-tag{left:12px;top:12px}
  .page-banner h1{letter-spacing:-.01em}
}

/* roulang page: article */
:root{
  --orange:#F2571E; --orange-h:#D2430E; --orange-a:#B8370A; --orange-tint:#FDEDE6;
  --ink:#121417; --pine:#10312B; --lime:#D6F04A;
  --bg:#F7F5F1; --bg-2:#EFEDE8; --card:#FFFFFF;
  --line:#E2DED7; --line-2:#D9D4CC; --line-dark:rgba(255,255,255,.12);
  --t1:#14171A; --t2:#5A6068; --t3:#8A9099;
  --inv:#F2F0EC; --inv-2:rgba(255,255,255,.72);
  --ok:#1E7A5A; --warn:#C9891A; --err:#C0392B; --info:#2A6ED0;
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-xl:24px; --r-pill:999px;
  --sh1:0 1px 2px rgba(18,20,23,.05), 0 8px 24px -12px rgba(18,20,23,.10);
  --sh2:0 2px 6px rgba(18,20,23,.06), 0 24px 48px -24px rgba(18,20,23,.18);
  --glow:0 12px 32px -12px rgba(242,87,30,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Archivo","DIN Alternate",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.85;
  color:var(--t1);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--orange);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-md) 0;z-index:999}
.skip-link:focus{left:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap}
.btn svg{transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--orange-h)}
.btn-primary:active{background:var(--orange-a);transform:scale(.98)}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line-2);border-radius:var(--r-md)}
.btn-secondary:hover{border-color:var(--orange);color:var(--orange)}
.btn-ghost-dark{background:transparent;color:#fff;border-color:var(--line-dark);border-radius:var(--r-md)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:600;font-size:14px}
.btn-link svg{transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- badge ---------- */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;background:var(--orange-tint);color:var(--orange)}
.badge-dark{background:rgba(214,240,74,.14);color:var(--lime)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;transition:box-shadow .24s var(--ease)}
.site-header.is-stuck{box-shadow:var(--sh1)}
.brand-row{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .24s var(--ease)}
.site-header.is-stuck .brand-row{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:21px;height:21px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-tag{font-size:10px;color:var(--t3);letter-spacing:.14em;margin-top:2px}
.brand-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;display:inline-flex;
  align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{border-color:var(--orange);color:var(--orange)}
.text-link{font-size:14px;color:var(--t2);font-weight:500}
.text-link:hover{color:var(--orange)}
.menu-btn{display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer}

/* ---------- channel bar ---------- */
.channel-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:4px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.nav-channel{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:14.5px;
  color:var(--t2);white-space:nowrap;border-radius:8px;transition:background .2s var(--ease),color .2s var(--ease)}
.nav-channel:hover{background:var(--bg-2);color:var(--t1)}
.nav-channel.is-active{color:var(--t1);font-weight:600}
.nav-channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--orange)}

/* ---------- drawer ---------- */
.scrim{position:fixed;inset:0;background:rgba(18,20,23,.5);opacity:0;visibility:hidden;transition:opacity .28s var(--ease);z-index:190}
.scrim.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;width:280px;max-width:86vw;height:100%;background:#fff;z-index:200;
  transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer nav{display:flex;flex-direction:column;gap:2px}
.drawer nav a{height:48px;display:flex;align-items:center;padding:0 12px;border-radius:var(--r-md);font-size:15px;color:var(--t2)}
.drawer nav a:hover{background:var(--bg-2);color:var(--t1)}
.drawer .drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}

/* ---------- page shell ---------- */
main{display:block}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);padding:28px 0 0}
.crumb a:hover{color:var(--orange)}
.crumb .sep{color:var(--line-2)}
.crumb .now{color:var(--t1);font-weight:600}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:28px 0 72px}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:32px}
.article-head h1{font-size:clamp(1.75rem,3.4vw,2.5rem);line-height:1.25;font-weight:800;letter-spacing:-.02em;margin:16px 0 18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--t3)}
.meta-row .bar{width:1px;height:12px;background:var(--line-2)}
.cover-wrap{margin-top:26px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1)}
.cover-wrap img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}

