/* roulang page: index */
:root{
  --c-primary:#E0432B;
  --c-primary-deep:#A82A16;
  --c-primary-soft:#FDEDE8;
  --c-ink:#10222B;
  --c-ink-2:#4A5C66;
  --c-ink-3:#8A9AA2;
  --c-line:#E4E8E9;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-accent:#C6F24E;
  --c-accent-ink:#5F8615;
  --grad-brand:linear-gradient(118deg,#D9371F 0%,#E0432B 46%,#F08238 100%);
  --grad-deep:linear-gradient(150deg,#10222B 0%,#1D3A46 100%);
  --shadow-1:0 1px 2px rgba(16,34,43,.05),0 10px 28px -16px rgba(16,34,43,.22);
  --shadow-2:0 6px 16px rgba(16,34,43,.10),0 24px 48px -24px rgba(16,34,43,.30);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-ink);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);}
a:hover{color:var(--c-primary-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(224,67,43,.28);outline-offset:2px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:clamp(56px,8vw,104px) 0;}
.num{font-variant-numeric:tabular-nums;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* ---------- topbar ---------- */
.topbar{background:var(--grad-deep);color:rgba(255,255,255,.78);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;gap:24px;width:100%;}
.notice{display:flex;align-items:center;gap:10px;min-width:0;flex:1;}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:none;box-shadow:0 0 0 4px rgba(198,242,78,.15);}
.notice-track{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:20px;flex:none;}
.topbar-right a{color:rgba(255,255,255,.86);font-weight:600;}
.topbar-right a:hover{color:var(--c-accent);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow var(--ease);}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-main{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:flex;align-items:center;gap:12px;flex:none;}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px -10px rgba(224,67,43,.9);}
.logo-mark svg{width:22px;height:22px;}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.2px;color:var(--c-ink);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--c-primary);}
.search{flex:1;max-width:640px;position:relative;display:flex;align-items:center;height:48px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;box-shadow:inset 0 1px 2px rgba(16,34,43,.05);transition:border-color var(--ease),box-shadow var(--ease);}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.16);}
.search-icon{width:20px;height:20px;margin-left:18px;color:var(--c-primary);flex:none;}
.search input{flex:1;height:100%;border:0;background:transparent;padding:0 12px;font-size:15px;outline:none;}
.search input::placeholder{color:var(--c-ink-3);}
.search-btn{height:36px;margin-right:6px;padding:0 20px;border-radius:999px;background:var(--grad-brand);color:#fff;font-weight:700;font-size:14px;flex:none;transition:filter var(--ease),transform var(--ease);}
.search-btn:hover{filter:brightness(1.06);}
.search-btn:active{transform:translateY(1px);}
.nav-actions{display:flex;align-items:center;gap:16px;flex:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);white-space:nowrap;}
.btn-primary{background:var(--grad-brand);color:#fff;padding:0 24px;height:44px;font-size:15px;box-shadow:0 10px 24px -14px rgba(224,67,43,.9);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{height:44px;padding:0 22px;font-size:15px;color:var(--c-primary-deep);border:1.5px solid var(--c-primary);background:var(--c-surface);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-text{font-size:14px;font-weight:700;color:var(--c-ink-2);}
.btn-text:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px;}
.icon-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);align-items:center;justify-content:center;color:var(--c-ink);}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- chips ---------- */
.chip-row{border-top:1px solid var(--c-line);background:var(--c-surface);}
.chip-scroll{display:flex;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);font-size:12.5px;color:var(--c-ink-2);white-space:nowrap;transition:all var(--ease);}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
.chip.is-active{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700;}

/* ---------- mobile drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,34,43,.6);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);background:var(--c-surface);z-index:90;transform:translateX(100%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);padding:24px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--c-ink-2);}
.drawer-nav a{display:block;padding:14px 12px;border-radius:12px;font-size:16px;font-weight:600;}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.drawer-search{display:flex;align-items:center;height:46px;border:1px solid var(--c-line);border-radius:999px;padding:0 16px;gap:10px;margin-bottom:20px;}
.drawer-search input{border:0;background:transparent;outline:none;flex:1;font-size:15px;}
.drawer-cta{width:100%;margin-top:20px;}

/* ---------- hero ---------- */
.hero{padding:clamp(40px,6vw,72px) 0 clamp(24px,4vw,48px);}
.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:13px;font-weight:700;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.25;font-weight:800;letter-spacing:-.5px;}
.hero h1 .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:20px;font-size:17px;color:var(--c-ink-2);max-width:40ch;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-micro{margin-top:26px;display:flex;flex-wrap:wrap;gap:22px;}
.hero-micro li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);}
.hero-micro svg{width:16px;height:16px;color:var(--c-primary);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:24px;border-bottom:6px solid var(--c-primary);box-shadow:0 30px 60px -34px rgba(16,34,43,.55);}
.hero-badge{position:absolute;top:16px;right:-12px;background:var(--c-surface);border-radius:var(--r-sm);padding:14px 18px;box-shadow:var(--shadow-1);border:1px solid var(--c-line);}
.hero-badge strong{display:block;font-size:28px;font-weight:800;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero-badge span{font-size:12px;color:var(--c-ink-3);}
.hero-chips{position:absolute;left:16px;bottom:16px;display:flex;gap:8px;flex-wrap:wrap;}
.hero-chips .chip{background:rgba(255,255,255,.94);border-color:transparent;box-shadow:var(--shadow-1);color:var(--c-ink);font-weight:600;}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,4vw,44px);}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:750;letter-spacing:-.3px;}
.sec-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px;max-width:56ch;}
.sec-more{font-size:14px;font-weight:700;color:var(--c-primary-deep);white-space:nowrap;}
.sec-more:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.pain-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;transition:transform var(--ease),box-shadow var(--ease);}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.pain-a{grid-column:span 7;flex-direction:row;align-items:center;gap:24px;}
.pain-a .pain-body{flex:1;}
.pain-b{grid-column:span 5;}
.pain-c{grid-column:span 4;}
.pain-num{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary-deep);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;flex:none;}
.pain-card h3{font-size:18px;font-weight:700;line-height:1.5;}
.pain-card p{font-size:15px;color:var(--c-ink-2);line-height:1.75;}
.pain-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--c-primary-deep);display:inline-flex;align-items:center;gap:6px;}
.pain-link:hover{gap:10px;}
.pain-thumb{width:180px;flex:none;border-radius:var(--r-sm);overflow:hidden;}
.pain-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- solutions ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.sol-card{position:relative;overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:16px;transition:transform var(--ease),box-shadow var(--ease);}
.sol-card::before{content:"";position:absolute;top:0;left:0;height:4px;width:0;background:var(--grad-brand);transition:width 320ms cubic-bezier(.2,.7,.3,1);}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.sol-card:hover::before{width:100%;}
.sol-wide{grid-column:span 7;flex-direction:row;align-items:center;gap:28px;}
.sol-tall{grid-column:span 5;}
.sol-half{grid-column:span 6;}
.sol-ico{width:48px;height:48px;border-radius:16px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 12px 24px -16px rgba(224,67,43,.95);}
.sol-ico svg{width:24px;height:24px;color:#fff;}
.sol-card h3{font-size:20px;font-weight:700;}
.sol-card ul{display:flex;flex-direction:column;gap:8px;}
.sol-card li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);}
.sol-card li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.sol-cta{margin-top:auto;font-size:14px;font-weight:700;color:var(--c-primary-deep);display:inline-flex;align-items:center;gap:6px;}
.sol-cta:hover{gap:10px;}
.sol-media{border-radius:var(--r-md);overflow:hidden;flex:none;width:260px;}
.sol-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.sol-card:hover .sol-media img{transform:scale(1.04);}

/* ---------- stats ---------- */
.stats{background:var(--grad-deep);border-radius:28px;padding:clamp(36px,5vw,60px);position:relative;overflow:hidden;}
.stats::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:18px 18px;opacity:.5;pointer-events:none;}
.stats-head{position:relative;z-index:1;margin-bottom:36px;}
.stats-head h2{color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:750;}
.stats-head p{color:rgba(255,255,255,.72);margin-top:10px;font-size:15px;max-width:52ch;}
.stats-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:24px;}
.stat-card strong{display:block;font-size:clamp(32px,4vw,48px);font-weight:800;line-height:1.1;background:linear-gradient(100deg,#C6F24E 0%,#F5B368 100%);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.stat-card em{font-style:normal;font-size:14px;font-weight:700;color:rgba(255,255,255,.9);margin-left:4px;}
.stat-card span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6;}

/* ---------- news (CMS) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease);}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.news-cover{position:relative;display:block;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--c-primary-deep);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--c-ink-3);}
.news-foot .read{font-weight:700;color:var(--c-primary-deep);font-size:13px;}
.news-empty{grid-column:1/-1;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);padding:56px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;}
.news-empty svg{width:44px;height:44px;color:var(--c-ink-3);}
.news-empty p{color:var(--c-ink-2);font-size:15px;}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;position:relative;}
.step{position:relative;padding:0 18px 0 0;}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--c-surface);border:1.5px solid var(--c-primary);color:var(--c-primary-deep);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;margin-bottom:16px;position:relative;z-index:1;}
.step::after{content:"";position:absolute;top:22px;left:44px;right:0;border-top:1px dashed var(--c-line);}
.step:last-child::after{display:none;}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-ink-2);line-height:1.75;}

/* ---------- faq ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item.is-open{border-color:var(--c-primary);box-shadow:var(--shadow-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--c-ink);}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-sign{flex:none;width:24px;height:24px;position:relative;transition:transform var(--ease);}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-sign::before{top:11px;left:4px;width:16px;height:2px;}
.faq-sign::after{left:11px;top:4px;width:2px;height:16px;transition:transform var(--ease),opacity var(--ease);}
.faq-item.is-open .faq-sign{transform:rotate(180deg);}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.7,.3,1);}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.contact-points{display:flex;flex-direction:column;gap:18px;}
.contact-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--c-ink-2);}
.contact-points svg{width:20px;height:20px;color:var(--c-accent-ink);flex:none;margin-top:4px;}
.privacy-note{margin-top:22px;font-size:12.5px;color:var(--c-ink-3);line-height:1.7;}
.form-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-1);overflow:hidden;}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;font-weight:700;color:var(--c-ink);}
.field input,.field select,.field textarea{height:48px;border:1px solid var(--c-line);border-radius:12px;padding:0 16px;font-size:15px;background:var(--c-surface);outline:none;transition:border-color var(--ease),box-shadow var(--ease);}
.field textarea{height:120px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.16);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-primary);}
.field .err{display:none;font-size:13px;color:var(--c-primary-deep);}
.field.has-error .err{display:block;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--c-ink-2);line-height:1.7;margin-bottom:20px;}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);flex:none;}
.check a{color:var(--c-primary-deep);font-weight:700;}
.form-submit{width:100%;height:50px;font-size:16px;}
.form-success{display:none;align-items:center;gap:10px;font-size:14px;color:var(--c-accent-ink);font-weight:700;margin-top:14px;}
.form-success.is-visible{display:flex;}

