/* roulang page: index */
:root{
--c-primary:#FF5C39;
--c-primary-deep:#E0431F;
--c-accent:#12A594;
--c-gold:#FFC24B;
--c-ink:#0F2E2A;
--c-ink-2:#16453B;
--c-bg:#FCF8F4;
--c-soft:#F6EEE7;
--c-card:#FFFFFF;
--c-line:#ECE2D9;
--c-text:#16191C;
--c-sub:#5A6570;
--c-mute:#8A939C;
--grad-brand:linear-gradient(118deg,#FF5C39 0%,#FF9A3D 58%,#FFC24B 100%);
--grad-ink:linear-gradient(140deg,#0F2E2A 0%,#16453B 100%);
--sh-1:0 2px 8px rgba(15,46,42,.05);
--sh-2:0 10px 28px rgba(15,46,42,.08);
--sh-3:0 20px 48px rgba(15,46,42,.12);
--sh-brand:0 12px 28px rgba(255,92,57,.28);
--r-sm:10px;
--r-md:16px;
--r-lg:24px;
--r-xl:32px;
--r-pill:999px;
--w:1200px;
--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","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
font-size:16px;
line-height:1.8;
color:var(--c-text);
background:var(--c-bg);
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.1em;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--c-text);}
:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--soft{background:var(--c-soft);}
.section--tight{padding:72px 0;}
h1{font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:22px;line-height:1.4;font-weight:700;}
.lead{font-size:17px;color:var(--c-sub);line-height:1.85;}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
padding:6px 14px;border-radius:var(--r-pill);
border:1px solid rgba(18,165,148,.32);
color:var(--c-accent);font-size:13px;font-weight:500;
background:rgba(18,165,148,.06);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head .sub{max-width:560px;color:var(--c-sub);font-size:15.5px;margin-top:12px;}
.sec-head h2 .mark{color:var(--c-primary);}
.text-link{color:var(--c-accent);font-weight:500;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px;}
.text-link:hover{color:var(--c-primary);}
/* buttons */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
border-radius:var(--r-pill);padding:14px 28px;font-size:15.5px;font-weight:700;
transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(255,92,57,.22);background-size:120% 100%;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-brand);background-position:6% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;border:1.5px solid var(--c-line);color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:#FFF6F2;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--c-ink);}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.18);}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1);}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-block{width:100%;}
/* header */
.site-header{
position:sticky;top:0;z-index:60;
background:rgba(252,248,244,.92);
border-bottom:1px solid transparent;
backdrop-filter:saturate(1.4) blur(10px);
transition:box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-line);box-shadow:var(--sh-2);}
.nav-wrap{
max-width:var(--w);margin:0 auto;padding:0 24px;
display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
height:84px;transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:68px;}
.nav-group{display:flex;align-items:center;gap:28px;}
.nav-group.right{justify-content:flex-end;}
.nav-link{
position:relative;font-size:15px;font-weight:500;color:var(--c-text);padding:6px 0;
}
.nav-link::after{
content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
background:var(--c-primary);transform:scaleX(0);transform-origin:left;
transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.logo-mark{
width:40px;height:40px;border-radius:14px;background:var(--grad-brand);
display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(255,92,57,.28);
flex:none;
}
.logo-mark svg{width:18px;height:18px;fill:#fff;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;letter-spacing:.01em;font-weight:700;}
.logo-text span{font-size:11px;color:var(--c-mute);letter-spacing:.18em;font-weight:500;}
.nav-toggle{
display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--c-line);
align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);position:relative;transition:.2s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);transition:.2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.drawer-open .nav-toggle span{background:transparent;}
body.drawer-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
body.drawer-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}
.drawer{
position:fixed;inset:0;z-index:55;background:var(--c-bg);
padding:104px 24px 32px;display:none;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer a.drawer-link{
display:flex;align-items:center;justify-content:space-between;
font-size:18px;font-weight:500;padding:18px 0;border-bottom:1px solid var(--c-line);
}
.drawer a.drawer-link.active{color:var(--c-primary);font-weight:700;}
.drawer .drawer-foot{margin-top:auto;padding-top:28px;display:grid;gap:14px;}
.drawer .drawer-foot small{color:var(--c-mute);font-size:12.5px;line-height:1.7;}
/* hero */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;border-bottom:1px solid var(--c-line);}
.hero::before{
content:"";position:absolute;top:-180px;right:-140px;width:620px;height:620px;border-radius:50%;
background:radial-gradient(circle at center,rgba(255,92,57,.14),rgba(255,194,75,.10) 45%,rgba(255,194,75,0) 70%);
pointer-events:none;
}
.hero::after{
content:"";position:absolute;bottom:-220px;left:-180px;width:520px;height:520px;border-radius:50%;
background:radial-gradient(circle at center,rgba(18,165,148,.10),rgba(18,165,148,0) 68%);
pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero-copy h1{margin:20px 0 18px;}
.hl{
background:var(--grad-brand);
-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--c-sub);max-width:520px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.trust-chip{
display:inline-flex;align-items:center;gap:7px;
padding:8px 14px;border-radius:var(--r-pill);
border:1px solid var(--c-line);background:#fff;
font-size:13px;color:var(--c-sub);font-weight:500;
}
.trust-chip svg{width:14px;height:14px;fill:var(--c-accent);flex:none;}
.hero-visual{position:relative;}
.hero-figure{
position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);
aspect-ratio:16/10;background:linear-gradient(140deg,#F6EEE7,#FCF8F4);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.float-badge{
position:absolute;background:#fff;border-radius:20px;box-shadow:var(--sh-3);
padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.float-badge .num{font-size:26px;font-weight:700;letter-spacing:-.02em;font-feature-settings:"tnum";color:var(--c-primary);line-height:1;}
.float-badge .txt{font-size:12px;color:var(--c-sub);line-height:1.5;}
.fb-1{left:-22px;bottom:38px;}
.fb-2{right:-14px;top:34px;background:var(--c-ink);}
.fb-2 .num{color:var(--c-gold);}
.fb-2 .txt{color:rgba(255,255,255,.72);}
/* pill nav */
.pill-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.pill{
display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
background:#fff;border:1px solid var(--c-line);font-size:14px;font-weight:500;color:var(--c-sub);
transition:.2s var(--ease);
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1);}
.pill.on{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(255,92,57,.22);}
/* pain section */
.pain-grid{display:grid;grid-template-columns:.85fr 1.6fr;gap:48px;align-items:start;}
.pain-left h2{margin-bottom:16px;}
.pain-left .lead{font-size:15.5px;}
.pain-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.pain-card{
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;
transition:.22s var(--ease);
}
.pain-card:hover{border-color:var(--c-primary);transform:translateY(-2px);}
.pain-card .idx{
font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.08em;font-feature-settings:"tnum";
}
.pain-card h3{font-size:18px;margin:10px 0 8px;line-height:1.5;}
.pain-card p{font-size:14px;color:var(--c-sub);margin:0;}
/* solution */
.sol-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.sol-feature{
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);
padding:32px;box-shadow:var(--sh-1);display:grid;gap:22px;
}
.sol-feature .thumb{
border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:var(--c-soft);
}
.sol-feature .thumb img{width:100%;height:100%;object-fit:cover;}
.tag{
display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
font-size:12px;font-weight:500;background:rgba(255,194,75,.22);color:#8A5B00;border:1px solid rgba(255,194,75,.5);
}
.tag.teal{background:rgba(18,165,148,.10);color:#0B7A6D;border-color:rgba(18,165,148,.28);}
.sol-feature h3{font-size:24px;margin:14px 0 10px;}
.sol-feature p{color:var(--c-sub);font-size:15px;}
.check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-sub);line-height:1.7;}
.check-list li::before{
content:"";flex:none;width:18px;height:18px;margin-top:4px;border-radius:50%;
background:rgba(18,165,148,.14) url("data:image/svg+xml;utf8,") center/12px no-repeat;
}
.sol-side{display:grid;gap:24px;align-content:start;}
.mini-card{
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;
