:root{
    --main:#2563eb;
    --accent:#06b6d4;
    --bg:#f4f8ff;
    --text:#0f1e3d;
    --ink:#0f1e3d;
    --line:#0f1e3d;
    --hard-shadow:6px 6px 0 0 #0f1e3d;
    --hard-shadow-sm:3px 3px 0 0 #0f1e3d;
    --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
    font-weight:400;
    margin:0;
    padding:0;
    overflow-x:hidden;
    background-image:
      radial-gradient(circle at 12% 8%, rgba(37,99,235,.10), transparent 42%),
      radial-gradient(circle at 88% 4%, rgba(6,182,212,.12), transparent 40%),
      linear-gradient(rgba(15,30,61,.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(15,30,61,.035) 1px, transparent 1px);
    background-size:auto,auto,34px 34px,34px 34px;
  }
  h1,h2,h3,h4,h5{font-weight:900;letter-spacing:-.02em;color:var(--ink);}
  a{text-decoration:none;color:var(--main);}
  a:hover{color:var(--accent);}
  .mono{font-family:var(--mono);font-weight:700;}

  /* progress bar */
  #progressBar{
    position:fixed;top:0;left:0;height:4px;width:0%;
    background:linear-gradient(90deg,var(--main),var(--accent));
    z-index:9999;transition:width .12s linear;
  }

  /* nav */
  .topnav{
    background:#fff;
    border-bottom:3px solid var(--ink);
    position:sticky;top:0;z-index:1030;
  }
  .brand-box{
    display:inline-flex;align-items:center;gap:8px;
    font-weight:900;font-size:1.28rem;color:var(--ink);
    border:3px solid var(--ink);
    padding:4px 12px;
    box-shadow:var(--hard-shadow-sm);
    background:linear-gradient(135deg,#fff, #e9f1ff);
  }
  .brand-box i{color:var(--main);}
  .topnav .nav-link{
    color:var(--text);font-weight:700;font-size:.94rem;
    padding:6px 12px !important;margin:0 1px;
    border:2px solid transparent;
  }
  .topnav .nav-link:hover{
    color:var(--main);border:2px solid var(--ink);box-shadow:var(--hard-shadow-sm);
    background:#fff;
  }
  .navbar-toggler{border:3px solid var(--ink);border-radius:0;padding:4px 8px;}
  .navbar-toggler:focus{box-shadow:none;}

  /* hero */
  .hero{
    padding:70px 0 54px;
    position:relative;
    overflow:hidden;
    border-bottom:3px solid var(--ink);
  }
  .hero-title{
    font-size:clamp(2.2rem,6vw,4.3rem);
    line-height:1.04;
    font-weight:900;
    background:linear-gradient(100deg,#2563eb 0%,#06b6d4 55%,#2563eb 100%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
  }
  .hero-sub{font-size:1.02rem;color:#3a4a68;max-width:620px;margin-top:18px;line-height:1.8;}
  .float-deco{
    position:absolute;border:3px solid var(--ink);background:#fff;
    box-shadow:var(--hard-shadow-sm);font-weight:900;
    font-family:var(--mono);font-size:.8rem;padding:6px 12px;
    animation:floaty 5.5s ease-in-out infinite;
  }
  .fd1{top:60px;right:8%;color:var(--main);}
  .fd2{bottom:70px;right:22%;color:var(--accent);animation-delay:1.2s;}
  .fd3{top:180px;right:34%;color:var(--ink);animation-delay:2.3s;}
  @keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}

  .stat-strip{
    display:grid;grid-template-columns:repeat(3,1fr);
    border:3px solid var(--ink);background:#fff;
    box-shadow:var(--hard-shadow);margin-top:34px;
  }
  .stat-cell{padding:18px 14px;border-right:3px solid var(--ink);text-align:center;}
  .stat-cell:last-child{border-right:none;}
  .stat-num{
    font-family:var(--mono);font-weight:700;
    font-size:clamp(1.5rem,4vw,2.3rem);color:var(--main);line-height:1;
  }
  .stat-cell:nth-child(2) .stat-num{color:var(--accent);}
  .stat-label{font-size:.8rem;color:#4a5b7c;margin-top:8px;font-weight:600;letter-spacing:.05em;}

