/* 91-m.beauty — Ember Mirror 独立视觉体系 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --void:#070709;
  --panel:#101016;
  --panel-2:#16161f;
  --ember:#ff7a00;
  --ember-light:#ffb347;
  --rose:#e84393;
  --rose-soft:#f472b6;
  --ice:#60a5fa;
  --paper:#f5f5f7;
  --text:#ececef;
  --muted:#8b8b9a;
  --edge:rgba(255,255,255,.06);
  --header:64px;
  --radius:14px;
  --serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--sans);background:var(--void);color:var(--text);line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--ember-light);text-decoration:none;transition:color .2s}
a:hover{color:var(--ember)}
.container{width:min(1120px,92vw);margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:1000;height:var(--header);background:rgba(7,7,9,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--edge)}
.header-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 4vw;max-width:1200px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--serif);font-weight:700;font-size:1.05rem;letter-spacing:.04em}
.brand img{width:38px;height:38px;border-radius:10px;box-shadow:0 0 0 2px rgba(255,122,0,.25)}
.site-nav ul{display:flex;gap:28px;list-style:none}
.site-nav a{color:var(--muted);font-size:.88rem;font-weight:500;position:relative;padding:6px 0}
.site-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--ember),var(--rose));transition:width .25s}
.site-nav a:hover,.site-nav a.active{color:#fff}
.site-nav a:hover::after,.site-nav a.active::after{width:100%}
.menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Sticky ads */
#ads-sticky-bar{position:fixed;left:0;right:0;z-index:999;background:rgba(16,16,22,.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--edge);transform:translateY(-110%);opacity:0;transition:transform .35s,opacity .35s;pointer-events:none}
#ads-sticky-bar.visible{transform:translateY(0);opacity:1;pointer-events:auto}
#ads-sticky-bar .ads-inner{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:8px 10px;padding:10px 12px;max-width:1120px;margin:0 auto}
#ads-sticky-bar .ads-inner>div{width:calc(12.5% - 9px);min-width:66px;display:flex;flex-direction:column;align-items:center}
#ads-sticky-bar .ads-inner img{width:52px;height:52px;border-radius:14px;object-fit:cover;box-shadow:0 4px 16px rgba(0,0,0,.4);border:1px solid var(--edge)}
#ads-sticky-bar .ads-inner .caption{font-size:10px;color:var(--muted);text-align:center;max-width:72px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}

main{padding-top:var(--header)}

/* Download band */
.download-band{padding:26px 0 22px;background:linear-gradient(180deg,var(--panel) 0%,var(--void) 100%);border-bottom:1px solid var(--edge)}
.download-band .band-label{text-align:center;font-size:.82rem;color:var(--muted);margin-bottom:12px;letter-spacing:.14em;text-transform:uppercase}
#ads{display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;gap:10px 14px}
#ads>div{display:flex;flex-direction:column;align-items:center;width:70px}
#ads img{width:65px;height:65px;object-fit:cover;border-radius:18px;box-shadow:0 6px 20px rgba(0,0,0,.35);transition:transform .18s,box-shadow .18s;border:1px solid var(--edge)}
#ads a{display:inline-block;border-radius:15px}
#ads img:hover{transform:translateY(-4px) scale(1.04);box-shadow:0 10px 28px rgba(255,122,0,.2)}
#ads .caption{height:15px;font-size:11px;color:var(--muted);text-align:center;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}