display:flex;gap:18px;align-items:flex-start;transition:.22s var(--ease);box-shadow:var(--sh-1);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CB;}
.mini-card .ico{
width:46px;height:46px;border-radius:14px;flex:none;
display:flex;align-items:center;justify-content:center;background:var(--c-soft);
}
.mini-card .ico svg{width:22px;height:22px;fill:var(--c-primary);}
.mini-card h3{font-size:17px;margin-bottom:6px;}
.mini-card p{font-size:14px;color:var(--c-sub);margin:0;line-height:1.7;}
/* data band */
.data-band{background:var(--grad-ink);color:#fff;padding:72px 0;}
.data-band .band-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-bottom:36px;}
.data-band h2{color:#fff;}
.data-band .band-head p{color:rgba(255,255,255,.7);font-size:15px;max-width:520px;margin-top:10px;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.data-item{
border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:24px;
background:rgba(255,255,255,.04);position:relative;transition:.22s var(--ease);
}
.data-item:hover{background:rgba(255,255,255,.08);transform:translateY(-3px);}
.data-item::before{
content:"";position:absolute;left:24px;top:22px;width:8px;height:8px;border-radius:50%;background:var(--c-primary);
}
.data-item .num{
font-size:40px;font-weight:700;line-height:1.05;letter-spacing:-.02em;font-feature-settings:"tnum";
display:block;margin:22px 0 6px;color:#fff;
}
.data-item .num small{font-size:16px;font-weight:500;margin-left:4px;color:var(--c-gold);}
.data-item .cap{font-size:13px;color:rgba(255,255,255,.68);}
/* cms list */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
padding:16px 16px 20px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
transition:.22s var(--ease);height:100%;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CB;}
.post-card .thumb{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(140deg,#F6EEE7,#FCF8F4);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:16px 8px 0;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:18px;line-height:1.55;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover h3{color:var(--c-primary);}
.post-card .excerpt{
font-size:14px;color:var(--c-sub);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;
-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;
}
.post-meta{
margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-mute);
border-top:1px solid var(--c-line);padding-top:12px;
}
.post-meta .arrow{margin-left:auto;color:var(--c-primary);font-weight:700;}
.empty-state{
grid-column:1/-1;min-height:240px;border:1px dashed var(--c-line);border-radius:var(--r-lg);
background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
color:var(--c-mute);font-size:14.5px;padding:32px;text-align:center;
}
.empty-state svg{width:44px;height:44px;fill:#D8CCC1;}
/* form */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.form-left h2{margin-bottom:16px;}
.form-left .lead{font-size:15.5px;max-width:460px;}
.form-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;}
.field label i{color:var(--c-primary);font-style:normal;}
.field input[type=text],.field input[type=tel],.field textarea,.field select{
width:100%;height:48px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
padding:0 14px;transition:.2s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus,.field select:focus{
outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,92,57,.12);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:#D92D20;}
.field .err{display:none;font-size:12px;color:#D92D20;margin-top:6px;}
.field.has-error .err{display:block;}
.radio-row{display:flex;flex-wrap:wrap;gap:10px;}
.radio-row label{
display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
border:1px solid var(--c-line);font-size:14px;cursor:pointer;margin:0;transition:.2s var(--ease);
}
.radio-row input{accent-color:var(--c-primary);}
.radio-row label:hover{border-color:var(--c-primary);color:var(--c-primary);}
.agree{display:flex;gap:10px;font-size:13px;color:var(--c-sub);line-height:1.7;align-items:flex-start;margin:6px 0 18px;}
.agree input{margin-top:4px;accent-color:var(--c-primary);}
.agree a{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.form-note{font-size:12.5px;color:var(--c-mute);margin-top:14px;line-height:1.7;}
.form-success{
display:none;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;
background:rgba(18,165,148,.10);color:#0B7A6D;font-size:14px;margin-bottom:18px;
}
.form-success.is-on{display:flex;}
/* faq */
.faq-list{max-width:920px;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
text-align:left;padding:22px 0;font-size:17px;font-weight:500;color:var(--c-text);
transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-q .ic{
width:28px;height:28px;border-radius:50%;flex:none;border:1.5px solid var(--c-line);
display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--c-sub);
transition:.22s var(--ease);line-height:1;
}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-item.is-open .faq-q .ic{transform:rotate(45deg);border-color:var(--c-primary);color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a p{font-size:15px;color:var(--c-sub);line-height:1.85;max-width:820px;padding:0 0 24px;}
/* cta band */
.cta-band{background:var(--grad-ink);color:#fff;padding:80px 0;position:relative;overflow:hidden;}
.cta-band::after{
content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
background:radial-gradient(circle,rgba(255,194,75,.22),rgba(255,194,75,0) 68%);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;max-width:620px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;margin-top:12px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
/* footer */
.site-footer{background:var(--grad-ink);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.8;margin:18px 0 20px;max-width:300px;}
.socials{display:flex;gap:10px;}
.socials a{
width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
display:flex;align-items:center;justify-content:center;transition:.2s var(--ease);
}
.socials a svg{width:16px;height:16px;fill:rgba(255,255,255,.75);}
.socials a:hover{border-color:var(--c-primary);background:rgba(255,92,57,.16);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--c-primary);text-underline-offset:4px;}
.footer-col p{font-size:14px;line-height:1.9;}
.footer-col p strong{color:#fff;font-weight:500;}
.footer-bottom{
border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:#fff;}
/* back to top */
.to-top{
position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
border:1.5px solid var(--c-line);background:#fff;box-shadow:var(--sh-2);
display:flex;align-items:center;justify-content:center;z-index:50;
opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible;transform:none;}
.to-top svg{width:16px;height:16px;fill:var(--c-primary);}
.to-top:hover{background:var(--c-primary);border-color:var(--c-primary);}
.to-top:hover svg{fill:#fff;}
/* modal */
.modal{
position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:24px;
background:rgba(15,46,42,.55);backdrop-filter:blur(4px);
}
.modal.is-open{display:flex;}
.modal-panel{
position:relative;width:100%;max-width:560px;background:#fff;border-radius:var(--r-lg);
padding:34px;box-shadow:var(--sh-3);max-height:90vh;overflow-y:auto;
}
.modal-panel h3{font-size:22px;margin-bottom:8px;}
.modal-panel .m-sub{font-size:14px;color:var(--c-sub);margin-bottom:22px;}
.modal-close{
position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;
border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;
font-size:18px;color:var(--c-sub);transition:.2s var(--ease);line-height:1;
}
.modal-close:hover{border-color:var(--c-primary);color:var(--c-primary);transform:rotate(90deg);}
/* responsive */
@media (max-width:1279px){
.container{padding:0 20px;}
.section{padding:80px 0;}
h1{font-size:40px;}
h2{font-size:30px;}
}
@media (max-width:1024px){
.nav-wrap{grid-template-columns:auto 1fr auto;}
.nav-group{display:none;}
.nav-toggle{display:flex;}
.logo{justify-self:start;}
.hero-grid{grid-template-columns:1fr;gap:40px;}
.hero-visual{order:2;}
.pain-grid{grid-template-columns:1fr;gap:28px;}
.sol-grid{grid-template-columns:1fr;}
.card-grid{grid-template-columns:repeat(2,1fr);}
.form-wrap{grid-template-columns:1fr;gap:32px;}
.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
.section{padding:72px 0;}
}
@media (max-width:820px){
h1{font-size:34px;}
h2{font-size:26px;}
h3{font-size:19px;}
.data-grid{grid-template-columns:repeat(2,1fr);}
.pain-cards{grid-template-columns:1fr;}
.float-badge{padding:10px 14px;border-radius:16px;}
.float-badge .num{font-size:20px;}
.fb-1{left:8px;bottom:10px;}
.fb-2{right:8px;top:10px;}
}
@media (max-width:600px){
.container{padding:0 16px;}
.section{padding:52px 0;}
.hero{padding:44px 0 56px;}
h1{font-size:28px;line-height:1.32;}
h2{font-size:23px;}
.hero-actions .btn{width:100%;}
.card-grid{grid-template-columns:1fr;}
.data-band{padding:52px 0;}
.data-item .num{font-size:32px;}
.cta-band{padding:56px 0;}
.cta-actions .btn{width:100%;}
