:root{
  --brand:#2563eb;
  --accent:#06b6d4;
  --bg:#f4f8ff;
  --ink:#0f1e3d;
  --line:#0f1e3d;
  --card:#ffffff;
  --muted:#4a5b7c;
  --shadow:6px 6px 0 var(--ink);
  --shadow-sm:4px 4px 0 var(--ink);
}
*{border-radius:0!important;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:14px;
  line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-weight:900;
  letter-spacing:-0.02em;
  color:var(--ink);
}
.mono{font-family:'SFMono-Regular',Consolas,'Courier New',monospace;}
a{text-decoration:none;color:inherit;}
/* ---- scroll progress ---- */
#progress-bar{
  position:fixed;top:0;left:0;height:5px;width:0%;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  z-index:3000;
  border-right:2px solid var(--ink);
}
/* ---- nav ---- */
.topbar{
  position:sticky;top:0;z-index:2000;
  background:var(--card);
  border-bottom:4px solid var(--ink);
  box-shadow:0 4px 0 rgba(15,30,61,.08);
}
.brand-logo{
  font-weight:900;font-size:1.4rem;letter-spacing:-0.03em;
  color:var(--ink)!important;
  display:flex;align-items:center;gap:8px;
}
.brand-logo .bmark{
  background:var(--brand);color:#fff;
  padding:2px 9px;border:3px solid var(--ink);
  box-shadow:var(--shadow-sm);
  font-size:1rem;
}
.nav-link-cs{
  color:var(--ink)!important;
  font-weight:700;
  font-size:.82rem;
  padding:6px 11px!important;
  border:2px solid transparent;
  letter-spacing:0;
  transition:.15s;
}
.nav-link-cs:hover{
  background:var(--accent);
  color:#fff!important;
  border:2px solid var(--ink);
  box-shadow:3px 3px 0 var(--ink);
  transform:translate(-1px,-1px);
}
.navbar-toggler{border:3px solid var(--ink);box-shadow:var(--shadow-sm);padding:4px 10px;}
.navbar-toggler:focus{box-shadow:var(--shadow-sm);}
@media(max-width:991px){
  .navbar-collapse{border-top:3px solid var(--ink);margin-top:8px;padding-top:8px;}
}
/* ---- hero ---- */
.hero{
  position:relative;
  background:
    linear-gradient(rgba(15,30,61,.78),rgba(37,99,235,.55)),
    url('{随机图片}') center/cover no-repeat;
  color:#fff;
  border-bottom:4px solid var(--ink);
  padding:64px 0 56px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.04) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.hero h1{
  color:#fff;font-size:clamp(1.8rem,4.4vw,3.2rem);
  line-height:1.12;text-shadow:5px 5px 0 rgba(15,30,61,.55);
}
.hero .lead{color:#dbe7ff;font-size:.95rem;max-width:640px;}
.tag-pill{
  display:inline-block;background:var(--accent);color:#fff;
  border:3px solid var(--ink);
  padding:3px 12px;font-weight:800;font-size:.74rem;
  box-shadow:var(--shadow-sm);margin-bottom:16px;
  letter-spacing:.06em;
}
.btn-hard{
  border:3px solid var(--ink);
  font-weight:800;
  padding:9px 22px;
  box-shadow:var(--shadow-sm);
  transition:.15s;
  font-size:.86rem;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-hard.primary{background:var(--brand);color:#fff;}
.btn-hard.ghost{background:#fff;color:var(--ink);}
.btn-hard:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink);}
.hero-stat{
  border:3px solid #fff;
  background:rgba(15,30,61,.55);
  padding:10px 14px;
  box-shadow:4px 4px 0 rgba(255,255,255,.28);
}
.hero-stat b{font-size:1.25rem;display:block;color:#fff;}
.hero-stat span{font-size:.68rem;color:#b9cdf3;letter-spacing:.08em;}
/* ---- section frame ---- */
.sec{padding:46px 0;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  border-bottom:4px solid var(--ink);
  padding-bottom:10px;margin-bottom:24px;gap:12px;flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(1.15rem,2.6vw,1.55rem);margin:0;
