/* roulang page: index */
:root{
  --primary:#E4632B;
  --primary-dark:#C9501F;
  --berry:#B03A5B;
  --honey:#F2B23E;
  --bg:#FFF8F2;
  --zone:#F7E9DE;
  --ink:#241611;
  --ink-2:#6B564B;
  --line:#E8D5C6;
  --r-card:16px;
  --r-img:20px;
  --shadow:0 12px 28px -18px rgba(36,22,17,.35);
  --container:1200px;
  --pad:32px;
}
*{box-sizing:border-box}
html{scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3{margin:0 0 .5em}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.6vw,34px);line-height:1.35;font-weight:700}
h3{font-size:19px;line-height:1.5;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,248,242,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);box-shadow:0 6px 14px -8px rgba(228,99,43,.9)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-2);letter-spacing:.16em}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav a{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;transition:color .2s}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .2s}
.main-nav a:hover,.main-nav a.active{color:var(--primary)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--zone);border-color:var(--primary)}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.menu-toggle{display:none;align-items:center;justify-content:center;min-width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px}

/* sections */
.zone{padding:88px 0}
.zone-alt{background:var(--zone)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head p{margin:12px 0 0;color:var(--ink-2)}
.eyebrow{display:inline-block;margin-bottom:18px;padding:6px 14px;border-radius:999px;background:var(--zone);color:var(--berry);font-size:13px;font-weight:600}

/* hero */
.hero{padding:64px 0 76px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.hero-lead{margin:20px 0 28px;color:var(--ink-2);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-cover{position:relative;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--zone);box-shadow:var(--shadow)}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.play{position:absolute;top:50%;left:50%;width:64px;height:64px;transform:translate(-50%,-50%);border-radius:50%;background:rgba(255,248,242,.94);box-shadow:0 8px 22px rgba(36,22,17,.28)}
.play::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-36%,-50%);border-left:16px solid var(--primary);border-top:10px solid transparent;border-bottom:10px solid transparent}
.time-tag{position:absolute;left:14px;bottom:14px;padding:4px 12px;border-radius:999px;background:rgba(36,22,17,.62);color:#FFF8F2;font-size:12px;letter-spacing:.02em}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.quick-grid a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:border-color .2s,transform .2s}
.quick-grid a:hover{border-color:var(--primary);transform:translateY(-2px)}
.quick-grid strong{display:block;font-size:15px;font-weight:600}
.quick-grid span{display:block;font-size:13px;color:var(--ink-2);line-height:1.6;margin-top:2px}

/* pain */
.pain-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.pain-grid .sec-head{margin-bottom:0}
.pain-list li{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.pain-list li:first-child{border-top:1px solid var(--line)}
.pain-num{font-size:20px;font-weight:800;color:var(--honey);line-height:1.6}
.pain-list h3{margin-bottom:4px;font-size:17px}
.pain-list p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.8}

/* solution */
.sol-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.sol-item{padding-left:16px;border-left:3px solid var(--primary);margin-bottom:24px}
.sol-item:last-of-type{margin-bottom:28px}
.sol-item h3{margin-bottom:6px;font-size:18px}
.sol-item p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.8}
.sol-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--shadow);background:var(--zone)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;min-height:44px}
.link-more:hover{color:var(--primary-dark)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.steps li{position:relative}
.steps li::after{content:"";position:absolute;top:26px;right:-20px;width:16px;border-top:1px dashed var(--line)}
.steps li:last-child::after{display:none}
.step-num{display:block;font-size:48px;line-height:1;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--honey);margin-bottom:14px}
.steps h3{font-size:18px;margin-bottom:6px}
.steps p{margin:0;color:var(--ink-2);font-size:14px;line-height:1.8}