.footer-grid{grid-template-columns:1fr;gap:28px;}
.form-panel{padding:22px;}
.sol-feature{padding:22px;}
.faq-q{font-size:16px;padding:18px 0;gap:14px;}
.footer-bottom{flex-direction:column;gap:10px;}
.to-top{right:16px;bottom:18px;}
.modal-panel{padding:24px;}
}
/* roulang page: article */
:root{
--c-primary:#FF5C39;
--c-primary-deep:#E0431F;
--c-accent:#12A594;
--c-gold:#FFC24B;
--c-ink:#0F2E2A;
--c-ink-2:#16453B;
--c-bg:#FCF8F4;
--c-bg-alt:#F6EEE7;
--c-card:#FFFFFF;
--c-line:#ECE2D9;
--c-text:#16191C;
--c-text-2:#5A6570;
--c-text-3:#8A939C;
--grad-brand:linear-gradient(118deg,#FF5C39 0%,#FF9A3D 58%,#FFC24B 100%);
--grad-ink:linear-gradient(140deg,#0F2E2A 0%,#16453B 100%);
--r-s:10px; --r-m:16px; --r-l:24px; --r-xl:32px; --r-pill:999px;
--sh-1:0 2px 8px rgba(15,46,42,.05);
--sh-2:0 10px 28px rgba(15,46,42,.08);
--sh-3:0 20px 48px rgba(15,46,42,.12);
--sh-brand:0 12px 28px rgba(255,92,57,.28);
--ease:cubic-bezier(.2,.7,.3,1);
--container:1200px;
}
*,*::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-text);
font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
font-size:16px;line-height:1.8;font-weight:400;
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-text);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
/* ---------- header ---------- */
.site-header{
position:sticky;top:0;z-index:80;background:rgba(252,248,244,.92);
backdrop-filter:saturate(150%) blur(8px);
border-bottom:1px solid transparent;
transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.scrolled{background:#fff;box-shadow:var(--sh-2);border-bottom-color:var(--c-line);}
.nav-wrap{
max-width:var(--container);margin:0 auto;padding:0 24px;
display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
height:88px;transition:height .22s var(--ease);
}
.site-header.scrolled .nav-wrap{height:68px;}
.nav-group{display:flex;align-items:center;gap:8px;}
.nav-group.right{justify-content:flex-end;}
.nav-link{
position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);
padding:8px 12px;border-radius:var(--r-s);
}
.nav-link::after{
content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.logo-mark{
width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-brand);flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;fill:#fff;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text b{font-size:18px;font-weight:700;letter-spacing:.01em;}
.logo-text span{font-size:11px;color:var(--c-text-3);letter-spacing:.22em;margin-top:3px;}
.nav-toggle{
display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--c-line);
align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
position:relative;transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}
/* ---------- buttons ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);background-size:160% 100%;color:#fff;box-shadow:0 6px 16px rgba(255,92,57,.22);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-brand);background-position:12% 0;color:#fff;}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-text);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);background:#FFF6F2;}
.btn-outline:active{transform:scale(.98);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
/* ---------- page hero (article head) ---------- */
.page-hero{
position:relative;overflow:hidden;
background:linear-gradient(180deg,#FFF9F4 0%,var(--c-bg) 100%);
border-bottom:1px solid var(--c-line);
padding:44px 0 48px;
}
.page-hero::before{
content:"";position:absolute;right:-140px;top:-180px;width:520px;height:520px;border-radius:50%;
background:var(--grad-brand);opacity:.12;filter:blur(6px);pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
display:flex;flex-wrap:wrap;align-items:center;gap:8px;
font-size:13px;color:var(--c-text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-text-3);}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{color:#C9BEB4;}
.breadcrumb .current{color:var(--c-text);}
.badge{
display:inline-flex;align-items:center;gap:6px;
padding:5px 14px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
background:#FFF3EC;color:var(--c-primary-deep);border:1px solid #FFD9CB;
}
.badge-accent{background:rgba(18,165,148,.1);color:#0C7F73;border-color:rgba(18,165,148,.24);}
.badge-gold{background:rgba(255,194,75,.18);color:#8A5A00;border-color:rgba(255,194,75,.6);}
.article-head h1{
font-size:44px;line-height:1.28;margin:16px 0 18px;letter-spacing:-.01em;max-width:920px;
}
.article-meta{
display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
font-size:14px;color:var(--c-text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC5BB;display:inline-block;}
.article-meta strong{color:var(--c-text-2);font-weight:500;}
/* ---------- article layout ---------- */
.article-shell{
display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;
align-items:start;padding:64px 0 88px;
}
.article-card{
background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-xl);
padding:40px;box-shadow:var(--sh-1);
}
.article-body{max-width:780px;font-size:16px;line-height:1.9;color:#22272B;}
.article-body p{margin:0 0 20px;}
.article-body h2{
position:relative;font-size:26px;line-height:1.35;margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--c-primary);
}
.article-body h3{font-size:21px;margin:32px 0 12px;font-weight:700;}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul li{list-style:disc;margin-bottom:8px;}
.article-body ol li{list-style:decimal;margin-bottom:8px;}
.article-body ul li::marker,.article-body ol li::marker{color:var(--c-accent);font-weight:700;}
.article-body a{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--c-primary);}
.article-body img{border-radius:var(--r-m);margin:26px auto;box-shadow:var(--sh-1);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;}
.article-body blockquote{
margin:26px 0;padding:18px 22px;background:var(--c-bg-alt);
border-left:4px solid var(--c-primary);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);text-align:left;}
.article-body th{background:var(--c-bg-alt);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FDF9F5;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}
.article-foot{
margin-top:36px;padding-top:26px;border-top:1px solid var(--c-line);
display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
display:inline-flex;padding:6px 14px;border-radius:var(--r-pill);
background:var(--c-bg-alt);color:var(--c-text-2);font-size:13px;border:1px solid var(--c-line);
transition:all .2s var(--ease);
}
.tag:hover{background:#FFF3EC;border-color:#FFD9CB;color:var(--c-primary-deep);}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);}
.share-btn{
width:38px;height:38px;border-radius:50%;border:1.5px solid var(--c-line);background:#fff;
display:inline-flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.share-btn svg{width:16px;height:16px;fill:var(--c-text-2);transition:fill .2s var(--ease);}
.share-btn:hover{border-color:var(--c-primary);background:#FFF6F2;transform:translateY(-2px);}
.share-btn:hover svg{fill:var(--c-primary);}
/* ---------- aside ---------- */
.aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-l);
padding:24px;box-shadow:var(--sh-1);
}
.aside-title{
font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.aside-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.toc{font-size:14px;line-height:1.6;}
.toc li{margin-bottom:2px;}
.toc a{
display:block;padding:7px 12px;border-radius:8px;color:var(--c-text-2);border-left:2px solid transparent;
transition:all .2s var(--ease);
}
.toc a:hover{background:var(--c-bg-alt);color:var(--c-primary);border-left-color:var(--c-primary);}
.aside-list{display:flex;flex-direction:column;gap:14px;}
.aside-item{display:flex;gap:12px;align-items:center;}
.aside-item img{width:64px;height:64px;border-radius:14px;object-fit:cover;flex:0 0 auto;}
.aside-item h4{font-size:14px;font-weight:700;line-height:1.45;margin-bottom:4px;}
.aside-item span{font-size:12px;color:var(--c-text-3);}
.aside-item:hover h4{color:var(--c-primary);}
.aside-cta{
background:var(--grad-ink);color:#fff;border:0;border-radius:var(--r-l);padding:26px;
box-shadow:var(--sh-2);
}
.aside-cta h4{font-size:18px;margin-bottom:10px;}
.aside-cta p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:18px;}
.aside-cta .btn{font-size:14px;padding:12px 22px;}
/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-l);
overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CB;}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(120deg,#F6EEE7,#FDF6EF);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:18px;line-height:1.45;}
.rec-card:hover .rec-body h3{color:var(--c-primary);}
.rec-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.rec-more{margin-top:auto;font-size:14px;font-weight:700;color:var(--c-accent);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:32px;line-height:1.3;margin-bottom:12px;}
.section-head p{color:var(--c-text-2);font-size:15px;line-height:1.85;}
/* ---------- CTA / form ---------- */
.cta-band{
