:root{
  --main:#2563eb;
  --accent:#06b6d4;
  --bg:#f4f8ff;
  --text:#0f1e3d;
  --card:#ffffff;
  --muted:#5b6b8c;
  --line:#dbe6fb;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 10px 30px -12px rgba(37,99,235,.22);
  --shadow-soft:0 6px 22px -10px rgba(15,30,61,.15);
}
*{box-sizing:border-box}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.font-round{
  font-family:'Inter','PingFang SC','Hiragino Sans GB',sans-serif;
  letter-spacing:-.01em;
  font-weight:800;
}
a{text-decoration:none;color:inherit}
.container-x{max-width:1260px;margin:0 auto;padding:0 16px}

/* NAV */
.topbar{
  position:sticky;top:0;z-index:1030;
  background:rgba(244,248,255,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{
  font-weight:900;font-size:21px;color:var(--main);
  display:flex;align-items:center;gap:6px;white-space:nowrap;
}
.brand .ico{font-size:19px}
.nav-links{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  padding:7px 13px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:#31466e;white-space:nowrap;transition:.2s;
}
.nav-links a:hover,.nav-links a.active{background:var(--main);color:#fff;box-shadow:var(--shadow)}
.nav-links a:first-child{background:rgba(37,99,235,.1);color:var(--main)}
.nav-links a:first-child:hover{background:var(--main);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:12px;padding:6px 11px;color:var(--main);font-size:17px}
@media(max-width:860px){
  .nav-toggle{display:block;margin-left:auto}
  .nav-links{
    position:absolute;left:0;right:0;top:64px;flex-direction:column;
    background:#fff;padding:10px 14px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-soft);display:none;gap:2px;
  }
  .nav-links.open{display:flex}
  .nav-links a{border-radius:12px;padding:10px 14px;font-size:14px}
}

/* HERO */
.hero{padding:46px 0 30px;position:relative;overflow:hidden}
.hero:before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.22),transparent 70%);
  top:-160px;right:-80px;pointer-events:none;
}
.hero:after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.18),transparent 70%);
  bottom:-160px;left:-100px;pointer-events:none;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);color:var(--main);
  border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:700;
  box-shadow:var(--shadow-soft);margin-bottom:16px;
}
.hero h1{font-size:clamp(26px,4.2vw,44px);line-height:1.22;font-weight:900;margin:0 0 14px}
.hero h1 em{font-style:normal;color:var(--main);position:relative}
.hero h1 em:after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:9px;
  background:rgba(6,182,212,.3);border-radius:6px;z-index:-1;
}
.hero p.sub{color:var(--muted);font-size:15px;max-width:620px;margin:0 0 22px}
.btn-x{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:14px;font-weight:700;font-size:14.5px;
  transition:.22s;border:1.5px solid transparent;
}
.btn-primary-x{background:linear-gradient(135deg,var(--main),#3b82f6);color:#fff;box-shadow:0 12px 26px -12px rgba(37,99,235,.75)}
.btn-primary-x:hover{transform:translateY(-2px);color:#fff;box-shadow:0 16px 30px -12px rgba(37,99,235,.85)}
.btn-ghost-x{background:#fff;color:var(--main);border-color:var(--line);box-shadow:var(--shadow-soft)}
.btn-ghost-x:hover{transform:translateY(-2px);border-color:var(--main)}
.hero-stats{display:flex;gap:26px;margin-top:28px;flex-wrap:wrap}
.hero-stats div{font-size:12px;color:var(--muted)}
.hero-stats b{display:block;font-size:22px;color:var(--text);font-weight:900;line-height:1.2}

/* SECTION HEAD */
.sec{padding:34px 0 6px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:18px}
.sec-head h2{font-size:clamp(19px,2.3vw,25px);margin:0;display:flex;align-items:center;gap:9px}
.sec-head h2 .fa-solid{color:var(--accent);font-size:.82em}
.sec-head p{margin:5px 0 0;font-size:12.5px;color:var(--muted)}
.more-link{font-size:13px;font-weight:700;color:var(--main);white-space:nowrap}