  display:flex;align-items:center;gap:10px;
}
.sec-head h2 .num{
  background:var(--ink);color:#fff;
  font-size:.72rem;padding:3px 8px;font-family:monospace;letter-spacing:.05em;
}
.sec-head .sub{font-size:.76rem;color:var(--muted);font-weight:600;max-width:520px;}
/* ---- poster grid ---- */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(158px,1fr));
  gap:14px;
}
.poster-grid.dense{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;}
.pcard{
  background:var(--card);
  border:3px solid var(--ink);
  box-shadow:var(--shadow-sm);
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease;
  position:relative;
  display:flex;flex-direction:column;
}
.pcard:hover{transform:translate(-3px,-4px) scale(1.025);box-shadow:9px 10px 0 var(--ink);z-index:5;}
.pthumb{position:relative;overflow:hidden;aspect-ratio:2/3;background:#dbe7ff;border-bottom:3px solid var(--ink);}
.pthumb img{width:100%;height:100%;object-fit:cover;display:block;}
.badge-clarity{
  position:absolute;top:0;left:0;
  background:var(--accent);color:#fff;
  font-size:.62rem;font-weight:800;
  padding:2px 7px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
  letter-spacing:.06em;font-family:monospace;
}
.badge-clarity.hd{background:var(--brand);}
.badge-clarity.uhd{background:#0f1e3d;}
.p-rate{
  position:absolute;top:0;right:0;
  background:#fff;color:var(--ink);
  font-weight:900;font-size:.7rem;
  padding:2px 7px;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);
  font-family:monospace;
}
.play-ov{
  position:absolute;inset:0;
  background:rgba(15,30,61,.42);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .2s;
}
.pcard:hover .play-ov{opacity:1;}
.play-ov i{
  color:#fff;font-size:1.6rem;
  border:3px solid #fff;padding:12px 14px 12px 18px;
  background:var(--brand);
  box-shadow:3px 3px 0 rgba(0,0,0,.5);
  transform:scale(.85);transition:transform .2s;
}
.pcard:hover .play-ov i{transform:scale(1);}
.pinfo{padding:8px 9px 10px;}
.pinfo h4{
  font-size:.82rem;margin:0 0 3px;font-weight:800;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.pmeta{font-size:.66rem;color:var(--muted);font-weight:600;display:flex;gap:6px;flex-wrap:wrap;font-family:monospace;}
.pmeta .tp{color:var(--brand);font-weight:800;}
/* ---- table ---- */
.hard-table{width:100%;border-collapse:collapse;background:#fff;border:3px solid var(--ink);box-shadow:var(--shadow);}
.hard-table th,.hard-table td{border:2px solid var(--ink);padding:9px 12px;font-size:.8rem;vertical-align:middle;}
.hard-table thead th{background:var(--brand);color:#fff;font-weight:800;letter-spacing:.03em;}
.hard-table tbody tr:nth-child(even){background:#eaf1ff;}
.hard-table tbody tr:hover{background:#d7e6ff;}
.hard-table td.mono{font-family:monospace;font-weight:700;}
/* ---- ranking ---- */
.rank-list{list-style:none;padding:0;margin:0;}
.rank-item{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:3px solid var(--ink);
  box-shadow:var(--shadow-sm);
  padding:8px 12px;margin-bottom:10px;
  cursor:pointer;transition:.15s;
}
.rank-item:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink);}
.rank-no{
  font-family:monospace;font-weight:900;font-size:1.1rem;
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border:3px solid var(--ink);background:var(--accent);color:#fff;flex-shrink:0;
}
.rank-item:nth-child(1) .rank-no{background:var(--brand);}
.rank-item:nth-child(2) .rank-no{background:#2563eb;}