  /* section */
  .sec{padding:56px 0;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
  .sec-title{
    font-size:clamp(1.5rem,3.6vw,2.15rem);margin:0;
    display:inline-flex;align-items:center;gap:12px;
  }
  .sec-title .bar{display:inline-block;width:12px;height:34px;background:linear-gradient(180deg,var(--main),var(--accent));border:2px solid var(--ink);}
  .sec-desc{color:#4a5b7c;font-size:.9rem;margin:6px 0 0;font-weight:500;}
  .more-link{
    font-weight:800;font-size:.86rem;border:3px solid var(--ink);
    padding:6px 14px;background:#fff;box-shadow:var(--hard-shadow-sm);color:var(--ink);
    white-space:nowrap;
  }
  .more-link:hover{background:var(--main);color:#fff;}

  /* poster grid */
  .poster-grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:16px;
  }
  @media (max-width:1200px){.poster-grid{grid-template-columns:repeat(4,1fr);}}
  @media (max-width:768px){.poster-grid{grid-template-columns:repeat(3,1fr);gap:10px;}}
  @media (max-width:480px){.poster-grid{grid-template-columns:repeat(2,1fr);gap:9px;}}

  .poster-card{
    background:#fff;border:3px solid var(--ink);
    box-shadow:var(--hard-shadow-sm);
    position:relative;overflow:hidden;
    width:100%;
    transition:transform .18s ease, box-shadow .18s ease;
  }
  .poster-card:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 0 var(--ink);}
  .poster-thumb{
    position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;background:#dbe6f7;
  }
  .poster-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s ease;}
  .poster-card:hover .poster-thumb img{transform:scale(1.12);}
  .poster-mask{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(15,30,61,0) 35%,rgba(15,30,61,.86) 100%);
    opacity:0;transition:opacity .3s ease;
    display:flex;align-items:flex-end;justify-content:space-between;
    padding:10px;
  }
  .poster-card:hover .poster-mask{opacity:1;}
  .play-btn{
    width:38px;height:38px;border:2px solid #fff;background:var(--main);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:.85rem;
  }
  .poster-mask .pm-text{color:#fff;font-size:.72rem;font-weight:700;line-height:1.4;}
  .poster-body{padding:9px 10px 11px;border-top:3px solid var(--ink);}
  .poster-name{
    font-size:.86rem;font-weight:800;color:var(--ink);
    margin:0;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .poster-meta{font-size:.7rem;color:#5b6c8c;margin-top:5px;font-family:var(--mono);font-weight:700;}

  /* rank list */
  .rank-wrap{
    border:3px solid var(--ink);background:#fff;box-shadow:var(--hard-shadow);
  }
  .rank-row{
    display:flex;align-items:center;gap:16px;
    padding:14px 18px;border-bottom:3px solid var(--ink);
  }
  .rank-row:last-child{border-bottom:none;}
  .rank-no{
    font-family:var(--mono);font-weight:700;font-size:1.45rem;
    min-width:52px;color:var(--main);
  }
  .rank-row:nth-child(1) .rank-no{color:#e11d48;}
  .rank-row:nth-child(2) .rank-no{color:#f59e0b;}
  .rank-row:nth-child(3) .rank-no{color:var(--accent);}
  .rank-name{font-weight:900;font-size:1rem;color:var(--ink);margin:0;}
  .rank-tag{
    font-size:.7rem;font-weight:700;border:2px solid var(--ink);
    padding:1px 7px;color:var(--main);margin-left:8px;background:#eef4ff;
  }
  .rank-desc{font-size:.78rem;color:#5b6c8c;margin:4px 0 0;}
  .rank-score{
    margin-left:auto;font-family:var(--mono);font-weight:700;
    font-size:1.15rem;color:var(--accent);white-space:nowrap;
  }

  /* tabs */
  .tab-strip{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
  .tab-btn{
    border:3px solid var(--ink);background:#fff;color:var(--ink);
    font-weight:800;font-size:.9rem;padding:8px 20px;cursor:pointer;
    box-shadow:var(--hard-shadow-sm);transition:all .15s ease;
  }
  .tab-btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 0 var(--ink);}
  .tab-btn.active{background:var(--main);color:#fff;border-color:var(--ink);}
  .tab-panel{display:none;}
  .tab-panel.active{display:block;animation:fadeIn .3s ease;}
  @keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