/* ---------- privacy bar ---------- */
.privacy-bar{margin-top:28px;background:var(--c-primary-soft);border-radius:var(--r-md);padding:20px 24px;display:flex;align-items:flex-start;gap:14px;}
.privacy-bar svg{width:20px;height:20px;color:var(--c-primary-deep);flex:none;margin-top:3px;}
.privacy-bar p{font-size:13px;color:var(--c-ink-2);line-height:1.75;}
.privacy-bar a{color:var(--c-primary-deep);font-weight:700;}

/* ---------- footer ---------- */
.site-footer{background:var(--grad-deep);color:rgba(255,255,255,.72);margin-top:clamp(56px,8vw,96px);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:clamp(44px,6vw,64px) 0 40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:34ch;}
.social{display:flex;gap:12px;margin-top:20px;}
.social a{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);font-size:13px;font-weight:700;}
.social a:hover{border-color:var(--c-accent);color:var(--c-accent);}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{font-size:14px;margin-bottom:12px;line-height:1.7;}
.qr{width:96px;height:96px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.6);margin-top:14px;text-align:center;padding:8px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- floating cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;height:52px;padding:0 26px;border-radius:999px;background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:8px;box-shadow:var(--shadow-2);transition:transform var(--ease);}
.float-cta:hover{color:#fff;transform:translateY(-2px);}
.modal-mask{position:fixed;inset:0;background:rgba(16,34,43,.6);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{position:relative;width:100%;max-width:480px;background:var(--c-surface);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-2);transform:translateY(12px);transition:transform 220ms cubic-bezier(.2,.7,.3,1);max-height:90vh;overflow-y:auto;}
.modal-mask.is-open .modal{transform:translateY(0);}
.modal h3{font-size:20px;font-weight:750;margin-bottom:8px;}
.modal .modal-sub{font-size:14px;color:var(--c-ink-2);margin-bottom:22px;}
.modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-ink-2);}
.modal-close:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-badge{right:8px;}
}
@media (max-width:1023px){
  .nav-actions .btn-text{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .pain-a,.pain-b,.pain-c{grid-column:span 6;}
  .pain-a{flex-direction:column;align-items:flex-start;}
  .pain-thumb{width:100%;}
  .sol-wide,.sol-tall,.sol-half{grid-column:span 6;}
  .sol-wide{flex-direction:column;align-items:flex-start;}
  .sol-media{width:100%;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .process{grid-template-columns:repeat(2,1fr);gap:32px;}
  .step::after{display:none;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .topbar-right{display:none;}
  .search{display:none;}
  .nav-actions .btn-primary{display:none;}
  .icon-btn{display:flex;}
  .nav-main{height:64px;gap:12px;justify-content:space-between;}
  .pain-a,.pain-b,.pain-c,.sol-wide,.sol-tall,.sol-half{grid-column:span 12;}
  .news-grid{grid-template-columns:1fr;}
  .process{grid-template-columns:1fr;gap:28px;}
  .step{padding-right:0;border-left:2px solid var(--c-line);padding-left:24px;}
  .step-num{margin-left:-36px;background:var(--c-surface);}
  .form-row{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .float-cta{right:16px;bottom:16px;height:56px;width:56px;padding:0;justify-content:center;font-size:0;}
  .float-cta svg{width:22px;height:22px;}
  .modal-mask{align-items:flex-end;padding:0;}
  .modal{max-width:none;border-radius:24px 24px 0 0;transform:translateY(100%);}
  .modal-mask.is-open .modal{transform:translateY(0);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .stats-grid{grid-template-columns:1fr;}
  .stats{padding:28px 20px;border-radius:22px;}
  .hero-badge{padding:10px 14px;}
  .hero-badge strong{font-size:22px;}
  .form-card{padding:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#E0432B;
  --c-primary-deep:#A82A16;
  --c-primary-soft:#FDEDE8;
  --c-ink:#10222B;
  --c-ink-2:#4A5C66;
  --c-ink-3:#8A9AA2;
  --c-line:#E4E8E9;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-accent:#C6F24E;
  --c-accent-ink:#5F8615;
  --grad-brand:linear-gradient(118deg,#D9371F 0%,#E0432B 46%,#F08238 100%);
  --grad-deep:linear-gradient(150deg,#10222B 0%,#1D3A46 100%);
  --shadow-1:0 1px 2px rgba(16,34,43,.05),0 10px 28px -16px rgba(16,34,43,.22);
  --shadow-2:0 6px 16px rgba(16,34,43,.10),0 24px 48px -24px rgba(16,34,43,.30);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
  --pad-sec:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-ink);text-decoration:none;transition:color var(--t),text-decoration-color var(--t)}
a:hover{color:var(--c-primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(224,67,43,.22);outline-offset:2px;border-radius:8px;
}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:750;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num,.fig{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media(max-width:767px){.container{padding:0 16px}}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--grad-deep);color:rgba(255,255,255,.78);font-size:13px;height:36px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar .notice{display:flex;align-items:center;gap:8px;min-width:0}
.topbar .notice i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none}
.topbar .notice span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .meta{display:flex;align-items:center;gap:18px;flex:none}
.topbar .meta a{color:rgba(255,255,255,.78)}
.topbar .meta a:hover{color:#fff}
@media(max-width:767px){.topbar .meta{display:none}}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-main{display:flex;align-items:center;gap:20px;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:none;
  box-shadow:0 6px 14px -8px rgba(224,67,43,.9);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.2px;color:var(--c-ink);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-primary)}
.search{
  flex:1;max-width:640px;height:48px;display:flex;align-items:center;gap:10px;
  padding:0 6px 0 16px;border:1px solid var(--c-line);border-radius:999px;
  background:var(--c-surface);box-shadow:inset 0 1px 2px rgba(16,34,43,.05);
  transition:border-color var(--t),box-shadow var(--t);
}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.16)}
.search-icon{width:20px;height:20px;color:var(--c-primary);flex:none}
.search input{flex:1;min-width:0;border:none;background:transparent;height:44px;font-size:15px}
.search input:focus{outline:none}
.search input::placeholder{color:var(--c-ink-3)}
.search-btn{
  height:38px;padding:0 20px;border-radius:999px;background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:14px;flex:none;transition:filter var(--t),transform var(--t);
}
.search-btn:hover{filter:brightness(1.06)}
.search-btn:active{transform:translateY(1px)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 22px -14px rgba(224,67,43,.95)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:var(--c-surface);color:var(--c-primary-deep);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{color:var(--c-ink-2);font-size:15px;font-weight:600}
.btn-text:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  display:none;align-items:center;justify-content:center;color:var(--c-ink);
  transition:border-color var(--t),background-color var(--t);
}
.icon-btn:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
@media(max-width:1023px){
  .search{max-width:420px}
}
@media(max-width:899px){
  .nav-actions .btn-primary,.nav-actions .btn-text{display:none}
  .icon-btn{display:inline-flex}
  .search{display:none}
}
/* ============ chip 行 ============ */
.chip-row{border-top:1px solid var(--c-line);background:var(--c-surface)}
.chip-scroll{
  display:flex;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:none;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);font-size:13px;line-height:30px;
  transition:border-color var(--t),background-color var(--t),color var(--t);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep)}
.chip.is-active{background:var(--c-primary-soft);border-color:rgba(224,67,43,.35);color:var(--c-primary-deep);font-weight:700}

/* ============ 面包屑 ============ */
.crumb{padding:20px 0 0;font-size:14px;color:var(--c-ink-3)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-primary-deep)}
.crumb li::after{content:"/";margin-left:8px;color:var(--c-ink-3)}
.crumb li:last-child::after{display:none}
.crumb li:last-child{color:var(--c-ink-3)}

/* ============ Hero ============ */
.hero{padding:clamp(32px,5vw,56px) 0 var(--pad-sec)}
.hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:13px;font-weight:700;letter-spacing:.4px;
}
.hero h1{
  margin-top:20px;font-size:clamp(30px,4.6vw,48px);line-height:1.25;font-weight:800;letter-spacing:-.5px;
}
.hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{margin-top:18px;font-size:17px;color:var(--c-ink-2);max-width:40ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-mini{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line)}
.hero-mini li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.hero-mini svg{width:18px;height:18px;color:var(--c-primary);flex:none}
.hero-media{position:relative}
.hero-media .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;
  background:var(--grad-brand);box-shadow:0 30px 60px -34px rgba(16,34,43,.55);
  border-bottom:6px solid transparent;
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover}
.hero-media .frame::after{
  content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--grad-brand);
}
.hero-badge{
  position:absolute;top:-18px;right:-12px;background:var(--c-surface);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--shadow-2);border:1px solid var(--c-line);
}
.hero-badge b{display:block;font-size:32px;line-height:1.1;font-weight:800;color:var(--c-primary)}
.hero-badge span{font-size:12px;color:var(--c-ink-3)}
.hero-chips{position:absolute;left:20px;bottom:22px;display:flex;gap:8px;flex-wrap:wrap}
.hero-chips span{
  background:rgba(255,255,255,.92);color:var(--c-primary-deep);font-size:12px;font-weight:700;
  padding:6px 12px;border-radius:999px;
}
@media(max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{order:-1}
  .hero-badge{top:12px;right:12px;padding:12px 16px}
}
@media(max-width:520px){
  .hero-badge b{font-size:24px}
  .hero-actions .btn{width:100%}
}

