:root{
  --bg:#f4f7fb;
  --panel:#ffffff;
  --panel-soft:#f8fbff;
  --line:rgba(21,52,96,.12);
  --line-strong:rgba(21,52,96,.22);
  --ink:#122a4d;
  --ink-soft:#5b7091;
  --brand:#1f5fbf;
  --brand-deep:#164a96;
  --ice:#e8f1fd;
  --ice-2:#f0f6ff;
  --shadow:0 8px 26px rgba(24,62,120,.08);
  --shadow-lg:0 16px 48px rgba(24,62,120,.12);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 12px;
  transition:top .2s;
}
.skip-link:focus{top:0}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border-radius:999px;padding:12px 24px;font-size:.95rem;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s;
  font-family:inherit;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(31,95,191,.22)}
.btn-primary:hover{background:#2a6ad0;transform:translateY(-2px);box-shadow:0 10px 24px rgba(31,95,191,.28)}
.btn-outline{
  background:var(--panel);color:var(--ink);border-color:var(--line-strong);
}
.btn-outline:hover{background:var(--ice);border-color:var(--brand);color:var(--brand-deep)}
.text-link{color:var(--brand);font-weight:600;font-size:.92rem;display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"→";transition:transform .2s}
.text-link:hover::after{transform:translateX(4px)}
.text-link:hover{color:var(--brand-deep)}
.icon-button{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);background:var(--panel);
  color:var(--ink);font-size:1.1rem;cursor:pointer;
}
.icon-button:hover{background:var(--ice)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:.02em}
.brand img{height:34px;width:auto}
.brand span{color:var(--ink)}
.brand em{color:var(--brand);font-style:normal}
.site-nav{display:flex;gap:28px;font-size:.94rem}
.site-nav a{color:var(--ink-soft);font-weight:500;transition:color .18s}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--brand);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px}
.header-actions .btn{padding:10px 20px;font-size:.9rem}
.menu-btn{display:none}

/* 抽屉 */
.dialog{
  border:none;border-radius:var(--r-lg);padding:0;background:var(--panel);
  box-shadow:var(--shadow-lg);max-width:92vw;
}
.dialog::backdrop{background:rgba(12,32,66,.45);backdrop-filter:blur(2px)}
.drawer{width:340px;max-width:90vw;margin:0 0 0 auto;height:100vh;border-radius:0;border-left:1px solid var(--line)}
.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.dialog-head h2{font-size:1.05rem}
.drawer-nav{display:flex;flex-direction:column;padding:16px 12px;gap:4px}
.drawer-nav a{padding:12px 14px;border-radius:12px;color:var(--ink-soft);font-weight:500}
.drawer-nav a:hover{background:var(--ice);color:var(--ink)}
.drawer-nav .is-download{margin-top:10px;background:var(--brand);color:#fff;font-weight:600;text-align:center}
.drawer-nav .is-download:hover{background:#2a6ad0;color:#fff}
.drawer-caption{padding:18px 26px;color:var(--ink-soft);font-size:.82rem;border-top:1px solid var(--line);margin-top:auto}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:0 0 72px}
.hero-mosaic{
  display:grid;grid-template-columns:repeat(8,1fr);gap:10px;
  padding:10px;
}
.hero-tile{border-radius:var(--r-md);overflow:hidden;display:block;height:280px;background:var(--ice)}
.hero-tile img{width:100%;height:100%;object-fit:cover;filter:saturate(.72) brightness(1.06);transition:transform .5s ease}
.hero-tile:hover img{transform:scale(1.05)}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(244,247,251,.15) 0%,rgba(244,247,251,.72) 42%,var(--bg) 88%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:start;
  margin-top:-90px;
}
.hero-copy{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:26px;padding:38px;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.hero-kicker{color:var(--brand);font-size:.82rem;font-weight:700;letter-spacing:.16em;margin-bottom:14px}
.hero h1{font-size:clamp(1.9rem,3.6vw,2.85rem);margin-bottom:18px;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-copy p{color:var(--ink-soft);font-size:1rem;margin-bottom:26px;max-width:34em}
.hero-buttons{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:22px}
.hero-modes{display:flex;flex-wrap:wrap;gap:10px}
.hero-modes button{
  border:1px solid var(--line-strong);background:var(--panel);color:var(--ink-soft);
  padding:8px 16px;border-radius:999px;font-size:.86rem;cursor:pointer;font-family:inherit;
  transition:all .18s;
}
.hero-modes button:hover{border-color:var(--brand);color:var(--brand-deep)}
.hero-modes button.is-active{background:var(--ice);border-color:var(--brand);color:var(--brand-deep);font-weight:600}
.hero-side-note{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow);
}
.hero-side-note h3{font-size:.86rem;color:var(--brand);letter-spacing:.12em;margin-bottom:12px}
.hero-side-note strong{display:block;font-size:1.35rem;color:var(--ink);margin-bottom:10px}
.hero-side-note p{color:var(--ink-soft);font-size:.9rem}