.rank-item:nth-child(3) .rank-no{background:#06b6d4;}
.rank-body{flex:1;min-width:0;}
.rank-body h5{font-size:.85rem;margin:0;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-body p{margin:0;font-size:.68rem;color:var(--muted);font-family:monospace;font-weight:600;}
.rank-score{font-family:monospace;font-weight:900;font-size:.95rem;color:var(--brand);flex-shrink:0;}
/* ---- category matrix ---- */
.cat-tile{
  display:block;background:#fff;border:3px solid var(--ink);
  box-shadow:var(--shadow-sm);padding:16px 14px;
  transition:.15s;height:100%;
}
.cat-tile:hover{transform:translate(-3px,-3px);box-shadow:8px 8px 0 var(--ink);background:#eaf1ff;}
.cat-tile i{font-size:1.3rem;color:var(--brand);margin-bottom:8px;display:block;}
.cat-tile h5{font-size:.92rem;margin:0 0 4px;font-weight:900;}
.cat-tile p{font-size:.68rem;color:var(--muted);margin:0;font-weight:600;}
.cat-count{font-family:monospace;font-size:.66rem;color:var(--accent);font-weight:900;letter-spacing:.04em;}
/* ---- steps / numbered list ---- */
.num-list{list-style:none;counter-reset:step;padding:0;margin:0;}
.num-list li{
  counter-increment:step;position:relative;
  background:#fff;border:3px solid var(--ink);
  box-shadow:var(--shadow-sm);
  padding:12px 14px 12px 56px;margin-bottom:12px;font-size:.83rem;
}
.num-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;bottom:0;width:40px;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:monospace;font-weight:900;font-size:.9rem;
}
/* ---- faq ---- */
.faq-item{background:#fff;border:3px solid var(--ink);box-shadow:var(--shadow-sm);margin-bottom:12px;}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;
  font-weight:800;font-size:.86rem;padding:12px 15px;
  display:flex;justify-content:space-between;align-items:center;gap:10px;color:var(--ink);
}
.faq-q:hover{background:#eaf1ff;}
.faq-q .fi{color:var(--brand);transition:transform .2s;font-size:.8rem;}
.faq-item.open .fi{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;font-size:.8rem;color:var(--muted);}
.faq-a .inner{padding:0 15px 14px;}
.faq-item.open .faq-a{max-height:340px;}
/* ---- tips ---- */
.tip-card{
  background:#fff;border:3px solid var(--ink);box-shadow:var(--shadow-sm);
  padding:14px;height:100%;
}
.tip-card h5{font-size:.86rem;font-weight:900;display:flex;gap:8px;align-items:center;margin-bottom:6px;}
.tip-card h5 i{color:var(--accent);}
.tip-card p{font-size:.76rem;color:var(--muted);margin:0;}
/* ---- friend links ---- */
.friend-box{
  background:#fff;border:3px solid var(--ink);box-shadow:var(--shadow);
  padding:18px;
}
.friend-box .fl-title{font-weight:900;font-size:.85rem;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.friend-links{font-size:.78rem;line-height:2;color:var(--muted);word-break:break-all;}
/* ---- footer ---- */
.site-footer{
  background:var(--ink);color:#c6d2e6;
  border-top:4px solid var(--accent);
  padding:40px 0 22px;margin-top:20px;
}
.site-footer h6{color:#fff;font-weight:900;font-size:.86rem;margin-bottom:12px;letter-spacing:.04em;}
.site-footer a{color:#c6d2e6;font-size:.78rem;display:block;padding:3px 0;transition:.15s;}
.site-footer a:hover{color:var(--accent);padding-left:5px;}
.footer-bottom{
  border-top:2px solid #2a3d66;margin-top:26px;padding-top:16px;
  font-size:.72rem;color:#7f92b5;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
}
/* ---- modal ---- */
.modal-cs{
  position:fixed;inset:0;z-index:4000;