/* ============ 通用板块 ============ */
.section{padding:0 0 var(--pad-sec)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-kicker{font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--c-primary-deep);text-transform:uppercase}
.sec-title{margin-top:10px;font-size:clamp(24px,3.2vw,34px);line-height:1.3}
.sec-lead{margin-top:12px;font-size:15px;color:var(--c-ink-2);max-width:56ch}
.sec-link{flex:none;font-size:14px;font-weight:700;color:var(--c-primary-deep)}
.sec-link:hover{text-decoration:underline;text-underline-offset:3px}
@media(max-width:767px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ============ 能力概览卡 ============ */
.cap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cap-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:28px 26px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t);
}
.cap-card::before{
  content:"";position:absolute;top:0;left:0;height:4px;width:0;background:var(--grad-brand);transition:width 320ms var(--ease);
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cap-card:hover::before{width:100%}
.cap-icon{
  width:48px;height:48px;border-radius:14px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.cap-icon svg{width:24px;height:24px}
.cap-card h3{margin-top:18px;font-size:19px}
.cap-card p{margin-top:10px;font-size:15px;color:var(--c-ink-2)}
.cap-card ul{margin-top:16px;display:grid;gap:8px}
.cap-card li{position:relative;padding-left:16px;font-size:14px;color:var(--c-ink-2)}
.cap-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
@media(max-width:1023px){.cap-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.cap-grid{grid-template-columns:1fr}}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:center}
.split + .split{margin-top:72px}
.split-media{border-radius:20px;overflow:hidden;aspect-ratio:16/10;background:var(--grad-brand);box-shadow:var(--shadow-1)}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split h3{font-size:clamp(22px,2.6vw,28px);line-height:1.35}
.split p{margin-top:16px;font-size:15px;color:var(--c-ink-2);max-width:44ch}
.split .points{margin-top:22px;display:grid;gap:12px}
.split .points li{display:flex;gap:12px;font-size:15px;color:var(--c-ink-2)}
.split .points strong{color:var(--c-ink);font-weight:700;display:block}
.split .points i{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid rgba(224,67,43,.4);
  color:var(--c-primary-deep);font-size:12px;font-style:normal;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.split.reverse .split-media{order:2}
@media(max-width:899px){
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:52px}
}

/* ============ 深色数据区 ============ */
.deep{
  background:var(--grad-deep);border-radius:28px;padding:clamp(32px,5vw,56px);
  position:relative;overflow:hidden;color:#fff;
}
.deep::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.deep > *{position:relative;z-index:1}
.deep h2{color:#fff;font-size:clamp(22px,3vw,30px);max-width:24ch}
.deep .deep-lead{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px;max-width:52ch}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px}
.stat{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;
  padding:22px;transition:background-color var(--t),transform var(--t);
}
.stat:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.stat b{
  display:block;font-size:clamp(32px,4vw,48px);font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,#C6F24E 0%,#F0C04A 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat small{font-size:12px;color:rgba(255,255,255,.6);margin-left:4px}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.72)}
@media(max-width:899px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ============ 频道封面墙 ============ */
.wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.cover-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cover-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-brand)}
.cover-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.cover-card:hover .cover-thumb img{transform:scale(1.04)}
.cover-tag{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--c-primary-deep);
  font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;
}
.cover-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.cover-body h3{font-size:17px;line-height:1.5}
.cover-body p{font-size:14px;color:var(--c-ink-2);flex:1}
.cover-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--c-line);font-size:12px;color:var(--c-ink-3);
}
.cover-foot a{color:var(--c-primary-deep);font-weight:700}
.cover-foot a:hover{text-decoration:underline;text-underline-offset:3px}
@media(max-width:1023px){.wall{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.wall{grid-template-columns:1fr}}

/* ============ 排行 / 清单 ============ */
.rank{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:12px 24px;box-shadow:var(--shadow-1)}
.rank li{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--c-line)}
.rank li:last-child{border-bottom:none}
.rank .no{
  flex:none;width:32px;height:32px;border-radius:10px;background:var(--c-primary-soft);
  color:var(--c-primary-deep);font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.rank .no.top{background:var(--grad-brand);color:#fff}
.rank .txt{flex:1;min-width:0}
.rank .txt strong{display:block;font-size:16px;font-weight:700}
.rank .txt span{font-size:13px;color:var(--c-ink-3)}
.rank .val{flex:none;font-size:14px;font-weight:700;color:var(--c-ink-2)}
@media(max-width:560px){
  .rank{padding:8px 16px}
  .rank .val{display:none}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item:hover{border-color:rgba(224,67,43,.35);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--c-ink);
}
.faq-q .sign{
  flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary-deep);
  transition:transform var(--t),border-color var(--t),background-color var(--t);
}
.faq-item.open .faq-q .sign{transform:rotate(180deg);background:var(--c-primary-soft);border-color:rgba(224,67,43,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease)}
.faq-a p{padding:0 24px 24px;font-size:15px;color:var(--c-ink-2);line-height:1.8;max-width:60ch}

/* ============ CTA 横条 ============ */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-lg);padding:clamp(28px,4vw,44px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;
  box-shadow:0 30px 60px -36px rgba(224,67,43,.9);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35;max-width:26ch}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.86);font-size:14px;max-width:46ch}
.cta-band .btn{background:#fff;color:var(--c-primary-deep);flex:none}
.cta-band .btn:hover{color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(16,34,43,.6)}
@media(max-width:767px){
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
}

/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start}
.form-points{display:grid;gap:16px;margin-top:26px}
.form-points li{display:flex;gap:12px;font-size:15px;color:var(--c-ink-2);align-items:flex-start}
.form-points svg{width:20px;height:20px;color:var(--c-accent-ink);flex:none;margin-top:5px}
.form-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-1);overflow:hidden;
}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.form-card h3{font-size:20px}
.form-card .hint{margin-top:8px;font-size:14px;color:var(--c-ink-3)}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:700;color:var(--c-ink)}
.field input,.field select,.field textarea{
  height:48px;border:1px solid var(--c-line);border-radius:var(--r-xs);background:#FBFAF8;
  padding:0 14px;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(224,67,43,.16);
}
.field .err{font-size:13px;color:var(--c-primary-deep);display:none}
.field.invalid input,.field.invalid select{border-color:var(--c-primary)}
.field.invalid .err{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-ink-2)}
.check input{width:18px;height:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:none}
.check a{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
.form-card .btn-primary{width:100%;margin-top:22px}
.form-ok{display:none;margin-top:18px;font-size:14px;color:var(--c-accent-ink);font-weight:700}
.form-ok.show{display:block}
@media(max-width:899px){
  .form-grid{grid-template-columns:1fr;gap:32px}
  .fields{grid-template-columns:1fr}
  .form-card{padding:24px}
}

/* ============ 隐私说明条 ============ */
.privacy{
  display:flex;gap:14px;align-items:flex-start;background:#F2F0EB;border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px 22px;margin-top:28px;
}
.privacy svg{width:20px;height:20px;color:var(--c-ink-3);flex:none;margin-top:4px}
.privacy p{font-size:13px;color:var(--c-ink-2);line-height:1.7}
.privacy a{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}

/* ============ 页脚 ============ */
.site-footer{background:var(--grad-deep);color:rgba(255,255,255,.72);margin-top:var(--pad-sec);padding:clamp(48px,7vw,80px) 0 0}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2fr) minmax(0,2.4fr) minmax(0,3fr);gap:40px}
.footer-brand .logo-text{color:#fff;font-size:20px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:34ch}
.social{display:flex;gap:12px;margin-top:20px}
.social a{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;
  transition:background-color var(--t),border-color var(--t),color var(--t);
}
.social a:hover{background:rgba(198,242,78,.16);border-color:var(--c-accent);color:var(--c-accent)}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact .num{color:#fff;font-weight:700}
.qr{
  margin-top:18px;width:96px;height:96px;border-radius:12px;border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:rgba(255,255,255,.6);padding:8px;
}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.6);
}
@media(max-width:1023px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* ============ 悬浮咨询 ============ */
.fab{
  position:fixed;right:24px;bottom:24px;z-index:70;height:52px;padding:0 24px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;box-shadow:var(--shadow-2);
  transition:transform var(--t),filter var(--t);
}
.fab:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04)}
.fab:active{transform:translateY(1px)}
@media(max-width:767px){
  .fab{width:56px;height:56px;padding:0;justify-content:center;right:16px;bottom:16px}
  .fab span{display:none}
}
.overlay{
  position:fixed;inset:0;background:rgba(16,34,43,.6);z-index:80;
  display:none;align-items:center;justify-content:center;padding:20px;
}
.overlay.open{display:flex}
.modal{
  position:relative;width:100%;max-width:480px;background:var(--c-surface);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-2);
}
.modal h3{font-size:20px}
.modal p{margin-top:8px;font-size:14px;color:var(--c-ink-2)}
.modal .fields{grid-template-columns:1fr;margin-top:20px}
.modal .close{
  position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);
}
.modal .close:hover{border-color:var(--c-primary);color:var(--c-primary-deep);background:var(--c-primary-soft)}
.modal .fine{margin-top:14px;font-size:12px;color:var(--c-ink-3)}
@media(max-width:600px){
  .overlay{align-items:flex-end;padding:0}
  .modal{max-width:none;border-radius:24px 24px 0 0;padding:26px 20px 32px}
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:var(--c-surface);z-index:90;
  transform:translateX(100%);transition:transform 260ms var(--ease);padding:22px;overflow-y:auto;
  box-shadow:-20px 0 50px -30px rgba(16,34,43,.6);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer .search{display:flex;max-width:none;height:46px}
.drawer nav{display:grid;gap:6px;margin-top:20px}
.drawer nav a{padding:13px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--c-ink)}
.drawer nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.drawer nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.drawer .btn-primary{width:100%;margin-top:20px}
.drawer .btn-outline{width:100%;margin-top:12px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.scrim{position:fixed;inset:0;background:rgba(16,34,43,.55);z-index:85;display:none}
.scrim.open{display:block}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* roulang page: article */
:root{
  --c-primary:#E0432B;
  --c-primary-deep:#A82A16;
  --c-primary-soft:#FDEDE8;
  --c-ink:#10222B;
  --c-ink-2:#4A5C66;
  --c-ink-3:#8A9AA2;
  --c-line:#E4E8E9;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-accent:#C6F24E;
  --c-accent-ink:#5F8615;
  --grad-brand:linear-gradient(118deg,#D9371F 0%,#E0432B 46%,#F08238 100%);
  --grad-deep:linear-gradient(150deg,#10222B 0%,#1D3A46 100%);
  --shadow-1:0 1px 2px rgba(16,34,43,.05),0 10px 28px -16px rgba(16,34,43,.22);
  --shadow-2:0 6px 16px rgba(16,34,43,.10),0 24px 48px -24px rgba(16,34,43,.30);
  --r-lg:24px;--r-md:18px;--r-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;line-height:1.8;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-ink);text-decoration:none;transition:color var(--t),background var(--t),box-shadow var(--t),transform var(--t)}
a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(224,67,43,.28);outline-offset:2px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.num,.tabular{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:clamp(56px,8vw,104px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:750;letter-spacing:.2px}
.section-head p{color:var(--c-ink-2);font-size:15px;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:999px;padding:6px 14px;margin-bottom:14px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;white-space:nowrap;transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t)}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px -10px rgba(224,67,43,.7)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:disabled{filter:saturate(.4);cursor:not-allowed;transform:none}
.btn-outline{background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary-deep)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.btn-outline:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn-text{color:var(--c-ink-2);font-size:15px;font-weight:600;padding:8px 4px;border-radius:8px}
.btn-text:hover{color:var(--c-primary-deep)}
.icon-btn{width:42px;height:42px;border-radius:12px;display:none;align-items:center;justify-content:center;color:var(--c-ink);border:1px solid var(--c-line);background:#fff}
.icon-btn:hover{color:var(--c-primary-deep);border-color:var(--c-primary)}

