:root{
    --main:#2563eb;
    --accent:#06b6d4;
    --bg:#f4f8ff;
    --ink:#0f1e3d;
    --card:#ffffff;
    --muted:#5b6b8c;
    --soft-shadow:0 18px 45px -18px rgba(37,99,235,.28), 0 6px 18px -10px rgba(15,30,61,.12);
    --r-lg:24px;
    --r-md:18px;
    --r-sm:14px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    background:var(--bg);
    color:var(--ink);
    font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    padding-top:76px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .brand-font{
    font-family:"Inter","PingFang SC","Hiragino Sans GB",sans-serif;
    font-weight:900;
    letter-spacing:.5px;
  }
  /* 滚动进度条 */
  #readbar{
    position:fixed;top:0;left:0;height:4px;width:0%;
    background:linear-gradient(90deg,var(--main),var(--accent));
    z-index:2000;border-radius:0 4px 4px 0;
    transition:width .08s linear;
  }
  /* 导航 */
  .site-nav{
    position:fixed;top:0;left:0;right:0;z-index:1500;
    background:rgba(255,255,255,.86);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(37,99,235,.10);
    box-shadow:0 10px 30px -22px rgba(15,30,61,.4);
  }
  .nav-inner{
    max-width:1280px;margin:0 auto;padding:12px 18px;
    display:flex;align-items:center;gap:18px;
  }
  .brand-logo{
    display:flex;align-items:center;gap:8px;
    font-size:1.42rem;font-weight:900;color:var(--ink);
    text-decoration:none;white-space:nowrap;
  }
  .brand-logo i{color:var(--main);font-size:1.3rem}
  .brand-logo:hover{color:var(--main)}
  .nav-links{
    display:flex;align-items:center;gap:4px;
    list-style:none;margin:0;padding:0;flex:1;flex-wrap:wrap;
  }
  .nav-links a{
    display:block;padding:8px 13px;border-radius:var(--r-sm);
    color:var(--ink);font-size:.94rem;font-weight:600;text-decoration:none;
    transition:.22s;
  }
  .nav-links a:hover{background:rgba(37,99,235,.10);color:var(--main)}
  .nav-links a.active{background:var(--main);color:#fff;box-shadow:0 10px 20px -12px rgba(37,99,235,.9)}
  .nav-toggle{
    display:none;border:none;background:rgba(37,99,235,.10);color:var(--main);
    width:42px;height:42px;border-radius:var(--r-sm);font-size:1.1rem;
  }
  @media(max-width:991px){
    .nav-toggle{display:block}
    .nav-links{
      display:none;width:100%;flex-direction:column;align-items:stretch;
      gap:2px;padding:10px 0 4px;
    }
    .nav-links.open{display:flex}
    .nav-inner{flex-wrap:wrap;gap:10px}
    .nav-links a{padding:11px 14px}
  }
  /* 通用区块 */
  .wrap{max-width:1280px;margin:0 auto;padding:0 18px}
  .sect{padding:54px 0 8px}
  .sect-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
  .sect-title{
    font-size:clamp(1.5rem,3.3vw,2.2rem);font-weight:900;margin:0;
    letter-spacing:.6px;line-height:1.2;
  }
  .sect-title .dot{color:var(--accent)}
  .sect-sub{color:var(--muted);font-size:.94rem;margin:6px 0 0}
  .sect-more{
    color:var(--main);font-weight:700;font-size:.9rem;text-decoration:none;
    background:rgba(37,99,235,.10);padding:8px 16px;border-radius:999px;white-space:nowrap;
  }
  .sect-more:hover{background:var(--main);color:#fff}
  /* 淡入上移 */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.8,.3,1)}
  .reveal.in{opacity:1;transform:translateY(0)}

