/* 红桃视频内容站：暖白、莓红、深灰，强调清晰阅读路径 */
:root{
  --brand:#B93A4A;--brand-soft:#D9828D;--ink:#2B2528;--text:#332D2F;--muted:#756B6E;
  --bg:#FFF9F7;--bg-soft:#F6ECEB;--accent:#E45B4F;--white:#fff;--line:#E8D8D7;
  --shadow:0 18px 45px rgba(43,37,40,.10);--radius:20px;--radius-sm:12px;--max:1180px;
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;overflow-wrap:anywhere}
body.modal-open{overflow:hidden}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#8d2937}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.narrow{width:min(calc(100% - 40px),860px);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-100px;z-index:999;background:var(--ink);color:white;padding:10px 16px;border-radius:8px}
.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,249,247,.96);border-bottom:1px solid rgba(185,58,74,.10);backdrop-filter:blur(16px)}
.header-inner{min-height:76px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;text-decoration:none;white-space:nowrap}
.brand img{width:42px;height:42px;object-fit:contain;border-radius:10px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.primary-nav a{color:var(--text);text-decoration:none;padding:9px 11px;border-radius:10px;font-size:15px;white-space:nowrap}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--bg-soft);color:var(--brand)}
.search-open,.menu-toggle{border:1px solid var(--line);background:white;color:var(--ink);border-radius:12px;padding:9px 13px}
.search-open:hover,.menu-toggle:hover{border-color:var(--brand-soft)}
.menu-toggle{display:none}
main{min-height:60vh}
.hero{padding:76px 0 66px;position:relative;overflow:hidden}
.home-hero:before{content:"";position:absolute;right:-120px;top:-140px;width:430px;height:430px;border:70px solid rgba(217,130,141,.11);border-radius:50%;pointer-events:none}
.hero-grid,.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(360px,.96fr);gap:58px;align-items:center}
.hero-copy{position:relative;z-index:1}
.eyebrow{display:inline-block;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.eyebrow.light{color:#f7c8ce}
h1,h2,h3{color:var(--ink);line-height:1.22;margin-top:0;letter-spacing:-.02em}
h1{font-size:clamp(38px,5vw,68px);margin-bottom:22px}
h2{font-size:clamp(28px,3.2vw,44px);margin-bottom:18px}
h3{font-size:21px;margin-bottom:10px}
.hero-lead{font-size:19px;line-height:1.75;color:#51474a;max-width:760px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:999px;text-decoration:none;font-weight:750;border:1px solid transparent}
.button.primary{background:var(--brand);color:white;box-shadow:0 10px 25px rgba(185,58,74,.20)}
.button.primary:hover{background:#a63140;color:white}
.button.secondary{background:white;border-color:var(--line);color:var(--brand)}
.button.secondary:hover{border-color:var(--brand-soft);background:#fffdfc}
.button.ghost{background:transparent;border-color:rgba(185,58,74,.28);color:var(--brand)}
.hero-note{margin-top:22px;padding:14px 16px;border-left:3px solid var(--brand-soft);background:rgba(255,255,255,.58);border-radius:0 10px 10px 0;color:var(--muted)}
.hero-media{margin:0;position:relative}
.hero-media:after{content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid rgba(185,58,74,.18);border-radius:28px;z-index:-1}
.hero-media img,.page-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow);background:var(--bg-soft)}
.section{padding:76px 0}
.section-soft{background:var(--bg-soft)}
.section-deep{background:var(--ink);color:#f7eeee}
.section-deep h2{color:white}
.section-final{padding-top:36px}
.section-heading{max-width:800px;margin-bottom:34px}
.section-heading p{color:var(--muted);font-size:17px}
.split-heading{max-width:none;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:end}
.split-heading>p{margin-bottom:0}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 30px rgba(43,37,40,.05)}
.topic-card img{width:100%;aspect-ratio:3/2;object-fit:cover;background:#eadbda}
.topic-card-body{padding:22px}
.topic-card-body h3 a{color:var(--ink);text-decoration:none}
.topic-card-body p{color:var(--muted);margin-bottom:16px}
.text-link{font-weight:750;text-decoration:none;border-bottom:1px solid rgba(185,58,74,.35);padding-bottom:2px}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:62px;align-items:start}
.editorial-block>div>p{font-size:18px;color:var(--muted)}
.check-steps{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.check-steps li{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}
.step-number{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--brand);color:white;font-weight:800}
.check-steps strong{font-size:18px;color:var(--ink)}
.check-steps p{margin:4px 0 0;color:var(--muted)}
.feature-band{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.feature-band-copy p{color:#d9cdcf;font-size:18px}
.feature-band img{border-radius:24px;aspect-ratio:4/3;object-fit:cover;background:#463a3f}
.inline-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.inline-links a{color:inherit;font-weight:750}
.section-deep .inline-links a{color:#ffd7dc}