background:var(--grad-ink);color:#fff;border-radius:var(--r-xl);
padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.cta-band::after{
content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
background:var(--grad-brand);opacity:.18;filter:blur(4px);
}
.cta-band h2{font-size:32px;line-height:1.3;margin-bottom:14px;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.85;margin-bottom:22px;position:relative;z-index:1;}
.check-list{display:flex;flex-direction:column;gap:10px;position:relative;z-index:1;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.85);}
.check-list li::before{
content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:3px;
background:rgba(18,165,148,.22) url("data:image/svg+xml;utf8,") center/14px no-repeat;
}
.form-card{
background:#fff;border-radius:var(--r-l);padding:32px;box-shadow:var(--sh-2);
position:relative;z-index:1;color:var(--c-text);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-sub{font-size:13px;color:var(--c-text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:500;color:var(--c-text-2);margin-bottom:6px;}
.field input,.field select,.field textarea{
width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:12px;
background:#FDFBF9;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:auto;min-height:88px;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(255,92,57,.12);
}
.field.invalid input,.field.invalid select{border-color:#D92D20;box-shadow:0 0 0 3px rgba(217,45,32,.1);}
.err-msg{display:none;font-size:12px;color:#D92D20;margin-top:6px;}
.field.invalid .err-msg{display:block;}
.checkbox{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--c-text-3);line-height:1.7;}
.checkbox input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-primary);}
.checkbox a{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px;}
.form-ok{
display:none;align-items:center;gap:8px;margin-top:14px;padding:12px 14px;border-radius:12px;
background:rgba(18,165,148,.1);color:#0C7F73;font-size:13.5px;font-weight:500;
}
.form-ok.show{display:flex;}
/* ---------- modal ---------- */
.modal{
position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:20px;
background:rgba(15,46,42,.55);backdrop-filter:blur(4px);
}
.modal.open{display:flex;}
.modal-panel{
width:100%;max-width:560px;background:#fff;border-radius:var(--r-l);padding:32px;
box-shadow:var(--sh-3);position:relative;max-height:90vh;overflow:auto;
animation:popIn .24s var(--ease);
}
@keyframes popIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.modal-close{
position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;
background:var(--c-bg-alt);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-text-2);
}
.modal-close:hover{background:#FFE7DD;color:var(--c-primary-deep);}
/* ---------- empty state ---------- */
.empty-state{
min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
text-align:center;background:var(--c-card);border:1px dashed var(--c-line);border-radius:var(--r-xl);padding:56px 24px;
}
.empty-state h1{font-size:26px;}
.empty-state p{color:var(--c-text-2);font-size:15px;}
/* ---------- footer ---------- */
.site-footer{background:var(--grad-ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin-bottom:20px;max-width:320px;}
.socials{display:flex;gap:10px;}
.socials a{
width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
display:inline-flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.socials svg{width:17px;height:17px;fill:rgba(255,255,255,.75);transition:fill .2s var(--ease);}
.socials a:hover{background:rgba(255,255,255,.1);border-color:var(--c-primary);transform:translateY(-2px);}
.socials a:hover svg{fill:#fff;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--c-primary);}
.footer-col p{font-size:14px;line-height:1.9;margin-bottom:8px;}
.footer-col strong{color:rgba(255,255,255,.9);font-weight:500;}
.footer-bottom{
border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a:hover{color:#fff;}
.to-top{
position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
border:1.5px solid var(--c-line);background:#fff;box-shadow:var(--sh-2);
display:flex;align-items:center;justify-content:center;z-index:70;
opacity:0;visibility:hidden;transform:translateY(10px);
transition:all .24s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top svg{width:18px;height:18px;fill:var(--c-ink);}
.to-top:hover{border-color:var(--c-primary);}
.to-top:hover svg{fill:var(--c-primary);}
/* ---------- responsive ---------- */
@media (max-width:1280px){
.section{padding:80px 0;}
.article-head h1{font-size:38px;}
}
@media (max-width:1024px){
.section{padding:64px 0;}
.nav-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;height:auto;padding:14px 20px;gap:0;}
.site-header.scrolled .nav-wrap{height:auto;}
.logo{order:1;justify-self:auto;}
.nav-toggle{order:2;display:flex;}
.nav-group{
order:3;flex:1 1 100%;flex-direction:column;align-items:stretch;gap:0;
max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
}
body.nav-open .nav-group{max-height:480px;}
.nav-group.left{padding-top:10px;}
.nav-group.right{padding-bottom:10px;}
.nav-group .nav-link{padding:14px 4px;font-size:17px;border-bottom:1px solid var(--c-line);border-radius:0;}
.nav-group .nav-link::after{display:none;}
.nav-group.right .btn{width:100%;margin-top:14px;}
.article-shell{grid-template-columns:1fr;gap:32px;padding:44px 0 64px;}
.aside{position:static;}
.article-card{padding:28px;}
.cta-band{grid-template-columns:1fr;padding:40px;gap:32px;}
.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
.container{padding:0 16px;}
.section{padding:52px 0;}
.page-hero{padding:32px 0 36px;}
.article-head h1{font-size:30px;}
.article-card{padding:22px;border-radius:var(--r-l);}
.article-body{font-size:15.5px;}
.article-body h2{font-size:22px;margin-top:32px;}
.article-body h3{font-size:19px;}
.section-head h2{font-size:26px;}
.cta-band{padding:28px;border-radius:var(--r-l);}
.cta-band h2{font-size:24px;}
.related-grid{grid-template-columns:1fr;}
.footer-grid{grid-template-columns:1fr;gap:28px;}
.footer-bottom{flex-direction:column;align-items:flex-start;}
.to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
.logo-text b{font-size:16px;}
.logo-mark{width:34px;height:34px;border-radius:10px;}
.article-meta{font-size:13px;gap:8px 14px;}
.article-card{padding:18px;}
.form-card{padding:22px;}
.btn{padding:13px 22px;font-size:14.5px;}
.article-foot{flex-direction:column;align-items:flex-start;}
}
/* roulang page: category1 */
:root{
--c-primary:#FF5C39;
--c-primary-deep:#E0431F;
--c-accent:#12A594;
--c-gold:#FFC24B;
--c-ink:#0F2E2A;
--c-ink-2:#16453B;
--c-bg:#FCF8F4;
--c-card:#FFFFFF;
--c-section:#F6EEE7;
--c-line:#ECE2D9;
--c-text:#16191C;
--c-sub:#5A6570;
--c-weak:#8A939C;
--grad-brand:linear-gradient(118deg,#FF5C39 0%,#FF9A3D 58%,#FFC24B 100%);
--grad-ink:linear-gradient(140deg,#0F2E2A 0%,#16453B 100%);
--r-sm:10px;
--r-md:16px;
--r-lg:24px;
--r-xl:32px;
--r-pill:999px;
--sh-1:0 2px 8px rgba(15,46,42,.05);
--sh-2:0 10px 28px rgba(15,46,42,.08);
--sh-3:0 20px 48px rgba(15,46,42,.12);
--sh-brand:0 12px 28px rgba(255,92,57,.28);
--ease:cubic-bezier(.2,.7,.3,1);
--container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
margin:0;
font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
font-size:16px;
line-height:1.8;
color:var(--c-text);
background:var(--c-bg);
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;}
:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
/* ---------- Header ---------- */
.site-header{
position:sticky;top:0;z-index:80;
background:rgba(252,248,244,.92);
backdrop-filter:saturate(160%) blur(10px);
border-bottom:1px solid transparent;
transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
background:#fff;
box-shadow:var(--sh-2);
border-bottom-color:var(--c-line);
}
.nav-wrap{
max-width:var(--container);margin:0 auto;padding:0 24px;
display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
height:84px;transition:height .24s var(--ease);
}
.site-header.is-stuck .nav-wrap{height:68px;}
.nav-group{display:flex;align-items:center;gap:28px;}
.nav-group.right{justify-content:flex-end;}
.nav-link{
position:relative;font-size:15px;font-weight:500;color:var(--c-text);
padding:6px 0;white-space:nowrap;
}
.nav-link::after{
content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
background:var(--c-primary);transform:scaleX(0);transform-origin:left;
transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.logo-mark{
width:40px;height:40px;border-radius:14px;background:var(--grad-brand);
display:grid;place-items:center;box-shadow:var(--sh-brand);flex:none;
}
.logo-mark svg{width:20px;height:20px;fill:#fff;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;letter-spacing:.2px;}
.logo-text span{font-size:11px;color:var(--c-weak);letter-spacing:2px;}
.nav-toggle{
display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
background:#fff;position:relative;justify-self:end;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--c-ink);