/* ---------- prose ---------- */
.prose-cn{max-width:780px;font-size:17px;line-height:1.9;color:var(--t1)}
.prose-cn p{margin:0 0 1.25em}
.prose-cn h2{font-size:24px;line-height:1.35;font-weight:800;margin:40px 0 16px;padding-left:12px;border-left:4px solid var(--orange)}
.prose-cn h3{font-size:19px;line-height:1.4;font-weight:700;margin:28px 0 12px}
.prose-cn h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.prose-cn ul{margin:0 0 1.25em;padding-left:22px}
.prose-cn ul li{position:relative;margin-bottom:10px}
.prose-cn ul li::before{content:"";position:absolute;left:-18px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--orange)}
.prose-cn ol{margin:0 0 1.25em;padding-left:24px;list-style:decimal}
.prose-cn ol li{margin-bottom:10px}
.prose-cn blockquote{margin:24px 0;padding:16px 22px;background:var(--bg);border-left:3px solid var(--orange);
  border-radius:0 12px 12px 0;color:var(--t2);font-style:normal}
.prose-cn img{border-radius:12px;margin:24px auto 10px;height:auto}
.prose-cn figure{margin:24px 0}
.prose-cn figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px}
.prose-cn a{color:var(--orange);text-decoration:underline;text-underline-offset:3px}
.prose-cn a:hover{color:var(--orange-h)}
.prose-cn strong{font-weight:700}
.prose-cn code{background:var(--bg-2);padding:2px 6px;border-radius:var(--r-sm);font-size:.92em}
.prose-cn table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.prose-cn thead th{background:var(--ink);color:#fff;text-align:left;padding:12px 14px;font-weight:600}
.prose-cn tbody td{padding:12px 14px;border-bottom:1px solid var(--line)}
.prose-cn tbody tr:nth-child(even){background:var(--bg-2)}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- empty ---------- */
.empty-state{border:1px dashed var(--line-2);border-radius:var(--r-lg);padding:48px 24px;text-align:center;background:#fff}
.empty-state svg{width:44px;height:44px;color:var(--t3);margin:0 auto 14px}
.empty-title{font-size:19px;font-weight:700;margin-bottom:8px}
.empty-desc{font-size:14px;color:var(--t2);margin-bottom:20px}

/* ---------- article foot ---------- */
.article-foot{max-width:780px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:12.5px;color:var(--t2)}
.tag:hover{border-color:var(--orange);color:var(--orange)}

/* ---------- aside ---------- */
.article-aside{display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh1)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--orange)}
.rank-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-no{font-family:var(--font-num);font-size:20px;line-height:1.2;font-weight:700;color:var(--line-2);flex:0 0 auto;width:26px}
.rank-list li:nth-child(1) .rank-no,.rank-list li:nth-child(2) .rank-no,.rank-list li:nth-child(3) .rank-no{color:var(--orange)}
.rank-list a{font-size:14px;line-height:1.6;color:var(--t1)}
.rank-list a:hover{color:var(--orange)}
.side-cta{background:var(--pine);border-radius:var(--r-lg);padding:26px 22px;color:#fff}
.side-cta h3{font-size:18px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:13.5px;line-height:1.8;color:var(--inv-2);margin-bottom:18px}
.side-cta .btn{width:100%}

/* ---------- related ---------- */
.related-section{background:var(--bg-2);padding:72px 0;margin-top:8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-head h2{font-size:clamp(1.4rem,2.4vw,1.75rem);font-weight:800;letter-spacing:-.01em}
.sec-head p{font-size:14px;color:var(--t2);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;
  flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--line-2)}
.card-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--bg-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.05)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);border-top:1px solid var(--line)}

/* ---------- dark cta ---------- */
.dark-cta{background:var(--pine);padding:64px 0;color:#fff;position:relative;overflow:hidden}
.dark-cta::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;opacity:.12}
.dark-cta .container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.dark-cta h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.3;margin-bottom:10px}
.dark-cta p{font-size:15px;color:var(--inv-2);max-width:560px}

/* ---------- footer ---------- */
.site-footer{background:var(--pine);color:var(--inv);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-brand .brand-name{color:#fff;font-size:15px}
.footer-brand .brand-tag{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--inv-2);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:var(--inv-2);padding:6px 0;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--orange);text-decoration:underline;text-underline-offset:3px}
.footer-sub{display:flex;gap:8px}
.footer-sub input{flex:1;min-width:0;height:44px;border-radius:var(--r-md);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px}
.footer-sub input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 2px rgba(242,87,30,.35);background:#fff;color:var(--ink)}
.footer-bottom{border-top:1px solid var(--line-dark);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--orange)}

/* ---------- back to top ---------- */
#toTop{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--t1);display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--sh1);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .24s var(--ease);z-index:90}
#toTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#toTop:hover{border-color:var(--orange);color:var(--orange)}