  /* Hero */
  .hero{
    margin-top:8px;
    border-radius:var(--r-lg);
    background:
      radial-gradient(900px 400px at 88% -10%,rgba(6,182,212,.22),transparent 62%),
      radial-gradient(700px 380px at 4% 110%,rgba(37,99,235,.20),transparent 60%),
      #fff;
    box-shadow:var(--soft-shadow);
    padding:44px 32px 40px;
    position:relative;overflow:hidden;
  }
  .hero::after{
    content:"";position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;
    border-radius:50%;background:linear-gradient(135deg,rgba(6,182,212,.16),rgba(37,99,235,.10));
  }
  .hero .kicker{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(6,182,212,.13);color:#0b7285;
    font-size:.8rem;font-weight:800;letter-spacing:1px;
    padding:7px 15px;border-radius:999px;margin-bottom:16px;
  }
  .hero h1{
    font-size:clamp(1.75rem,4.6vw,3rem);font-weight:900;line-height:1.24;
    margin:0 0 14px;letter-spacing:.5px;min-height:1.3em;
  }
  .type-caret{display:inline-block;width:3px;height:1em;background:var(--accent);
    vertical-align:-2px;margin-left:4px;animation:blink 1s steps(1) infinite;border-radius:2px}
  @keyframes blink{50%{opacity:0}}
  .hero p{color:var(--muted);font-size:1rem;line-height:1.85;max-width:640px;margin-bottom:22px}
  .hero-stats{display:flex;gap:30px;flex-wrap:wrap;position:relative;z-index:1}
  .hero-stats .num{font-size:2rem;font-weight:900;color:var(--main);line-height:1}
  .hero-stats .num small{font-size:.85rem;font-weight:700;color:var(--accent);margin-left:3px}
  .hero-stats .lbl{font-size:.82rem;color:var(--muted);margin-top:6px;letter-spacing:.5px}
  .hero-tags{margin-top:26px;display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1}
  .hero-tags a{
    text-decoration:none;color:var(--main);font-weight:700;font-size:.86rem;
    background:#fff;border:1px solid rgba(37,99,235,.22);
    padding:8px 16px;border-radius:999px;box-shadow:0 8px 18px -14px rgba(37,99,235,.9);transition:.2s
  }
  .hero-tags a:hover{background:var(--main);color:#fff;border-color:var(--main);transform:translateY(-2px)}

  /* 榜单 */
  .rank-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  @media(max-width:767px){.rank-grid{grid-template-columns:1fr}}
  .rank-card{
    background:var(--card);border-radius:var(--r-md);padding:14px 16px;
    display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink);
    box-shadow:0 12px 30px -22px rgba(15,30,61,.5);
    border:1px solid rgba(37,99,235,.07);transition:.25s;
  }
  .rank-card:hover{transform:translateY(-3px);box-shadow:0 22px 40px -24px rgba(37,99,235,.75);border-color:rgba(37,99,235,.25)}
  .rank-no{
    flex:0 0 42px;height:42px;border-radius:14px;display:grid;place-items:center;
    font-weight:900;font-size:1.05rem;background:rgba(37,99,235,.10);color:var(--main);
  }
  .rank-card:nth-child(1) .rank-no{background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff}
  .rank-card:nth-child(2) .rank-no{background:rgba(6,182,212,.16);color:#0b7285}
  .rank-card:nth-child(3) .rank-no{background:rgba(37,99,235,.16);color:var(--main)}
  .rank-thumb{flex:0 0 46px;height:62px;border-radius:10px;overflow:hidden;background:#dbe8ff}
  .rank-thumb img{width:100%;height:100%;object-fit:cover;display:block}
  .rank-info{flex:1;min-width:0}
  .rank-info h3{font-size:.98rem;font-weight:800;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .rank-info span{font-size:.78rem;color:var(--muted)}
  .heat{
    font-size:.76rem;font-weight:800;color:#c2410c;background:#fff2e8;
    padding:4px 9px;border-radius:999px;white-space:nowrap;
  }

