:root{
  --main:#f472b6;
  --accent:#fbbf24;
  --bg:#fff5f7;
  --text:#4a2530;
  --line:#f7dde4;
  --card:#ffffff;
  --muted:#9c6f7c;
  --radius:8px;
  --shadow:0 2px 10px rgba(244,114,182,.10);
}
*{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;
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,.heavy{
  font-weight:900;
  letter-spacing:-.02em;
}
a{text-decoration:none;color:inherit;}
.mono{font-family:'SFMono-Regular','Roboto Mono',Menlo,Consolas,monospace;font-weight:600;}
/* ===== nav ===== */
.topbar{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,245,247,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand-logo{
  font-weight:900;font-size:20px;color:var(--text);
  display:inline-flex;align-items:center;gap:7px;
}
.brand-logo i{color:var(--main);font-size:17px;}
.nav-link-t{
  color:var(--text);font-weight:600;font-size:13.5px;
  padding:6px 11px;border-radius:var(--radius);
  transition:.18s;white-space:nowrap;
}
.nav-link-t:hover,.nav-link-t.active{background:var(--main);color:#fff;}
.menu-btn{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:5px 10px;color:var(--text);}
.mobile-panel{display:none;border-top:1px solid var(--line);padding:10px 0;}
.mobile-panel.show{display:block;}
.mobile-panel a{display:block;padding:9px 16px;font-weight:600;font-size:14px;border-radius:var(--radius);}
.mobile-panel a:hover{background:#fdeaf0;}
/* ===== hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#ffe3ee 0%,#fff5f7 45%,#fef0d8 100%);
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:-12% 0;z-index:0;
  background:
    radial-gradient(circle at 18% 30%,rgba(244,114,182,.30),transparent 42%),
    radial-gradient(circle at 82% 65%,rgba(251,191,36,.26),transparent 45%),
    radial-gradient(circle at 50% 110%,rgba(244,114,182,.18),transparent 50%);
  will-change:transform;
}
.hero-inner{position:relative;z-index:2;padding:44px 0 40px;}
.hero h1{font-size:clamp(26px,4.4vw,46px);line-height:1.12;margin:0 0 12px;}
.hero h1 em{font-style:normal;color:var(--main);}
.hero-sub{color:var(--muted);font-size:14px;max-width:640px;margin-bottom:20px;}
.cloud{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px;}
.cloud span{
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  box-shadow:var(--shadow);
}
.cloud span:nth-child(3n+1){color:var(--main);border-color:#fbd0e2;}
.cloud span:nth-child(4n+2){color:#c98a12;border-color:#fbe6b0;}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;}
.hero-stats div{font-size:12px;color:var(--muted);}
.hero-stats b{display:block;font-size:24px;color:var(--text);font-family:'SFMono-Regular',Menlo,monospace;font-weight:800;}
/* ===== sections ===== */
.sec{padding:34px 0 10px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px;border-bottom:1px solid var(--line);padding-bottom:10px;}
.sec-head h2{font-size:19px;margin:0;display:flex;align-items:center;gap:8px;}
.sec-head h2 i{color:var(--main);font-size:15px;}
.sec-head .more{font-size:12px;color:var(--muted);font-weight:600;}
.sec-head .more:hover{color:var(--main);}
/* ===== tab pills ===== */
.pills{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px;}
.pill{
  font-size:12.5px;font-weight:700;padding:6px 15px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;transition:.18s;
}
.pill:hover{border-color:var(--main);color:var(--main);}
.pill.on{background:var(--main);border-color:var(--main);color:#fff;box-shadow:var(--shadow);}
/* ===== poster grid ===== */
.pgrid{display:grid;gap:13px;}
.g-6{grid-template-columns:repeat(6,1fr);}
.g-5{grid-template-columns:repeat(5,1fr);}
.g-4{grid-template-columns:repeat(4,1fr);}
/* ===== flip card ===== */
.flip{perspective:1000px;height:262px;}
.flip-in{
  position:relative;width:100%;height:100%;