/* ---------- responsive ---------- */
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px}
  .article-aside{position:sticky;top:96px;align-self:start}
}
@media (max-width:1023px){
  .article-aside{order:2}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .brand-actions .text-link,.brand-actions .btn-secondary{display:none}
  .menu-btn{display:inline-flex}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-row{height:60px}
  .site-header.is-stuck .brand-row{height:56px}
  .brand-name{font-size:14.5px}
  .channel-inner{height:48px}
  .nav-channel{height:48px;padding:0 12px;font-size:14px}
  .nav-channel.is-active::after{left:12px;right:12px}
  .crumb{padding-top:20px}
  .article-layout{padding:20px 0 56px;gap:32px}
  .prose-cn{font-size:16px}
  .related-section{padding:56px 0}
  .card-grid{grid-template-columns:1fr}
  .dark-cta{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-sub{flex-wrap:wrap}
  .footer-sub .btn{width:100%}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .prose-cn{font-size:15px;line-height:1.8}
  .prose-cn h2{font-size:21px}
  .prose-cn h3{font-size:18px}
  .btn{height:44px;padding:0 22px}
  .brand-actions .btn-primary{height:40px;padding:0 16px;font-size:14px}
  .article-head h1{font-size:1.6rem}
  #toTop{right:16px;bottom:16px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --brand:#F2571E; --brand-h:#D2430E; --brand-a:#B8370A; --brand-soft:#FDEDE6;
  --ink:#121417; --pine:#10312B; --lime:#D6F04A;
  --bg:#F7F5F1; --bg-2:#EFEDE8; --card:#FFFFFF;
  --line:#E2DED7; --line-soft:#D9D4CC; --line-dark:rgba(255,255,255,.12);
  --t1:#14171A; --t2:#5A6068; --t3:#8A9099;
  --inv:#F2F0EC; --inv-2:rgba(255,255,255,.72);
  --ok:#1E7A5A; --warn:#C9891A; --err:#C0392B; --info:#2A6ED0;
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-xl:24px; --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,20,23,.05), 0 8px 24px -12px rgba(18,20,23,.10);
  --shadow-2:0 2px 6px rgba(18,20,23,.06), 0 24px 48px -24px rgba(18,20,23,.18);
  --shadow-glow:0 12px 32px -12px rgba(242,87,30,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Archivo","DIN Alternate",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:1.75rem;line-height:1.25;font-weight:800;letter-spacing:-.01em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-num);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.lead{color:var(--t2);font-size:16px;max-width:720px}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;transition:gap .2s var(--ease),color .2s var(--ease)}
.arrow-link:hover{gap:12px;color:var(--brand-h)}
.arrow-link svg{width:16px;height:16px}

/* 按钮体系 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--brand-h)}
.btn-primary:active{background:var(--brand-a);transform:scale(.98)}
.btn-secondary{background:#fff;border-color:var(--line-soft);color:var(--t1);border-radius:var(--r-md)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;border-radius:var(--r-md)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em}
.badge-soft{background:var(--brand-soft);color:var(--brand-h)}
.badge-dark{background:rgba(214,240,74,.14);color:var(--lime)}
.badge-line{border:1px solid var(--line);color:var(--t2);background:#fff}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80}
.brandbar{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled .brandbar{box-shadow:var(--shadow-1)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .brandbar-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand-soft);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-tag{font-size:10px;letter-spacing:.18em;color:var(--t3);text-transform:uppercase}
.brandbar-actions{display:flex;align-items:center;gap:14px}
.icon-btn{width:40px;height:40px;border-radius:var(--r-md);display:inline-flex;align-items:center;justify-content:center;color:var(--t2);transition:background .18s var(--ease),color .18s var(--ease)}
.icon-btn:hover{background:var(--bg-2);color:var(--t1)}
.icon-btn svg{width:20px;height:20px}
.text-link{font-size:15px;color:var(--t2);transition:color .18s var(--ease)}
.text-link:hover{color:var(--brand)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--line);align-items:center;justify-content:center;color:var(--t1)}
.menu-toggle svg{width:20px;height:20px}

.channel-bar{background:#F7F5F1;border-bottom:1px solid var(--line);position:relative}
.channel-inner{display:flex;align-items:center;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.nav-channel{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:15px;color:var(--t2);white-space:nowrap;border-radius:8px;transition:background .18s var(--ease),color .18s var(--ease)}
.nav-channel:hover{background:var(--bg-2);color:var(--t1)}
.nav-channel.is-active{color:var(--t1);font-weight:600}
.nav-channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:3px;border-radius:2px;background:var(--brand)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(18,20,23,.5);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;background:#fff;z-index:100;transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-head span{font-weight:700}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0}
.drawer-nav a{display:flex;align-items:center;height:48px;padding:0 20px;color:var(--t2);font-size:15px;border-bottom:1px solid rgba(226,222,215,.6)}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-cta{display:flex;flex-direction:column;gap:12px;padding:20px}
.drawer-contact{padding:0 20px 28px;font-size:13px;color:var(--t3);line-height:1.9}

