/* 红桃视频：温润克制的品牌视频平台风格 */
:root{
 --brand:#B93A4A;--brand-soft:#D9828D;--ink:#2B2528;--bg:#FFF9F7;--soft:#F6ECEB;--text:#332D2F;--muted:#756B6E;--accent:#E45B4F;--surface:#fff;--line:#E8DAD8;--line-strong:#D9C7C5;--shadow:0 18px 50px rgba(76,44,49,.10);--shadow-soft:0 10px 30px rgba(76,44,49,.07);--radius-lg:28px;--radius-md:18px;--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.75;text-rendering:optimizeLegibility}body.modal-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}h1,h2,h3,p,figure,dl,dd{margin-top:0}h1,h2,h3{color:var(--ink);line-height:1.22;letter-spacing:-.02em}h1{font-size:clamp(2.6rem,6vw,5.2rem);margin-bottom:22px}h2{font-size:clamp(1.85rem,3.4vw,3rem);margin-bottom:18px}h3{font-size:1.25rem;margin-bottom:10px}p{margin-bottom:18px}.shell{width:min(calc(100% - 40px),var(--max));margin:0 auto}.skip-link{position:fixed;left:18px;top:12px;z-index:200;padding:10px 14px;background:var(--ink);color:#fff;border-radius:10px;transform:translateY(-180%);transition:.2s ease}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,247,.94);border-bottom:1px solid rgba(217,199,197,.75);backdrop-filter:blur(16px)}.header-row{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;flex:none}.brand img{width:48px;height:48px;object-fit:contain}.brand-copy{display:grid;line-height:1.2}.brand-copy strong{font-size:1.03rem;color:var(--ink)}.brand-copy small{margin-top:4px;color:var(--muted);font-size:.74rem}.primary-nav{display:flex;align-items:center;justify-content:center;gap:4px;margin-left:auto}.primary-nav a{padding:11px 12px;border-radius:999px;color:#574E51;font-size:.94rem;transition:background .18s ease,color .18s ease}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--soft);color:var(--brand)}.search-toggle,.menu-toggle{border:1px solid var(--line-strong);background:var(--surface);border-radius:999px;padding:10px 16px;cursor:pointer;font-weight:700;color:var(--ink)}.search-toggle:hover,.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}.menu-toggle{display:none;margin-left:auto}
.eyebrow{margin:0 0 14px;color:var(--brand);font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.13em}.home-hero{padding:72px 0 64px;background:radial-gradient(circle at 88% 18%,rgba(217,130,141,.18),transparent 26%),radial-gradient(circle at 12% 80%,rgba(185,58,74,.08),transparent 28%),var(--bg)}.home-hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.home-hero__lead{max-width:720px;font-size:1.18rem;color:#544B4E;line-height:1.9}.home-hero__media{position:relative;padding:14px;margin:0;background:var(--surface);border:1px solid var(--line);border-radius:34px;box-shadow:var(--shadow)}.home-hero__media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:24px}.home-hero__media figcaption{padding:14px 10px 4px;color:var(--muted);font-size:.9rem}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:999px;border:1px solid transparent;font-weight:800;line-height:1.2;cursor:pointer;transition:.18s ease}.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 10px 24px rgba(185,58,74,.18)}.btn-primary:hover{background:#9f2f3f;border-color:#9f2f3f;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}.btn-secondary:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}.text-link{display:inline-flex;align-items:center;color:var(--brand);font-weight:800}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:34px 0 0}.hero-facts div{padding:15px 16px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:14px}.hero-facts dt{color:var(--muted);font-size:.78rem}.hero-facts dd{margin-top:5px;color:var(--ink);font-weight:800;font-size:.92rem}
.home-paths{padding:38px 0 92px}.section-heading{max-width:800px;margin-bottom:34px}.section-heading p:last-child{color:var(--muted);font-size:1.04rem}.section-heading--split{max-width:none;display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:end}.path-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:18px}.path-card{min-height:310px;display:flex;flex-direction:column;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);transition:.2s ease}.path-card:hover{transform:translateY(-3px);border-color:#d5babb;box-shadow:var(--shadow)}.path-card--main{background:var(--ink);border-color:var(--ink);color:#f7ecea}.path-card strong{font-size:1.45rem;line-height:1.35;color:var(--ink);margin:16px 0 12px}.path-card--main strong{color:#fff}.path-card p{color:var(--muted)}.path-card--main p{color:#d9cbce}.path-card .text-link{margin-top:auto}.path-card--main .text-link{color:#f0a8b2}.path-card__num{font-size:.76rem;letter-spacing:.12em;color:var(--brand);font-weight:900}.path-card--main .path-card__num{color:#f0a8b2}