border-radius:2px;transform:translate(-50%,-50%);transition:transform .22s var(--ease),opacity .18s;
}
.nav-toggle span::before{content:"";transform:translate(-50%,-7px);}
.nav-toggle span::after{content:"";transform:translate(-50%,7px);}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translate(-50%,-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translate(-50%,-50%) rotate(-45deg);}
/* ---------- Buttons ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
border-radius:var(--r-pill);font-weight:700;font-size:15px;
padding:14px 28px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);background-size:160% 100%;color:#fff;box-shadow:0 6px 16px rgba(255,92,57,.22);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-brand);background-position:6% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;border:1.5px solid var(--c-line);color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:#FFF6F2;}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-link{color:var(--c-accent);font-weight:700;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;}
.btn-link:hover{color:var(--c-primary);}
/* ---------- Category Hero ---------- */
.cat-hero{
position:relative;overflow:hidden;
padding:56px 0 72px;
border-bottom:1px solid var(--c-line);
background:
radial-gradient(760px 340px at 88% -10%,rgba(255,92,57,.13),transparent 70%),
radial-gradient(620px 320px at 4% 110%,rgba(18,165,148,.10),transparent 72%),
var(--c-bg);
}
.breadcrumb{
display:flex;align-items:center;gap:8px;flex-wrap:wrap;
font-size:13px;color:var(--c-weak);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-weak);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9BFB5;}
.breadcrumb .current{color:var(--c-text);font-weight:500;}
.cat-hero-grid{
display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
gap:56px;align-items:center;
}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;
padding:6px 16px;border-radius:var(--r-pill);
border:1px solid rgba(18,165,148,.35);color:#0B7A6E;
background:rgba(18,165,148,.08);font-size:13px;font-weight:500;
margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block;}
.cat-hero h1{
font-size:44px;line-height:1.22;letter-spacing:-.5px;margin-bottom:16px;
}
.cat-hero h1 em{
font-style:normal;color:var(--c-primary);
background:linear-gradient(180deg,transparent 66%,rgba(255,194,75,.45) 66%);
padding:0 2px;
}
.cat-hero .lede{
font-size:17px;color:var(--c-sub);max-width:560px;line-height:1.85;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-metrics{
display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;
}
.metric-chip{
display:inline-flex;align-items:center;gap:10px;
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
padding:10px 18px;box-shadow:var(--sh-1);
font-size:13px;color:var(--c-sub);
}
.metric-chip b{
font-size:19px;color:var(--c-ink);font-weight:700;
font-feature-settings:"tnum";letter-spacing:-.02em;
}
.metric-chip b i{font-style:normal;font-size:13px;color:var(--c-primary);font-weight:700;}
.hero-visual{position:relative;}
.hero-visual .frame{
border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-3);
aspect-ratio:16/10;background:linear-gradient(140deg,#F6EEE7,#EFE2D6);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame::after{
content:"";position:absolute;inset:0;border-radius:var(--r-xl);
background:linear-gradient(180deg,rgba(15,46,42,0) 40%,rgba(15,46,42,.32) 100%);
}
.float-badge{
position:absolute;background:#fff;border-radius:var(--r-lg);
padding:16px 20px;box-shadow:var(--sh-3);border:1px solid var(--c-line);
min-width:170px;
}
.float-badge b{display:block;font-size:26px;font-feature-settings:"tnum";line-height:1.1;letter-spacing:-.02em;}
.float-badge span{font-size:12px;color:var(--c-weak);}
.float-badge.one{left:-18px;bottom:34px;}
.float-badge.two{right:-12px;top:26px;}
.float-badge.one b{color:var(--c-primary);}
.float-badge.two b{color:var(--c-accent);}
/* ---------- Section headings ---------- */
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:32px;margin-bottom:14px;letter-spacing:-.4px;}
.sec-head p{color:var(--c-sub);font-size:16px;}
.kicker{
display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;
color:var(--c-accent);text-transform:uppercase;margin-bottom:12px;
}
.tag{
display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
background:#FFF6F2;color:var(--c-primary-deep);font-size:12px;font-weight:700;
border:1px solid #FFD9CB;
}
.tag--accent{background:rgba(18,165,148,.09);color:#0B7A6E;border-color:rgba(18,165,148,.28);}
.tag--gold{background:rgba(255,194,75,.16);color:#9A6B00;border-color:rgba(255,194,75,.5);}
/* ---------- Directory + content ---------- */
.split{
display:grid;grid-template-columns:268px minmax(0,1fr);gap:56px;
align-items:start;
}
.toc{
position:sticky;top:104px;
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
padding:24px 20px;box-shadow:var(--sh-1);
}
.toc h3{font-size:14px;color:var(--c-weak);font-weight:500;letter-spacing:1px;margin-bottom:14px;}
.toc ol{counter-reset:toc;}
.toc li{counter-increment:toc;}
.toc a{
display:flex;gap:10px;align-items:flex-start;
padding:10px 10px;border-radius:var(--r-sm);font-size:14.5px;color:var(--c-sub);
line-height:1.55;transition:background .18s var(--ease),color .18s var(--ease);
}
.toc a::before{
content:counter(toc,decimal-leading-zero);
font-size:12px;font-weight:700;color:#C9BFB5;font-feature-settings:"tnum";
padding-top:2px;
}
.toc a:hover{background:#FFF6F2;color:var(--c-primary);}
.toc a.active{background:#FFF6F2;color:var(--c-primary);font-weight:700;}
.toc a.active::before{color:var(--c-primary);}
.toc .toc-cta{
margin-top:18px;padding-top:18px;border-top:1px solid var(--c-line);
}
.toc .toc-cta p{font-size:13px;color:var(--c-weak);margin-bottom:12px;line-height:1.7;}
.content-article > section{margin-bottom:56px;scroll-margin-top:110px;}
.content-article > section:last-child{margin-bottom:0;}
.content-article h2{
font-size:28px;margin-bottom:16px;position:relative;padding-left:16px;
}
.content-article h2::before{
content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;
background:var(--grad-brand);
}
.content-article h3{font-size:20px;margin:26px 0 10px;}
.content-article p{font-size:16px;line-height:1.9;color:var(--c-sub);margin-bottom:16px;}
.content-article p strong{color:var(--c-text);font-weight:700;}
.checklist{margin:20px 0 6px;display:grid;gap:12px;}
.checklist li{
display:flex;gap:12px;align-items:flex-start;
font-size:15.5px;color:var(--c-sub);line-height:1.75;
}
.checklist li svg{
flex:none;width:20px;height:20px;margin-top:5px;fill:var(--c-accent);
}
.figure-block{
display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
gap:28px;align-items:center;margin:28px 0;
background:var(--c-section);border-radius:var(--r-lg);padding:24px;
}
.figure-block img{
width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);
background:linear-gradient(140deg,#EFE2D6,#F6EEE7);
}
.figure-block .fig-text h3{margin-top:0;font-size:19px;margin-bottom:10px;}
.figure-block .fig-text p{font-size:14.5px;margin-bottom:0;}
.note-strip{
margin-top:22px;display:flex;gap:14px;align-items:flex-start;
background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-accent);
border-radius:var(--r-md);padding:18px 20px;
}
.note-strip p{font-size:14.5px;margin:0;color:var(--c-sub);}
.note-strip strong{color:var(--c-text);}
/* ---------- Timeline ---------- */
.timeline-band{background:var(--c-section);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.timeline{
display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;
margin-top:8px;
}
.timeline::before{
content:"";position:absolute;left:0;right:0;top:19px;height:2px;
background:linear-gradient(90deg,rgba(255,92,57,.5),rgba(18,165,148,.35));
border-radius:2px;
}
.tl-item{position:relative;padding-top:52px;}
.tl-dot{
position:absolute;top:8px;left:0;width:24px;height:24px;border-radius:50%;
background:#fff;border:3px solid var(--c-primary);box-shadow:0 0 0 5px rgba(255,92,57,.12);
}
.tl-item:nth-child(2) .tl-dot{border-color:#FF8A3D;box-shadow:0 0 0 5px rgba(255,138,61,.12);}
.tl-item:nth-child(3) .tl-dot{border-color:var(--c-gold);box-shadow:0 0 0 5px rgba(255,194,75,.18);}
.tl-item:nth-child(4) .tl-dot{border-color:var(--c-accent);box-shadow:0 0 0 5px rgba(18,165,148,.14);}
.tl-item h3{font-size:18px;margin-bottom:8px;}
.tl-item p{font-size:14.5px;color:var(--c-sub);line-height:1.75;}
.tl-item .tl-time{
display:inline-block;font-size:12px;font-weight:700;color:var(--c-primary);
background:#FFF6F2;border-radius:var(--r-pill);padding:2px 10px;margin-bottom:8px;
}
/* ---------- Related pills ---------- */
.related-band{padding:64px 0;}
.pill-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.pill{
display:inline-flex;align-items:center;gap:10px;
padding:12px 22px;border-radius:var(--r-pill);background:#fff;
border:1px solid var(--c-line);font-size:15px;font-weight:500;
transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.pill:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-2);}
