/* 每日大赛内容站基础样式 */
:root{
  --brand:#B9473F;--brand-dark:#91372F;--amber:#D89A45;--accent:#E06A3B;
  --ink:#1E2026;--text:#2B2D31;--muted:#6F706F;--paper:#F7F4EF;--soft:#EEE9E2;
  --line:#DDD5CB;--white:#fff;--shadow:0 18px 50px rgba(30,32,38,.08);--radius:24px;
  --max:1180px;--serif:Georgia,"Noto Serif SC","Songti SC",serif;--sans:Arial,"Microsoft YaHei","PingFang SC",sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);line-height:1.75;-webkit-font-smoothing:antialiased}body.modal-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}p{margin:0 0 1em}h1,h2,h3{color:var(--ink);line-height:1.24;margin:0 0 .65em}h1{font-size:clamp(2.35rem,5vw,4.7rem);letter-spacing:-.04em}h2{font-size:clamp(1.7rem,3.1vw,2.8rem);letter-spacing:-.025em}h3{font-size:1.16rem}ul{padding-left:1.25rem}.skip-link{position:absolute;left:16px;top:-80px;background:var(--ink);color:white;padding:10px 16px;z-index:999;border-radius:8px}.skip-link:focus{top:16px}
.site-header{position:sticky;top:0;z-index:90;background:rgba(247,244,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(221,213,203,.8)}.header-shell{max-width:1280px;margin:auto;padding:12px 24px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:11px;min-width:max-content}.brand img{width:42px;height:42px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:1.03rem}.brand small{font-size:.72rem;color:var(--muted);margin-top:4px}.primary-nav{display:flex;align-items:center;gap:2px;margin-left:auto}.primary-nav a{padding:10px 11px;border-radius:10px;color:#47494d;font-size:.9rem;white-space:nowrap}.primary-nav a:hover,.primary-nav a.active{background:var(--soft);color:var(--brand)}.search-open,.menu-toggle{border:1px solid var(--line);background:transparent;border-radius:12px;padding:9px 13px;color:var(--ink)}.menu-toggle{display:none}.search-open:hover,.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.breadcrumb{max-width:var(--max);margin:20px auto 0;padding:0 24px;display:flex;gap:10px;align-items:center;font-size:.82rem;color:var(--muted);overflow:auto;white-space:nowrap}.breadcrumb a:hover{color:var(--brand)}
.site-main{min-height:60vh}.section{max-width:var(--max);margin:0 auto;padding:76px 24px}.section.narrow{max-width:900px}.narrow-wide{max-width:1000px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}.eyebrow:before{content:"";width:22px;height:2px;background:currentColor}.section-heading{max-width:760px;margin-bottom:34px}.section-heading p{color:var(--muted);font-size:1.04rem}.section-heading.light h2,.section-heading.light p{color:white}.section-heading.light .eyebrow{color:#F2B870}.prose{font-size:1.04rem}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 18px;font-weight:700;border:1px solid transparent;transition:.2s ease}.button.primary{background:var(--brand);color:white}.button.primary:hover{background:var(--brand-dark);transform:translateY(-1px)}.button.secondary{border-color:var(--line);background:rgba(255,255,255,.45)}.button.secondary:hover{border-color:var(--brand);color:var(--brand)}.button.amber{background:var(--amber);color:#211b15}.text-link{color:var(--brand);font-weight:700}.text-link:hover{text-decoration:underline}.center-action{text-align:center;margin-top:30px}.tag{display:inline-flex;background:var(--soft);color:var(--brand);border-radius:999px;padding:5px 9px;font-size:.73rem;font-weight:700;margin-bottom:9px}.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0}.tag-row span{font-size:.72rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 8px}
.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-top:86px}.hero-copy>p{font-size:1.13rem;color:#515257;max-width:690px}.hero-media{margin:0;position:relative}.hero-media:before{content:"";position:absolute;inset:26px -22px -22px 26px;background:var(--soft);border-radius:28px;z-index:-1}.hero-media img{aspect-ratio:4/3;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.hero-media figcaption{margin-top:12px;color:var(--muted);font-size:.82rem}.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0 0}.hero-facts div{border-top:1px solid var(--line);padding-top:12px}.hero-facts dt{font-size:.72rem;color:var(--muted)}.hero-facts dd{margin:3px 0 0;font-weight:700;font-size:.9rem}.intro-band{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.topic-card{background:white;border:1px solid rgba(221,213,203,.8);border-radius:20px;overflow:hidden;transition:.2s ease;min-height:100%}.