/* categories */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:transform .2s,border-color .2s}
.cat-card:hover{transform:translateY(-2px);border-color:var(--primary)}
.cat-tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;margin-bottom:14px}
.tag-a{background:#FBE3D8;color:#A8410F}
.tag-b{background:#F6DCE4;color:#8E2C48}
.tag-c{background:#FCEBCB;color:#7E5208}
.cat-card h3{font-size:18px;margin-bottom:8px}
.cat-card p{color:var(--ink-2);font-size:14px;line-height:1.8;margin-bottom:14px}
.cat-link{font-size:14px;font-weight:600;color:var(--primary)}
.cat-link:hover{color:var(--primary-dark)}

/* picks */
.pick-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.pick-main{position:relative;display:block}
.pick-main img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);background:var(--zone)}
.pick-main .time-tag{top:14px;right:14px;left:auto;bottom:auto;background:rgba(255,248,242,.9);color:var(--ink)}
.pick-main h3{margin:18px 0 8px;font-size:20px}
.pick-main p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.8}
.pick-side{display:flex;flex-direction:column;gap:18px}
.pick-item{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line);transition:border-color .2s}
.pick-item:hover{border-color:var(--primary)}
.pick-thumb{width:56px;height:56px;border-radius:10px;object-fit:cover;background:var(--zone)}
.pick-item h3{margin:0 0 2px;font-size:16px}
.pick-meta{font-size:13px;color:var(--ink-2)}

/* topics */
.topic-list{display:flex;flex-direction:column;gap:20px}
.topic-card{position:relative;display:flex;align-items:flex-end;aspect-ratio:21/9;border-radius:var(--r-card);overflow:hidden;background:var(--zone)}
.topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.topic-card::after{content:"";position:absolute;inset:0;background:rgba(36,22,17,.38)}
.topic-body{position:relative;z-index:1;padding:28px 32px;color:#FFF8F2}
.topic-body h3{color:#FFF8F2;margin-bottom:6px;font-size:21px}
.topic-body p{margin:0 0 10px;color:rgba(255,248,242,.86);font-size:15px;line-height:1.8;max-width:560px}
.topic-body span{font-size:14px;font-weight:600;color:var(--honey)}

/* stats */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:0 24px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(34px,4vw,50px);font-weight:800;color:var(--primary);line-height:1.1;display:block}
.stat-label{display:block;font-size:15px;font-weight:600;margin-top:6px}
.stat-note{display:block;font-size:13px;color:var(--ink-2);line-height:1.7;margin-top:2px}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.quote-card{position:relative;background:var(--zone);border-radius:var(--r-card);padding:36px 26px 26px}
.quote-card:nth-child(2){margin-top:16px}
.quote-card:nth-child(3){margin-top:32px}
.quote-card::before{content:"“";position:absolute;top:2px;left:18px;font-size:72px;line-height:1;font-weight:800;color:rgba(176,58,91,.18)}
.quote-text{font-size:15px;line-height:1.85;margin-bottom:16px}
.quote-author{font-size:15px;font-weight:600}
.quote-id{display:block;font-size:13px;color:var(--ink-2);font-weight:400}

/* who */
.who-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.who-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.who-grid > *:nth-child(even){margin-top:24px}
.who-icon{display:inline-flex;color:var(--primary);margin-bottom:12px}
.who-card:nth-child(even) .who-icon{color:var(--berry)}
.who-card h3{font-size:18px;margin-bottom:6px}
.who-card p{margin:0;color:var(--ink-2);font-size:14px;line-height:1.8}

/* devices */
.dev-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.dev-cell{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 22px}
.dev-cell h3{font-size:18px;margin-bottom:8px}
.dev-cell p{margin:0;color:var(--ink-2);font-size:14px;line-height:1.8}

/* quality table */
.q-table{width:100%;border-collapse:collapse;font-size:15px}
.q-table th{background:#FBE3D8;color:#8A3A16;font-weight:600;text-align:left;padding:14px 18px;font-size:14px;border-bottom:1px solid var(--line)}
.q-table td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--ink)}
.q-table tbody tr:nth-child(even) td{background:var(--zone)}
.q-table td:first-child{font-weight:600}