  transition:transform .55s cubic-bezier(.4,.2,.2,1);
  transform-style:preserve-3d;
}
.flip.flipped .flip-in{transform:rotateY(180deg);}
.face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:var(--radius);overflow:hidden;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.face-front{cursor:pointer;}
.face-front img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.face-front:hover img{transform:scale(1.07);}
.face-front .ov{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(to top,rgba(74,37,48,.88) 0%,rgba(74,37,48,.35) 42%,transparent 72%);
  opacity:0;transition:opacity .3s;padding:9px;
}
.face-front:hover .ov{opacity:1;}
.ov .t{color:#fff;font-weight:800;font-size:13px;line-height:1.25;}
.ov .m{color:#ffd9e8;font-size:11px;margin-top:3px;}
.badge-rate{
  position:absolute;top:7px;left:7px;background:var(--accent);color:#5a3a06;
  font-size:11px;font-weight:800;padding:2px 7px;border-radius:6px;
  font-family:'SFMono-Regular',Menlo,monospace;
}
.badge-tag{
  position:absolute;top:7px;right:7px;background:rgba(255,255,255,.92);
  color:var(--main);font-size:10px;font-weight:800;padding:2px 6px;border-radius:5px;
}
.face-back{
  transform:rotateY(180deg);
  padding:11px;display:flex;flex-direction:column;gap:5px;
  background:linear-gradient(160deg,#ffffff,#fff0f5);
  overflow:auto;
}
.face-back .bt{font-weight:900;font-size:13.5px;line-height:1.25;padding-right:16px;}
.face-back .row-x{font-size:10.5px;color:var(--muted);line-height:1.45;}
.face-back .row-x b{color:var(--text);font-weight:700;}
.face-back .plot{font-size:10.5px;line-height:1.55;color:#6b414d;flex:1;overflow:hidden;}
.close-x{
  position:absolute;top:6px;right:6px;width:20px;height:20px;border-radius:50%;
  background:var(--main);color:#fff;border:0;font-size:11px;line-height:1;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
/* ===== rank list ===== */
.rank-item{
  display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);transition:.18s;cursor:pointer;
}
.rank-item:hover{border-color:#fbcfe4;box-shadow:var(--shadow);transform:translateY(-1px);}
.rk{
  width:24px;height:24px;flex:0 0 24px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:900;font-family:'SFMono-Regular',Menlo,monospace;
  background:#f7e7ee;color:var(--muted);
}
.rk.g1{background:linear-gradient(135deg,#ffd76e,#f5a623);color:#5a3a06;}
.rk.g2{background:linear-gradient(135deg,#e3e8ef,#b8c2ce);color:#3b4653;}
.rk.g3{background:linear-gradient(135deg,#f2c39a,#d08a4e);color:#4c2c0e;}
.rank-item img{width:38px;height:52px;object-fit:cover;border-radius:5px;flex:0 0 38px;}
.rank-item .ri-t{font-weight:800;font-size:12.5px;line-height:1.3;}
.rank-item .ri-s{font-size:10.5px;color:var(--muted);margin-top:2px;}
.rank-item .ri-r{margin-left:auto;font-family:'SFMono-Regular',Menlo,monospace;font-weight:800;color:var(--main);font-size:13px;}
/* ===== timeline ===== */
.timeline{position:relative;padding-left:22px;}
.timeline:before{content:"";position:absolute;left:6px;top:5px;bottom:5px;width:2px;background:linear-gradient(var(--main),var(--accent));border-radius:2px;}
.tl-item{position:relative;padding:0 0 18px 0;}
.tl-item:before{content:"";position:absolute;left:-21px;top:4px;width:11px;height:11px;border-radius:50%;background:#fff;border:2.5px solid var(--main);}
.tl-item .tl-d{font-family:'SFMono-Regular',Menlo,monospace;font-size:11px;font-weight:800;color:var(--main);letter-spacing:.02em;}
.tl-item .tl-h{font-weight:800;font-size:13.5px;margin:1px 0 2px;}
.tl-item .tl-p{font-size:12px;color:var(--muted);line-height:1.6;}
/* ===== soon cards ===== */
.soon{
  display:flex;gap:11px;padding:11px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);transition:.18s;
}