  background:rgba(15,30,61,.72);
  display:none;align-items:center;justify-content:center;
  padding:18px;backdrop-filter:blur(3px);
}
.modal-cs.show{display:flex;}
.modal-card{
  background:#fff;border:4px solid var(--ink);
  box-shadow:12px 12px 0 rgba(15,30,61,.65);
  max-width:820px;width:100%;max-height:90vh;overflow:auto;
  position:relative;animation:pop .2s ease;
}
@keyframes pop{from{transform:scale(.94);opacity:0;}to{transform:scale(1);opacity:1;}}
.modal-close{
  position:absolute;top:0;right:0;
  background:var(--brand);color:#fff;border:0;border-left:4px solid var(--ink);border-bottom:4px solid var(--ink);
  width:42px;height:42px;font-size:1.1rem;font-weight:900;cursor:pointer;z-index:2;
}
.modal-close:hover{background:#0f1e3d;}
@media(max-width:767px){
  .modal-card{max-height:94vh;}
}
.modal-poster{width:100%;aspect-ratio:2/3;object-fit:cover;border:3px solid var(--ink);box-shadow:var(--shadow-sm);}
.modal-info h3{font-size:1.2rem;font-weight:900;margin-bottom:4px;}
.mtag{
  display:inline-block;background:var(--accent);color:#fff;
  border:2px solid var(--ink);font-size:.64rem;font-weight:800;
  padding:1px 8px;margin:0 5px 5px 0;font-family:monospace;
}
.mrow{font-size:.78rem;margin-bottom:6px;color:var(--muted);}
.mrow b{color:var(--ink);}
.plot{font-size:.8rem;background:#eaf1ff;border-left:5px solid var(--brand);padding:10px 12px;margin-top:10px;}
/* fade in */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .55s ease,transform .55s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* --- 子页面追加 --- */
/* 本页专属：仅补充首页样式表里没有的少量排版，全部沿用变量 */
  .guide-step {background:var(--card);border:2px solid var(--line);box-shadow:var(--shadow-sm);border-radius:14px;padding:22px 22px 18px;height:100%;position:relative;}
.guide-step .step-no {font-family:'Inter',monospace;font-weight:900;font-size:34px;line-height:1;color:var(--brand);display:block;margin-bottom:6px;}
.guide-step h3 {font-size:1.05rem;font-weight:800;color:var(--ink);margin:0 0 10px;}
.guide-step p {color:var(--muted);font-size:.92rem;line-height:1.75;margin:0;}
.guide-note {background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.10));border:2px dashed var(--brand);border-radius:14px;padding:18px 22px;color:var(--ink);font-size:.94rem;line-height:1.8;}
.guide-note i {color:var(--accent);}
.qa-item {background:var(--card);border:2px solid var(--line);box-shadow:var(--shadow-sm);border-radius:14px;padding:20px 22px;margin-bottom:18px;}
.qa-item h3 {font-size:1rem;font-weight:800;color:var(--ink);margin:0 0 10px;display:flex;gap:10px;align-items:flex-start;}
.qa-item h3 i {color:var(--brand);margin-top:3px;flex:0 0 auto;}
.qa-item p {color:var(--muted);font-size:.92rem;line-height:1.8;margin:0;}
.tag-row {display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.tag-row .tag-pill {cursor:default;}
.guide-toc {background:var(--card);border:2px solid var(--line);box-shadow:var(--shadow-sm);border-radius:14px;padding:20px 22px;}
.guide-toc ol {margin:0;padding-left:20px;}
.guide-toc li {margin-bottom:8px;font-size:.92rem;}
.guide-toc a {color:var(--brand);text-decoration:none;font-weight:600;}
.guide-toc a:hover {color:var(--accent);}
.clarity-row {display:flex;gap:14px;flex-wrap:wrap;margin-top:16px;}
.clarity-box {flex:1 1 200px;background:var(--card);border:2px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow-sm);}
.clarity-box strong {display:block;font-size:.95rem;color:var(--ink);margin-bottom:6px;}