  /* timeline */
  .timeline{position:relative;padding-left:34px;}
  .timeline::before{
    content:"";position:absolute;left:9px;top:6px;bottom:6px;width:3px;
    background:linear-gradient(180deg,var(--main),var(--accent));
  }
  .tl-item{position:relative;margin-bottom:26px;}
  .tl-item:last-child{margin-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:-33px;top:5px;width:15px;height:15px;
    background:#fff;border:3px solid var(--ink);
  }
  .tl-date{font-family:var(--mono);font-weight:700;font-size:.82rem;color:var(--accent);}
  .tl-title{font-weight:900;font-size:1.02rem;margin:5px 0 4px;color:var(--ink);}
  .tl-text{font-size:.86rem;color:#4a5b7c;margin:0;line-height:1.75;}

  /* faq */
  .faq-item{
    border:3px solid var(--ink);background:#fff;box-shadow:var(--hard-shadow-sm);
    padding:16px 20px;margin-bottom:14px;
  }
  .faq-q{font-weight:900;font-size:.98rem;color:var(--ink);margin:0 0 8px;display:flex;gap:10px;}
  .faq-q i{color:var(--main);margin-top:3px;font-size:.85rem;}
  .faq-a{margin:0;font-size:.87rem;color:#4a5b7c;line-height:1.85;}

  /* tags cloud */
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
  .tag-chip{
    border:2px solid var(--ink);background:#fff;padding:5px 14px;
    font-size:.8rem;font-weight:700;color:var(--ink);
  }
  .tag-chip:hover{background:var(--accent);color:#fff;}

  /* footer */
  footer{
    background:var(--ink);color:#c9d6ef;border-top:3px solid var(--ink);
    padding:50px 0 26px;margin-top:20px;
  }
  footer h5{color:#fff;font-weight:900;font-size:1rem;margin-bottom:16px;}
  footer a{color:#c9d6ef;font-size:.86rem;display:block;margin-bottom:9px;}
  footer a:hover{color:var(--accent);}
  .foot-brand{
    font-weight:900;font-size:1.25rem;color:#fff;display:inline-flex;align-items:center;gap:8px;
    border:3px solid var(--accent);padding:5px 13px;margin-bottom:14px;
  }
  .foot-bottom{
    border-top:1px solid rgba(201,214,239,.25);margin-top:30px;padding-top:20px;
    font-size:.82rem;color:#8fa3c6;text-align:center;font-family:var(--mono);
  }
  .foot-friend{
    font-size:.82rem;color:#9fb2d4;line-height:2;word-break:break-all;
  }

/* --- 子页面追加 --- */
.about-lead {font-size:1.02rem;line-height:2;color:var(--text);max-width:820px;}
.about-lead strong {color:var(--main);}
.tile-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem;margin-top:1.6rem;}
.tile {background:#fff;border:2px solid var(--line);box-shadow:var(--hard-shadow-sm);border-radius:14px;padding:1.3rem 1.35rem;}
.tile .ti {font-size:1.3rem;color:var(--main);margin-bottom:.6rem;display:block;}
.tile h3 {font-size:1.02rem;font-weight:800;margin:0 0 .5rem;color:var(--text);}
.tile p {margin:0;font-size:.9rem;line-height:1.85;color:rgba(15,30,61,.78);}
.flow-list {list-style:none;padding:0;margin:1.6rem 0 0;counter-reset:fl;}
.flow-list li {position:relative;padding:1rem 1.1rem 1rem 3.6rem;background:#fff;border:2px solid var(--line);border-radius:12px;box-shadow:var(--hard-shadow-sm);margin-bottom:.9rem;font-size:.93rem;line-height:1.85;color:rgba(15,30,61,.82);}
.flow-list li::before {counter-increment:fl;content:counter(fl,decimal-leading-zero);position:absolute;left:1.05rem;top:1rem;font-family:var(--mono);font-size:.85rem;font-weight:700;color:#fff;background:var(--main);border:2px solid var(--line);border-radius:8px;padding:.15rem .45rem;}
.flow-list li b {color:var(--text);}
.no-list {list-style:none;padding:0;margin:1.6rem 0 0;}
.no-list li {display:flex;gap:.75rem;align-items:flex-start;padding:.75rem 0;border-bottom:1px dashed rgba(15,30,61,.22);font-size:.93rem;line-height:1.85;color:rgba(15,30,61,.82);}
.no-list li:last-child {border-bottom:0;}
.no-list li i {color:var(--accent);margin-top:.35rem;}
.no-list li b {color:var(--text);}
.quote-box {margin-top:1.6rem;background:#fff;border:2px solid var(--line);border-left:8px solid var(--accent);border-radius:12px;box-shadow:var(--hard-shadow);padding:1.4rem 1.5rem;font-size:.95rem;line-height:2;color:rgba(15,30,61,.85);}
.quote-box span {display:block;margin-top:.7rem;font-family:var(--mono);font-size:.8rem;color:var(--main);letter-spacing:.02em;}