  /* 海报网格 */
  .poster-grid{display:grid;gap:20px;width:100%}
  .poster-grid.cols-6{grid-template-columns:repeat(6,minmax(0,1fr))}
  .poster-grid.cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}
  .poster-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
  @media(max-width:1199px){
    .poster-grid.cols-6{grid-template-columns:repeat(4,minmax(0,1fr))}
    .poster-grid.cols-5{grid-template-columns:repeat(4,minmax(0,1fr))}
  }
  @media(max-width:991px){
    .poster-grid.cols-6,.poster-grid.cols-5,.poster-grid.cols-4{grid-template-columns:repeat(3,minmax(0,1fr))}
  }
  @media(max-width:575px){
    .poster-grid.cols-6,.poster-grid.cols-5,.poster-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  }
  .p-card{
    background:var(--card);border-radius:var(--r-md);overflow:hidden;
    box-shadow:0 14px 34px -24px rgba(15,30,61,.55);
    border:1px solid rgba(37,99,235,.06);
    transition:transform .3s cubic-bezier(.2,.8,.3,1),box-shadow .3s;
    position:relative;cursor:pointer;
  }
  .p-card:hover{transform:translateY(-6px);box-shadow:0 26px 46px -26px rgba(37,99,235,.7)}
  .p-thumb{position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;background:#dbe8ff}
  .p-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s cubic-bezier(.2,.8,.3,1)}
  .p-card:hover .p-thumb img{transform:scale(1.08)}
  .p-badge{
    position:absolute;top:9px;left:9px;z-index:3;
    background:rgba(6,182,212,.94);color:#fff;font-size:.68rem;font-weight:800;
    padding:4px 9px;border-radius:9px;letter-spacing:.3px;
    box-shadow:0 6px 14px -8px rgba(6,182,212,1);
  }
  .p-score{
    position:absolute;top:9px;right:9px;z-index:3;
    background:rgba(255,255,255,.94);color:#b45309;font-size:.74rem;font-weight:900;
    padding:4px 8px;border-radius:9px;
  }
  .p-score i{color:#f59e0b;font-size:.68rem;margin-right:2px}
  .p-mask{
    position:absolute;inset:0;z-index:2;
    background:linear-gradient(to top,rgba(15,30,61,.92) 0%,rgba(15,30,61,.45) 46%,rgba(15,30,61,0) 78%);
    opacity:0;transition:opacity .35s ease;
    display:flex;flex-direction:column;justify-content:flex-end;padding:12px;
  }
  .p-card:hover .p-mask{opacity:1}
  .p-mask p{color:#e6efff;font-size:.76rem;line-height:1.6;margin:0}
  .p-mask .tagline{color:#9fe8f5;font-weight:800;font-size:.72rem;margin-bottom:4px}
  .p-meta{padding:11px 12px 13px}
  .p-meta h3{
    font-size:.9rem;font-weight:800;margin:0 0 5px;line-height:1.35;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .p-meta span{font-size:.75rem;color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

  /* 分类筛选 tab */
  .tab-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
  .tab-btn{
    border:1px solid rgba(37,99,235,.20);background:#fff;color:var(--ink);
    font-weight:700;font-size:.88rem;padding:9px 20px;border-radius:999px;cursor:pointer;
    transition:.22s;
  }
  .tab-btn:hover{border-color:var(--main);color:var(--main)}
  .tab-btn.on{background:var(--main);color:#fff;border-color:var(--main);box-shadow:0 12px 24px -16px rgba(37,99,235,1)}
  .tab-panel{display:none}
  .tab-panel.on{display:block;animation:fadeup .45s ease}
  @keyframes fadeup{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