/* faq */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.faq-grid .sec-head{margin-bottom:0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:16px 0;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s}
.faq-q:hover{color:var(--primary)}
.faq-q::after{content:"";flex-shrink:0;width:9px;height:9px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform .2s}
.faq-q[aria-expanded="true"]::after{transform:rotate(-135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.open .faq-a{max-height:340px;border-top:1px solid var(--line)}
.faq-a p{padding:16px 20px;margin:0;color:var(--ink-2);font-size:15px;line-height:1.85}

/* news */
.news-list li{border-bottom:1px solid var(--line)}
.news-list a{display:grid;grid-template-columns:110px 1fr 32px;gap:16px;align-items:center;padding:18px 12px;transition:background .2s}
.news-list a:hover{background:var(--zone)}
.news-date{font-size:13px;color:var(--berry)}
.news-title{font-size:17px;font-weight:600}
.news-arrow{justify-self:end;color:var(--ink-2)}

/* metrics */
.metric-bar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}
.metric{padding:0 22px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0;padding-left:0}
.metric span{display:block;font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.metric strong{display:block;font-size:19px;font-weight:700;margin-top:2px}

/* final cta */
.final-cta{background:linear-gradient(120deg,#E4632B,#B03A5B);padding:64px 0;color:#FFF8F2}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.final-cta h2{color:#FFF8F2;margin-bottom:10px}
.final-cta p{color:rgba(255,248,242,.9);margin:0 0 20px}
.final-cta .btn{background:#FFF8F2;color:#241611}
.final-cta .btn:hover{background:#F7E9DE}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{flex:1 1 200px;min-height:48px;border-radius:999px;border:1px solid rgba(255,248,242,.5);background:rgba(255,248,242,.14);color:#FFF8F2;padding:0 20px;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s}
.sub-form input::placeholder{color:rgba(255,248,242,.72)}
.sub-form input:focus{border-color:#FFF8F2;box-shadow:0 0 0 4px rgba(255,248,242,.2)}
.sub-note{font-size:12px;color:rgba(255,248,242,.78);margin:12px 0 0}

/* footer */
.site-footer{background:#241611;color:#FFF8F2;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-brand .logo-text strong{color:#FFF8F2}
.footer-brand .logo-text em{color:rgba(255,248,242,.6)}
.footer-brand p{margin:16px 0 20px;color:rgba(255,248,242,.72);font-size:14px;line-height:1.8;max-width:280px}
.social-row{display:flex;gap:10px}
.social-row span{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,248,242,.24);font-size:13px;color:rgba(255,248,242,.78)}
.footer-title{font-size:14px;font-weight:600;color:#FFF8F2;margin-bottom:14px;letter-spacing:.04em}
.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.site-footer a{color:rgba(255,248,242,.78);font-size:14px;transition:color .2s}
.site-footer a:hover{color:var(--honey)}
.footer-meta p{font-size:14px;color:rgba(255,248,242,.72);line-height:1.8;margin-bottom:10px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,248,242,.14);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,248,242,.6)}