/* 顶栏 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line)}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-main{display:flex;align-items:center;gap:20px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo:hover{text-decoration:none}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad-brand);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.2px;color:var(--c-ink)}
.logo-text em{font-style:normal;color:var(--c-primary)}
.search{position:relative;flex:1 1 auto;max-width:640px;display:flex;align-items:center;gap:6px;height:48px;padding:0 6px 0 44px;background:#fff;border:1px solid var(--c-line);border-radius:999px;box-shadow:inset 0 1px 3px rgba(16,34,43,.05);transition:border-color var(--t),box-shadow var(--t)}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.18)}
.search-icon{position:absolute;left:16px;width:20px;height:20px;color:var(--c-primary)}
.search input{flex:1;min-width:0;border:0;background:transparent;height:100%;font-size:15px;outline:none}
.search input::placeholder{color:var(--c-ink-3)}
.search-btn{height:36px;padding:0 20px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;transition:filter var(--t),transform var(--t)}
.search-btn:hover{filter:brightness(1.06)}
.search-btn:active{transform:translateY(1px)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.chip-row{border-top:1px solid var(--c-line);background:#fff;padding:9px 0 11px}
.chip-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;font-size:12px;font-weight:600;color:var(--c-ink-2);background:var(--c-surface);border:1px solid var(--c-line);transition:all var(--t)}
.chip:hover{color:var(--c-primary-deep);border-color:var(--c-primary);text-decoration:none}
.chip.is-active{background:var(--c-primary-soft);border-color:rgba(224,67,43,.35);color:var(--c-primary-deep)}

/* 阅读进度 */
.progress-track{position:fixed;top:0;left:0;right:0;height:3px;z-index:90;background:transparent;pointer-events:none}
.progress-bar{height:100%;width:0;background:var(--grad-brand);transition:width 120ms linear}

/* 页头 */
.page-head{padding:36px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:20px}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb span.sep{color:var(--c-line)}
.breadcrumb .current{color:var(--c-ink-3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.35;letter-spacing:.2px;max-width:980px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;color:var(--c-ink-3);font-size:14px}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;position:relative}
.article-meta .meta-item + .meta-item{padding-left:14px}
.article-meta .meta-item + .meta-item::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--c-line)}
.badge-cat{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:13px;font-weight:700}

/* 布局 */
.article-section{padding:40px 0 clamp(56px,8vw,96px)}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:44px;align-items:start}
.article-body{max-width:820px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:clamp(24px,3.6vw,44px);box-shadow:var(--shadow-1)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em;font-size:16.5px;line-height:1.9;color:#1B303A}
.article-body h2{position:relative;font-size:clamp(21px,2.6vw,26px);font-weight:750;margin:44px 0 18px;padding-left:16px;line-height:1.45}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;border-radius:2px;background:var(--grad-brand)}
.article-body h3{position:relative;font-size:20px;font-weight:700;margin:32px 0 14px;padding-left:18px}
.article-body h3::before{content:"";position:absolute;left:0;top:.48em;width:9px;height:9px;border-radius:3px;background:var(--c-primary)}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--c-ink)}
.article-body a{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;font-size:16px;line-height:1.85;color:#1B303A}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-primary)}
.article-body ol{counter-reset:olc}
.article-body ol li::before{counter-increment:olc;content:counter(olc);position:absolute;left:0;top:.34em;width:18px;height:18px;border-radius:6px;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.article-body blockquote{margin:0 0 1.5em;padding:20px 24px;background:var(--c-primary-soft);border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#25404B;font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px;border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden}
.article-body thead th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);line-height:1.7}
.article-body tbody tr:nth-child(even){background:#FAF9F6}
.article-body code{background:#F2F0EB;border-radius:6px;padding:2px 8px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}

/* 空态 */
.empty-state{text-align:center;padding:56px 24px}
.empty-state .icon{width:56px;height:56px;margin:0 auto 18px;border-radius:18px;background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;color:var(--c-primary)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:24px}

/* 文末模块 */
.article-foot{margin-top:40px}
.tag-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-list .label{font-size:14px;font-weight:700;color:var(--c-ink-2)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#F2F0EB;color:var(--c-ink-2);font-size:13px;transition:all var(--t)}
.tag:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none}
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:30px}
.pn-card{display:flex;gap:16px;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t)}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);text-decoration:none}
.pn-thumb{width:84px;height:64px;flex:0 0 auto;border-radius:12px;overflow:hidden;background:var(--grad-brand)}
.pn-thumb img{width:100%;height:100%;object-fit:cover}
.pn-text{min-width:0}
.pn-label{font-size:12px;font-weight:700;color:var(--c-primary-deep);letter-spacing:.4px}
.pn-title{font-size:15px;font-weight:700;color:var(--c-ink);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.related{margin-top:52px}
.related h2{font-size:22px;font-weight:750;margin-bottom:22px}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);text-decoration:none}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-brand)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px 20px 22px}
.news-body h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{margin-top:8px;font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line);font-size:12px;color:var(--c-ink-3)}
.news-foot .more{color:var(--c-primary-deep);font-weight:700}
.back-row{margin-top:34px}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:22px}
.sidebar-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px 22px 24px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;font-weight:750;letter-spacing:.4px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad-brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-link{display:block;font-size:14px;color:var(--c-ink-2);padding:7px 10px;border-radius:10px;border-left:3px solid transparent;line-height:1.55;transition:all var(--t)}
.toc-link:hover{background:var(--c-bg);color:var(--c-primary-deep);text-decoration:none}
.toc-link.is-sub{padding-left:24px;font-size:13px;color:var(--c-ink-3)}
.toc-link.is-active{border-left-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700}
.cta-card{background:var(--grad-deep);border-radius:var(--r-lg);padding:26px 24px;color:#fff;position:relative;overflow:hidden}
.cta-card::after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:rgba(198,242,78,.14)}
.cta-card h3{font-size:18px;font-weight:750;color:#fff}
.cta-card p{font-size:14px;color:rgba(255,255,255,.72);margin:10px 0 18px;line-height:1.75}
.cta-card .btn{width:100%}
.hot-list{display:flex;flex-direction:column;gap:14px}
.hot-item{display:flex;gap:12px;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--c-line);transition:transform var(--t)}
.hot-item:last-child{border-bottom:0;padding-bottom:0}
.hot-item:hover{transform:translateX(4px);text-decoration:none}
.hot-thumb{width:64px;height:52px;border-radius:12px;overflow:hidden;flex:0 0 auto;background:var(--grad-brand)}
.hot-thumb img{width:100%;height:100%;object-fit:cover}
.hot-text b{display:block;font-size:14.5px;font-weight:700;color:var(--c-ink);line-height:1.5}
.hot-text span{font-size:12px;color:var(--c-ink-3)}

/* 表单区 */
.contact-section{background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);border-top:1px solid var(--c-line)}
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:start}
.contact-copy h2{font-size:clamp(24px,3vw,32px);font-weight:750;line-height:1.35}
.contact-copy p{color:var(--c-ink-2);font-size:15px;margin-top:14px;max-width:40ch}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--c-ink)}
.check-list li::before{content:"";width:20px;height:20px;flex:0 0 auto;border-radius:50%;background:var(--c-primary-soft);border:1.5px solid var(--c-primary);background-image:linear-gradient(var(--c-primary),var(--c-primary)),linear-gradient(var(--c-primary),var(--c-primary));background-repeat:no-repeat;background-size:9px 2px,2px 9px;background-position:center}
.privacy-inline{margin-top:22px;font-size:12.5px;color:var(--c-ink-3);line-height:1.7}
.form-card{position:relative;background:var(--c-surface);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-1);border:1px solid var(--c-line);overflow:hidden}
.form-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:700;color:var(--c-ink-2)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--c-line);border-radius:12px;background:#fff;padding:0 14px;height:48px;font-size:15px;outline:none;transition:border-color var(--t),box-shadow var(--t)}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.18)}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);line-height:1.7}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto}
.form-msg{margin-top:14px;font-size:14px;font-weight:700;display:none}
.form-msg.ok{display:block;color:var(--c-accent-ink)}
.form-msg.err{display:block;color:var(--c-primary-deep)}
.privacy-bar{display:flex;gap:12px;align-items:flex-start;background:#F2F0EB;border-radius:var(--r-md);padding:16px 20px;margin-top:24px;font-size:12.5px;color:var(--c-ink-2);line-height:1.7}
.privacy-bar .ico{width:20px;height:20px;flex:0 0 auto;color:var(--c-primary)}