/* --- 子页面追加 --- */
/* 本页专属：仅少量补充，配色沿用站点变量 */
  .guide-wrap {max-width:920px;}
.toc-box {
    background:#fff;border:2px solid var(--line);box-shadow:var(--hard-shadow);
    padding:20px 22px;margin:0 0 42px;
  }
.toc-box h3 {font-size:1rem;font-weight:800;margin:0 0 14px;letter-spacing:.5px;}
.toc-list {list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 14px;}
.toc-list a {
    display:inline-block;font-size:.88rem;font-weight:600;color:var(--text);
    text-decoration:none;border-bottom:2px solid transparent;padding-bottom:2px;
  }
.toc-list a:hover {color:var(--main);border-bottom-color:var(--main);}
.step-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin:26px 0 8px;}
.step-card {
    background:#fff;border:2px solid var(--line);box-shadow:var(--hard-shadow-sm);
    padding:20px 20px 22px;transition:transform .18s ease, box-shadow .18s ease;
  }
.step-card:hover {transform:translate(-2px,-2px);box-shadow:var(--hard-shadow);}
.step-num {
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;background:var(--main);color:#fff;
    font-weight:800;font-size:.95rem;border:2px solid var(--line);margin-bottom:12px;
    box-shadow:var(--hard-shadow-sm);
  }
.step-card h3 {font-size:1.02rem;font-weight:800;margin:0 0 8px;line-height:1.45;}
.step-card p {font-size:.9rem;line-height:1.75;margin:0;color:#3b4a6b;}
.tip-list {list-style:none;padding:0;margin:18px 0 0;}
.tip-list li {
    position:relative;padding:12px 16px 12px 44px;margin-bottom:10px;
    background:#fff;border:2px solid var(--line);box-shadow:var(--hard-shadow-sm);
    font-size:.9rem;line-height:1.7;color:#33415e;
  }
.tip-list li i {
    position:absolute;left:15px;top:13px;color:var(--accent);font-size:1rem;
  }
.faq-item.open .faq-q i {transform:rotate(45deg);}
.faq-a p {margin:0;padding:0 18px 18px;font-size:.89rem;line-height:1.8;color:#3b4a6b;}
.faq-item.open .faq-a {max-height:340px;}
.check-table {width:100%;border-collapse:collapse;margin:22px 0 6px;background:#fff;
    border:2px solid var(--line);box-shadow:var(--hard-shadow-sm);}
.check-table th,.check-table td {
    padding:13px 16px;font-size:.88rem;text-align:left;border-bottom:1px solid #dfe7f7;
  }
.check-table th {background:var(--main);color:#fff;font-weight:700;border-bottom:2px solid var(--line);}
.check-table tr:last-child td {border-bottom:0;}
.check-table td:first-child {font-weight:700;width:34%;}
.lead-p {font-size:1rem;line-height:1.95;color:#33415e;}
.step-grid {grid-template-columns:1fr;}
.check-table th,.check-table td {padding:11px 12px;font-size:.84rem;}
.check-table td:first-child {width:40%;}