.editorial-band{padding:86px 0;background:var(--ink);color:#e9dcdf}.editorial-band__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}.editorial-band figure{margin:0}.editorial-band img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:28px}.editorial-band h2{color:#fff}.editorial-band p{color:#d8c9cc}.editorial-band .eyebrow,.editorial-band .text-link{color:#f0a8b2}.content-section{padding:92px 0}.content-section--soft{background:var(--soft)}.content-section--rose{background:#F2DEDF}.story-list{border-top:1px solid var(--line-strong)}.story-row{display:grid;grid-template-columns:170px 1fr auto;gap:28px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line-strong)}.story-row img{width:170px;aspect-ratio:16/10;object-fit:cover;border-radius:16px}.story-row div span{display:block;color:var(--brand);font-size:.78rem;font-weight:900;letter-spacing:.08em;margin-bottom:4px}.story-row div strong{display:block;color:var(--ink);font-size:1.22rem;line-height:1.35;margin-bottom:7px}.story-row div p{margin:0;color:var(--muted)}.story-row em{font-style:normal;color:var(--brand);font-weight:800;white-space:nowrap}.story-row:hover div strong{color:var(--brand)}
.two-col-feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.two-col-feature figure{margin:0}.two-col-feature img{width:100%;border-radius:28px;aspect-ratio:7/5;object-fit:cover;box-shadow:var(--shadow-soft)}.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.principle-grid article{min-height:260px;padding:24px;background:rgba(255,255,255,.72);border:1px solid rgba(185,58,74,.12);border-radius:20px}.principle-grid span{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:50%;background:var(--brand);color:#fff;font-weight:900;font-size:.8rem}.principle-grid h3{margin-top:38px}.principle-grid p{margin-bottom:0;color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item button{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 2px;border:0;background:transparent;text-align:left;cursor:pointer;font-weight:850;color:var(--ink);font-size:1.02rem}.faq-item button span:last-child{color:var(--brand);font-size:1.4rem;transition:.18s ease}.faq-item button[aria-expanded="true"] span:last-child{transform:rotate(45deg)}.faq-answer{padding:0 44px 18px 2px;color:var(--muted)}.faq-answer p{margin:0}.section-cta{margin-top:26px}.safety-strip{display:grid;grid-template-columns:.75fr 1.25fr;gap:52px;align-items:center}.safety-strip figure{margin:0}.safety-strip img{width:100%;border-radius:22px;aspect-ratio:4/3;object-fit:cover}.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.inline-links a{padding:9px 13px;background:var(--surface);border:1px solid var(--line);border-radius:999px;color:var(--brand);font-weight:750;font-size:.9rem}.inline-links a:hover{border-color:var(--brand)}
.topic-map>div:first-child{max-width:760px;margin-bottom:34px}.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.link-card{display:flex;flex-direction:column;min-height:210px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:18px;transition:.18s ease}.link-card:hover{border-color:#d5babb;box-shadow:var(--shadow-soft);transform:translateY(-2px)}.link-card__eyebrow{color:var(--brand);font-size:.75rem;font-weight:900;letter-spacing:.08em;margin-bottom:12px}.link-card strong{font-size:1.12rem;line-height:1.4;color:var(--ink);margin-bottom:10px}.link-card>span:not(.link-card__eyebrow):not(.text-link){color:var(--muted);font-size:.94rem}.link-card .text-link{margin-top:auto;padding-top:18px;font-size:.9rem}
.breadcrumbs{padding:18px 0 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;color:var(--muted);font-size:.85rem}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#b2a6a8}.breadcrumbs a:hover{color:var(--brand)}.page-hero{padding:52px 0 66px}.page-hero__grid{display:grid;grid-template-columns:1.07fr .73fr;gap:62px;align-items:center}.page-lead{font-size:1.16rem;color:#584f52;max-width:780px}.page-hero__media{margin:0;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow-soft)}.page-hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:19px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:70px;align-items:start}.article-body{max-width:790px}.article-section{padding:0 0 44px;margin-bottom:44px;border-bottom:1px solid