/* 悬浮咨询 */
.float-consult{position:fixed;right:24px;bottom:28px;z-index:70;height:52px;padding:0 24px;border-radius:999px;background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;box-shadow:var(--shadow-2);display:inline-flex;align-items:center;gap:8px;transition:transform var(--t),filter var(--t)}
.float-consult:hover{transform:translateY(-2px);filter:brightness(1.06)}
.modal-mask{position:fixed;inset:0;background:rgba(16,34,43,.6);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.is-open{display:flex}
.modal-card{position:relative;width:100%;max-width:480px;background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-2)}
.modal-card h3{font-size:20px;font-weight:750}
.modal-card p.sub{font-size:14px;color:var(--c-ink-2);margin:10px 0 20px}
.modal-close{position:absolute;right:16px;top:16px;width:32px;height:32px;border-radius:50%;background:#F2F0EB;color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1}
.modal-close:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.modal-card .field{margin-bottom:14px}
.modal-card .privacy-inline{margin-top:14px}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:110;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(16,34,43,.6)}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(88vw,360px);background:#fff;padding:24px;overflow:auto;display:flex;flex-direction:column;gap:20px}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:16px;font-weight:750}
.drawer-close{width:36px;height:36px;border-radius:50%;background:#F2F0EB;color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;font-size:18px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--c-ink);background:var(--c-bg)}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none}
.drawer-search{position:relative;display:flex;align-items:center;height:46px;border:1px solid var(--c-line);border-radius:999px;padding:0 14px}
.drawer-search input{border:0;outline:none;width:100%;font-size:14px;background:transparent}

/* 页脚 */
.site-footer{background:var(--grad-deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:36px;padding-bottom:44px}
.footer-brand .logo-text{color:#fff;font-size:20px;font-weight:800;display:inline-block}
.footer-brand .logo-text em{font-style:normal;color:var(--c-accent)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:14px;max-width:34ch}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.8)}
.social a:hover{border-color:var(--c-accent);color:var(--c-accent);text-decoration:none}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact .num{font-variant-numeric:tabular-nums}
.qr{margin-top:16px;width:96px;height:96px;border-radius:12px;border:1px dashed rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;font-size:11px;color:rgba(255,255,255,.6);text-align:center;padding:8px;line-height:1.5}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* 响应式 */
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .sidebar{order:2}
  .sidebar-sticky{position:static}
  .article-body{max-width:none}
  .contact-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .icon-btn{display:inline-flex}
  .nav-actions .btn-text{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-main{gap:12px;min-height:66px}
  .search{display:none}
  .nav-actions .btn{padding:0 18px;height:42px;font-size:14px}
  .article-title{font-size:24px;white-space:normal;overflow:visible}
  .article-meta{gap:10px;font-size:13px}
  .article-meta .meta-item + .meta-item{padding-left:10px}
  .article-body{padding:20px 18px;border-radius:var(--r-md)}
  .article-body p{font-size:16px}
  .pn-grid{grid-template-columns:minmax(0,1fr)}
  .news-grid{grid-template-columns:minmax(0,1fr)}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .float-consult{right:16px;bottom:18px;width:56px;height:56px;padding:0;justify-content:center;border-radius:50%;font-size:0}
  .float-consult svg{width:22px;height:22px}
  .modal-card{padding:24px 20px;border-radius:20px}
}
@media (max-width:519px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .breadcrumb{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --c-primary:#E0432B;
  --c-primary-deep:#A82A16;
  --c-primary-soft:#FDEDE8;
  --c-ink:#10222B;
  --c-ink-2:#4A5C66;
  --c-ink-3:#8A9AA2;
  --c-line:#E4E8E9;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-accent:#C6F24E;
  --c-accent-ink:#5F8615;
  --grad-brand:linear-gradient(118deg,#D9371F 0%,#E0432B 46%,#F08238 100%);
  --grad-deep:linear-gradient(150deg,#10222B 0%,#1D3A46 100%);
  --shadow-1:0 1px 2px rgba(16,34,43,.05),0 10px 28px -16px rgba(16,34,43,.22);
  --shadow-2:0 6px 16px rgba(16,34,43,.10),0 24px 48px -24px rgba(16,34,43,.30);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-ink);text-decoration:none;transition:color var(--ease),text-decoration-color var(--ease)}
a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:750;letter-spacing:.2px}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(224,67,43,.28);outline-offset:2px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(224,67,43,.85)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:var(--c-surface);color:var(--c-primary-deep);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.42)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn:disabled,.btn[aria-disabled="true"]{filter:saturate(40%);cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{font-size:14px;font-weight:600;color:var(--c-ink-2)}
.btn-text:hover{color:var(--c-primary-deep)}
.icon-btn{display:none;width:44px;height:44px;border-radius:12px;color:var(--c-ink);align-items:center;justify-content:center;transition:background-color var(--ease)}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--grad-deep);color:rgba(255,255,255,.78);font-size:12.5px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar .notice{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar .dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:none}
.topbar .top-meta{display:flex;gap:18px;flex:none}
.topbar a{color:rgba(255,255,255,.9)}
.topbar a:hover{color:var(--c-accent);text-decoration:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-main{display:flex;align-items:center;gap:22px;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 8px 18px -12px rgba(224,67,43,.9)}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:.3px}
.logo-text em{font-style:normal;color:var(--c-primary)}
.search{flex:1;max-width:640px;display:flex;align-items:center;gap:10px;height:48px;padding:0 6px 0 16px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;
  box-shadow:inset 0 1px 2px rgba(16,34,43,.06);transition:border-color var(--ease),box-shadow var(--ease)}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.18)}
.search-icon{width:20px;height:20px;color:var(--c-primary);flex:none}
.search input{flex:1;height:100%;border:0;background:transparent;outline:none;font-size:14.5px}
.search input::placeholder{color:var(--c-ink-3)}
.search-btn{height:38px;padding:0 20px;border-radius:999px;background:var(--grad-brand);color:#fff;font-weight:700;font-size:14px;transition:filter var(--ease),transform var(--ease)}
.search-btn:hover{filter:brightness(1.06)}
.search-btn:active{transform:translateY(1px)}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none}

/* ---------- 分类 chip ---------- */
.chip-row{border-top:1px solid var(--c-line);background:var(--c-surface)}
.chip-scroll{display:flex;gap:10px;overflow-x:auto;padding:10px 0;scrollbar-width:none;-ms-overflow-style:none}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{flex:none;display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--c-ink-2);background:var(--c-surface);border:1px solid var(--c-line);
  transition:all var(--ease);text-decoration:none}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep);text-decoration:none}
.chip.is-active{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-primary-deep)}

/* ---------- 抽屉导航 ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none;background:rgba(16,34,43,.55);padding:0 16px}
.drawer.is-open{display:flex;align-items:flex-start;justify-content:flex-end}
.drawer-panel{background:var(--c-surface);width:min(360px,100%);height:100%;padding:22px;border-radius:0 0 0 24px;overflow-y:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border-radius:50%;background:var(--c-bg);color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;font-size:18px}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.drawer-nav{display:grid;gap:6px;margin-bottom:20px}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;background:var(--c-bg)}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep)}

/* ---------- Banner ---------- */
.page-banner{position:relative;background:var(--grad-deep);border-bottom:6px solid transparent;background-clip:padding-box;color:#fff;overflow:hidden}
.page-banner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--grad-brand);z-index:2}
.page-banner .banner-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.22;z-index:0}
.page-banner .banner-glow{position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,67,43,.42),rgba(224,67,43,0) 68%);z-index:1;pointer-events:none}
.page-banner .container{position:relative;z-index:3;padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(40px,6vw,68px)}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--c-accent);text-decoration:none}
.crumbs .current{color:rgba(255,255,255,.6)}
.page-banner h1{font-size:clamp(30px,4.6vw,48px);line-height:1.25;font-weight:800;max-width:16em}
.page-banner h1 .hl{background:linear-gradient(100deg,#F08238,#C6F24E);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner-sub{margin-top:16px;font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.8);max-width:38em}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge-row li{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20)}
.badge-row li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,8vw,104px) 0}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,44px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--c-primary-deep);
  background:var(--c-primary-soft);padding:6px 14px;border-radius:999px;margin-bottom:14px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:750;line-height:1.3}
.section-head p{margin-top:14px;font-size:15.5px;line-height:1.75;color:var(--c-ink-2);max-width:40em}

/* ---------- 特性卡 2×2 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:30px;box-shadow:var(--shadow-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease)}
.feature-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--grad-brand);transition:width 320ms cubic-bezier(.2,.7,.3,1)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-card:hover::before{width:100%}
.feature-icon{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-icon svg{width:22px;height:22px}
.feature-card h3{font-size:20px;font-weight:700}
.feature-card p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-ink-2)}
.feature-card .card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--c-primary-deep)}
.feature-card .card-link:hover{text-decoration:none;gap:10px}

/* ---------- 数据徽章 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;background:var(--grad-deep);border-radius:28px;
  padding:36px clamp(22px,4vw,44px);position:relative;overflow:hidden}
.stat-strip::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:18px 18px;opacity:.5;pointer-events:none}
.stat{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:22px 24px}
.stat .value{font-size:clamp(32px,4vw,48px);font-weight:800;line-height:1.1;
  background:linear-gradient(100deg,#C6F24E,#F08238);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.stat .value small{font-size:15px;font-weight:700;margin-left:4px;-webkit-text-fill-color:rgba(255,255,255,.85);color:rgba(255,255,255,.85)}
.stat .label{margin-top:10px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.72)}