/* 通用区块头 */
section{scroll-margin-top:86px}
.section-block{padding:64px 0}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-kicker{color:var(--brand);font-size:.78rem;font-weight:700;letter-spacing:.16em;margin-bottom:8px}
.section-heading h2{font-size:clamp(1.4rem,2.4vw,1.95rem);color:var(--ink)}
.heading-note{color:var(--ink-soft);font-size:.9rem}

/* 片单网格 */
.new-wall,.film-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.film-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s}
.film-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.film-card > a{display:block;height:100%}
.poster{position:relative;background:var(--ice);overflow:hidden;aspect-ratio:3/4}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.film-card:hover .poster img{transform:scale(1.04)}
.poster-meta{
  position:absolute;left:10px;top:10px;display:flex;gap:6px;align-items:center;
  background:rgba(255,255,255,.88);color:var(--brand);font-size:.72rem;font-weight:600;
  padding:5px 10px;border-radius:999px;border:1px solid var(--line);
}
.poster-action{
  position:absolute;right:10px;bottom:10px;
  background:rgba(255,255,255,.88);color:var(--ink);font-size:.72rem;font-weight:600;
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  opacity:.82;transition:all .2s;
}
.film-card:hover .poster-action{background:var(--brand);color:#fff;border-color:var(--brand);opacity:1}
.film-card h3{font-size:1rem;padding:14px 16px 6px;color:var(--ink)}
.film-card p{font-size:.84rem;color:var(--ink-soft);padding:0 16px 18px}
.sample-note{color:var(--ink-soft);font-size:.82rem;margin-top:22px;text-align:center}

/* 精选推荐 */
.featured-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.featured-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s,border-color .2s}
.featured-card:hover{border-color:var(--brand);box-shadow:var(--shadow-lg)}
.featured-card > a{display:grid;grid-template-columns:180px 1fr;gap:0;align-items:stretch}
.featured-art{background:var(--ice);overflow:hidden}
.featured-art img{width:100%;height:100%;object-fit:cover;min-height:200px}
.featured-copy{padding:20px 22px}
.featured-copy .tag{
  display:inline-block;background:var(--ice);color:var(--brand);font-size:.72rem;font-weight:700;
  padding:4px 10px;border-radius:999px;margin-bottom:10px;
}
.featured-copy h3{font-size:1.08rem;margin-bottom:8px}
.featured-copy p{font-size:.86rem;color:var(--ink-soft)}

/* 分类矩阵 */
.section-prose{max-width:760px;color:var(--ink-soft);font-size:.98rem;margin-bottom:32px}
.section-prose p+p{margin-top:14px}
.genre-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.genre-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--panel-soft);
  border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.genre-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow)}
.genre-mark{
  flex:none;width:46px;height:46px;border-radius:50%;background:var(--ice);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:700;font-size:.95rem;
}
.genre-card strong{display:block;color:var(--ink);margin-bottom:4px}
.genre-card small{color:var(--ink-soft);font-size:.82rem;line-height:1.55}