  /* 时间线 */
  .timeline{position:relative;margin:8px 0 0;padding-left:30px}
  .timeline::before{
    content:"";position:absolute;left:9px;top:6px;bottom:6px;width:3px;border-radius:3px;
    background:linear-gradient(180deg,var(--main),var(--accent));
    opacity:.35;
  }
  .tl-item{position:relative;padding:0 0 26px 6px}
  .tl-item::before{
    content:"";position:absolute;left:-27px;top:5px;width:15px;height:15px;border-radius:50%;
    background:#fff;border:3px solid var(--main);box-shadow:0 0 0 5px rgba(37,99,235,.12);
  }
  .tl-item h4{font-size:1.02rem;font-weight:800;margin:0 0 7px}
  .tl-item .year{
    display:inline-block;background:rgba(6,182,212,.14);color:#0b7285;
    font-size:.72rem;font-weight:900;padding:3px 10px;border-radius:8px;margin-right:9px;vertical-align:2px;
  }
  .tl-item p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.8}

  /* 经典专区 双列 卡片 */
  .classic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  @media(max-width:991px){.classic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media(max-width:575px){.classic-grid{grid-template-columns:1fr}}
  .classic-card{
    background:#fff;border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;
    box-shadow:0 16px 40px -28px rgba(15,30,61,.6);border:1px solid rgba(37,99,235,.07);
    transition:.28s;
  }
  .classic-card:hover{transform:translateY(-5px);box-shadow:0 26px 50px -26px rgba(37,99,235,.7)}
  .classic-card .cc-img{aspect-ratio:16/9;overflow:hidden;background:#dbe8ff}
  .classic-card .cc-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s}
  .classic-card:hover .cc-img img{transform:scale(1.07)}
  .classic-card .cc-body{padding:16px 18px 18px}
  .classic-card h3{font-size:1.02rem;font-weight:800;margin:0 0 8px}
  .classic-card p{margin:0;color:var(--muted);font-size:.86rem;line-height:1.75}

  /* 预告专区 */
  .trailer-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  @media(max-width:991px){.trailer-row{grid-template-columns:1fr}}
  .trailer-card{
    background:#fff;border-radius:var(--r-lg);overflow:hidden;
    box-shadow:0 16px 40px -28px rgba(15,30,61,.55);border:1px solid rgba(37,99,235,.07);
    transition:.28s;
  }
  .trailer-card:hover{transform:translateY(-5px);box-shadow:0 26px 50px -26px rgba(37,99,235,.7)}
  .tv-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0f1e3d}
  .tv-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s;opacity:.92}
  .trailer-card:hover .tv-thumb img{transform:scale(1.06)}
  .play-dot{
    position:absolute;inset:0;display:grid;place-items:center;z-index:2;
  }
  .play-dot i{
    width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
    background:rgba(255,255,255,.92);color:var(--main);font-size:1.05rem;
    box-shadow:0 12px 26px -12px rgba(0,0,0,.6);
  }
  .tv-dur{
    position:absolute;right:10px;bottom:10px;z-index:3;
    background:rgba(15,30,61,.82);color:#fff;font-size:.72rem;font-weight:700;
    padding:3px 9px;border-radius:8px;
  }
  .trailer-card .tv-body{padding:15px 18px 18px}
  .trailer-card h3{font-size:1rem;font-weight:800;margin:0 0 6px}
  .trailer-card p{margin:0;color:var(--muted);font-size:.84rem;line-height:1.7}

  /* FAQ */
  .faq-item{
    background:#fff;border-radius:var(--r-md);padding:18px 22px;margin-bottom:14px;
    border:1px solid rgba(37,99,235,.08);box-shadow:0 12px 30px -26px rgba(15,30,61,.6);
  }
  .faq-item h4{font-size:.98rem;font-weight:800;margin:0 0 8px;display:flex;gap:9px;align-items:flex-start}
  .faq-item h4 i{color:var(--accent);margin-top:4px;font-size:.9rem}
  .faq-item p{margin:0 0 0 24px;color:var(--muted);font-size:.9rem;line-height:1.8}

  /* 友链 */
  .friend-box{
    background:#fff;border-radius:var(--r-lg);padding:26px 28px;
    box-shadow:0 16px 40px -30px rgba(15,30,61,.6);border:1px solid rgba(37,99,235,.08);
  }
  .friend-box h3{font-size:1.05rem;font-weight:900;margin:0 0 14px}
  .friend-links{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:.9rem;line-height:1.9}