.soon:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.soon img{width:56px;height:78px;object-fit:cover;border-radius:6px;flex:0 0 56px;}
.soon .sn-t{font-weight:800;font-size:13px;line-height:1.3;}
.soon .sn-m{font-size:11px;color:var(--muted);margin:3px 0 5px;line-height:1.5;}
.soon .sn-d{font-family:'SFMono-Regular',Menlo,monospace;font-size:11px;font-weight:800;color:var(--accent);}
/* ===== info blocks ===== */
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:17px;
  height:100%;box-shadow:var(--shadow);
}
.info-card h3{font-size:15px;margin-bottom:8px;display:flex;align-items:center;gap:7px;}
.info-card h3 i{color:var(--main);font-size:13px;}
.info-card p{font-size:12.5px;color:#6b414d;line-height:1.72;margin:0;}
.chip{
  display:inline-block;font-size:11.5px;font-weight:700;padding:4px 11px;border-radius:999px;
  background:#fdeaf1;color:var(--main);margin:0 5px 6px 0;transition:.15s;
}
.chip:hover{background:var(--main);color:#fff;}
/* ===== friend links ===== */
.friend-links{border-top:1px solid var(--line);padding:24px 0 18px;}
.friend-links h4{font-size:13px;font-weight:800;margin-bottom:9px;color:var(--text);}
.friend-links h4 i{color:var(--main);font-size:12px;margin-right:5px;}
.fl-box{font-size:12px;color:var(--muted);line-height:2;word-break:break-all;}
/* ===== footer ===== */
footer{background:#fff;border-top:1px solid var(--line);padding:26px 0 22px;}
footer .f-brand{font-weight:900;font-size:16px;display:inline-flex;align-items:center;gap:7px;}
footer .f-brand i{color:var(--main);font-size:14px;}
footer p,footer a{font-size:12px;color:var(--muted);}
footer a:hover{color:var(--main);}
footer .f-links a{margin-right:14px;display:inline-block;}
/* ===== to top ===== */
#toTop{
  position:fixed;right:18px;bottom:22px;width:42px;height:42px;border-radius:50%;
  background:var(--main);color:#fff;border:0;font-size:15px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(244,114,182,.45);cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(14px);transition:.28s;z-index:1040;
}
#toTop.show{opacity:1;pointer-events:auto;transform:translateY(0);}
/* ===== responsive ===== */
@media (max-width:1199px){
  .g-6{grid-template-columns:repeat(5,1fr);}
}
@media (max-width:991px){
  .g-6{grid-template-columns:repeat(4,1fr);}
  .g-5{grid-template-columns:repeat(4,1fr);}
  .g-4{grid-template-columns:repeat(3,1fr);}
  .flip{height:238px;}
}
@media (max-width:767px){
  .g-6,.g-5{grid-template-columns:repeat(3,1fr);}
  .g-4{grid-template-columns:repeat(2,1fr);}
  .flip{height:212px;}
  .hero-inner{padding:30px 0 26px;}
  .hero-stats{gap:18px;}
  .hero-stats b{font-size:20px;}
  .sec{padding:26px 0 8px;}
}
@media (max-width:420px){
  .g-6,.g-5{grid-template-columns:repeat(2,1fr);}
  .flip{height:236px;}
}

/* --- 子页面追加 --- */
/* 本页专属少量补充，沿用站点变量 */
  .about-hero {
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:44px 32px;
    position:relative;
    overflow:hidden;
  }
.about-hero::before {
    content:"";
    position:absolute;
    right:-80px;top:-80px;
    width:260px;height:260px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(244,114,182,.20),transparent 70%);
  }
.about-hero h1 {
    font-size:clamp(1.6rem,3.6vw,2.5rem);
    font-weight:800;
    line-height:1.3;
    margin-bottom:16px;
    position:relative;
  }
.about-hero h1 em {
    font-style:normal;
    color:var(--main);
  }
.about-hero p {
    color:var(--muted);
    font-size:1.02rem;
    line-height:1.85;
    max-width:760px;
    margin-bottom:0;
    position:relative;
  }
.about-tags {
    display:flex;flex-wrap:wrap;gap:10px;
    margin-top:22px;position:relative;
  }
.about-tags span {
    font-size:.82rem;
    padding:6px 14px;
    border-radius:999px;
    background:rgba(244,114,182,.10);
    color:var(--main);