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d1c7bb}.topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.topic-card div{padding:19px}.topic-card h3{margin-bottom:7px}.topic-card p{font-size:.9rem;color:var(--muted)}.topic-card span{font-size:.82rem;font-weight:700;color:var(--brand)}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.feature-split.reverse figure{order:2}.feature-split figure{margin:0}.feature-split img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}.feature-split p{font-size:1.02rem}.check-list{list-style:none;padding:0;margin:22px 0}.check-list li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700}
.dark-panel{max-width:calc(var(--max) - 48px);background:var(--ink);border-radius:30px;padding:58px;color:#e9e5df}.dark-panel h2,.dark-panel h3{color:white}.dark-panel .button{margin-top:28px}.steps{display:grid;gap:18px}.steps.three{grid-template-columns:repeat(3,1fr)}.steps.four{grid-template-columns:repeat(4,1fr)}.steps.five{grid-template-columns:repeat(5,1fr)}.steps article{padding:22px;border:1px solid rgba(111,112,111,.25);border-radius:18px;background:rgba(255,255,255,.38)}.dark-panel .steps article{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12)}.steps article>span{font-family:var(--serif);font-size:1.75rem;color:var(--accent);display:block;margin-bottom:10px}.steps article p{font-size:.88rem;color:var(--muted);margin:0}.dark-panel .steps article p{color:#bbb8b2}
.editorial-layout{position:relative}.lead-story{display:grid;grid-template-columns:1.1fr .9fr;gap:0;background:white;border-radius:24px;overflow:hidden;border:1px solid var(--line)}.lead-story img{width:100%;height:100%;object-fit:cover;min-height:330px}.lead-story>div{padding:34px}.lead-story p{color:var(--muted)}.story-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:22px}.story-list article{padding:22px;border-top:1px solid var(--line)}.story-list h3{margin-bottom:6px}.story-list p{color:var(--muted);font-size:.91rem}.ai-strip{display:grid;grid-template-columns:1fr .75fr;align-items:center;gap:48px;background:var(--soft);max-width:none;padding-left:max(24px,calc((100vw - var(--max))/2 + 24px));padding-right:max(24px,calc((100vw - var(--max))/2 + 24px))}.ai-strip img{border-radius:22px;aspect-ratio:4/3;object-fit:cover}.visual-banner{position:relative;max-width:calc(var(--max) - 48px);padding:0;min-height:380px;overflow:hidden;border-radius:30px}.visual-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.58)}.visual-banner>div{position:relative;z-index:1;color:white;max-width:670px;padding:70px}.visual-banner h2{color:white}.visual-banner .eyebrow{color:#F2B870}.faq-preview .faq-list{max-width:900px}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.55);overflow:hidden}.faq-list summary{list-style:none;cursor:pointer;padding:17px 52px 17px 18px;font-weight:700;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:18px;top:13px;font-size:1.45rem;color:var(--brand)}.faq-list details[open] summary:after{content:"−"}.faq-list p{padding:0 18px 18px;color:var(--muted);margin:0}.faq-list.large summary{font-size:1.04rem;padding:20px 56px 20px 20px}.about-band{display:flex;justify-content:space-between;gap:42px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.about-band>div:first-child{max-width:720px}
.page-hero{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:54px;padding-top:72px}.page-hero.compact{grid-template-columns:1.18fr .82fr}.page-hero>div>p{font-size:1.08rem;color:var(--muted)}.page-hero img{border-radius:24px;aspect-ratio:4/3;object-fit:cover}.page-intro{max-width:900px;margin-left:max(0px,calc((100vw - var(--max))/2));padding-bottom:40px}.page-intro p{font-size:1.08rem;color:var(--muted)}.