/* 内容实验室 */
.lab-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.lab-copy h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:16px}
.lab-copy > p{color:var(--ink-soft);margin-bottom:24px}
.format-notes{display:grid;gap:12px;margin:0 0 20px}
.format-notes > div{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 18px}
.format-notes dt{font-weight:700;color:var(--ink);margin-bottom:4px}
.format-notes dd{margin:0;color:var(--ink-soft);font-size:.88rem}
.content-footnote{font-size:.8rem;color:var(--ink-soft);margin-bottom:20px}
.lab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.lab-grid a{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--ice);display:block}
.lab-grid img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .4s}
.lab-grid a:hover img{transform:scale(1.05)}
.lab-grid span{
  position:absolute;left:0;right:0;bottom:0;padding:12px 14px;font-size:.86rem;font-weight:600;color:var(--ink);
  background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.94) 55%);
}

/* 排行榜 */
.ranking-panel{
  display:grid;grid-template-columns:1fr 1.2fr auto;gap:36px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--shadow);
}
.ranking-panel h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:12px}
.ranking-panel p{color:var(--ink-soft);font-size:.92rem}
.mini-ranking{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.mini-ranking li a{
  display:flex;align-items:center;gap:14px;background:var(--panel-soft);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 16px;transition:border-color .2s,background .2s;
}
.mini-ranking li a:hover{border-color:var(--brand);background:var(--ice-2)}
.mini-ranking .rank-no{color:var(--brand);font-weight:800;font-size:1.05rem;min-width:22px}
.mini-ranking .rank-body{flex:1}
.mini-ranking strong{display:block;font-size:.94rem;color:var(--ink)}
.mini-ranking small{color:var(--ink-soft);font-size:.78rem}
.mini-ranking .arrow{color:var(--brand);font-weight:700}

/* 追更清单 */
.watchlist-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.watchlist-inner h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:16px}
.watchlist-inner > div > p{color:var(--ink-soft);margin-bottom:14px}
.watchlist-card{display:grid;gap:12px}
.watchlist-card > div{
  display:flex;gap:14px;align-items:flex-start;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px;
}
.watchlist-dot{flex:none;width:10px;height:10px;border-radius:50%;background:var(--brand);margin-top:8px}
.watchlist-card strong{display:block;color:var(--ink);margin-bottom:3px;font-size:.95rem}
.watchlist-card small{color:var(--ink-soft);font-size:.83rem;line-height:1.6}

/* FAQ */
.faq-inner{display:grid;grid-template-columns:1fr 1.35fr;gap:48px;align-items:start}
.faq-intro h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:16px}
.faq-intro p{color:var(--ink-soft);margin-bottom:18px}
.faq-list{display:grid;gap:12px}
.faq-list details{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);padding:0 18px;
  transition:border-color .2s;
}
.faq-list details[open],.faq-list details:hover{border-color:var(--brand)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;font-weight:600;color:var(--ink);font-size:.95rem;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{color:var(--brand);font-size:1.2rem;transition:transform .2s;line-height:1}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list details p{padding:0 0 16px;color:var(--ink-soft);font-size:.88rem}

/* 下载区 */
.download-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  background:linear-gradient(150deg,#ffffff 0%,#eef5ff 100%);
  border:1px solid var(--line);border-radius:26px;padding:44px;box-shadow:var(--shadow);
}
.download-copy h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:14px}
.download-copy p{color:var(--ink-soft)}
.download-options{display:grid;gap:14px}
.platform-button{
  display:flex;align-items:center;gap:16px;background:var(--panel);border:1px solid var(--line-strong);
  border-radius:var(--r-md);padding:16px 20px;transition:border-color .2s,background .2s;
}
.platform-button:hover{border-color:var(--brand);background:var(--ice-2)}
.platform-button .p-icon{
  flex:none;width:44px;height:44px;border-radius:12px;background:var(--ice);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;
}
.platform-button .p-body{flex:1}
.platform-button strong{display:block;color:var(--ink);font-size:.98rem}
.platform-button small{color:var(--ink-soft);font-size:.82rem}
.platform-button .p-arrow{color:var(--brand);font-weight:700}
.download-tip{font-size:.8rem;color:var(--ink-soft);margin-top:4px}