/* RANK BOARD */
.rank-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(max-width:760px){.rank-wrap{grid-template-columns:1fr}}
.rank-item{
  display:flex;align-items:center;gap:11px;background:var(--card);
  border-radius:var(--r-md);padding:10px 13px;border:1.5px solid transparent;
  box-shadow:var(--shadow-soft);transition:.24s;cursor:pointer;
}
.rank-item:hover{transform:translateY(-2px);border-color:var(--main);box-shadow:var(--shadow)}
.rank-no{
  width:26px;height:26px;border-radius:9px;background:rgba(37,99,235,.1);color:var(--main);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px;flex:0 0 auto;
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#94a3b8,#64748b);color:#fff}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#d97706,#b45309);color:#fff}
.rank-thumb{width:38px;height:50px;border-radius:9px;object-fit:cover;flex:0 0 auto;background:linear-gradient(135deg,#dbeafe,#cffafe)}
.rank-info{flex:1;min-width:0}
.rank-info .t{font-weight:700;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info .m{font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-hot{font-size:11.5px;font-weight:800;color:#ef4444;white-space:nowrap;display:flex;align-items:center;gap:3px}

/* POSTER ROW */
.prow{
  display:grid;grid-auto-flow:column;grid-auto-columns:170px;gap:14px;
  overflow-x:auto;padding:4px 4px 16px;scrollbar-width:thin;scroll-snap-type:x proximity;
}
.prow::-webkit-scrollbar{height:6px}
.prow::-webkit-scrollbar-thumb{background:#c7d9f8;border-radius:99px}
@media(max-width:600px){.prow{grid-auto-columns:140px;gap:11px}}

/* POSTER CARD */
.pcard{
  background:var(--card);border-radius:var(--r-md);overflow:hidden;
  border:1.5px solid transparent;box-shadow:var(--shadow-soft);
  transition:transform .24s,border-color .24s,box-shadow .24s;
  cursor:pointer;position:relative;scroll-snap-align:start;
  opacity:0;transform:translateY(18px);
}
.pcard.in{opacity:1;transform:none;transition:opacity .5s ease,transform .5s ease,border-color .24s,box-shadow .24s}
.pcard:hover{transform:translateY(-4px) scale(1.025);border-color:var(--main);box-shadow:0 18px 34px -16px rgba(37,99,235,.6)}
.pthumb{position:relative;aspect-ratio:2/3;overflow:hidden;background:linear-gradient(135deg,#dbeafe,#cffafe)}
.pthumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.pcard:hover .pthumb img{transform:scale(1.06)}
.corner{
  position:absolute;top:0;left:0;background:linear-gradient(135deg,var(--accent),#0891b2);
  color:#fff;font-size:10.5px;font-weight:800;padding:3px 9px;border-bottom-right-radius:12px;letter-spacing:.02em;
}
.score{
  position:absolute;bottom:7px;right:7px;background:rgba(15,30,61,.82);color:#fbbf24;
  font-size:11px;font-weight:800;padding:2px 7px;border-radius:8px;display:flex;align-items:center;gap:3px;
  backdrop-filter:blur(4px);
}
.score .fa-star{font-size:9px}
.pmeta{padding:9px 10px 11px}
.pmeta .pt{font-size:13px;font-weight:700;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pmeta .ps{font-size:11px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag-lite{
  display:inline-block;font-size:10px;font-weight:700;color:var(--main);
  background:rgba(37,99,235,.09);padding:1px 7px;border-radius:6px;margin-right:4px;
}

/* FILTER AREA */
.filter-box{
  background:#fff;border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--shadow-soft);
  border:1px solid var(--line);
}
.filter-row{display:flex;gap:12px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line);flex-wrap:wrap}
.filter-row:last-child{border-bottom:none}
.filter-row .lb{font-weight:800;font-size:12.5px;color:var(--muted);flex:0 0 52px;padding-top:5px}
.filter-opts{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.fbtn{
  padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--bg);color:#3a4f75;border:1px solid transparent;transition:.2s;
}
.fbtn:hover{border-color:var(--main);color:var(--main)}
.fbtn.on{background:var(--main);color:#fff;box-shadow:0 6px 14px -6px rgba(37,99,235,.8)}

.grid-posters{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:14px;margin-top:20px}
@media(max-width:480px){.grid-posters{grid-template-columns:repeat(auto-fill,minmax(136px,1fr));gap:10px}}