/* 内页 Banner */
.page-banner{position:relative;background:var(--pine);color:var(--inv);overflow:hidden}
.banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45}
.banner-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,49,43,.95) 0%,rgba(16,49,43,.72) 55%,rgba(16,49,43,.42) 100%)}
.banner-inner{position:relative;padding:80px 0 64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.66);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{color:rgba(255,255,255,.32)}
.crumb .current{color:#fff;font-weight:600}
.banner-inner h1{font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.12;font-weight:800;letter-spacing:-.02em;margin:16px 0 18px;max-width:900px}
.banner-sub{font-size:16px;color:var(--inv-2);max-width:700px;line-height:1.9}
.banner-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;font-size:13px;color:rgba(255,255,255,.6)}
.banner-meta span{display:inline-flex;align-items:center;gap:6px}
.banner-meta i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}

/* 数据条 */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-num{font-family:var(--font-num);font-size:clamp(2.4rem,5vw,3.4rem);line-height:1;font-weight:800;color:var(--pine);letter-spacing:-.02em}
.stat-num em{font-style:normal;color:var(--brand);font-size:.5em;margin-left:4px;font-weight:700}
.stat-label{font-size:12px;letter-spacing:.08em;color:var(--t3);margin-top:8px;text-transform:uppercase}
.stat-text{font-size:14px;color:var(--t2);margin-top:10px}

/* 时间线 */
.timeline-wrap{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:56px;align-items:start}
.timeline{position:relative;padding-left:56px}
.timeline::before{content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;background:var(--line);border-radius:2px}
.tl-progress{position:absolute;left:19px;top:14px;width:2px;height:0;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-a));transition:height 1.4s var(--ease)}
.timeline.is-drawn .tl-progress{height:calc(100% - 28px)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-56px;top:0;width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--brand);box-shadow:var(--shadow-1)}
.tl-item h3{font-size:1.25rem;line-height:1.35;font-weight:700;margin-bottom:8px}
.tl-item p{color:var(--t2);font-size:15px}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.tl-tags span{font-size:12px;color:var(--t2);background:var(--bg-2);border-radius:var(--r-pill);padding:4px 12px}

/* 侧栏卡 */
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1)}
.aside-card + .aside-card{margin-top:20px}
.aside-card h3{font-size:1.05rem;font-weight:700;margin-bottom:14px}
.aside-card p{font-size:14px;color:var(--t2)}
.aside-list li{display:flex;gap:10px;font-size:14px;color:var(--t2);padding:9px 0;border-bottom:1px dashed var(--line)}
.aside-list li:last-child{border-bottom:0}
.aside-list b{font-family:var(--font-num);color:var(--brand);font-size:15px;flex:0 0 auto}
.aside-card.dark{background:var(--pine);border-color:transparent;color:var(--inv)}
.aside-card.dark p{color:var(--inv-2)}
.aside-card.dark .btn{margin-top:16px;width:100%}

/* 风险识别 */
.risk-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.risk-figure{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2);position:relative}
.risk-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.risk-figure:hover img{transform:scale(1.05)}
.risk-figure figcaption{position:absolute;left:18px;bottom:18px;background:rgba(18,20,23,.72);color:#fff;font-size:12px;padding:6px 14px;border-radius:var(--r-pill)}
.risk-list{margin-top:26px;display:grid;gap:14px}
.risk-list li{position:relative;padding-left:26px;font-size:15px;color:var(--t2);line-height:1.75}
.risk-list li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;background:var(--brand)}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:30px;font-size:15px;color:var(--t2)}
.check-list li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--brand-soft)}
.check-list li::after{content:"";position:absolute;left:6px;top:11px;width:6px;height:3px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}

/* 深色提示带 */
.alert-band{background:var(--ink);color:var(--inv);padding:64px 0;position:relative;overflow:hidden}
.alert-band::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(242,87,30,.28),transparent 68%)}
.alert-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center}
.alert-grid h2{font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;line-height:1.2;margin-bottom:12px}
.alert-grid p{color:var(--inv-2);font-size:15px;max-width:620px}
.alert-steps{display:flex;gap:26px;flex-wrap:wrap;margin-top:22px}
.alert-steps span{font-size:13px;color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:8px}
.alert-steps b{font-family:var(--font-num);color:var(--lime);font-size:16px}

/* CTA 带 */
.cta-band{background:var(--pine);color:var(--inv);padding:64px 0}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}
.cta-grid h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;line-height:1.22;margin-bottom:10px}
.cta-grid p{color:var(--inv-2);font-size:15px;max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--pine);color:var(--inv);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;color:var(--inv-2);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--inv-2);padding:6px 0;position:relative;transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-col a:hover{color:var(--brand);padding-left:6px}
.footer-sub{display:flex;gap:8px}
.footer-sub input{flex:1;min-width:0;height:44px;border-radius:var(--r-md);border:1px solid var(--line-dark);background:rgba(255,255,255,.06);padding:0 14px;color:#fff;font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.footer-sub input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 2px rgba(242,87,30,.4);background:rgba(255,255,255,.1)}
.footer-bottom{border-top:1px solid var(--line-dark);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.56)}
.footer-bottom a{color:rgba(255,255,255,.7);transition:color .18s var(--ease)}
.footer-bottom a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-glow);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .24s var(--ease);z-index:70}
.back-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--brand-h)}
.back-top svg{width:20px;height:20px}