@media (max-width:1024px){
  .holder{display:none}
  .main-nav{display:none}
  .main-nav.open{display:flex;position:fixed;left:0;right:0;top:72px;bottom:0;z-index:40;flex-direction:column;gap:0;background:var(--bg);padding:8px 24px 24px;overflow-y:auto}
  .main-nav.open a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;min-height:52px;display:flex;align-items:center;color:var(--ink)}
  .main-nav.open a::after{display:none}
  .menu-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-side{order:-1}
  .pain-grid,.faq-grid{grid-template-columns:1fr;gap:24px}
  .sol-grid{grid-template-columns:1fr;gap:32px}
  .sol-media{order:-1}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .pick-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .stat-item{padding:0;border-left:0}
  .stat-item:nth-child(even){border-left:1px solid var(--line);padding-left:24px}
  .quote-grid{grid-template-columns:1fr}
  .quote-card:nth-child(n){margin-top:0}
  .dev-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .steps li::after{display:none}
}
@media (max-width:768px){
  .zone{padding:56px 0}
  .hero{padding:40px 0 56px}
  .cat-grid,.who-grid,.steps{grid-template-columns:1fr}
  .who-grid > *:nth-child(even){margin-top:0}
  .quick-grid{grid-template-columns:1fr}
  .metric-bar{grid-template-columns:1fr 1fr;row-gap:18px}
  .metric{padding:0;border-left:0}
  .metric:nth-child(even){border-left:1px solid var(--line);padding-left:20px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  :root{--pad:20px}
  body{font-size:15px;line-height:1.85}
  .header-inner{gap:12px}
  .logo-text strong{font-size:15px}
  .header-actions .btn{padding:0 16px;font-size:14px}
  .hero-actions .btn{flex:1 1 100%}
  .topic-card{aspect-ratio:16/10}
  .topic-body{padding:20px}
  .topic-body h3{font-size:18px}
  .news-list a{grid-template-columns:1fr 24px;gap:4px}
  .news-date{grid-column:1/-1}
  .q-table thead{display:none}
  .q-table tr{display:block;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;background:#fff;overflow:hidden}
  .q-table td{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:12px 16px}
  .q-table tbody tr:nth-child(even) td{background:transparent}
  .q-table td:last-child{border-bottom:0}
  .q-table td::before{content:attr(data-label);color:var(--ink-2);font-size:13px}
  .stat-band{grid-template-columns:1fr}
  .stat-item:nth-child(even){border-left:0;padding-left:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: index */
:root{
  --bg-cream:#FFF8F1;
  --bg-paper:#FFFDF9;
  --ink:#2B1F1A;
  --ink-soft:#6B5148;
  --coral:#E77A63;
  --apricot:#F6A58F;
  --caramel:#B8573B;
  --mint:#9AC6B2;
  --butter:#F4D58D;
  --line:#EAD8CA;
  --r-lg:22px;
  --r-md:16px;
  --shadow:0 8px 24px rgba(80,50,40,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  overflow-x:hidden;
  background:var(--bg-cream);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* 按钮与标签 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s;white-space:nowrap}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--caramel);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:#fff}
.btn:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em}
.tag--coral{background:#FDECE7;color:var(--caramel)}
.tag--mint{background:#E7F2EC;color:#4B7A63}
.tag--butter{background:#FBF0D6;color:#8A6A22}
.tag--dark{background:rgba(255,248,241,.14);color:#FFF8F1}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,248,241,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 18px rgba(80,50,40,.09)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--coral);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.nav-menu{display:flex;align-items:center;gap:26px}
.nav-menu a{position:relative;font-size:15px;color:var(--ink-soft);padding:4px 0;transition:color .2s}
.nav-menu a:hover{color:var(--coral)}
.nav-menu a.is-active{color:var(--ink);font-weight:700}
.nav-menu a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--apricot)}
.nav-right{display:flex;align-items:center;gap:14px}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--bg-paper);color:var(--ink);align-items:center;justify-content:center}

/* 移动端抽屉 */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(43,31,26,.3)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:80vw;max-width:340px;background:var(--bg-paper);padding:22px;display:flex;flex-direction:column;gap:4px;box-shadow:-10px 0 30px rgba(80,50,40,.16);overflow-y:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-panel a.d-link{padding:13px 6px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
.drawer-panel a.d-link:active{color:var(--coral)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--ink);display:flex;align-items:center;justify-content:center}
.drawer-cta{margin-top:auto;width:100%}