var(--line)}.article-section:last-child{border-bottom:0;margin-bottom:0}.article-section h2{font-size:clamp(1.55rem,2.6vw,2.2rem)}.article-section p{color:#4c4447}.check-list{display:grid;gap:10px;margin:24px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding:13px 16px 13px 44px;background:var(--soft);border:1px solid #eedfdd;border-radius:13px}.check-list li::before{content:"✓";position:absolute;left:15px;top:12px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:#fff;font-size:.72rem;font-weight:900}.step-list{counter-reset:step;display:grid;gap:15px;margin:26px 0 0;padding:0;list-style:none}.step-list li{position:relative;padding:18px 20px 17px 70px;border:1px solid var(--line);border-radius:16px;background:#fff}.step-list li::before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:900}.step-list span{display:block;color:var(--ink);font-weight:850;margin-bottom:5px}.step-list p{margin:0;color:var(--muted)}.note-box{margin-top:24px;padding:20px 22px;background:#fff4f2;border:1px solid #edcbc7;border-left:4px solid var(--accent);border-radius:14px}.note-box strong{display:block;color:var(--ink);margin-bottom:5px}.note-box p{margin:0;color:#675c5f}
.article-aside{position:sticky;top:110px;display:grid;gap:16px}.aside-panel{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-soft)}.aside-panel--soft{background:var(--soft);box-shadow:none}.aside-panel h2{font-size:1.06rem;margin-bottom:10px}.aside-panel p{font-size:.9rem;color:var(--muted);margin-bottom:15px}.aside-panel ul{display:grid;gap:8px;margin:0;padding:0;list-style:none}.aside-panel li a{display:block;padding:8px 0;color:#554c4f;border-bottom:1px solid #eee2e0}.aside-panel li:last-child a{border-bottom:0}.aside-panel a:hover{color:var(--brand)}.aside-panel .text-link{display:block;margin-top:10px;font-size:.88rem}
.faq-page-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:70px;align-items:start}.faq-intro{position:sticky;top:110px}.faq-intro h2{font-size:1.55rem}.faq-intro p{color:var(--muted)}.mini-index{display:flex;flex-wrap:wrap;gap:8px}.mini-index a{padding:7px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-weight:750;font-size:.84rem}.faq-list--large .faq-item button{font-size:1.08rem;padding:24px 2px}.note-stack{display:grid;gap:14px}.note-stack article{padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}.note-stack strong{display:block;color:var(--ink);margin-bottom:6px}.note-stack p{margin:0;color:var(--muted)}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:160;display:grid;place-items:start center;padding:10vh 20px 30px}.search-modal__backdrop{position:absolute;inset:0;background:rgba(43,37,40,.72);backdrop-filter:blur(6px)}.search-modal__panel{position:relative;width:min(720px,100%);padding:30px;background:var(--bg);border:1px solid var(--line);border-radius:26px;box-shadow:0 30px 90px rgba(0,0,0,.25)}.search-modal__panel h2{font-size:1.9rem}.search-modal__close{position:absolute;right:18px;top:16px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:1.5rem;cursor:pointer}.search-form label{display:block;font-weight:800;color:var(--ink);margin-bottom:9px}.search-form__row{display:grid;grid-template-columns:1fr auto;gap:10px}.search-form input{width:100%;min-height:48px;padding:11px 14px;border:1px solid var(--line-strong);border-radius:14px;background:#fff;color:var(--text);outline:none}.search-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(185,58,74,.10)}.form-help{margin:12px 0 0;color:var(--muted);font-size:.88rem}
.search-page{padding:56px 0 96px}.search-page__layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:70px;align-items:start}.search-page h1{font-size:clamp(2.3rem,4vw,4rem)}.search-form--page{padding:22px;background:var(--soft);border:1px solid var(--line);border-radius:18px;margin:28px 0 34px}.empty-state{padding:34px;border:1px dashed var(--line-strong);border-radius:18px;background:#fff}.empty-state h2{font-size:1.45rem}.empty-state p{color:var(--muted)}.search-summary{margin:30px 0 18px}.search-summary h2{font-size:1.55rem}.search-summary p{color:var(--muted)}.search-results{display:grid;gap:12px}.search-result{display:block;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.18s ease}.search-result:hover{border-color:#d5babb;box-shadow:var(--shadow-soft);transform:translateY(-1px)}.search-result>span{display:block;color:var(--brand);font-size:.76rem;font-weight:900;letter-spacing:.08em;margin-bottom:5px}.search-result strong{display:block;color:var(--ink);font-size:1.08rem;margin-bottom:6px}.search-result p{color:var(--muted);margin:0 0 8px}.search-result em{font-style:normal;color:var(--brand);font-weight:800;font-size:.9rem}