.pill.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-brand);}
.pill svg{width:14px;height:14px;fill:currentColor;}
/* ---------- FAQ ---------- */
.faq-list{
max-width:900px;border-top:1px solid var(--c-line);
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
text-align:left;padding:24px 4px;font-size:17px;font-weight:500;color:var(--c-text);
transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
flex:none;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--c-line);
display:grid;place-items:center;transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.faq-icon::before{
content:"";width:12px;height:2px;background:var(--c-sub);border-radius:2px;position:absolute;
}
.faq-icon::after{
content:"";width:2px;height:12px;background:var(--c-sub);border-radius:2px;position:absolute;
transition:opacity .2s var(--ease);
}
.faq-icon{position:relative;}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--c-primary);background:#FFF6F2;}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after{background:var(--c-primary);}
.faq-a{
overflow:hidden;max-height:0;transition:max-height .22s var(--ease);
}
.faq-a-inner{
padding:0 4px 26px;max-width:820px;font-size:15px;line-height:1.85;color:var(--c-sub);
}
/* ---------- CTA / form ---------- */
.cta-band{
background:var(--grad-ink);color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
content:"";position:absolute;right:-120px;top:-160px;width:520px;height:520px;border-radius:50%;
background:radial-gradient(circle,rgba(255,92,57,.28),transparent 68%);
}
.cta-grid{
display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:64px;align-items:start;
position:relative;z-index:1;
}
.cta-copy h2{font-size:34px;color:#fff;margin-bottom:16px;letter-spacing:-.4px;}
.cta-copy p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.85;max-width:480px;}
.cta-points{margin-top:28px;display:grid;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.82);font-size:15px;}
.cta-points svg{flex:none;width:20px;height:20px;fill:var(--c-gold);margin-top:4px;}
.cta-privacy{margin-top:26px;font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.8;}
.cta-privacy a{color:rgba(255,255,255,.82);text-decoration:underline;text-underline-offset:3px;}
.form-card{
background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-3);color:var(--c-text);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-sub{font-size:13.5px;color:var(--c-weak);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
display:block;font-size:13.5px;font-weight:500;margin-bottom:8px;color:var(--c-text);
}
.field label .req{color:var(--c-primary);}
.field input,.field select,.field textarea{
width:100%;height:48px;border-radius:12px;border:1px solid var(--c-line);
background:#FFFDFB;padding:0 14px;font-size:15px;font-family:inherit;color:var(--c-text);
transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#B9B1A8;}
.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(255,92,57,.12);
}
.field.invalid input,.field.invalid select{border-color:#D92D20;box-shadow:0 0 0 3px rgba(217,45,32,.1);}
.field .err{display:none;font-size:12px;color:#D92D20;margin-top:6px;}
.field.invalid .err{display:block;}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip-radio{position:relative;}
.chip-radio input{position:absolute;opacity:0;width:0;height:0;}
.chip-radio span{
display:inline-flex;align-items:center;padding:9px 18px;border-radius:var(--r-pill);
border:1px solid var(--c-line);font-size:14px;color:var(--c-sub);background:#FFFDFB;
transition:all .2s var(--ease);cursor:pointer;
}
.chip-radio input:checked + span{
background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 6px 14px rgba(255,92,57,.22);
}
.chip-radio input:focus-visible + span{outline:2px solid var(--c-ink);outline-offset:2px;}
.consent{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px;font-size:13px;color:var(--c-sub);line-height:1.7;}
.consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-primary);flex:none;}
.consent a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.form-card .btn{width:100%;}
.form-success{
display:none;margin-top:16px;background:rgba(18,165,148,.1);border:1px solid rgba(18,165,148,.3);
border-radius:12px;padding:12px 14px;font-size:13.5px;color:#0B7A6E;
}
.form-success.show{display:block;}
/* ---------- Footer ---------- */
.site-footer{background:var(--grad-ink);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{
display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;
padding-bottom:56px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px;color:rgba(255,255,255,.66);}
.socials{display:flex;gap:12px;margin-top:22px;}
.socials a{
width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
border:1px solid rgba(255,255,255,.2);transition:all .2s var(--ease);
}
.socials svg{width:17px;height:17px;fill:rgba(255,255,255,.78);transition:fill .2s var(--ease);}
.socials a:hover{background:rgba(255,255,255,.1);border-color:var(--c-primary);}
.socials a:hover svg{fill:#fff;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.5px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a,.footer-col p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.85;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--c-primary);}
.footer-col strong{color:rgba(255,255,255,.9);font-weight:500;}
.footer-bottom{
border-top:1px solid rgba(255,255,255,.12);
padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:16px;
align-items:center;justify-content:space-between;
font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom a:hover{color:#fff;}
/* ---------- Back to top ---------- */
.to-top{
position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(10px);
transition:all .24s var(--ease);z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top svg{width:16px;height:16px;fill:var(--c-ink);}
.to-top:hover{border-color:var(--c-primary);}
.to-top:hover svg{fill:var(--c-primary);}
/* ---------- Modal ---------- */
.modal{
position:fixed;inset:0;z-index:120;display:none;
}
.modal.open{display:block;}
.modal-mask{
position:absolute;inset:0;background:rgba(15,46,42,.55);backdrop-filter:blur(4px);
animation:fadeIn .2s var(--ease);
}
.modal-panel{
position:relative;max-width:560px;margin:6vh auto 0;background:#fff;border-radius:var(--r-lg);
padding:32px;box-shadow:var(--sh-3);max-height:88vh;overflow:auto;
animation:popIn .24s var(--ease);
}
.modal-panel h3{font-size:22px;margin-bottom:8px;}
.modal-panel .modal-sub{font-size:14px;color:var(--c-sub);margin-bottom:22px;}
.modal-close{
position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;
border:1px solid var(--c-line);display:grid;place-items:center;background:#fff;
transition:all .2s var(--ease);
}
.modal-close svg{width:14px;height:14px;fill:var(--c-text);}
.modal-close:hover{border-color:var(--c-primary);background:#FFF6F2;}
.modal-close:hover svg{fill:var(--c-primary);}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
/* ---------- Responsive ---------- */
@media (max-width:1279px){
.section{padding:80px 0;}
.cat-hero h1{font-size:40px;}
.split{grid-template-columns:230px minmax(0,1fr);gap:40px;}
}
@media (max-width:1023px){
.nav-wrap{grid-template-columns:auto 1fr auto;height:72px;padding:0 20px;}
.nav-group.left,.nav-group.right{display:none;}
.logo{justify-self:start;}
.nav-toggle{display:block;}
.site-header.is-stuck .nav-wrap{height:64px;}
.cat-hero-grid{grid-template-columns:1fr;gap:40px;}
.cat-hero h1{font-size:34px;}
.hero-visual .frame{aspect-ratio:16/9;}
.float-badge.one{left:12px;bottom:14px;}
.float-badge.two{right:12px;top:14px;}
.split{grid-template-columns:1fr;gap:32px;}
.toc{position:static;}
.timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
.timeline::before{display:none;}
.cta-grid{grid-template-columns:1fr;gap:40px;}
.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
.section{padding:64px 0;}
.content-article h2{font-size:24px;}
.sec-head h2{font-size:27px;}
}
@media (max-width:767px){
.container{padding:0 16px;}
.nav-wrap{padding:0 16px;}
.cat-hero{padding:36px 0 52px;}
.cat-hero h1{font-size:28px;}
.cat-hero .lede{font-size:15.5px;}
.section{padding:52px 0;}
.sec-head h2{font-size:23px;}
.content-article h2{font-size:21px;padding-left:13px;}
.content-article h3{font-size:18px;}
.figure-block{grid-template-columns:1fr;padding:18px;gap:18px;}
.timeline{grid-template-columns:1fr;}
.cta-copy h2{font-size:26px;}
.form-card{padding:24px;}
.footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
.footer-bottom{flex-direction:column;align-items:flex-start;}
.hero-metrics{gap:10px;}
.metric-chip{padding:8px 14px;font-size:12px;}
.metric-chip b{font-size:17px;}
.float-badge{padding:12px 14px;min-width:132px;border-radius:var(--r-md);}
.float-badge b{font-size:20px;}
.float-badge span{font-size:11px;}
.modal-panel{margin:4vh 16px 0;padding:24px;}
.to-top{right:16px;bottom:16px;width:42px;height:42px;}
.faq-q{font-size:15.5px;padding:20px 2px;}