.guide-list{border-top:1px solid var(--line)}
.guide-row{display:grid;grid-template-columns:140px minmax(220px,.8fr) 1.2fr auto;gap:22px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.guide-row .eyebrow{margin:0}
.guide-row h3{margin:0;font-size:20px}
.guide-row h3 a{color:var(--ink);text-decoration:none}
.guide-row p{margin:0;color:var(--muted)}
.section-cta{margin-top:30px;text-align:center}
.mobile-focus,.about-snapshot{display:grid;grid-template-columns:.92fr 1.08fr;gap:58px;align-items:center}
.mobile-focus figure,.about-snapshot img{margin:0}
.mobile-focus img,.about-snapshot img{border-radius:24px;box-shadow:var(--shadow);background:white;aspect-ratio:4/3;object-fit:cover}
.tick-list{padding:0;list-style:none;margin:24px 0}
.tick-list li{position:relative;padding:9px 0 9px 32px}
.tick-list li:before{content:"✓";position:absolute;left:0;top:8px;color:var(--brand);font-weight:900}
.safety-strip{display:flex;gap:50px;justify-content:space-between;align-items:center;padding:32px;border:1px solid var(--line);border-radius:24px;background:white}
.safety-strip>div:first-child{max-width:760px}
.safety-strip p{color:var(--muted);font-size:17px}
.safety-actions{display:flex;flex-direction:column;gap:15px;min-width:220px}
.faq-preview{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-preview article{padding:24px;border:1px solid var(--line);background:white;border-radius:16px}
.faq-preview p{color:var(--muted)}
.final-cta{background:var(--brand);color:white;border-radius:28px;padding:42px;display:grid;grid-template-columns:1.3fr .7fr;gap:42px;align-items:center}
.final-cta h2{color:white}
.final-cta p{color:#ffe9ec}
.final-links{display:grid;gap:10px}
.final-links a{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:12px 14px;border-radius:12px;color:white;text-decoration:none;font-weight:750}
.page-hero{padding:56px 0 44px;background:linear-gradient(180deg,var(--bg-soft),var(--bg))}
.page-hero.compact{padding-bottom:36px}
.page-hero h1{font-size:clamp(36px,4.5vw,58px)}
.page-visual{margin:0}
.breadcrumbs{margin-bottom:22px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0;color:var(--muted);font-size:14px}
.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px;color:#aa999d}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) minmax(240px,300px);gap:64px;align-items:start;justify-content:space-between}
.prose{font-size:17px}
.prose h2{font-size:30px;margin-top:46px;margin-bottom:14px}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:32px}
.prose p{margin:0 0 18px;color:#463e41}
.prose ul,.prose ol{padding-left:24px;margin:0 0 22px}
.prose li{margin-bottom:8px}
.prose a{font-weight:700}
.info-box{background:var(--bg-soft);border-left:4px solid var(--brand-soft);padding:22px;border-radius:0 14px 14px 0;margin:28px 0}
.info-box strong{display:block;color:var(--ink);font-size:18px;margin-bottom:6px}
.info-box p{margin:0}
.side-panel{position:sticky;top:106px;padding:24px;background:white;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 35px rgba(43,37,40,.05)}
.side-panel h2{font-size:23px}
.side-panel a{display:block;padding:12px 0;border-top:1px solid var(--line);text-decoration:none;font-weight:700}
.side-panel a:first-of-type{border-top:0}
.article-hero{padding:48px 0 28px;background:var(--bg-soft)}
.article-hero h1{font-size:clamp(34px,4vw,54px)}
.article-hero figure{margin:34px 0 0}
.article-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:24px;box-shadow:var(--shadow);background:white}
.article-prose section+section{border-top:1px solid var(--line);margin-top:38px;padding-top:4px}
.article-return{margin-top:42px;padding:24px;background:var(--bg-soft);border-radius:16px}
.article-return strong{font-size:18px;color:var(--ink)}
.article-return p{margin:8px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{padding:24px;background:white;border:1px solid var(--line);border-radius:16px}
.related-card h3 a{color:var(--ink);text-decoration:none}
.related-card p{color:var(--muted)}
.faq-page{max-width:900px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item h2{margin:0;font-size:21px}
.faq-item button{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;text-align:left;border:0;background:transparent;color:var(--ink);font-weight:800;padding:22px 0}
.faq-item button span{font-size:28px;color:var(--brand);transition:transform .2s ease}
.faq-item button[aria-expanded="true"] span{transform:rotate(45deg)}
.faq-answer{padding:0 0 22px;color:var(--muted)}
.faq-answer p{margin-top:0}
.guide-hub{max-width:1050px}
.search-modal[hidden]{display:none !important}
.search-modal{position:fixed;inset:0;z-index:500;display:grid;place-items:start center;padding:8vh 20px 20px}
.search-backdrop{position:absolute;inset:0;background:rgba(43,37,40,.58);backdrop-filter:blur(4px)}
.search-panel{position:relative;z-index:1;width:min(100%,720px);background:var(--bg);border-radius:24px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.26)}