/* Hero — split layout with overlapping phone mockups */
.hero-split{padding:48px 0 56px;background:linear-gradient(180deg,var(--panel) 0%,var(--void) 100%);border-bottom:1px solid var(--edge)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-phones{position:relative;width:100%;max-width:380px;min-width:260px;height:520px;margin:0 auto;flex-shrink:0}
.hero-phones img{position:absolute;display:block;max-width:none;width:auto;height:auto;border-radius:16px;object-fit:cover;object-position:top;border:2px solid rgba(255,255,255,.1);box-shadow:0 16px 48px rgba(0,0,0,.45);background:var(--panel-2)}
.hero-phones .hp-1{width:46%;aspect-ratio:9/16;top:6%;left:0;transform:rotate(-8deg);z-index:1}
.hero-phones .hp-2{width:44%;aspect-ratio:9/16;top:12%;left:28%;transform:rotate(4deg);z-index:3}
.hero-phones .hp-3{width:42%;aspect-ratio:9/16;bottom:8%;left:10%;transform:rotate(-3deg);z-index:2}
.hero-phones .hp-4{width:40%;aspect-ratio:9/16;bottom:4%;right:0;transform:rotate(9deg);z-index:4}
.hero-copy{max-width:540px}
.hero-badge{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(255,122,0,.12);border:1px solid rgba(255,122,0,.3);color:var(--ember-light);font-size:.76rem;font-weight:600;letter-spacing:.1em;margin-bottom:20px}
.hero-copy h1{font-family:var(--serif);font-size:clamp(1.65rem,4.2vw,2.6rem);font-weight:800;line-height:1.3;color:#fff;margin-bottom:16px}
.hero-copy h1 em{display:block;font-style:normal;font-size:.58em;font-weight:600;color:var(--muted);margin-top:10px;letter-spacing:.06em;font-family:var(--sans)}
.hero-lead{font-size:clamp(.94rem,2.1vw,1.05rem);color:var(--muted);margin-bottom:24px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-metrics span{padding:8px 14px;border-radius:8px;background:var(--panel-2);border:1px solid var(--edge);font-size:.8rem;color:var(--muted)}
.hero-metrics span strong{color:var(--ember-light);font-weight:700}
.hero-anchor{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.84rem;border-bottom:1px dashed rgba(255,255,255,.2);padding-bottom:4px}
.hero-anchor svg{width:16px;height:16px;animation:drift 2.2s ease-in-out infinite}
@keyframes drift{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* SEO text modules */
.seo-band{padding:56px 0;border-top:1px solid var(--edge);border-bottom:1px solid var(--edge)}
.seo-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.seo-col{padding:28px 24px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--edge)}
.seo-col h3{font-family:var(--serif);font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:12px;padding-left:12px;border-left:3px solid var(--ember)}
.seo-col p{color:var(--muted);font-size:.91rem;margin-bottom:10px;line-height:1.8}
.seo-col ul{margin:8px 0 0 18px;color:var(--muted);font-size:.89rem}
.seo-col li{margin-bottom:6px}
.text-panels{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.text-panel{padding:24px 20px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--edge)}
.text-panel h4{font-size:.95rem;font-weight:700;color:var(--ember-light);margin-bottom:10px}
.text-panel p{color:var(--muted);font-size:.87rem;line-height:1.75;margin:0}
.preview-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:36px 0 8px}
.preview-strip figure{border-radius:12px;overflow:hidden;border:1px solid var(--edge);background:var(--panel-2)}
.preview-strip img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:top}
.preview-strip figcaption{padding:8px 10px;font-size:.72rem;color:var(--muted);text-align:center;background:rgba(0,0,0,.3)}
.prose-wide{max-width:100%;margin-top:36px;padding:32px 28px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--edge)}
.prose-wide h3{font-family:var(--serif);font-size:1.12rem;font-weight:700;color:#fff;margin-bottom:14px}
.prose-wide p{color:var(--muted);font-size:.92rem;margin-bottom:12px;line-height:1.85}
.prose-wide p:last-child{margin-bottom:0}

/* Section system */
.section{padding:68px 0}
.section.alt{background:var(--panel)}
.section-head{text-align:center;margin-bottom:44px;max-width:760px;margin-left:auto;margin-right:auto}
.section-head .eyebrow{font-size:.76rem;font-weight:700;color:var(--rose-soft);letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-family:var(--serif);font-size:clamp(1.4rem,3.2vw,1.95rem);font-weight:800;color:#fff;line-height:1.35;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:.96rem}

/* Split 3:7 */
.split-row{display:grid;grid-template-columns:3fr 7fr;gap:32px;align-items:start;margin-bottom:44px}
.split-row.flip{grid-template-columns:7fr 3fr}
.split-row.flip .split-media{order:2}
.split-row.flip .split-text{order:1}
.split-media{border-radius:var(--radius);overflow:hidden;background:var(--panel-2);border:1px solid var(--edge);box-shadow:0 18px 50px rgba(0,0,0,.4);position:relative}
.split-media::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--ember),var(--rose));z-index:1}
.split-media img{width:100%;max-width:100%;aspect-ratio:9/16;min-height:280px;object-fit:cover;object-position:top}
.split-media figcaption{padding:10px 12px;font-size:.72rem;color:var(--muted);text-align:center;background:rgba(0,0,0,.35)}
.split-text h3{font-family:var(--serif);font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:12px;line-height:1.45}
.split-text p{color:var(--muted);margin-bottom:12px;font-size:.93rem}
.split-text ul{margin:10px 0 14px 20px;color:var(--muted);font-size:.91rem}
.split-text li{margin-bottom:7px}
.split-text li::marker{color:var(--ember)}