.pill{padding:10px 18px;font-size:14px;}
}
@media (max-width:479px){
.cat-hero h1{font-size:25px;}
.hero-cta .btn{width:100%;}
.metric-chip{flex:1 1 calc(50% - 10px);justify-content:center;}
.float-badge.two{display:none;}
}
/* Mobile drawer */
.drawer{
position:fixed;inset:0;z-index:110;display:none;background:var(--c-bg);
padding:88px 24px 32px;overflow:auto;
}
.drawer.open{display:flex;flex-direction:column;}
.drawer nav{display:flex;flex-direction:column;}
.drawer .drawer-link{
font-size:18px;font-weight:500;padding:20px 4px;border-bottom:1px solid var(--c-line);
display:flex;align-items:center;justify-content:space-between;
}
.drawer .drawer-link.active{color:var(--c-primary);font-weight:700;}
.drawer .drawer-bottom{margin-top:auto;padding-top:28px;display:grid;gap:14px;}
.drawer .drawer-bottom .btn{width:100%;}
.drawer .drawer-note{font-size:12.5px;color:var(--c-weak);text-align:center;line-height:1.7;}
.drawer-close{
position:absolute;right:20px;top:20px;width:42px;height:42px;border-radius:50%;
border:1px solid var(--c-line);background:#fff;display:grid;place-items:center;
}
.drawer-close svg{width:15px;height:15px;fill:var(--c-ink);}
/* roulang page: category2 */
:root{
--c-primary:#FF5C39;
--c-primary-deep:#E0431F;
--c-accent:#12A594;
--c-gold:#FFC24B;
--c-ink:#0F2E2A;
--c-ink-2:#16453B;
--c-bg:#FCF8F4;
--c-card:#FFFFFF;
--c-soft:#F6EEE7;
--c-line:#ECE2D9;
--c-text:#16191C;
--c-text-2:#5A6570;
--c-text-3:#8A939C;
--c-error:#D92D20;
--grad-brand:linear-gradient(118deg,#FF5C39 0%,#FF9A3D 58%,#FFC24B 100%);
--grad-ink:linear-gradient(140deg,#0F2E2A 0%,#16453B 100%);
--r-sm:10px;
--r-md:16px;
--r-lg:24px;
--r-xl:32px;
--r-pill:999px;
--sh-1:0 2px 8px rgba(15,46,42,.05);
--sh-2:0 10px 28px rgba(15,46,42,.08);
--sh-3:0 20px 48px rgba(15,46,42,.12);
--sh-brand:0 12px 28px rgba(255,92,57,.28);
--ease:cubic-bezier(.2,.7,.3,1);
--container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
background:var(--c-bg);
color:var(--c-text);
font-size:16px;
line-height:1.8;
font-weight:400;
-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--c-ink);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- 按钮 ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
border:0;cursor:pointer;border-radius:var(--r-pill);
padding:14px 28px;font-size:15px;font-weight:700;line-height:1.2;
transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),background-position .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px}
.btn-primary{background-image:var(--grad-brand);background-size:160% 100%;background-position:0 0;color:#fff;box-shadow:0 6px 16px rgba(255,92,57,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-brand);background-position:8% 0}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--c-text);border:1.5px solid var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:#FFF6F2;transform:translateY(-1px)}
.btn-ghost:active{transform:scale(.98)}
.btn-light{background:#fff;color:var(--c-ink)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(0,0,0,.16)}
.btn-outline-light{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
/* ---------- 头部导航 ---------- */
.site-header{
position:sticky;top:0;z-index:100;
background:rgba(252,248,244,.92);
backdrop-filter:blur(10px);
border-bottom:1px solid transparent;
transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-2);border-color:var(--c-line)}
.nav-wrap{
max-width:var(--container);margin:0 auto;padding:0 24px;height:84px;
display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
transition:height .22s var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.logo-mark{
width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
background-image:var(--grad-brand);box-shadow:0 6px 14px rgba(255,92,57,.28);flex:0 0 38px;
}
.logo-mark svg{width:17px;height:17px;fill:#fff}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;letter-spacing:.02em;font-weight:700}
.logo-text span{font-size:11px;color:var(--c-text-3);letter-spacing:.2em;font-weight:500}
.nav-group{display:flex;align-items:center;gap:4px}
.nav-group.left{justify-self:start}
.nav-group.right{justify-self:end;gap:14px}
.nav-link{
position:relative;padding:10px 12px;font-size:15px;font-weight:500;color:var(--c-text-2);
border-radius:var(--r-sm);transition:color .18s var(--ease);
}
.nav-link::after{
content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-toggle{
display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--c-line);
background:#fff;cursor:pointer;position:relative;justify-self:end;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
position:absolute;left:50%;transform:translateX(-50%);
width:18px;height:2px;border-radius:2px;background:var(--c-ink);
transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px}
.nav-toggle span::after{content:"";top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0}
/* ---------- 移动端抽屉 ---------- */
.nav-drawer{
position:fixed;inset:0;z-index:90;background:var(--c-bg);
padding:96px 24px 32px;display:flex;flex-direction:column;
opacity:0;visibility:hidden;transform:translateY(-14px);
transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
overflow-y:auto;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-link{
display:block;padding:18px 4px;font-size:18px;font-weight:500;
border-bottom:1px solid var(--c-line);color:var(--c-text);
}
.drawer-link.active{color:var(--c-primary);font-weight:700}
.drawer-cta{width:100%;margin-top:28px}
.drawer-note{margin-top:14px;font-size:12px;color:var(--c-text-3);line-height:1.7}
/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 84px;border-bottom:1px solid var(--c-line)}
.hero::before{
content:"";position:absolute;top:-200px;right:-140px;width:660px;height:660px;pointer-events:none;
background:radial-gradient(circle at center,rgba(255,92,57,.14),rgba(255,194,75,.07) 46%,transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--c-text-3);transition:color .18s}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb em{font-style:normal;color:var(--c-text)}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
border:1px solid rgba(18,165,148,.35);background:rgba(18,165,148,.07);
color:#0C7F73;font-size:13px;font-weight:500;
}
.hero h1{font-size:44px;margin:18px 0 16px;letter-spacing:-.01em}
.hero-sub{font-size:18px;color:var(--c-text-2);line-height:1.7;max-width:520px}
.hero-desc{margin-top:14px;font-size:15.5px;color:var(--c-text-2);max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-text-2);font-weight:500;
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;font-style:normal}
.hero-media{position:relative}
.hero-media img{
width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);
box-shadow:var(--sh-3);background:linear-gradient(120deg,#F3E7DC,#EADCD1);
}
.float-badge{
position:absolute;background:#fff;border-radius:20px;box-shadow:var(--sh-3);
padding:14px 18px;display:flex;flex-direction:column;gap:2px;min-width:132px;
}
.float-badge b{font-size:24px;font-weight:700;font-feature-settings:"tnum";letter-spacing:-.02em;line-height:1.2;color:var(--c-ink)}
.float-badge span{font-size:12px;color:var(--c-text-3);line-height:1.4}
.float-badge::before{content:"";position:absolute;left:18px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-primary)}
.badge-a{left:-24px;bottom:26px}
.badge-b{right:-14px;top:-18px}
.badge-a b{color:var(--c-primary)}
.badge-b b{color:var(--c-accent)}
/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-soft{background:var(--c-soft)}
.section-head{max-width:740px;margin-bottom:44px}
.section-head h2{font-size:32px}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:16px}
.section-eyebrow{
display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
color:var(--c-primary);margin-bottom:12px;
}
/* ---------- 交错图文 ---------- */
.zigzag{display:flex;flex-direction:column;gap:72px}
.zigzag-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zigzag-row.alt .zz-media{order:2}
.zz-media img{
width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
box-shadow:var(--sh-2);background:linear-gradient(120deg,#F3E7DC,#EADCD1);
}
.zz-step{
display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
color:var(--c-accent);letter-spacing:.1em;margin-bottom:12px;
}
.zz-step b{
display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;
background:rgba(18,165,148,.12);color:var(--c-accent);font-size:13px;letter-spacing:0;
}
.zz-body h3{font-size:26px;margin-bottom:14px}
.zz-body p{color:var(--c-text-2);font-size:15.5px;margin-bottom:14px;line-height:1.9}
.check-list{display:flex;flex-direction:column;gap:10px;margin:18px 0 24px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);line-height:1.7}
.check-list li::before{
content:"";flex:0 0 18px;width:18px;height:18px;margin-top:4px;border-radius:50%;
background:rgba(18,165,148,.12) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2312A594'%3E%3Cpath d='M9.6 16.6 5 12l1.4-1.4 3.2 3.2 7.4-7.4L18.4 8z'/%3E%3C/svg%3E") center/14px no-repeat;
}