@media (max-width:1279px){
  .timeline-wrap{grid-template-columns:1fr;gap:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .risk-layout{grid-template-columns:1fr;gap:32px}
  .risk-figure{order:-1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brandbar-actions .text-link,.brandbar-actions .btn-secondary{display:none}
  .menu-toggle{display:inline-flex}
  .brand-name{font-size:14px}
  .section{padding:56px 0}
  .stat-row{grid-template-columns:1fr}
  .alert-grid,.cta-grid{grid-template-columns:1fr}
  .banner-inner{padding:56px 0 44px}
  .alert-band,.cta-band{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:559px){
  body{font-size:15px;line-height:1.8}
  .btn{width:100%;height:44px}
  .brandbar-actions .btn-primary{width:auto;padding:0 18px;height:40px}
  .cta-actions .btn,.alert-grid .btn{width:100%}
  .timeline{padding-left:48px}
  .tl-dot{left:-48px;width:34px;height:34px;font-size:14px}
  .timeline::before,.tl-progress{left:16px}
  .back-top{width:44px;height:44px;right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand:#F2571E;
  --brand-h:#D2430E;
  --brand-a:#B8370A;
  --brand-soft:#FDEDE6;
  --dark:#121417;
  --deep:#10312B;
  --lime:#D6F04A;
  --bg:#F7F5F1;
  --bg-2:#EFEDE8;
  --card:#FFFFFF;
  --line:#E2DED7;
  --line-2:#D9D4CC;
  --line-dark:rgba(255,255,255,.12);
  --text:#14171A;
  --text-2:#5A6068;
  --text-3:#8A9099;
  --inv:#F2F0EC;
  --inv-2:rgba(255,255,255,.72);
  --ok:#1E7A5A;
  --warn:#C9891A;
  --err:#C0392B;
  --info:#2A6ED0;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,20,23,.05),0 8px 24px -12px rgba(18,20,23,.10);
  --shadow-2:0 2px 6px rgba(18,20,23,.06),0 24px 48px -24px rgba(18,20,23,.18);
  --shadow-glow:0 12px 32px -12px rgba(242,87,30,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Archivo","DIN Alternate",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:999}
.skip-link:focus{left:0}
.container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}
.font-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .18s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--brand-h);transform:translateY(-1px)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary:active{background:var(--brand-a);transform:scale(.98)}
.btn-secondary{background:#fff;color:var(--text);border-color:var(--line-2)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);border-color:#fff}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px}
.btn-link svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(4px)}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s var(--ease);color:var(--text-2);flex:0 0 auto;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.icon-btn svg{width:18px;height:18px}
.text-link{font-size:14px;font-weight:500;color:var(--text-2);transition:color .2s var(--ease)}
.text-link:hover{color:var(--brand)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--brand-soft);color:var(--brand);
}
.badge-dark{background:rgba(214,240,74,.14);color:var(--lime)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-sm);
  font-size:12px;letter-spacing:.04em;background:var(--bg-2);color:var(--text-2);
}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.brand-row{border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled .brand-row{box-shadow:var(--shadow-1)}
.brand-row-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .brand-row-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text)}
.brand-tag{font-size:10px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase}
.brand-actions{display:flex;align-items:center;gap:14px}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--text)
}
.menu-btn svg{width:20px;height:20px}

/* ---------- 频道行 ---------- */
.channel-bar{background:var(--bg);border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.channel-bar::-webkit-scrollbar{display:none}
.channel-bar .container{gap:6px;flex-wrap:nowrap;min-width:max-content}
.nav-channel{
  display:inline-flex;align-items:center;height:52px;padding:0 14px;
  font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;
  border-bottom:3px solid transparent;transition:color .2s var(--ease),background .2s var(--ease);
  border-radius:8px 8px 0 0;
}
.nav-channel:hover{background:var(--bg-2);color:var(--text)}
.nav-channel.is-active{font-weight:600;color:var(--text);border-bottom-color:var(--brand)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,20,23,.5);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-title{font-size:15px;font-weight:700}
.drawer a.drawer-item{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--r-md);
  font-size:15px;color:var(--text-2);border-bottom:1px solid var(--bg-2)
}
.drawer a.drawer-item:hover{background:var(--bg);color:var(--brand)}
.drawer a.drawer-item.is-active{color:var(--text);font-weight:600}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.drawer-info{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.9}

/* ---------- 内页 banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--deep)}
.page-banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,49,43,.94) 0%,rgba(16,49,43,.74) 48%,rgba(16,49,43,.42) 100%);
}
.page-banner-inner{position:relative;z-index:2;padding:44px 0 56px;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .current{color:#fff;font-weight:600}
.page-banner h1{
  font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.12;font-weight:800;
  color:#fff;letter-spacing:-.02em;max-width:900px;
}
.page-banner p{margin-top:18px;max-width:780px;color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.9}
.banner-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}