/* 首屏 */
.hero{padding:60px 0 76px;background:linear-gradient(180deg,#FFF8F1 0%,#FFFDF9 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}
.hero-copy h1{font-size:clamp(32px,4.2vw,54px);letter-spacing:-.02em;margin:16px 0 18px}
.hero-lead{font-size:16px;color:var(--ink-soft);max-width:34em}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;padding-top:22px;border-top:1px dashed var(--line);font-size:14px;color:var(--ink-soft)}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);flex:none}
.hero-doors{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.door{background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;display:flex;flex-direction:column;gap:4px;box-shadow:var(--shadow);transition:border-color .2s,transform .2s}
.door:hover{border-color:var(--apricot);transform:translateY(-2px)}
.door-wide{grid-column:1/-1;padding:0;overflow:hidden}
.door-thumb{aspect-ratio:16/9;overflow:hidden}
.door-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s}
.door-wide:hover .door-thumb img{transform:scale(1.02)}
.door-body{padding:16px 18px 18px}
.door-ico{width:34px;height:34px;border-radius:10px;background:#FDECE7;color:var(--caramel);display:flex;align-items:center;justify-content:center;margin-bottom:8px}
.door strong{font-size:15px}
.door-meta{font-size:13px;color:var(--ink-soft)}

/* 通用板块 */
.section{padding:84px 0;scroll-margin-top:80px}
.section--paper{background:var(--bg-paper)}
.section--dark{background:var(--ink);color:#FFF8F1}
.sec-head{max-width:740px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,38px);letter-spacing:-.01em;margin-bottom:14px}
.sec-head p{color:var(--ink-soft);font-size:16px}
.section--dark .sec-head p{color:rgba(255,248,241,.72)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--caramel);margin-bottom:10px}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.pain-head{position:sticky;top:96px}
.pain-head h2{font-size:clamp(24px,3vw,38px);margin-bottom:14px}
.pain-head p{color:var(--ink-soft)}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:flex;gap:20px;padding:22px 16px;border-bottom:1px solid var(--line);border-radius:14px;transition:background .2s}
.pain-item:hover{background:#FFF3EA}
.pain-num{font-size:14px;font-weight:800;color:var(--apricot);flex:none;padding-top:4px;letter-spacing:.06em}
.pain-item h3{font-size:18px;margin-bottom:6px}
.pain-item p{font-size:15px;color:var(--ink-soft)}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.bento-card{background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow);transition:border-color .2s}
.bento-card:hover{border-color:var(--apricot)}
.bento-card h3{font-size:19px;margin-bottom:8px}
.bento-card p{font-size:15px;color:var(--ink-soft)}
.bento-large{grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden;display:flex;flex-direction:column}
.bento-img{aspect-ratio:16/10;overflow:hidden}
.bento-img img{width:100%;height:100%;object-fit:cover;transition:transform .2s}
.bento-large:hover .bento-img img{transform:scale(1.02)}
.bento-text{padding:24px 26px 28px}
.bento-text h3{margin-top:12px}
.bento-wide{grid-column:1/-1;display:flex;align-items:flex-start;gap:20px}
.bento-wide .door-ico{margin-bottom:0;flex:none}

/* 栏目 */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{position:relative;display:block;background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow);transition:border-color .2s,transform .2s}
.cat-card:hover{border-color:var(--apricot);transform:translateY(-2px)}
.cat-ico{width:40px;height:40px;border-radius:12px;background:#FDECE7;color:var(--caramel);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.cat-card h3{font-size:19px;margin-bottom:6px}
.cat-card p{font-size:14px;color:var(--ink-soft)}
.cat-arrow{position:absolute;right:24px;top:28px;color:var(--apricot);font-size:18px;line-height:1}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow);transition:border-color .2s}
.step:hover{border-color:var(--apricot)}
.step-num{display:block;font-size:30px;font-weight:800;color:var(--apricot);letter-spacing:-.02em;margin-bottom:12px}
.step-num::after{content:"";display:block;width:38px;height:2px;border-radius:2px;background:var(--apricot);margin-top:10px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{font-size:15px;color:var(--ink-soft)}