.clarity-box span {font-size:.85rem;color:var(--muted);line-height:1.7;display:block;}
.guide-step {padding:18px 16px;}
.guide-step .step-no {font-size:28px;}

/* --- 子页面追加 --- */
/* 本页专属少量补充样式，沿用站点配色变量 */
.about-lead {
  font-size:1.05rem;
  line-height:1.9;
  color:var(--muted);
  max-width:820px;
}
.about-card {
  background:var(--card);
  border:3px solid var(--line);
  box-shadow:var(--shadow-sm);
  border-radius:14px;
  padding:1.4rem 1.5rem;
  height:100%;
}
.about-card h3 {
  font-size:1.05rem;
  font-weight:800;
  color:var(--ink);
  margin-bottom:.6rem;
  display:flex;
  align-items:center;
  gap:.55rem;
}
.about-card h3 .ico {
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);
  color:#fff;
  border:2px solid var(--line);
  border-radius:9px;
  font-size:.9rem;
  flex:0 0 auto;
}
.about-card p {color:var(--muted);font-size:.94rem;line-height:1.8;margin-bottom:0;}
.about-step {
  display:flex;gap:1rem;
  background:var(--card);
  border:3px solid var(--line);
  box-shadow:var(--shadow-sm);
  border-radius:14px;
  padding:1.2rem 1.3rem;
}
.about-step .no {
  font-family:'Inter',monospace;
  font-weight:900;
  font-size:1.4rem;
  color:var(--accent);
  flex:0 0 auto;
  line-height:1;
  padding-top:.15rem;
}
.about-step h4 {font-size:1rem;font-weight:800;color:var(--ink);margin-bottom:.35rem;}
.about-step p {color:var(--muted);font-size:.92rem;line-height:1.75;margin-bottom:0;}
.about-note {
  background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.10));
  border:3px dashed var(--line);
  border-radius:14px;
  padding:1.4rem 1.5rem;
}
.about-note p {color:var(--ink);font-size:.95rem;line-height:1.85;margin-bottom:0;}
.about-fact {
  display:flex;justify-content:space-between;gap:1rem;
  padding:.7rem 0;
  border-bottom:2px dashed rgba(15,30,61,.18);
  font-size:.92rem;
}
.about-fact:last-child {border-bottom:0;}
.about-fact .k {color:var(--muted);font-weight:600;}
.about-fact .v {color:var(--ink);font-weight:800;text-align:right;}

/* --- 子页面追加 --- */
.legal-wrap {max-width:900px;margin:0 auto;}
.legal-card {background:var(--card);border:2px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:28px 26px;margin-bottom:26px;}
.legal-card h2 {font-size:1.35rem;font-weight:800;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.legal-card h2 .num {flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-size:.95rem;font-weight:800;box-shadow:var(--shadow-sm);}
.legal-card p {color:var(--muted);line-height:1.85;margin-bottom:12px;font-size:.97rem;}
.legal-card ul {color:var(--muted);line-height:1.85;padding-left:1.2rem;margin-bottom:12px;font-size:.97rem;}
.legal-card li {margin-bottom:8px;}
.legal-card strong {color:var(--ink);}
.legal-note {background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.10));border:2px dashed var(--line);border-radius:12px;padding:16px 18px;color:var(--ink);font-size:.93rem;line-height:1.8;}
.legal-toc {display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.legal-toc a {display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:2px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);font-size:.86rem;font-weight:600;text-decoration:none;box-shadow:var(--shadow-sm);transition:.15s;}
.legal-toc a:hover {background:var(--brand);color:#fff;transform:translate(-1px,-1px);}
.legal-meta {color:var(--muted);font-size:.85rem;margin-bottom:18px;}
.legal-card {padding:20px 16px;}
.legal-card h2 {font-size:1.15rem;}