/* ---------- 区块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-2);padding:96px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:1.75rem;line-height:1.25;font-weight:800;letter-spacing:-.01em}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}

/* 数据条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease)
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-num{font-family:var(--font-num);font-size:3rem;line-height:1;font-weight:700;color:var(--brand);display:flex;align-items:baseline;gap:6px}
.stat-num small{font-size:15px;font-weight:600;color:var(--text-2);font-family:var(--font-sans)}
.stat-label{margin-top:14px;font-size:13px;color:var(--text-2);line-height:1.7}

/* 对比表 */
.compare-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);overflow:hidden}
.table-compare{width:100%;border-collapse:separate;border-spacing:0}
.table-compare thead th{
  background:var(--bg-2);text-align:left;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--text-2);padding:18px 20px;border-bottom:1px solid var(--line);
}
.table-compare thead th:first-child{color:var(--text-3)}
.table-compare thead th.plan-head{background:var(--deep);color:#fff;position:relative}
.table-compare thead th.plan-head span{display:block;font-size:16px;font-weight:800;letter-spacing:0;color:#fff}
.table-compare thead th.plan-head em{display:block;font-style:normal;font-size:12px;margin-top:4px;color:rgba(255,255,255,.7);letter-spacing:.04em}
.table-compare tbody td{
  padding:18px 20px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);
  vertical-align:top;line-height:1.7;
}
.table-compare tbody tr:last-child td{border-bottom:0}
.table-compare tbody td:first-child{
  font-weight:600;color:var(--text);background:#FCFBF9;width:190px;font-size:14.5px;
}
.table-compare tbody td.is-rec{background:rgba(242,87,30,.045);color:var(--text)}
.table-note{margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.8}

/* 选择建议 */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.fit-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow-1);
}
.fit-card h3{font-size:1.15rem;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.fit-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:14px;font-size:15px;color:var(--text-2);line-height:1.8
}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;width:12px;height:7px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}
.check-list li:last-child{margin-bottom:0}

/* FAQ */
.faq-folds{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.faq-col{display:flex;flex-direction:column;gap:16px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .25s var(--ease)
}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 auto;border-radius:50%;
  background:var(--brand-soft);transition:transform .24s var(--ease),background .24s var(--ease)
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%)
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-a{height:0;overflow:hidden;transition:height .24s var(--ease)}
.faq-a-inner{padding:0 22px 22px;font-size:14.8px;color:var(--text-2);line-height:1.9;border-top:1px solid var(--bg-2);padding-top:16px;margin:0 22px 22px;padding-left:0;padding-right:0}

/* CTA 带 */
.cta-band{background:var(--deep);position:relative;overflow:hidden;padding:72px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  opacity:.14;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:1.75rem;font-weight:800;color:#fff;line-height:1.25;letter-spacing:-.01em}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:620px}