/* 播放体验 */
.player-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.player-head h2{font-size:clamp(24px,3vw,38px);margin-bottom:14px}
.player-head p{color:rgba(255,248,241,.72);font-size:16px}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feat-card{background:rgba(255,248,241,.06);border:1px solid rgba(255,248,241,.14);border-radius:var(--r-md);padding:22px;transition:border-color .2s,background .2s}
.feat-card:hover{border-color:rgba(246,165,143,.6);background:rgba(255,248,241,.1)}
.feat-card h3{font-size:17px;margin-bottom:6px}
.feat-card p{font-size:14px;color:rgba(255,248,241,.68)}
.ctrl-bar{grid-column:1/-1;margin-top:34px;background:rgba(255,248,241,.08);border:1px solid rgba(255,248,241,.16);border-radius:var(--r-lg);padding:16px 22px;display:flex;align-items:center;gap:16px}
.ctrl-play{width:44px;height:44px;border-radius:50%;background:var(--coral);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.ctrl-track{flex:1;height:6px;border-radius:3px;background:rgba(255,248,241,.2);position:relative;overflow:hidden}
.ctrl-track i{position:absolute;left:0;top:0;bottom:0;width:38%;background:var(--apricot);border-radius:3px}
.ctrl-time{font-size:13px;color:rgba(255,248,241,.72);font-variant-numeric:tabular-nums;flex:none}

/* 数据概览 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat-card{background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow);transition:border-color .2s}
.stat-card:hover{border-color:var(--apricot)}
.stat-num{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:800;letter-spacing:-.02em;color:var(--caramel);line-height:1.15}
.stat-label{display:block;margin-top:8px;font-size:14px;color:var(--ink-soft)}

/* 观众反馈 */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-main{grid-column:span 2;grid-row:span 2;margin:0;background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}
.quote-mark{font-size:46px;line-height:1;color:var(--apricot);font-weight:800}
.quote-main blockquote{margin:0;font-size:clamp(18px,2vw,22px);font-weight:700;line-height:1.7}
.quote-card{margin:0;background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow);transition:border-color .2s}
.quote-card:hover{border-color:var(--apricot)}
.quote-card blockquote{margin:0;font-size:15px;color:var(--ink-soft)}
.who{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{width:40px;height:40px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff;background:var(--coral)}
.avatar--mint{background:var(--mint);color:#26493A}
.avatar--butter{background:var(--butter);color:#7A5A15}
.who b{display:block;font-size:14px;line-height:1.4}
.who span{font-size:12px;color:var(--ink-soft)}

/* 适用人群 */
.crowd-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.crowd-card{display:flex;gap:18px;background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow);transition:border-color .2s}
.crowd-card:hover{border-color:var(--apricot)}
.crowd-ico{width:44px;height:44px;border-radius:12px;background:#E7F2EC;color:#4B7A63;display:flex;align-items:center;justify-content:center;flex:none}
.crowd-card h3{font-size:18px;margin-bottom:6px}
.crowd-card p{font-size:15px;color:var(--ink-soft)}

/* 专题 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic-card{display:block;background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s,transform .2s}
.topic-card:hover{border-color:var(--apricot);transform:translateY(-2px)}
.topic-thumb{aspect-ratio:4/3;overflow:hidden}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s}
.topic-card:hover .topic-thumb img{transform:scale(1.02)}
.topic-body{padding:18px 20px 22px}
.topic-body h3{font-size:18px;margin:10px 0 6px}
.topic-body span{font-size:13px;color:var(--ink-soft)}

/* 更新日历 */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:14px;padding-top:22px;position:relative}
.cal::before{content:"";position:absolute;left:0;right:0;top:6px;height:1px;background:var(--line)}
.cal-day{display:flex;flex-direction:column;align-items:flex-start;gap:8px;background:var(--bg-paper);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 14px;transition:border-color .2s,background .2s}
.cal-day:hover{border-color:var(--apricot);background:#FFF6EE}
.cal-week{font-size:13px;color:var(--ink-soft)}
.cal-date{font-size:22px;font-weight:800;letter-spacing:-.01em}
.cal-time{font-size:13px;font-weight:700;color:var(--caramel)}
.remind{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;max-width:540px}
.remind input{flex:1 1 240px;height:48px;border-radius:14px;border:1px solid var(--line);background:var(--bg-paper);padding:0 16px;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
.remind input::placeholder{color:#A08D82}
.remind input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(154,198,178,.35)}