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.compare-grid.three{grid-template-columns:repeat(3,1fr)}.compare-grid article{background:white;border:1px solid var(--line);border-radius:20px;padding:26px}.compare-grid article p,.compare-grid li{color:var(--muted)}.address-card{background:white;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow);padding:44px}.address-card h2{font-family:monospace;font-size:clamp(1.8rem,4vw,3rem);word-break:break-all}.address-card dl{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0 0}.address-card dl div{border-top:1px solid var(--line);padding-top:12px}.address-card dt{color:var(--muted);font-size:.8rem}.address-card dd{margin:3px 0 0;font-weight:700;word-break:break-word}.note-panel{display:flex;gap:45px;align-items:center;justify-content:space-between;background:#F1E7DB;border-radius:24px;padding:42px}.note-panel>div{max-width:760px}.note-panel .button{flex:none}.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.link-cards>a{display:block;border:1px solid var(--line);border-radius:18px;padding:22px;background:rgba(255,255,255,.5);transition:.2s}.link-cards>a:hover{transform:translateY(-3px);border-color:var(--brand)}.link-cards p{color:var(--muted);font-size:.9rem;margin:0}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.article-card{border:1px solid var(--line);background:white;border-radius:22px;overflow:hidden}.article-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.article-card>div{padding:24px}.article-card h2{font-size:1.45rem}.article-card p{color:var(--muted)}
.article-page{padding-top:58px}.article-header{max-width:850px}.article-header .lead{font-size:1.12rem;color:var(--muted)}.article-meta{display:flex;flex-wrap:wrap;gap:12px 24px;color:var(--muted);font-size:.82rem;border-top:1px solid var(--line);padding-top:14px;margin-top:24px}.article-cover{margin:38px 0}.article-cover img{width:100%;border-radius:24px;aspect-ratio:16/9;object-fit:cover}.article-body{max-width:800px;margin:auto;font-family:var(--serif);font-size:1.08rem}.article-body section{margin:0 0 42px}.article-body h2{font-family:var(--sans);font-size:1.65rem}.article-body p{line-height:2}.article-note{max-width:800px;margin:48px auto;background:var(--soft);border-left:4px solid var(--brand);padding:24px 28px;border-radius:0 16px 16px 0}.article-note h2{font-size:1.2rem}.article-note p{margin:0}.article-footer{border-top:1px solid var(--line);padding-top:42px}.article-footer>h2{font-size:1.8rem}.timeline{max-width:900px}.timeline article{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:0 0 30px;position:relative}.timeline article:before{content:"";position:absolute;left:28px;top:44px;bottom:0;width:1px;background:var(--line)}.timeline article:last-child:before{display:none}.timeline article>span{width:56px;height:56px;display:grid;place-items:center;background:var(--ink);color:white;border-radius:50%;font-family:var(--serif)}.timeline h3{margin:7px 0 5px}.timeline p{color:var(--muted)}.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.guide-grid article{background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;padding-bottom:24px}.guide-grid img{width:100%;aspect-ratio:16/9;object-fit:cover}.guide-grid h2,.guide-grid p,.guide-grid .text-link{margin-left:24px;margin-right:24px}.guide-grid h2{font-size:1.45rem;margin-top:20px}.guide-grid p{color:var(--muted)}.prose-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.prose-grid article{padding:28px;border-top:2px solid var(--ink);background:rgba(255,255,255,.35)}.prose-grid p{color:var(--muted)}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px}.contact-layout article{border:1px solid var(--line);border-radius:20px;padding:28px;background:white}.inline-search{margin-top:28px;max-width:700px}.inline-search label,.search-form label{display:block;font-size:.83rem;font-weight:700;margin-bottom:7px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);background:white;border-radius:12px;padding:12px 14px;outline:none}.search-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(185,71,63,.1)}.search-list{grid-template-columns:1fr}.search-list article{padding:24px;background:white;border:1px solid var(--line);border-radius:18px}.empty-state{padding:50px;background:white;border:1px solid var(--line);border-radius:22px;text-align:center}.notice-card{padding:54px;background:white;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}