/* 页脚 */
.site-footer{background:var(--deep);color:var(--inv-2);padding:72px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)
}
.footer-brand .brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;color:var(--inv-2);line-height:1.9;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--inv-2);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-sub{display:flex;gap:8px}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color .2s var(--ease)
}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,87,30,.22)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0;font-size:13px;flex-wrap:wrap;color:rgba(255,255,255,.55)
}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--brand);text-decoration:underline}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-glow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),visibility .25s var(--ease),transform .25s var(--ease),background .2s var(--ease);
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-h)}
.to-top svg{width:20px;height:20px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section,.section-alt{padding:72px 0}
  .brand-actions .text-link,.brand-actions .btn-secondary{display:none}
  .menu-btn{display:inline-flex}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section,.section-alt{padding:56px 0}
  .page-banner-inner{padding:32px 0 40px;min-height:auto}
  .table-compare thead{display:none}
  .table-compare,.table-compare tbody,.table-compare tr,.table-compare td{display:block;width:100%}
  .compare-wrap{background:transparent;border:0;box-shadow:none;overflow:visible}
  .table-compare tr{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:18px;margin-bottom:16px;box-shadow:var(--shadow-1)
  }
  .table-compare tbody td{
    border:0;border-bottom:1px dashed var(--line);padding:10px 0;
    display:flex;align-items:flex-start;justify-content:space-between;gap:18px;font-size:14.5px;background:none
  }
  .table-compare tbody tr td:last-child{border-bottom:0;padding-bottom:0}
  .table-compare tbody td:first-child{
    display:block;width:auto;background:none;font-size:16px;font-weight:700;color:var(--text);
    padding:0 0 10px;border-bottom:1px solid var(--bg-2)
  }
  .table-compare tbody td[data-plan]::before{content:attr(data-plan);color:var(--text-3);font-size:13px;flex:0 0 auto}
  .table-compare tbody td>span{text-align:right;max-width:62%}
  .fit-grid{grid-template-columns:1fr}
  .faq-folds{grid-template-columns:1fr;gap:16px}
  .faq-q{font-size:15px;padding:18px}
  .faq-a-inner{font-size:14.5px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .btn{height:44px;padding:0 20px}
  .stat-grid{grid-template-columns:1fr}
  .stat-num{font-size:2.5rem}
  .brand-name{font-size:15px}
  .brand-actions{gap:8px}
  .brand-actions .btn-primary{height:42px;padding:0 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* roulang page: category4 */
:root{
  --brand:#F2571E; --brand-h:#D2430E; --brand-a:#B8370A; --brand-soft:#FDEDE6;
  --ink:#121417; --pine:#10312B; --pine-2:#0C2721; --lime:#D6F04A;
  --bg:#F7F5F1; --bg-2:#EFEDE8; --card:#FFFFFF;
  --line:#E2DED7; --line-2:#D9D4CC; --line-dark:rgba(255,255,255,.12);
  --t1:#14171A; --t2:#5A6068; --t3:#8A9099;
  --inv-1:#F2F0EC; --inv-2:rgba(255,255,255,.72);
  --ok:#1E7A5A; --warn:#C9891A; --err:#C0392B; --info:#2A6ED0;
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-xl:24px; --pill:999px;
  --sh1:0 1px 2px rgba(18,20,23,.05), 0 8px 24px -12px rgba(18,20,23,.10);
  --sh2:0 2px 6px rgba(18,20,23,.06), 0 24px 48px -24px rgba(18,20,23,.18);
  --glow:0 12px 32px -12px rgba(242,87,30,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Condensed","Archivo","DIN Alternate",var(--font-sans);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.85;color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h2{font-size:1.75rem;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h3{font-size:1.25rem;line-height:1.35;font-weight:700}
:focus-visible{outline:3px solid rgba(242,87,30,.55);outline-offset:2px;border-radius:var(--r-sm)}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  border-radius:var(--pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),box-shadow .24s var(--ease);
}
.btn .arrow{transition:transform .24s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--brand-h)}
.btn-primary:active{background:var(--brand-a);transform:scale(.98)}
.btn-secondary{background:#fff;border-color:var(--line-2);color:var(--t1)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost-dark:hover{background:rgba(255,255,255,.1)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;height:auto;
  color:var(--brand);font-weight:600;font-size:14px;cursor:pointer;
}
.btn-link:hover{color:var(--brand-h);text-decoration:underline;text-underline-offset:3px}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-md);background:var(--ink);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-tag{font-size:10px;letter-spacing:.18em;color:var(--t3);font-weight:500}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.icon-btn svg{width:18px;height:18px}
.text-link{font-size:14px;font-weight:600;color:var(--t2);padding:6px 4px;transition:color .2s var(--ease)}
.text-link:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--pill);border:1px solid var(--line);background:#fff;
  place-items:center;cursor:pointer;
}
.nav-toggle svg{width:18px;height:18px}

/* ---------- 频道行 ---------- */
.channel-bar{background:var(--bg);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;height:52px;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.nav-channel{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:14.5px;
  font-weight:500;color:var(--t2);white-space:nowrap;border-radius:var(--r-sm);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.nav-channel:hover{background:var(--bg-2);color:var(--t1)}
.nav-channel.is-active{font-weight:700;color:var(--t1)}
.nav-channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:3px;border-radius:3px;background:var(--brand);
}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,20,23,.5);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;
  padding:20px 20px 28px;overflow-y:auto;box-shadow:var(--sh2);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-size:15px;font-weight:800}
.drawer-list{display:flex;flex-direction:column;margin:6px 0 18px}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--r-md);font-size:15px;
  font-weight:500;color:var(--t2);border-bottom:1px solid var(--line);
}
.drawer-link:hover{background:var(--bg-2);color:var(--t1)}
.drawer-link.is-active{color:var(--brand);font-weight:700}
.drawer-cta{display:flex;flex-direction:column;gap:10px}
.drawer-meta{font-size:12px;color:var(--t3);margin-top:16px;line-height:1.7}

/* ---------- 内页 banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.page-banner__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.04);animation:bannerIn 800ms var(--ease) forwards;
}
@keyframes bannerIn{to{transform:scale(1)}}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,49,43,.94) 0%,rgba(16,49,43,.82) 45%,rgba(18,20,23,.6) 100%);
}
.page-banner__inner{position:relative;z-index:2;padding:44px 24px 52px;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{font-weight:600;color:rgba(255,255,255,.92)}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;letter-spacing:.08em;font-weight:600;background:var(--brand-soft);color:var(--brand);margin-bottom:16px;
}
.eyebrow-dark{background:rgba(214,240,74,.14);color:var(--lime)}
.page-banner h1{
  font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.12;font-weight:800;letter-spacing:-.02em;
  max-width:22em;
}
.banner-lead{font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);margin-top:16px;max-width:640px}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 区块 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:var(--bg-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head p{color:var(--t2);font-size:15px;max-width:620px;margin-top:10px}
.section-head h2 .mark{color:var(--brand)}