/* 资讯 */
.news{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.news-item{display:block;padding:22px 6px;border-bottom:1px solid var(--line);border-radius:10px;transition:background .2s}
.news-item:hover{background:#FFF3EA}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.news-date{font-size:13px;font-weight:800;color:var(--caramel);letter-spacing:.03em}
.news-item h3{font-size:17px;margin-bottom:6px}
.news-item p{font-size:14px;color:var(--ink-soft)}

/* 体验指标 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.metric-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px;font-size:14px;color:var(--ink-soft)}
.metric-top b{font-size:20px;font-weight:800;color:var(--ink)}
.metric-bar{height:8px;border-radius:4px;background:#F3E5DA;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:4px;background:var(--apricot)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-head{position:sticky;top:96px}
.faq-head h2{font-size:clamp(24px,3vw,38px);margin-bottom:14px}
.faq-head p{color:var(--ink-soft)}
.faq-item{background:var(--bg-paper);border:1px solid var(--line);border-radius:16px;padding:0 22px;margin-bottom:12px;transition:background .2s,border-color .2s}
.faq-item[open]{background:#FFF4EC;border-color:var(--apricot)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-size:16px;font-weight:700;outline:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:15px;font-size:22px;font-weight:400;line-height:1;color:var(--caramel)}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:2px solid var(--mint);outline-offset:4px;border-radius:6px}
.faq-item p{margin:0;padding:0 0 20px;font-size:15px;color:var(--ink-soft)}

/* 收尾 CTA */
.cta-box{position:relative;overflow:hidden;background:var(--ink);color:#FFF8F1;border-radius:28px;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta-box::before{content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;background:rgba(246,165,143,.16)}
.cta-box h2{font-size:clamp(24px,3vw,36px);margin-bottom:12px;position:relative}
.cta-box p{color:rgba(255,248,241,.74);max-width:38em;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative}
.cta-box .btn-ghost{border-color:rgba(255,248,241,.5);color:#FFF8F1}
.cta-box .btn-ghost:hover{background:rgba(255,248,241,.12)}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,248,241,.78);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{color:#FFF8F1;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:32em}
.footer-col h4{font-size:15px;color:#FFF8F1;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,248,241,.7);transition:color .2s}
.footer-col a:hover{color:var(--apricot)}
.copyright{border-top:1px solid rgba(255,248,241,.14);padding-top:22px;padding-bottom:26px;font-size:13px;color:rgba(255,248,241,.5)}

/* 响应式 */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:68px 0}
  .nav-menu{display:none}
  .nav-cta{display:none}
  .menu-btn{display:flex}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .pain-grid,.faq-grid{grid-template-columns:1fr;gap:28px}
  .pain-head,.faq-head{position:static}
  .bento{grid-template-columns:1fr 1fr}
  .bento-large{grid-column:span 2;grid-row:auto}
  .cat-grid,.topic-grid{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .metrics{grid-template-columns:1fr 1fr;gap:24px}
  .quotes{grid-template-columns:1fr 1fr}
  .quote-main{grid-column:span 2;grid-row:auto}
  .player-grid{grid-template-columns:1fr;gap:32px}
  .cal{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-box{padding:40px;flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .bento,.cat-grid,.topic-grid,.crowd-grid,.news,.quotes,.feat-grid,.stat-grid,.footer-grid{grid-template-columns:1fr}
  .quote-main{grid-column:auto}
  .steps{grid-template-columns:1fr}
  .cal{grid-template-columns:1fr 1fr}
  .cta-box{padding:32px 24px;border-radius:22px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero-doors{grid-template-columns:1fr}
  .cal{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .btn-row{flex-direction:column}
  .btn-row .btn{width:100%}
  .hero-facts{flex-direction:column;gap:8px}
  .remind input{flex:1 1 100%}
  .remind .btn{width:100%}
  .ctrl-bar{flex-wrap:wrap;gap:12px}
  .ctrl-time{font-size:12px}
  .footer-grid{gap:28px}
  .stat-grid{grid-template-columns:1fr 1fr}
}