  /* 页脚 */
  footer{
    margin-top:56px;background:linear-gradient(180deg,#ffffff,#eaf2ff);
    border-top:1px solid rgba(37,99,235,.10);padding:42px 0 26px;
  }
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px}
  @media(max-width:767px){.foot-grid{grid-template-columns:1fr;gap:24px}}
  .foot-brand{font-size:1.3rem;font-weight:900;margin:0 0 12px;display:flex;align-items:center;gap:8px}
  .foot-brand i{color:var(--main)}
  .foot-desc{color:var(--muted);font-size:.88rem;line-height:1.85;margin:0 0 14px;max-width:400px}
  .foot-col h5{font-size:.9rem;font-weight:900;margin:0 0 12px;letter-spacing:.5px}
  .foot-col a{display:block;color:var(--muted);font-size:.87rem;text-decoration:none;padding:4px 0;transition:.2s}
  .foot-col a:hover{color:var(--main);transform:translateX(3px)}
  .copy{
    margin-top:30px;padding-top:18px;border-top:1px solid rgba(37,99,235,.12);
    text-align:center;color:var(--muted);font-size:.82rem;line-height:1.9;
  }
  .to-top{
    position:fixed;right:18px;bottom:22px;z-index:1200;width:46px;height:46px;border-radius:50%;
    border:none;background:var(--main);color:#fff;font-size:1rem;display:none;place-items:center;
    box-shadow:0 14px 30px -14px rgba(37,99,235,1);
  }
  .to-top.show{display:grid}
  .to-top:hover{background:var(--accent)}

/* --- 子页面追加 --- */
.about-hero {padding:64px 0 24px;}
.about-lead {max-width:760px;font-size:17px;line-height:1.85;color:var(--muted);}
.about-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.about-card {background:var(--card);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--soft-shadow);border:1px solid rgba(37,99,235,.08);height:100%;}
.about-card h3 {font-size:18px;font-weight:700;color:var(--ink);margin:0 0 10px;line-height:1.5;}
.about-card p {font-size:14.5px;line-height:1.8;color:var(--muted);margin:0;}
.about-icon {width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-size:18px;margin-bottom:14px;}
.about-list {list-style:none;padding:0;margin:0;}
.about-list li {display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed rgba(37,99,235,.14);font-size:15px;line-height:1.75;color:var(--ink);}
.about-list li:last-child {border-bottom:none;}
.about-list i {color:var(--main);margin-top:4px;}
.about-list strong {color:var(--ink);}
.about-panel {background:var(--card);border-radius:var(--r-lg);padding:32px 30px;box-shadow:var(--soft-shadow);border:1px solid rgba(37,99,235,.08);}
.about-quote {border-left:4px solid var(--accent);padding:6px 0 6px 18px;color:var(--muted);font-size:15px;line-height:1.9;}
.about-facts {display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.about-fact {background:var(--card);border-radius:var(--r-sm);padding:20px 16px;text-align:center;box-shadow:var(--soft-shadow);border:1px solid rgba(37,99,235,.08);}
.about-fact b {display:block;font-size:26px;font-weight:800;color:var(--main);letter-spacing:-.5px;}
.about-fact span {font-size:13px;color:var(--muted);}
.about-cta {display:flex;flex-wrap:wrap;gap:14px;margin-top:8px;}
.about-btn {display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;transition:.25s;}
.about-btn.primary {background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;box-shadow:0 12px 26px -12px rgba(37,99,235,.7);}
.about-btn.primary:hover {transform:translateY(-2px);color:#fff;}
.about-btn.ghost {background:var(--card);color:var(--main);border:1px solid rgba(37,99,235,.25);}
.about-btn.ghost:hover {background:rgba(37,99,235,.06);color:var(--main);}
.about-grid {grid-template-columns:1fr 1fr;}
.about-facts {grid-template-columns:1fr 1fr;}
.about-hero {padding:40px 0 12px;}
.about-grid {grid-template-columns:1fr;}
.about-panel {padding:24px 20px;}
.about-lead {font-size:16px;}