    border:1px solid var(--line);
    font-weight:600;
  }
.about-card {
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:26px 24px;
    height:100%;
    transition:transform .2s ease, box-shadow .2s ease;
  }
.about-card:hover {
    transform:translateY(-3px);
    box-shadow:0 6px 20px rgba(244,114,182,.18);
  }
.about-card .ic {
    width:44px;height:44px;
    border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(251,191,36,.14);
    color:var(--accent);
    font-size:1.15rem;
    margin-bottom:14px;
  }
.about-card h3 {
    font-size:1.05rem;
    font-weight:700;
    color:var(--text);
    margin-bottom:10px;
  }
.about-card p {
    font-size:.92rem;
    line-height:1.8;
    color:var(--muted);
    margin:0;
  }
.about-copy p {
    font-size:.98rem;
    line-height:1.95;
    color:var(--text);
    margin-bottom:16px;
  }
.about-copy p strong {color:var(--main);}
.about-note {
    background:rgba(251,191,36,.10);
    border-left:4px solid var(--accent);
    border-radius:var(--radius);
    padding:18px 20px;
    font-size:.92rem;
    line-height:1.85;
    color:var(--text);
  }
.about-list {
    list-style:none;padding:0;margin:0;
  }
.about-list li {
    position:relative;
    padding-left:28px;
    font-size:.95rem;
    line-height:1.85;
    color:var(--text);
    margin-bottom:12px;
  }
.about-list li::before {
    content:"\f00c";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    position:absolute;
    left:0;top:2px;
    color:var(--main);
    font-size:.8rem;
  }
.about-list li b {color:var(--main);}
.about-cta {
    background:linear-gradient(135deg,rgba(244,114,182,.14),rgba(251,191,36,.12));
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:34px 28px;
    text-align:center;
  }
.about-cta h2 {
    font-size:1.35rem;
    font-weight:800;
    color:var(--text);
    margin-bottom:12px;
  }
.about-cta p {
    color:var(--muted);
    font-size:.95rem;
    line-height:1.8;
    max-width:620px;
    margin:0 auto 20px;
  }
.about-cta .btns {
    display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
  }
.about-cta a {
    display:inline-block;
    padding:11px 26px;
    border-radius:999px;
    font-weight:700;
    font-size:.92rem;
    text-decoration:none;
    transition:all .2s ease;
  }
.about-cta a.primary {
    background:var(--main);
    color:#fff;
    box-shadow:0 4px 14px rgba(244,114,182,.35);
  }
.about-cta a.primary:hover {background:#ec5aa6;}
.about-cta a.ghost {
    background:var(--card);
    color:var(--main);
    border:1px solid var(--main);
  }
.about-cta a.ghost:hover {background:rgba(244,114,182,.08);}
.about-hero {padding:30px 20px;}
.about-card {padding:22px 18px;}

/* --- 子页面追加 --- */
.page-hero {padding:56px 0 28px;position:relative;overflow:hidden}
.page-hero h1 {font-size:clamp(24px,4vw,40px);font-weight:800;letter-spacing:-.5px;margin:0 0 12px;color:var(--text)}
.page-hero h1 .hl {color:var(--main)}
.page-hero p {color:var(--muted);max-width:760px;margin:0;font-size:15px;line-height:1.8}
.crumb {font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a {color:var(--main);text-decoration:none}
.crumb a:hover {text-decoration:underline}
.doc-wrap {display:grid;grid-template-columns:260px 1fr;gap:28px;padding:8px 0 60px}
.toc {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 16px;align-self:start;position:sticky;top:84px}
.toc h3 {font-size:14px;font-weight:700;margin:0 0 12px;color:var(--text);letter-spacing:.3px}
.toc a {display:block;font-size:13.5px;color:var(--muted);text-decoration:none;padding:7px 10px;border-radius:6px;line-height:1.5;border-left:2px solid transparent}
.toc a:hover {background:#fff0f4;color:var(--main);border-left-color:var(--main)}
.doc-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px 32px}