/* FEATURE CARDS GRID / 专题 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.feature-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.feature-grid{grid-template-columns:1fr}}
.fcard{
  background:#fff;border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-soft);
  border:1.5px solid transparent;transition:.24s;position:relative;overflow:hidden;
}
.fcard:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.fcard .fic{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(37,99,235,.14),rgba(6,182,212,.18));
  color:var(--main);font-size:18px;margin-bottom:13px;
}
.fcard h3{font-size:16px;margin:0 0 8px}
.fcard p{font-size:12.8px;color:var(--muted);margin:0 0 12px}
.fcard .fl{font-size:12px;font-weight:700;color:var(--main)}

/* STEPS 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;position:relative}
@media(max-width:820px){.steps{grid-template-columns:1fr;gap:12px}}
.step{position:relative;padding:0 14px;text-align:center}
.step:before{
  content:"";position:absolute;top:19px;left:-50%;right:50%;height:2px;
  background:linear-gradient(90deg,rgba(37,99,235,.15),rgba(6,182,212,.45));z-index:0;
}
.step:first-child:before{display:none}
@media(max-width:820px){.step:before{display:none}}
.step-n{
  width:38px;height:38px;border-radius:12px;background:#fff;border:2px solid var(--main);
  color:var(--main);font-weight:900;display:flex;align-items:center;justify-content:center;
  margin:0 auto 10px;position:relative;z-index:1;font-size:14px;box-shadow:var(--shadow-soft);
}
.step h4{font-size:13.5px;margin:0 0 4px}
.step p{font-size:11.8px;color:var(--muted);margin:0}

/* DRAWER MODAL */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,30,61,.5);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:.28s;z-index:1080;
}
.drawer-mask.on{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;left:0;right:0;bottom:0;z-index:1090;
  background:#fff;border-radius:26px 26px 0 0;max-height:88vh;overflow-y:auto;
  transform:translateY(102%);transition:transform .34s cubic-bezier(.32,.72,0,1);
  box-shadow:0 -18px 50px -18px rgba(15,30,61,.4);
}
.drawer.on{transform:translateY(0)}
.drawer-inner{max-width:860px;margin:0 auto;padding:20px 22px 34px;position:relative}
.drawer .grab{width:44px;height:5px;border-radius:99px;background:#dbe6fb;margin:0 auto 16px}
.dclose{
  position:absolute;top:14px;right:16px;width:34px;height:34px;border-radius:50%;
  border:none;background:var(--bg);color:var(--text);font-size:15px;display:flex;
  align-items:center;justify-content:center;transition:.2s;z-index:2;
}
.dclose:hover{background:var(--main);color:#fff}
.dhead{display:flex;gap:16px;align-items:flex-start;margin-bottom:16px;padding-right:38px}
.dhead img{width:92px;aspect-ratio:2/3;object-fit:cover;border-radius:14px;flex:0 0 auto;background:linear-gradient(135deg,#dbeafe,#cffafe)}
.dhead h3{font-size:19px;margin:0 0 7px}
.dmeta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:9px}
.dchip{font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:7px;background:rgba(37,99,235,.09);color:var(--main)}
.dchip.rate{background:rgba(251,191,36,.18);color:#b45309}
.dplot{font-size:13px;color:#3a4f75;line-height:1.75;margin:0 0 14px}
.drow{display:flex;gap:10px;font-size:12.8px;padding:5px 0;border-bottom:1px dashed var(--line)}
.drow:last-of-type{border-bottom:none}
.drow .k{color:var(--muted);flex:0 0 46px;font-weight:700}
.drow .v{color:var(--text);flex:1}
.dplay{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:16px;
  padding:13px;border-radius:15px;border:none;font-weight:800;font-size:14.5px;color:#fff;
  background:linear-gradient(135deg,var(--main),#3b82f6);box-shadow:0 14px 26px -14px rgba(37,99,235,.9);
}
.dplay:hover{filter:brightness(1.06)}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:860px){.rel-grid{grid-template-columns:1fr 1fr}}
.rel-card{
  background:#fff;border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow-soft);
  border:1.5px solid transparent;transition:.23s;display:block;
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.rel-card .rn{font-size:11px;font-weight:800;color:var(--accent);letter-spacing:.06em}
.rel-card h4{font-size:14px;margin:5px 0 6px}
.rel-card p{font-size:12px;color:var(--muted);margin:0}