/* --- 子页面追加 --- */
/* 本页专属少量样式：步骤卡、提示条 */
  .guide-hero {padding:56px 0 24px;position:relative;overflow:hidden}
.guide-hero::after {content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
    background:radial-gradient(circle at center,rgba(6,182,212,.16),transparent 70%);pointer-events:none}
.guide-kicker {display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
    color:var(--main);background:rgba(37,99,235,.09);border:1px solid rgba(37,99,235,.18);
    padding:7px 14px;border-radius:999px;margin-bottom:18px}
.guide-title {font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.2;color:var(--ink);margin:0 0 16px}
.guide-title em {font-style:normal;color:var(--main)}
.guide-lead {max-width:760px;font-size:16px;line-height:1.9;color:var(--muted);margin:0}
.step-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:32px}
.step-card {background:var(--card);border:1px solid rgba(37,99,235,.10);border-radius:var(--r-md);
    padding:26px 24px;box-shadow:var(--soft-shadow);position:relative;transition:transform .25s ease}
.step-card:hover {transform:translateY(-4px)}
.step-no {display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
    background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-weight:800;font-size:16px;margin-bottom:16px}
.step-card h3 {font-size:18px;font-weight:700;color:var(--ink);margin:0 0 10px}
.step-card p {font-size:14.5px;line-height:1.8;color:var(--muted);margin:0}
.tip-box {background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(6,182,212,.06));
    border:1px solid rgba(37,99,235,.14);border-left:4px solid var(--accent);
    border-radius:var(--r-sm);padding:18px 22px;margin:22px 0;color:var(--ink);font-size:14.5px;line-height:1.85}
.tip-box strong {color:var(--main)}
.faq-list {display:grid;gap:14px;margin-top:28px}
.faq-item summary {cursor:pointer;list-style:none;font-weight:600;color:var(--ink);font-size:15.5px;
    padding:16px 0;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker {display:none}
.faq-item summary::after {content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
    color:var(--main);transition:transform .25s ease}
.faq-item[open] summary::after {transform:rotate(180deg)}
.glossary {display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:26px}
.gl-item {background:rgba(37,99,235,.05);border:1px solid rgba(37,99,235,.12);border-radius:var(--r-sm);padding:18px 20px}
.gl-item b {display:block;color:var(--main);font-size:15px;margin-bottom:6px}
.gl-item span {font-size:13.5px;line-height:1.75;color:var(--muted)}
.cta-band {margin-top:44px;background:linear-gradient(135deg,var(--main),#1d4ed8 55%,var(--accent));
    border-radius:var(--r-lg);padding:38px 32px;color:#fff;display:flex;flex-wrap:wrap;gap:20px;
    align-items:center;justify-content:space-between;box-shadow:var(--soft-shadow)}
.cta-band h3 {margin:0;font-size:20px;font-weight:700}
.cta-band p {margin:6px 0 0;font-size:14px;opacity:.88;line-height:1.7}
.cta-btn {display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--main);
    font-weight:700;font-size:14.5px;padding:12px 24px;border-radius:999px;text-decoration:none;
    transition:transform .2s ease,box-shadow .2s ease;white-space:nowrap}
.cta-btn:hover {transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(0,0,0,.45);color:var(--main)}
.guide-hero {padding:38px 0 12px}
.cta-band {padding:28px 22px}