/* Mirror cards */
.mirror-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mirror-card{padding:28px 22px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--edge);position:relative;overflow:hidden;transition:border-color .25s,transform .25s}
.mirror-card::after{content:attr(data-num);position:absolute;top:12px;right:16px;font-size:2rem;font-weight:900;color:rgba(255,122,0,.08);font-family:var(--serif);line-height:1}
.mirror-card:hover{border-color:rgba(255,122,0,.35);transform:translateY(-2px)}
.mirror-card .icon{font-size:1.5rem;margin-bottom:14px}
.mirror-card h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:8px}
.mirror-card p{font-size:.86rem;color:var(--muted);line-height:1.65}

/* Channel strip */
.channel-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:36px 0 28px}
.channel-strip span{padding:10px 18px;border-radius:999px;background:var(--panel-2);border:1px solid var(--edge);font-size:.82rem;color:var(--muted);font-weight:500}
.channel-strip span.active{background:linear-gradient(135deg,rgba(255,122,0,.2),rgba(232,67,147,.15));border-color:rgba(255,122,0,.4);color:#fff}

/* Metric bar */
.metric-bar{display:grid;grid-template-columns:repeat(4,1fr);border-radius:var(--radius);overflow:hidden;border:1px solid var(--edge);margin:40px 0}
.metric-bar div{padding:26px 16px;text-align:center;background:var(--panel-2)}
.metric-bar .val{font-family:var(--serif);font-size:1.55rem;font-weight:800;background:linear-gradient(135deg,var(--ember-light),var(--rose-soft));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.metric-bar .lab{font-size:.76rem;color:var(--muted);margin-top:6px}

/* Prose */
.prose-wrap{max-width:820px;margin:0 auto}
.prose-wrap h3{font-family:var(--serif);font-size:1.1rem;font-weight:700;color:#fff;margin:26px 0 12px}
.prose-wrap p{color:var(--muted);margin-bottom:12px;font-size:.93rem}

/* Timeline */
.timeline{position:relative;padding-left:32px;margin-top:28px}
.timeline::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--ember),var(--rose))}
.timeline-item{position:relative;padding:0 0 28px 24px}
.timeline-item::before{content:"";position:absolute;left:-27px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--ember);box-shadow:0 0 0 4px rgba(255,122,0,.2)}
.timeline-item h4{font-size:.98rem;font-weight:700;color:#fff;margin-bottom:6px}
.timeline-item p{color:var(--muted);font-size:.9rem;margin:0}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-row{border-bottom:1px solid var(--edge)}
.faq-btn{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 0;background:none;border:none;color:#fff;font-size:.96rem;font-weight:600;text-align:left;cursor:pointer;font-family:inherit}
.faq-btn svg{flex-shrink:0;width:18px;height:18px;color:var(--ember);transition:transform .25s}
.faq-row.open .faq-btn svg{transform:rotate(180deg)}
.faq-body{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-body-inner{padding:0 0 18px;color:var(--muted);font-size:.9rem;line-height:1.75}
.faq-row.open .faq-body{max-height:500px}

/* CTA */
.cta-mirror{padding:56px 0;text-align:center;background:radial-gradient(ellipse 80% 60% at 50% 100%,rgba(255,122,0,.12),transparent 60%),var(--panel);border-top:1px solid var(--edge)}
.cta-mirror h2{font-family:var(--serif);font-size:clamp(1.35rem,3vw,1.8rem);font-weight:800;color:#fff;margin-bottom:10px}
.cta-mirror p{color:var(--muted);margin-bottom:22px;font-size:.94rem;max-width:540px;margin-left:auto;margin-right:auto}
.btn-ember{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:999px;background:linear-gradient(135deg,var(--ember),#e85d04);color:#111;font-weight:700;font-size:.92rem;border:none;cursor:pointer;box-shadow:0 8px 30px rgba(255,122,0,.3);transition:transform .2s,box-shadow .2s}
.btn-ember:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(255,122,0,.4);color:#111}