/* FRIEND LINKS */
.oflinks{
  background:#fff;border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--shadow-soft);
  border:1px solid var(--line);
}
.oflinks h3{font-size:14.5px;margin:0 0 10px;display:flex;align-items:center;gap:7px}
.oflinks h3 .fa-solid{color:var(--accent);font-size:.85em}
.oflinks .lnk{font-size:12.5px;color:var(--muted);line-height:2;word-break:break-all}

/* FOOTER */
footer{margin-top:44px;background:#fff;border-top:1px solid var(--line);padding:34px 0 24px}
.fcol h4{font-size:13.5px;margin:0 0 10px;font-weight:800}
.fcol a,.fcol p{display:block;font-size:12.5px;color:var(--muted);margin:0 0 7px;transition:.2s}
.fcol a:hover{color:var(--main)}
.fcopy{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* BACK TO TOP */
#toTop{
  position:fixed;right:18px;bottom:22px;width:46px;height:46px;border-radius:15px;
  border:none;background:var(--main);color:#fff;font-size:16px;z-index:1040;
  box-shadow:0 12px 26px -10px rgba(37,99,235,.9);
  opacity:0;transform:translateY(16px);pointer-events:none;transition:.3s;
}
#toTop.on{opacity:1;transform:none;pointer-events:auto}
#toTop:hover{background:#1d4ed8}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* --- 子页面追加 --- */
/* 本页专属少量样式，沿用首页配色变量 */
  .about-lead {
    font-size:16px;line-height:1.95;color:var(--muted);max-width:820px;
  }
.about-lead strong {color:var(--text);font-weight:700;}
.about-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:26px;}
.about-card {
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    padding:24px 24px 22px;box-shadow:var(--shadow-soft);
    transition:transform .2s ease, box-shadow .2s ease;
  }
.about-card:hover {transform:translateY(-3px);box-shadow:var(--shadow);}
.about-card .ico {
    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-card h3 {
    font-size:17px;font-weight:700;color:var(--text);margin:0 0 10px;line-height:1.5;
  }
.about-card p {
    font-size:14px;line-height:1.85;color:var(--muted);margin:0;
  }
.about-body h2 {
    font-size:22px;font-weight:800;color:var(--text);margin:0 0 6px;letter-spacing:-.3px;
  }
.about-body h2 .hl {
    background:linear-gradient(135deg,var(--main),var(--accent));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
.about-block {margin-top:44px;}
.about-body p {font-size:15px;line-height:1.95;color:var(--muted);margin:12px 0;}
.flow-list {list-style:none;padding:0;margin:20px 0 0;counter-reset:fl;}
.flow-list li {
    position:relative;padding:14px 18px 14px 58px;background:var(--card);
    border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;
    font-size:14.5px;line-height:1.8;color:var(--muted);
  }
.flow-list li::before {
    counter-increment:fl;content:counter(fl);
    position:absolute;left:16px;top:14px;width:28px;height:28px;border-radius:9px;
    background:rgba(37,99,235,.1);color:var(--main);font-weight:800;font-size:13px;
    display:flex;align-items:center;justify-content:center;
  }
.flow-list li strong {color:var(--text);}
.about-note {
    margin-top:34px;padding:22px 24px;border-radius:var(--r-md);
    background:linear-gradient(135deg,rgba(37,99,235,.07),rgba(6,182,212,.07));
    border:1px solid var(--line);font-size:14px;line-height:1.9;color:var(--muted);
  }
.about-note strong {color:var(--text);}
.about-note a {color:var(--main);font-weight:600;text-decoration:none;}
.about-note a:hover {text-decoration:underline;}
.stat-row {display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px;}
.stat-cell {
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
    padding:18px 16px;text-align:center;box-shadow:var(--shadow-soft);
  }
.stat-cell b {display:block;font-size:22px;font-weight:800;color:var(--main);letter-spacing:-.5px;}
.stat-cell span {display:block;font-size:12.5px;color:var(--muted);margin-top:6px;}
.about-grid {grid-template-columns:1fr;}
.stat-row {grid-template-columns:repeat(2,1fr);}