/* --- 子页面追加 --- */
/* 本页专属少量样式，沿用站点配色变量 */
  body {background:var(--bg);color:var(--ink);font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;}
.page-hero {padding:64px 0 34px;position:relative;overflow:hidden;}
.page-hero::before {content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
    background:radial-gradient(circle at 30% 30%,rgba(6,182,212,.22),rgba(37,99,235,.12) 55%,transparent 72%);pointer-events:none;}
.page-hero h1 {font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.28;letter-spacing:-.5px;margin:0 0 16px;}
.page-hero h1 em {font-style:normal;background:linear-gradient(90deg,var(--main),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.page-hero p.lead-txt {color:var(--muted);font-size:16px;line-height:1.9;max-width:760px;margin:0;}
.crumb {font-size:13px;color:var(--muted);margin-bottom:14px;}
.crumb a {color:var(--main);text-decoration:none;font-weight:600;}
.crumb a:hover {text-decoration:underline;}
.hero-tags span {background:var(--card);border:1px solid rgba(37,99,235,.14);color:var(--main);
    padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;box-shadow:0 6px 16px -12px rgba(37,99,235,.5);}
.panel {background:var(--card);border-radius:var(--r-lg);box-shadow:var(--soft-shadow);padding:30px 30px 26px;border:1px solid rgba(37,99,235,.08);}
.panel + .panel {margin-top:26px;}
.panel h2 {font-size:clamp(19px,2.2vw,24px);font-weight:800;margin:0 0 14px;letter-spacing:-.2px;}
.panel h2 i {color:var(--accent);margin-right:9px;}
.panel h3 {font-size:16px;font-weight:700;margin:22px 0 8px;color:var(--ink);}
.panel p {color:var(--muted);font-size:15px;line-height:1.95;margin:0 0 12px;}
.panel ul,.panel ol {color:var(--muted);font-size:15px;line-height:1.95;padding-left:20px;margin:0 0 12px;}
.panel li {margin-bottom:6px;}
.panel strong {color:var(--ink);font-weight:700;}
.formula {background:linear-gradient(135deg,rgba(37,99,235,.07),rgba(6,182,212,.07));
    border:1px dashed rgba(37,99,235,.3);border-radius:var(--r-md);padding:18px 20px;margin:14px 0 18px;
    font-size:14.5px;line-height:2;color:var(--ink);}
.formula b {color:var(--main);}
.rule-table {width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;margin:8px 0 6px;}
.rule-table th {background:rgba(37,99,235,.07);color:var(--ink);font-weight:700;text-align:left;padding:12px 14px;white-space:nowrap;}
.rule-table th:first-child {border-radius:var(--r-sm) 0 0 0;}
.rule-table th:last-child {border-radius:0 var(--r-sm) 0 0;}
.rule-table td {padding:12px 14px;color:var(--muted);border-bottom:1px solid rgba(15,30,61,.07);vertical-align:top;line-height:1.8;}
.rule-table tr:last-child td {border-bottom:none;}
.rule-table tbody tr:hover td {background:rgba(6,182,212,.05);}
.tag-pill {display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700;
    background:rgba(37,99,235,.1);color:var(--main);}
.tag-pill.warn {background:rgba(239,68,68,.1);color:#dc2626;}
.tag-pill.ok {background:rgba(6,182,212,.14);color:#0891b2;}
.faq-item:last-child {border-bottom:none;padding-bottom:0;}
.faq-item h3 {margin:0 0 8px;font-size:15.5px;display:flex;gap:9px;align-items:flex-start;}
.faq-item h3 span {color:var(--accent);font-weight:900;}
.cta-band h2 {font-size:20px;font-weight:800;margin:0 0 6px;color:#fff;}
.cta-band a.btn-go {background:#fff;color:var(--main);font-weight:800;padding:12px 24px;border-radius:999px;
    text-decoration:none;font-size:14.5px;white-space:nowrap;transition:.25s;}
.cta-band a.btn-go:hover {transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(0,0,0,.45);}
.panel {padding:22px 18px;}
.page-hero {padding:44px 0 24px;}
.rule-table {font-size:13.5px;}
.rule-table th,.rule-table td {padding:10px 10px;}