/* ---------- 窄列表 ---------- */
.narrow-list{display:grid;gap:14px;max-width:920px}
.narrow-item{display:flex;align-items:center;gap:18px;padding:14px 20px 14px 14px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-sm);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.narrow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(224,67,43,.35);text-decoration:none}
.narrow-thumb{width:64px;height:64px;border-radius:14px;overflow:hidden;flex:none;background:var(--grad-brand);position:relative}
.narrow-thumb img{width:100%;height:100%;object-fit:cover}
.narrow-body{flex:1;min-width:0}
.narrow-body h3{font-size:16.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.narrow-body .meta{margin-top:6px;font-size:12.5px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.narrow-arrow{flex:none;color:var(--c-primary);font-weight:700;transition:transform var(--ease)}
.narrow-item:hover .narrow-arrow{transform:translateX(5px)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;box-shadow:var(--shadow-1);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--c-ink);transition:background-color var(--ease)}
.faq-q:hover{background:#FAF9F6}
.faq-q .sign{flex:none;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:17px;line-height:1;transition:transform var(--ease),background-color var(--ease)}
.faq-item.is-open .sign{transform:rotate(180deg);background:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.7,.3,1)}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 表单区 ---------- */
.signup{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.signup-side{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-1)}
.signup-side h2{font-size:clamp(24px,3vw,30px);line-height:1.3}
.signup-side p{margin-top:14px;font-size:15px;line-height:1.75;color:var(--c-ink-2)}
.check-list{margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-ink)}
.check-list svg{width:18px;height:18px;color:var(--c-accent-ink);flex:none;margin-top:5px}
.form-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-1);overflow:hidden}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--c-ink)}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);
  border-radius:12px;background:var(--c-surface);outline:none;transition:border-color var(--ease),box-shadow var(--ease);font-size:15px}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.18)}
.field input::placeholder,.field textarea::placeholder{color:var(--c-ink-3)}
.field.has-error input,.field.has-error textarea{border-color:var(--c-primary);background:#FFF9F7}
.field .err{font-size:13px;color:var(--c-primary-deep);display:none}
.field.has-error .err{display:block}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);line-height:1.7}
.consent input{width:18px;height:18px;flex:none;margin-top:3px;accent-color:var(--c-primary)}
.form-card .btn{width:100%;margin-top:6px}
.form-note{margin-top:12px;font-size:13px;color:var(--c-ink-3)}
.form-success{display:none;margin-top:14px;font-size:14px;font-weight:600;color:var(--c-accent-ink)}
.form-success.show{display:block}

/* ---------- 隐私条 ---------- */
.privacy-bar{margin-top:24px;display:flex;gap:12px;align-items:flex-start;background:var(--c-primary-soft);
  border-radius:var(--r-sm);padding:16px 20px;font-size:13px;line-height:1.7;color:var(--c-ink-2)}
.privacy-bar svg{width:20px;height:20px;color:var(--c-primary-deep);flex:none;margin-top:2px}
.privacy-bar a{color:var(--c-primary-deep);font-weight:600}

/* ---------- CTA 横条 ---------- */
.cta-bar{margin-top:clamp(40px,6vw,64px);background:var(--grad-brand);border-radius:var(--r-lg);padding:32px clamp(24px,4vw,44px);
  display:flex;align-items:center;justify-content:space-between;gap:22px;color:#fff;flex-wrap:wrap;box-shadow:var(--shadow-1)}
.cta-bar h3{font-size:clamp(20px,2.4vw,26px);font-weight:750}
.cta-bar p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.88)}
.cta-bar .btn{background:#fff;color:var(--c-primary-deep);flex:none}
.cta-bar .btn:hover{background:#fff;color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-deep);color:rgba(255,255,255,.72);margin-top:clamp(56px,8vw,104px)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding:clamp(40px,6vw,68px) 0 40px}
.footer-brand .logo-text{color:#fff;font-size:20px;font-weight:800}
.footer-brand .logo-text em{color:var(--c-accent);font-style:normal}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;max-width:30em}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.28);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(255,255,255,.82)}
.social a:hover{color:var(--c-accent);border-color:var(--c-accent);text-decoration:none}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.qr{margin-top:16px;width:96px;height:96px;border-radius:12px;border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;color:rgba(255,255,255,.6);padding:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.6);flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-main{gap:14px}
  .search{max-width:none}
  .signup{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar .top-meta{display:none}
  .nav-actions .btn-primary,.nav-actions .btn-text{display:none}
  .icon-btn{display:flex}
  .logo-text{font-size:18px}
  .nav-main{height:64px;gap:10px}
  .search{display:none}
  .feature-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr;border-radius:22px;padding:24px}
  .form-grid{grid-template-columns:1fr}
  .narrow-item{gap:14px}
  .narrow-thumb{width:56px;height:56px}
  .narrow-body h3{font-size:15px;white-space:normal}
  .cta-bar{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .page-banner h1{font-size:28px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .form-card,.signup-side{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category3 */
:root{
  --c-primary:#E0432B;
  --c-primary-deep:#A82A16;
  --c-primary-soft:#FDEDE8;
  --c-ink:#10222B;
  --c-ink-2:#4A5C66;
  --c-ink-3:#8A9AA2;
  --c-line:#E4E8E9;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-accent:#C6F24E;
  --c-accent-ink:#5F8615;
  --grad-brand:linear-gradient(118deg,#D9371F 0%,#E0432B 46%,#F08238 100%);
  --grad-deep:linear-gradient(150deg,#10222B 0%,#1D3A46 100%);
  --shadow-1:0 1px 2px rgba(16,34,43,.05),0 10px 28px -16px rgba(16,34,43,.22);
  --shadow-2:0 6px 16px rgba(16,34,43,.10),0 24px 48px -24px rgba(16,34,43,.30);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
svg{display:block}
a{color:var(--c-ink);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease)}
a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,4.6vw,48px);line-height:1.25;font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:750}
h3{font-size:20px;line-height:1.5;font-weight:700}
h4{font-size:15px;font-weight:700}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,67,43,.18);border-color:var(--c-primary);border-radius:10px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:999px;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  text-decoration:none!important;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),filter .18s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px -12px rgba(224,67,43,.9)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:var(--c-surface);color:var(--c-primary-deep);border:1.5px solid var(--c-primary)}
.btn-outline:hover{color:var(--c-primary-deep);background:var(--c-primary-soft);transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:#13291A}
.btn-accent:hover{color:#13291A;transform:translateY(-2px);filter:brightness(1.04)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);cursor:not-allowed;transform:none!important}
.btn-text{font-size:14px;font-weight:600;color:var(--c-ink-2)}
.btn-text:hover{color:var(--c-primary-deep)}
.icon-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:14px;background:var(--c-surface);color:var(--c-ink);cursor:pointer;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.icon-btn:active{transform:translateY(1px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-main{display:flex;align-items:center;gap:24px;min-height:76px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;text-decoration:none!important}
.logo:hover{text-decoration:none!important}
.logo-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad-brand);
  display:grid;place-items:center;box-shadow:0 8px 18px -10px rgba(224,67,43,.95);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.4px;color:var(--c-ink);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-primary)}
.search{
  position:relative;flex:1 1 auto;max-width:640px;display:flex;align-items:center;
  height:48px;padding:4px 4px 4px 46px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;
  box-shadow:inset 0 1px 2px rgba(16,34,43,.05);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.18)}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--c-primary)}
.search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;
}
.search input::placeholder{color:var(--c-ink-3)}
.search-btn{
  flex:0 0 auto;height:40px;padding:0 22px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:filter .18s var(--ease),transform .18s var(--ease);
}
.search-btn:hover{filter:brightness(1.06)}
.search-btn:active{transform:translateY(1px)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.chip-row{border-top:1px solid var(--c-line);background:var(--c-surface)}
.chip-scroll{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:6px 14px;border:1px solid var(--c-line);border-radius:999px;
  background:var(--c-surface);font-size:12px;line-height:1.6;color:var(--c-ink-2);
  text-decoration:none!important;transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep);text-decoration:none!important}
.chip.is-active{background:var(--c-primary-soft);border-color:transparent;color:var(--c-primary-deep);font-weight:700}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--c-ink-3);padding-top:22px}
.crumbs a{color:var(--c-ink-2)}
.crumbs a:hover{color:var(--c-primary-deep)}
.crumbs .sep{color:var(--c-line)}
.crumbs .cur{color:var(--c-ink-3)}

/* ---------- 首屏 ---------- */
.cat-hero{padding:34px 0 0}
.cat-hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 .hl{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:var(--c-ink-2);margin-bottom:26px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:11px 26px;list-style:none}
.hero-facts li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.hero-facts svg{width:18px;height:18px;color:var(--c-primary)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2);background:var(--grad-brand)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-media::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--grad-brand)}
.hero-tags{position:absolute;left:18px;bottom:20px;display:flex;gap:8px;flex-wrap:wrap}
.hero-tags span{
  padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.92);
  font-size:12px;font-weight:700;color:var(--c-primary-deep);
  box-shadow:0 6px 18px -12px rgba(16,34,43,.6);
}

/* ---------- 主体 3 / 9 布局 ---------- */
.cat-body{padding:var(--sec) 0 0}
.cat-layout{display:grid;grid-template-columns:3fr 9fr;gap:32px;align-items:start}
.anchor-nav{
  position:sticky;top:138px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 18px;box-shadow:var(--shadow-1);
}
.anchor-title{
  font-size:13px;font-weight:700;letter-spacing:1px;color:var(--c-ink-3);
  text-transform:uppercase;margin-bottom:12px;
}
.anchor-nav nav{display:flex;flex-direction:column;gap:4px}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:10px;border-left:3px solid transparent;
  font-size:14px;line-height:1.5;color:var(--c-ink-2);text-decoration:none!important;
  transition:all .18s var(--ease);
}
.anchor-nav a:hover{background:#FAF8F4;color:var(--c-primary-deep);text-decoration:none!important}
.anchor-nav a.is-active{
  border-left-color:var(--c-primary);background:var(--c-primary-soft);
  color:var(--c-primary-deep);font-weight:700;
}
.anchor-hint{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.anchor-hint a{display:inline;padding:0;border:0;background:none;color:var(--c-primary-deep);font-weight:700}
.anchor-hint a:hover{background:none}

.sections{display:flex;flex-direction:column;gap:24px}
.sec-block{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:clamp(24px,3vw,36px);box-shadow:var(--shadow-1);scroll-margin-top:150px;
}
.sec-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}
.sec-num{
  flex:0 0 auto;font-size:13px;font-weight:800;letter-spacing:1px;color:var(--c-primary);
  border:1.5px solid var(--c-primary);border-radius:999px;padding:2px 12px;line-height:1.7;
}
.sec-head h2{font-size:clamp(21px,2.4vw,27px)}
.sec-block p{color:var(--c-ink-2);margin-bottom:14px;max-width:40em}
.sec-block p:last-child{margin-bottom:0}
.tick-list{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;margin-top:6px}
.tick-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-2)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-soft);
}
.step-list{list-style:none;counter-reset:st;display:grid;gap:12px;margin-top:8px}
.step-list li{
  counter-increment:st;position:relative;padding:14px 18px 14px 60px;
  background:#FAF9F6;border:1px solid var(--c-line);border-radius:var(--r-sm);
  font-size:15px;color:var(--c-ink-2);
}
.step-list li::before{
  content:counter(st,decimal-leading-zero);position:absolute;left:18px;top:14px;
  font-size:14px;font-weight:800;color:var(--c-primary);
}
.step-list li strong{color:var(--c-ink);font-weight:700}
.note-card{
  margin-top:16px;padding:16px 20px;border-radius:var(--r-sm);
  background:var(--c-primary-soft);border:1px solid #F6D8CF;
  font-size:14px;color:var(--c-primary-deep);
}