.search-panel h2{font-size:32px}
.search-close{position:absolute;right:16px;top:14px;width:42px;height:42px;border:0;border-radius:50%;background:var(--bg-soft);font-size:28px;color:var(--ink)}
.search-form label{display:block;font-weight:750;margin-bottom:8px}
.search-input-row{display:flex;gap:10px}
.search-input-row input{flex:1;min-width:0;border:1px solid var(--line);background:white;color:var(--ink);border-radius:12px;padding:12px 14px;outline:none}
.search-input-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(185,58,74,.12)}
.search-input-row button{border:0;border-radius:12px;padding:12px 18px;background:var(--brand);color:white;font-weight:800}
.muted{color:var(--muted);font-size:14px}
.search-page-hero{padding:56px 0;background:var(--bg-soft)}
.page-search{margin-top:28px}
.search-results{display:grid;gap:0;border-top:1px solid var(--line)}
.result-count{color:var(--muted)}
.search-results article{padding:24px 0;border-bottom:1px solid var(--line)}
.search-results h2{font-size:24px;margin-bottom:8px}
.search-results h2 a{color:var(--ink);text-decoration:none}
.search-results p{margin:0;color:var(--muted)}
.empty-state{padding:34px;background:white;border:1px solid var(--line);border-radius:20px}
.not-found{padding:100px 0}
.not-found h1{font-size:clamp(38px,5vw,64px)}
.not-found-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:30px}
.not-found-links a{padding:16px;border:1px solid var(--line);border-radius:14px;text-decoration:none;font-weight:750;background:white}
.site-footer{margin-top:40px;padding:58px 0 24px;background:#251f22;color:#ddd0d3}
.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:40px}
.site-footer h2{font-size:16px;color:white;margin-bottom:14px}
.site-footer a{display:block;color:#eddde0;text-decoration:none;margin:8px 0}
.site-footer a:hover{color:white}
.footer-brand strong{font-size:24px;color:white}
.footer-brand p{max-width:380px;color:#c7b8bc}
.site-footer .muted{color:#aa9da0}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.10);margin-top:36px;padding-top:20px;color:#aa9da0;font-size:14px}
.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:white;color:var(--brand);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s ease}
.back-top.visible{opacity:1;pointer-events:auto;transform:none}
:focus-visible{outline:3px solid rgba(228,91,79,.45);outline-offset:3px}
@media(max-width:1120px){
  .primary-nav a{padding-inline:8px;font-size:14px}.header-inner{gap:12px}.hero-grid,.page-hero-grid{gap:38px}
  .guide-row{grid-template-columns:110px minmax(200px,.8fr) 1.2fr}.guide-row .text-link{grid-column:2/4;width:max-content}
}
@media(max-width:980px){
  .menu-toggle{display:inline-flex;margin-left:auto}.primary-nav{display:none;position:absolute;top:76px;left:20px;right:20px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.open{display:flex}.primary-nav a{padding:12px}
  .hero-grid,.page-hero-grid,.feature-band,.mobile-focus,.about-snapshot{grid-template-columns:1fr}.page-hero-grid .page-visual{max-width:680px}.topic-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}.side-panel{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:0 20px}.side-panel .eyebrow,.side-panel h2{grid-column:1/-1}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .container,.narrow{width:min(calc(100% - 28px),var(--max))}.header-inner{min-height:68px}.primary-nav{top:68px;left:14px;right:14px}.brand img{width:36px;height:36px}.search-open{font-size:0;padding:9px 11px}.search-open:after{content:"搜";font-size:15px}
  .hero{padding:52px 0}.hero-grid{gap:30px}.hero-actions{flex-direction:column;align-items:stretch}.button{width:100%}.section{padding:58px 0}.split-heading,.two-column,.final-cta{grid-template-columns:1fr;gap:28px}.topic-grid,.related-grid,.faq-preview{grid-template-columns:1fr}.guide-row{grid-template-columns:1fr;gap:7px;padding:22px 0}.guide-row .text-link{grid-column:auto}.safety-strip{align-items:flex-start;flex-direction:column}.safety-actions{width:100%}.final-cta{padding:30px}.page-hero{padding:38px 0 30px}.page-hero-grid{grid-template-columns:1fr}.page-visual img{border-radius:18px}.article-layout{gap:38px}.prose h2{font-size:27px;margin-top:38px}.side-panel{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{flex-direction:column}.not-found-links{grid-template-columns:1fr}.search-panel{padding:28px 20px}.search-input-row{flex-direction:column}.search-input-row button{width:100%}
}
@media(max-width:520px){
  body{font-size:15.5px}.header-inner{gap:8px}.brand span{font-size:15px}.menu-toggle{padding:8px 10px}.search-open{padding:8px 10px}h1{font-size:36px}.hero-lead{font-size:17px}.hero-media:after{display:none}.topic-card-body{padding:18px}.section{padding:48px 0}.check-steps li{grid-template-columns:40px 1fr}.step-number{width:36px;height:36px}.final-cta{border-radius:20px;padding:24px}.article-hero{padding-top:34px}.article-hero figure{margin-top:24px}.site-footer{padding-top:46px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}