/* ---------- 数据墙 ---------- */
.stat-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-card{
position:relative;background:#fff;border:1px solid var(--c-line);border-radius:20px;
padding:30px 26px;box-shadow:var(--sh-1);
transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.stat-card::before{
content:"";position:absolute;left:26px;top:26px;width:8px;height:8px;border-radius:50%;background:var(--c-primary);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CB}
.stat-card b{
display:block;margin-top:16px;font-size:38px;font-weight:700;line-height:1.15;
font-feature-settings:"tnum";letter-spacing:-.02em;color:var(--c-ink);
}
.stat-card b i{font-style:normal;font-size:16px;font-weight:700;color:var(--c-text-3);margin-left:4px;letter-spacing:0}
.stat-card p{margin-top:8px;font-size:13px;color:var(--c-text-2);line-height:1.6}
.stat-card:nth-child(3n+2)::before{background:var(--c-accent)}
.stat-card:nth-child(3n)::before{background:var(--c-gold)}
/* ---------- 对照卡 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.compare-card{
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px;
box-shadow:var(--sh-1);display:flex;flex-direction:column;
transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CB}
.compare-tag{
align-self:flex-start;padding:5px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
background:rgba(255,92,57,.1);color:var(--c-primary-deep);letter-spacing:.04em;
}
.compare-card:nth-child(2) .compare-tag{background:rgba(18,165,148,.12);color:#0C7F73}
.compare-card h3{font-size:21px;margin:16px 0 10px}
.compare-card > p{color:var(--c-text-2);font-size:15px;margin-bottom:18px}
.compare-card .check-list{margin:0 0 24px}
.compare-card .btn{margin-top:auto;align-self:flex-start}
.compare-foot{
margin-top:26px;padding:20px 24px;border-radius:var(--r-md);background:#fff;
border:1px dashed #E4D3C6;font-size:14px;color:var(--c-text-2);line-height:1.8;
}
/* ---------- FAQ ---------- */
.faq-list{
max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--c-line);
border-radius:var(--r-lg);padding:6px 30px;box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
gap:18px;padding:22px 0;font-size:17px;font-weight:500;color:var(--c-text);
transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
content:"+";flex:0 0 28px;width:28px;height:28px;border-radius:50%;
border:1.5px solid var(--c-line);display:grid;place-items:center;
font-size:18px;line-height:1;color:var(--c-text-2);
transition:transform .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item[open] summary{color:var(--c-primary);font-weight:700}
.faq-item[open] summary::after{transform:rotate(45deg);border-color:var(--c-primary);color:var(--c-primary)}
.faq-answer{max-width:820px;padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--c-text-2)}
/* ---------- 结尾 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background-image:var(--grad-ink);color:#fff}
.cta-band::before{
content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
background:radial-gradient(circle at center,rgba(255,92,57,.32),transparent 66%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;padding:78px 0}
.cta-inner h2{font-size:32px;color:#fff;line-height:1.35}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{margin-top:16px;font-size:12px;color:rgba(255,255,255,.55);text-align:right;line-height:1.7}
/* ---------- 页脚 ---------- */
.site-footer{background-image:var(--grad-ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text span{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px;color:rgba(255,255,255,.68)}
.socials{display:flex;gap:10px;margin-top:22px}
.socials a{
width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
display:grid;place-items:center;transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.socials svg{width:18px;height:18px;fill:rgba(255,255,255,.75);transition:fill .2s var(--ease)}
.socials a:hover{background:rgba(255,92,57,.22);border-color:rgba(255,92,57,.55);transform:translateY(-2px)}
.socials a:hover svg{fill:#fff}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--c-primary);text-underline-offset:4px}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72)}
.footer-col p strong{color:rgba(255,255,255,.92);font-weight:500}
.footer-bottom{
border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.5);transition:color .18s}
.footer-bottom a:hover{color:#fff}
.to-top{
position:fixed;right:24px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:50%;
border:1px solid rgba(255,255,255,.35);background:rgba(15,46,42,.86);color:#fff;
display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;
transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
box-shadow:var(--sh-2);
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:16px;height:16px;fill:#fff}
/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s}
.modal.is-open{opacity:1;visibility:visible}
.modal-overlay{position:absolute;inset:0;background:rgba(15,46,42,.55);backdrop-filter:blur(4px)}
.modal-panel{
position:relative;width:100%;max-width:560px;max-height:90vh;overflow:auto;
background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-3);
transform:translateY(14px);transition:transform .24s var(--ease);
}
.modal.is-open .modal-panel{transform:none}
.modal-close{
position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:50%;
border:1px solid var(--c-line);background:#fff;cursor:pointer;display:grid;place-items:center;
transition:background-color .18s,border-color .18s,color .18s;
}
.modal-close svg{width:14px;height:14px;fill:var(--c-text-2);transition:fill .18s}
.modal-close:hover{border-color:var(--c-primary);background:#FFF6F2}
.modal-close:hover svg{fill:var(--c-primary)}
.modal-panel h3{font-size:22px;margin-bottom:8px;padding-right:40px}
.modal-panel .modal-sub{font-size:14px;color:var(--c-text-2);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--c-text-2);margin-bottom:8px}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
width:100%;min-height:48px;padding:12px 14px;border-radius:12px;
border:1px solid var(--c-line);background:#fff;font-size:15px;color:var(--c-text);
transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
outline:none;
}
.field textarea{min-height:96px;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(255,92,57,.12)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-error)}
.field-error{display:none;margin-top:6px;font-size:12px;color:var(--c-error)}
.field.has-error .field-error{display:block}
.privacy{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-text-3);line-height:1.6;margin:6px 0 20px}
.privacy input{margin-top:3px;width:16px;height:16px;accent-color:var(--c-primary);cursor:pointer}
.privacy a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.form-ok{
display:none;margin-top:16px;padding:12px 16px;border-radius:12px;
background:rgba(18,165,148,.1);color:#0C7F73;font-size:14px;line-height:1.6;
}
.form-ok.is-visible{display:block}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
.section{padding:80px 0}
.hero h1{font-size:38px}
}
@media (max-width:1023px){
.section{padding:64px 0}
.nav-group{display:none}
.nav-toggle{display:block}
.nav-wrap{grid-template-columns:1fr auto 1fr}
.logo{grid-column:1 / 2;justify-self:start}
.nav-toggle{grid-column:3 / 4;justify-self:end}
.hero{padding:40px 0 64px}
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero-sub,.hero-desc{max-width:none}
.hero h1{font-size:34px}
.hero-media{order:-1}
.badge-a{left:12px;bottom:12px}
.badge-b{right:12px;top:12px}
.float-badge{padding:10px 14px;min-width:110px;border-radius:16px}
.float-badge b{font-size:20px}
.zigzag{gap:52px}
.zigzag-row{grid-template-columns:1fr;gap:28px}
.zigzag-row.alt .zz-media{order:0}
.stat-wall{grid-template-columns:repeat(2,1fr)}
.compare-grid{grid-template-columns:1fr}
.cta-inner{grid-template-columns:1fr;padding:60px 0;gap:28px}
.cta-actions{justify-content:flex-start}
.cta-note{text-align:left}
.footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
.container{padding:0 16px}
.nav-wrap{padding:0 16px;height:72px}
.site-header.is-scrolled .nav-wrap{height:64px}
.section{padding:52px 0}
.hero{padding:32px 0 48px}
.hero h1{font-size:28px;letter-spacing:0}
.hero-sub{font-size:16px}
.section-head h2,.cta-inner h2{font-size:24px}
.zz-body h3{font-size:21px}
.stat-card{padding:24px 20px}
.stat-card::before{left:20px;top:22px}
.stat-card b{font-size:30px}
.compare-card{padding:24px}
.faq-list{padding:4px 18px}
.faq-item summary{font-size:15.5px;padding:18px 0}
.footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
.site-footer{padding-top:52px}
.footer-bottom{flex-direction:column;align-items:flex-start}
.modal-panel{padding:24px;border-radius:20px}
.to-top{right:16px;bottom:16px;width:42px;height:42px}
.hero-actions .btn{flex:1 1 auto}
}
@media (max-width:479px){
.stat-wall{grid-template-columns:1fr}
.hero-actions{flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
*{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}