/* --- 子页面追加 --- */
.legal-wrap {max-width:960px;margin:0 auto;}
.legal-card {background:#fff;border:2px solid var(--line);box-shadow:var(--hard-shadow);padding:2rem 1.6rem;margin-bottom:1.8rem;}
.legal-card h2 {font-size:1.28rem;font-weight:800;margin:0 0 .9rem;display:flex;align-items:center;gap:.55rem;letter-spacing:-.01em;}
.legal-card h2 .num {display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;flex:0 0 30px;background:var(--main);color:#fff;border:2px solid var(--line);box-shadow:var(--hard-shadow-sm);font-family:var(--mono);font-size:.85rem;font-weight:700;}
.legal-card h3 {font-size:1.02rem;font-weight:700;margin:1.3rem 0 .5rem;color:var(--main);}
.legal-card p,.legal-card li {font-size:.94rem;line-height:1.85;color:#2b3a5c;}
.legal-card ul {padding-left:1.15rem;margin:.4rem 0 .2rem;}
.legal-card li {margin-bottom:.35rem;}
.legal-card strong {color:var(--text);font-weight:700;}
.legal-note {border-left:5px solid var(--accent);background:rgba(6,182,212,.08);padding:.85rem 1rem;margin:1rem 0;font-size:.9rem;line-height:1.8;color:#124a5c;}
.legal-meta {font-family:var(--mono);font-size:.8rem;color:#5b6d8f;margin-top:.2rem;}
.legal-toc {border:2px solid var(--line);background:#fff;box-shadow:var(--hard-shadow-sm);padding:1.1rem 1.2rem;margin-bottom:2rem;}
.legal-toc .toc-title {font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--main);font-weight:700;margin-bottom:.6rem;}
.legal-toc a {display:block;font-size:.9rem;font-weight:600;color:var(--text);text-decoration:none;padding:.28rem 0;border-bottom:1px dashed rgba(15,30,61,.15);}
.legal-toc a:last-child {border-bottom:none;}
.legal-toc a:hover {color:var(--main);}
.legal-toc a i {color:var(--accent);margin-right:.45rem;font-size:.75rem;}
.legal-card {padding:1.4rem 1.1rem;box-shadow:var(--hard-shadow-sm);}
.legal-card h2 {font-size:1.1rem;}

/* --- 子页面追加 --- */
.map-block {
    background:#fff;
    border:2px solid var(--line);
    box-shadow:var(--hard-shadow-sm);
    border-radius:14px;
    padding:22px 22px 8px;
    height:100%;
  }
.map-block h3 {
    font-size:1.05rem;
    font-weight:800;
    color:var(--text);
    display:flex;
    align-items:center;
    gap:.5rem;
    margin:0 0 14px;
    padding-bottom:10px;
    border-bottom:2px dashed rgba(15,30,61,.18);
  }
.map-block h3 i {
    color:var(--main);
  }
.map-list {
    list-style:none;
    padding:0;
    margin:0 0 12px;
  }
.map-list li {
    margin-bottom:10px;
  }
.map-list a {
    display:flex;
    align-items:center;
    gap:.55rem;
    color:var(--text);
    text-decoration:none;
    font-weight:600;
    font-size:.95rem;
    padding:6px 10px;
    border-radius:8px;
    transition:all .18s ease;
  }
.map-list a:hover {
    background:var(--bg);
    color:var(--main);
    transform:translateX(3px);
  }
.map-list a i {
    color:var(--accent);
    font-size:.85rem;
    width:16px;
    text-align:center;
  }
.map-list .desc {
    display:block;
    font-size:.78rem;
    color:rgba(15,30,61,.55);
    font-weight:400;
    margin-top:2px;
    padding-left:26px;
  }
.map-note {
    background:var(--bg);
    border:2px solid var(--line);
    box-shadow:var(--hard-shadow-sm);
    border-radius:14px;
    padding:20px 24px;
  }
.map-note h3 {
    font-size:1.05rem;
    font-weight:800;
    margin:0 0 12px;
    color:var(--text);
  }
.map-note p {
    font-size:.9rem;
    color:rgba(15,30,61,.78);
    line-height:1.85;
    margin-bottom:10px;
  }
.map-note ul {
    padding-left:18px;
    margin:0;
  }
.map-note li {
    font-size:.88rem;
    color:rgba(15,30,61,.78);
    line-height:1.8;
  }
.crumb {
    font-size:.82rem;
    color:rgba(15,30,61,.6);
    margin-bottom:14px;
  }
.crumb a {
    color:var(--main);
    text-decoration:none;
    font-weight:600;
  }