/* 页脚 */
.site-footer{background:#eef3fa;border-top:1px solid var(--line);padding:44px 0 20px;margin-top:56px}
.footer-main{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:28px}
.footer-brand{max-width:340px}
.footer-brand .brand{margin-bottom:12px}
.footer-brand p{color:var(--ink-soft);font-size:.85rem}
.footer-nav{display:flex;gap:40px;flex-wrap:wrap}
.footer-nav h4{font-size:.82rem;color:var(--ink);margin-bottom:12px;letter-spacing:.06em}
.footer-nav ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-nav a{color:var(--ink-soft);font-size:.85rem}
.footer-nav a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:16px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.78rem;color:var(--ink-soft);
}
.footer-bottom a{color:var(--ink-soft)}
.footer-bottom a:hover{color:var(--brand)}
.footer-update{font-size:.78rem;color:var(--ink-soft)}

/* 移动底部条 */
.mobile-download{
  display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:70;
  background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);
  padding:10px 12px;align-items:center;gap:12px;
}
.mobile-download img{width:38px;height:38px;border-radius:10px;object-fit:cover;background:var(--ice)}
.mobile-download .md-text{flex:1;min-width:0}
.mobile-download strong{display:block;font-size:.85rem;color:var(--ink)}
.mobile-download small{color:var(--ink-soft);font-size:.74rem}
.mobile-download .btn{padding:9px 18px;font-size:.84rem}

/* 复制弹窗 */
.copy-dialog{max-width:420px;padding:24px}
.copy-dialog p{color:var(--ink-soft);font-size:.88rem;margin:14px 0}
.copy-url{
  background:var(--ice);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.8rem;color:var(--ink);word-break:break-all;margin-bottom:16px;
}
.copy-dialog .btn{width:100%}
.copy-status{color:var(--brand);font-size:.82rem;margin-top:10px;min-height:1.2em}

/* 响应式 */
@media(max-width:1024px){
  .site-nav{display:none}
  .menu-btn{display:inline-flex}
  .hero-inner{grid-template-columns:1fr;margin-top:-60px;gap:26px}
  .hero-copy{padding:30px}
  .hero-mosaic{grid-template-columns:repeat(4,1fr)}
  .hero-tile{height:200px}
  .hero-tile:nth-child(n+5){display:none}
  .new-wall,.film-grid{grid-template-columns:repeat(3,1fr)}
  .featured-grid{grid-template-columns:1fr}
  .genre-grid{grid-template-columns:repeat(2,1fr)}
  .lab-inner,.watchlist-inner,.faq-inner,.download-inner{grid-template-columns:1fr;gap:32px}
  .ranking-panel{grid-template-columns:1fr;gap:24px}
  .download-inner{padding:32px}
}
@media(max-width:768px){
  .container{padding:0 16px}
  .header-inner{height:62px}
  .brand{font-size:1.02rem}
  .brand img{height:28px}
  .header-actions .btn{display:none}
  .hero{padding-bottom:48px}
  .hero-mosaic{grid-template-columns:repeat(2,1fr);gap:8px;padding:8px}
  .hero-tile{height:150px}
  .hero-tile:nth-child(n+3){display:none}
  .hero-inner{margin-top:-40px}
  .hero-copy{padding:22px;border-radius:20px}
  .hero-buttons .btn{width:100%}
  .hero-buttons{flex-direction:column;align-items:stretch}
  .section-block{padding:44px 0}
  .new-wall,.film-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .film-card h3{font-size:.9rem;padding:11px 12px 4px}
  .film-card p{font-size:.78rem;padding:0 12px 14px}
  .poster-meta{font-size:.66rem;padding:4px 8px}
  .poster-action{font-size:.66rem;padding:4px 9px}
  .genre-grid{grid-template-columns:1fr}
  .lab-grid{grid-template-columns:repeat(2,1fr)}
  .featured-card > a{grid-template-columns:120px 1fr}
  .download-inner{padding:24px;border-radius:20px}
  .mobile-download{display:flex}
  body{padding-bottom:86px}
  .footer-main{flex-direction:column;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .ranking-panel{padding:24px}
  .section-heading{margin-bottom:22px}
  .copy-dialog{margin:0 12px}
  .drawer{width:100%;max-width:100%}
}