/* --- 子页面追加 --- */
.guide-lead {max-width:760px;margin:0 auto;text-align:center;color:var(--muted);font-size:1.02rem;line-height:1.9}
.guide-steps {display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.gstep {background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;box-shadow:var(--shadow-soft);position:relative;transition:.25s ease}
.gstep:hover {transform:translateY(-4px);box-shadow:var(--shadow)}
.gstep .gnum {width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--main),var(--accent));margin-bottom:14px}
.gstep h3 {font-size:1.08rem;font-weight:800;color:var(--text);margin:0 0 8px}
.gstep p {color:var(--muted);font-size:.94rem;line-height:1.8;margin:0}
.guide-card {background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;box-shadow:var(--shadow-soft)}
.guide-card h3 {font-size:1.12rem;font-weight:800;color:var(--text);margin:0 0 14px;display:flex;align-items:center;gap:10px}
.guide-card h3 i {color:var(--main)}
.guide-list {list-style:none;padding:0;margin:0}
.guide-list li {position:relative;padding-left:26px;margin-bottom:12px;color:var(--muted);line-height:1.8;font-size:.95rem}
.guide-list li::before {content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--accent);font-size:.82rem}
.guide-list li strong {color:var(--text);font-weight:700}
.faq-item {border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);padding:20px 22px;margin-bottom:14px;box-shadow:var(--shadow-soft)}
.faq-item h3 {font-size:1rem;font-weight:800;color:var(--text);margin:0 0 8px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 i {color:var(--accent);margin-top:3px}
.faq-item p {color:var(--muted);font-size:.94rem;line-height:1.85;margin:0}
.tip-band {background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.1));border:1px solid var(--line);border-radius:var(--r-md);padding:24px 26px;display:flex;gap:16px;align-items:flex-start}
.tip-band i {color:var(--main);font-size:1.4rem;margin-top:2px}
.tip-band p {margin:0;color:var(--text);line-height:1.85;font-size:.96rem}
.tip-band p span {color:var(--muted)}
.guide-steps {grid-template-columns:1fr}

/* --- 子页面追加 --- */
.rank-hero {padding:56px 0 28px;}
.rank-hero h1 {font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.5px;margin:18px 0 14px;color:var(--text);}
.rank-hero p {color:var(--muted);max-width:760px;font-size:16px;line-height:1.85;margin:0;}
.rule-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:8px;}
.rule-card {background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 22px 20px;box-shadow:var(--shadow-soft);height:100%;}
.rule-card .rc-icon {width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-size:17px;margin-bottom:14px;}
.rule-card h3 {font-size:17px;font-weight:700;color:var(--text);margin:0 0 8px;}
.rule-card p {font-size:14px;line-height:1.8;color:var(--muted);margin:0;}
.weight-list {display:flex;flex-direction:column;gap:14px;margin-top:6px;}
.weight-row {background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px;box-shadow:var(--shadow-soft);}
.weight-top {display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;font-size:14px;}
.weight-top b {color:var(--text);font-weight:600;}
.weight-top span {color:var(--main);font-weight:700;font-variant-numeric:tabular-nums;}
.weight-bar {height:8px;border-radius:99px;background:#e8f0ff;overflow:hidden;}
.weight-bar i {display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--main),var(--accent));}
.tab-note {display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.tab-note span {font-size:13px;color:var(--main);background:#eaf2ff;border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-weight:500;}
.cta-band {margin-top:34px;background:linear-gradient(135deg,var(--main),var(--accent));border-radius:var(--r-lg);padding:30px 28px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;box-shadow:var(--shadow);}
.cta-band h3 {margin:0 0 6px;font-size:20px;font-weight:800;color:#fff;}
.cta-band p {margin:0;font-size:14px;color:rgba(255,255,255,.86);}
.cta-band .btn-x {background:#fff;color:var(--main);}
.cta-band .btn-x:hover {background:#eef5ff;}