/* Footer */
.site-footer{padding:44px 0 28px;background:var(--panel);border-top:1px solid var(--edge)}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand p{color:var(--muted);font-size:.86rem;margin-top:10px;max-width:300px;line-height:1.7}
.footer-col h4{font-size:.82rem;font-weight:700;color:#fff;margin-bottom:12px;letter-spacing:.08em}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:7px}
.footer-col a{color:var(--muted);font-size:.86rem}
.footer-col a:hover{color:var(--ember-light)}
.footer-base{padding-top:20px;border-top:1px solid var(--edge);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.78rem;color:var(--muted)}

/* Breadcrumb */
.breadcrumb{padding:16px 0 0;font-size:.82rem;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ember-light)}
.breadcrumb span{margin:0 8px;opacity:.45}

/* Sub pages */
.page-banner{padding:32px 0 24px;border-bottom:1px solid var(--edge)}
.page-banner h1{font-family:var(--serif);font-size:clamp(1.45rem,3.2vw,1.95rem);font-weight:800;color:#fff;margin-bottom:8px}
.page-banner p{color:var(--muted);font-size:.93rem;max-width:640px}
.legal-body{padding:36px 0 60px;max-width:820px}
.legal-body h2{font-family:var(--serif);font-size:1.08rem;font-weight:700;color:#fff;margin:28px 0 10px}
.legal-body h3{font-size:.96rem;font-weight:600;color:var(--ember-light);margin:20px 0 8px}
.legal-body p,.legal-body li{color:var(--muted);font-size:.91rem;margin-bottom:10px;line-height:1.8}
.legal-body ul,.legal-body ol{margin:8px 0 14px 22px}

/* Error */
.error-wrap{min-height:calc(100vh - var(--header) - 60px);display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.error-num{font-family:var(--serif);font-size:clamp(4rem,11vw,6.5rem);font-weight:900;line-height:1;background:linear-gradient(135deg,var(--ember),var(--rose));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.error-wrap h1{font-size:1.3rem;font-weight:700;color:#fff;margin:14px 0 8px}
.error-wrap p{color:var(--muted);margin-bottom:22px;max-width:420px;font-size:.92rem}

/* Sticky states */
body.has-sticky-ads-pc #ads-sticky-bar{top:var(--header)}
body.has-sticky-ads:not(.has-sticky-ads-pc) #ads-sticky-bar{bottom:0;top:auto;border-top:1px solid var(--edge);border-bottom:none;transform:translateY(110%)}
body.has-sticky-ads:not(.has-sticky-ads-pc) #ads-sticky-bar.visible{transform:translateY(0)}
body.has-sticky-ads:not(.has-sticky-ads-pc) #ads-sticky-bar .ads-inner>div{width:calc(25% - 9px)}
body.has-sticky-ads:not(.has-sticky-ads-pc){padding-bottom:96px}

@media(max-width:960px){
  .split-row,.split-row.flip{grid-template-columns:1fr;gap:22px}
  .split-row.flip .split-media,.split-row.flip .split-text{order:unset}
  .split-media{max-width:260px;margin:0 auto}
  .mirror-grid{grid-template-columns:1fr 1fr}
  .metric-bar{grid-template-columns:1fr 1fr}
  .footer-cols{grid-template-columns:1fr 1fr}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-phones{width:min(100%,320px);min-width:240px;height:440px;order:2}
  .hero-copy{text-align:center;max-width:640px;margin:0 auto;order:1}
  .hero-metrics{justify-content:center}
  .seo-columns,.text-panels{grid-template-columns:1fr}
  .preview-strip{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .menu-btn{display:flex}
  .site-nav{position:fixed;top:var(--header);left:0;right:0;background:rgba(16,16,22,.98);border-bottom:1px solid var(--edge);padding:14px 0;transform:translateY(-120%);opacity:0;transition:.3s;pointer-events:none}
  .site-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .site-nav ul{flex-direction:column;align-items:center;gap:16px}
  .site-nav a.nav-dl{display:none}
  .mirror-grid{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr}
  .section{padding:48px 0}
}