.doc-card section+section {margin-top:34px;padding-top:30px;border-top:1px dashed var(--line)}
.doc-card h2 {font-size:19px;font-weight:800;color:var(--text);margin:0 0 14px;display:flex;align-items:center;gap:10px;letter-spacing:-.2px}
.doc-card h2 i {color:var(--main);font-size:16px}
.doc-card h3 {font-size:15.5px;font-weight:700;color:var(--text);margin:20px 0 10px}
.doc-card p {font-size:14.5px;line-height:1.95;color:#6b4550;margin:0 0 12px}
.doc-card ul {margin:0 0 12px;padding-left:20px}
.doc-card li {font-size:14.5px;line-height:1.95;color:#6b4550;margin-bottom:8px}
.doc-card strong {color:var(--text);font-weight:700}
.note {background:linear-gradient(135deg,#fff7fa,#fff);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:6px;padding:14px 18px;margin:16px 0;font-size:14px;line-height:1.85;color:#6b4550}
.note b {color:var(--text)}
.meta-line {font-size:12.5px;color:var(--muted);margin-top:6px}
.tag-row {display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag-row .pill {font-size:12px}
.doc-wrap {grid-template-columns:1fr}
.toc {position:static}
.doc-card {padding:22px 18px}

/* --- 子页面追加 --- */
.guide-wrap {max-width:1080px;margin:0 auto;padding:0 20px}
.guide-lead {color:var(--muted);font-size:1.02rem;line-height:1.9;max-width:760px}
.guide-toc {display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 8px}
.guide-toc a {display:inline-block;font-size:.85rem;padding:7px 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--text);text-decoration:none;box-shadow:var(--shadow);transition:.2s}
.guide-toc a:hover {background:var(--main);color:#fff;border-color:var(--main)}
.guide-sec {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 26px 22px;margin-bottom:22px;scroll-margin-top:90px}
.guide-sec h2 {font-size:1.22rem;font-weight:800;margin:0 0 14px;color:var(--text);display:flex;align-items:center;gap:10px;line-height:1.5}
.guide-sec h2 i {color:var(--main);font-size:1rem}
.guide-sec p {color:var(--text);font-size:.95rem;line-height:1.95;margin:0 0 12px}
.guide-sec p:last-child {margin-bottom:0}
.guide-sec strong {color:var(--main);font-weight:700}
.step-list {list-style:none;padding:0;margin:6px 0 0;counter-reset:gs}
.step-list li {position:relative;padding:0 0 16px 46px;counter-increment:gs;font-size:.94rem;line-height:1.9;color:var(--text)}
.step-list li::before {content:counter(gs);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-weight:800;font-size:.85rem;display:flex;align-items:center;justify-content:center;font-family:'Inter',sans-serif}
.step-list li:last-child {padding-bottom:0}
.step-list b {color:var(--text);font-weight:700}
.qa {border-top:1px dashed var(--line);padding-top:14px;margin-top:14px}
.qa:first-of-type {border-top:0;padding-top:0;margin-top:0}
.qa h3 {font-size:.98rem;font-weight:700;margin:0 0 6px;color:var(--text)}
.qa h3::before {content:"Q ";color:var(--accent);font-weight:900}
.qa p {color:var(--muted);font-size:.9rem;line-height:1.85;margin:0}
.tip-box {background:rgba(244,114,182,.07);border-left:3px solid var(--main);border-radius:0 var(--radius) var(--radius) 0;padding:12px 16px;font-size:.88rem;line-height:1.85;color:var(--text);margin-top:14px}
.tip-box b {color:var(--main)}
.guide-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:6px}
.guide-card {border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;background:var(--bg)}
.guide-card h3 {font-size:.95rem;font-weight:800;margin:0 0 8px;color:var(--text);display:flex;align-items:center;gap:8px}
.guide-card h3 i {color:var(--accent)}
.guide-card p {font-size:.87rem;line-height:1.8;color:var(--muted);margin:0}
.guide-grid {grid-template-columns:1fr}
.guide-sec {padding:20px 18px}
.guide-sec h2 {font-size:1.08rem}