.search-modal[hidden]{display:none !important}.search-modal{position:fixed;inset:0;z-index:120;background:rgba(20,21,25,.72);display:grid;place-items:center;padding:20px}.search-dialog{width:min(680px,100%);background:var(--paper);border-radius:24px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.3);position:relative}.search-close{position:absolute;right:16px;top:14px;width:38px;height:38px;border:0;background:var(--soft);border-radius:50%;font-size:1.45rem}.search-dialog p{color:var(--muted)}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:0;border-radius:50%;background:var(--brand);color:white;z-index:80;box-shadow:var(--shadow)}
.site-footer{background:var(--ink);color:#c8c5bf;margin-top:70px}.footer-grid{max-width:var(--max);margin:auto;padding:56px 24px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}.footer-grid h2{font-size:.96rem;color:white}.footer-grid a{display:block;padding:4px 0;font-size:.87rem}.footer-grid a:hover{color:#F2B870}.footer-grid p{font-size:.88rem;max-width:360px}.footer-brand{font-size:1.25rem;color:white;margin-bottom:12px}.footer-bottom{max-width:var(--max);margin:auto;border-top:1px solid rgba(255,255,255,.1);padding:18px 24px 28px;display:flex;justify-content:space-between;gap:20px;font-size:.78rem}.footer-bottom a:hover{color:#F2B870}
@media(max-width:1100px){.primary-nav{gap:0}.primary-nav a{padding:9px 8px;font-size:.82rem}.steps.five{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.menu-toggle{display:inline-flex;margin-left:auto}.primary-nav{position:absolute;left:16px;right:16px;top:74px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:10px;display:none;flex-direction:column;align-items:stretch}.primary-nav.open{display:flex}.primary-nav a{padding:11px 12px}.search-open{margin-left:0}.hero,.page-hero,.feature-split,.ai-strip,.intro-band{grid-template-columns:1fr}.hero{gap:38px}.hero-media{max-width:720px}.feature-split.reverse figure{order:0}.dark-panel{margin-left:24px;margin-right:24px}.steps.four{grid-template-columns:repeat(2,1fr)}.lead-story{grid-template-columns:1fr}.lead-story img{max-height:420px}.compare-grid.three{grid-template-columns:1fr}.about-band,.note-panel{flex-direction:column;align-items:flex-start}.article-grid{grid-template-columns:1fr}.ai-strip{padding-top:62px;padding-bottom:62px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid>div:last-child{grid-column:auto}}
@media(max-width:700px){.section{padding:56px 18px}.header-shell{padding:10px 16px;gap:9px}.brand small{display:none}.search-open{font-size:.8rem;padding:8px 10px}.menu-toggle{font-size:.8rem;padding:8px 10px}.breadcrumb{padding:0 18px}.hero{padding-top:58px}.hero-facts{grid-template-columns:1fr}.topic-grid,.story-list,.steps.three,.steps.five,.compare-grid,.guide-grid,.prose-grid,.contact-layout,.link-cards{grid-template-columns:1fr}.steps.four{grid-template-columns:1fr}.dark-panel{margin:0 18px;padding:38px 24px}.visual-banner{margin:0 18px;min-height:420px}.visual-banner>div{padding:44px 26px}.address-card{margin-left:18px;margin-right:18px;padding:28px 22px}.address-card dl{grid-template-columns:1fr}.note-panel{margin-left:18px;margin-right:18px;padding:28px 22px}.page-intro{margin-left:0}.search-row{flex-direction:column}.footer-grid{grid-template-columns:1fr;padding:46px 18px}.footer-bottom{padding:18px;flex-direction:column}.timeline article{grid-template-columns:54px 1fr;gap:14px}.timeline article>span{width:44px;height:44px}.timeline article:before{left:21px;top:38px}.article-body{font-size:1.02rem}.article-header .lead{font-size:1rem}.search-dialog{padding:28px 20px}.notice-card{padding:34px 24px}}
@media(max-width:430px){h1{font-size:2.25rem}.section{padding-left:16px;padding-right:16px}.header-shell{padding-left:12px;padding-right:12px}.brand img{width:36px;height:36px}.brand strong{font-size:.92rem}.button{width:100%}.button-row{width:100%}.dark-panel,.visual-banner,.address-card,.note-panel{margin-left:12px;margin-right:12px}.topic-card div,.article-card>div{padding:18px}.hero-media:before{display:none}.back-top{right:14px;bottom:14px}.article-meta{display:grid}.article-cover{margin:28px 0}.article-body p{line-height:1.9}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.topic-card,.link-cards>a{transition:none}}