/* ---------- 对比表 ---------- */
.compare-section{padding:var(--sec) 0 0}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--c-ink-2);font-size:16px}
.table-wrap{
  border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);
  overflow:hidden;overflow-x:auto;box-shadow:var(--shadow-1);
}
table.compare{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
.compare th{
  background:var(--c-primary-soft);color:var(--c-ink);text-align:left;
  font-size:14px;font-weight:700;padding:15px 20px;white-space:nowrap;
}
.compare td{padding:15px 20px;border-top:1px solid var(--c-line);color:var(--c-ink-2);white-space:nowrap}
.compare tbody tr:nth-child(even){background:#FAF9F6}
.compare td:first-child{color:var(--c-ink);font-weight:700}

/* ---------- CTA 横条 ---------- */
.cta-band{padding:var(--sec) 0 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--grad-deep);border-radius:var(--r-lg);padding:clamp(26px,3.4vw,40px);
  box-shadow:var(--shadow-2);position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.cta-copy{position:relative;max-width:660px}
.cta-copy h2{color:#fff;margin-bottom:10px;font-size:clamp(22px,2.6vw,30px)}
.cta-copy p{color:rgba(255,255,255,.72);font-size:15px}
.cta-band .btn{position:relative}

/* ---------- FAQ ---------- */
.faq-section{padding:var(--sec) 0 0}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .18s var(--ease);
}
.faq-item.is-open{border-color:#F2CBBF}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;line-height:1.6;color:var(--c-ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--c-primary-deep)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;color:var(--c-ink-3);
  transition:transform .28s var(--ease),color .28s var(--ease);
}
.faq-icon svg{width:18px;height:18px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 表单区 ---------- */
.contact-section{padding:var(--sec) 0 0}
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.contact-points{list-style:none;display:grid;gap:16px;margin:22px 0 26px}
.contact-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--c-ink-2)}
.contact-points svg{flex:0 0 auto;width:22px;height:22px;color:var(--c-primary);margin-top:3px}
.privacy-tip{font-size:13px;color:var(--c-ink-3);line-height:1.7}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.form-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.form-row input[type="text"],
.form-row select,
.form-row textarea{
  width:100%;padding:0 16px;border:1px solid var(--c-line);border-radius:12px;
  background:var(--c-surface);font-size:15px;color:var(--c-ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.form-row input[type="text"],.form-row select{height:48px}
.form-row textarea{padding:13px 16px;min-height:120px;resize:vertical;line-height:1.7}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--c-ink-3)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.18);
}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-ink-2);margin:6px 0 20px;cursor:pointer}
.check input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--c-primary)}
.form-note{margin-top:14px;font-size:14px;min-height:22px}
.form-note.is-error{color:var(--c-primary-deep)}
.form-note.is-ok{color:var(--c-accent-ink);font-weight:600}
.legal-bar{
  margin-top:24px;display:flex;gap:12px;align-items:flex-start;
  background:#F2F0EB;border-radius:var(--r-sm);padding:16px 20px;
  font-size:13px;line-height:1.7;color:var(--c-ink-2);
}
.legal-bar svg{flex:0 0 auto;width:18px;height:18px;color:var(--c-primary);margin-top:3px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec);background:var(--grad-deep);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{font-size:20px;font-weight:800;color:#fff;letter-spacing:.4px}
.footer-brand .logo-text em{font-style:normal;color:var(--c-accent)}
.footer-brand p{margin:14px 0 18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:32em}
.social{display:flex;gap:10px}
.social a{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  display:grid;place-items:center;font-size:13px;color:rgba(255,255,255,.8);
  text-decoration:none!important;transition:all .18s var(--ease);
}
.social a:hover{background:var(--c-accent);color:#10222B;border-color:transparent;text-decoration:none!important}
.footer-col h4{margin:0 0 16px;color:#fff;font-size:14px;font-weight:700}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact .num{color:#fff;font-weight:700}
.qr{
  margin-top:16px;width:96px;height:96px;border-radius:12px;border:1px dashed rgba(255,255,255,.28);
  display:grid;place-items:center;font-size:12px;line-height:1.5;text-align:center;
  padding:10px;color:rgba(255,255,255,.6);
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-main{gap:18px}
  .search{max-width:520px}
}
@media (max-width:1023px){
  .cat-hero-inner{grid-template-columns:1fr;gap:28px}
  .cat-layout{grid-template-columns:1fr;gap:24px}
  .anchor-nav{position:static;padding:14px}
  .anchor-title{margin-bottom:10px}
  .anchor-nav nav{flex-direction:row;overflow-x:auto;gap:8px;scrollbar-width:none;padding-bottom:2px}
  .anchor-nav nav::-webkit-scrollbar{display:none}
  .anchor-nav a{
    flex:0 0 auto;white-space:nowrap;border-left:0;border-radius:999px;
    background:var(--c-bg);padding:8px 14px;font-size:13px;
  }
  .anchor-nav a.is-active{background:var(--c-primary-soft)}
  .anchor-hint{display:none}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-main{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:0}
  .logo-text{font-size:18px}
  .search{order:3;width:100%;max-width:none;display:none}
  .btn-text{display:none}
  .nav-actions{gap:10px}
  .nav-actions .btn-primary{height:42px;padding:0 16px;font-size:13px}
  .icon-btn{display:inline-flex}
  .chip-row{display:none;border-top:1px solid var(--c-line);padding-bottom:8px}
  .chip-scroll{flex-wrap:wrap;overflow:visible}
  body.nav-open .search{display:flex}
  body.nav-open .chip-row{display:block}
  .hero-facts{gap:10px 18px}
  .tick-list{grid-template-columns:1fr}
  .sec-block{padding:22px}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:519px){
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .cta-inner{padding:24px 20px}
  .cta-band .btn{width:100%}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --c-primary:#E0432B;
  --c-primary-deep:#A82A16;
  --c-primary-soft:#FDEDE8;
  --c-ink:#10222B;
  --c-ink-2:#4A5C66;
  --c-ink-3:#8A9AA2;
  --c-line:#E4E8E9;
  --c-bg:#F7F5F1;
  --c-surface:#FFFFFF;
  --c-accent:#C6F24E;
  --c-accent-ink:#5F8615;
  --grad-brand:linear-gradient(118deg,#D9371F 0%,#E0432B 46%,#F08238 100%);
  --grad-deep:linear-gradient(150deg,#10222B 0%,#1D3A46 100%);
  --shadow-1:0 1px 2px rgba(16,34,43,.05),0 10px 28px -16px rgba(16,34,43,.22);
  --shadow-2:0 6px 16px rgba(16,34,43,.10),0 24px 48px -24px rgba(16,34,43,.30);
  --r-lg:24px;--r-md:18px;--r-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-ink);text-decoration:none;transition:color .18s var(--ease),text-underline-offset .18s var(--ease);}
a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.num,.stat-value,.qa-index,.meta-num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(224,67,43,.18);outline-offset:2px;border-color:var(--c-primary);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;text-decoration:none;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:#fff;filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:var(--c-surface);color:var(--c-primary-deep);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{font-size:14px;color:var(--c-ink-2);font-weight:600;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.6;filter:saturate(.6);cursor:not-allowed;transform:none;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-main{display:flex;align-items:center;gap:24px;min-height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;flex:0 0 auto;box-shadow:var(--shadow-1);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.2px;color:var(--c-ink);}
.logo-text em{font-style:normal;color:var(--c-primary);}
.search{
  flex:1 1 auto;max-width:640px;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 6px 0 18px;border-radius:999px;background:var(--c-surface);
  border:1px solid var(--c-line);box-shadow:inset 0 1px 2px rgba(16,34,43,.05);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,67,43,.18);}
.search-icon{width:20px;height:20px;color:var(--c-primary);flex:0 0 auto;}
.search input{flex:1 1 auto;min-width:0;border:0;background:transparent;height:100%;font-size:14px;outline:none;}
.search input::placeholder{color:var(--c-ink-3);}
.search-btn{
  flex:0 0 auto;height:36px;padding:0 20px;border-radius:999px;background:var(--grad-brand);
  color:#fff;font-size:14px;font-weight:700;transition:filter .18s var(--ease),transform .18s var(--ease);
}
.search-btn:hover{filter:brightness(1.06);}
.search-btn:active{transform:translateY(1px);}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.icon-btn{display:none;width:44px;height:44px;border-radius:12px;color:var(--c-ink);place-items:center;border:1px solid var(--c-line);}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);}
.chip-row{border-top:1px solid var(--c-line);background:var(--c-surface);}
.chip-scroll{display:flex;gap:10px;padding:10px 0;overflow-x:auto;scrollbar-width:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--c-ink-2);background:var(--c-surface);
  border:1px solid var(--c-line);text-decoration:none;transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep);text-decoration:none;}
.chip.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:transparent;}

/* ---------- 面包屑 / Hero ---------- */
main{display:block;}
.breadcrumb{padding:24px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--c-line);}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb li[aria-current]{color:var(--c-ink-3);}