.not-found{min-height:70vh;display:grid;align-items:center;padding:80px 0}.not-found__inner>p:not(.eyebrow){max-width:720px;color:var(--muted);font-size:1.08rem}.not-found .link-grid{margin-top:42px}.site-footer{padding:70px 0 24px;background:var(--ink);color:#d7c8cb}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:48px;padding-bottom:45px}.brand--footer{margin-bottom:18px}.brand--footer .brand-copy strong{color:#fff}.brand--footer .brand-copy small{color:#c6b5b9}.footer-grid>div:first-child p{max-width:360px;color:#c6b5b9}.footer-grid h2{font-size:.9rem;color:#fff;margin-bottom:16px;letter-spacing:.08em}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;align-items:flex-start}.footer-grid a:not(.brand){padding:4px 0;color:#c6b5b9;font-size:.92rem}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:20px;border-top:1px solid #4b4245;font-size:.85rem;color:#a99a9e}.footer-bottom p{margin:0}.footer-bottom a{color:#d7c8cb}.back-to-top{position:fixed;right:22px;bottom:22px;z-index:60;width:46px;height:46px;border:1px solid var(--line);border-radius:50%;background:#fff;box-shadow:var(--shadow-soft);cursor:pointer;color:var(--brand);font-weight:900}.back-to-top[hidden]{display:none}
@media (max-width:1100px){.primary-nav a{padding:9px 9px;font-size:.9rem}.brand-copy small{display:none}.home-hero__grid,.page-hero__grid{gap:42px}.article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:44px}.principle-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}.footer-grid>div:last-child{grid-column:2/4}}
@media (max-width:900px){.header-row{min-height:70px}.menu-toggle{display:inline-flex}.search-toggle{padding:9px 13px}.primary-nav{position:absolute;left:20px;right:20px;top:72px;display:none;flex-direction:column;align-items:stretch;padding:12px;background:var(--bg);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px 13px}.home-hero{padding-top:48px}.home-hero__grid,.page-hero__grid,.editorial-band__grid,.two-col-feature,.safety-strip{grid-template-columns:1fr}.home-hero__media{max-width:700px}.hero-facts{grid-template-columns:1fr}.section-heading--split{grid-template-columns:1fr;gap:0}.path-grid{grid-template-columns:1fr 1fr}.path-card--main{grid-column:1/3}.story-row{grid-template-columns:130px 1fr}.story-row img{width:130px}.story-row em{grid-column:2}.link-grid{grid-template-columns:repeat(2,1fr)}.article-layout,.search-page__layout,.faq-page-layout{grid-template-columns:1fr}.article-aside,.faq-intro{position:static}.article-aside{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid>div:last-child{grid-column:auto}}
@media (max-width:600px){.shell{width:min(calc(100% - 28px),var(--max))}body{font-size:15.5px}h1{font-size:clamp(2.35rem,14vw,3.5rem)}h2{font-size:clamp(1.65rem,8vw,2.35rem)}.site-header .brand img{width:42px;height:42px}.brand-copy strong{font-size:.96rem}.search-toggle{font-size:0;width:42px;height:42px;padding:0}.search-toggle::before{content:"⌕";font-size:1.4rem}.home-hero{padding:34px 0 44px}.home-hero__grid{gap:30px}.home-hero__media{padding:8px;border-radius:24px}.home-hero__media img{border-radius:18px}.hero-actions{align-items:stretch}.hero-actions .btn{width:100%}.hero-actions .text-link{width:100%;padding-top:5px}.home-paths,.content-section{padding:64px 0}.path-grid,.principle-grid,.link-grid,.article-aside{grid-template-columns:1fr}.path-card--main{grid-column:auto}.path-card{min-height:250px;padding:22px}.editorial-band{padding:64px 0}.editorial-band__grid{gap:34px}.story-row{grid-template-columns:1fr;gap:15px}.story-row img{width:100%;aspect-ratio:16/9}.story-row em{grid-column:auto}.two-col-feature,.safety-strip{gap:30px}.page-hero{padding:38px 0 46px}.page-hero__grid{gap:30px}.article-section{padding-bottom:34px;margin-bottom:34px}.step-list li{padding-left:62px}.search-modal{padding:7vh 12px 20px}.search-modal__panel{padding:24px 18px}.search-form__row{grid-template-columns:1fr}.search-form__row .btn{width:100%}.footer-grid{grid-template-columns:1fr;gap:26px}.footer-bottom{align-items:flex-start;flex-direction:column}.back-to-top{right:14px;bottom:14px}}
@media (max-width:380px){.header-row{gap:8px}.brand-copy{display:none}.menu-toggle{padding:9px 12px}.path-card,.link-card{border-radius:16px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}