/* ---------- 信息条 ---------- */
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--r-lg);padding:22px 24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.info-item:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.info-item h3{font-size:16px;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.info-item h3 svg{width:18px;height:18px;flex:0 0 auto}
.info-item p{font-size:14px;color:var(--t2);line-height:1.75}

/* ---------- 赛事大卡网格 ---------- */
.event-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.event-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.event-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#DAD4CB}
.event-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.event-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease)}
.event-card:hover .event-card__media img{transform:scale(1.05)}
.event-card__media .badge{
  position:absolute;left:14px;top:14px;background:var(--brand-soft);color:var(--brand);
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;background:var(--brand-soft);color:var(--brand);
}
.event-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.event-card__body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px}
.event-card__body p{font-size:14px;color:var(--t2);line-height:1.75;margin-bottom:18px}
.event-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.meta-line{font-size:13px;color:var(--t3)}

/* ---------- 标签带 ---------- */
.tag-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;
  display:grid;grid-template-columns:320px 1fr;gap:32px;align-items:center;
}
.tag-band h2{font-size:1.35rem;margin-bottom:10px}
.tag-band p{font-size:14px;color:var(--t2)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--pill);
  border:1px solid var(--line-2);background:var(--bg);font-size:13.5px;font-weight:600;color:var(--t2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh1);transform:translateY(-2px)}
.faq-item h3{font-size:16px;display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.faq-num{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-sm);padding:2px 8px;flex:0 0 auto;line-height:1.6;
}
.faq-item p{font-size:14px;color:var(--t2);line-height:1.8}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.contact-copy h2{margin-bottom:16px}
.contact-copy > p{color:var(--t2);font-size:15px;line-height:1.85}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--t2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2.5px solid var(--brand);
  border-bottom:2.5px solid var(--brand);transform:rotate(-45deg);border-radius:1px;
}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh1);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--t2);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r-md);
  padding:0 14px;height:48px;font-size:15px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:112px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,87,30,.18);
}
.field.has-error input,.field.has-error select{border-color:var(--err);box-shadow:0 0 0 3px rgba(192,57,43,.12)}
.field .err{font-size:13px;color:var(--err);display:none}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--t2)}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex:0 0 auto}
.form-foot{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.form-note{font-size:12px;color:var(--t3)}
.alert{display:none;border-radius:var(--r-md);padding:12px 16px;font-size:14px;margin-bottom:20px}
.alert.is-on{display:block}
.alert-success{background:rgba(30,122,90,.1);border:1px solid rgba(30,122,90,.3);color:var(--ok)}
.alert-error{background:rgba(192,57,43,.08);border:1px solid rgba(192,57,43,.28);color:var(--err)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--pine);color:#fff;position:relative;overflow:hidden}
.cta-band__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.14;
}
.cta-band__inner{
  position:relative;z-index:2;padding:72px 0;display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.1rem);max-width:16em}
.cta-band p{color:var(--inv-2);font-size:15px;margin-top:12px;max-width:34em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--pine);color:var(--inv-1);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:rgba(255,255,255,.5)}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-brand p{font-size:14px;color:var(--inv-2);line-height:1.8;margin-top:16px;max-width:32em}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;color:#fff}
.footer-col a{display:block;font-size:14px;color:var(--inv-2);padding:6px 0;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-sub{display:flex;gap:8px}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-md);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,87,30,.25)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0 28px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:var(--pill);border:0;
  background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:var(--glow);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;z-index:70;
}
.back-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.back-top svg{width:20px;height:20px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .channel-bar{display:none}
  .nav-toggle{display:grid}
  .text-link{display:none}
  .tag-band{grid-template-columns:1fr;gap:22px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  :root{--sec:72px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:15.5px;line-height:1.8}
  .brand-name{font-size:15px;max-width:44vw}
  .header-inner{height:60px}
  .site-header.is-scrolled .header-inner{height:56px}
  .info-strip{grid-template-columns:1fr}
  .event-grid{grid-template-columns:1fr}
  .faq-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .cta-band__inner{padding:56px 0}
  .page-banner__inner{padding:36px 16px 44px;min-height:260px}
  :root{--sec:56px}
}
@media (max-width:560px){
  .btn{height:44px;padding:0 22px;font-size:14.5px}
  .banner-actions{flex-direction:column;align-items:stretch}
  .banner-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .header-actions .btn-secondary{display:none}
}