.page-hero{padding:32px 0 clamp(56px,8vw,96px);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:13px;font-weight:700;margin-bottom:20px;
}
.hero-title{font-size:clamp(30px,4.6vw,48px);line-height:1.25;font-weight:800;letter-spacing:-.5px;margin-bottom:20px;}
.hero-title .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:44ch;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:24px;border-top:1px solid var(--c-line);}
.hero-stat{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-2);}
.hero-stat .dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);flex:0 0 auto;}
.hero-stat b{font-size:20px;font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.hero-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-2);border-bottom:6px solid transparent;border-image:var(--grad-brand) 1;background:var(--grad-brand);}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,34,43,0) 45%,rgba(16,34,43,.55) 100%);}
.hero-badge{
  position:absolute;right:18px;top:18px;z-index:2;background:rgba(255,255,255,.95);border-radius:16px;
  padding:14px 18px;box-shadow:var(--shadow-1);text-align:center;
}
.hero-badge b{display:block;font-size:26px;font-weight:800;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;line-height:1.1;}
.hero-badge span{font-size:12px;color:var(--c-ink-2);}
.hero-tags{position:absolute;left:18px;bottom:18px;z-index:2;display:flex;gap:8px;flex-wrap:wrap;}
.hero-tags .chip{background:rgba(255,255,255,.92);border-color:transparent;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,8vw,104px) 0;}
.section-alt{background:#F2F0EB;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{display:block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--c-primary);margin-bottom:12px;}
.section-title{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:750;margin-bottom:14px;}
.section-sub{font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- 问答清单 ---------- */
.qa-wrap{max-width:920px;margin:0 auto;}
.qa-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .18s var(--ease),border-color .18s var(--ease);}
.qa-item:hover{border-color:#cfd7d9;}
.qa-item.is-open{box-shadow:var(--shadow-1);border-color:#e0c7bf;}
.qa-head{
  display:flex;align-items:center;gap:16px;width:100%;padding:20px 24px;text-align:left;
  transition:background-color .18s var(--ease);
}
.qa-head:hover{background:#FAF9F6;}
.qa-index{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  border:1.5px solid var(--c-primary);color:var(--c-primary-deep);font-size:13px;font-weight:800;
}
.qa-question{flex:1 1 auto;font-size:17px;font-weight:700;line-height:1.5;}
.qa-toggle{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--c-ink-3);display:inline-flex;align-items:center;gap:8px;}
.qa-toggle::after{
  content:"";width:10px;height:10px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);transition:transform .2s var(--ease);margin-top:-4px;
}
.qa-item.is-open .qa-toggle{color:var(--c-primary);}
.qa-item.is-open .qa-toggle::after{transform:rotate(-135deg);margin-top:4px;}
.qa-body{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.qa-body-inner{padding:0 24px 22px 74px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- 数据卡 ---------- */
.data-card{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:0;margin-top:48px;
  border-radius:var(--r-lg);overflow:hidden;background:var(--grad-deep);color:#fff;box-shadow:var(--shadow-2);
}
.data-card-value{
  padding:40px 36px;display:flex;flex-direction:column;justify-content:center;gap:8px;
  background:rgba(255,255,255,.04);border-right:1px solid rgba(255,255,255,.12);
}
.data-card-value b{
  font-size:clamp(40px,5vw,56px);font-weight:800;line-height:1;
  background:linear-gradient(120deg,#C6F24E 0%,#FFB27A 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;
}
.data-card-value span{font-size:13px;color:rgba(255,255,255,.72);}
.data-card-body{padding:40px 36px;}
.data-card-body h3{font-size:20px;font-weight:700;margin-bottom:14px;}
.data-card-body p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:52ch;}
.data-card-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);}
.data-card-meta div{font-size:13px;color:rgba(255,255,255,.72);}
.data-card-meta b{display:block;font-size:22px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;}

/* ---------- 能力卡（非对称） ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:30px 28px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--grad-brand);
  transition:width .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card:hover::before{width:100%;}
.card-icon{
  width:48px;height:48px;border-radius:50%;background:var(--grad-brand);display:grid;place-items:center;
  color:#fff;font-size:18px;font-weight:800;margin-bottom:20px;font-variant-numeric:tabular-nums;
}
.card h3{font-size:20px;font-weight:700;margin-bottom:12px;}
.card p{font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.card-list{margin-top:18px;display:grid;gap:10px;}
.card-list li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink-2);line-height:1.7;}
.card-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--c-primary);}
.card-7{grid-column:span 7;display:grid;grid-template-columns:1fr 200px;gap:24px;align-items:center;}
.card-5{grid-column:span 5;}
.card-6{grid-column:span 6;}
.card-7 img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-sm);}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{position:relative;padding-top:34px;}
.step::before{
  content:"";position:absolute;top:11px;left:22px;right:-24px;height:1px;
  border-top:1px dashed var(--c-line);
}
.step:last-child::before{display:none;}
.step .node{position:absolute;top:4px;left:0;width:16px;height:16px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 6px rgba(224,67,43,.12);}
.step b{display:block;font-size:13px;font-weight:800;color:var(--c-primary-deep);letter-spacing:1px;margin-bottom:8px;font-variant-numeric:tabular-nums;}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-ink-2);line-height:1.75;}

/* ---------- 徽章条 ---------- */
.badge-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;}
.badge-card{border-radius:20px;padding:24px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);}
.badge-card b{display:block;font-size:26px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;margin-bottom:6px;}
.badge-card span{font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- CTA 横条 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2);
}
.cta-band h3{font-size:clamp(20px,2.4vw,26px);font-weight:750;margin-bottom:8px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.86);max-width:56ch;}
.cta-band .btn{background:#fff;color:var(--c-primary-deep);}
.cta-band .btn:hover{background:#fff;color:var(--c-primary-deep);}

/* ---------- 表单 ---------- */
.form-section{padding:clamp(56px,8vw,104px) 0;}
.form-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.form-points{display:grid;gap:16px;margin:26px 0 24px;}
.form-points li{position:relative;padding-left:30px;font-size:15px;color:var(--c-ink-2);}
.form-points li::before{
  content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--c-primary-soft);border:1.5px solid var(--c-primary);
}
.form-points li::after{
  content:"";position:absolute;left:6px;top:9px;width:6px;height:3px;border-left:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);transform:rotate(-45deg);
}
.form-card{
  position:relative;background:var(--c-surface);border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--shadow-1);border:1px solid var(--c-line);overflow:hidden;
}
.form-card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grad-brand);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field label .req{color:var(--c-primary);}
.input,.select,.textarea{
  width:100%;border-radius:12px;border:1px solid var(--c-line);background:#FBFAF8;
  padding:0 16px;height:48px;font-size:15px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.textarea{height:auto;min-height:110px;padding:12px 16px;line-height:1.7;resize:vertical;}
.input:focus,.select:focus,.textarea:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(224,67,43,.18);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);margin:6px 0 20px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto;}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:14px;text-align:center;}
.privacy-note{
  display:flex;gap:12px;align-items:flex-start;margin-top:24px;padding:18px 22px;border-radius:var(--r-md);
  background:var(--c-primary-soft);font-size:13px;line-height:1.7;color:var(--c-ink-2);
}
.privacy-note b{color:var(--c-primary-deep);}

/* ---------- 悬浮咨询 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;height:52px;padding:0 26px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;
  box-shadow:var(--shadow-2);transition:transform .18s var(--ease);
}
.float-cta:hover{transform:translateY(-2px);}
.overlay{
  position:fixed;inset:0;z-index:80;background:rgba(16,34,43,.6);display:none;
  align-items:center;justify-content:center;padding:24px;
}
.overlay.is-open{display:flex;}
.modal{
  position:relative;width:100%;max-width:480px;background:var(--c-surface);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-2);max-height:90vh;overflow:auto;
}
.modal h3{font-size:22px;font-weight:750;margin-bottom:8px;}
.modal p.modal-sub{font-size:14px;color:var(--c-ink-2);margin-bottom:22px;}
.modal-close{
  position:absolute;right:16px;top:16px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;color:var(--c-ink-2);background:#F2F0EB;
}
.modal-close:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-deep);color:rgba(255,255,255,.72);margin-top:clamp(56px,8vw,104px);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px;}
.footer-brand .logo-text{color:#fff;display:block;margin-bottom:16px;font-size:20px;font-weight:800;}
.footer-brand .logo-text em{color:var(--c-primary);}
.footer-brand p{font-size:14px;line-height:1.8;max-width:34ch;}
.social{display:flex;gap:10px;margin-top:20px;}
.social a{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  display:grid;place-items:center;font-size:13px;color:rgba(255,255,255,.82);text-decoration:none;
  transition:all .18s var(--ease);
}
.social a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;text-decoration:none;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none;}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact .num{font-variant-numeric:tabular-nums;}
.qr{
  margin-top:18px;width:96px;height:96px;border-radius:12px;border:1px dashed rgba(255,255,255,.32);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.5;color:rgba(255,255,255,.6);padding:8px;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 32px;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 抽屉导航 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(16,34,43,.6);display:none;
}
.drawer.is-open{display:block;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(360px,88vw);background:var(--c-surface);
  padding:24px;overflow:auto;box-shadow:var(--shadow-2);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-nav{display:grid;gap:6px;}
.drawer-nav a{
  padding:14px 16px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--c-ink);text-decoration:none;
}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);text-decoration:none;}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.drawer .btn{margin-top:20px;}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{aspect-ratio:16/10;}
  .feature-grid{grid-template-columns:repeat(6,1fr);}
  .card-7,.card-5{grid-column:span 6;}
  .card-7{grid-template-columns:1fr;gap:18px;}
  .card-7 img{aspect-ratio:16/9;}
  .card-6{grid-column:span 3;}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px;}
  .step:nth-child(2)::before{display:none;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .data-card{grid-template-columns:1fr;}
  .data-card-value{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);}
}
@media (max-width:860px){
  .nav-main{flex-wrap:wrap;padding:12px 0;gap:14px;}
  .search{order:3;max-width:100%;width:100%;flex:1 1 100%;}
  .icon-btn{display:grid;}
  .nav-actions .btn-text{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .site-header{position:static;}
  .nav-actions .btn-primary{display:none;}
  .badge-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
  .hero-stats{gap:18px;}
  .cta-band{padding:26px 22px;}
  .qa-head{padding:16px 16px;gap:12px;}
  .qa-body-inner{padding:0 16px 18px 16px;}
  .qa-question{font-size:16px;}
  .steps{grid-template-columns:1fr;}
  .step::before{display:none;}
  .step{padding-left:26px;padding-top:0;}
  .step .node{top:6px;}
  .form-card{padding:24px 20px;}
  .float-cta{right:16px;bottom:16px;height:56px;width:56px;padding:0;justify-content:center;font-size:0;}
  .float-cta svg{width:22px;height:22px;}
  .overlay{align-items:flex-end;padding:0;}
  .modal{border-radius:24px 24px 0 0;max-width:none;animation:drawerUp .22s var(--ease);}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .card{padding:24px 20px;}
  .cta-band .btn{width:100%;}
}
@keyframes drawerUp{from{transform:translateY(40px);opacity:.6;}to{transform:translateY(0);opacity:1;}}