/* --- 子页面追加 --- */
.doc-wrap {max-width:900px;margin:0 auto;}
.doc-card {background:var(--card);border-radius:var(--r-lg);box-shadow:var(--soft-shadow);padding:clamp(22px,4vw,46px);}
.doc-card h2 {font-size:clamp(19px,2.4vw,24px);font-weight:800;color:var(--ink);margin:34px 0 12px;letter-spacing:-.01em;}
.doc-card h2:first-child {margin-top:0;}
.doc-card p {color:var(--muted);line-height:1.95;font-size:15.5px;margin-bottom:14px;}
.doc-card ul {color:var(--muted);line-height:1.95;font-size:15.5px;padding-left:20px;margin-bottom:16px;}
.doc-card li {margin-bottom:8px;}
.doc-card strong {color:var(--ink);font-weight:600;}
.doc-note {background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.10));border-left:4px solid var(--main);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:16px 20px;margin:18px 0 22px;}
.doc-note p {margin:0;color:var(--ink);font-size:15px;line-height:1.85;}
.doc-meta {display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;}
.doc-meta span {background:rgba(37,99,235,.08);color:var(--main);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;}
.doc-toc {background:rgba(37,99,235,.05);border-radius:var(--r-md);padding:18px 22px;margin:22px 0 30px;}
.doc-toc b {display:block;color:var(--ink);font-size:14px;margin-bottom:10px;}
.doc-toc a {display:inline-block;color:var(--main);font-size:14px;text-decoration:none;margin:4px 14px 4px 0;}
.doc-toc a:hover {text-decoration:underline;}
.doc-foot {border-top:1px dashed rgba(91,107,140,.3);margin-top:34px;padding-top:20px;font-size:14px;color:var(--muted);line-height:1.85;}

/* --- 子页面追加 --- */
/* 本页专属：站点地图卡片与信息块 */
  .map-hero {padding:64px 0 28px;text-align:center}
.map-hero h1 {font-size:clamp(26px,4.2vw,44px);font-weight:900;letter-spacing:-.5px;margin:0 0 14px}
.map-hero h1 span {color:var(--main)}
.map-hero p {max-width:760px;margin:0 auto;color:var(--muted);font-size:16px;line-height:1.85}
.map-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:8px}
.map-card {background:var(--card);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--soft-shadow);border:1px solid rgba(37,99,235,.08);transition:transform .25s ease,box-shadow .25s ease}
.map-card:hover {transform:translateY(-4px)}
.map-card h3 {font-size:18px;font-weight:800;margin:0 0 6px;display:flex;align-items:center;gap:10px}
.map-card h3 i {color:var(--main);font-size:16px}
.map-card .map-desc {color:var(--muted);font-size:13.5px;line-height:1.75;margin:0 0 16px}
.map-list {list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.map-list li a {display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:var(--r-sm);color:var(--ink);font-size:14.5px;font-weight:500;text-decoration:none;transition:background .2s ease,color .2s ease}
.map-list li a:hover {background:rgba(37,99,235,.08);color:var(--main)}
.map-list li a .tag {font-size:11.5px;font-weight:600;color:var(--muted);background:rgba(6,182,212,.12);color:#0891b2;padding:2px 9px;border-radius:999px;white-space:nowrap}
.map-list li a i.chev {font-size:11px;color:var(--muted);opacity:.6}
.map-note {margin-top:34px;background:linear-gradient(135deg,rgba(37,99,235,.07),rgba(6,182,212,.09));border-radius:var(--r-md);padding:22px 24px;border:1px solid rgba(37,99,235,.12)}
.map-note h3 {font-size:16px;font-weight:800;margin:0 0 8px}
.map-note p {margin:0;color:var(--ink);opacity:.85;font-size:14px;line-height:1.85}
.map-steps {display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:6px}
.map-step {background:var(--card);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--soft-shadow);border:1px solid rgba(37,99,235,.08)}
.map-step .no {display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-weight:800;font-size:15px;margin-bottom:12px}
.map-step h4 {font-size:15.5px;font-weight:800;margin:0 0 6px}
.map-step p {margin:0;color:var(--muted);font-size:13.5px;line-height:1.8}
.map-hero {padding:44px 0 18px}
.map-card {padding:22px 18px}