/* --- 子页面追加 --- */
.doc-wrap {max-width:920px;margin:0 auto}
.doc-card {background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);padding:34px 34px 30px}
.doc-card h2 {font-size:22px;font-weight:800;color:var(--text);margin:0 0 12px;line-height:1.4;display:flex;gap:10px;align-items:flex-start}
.doc-card h2 .num {flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-size:14px;font-weight:800;margin-top:2px}
.doc-card h3 {font-size:17px;font-weight:700;color:var(--text);margin:22px 0 8px}
.doc-card p {color:var(--muted);font-size:15px;line-height:1.85;margin:0 0 12px}
.doc-card ul {color:var(--muted);font-size:15px;line-height:1.85;padding-left:20px;margin:0 0 14px}
.doc-card li {margin-bottom:7px}
.doc-card strong {color:var(--text);font-weight:600}
.doc-sec {padding:22px 0;border-bottom:1px dashed var(--line)}
.doc-sec:last-child {border-bottom:none;padding-bottom:4px}
.doc-note {background:linear-gradient(135deg,rgba(37,99,235,.07),rgba(6,182,212,.07));border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;margin:18px 0 6px}
.doc-note p {margin:0;color:var(--text);font-size:14.5px;line-height:1.8}
.doc-note i {color:var(--main);margin-right:8px}
.doc-meta {display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted);margin-top:14px}
.doc-meta span i {color:var(--accent);margin-right:6px}
.doc-jump {display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.doc-jump a {display:inline-block;font-size:13.5px;font-weight:600;color:var(--main);background:rgba(37,99,235,.07);border:1px solid var(--line);border-radius:999px;padding:7px 15px;text-decoration:none;transition:.2s}
.doc-jump a:hover {background:var(--main);color:#fff;border-color:var(--main)}
.doc-foot-links a {color:var(--main);text-decoration:none;font-weight:600}
.doc-foot-links a:hover {text-decoration:underline}
.doc-card {padding:22px 18px 20px;border-radius:var(--r-md)}
.doc-card h2 {font-size:19px}
.doc-card h2 .num {width:26px;height:26px;font-size:13px;border-radius:8px}

/* --- 子页面追加 --- */
.policy-hero {padding:56px 0 34px;}
.policy-hero h1 {font-size:clamp(26px,4vw,40px);font-weight:800;line-height:1.25;margin:14px 0 14px;}
.policy-hero p.lead-x {color:var(--muted);font-size:16px;line-height:1.85;max-width:760px;margin:0;}
.policy-meta {display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.policy-meta span {background:var(--card);border:1px solid var(--line);color:var(--muted);font-size:13px;padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-soft);}
.toc-card {background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:22px 22px 10px;}
.toc-card h3 {font-size:15px;font-weight:700;letter-spacing:.02em;margin:0 0 12px;color:var(--text);}
.toc-card ol {margin:0;padding-left:20px;}
.toc-card li {margin-bottom:9px;font-size:14px;line-height:1.6;}
.toc-card a {color:var(--muted);text-decoration:none;transition:.2s;}
.toc-card a:hover {color:var(--main);}
.policy-block {background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);padding:28px 28px 24px;margin-bottom:22px;}
.policy-block h2 {font-size:20px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:10px;line-height:1.4;}
.policy-block h2 .ico {width:34px;height:34px;flex:0 0 34px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-size:14px;}
.policy-block p {color:var(--muted);font-size:15px;line-height:1.9;margin:0 0 12px;}
.policy-block ul {margin:0 0 12px;padding-left:20px;}
.policy-block li {color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:6px;}
.policy-block li strong {color:var(--text);font-weight:600;}
.policy-note {border-left:3px solid var(--accent);background:rgba(6,182,212,.07);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:14px 16px;color:var(--text);font-size:14px;line-height:1.8;margin:6px 0 4px;}
.data-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:6px 0 8px;}
.data-cell {border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;background:linear-gradient(180deg,#fff, #f8fbff);}
.data-cell h4 {font-size:15px;font-weight:700;margin:0 0 8px;color:var(--text);}
.data-cell p {font-size:14px;margin:0;line-height:1.8;}
.contact-line {display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text);font-weight:600;margin-top:6px;}
.contact-line i {color:var(--main);}
.data-grid {grid-template-columns:1fr;}
.policy-block {padding:22px 18px 18px;}
.toc-card {padding:18px 18px 6px;}