:root{
  --brand:#2563eb;
  --accent:#06b6d4;
  --bg:#f4f8ff;
  --ink:#0f1e3d;
  --ink-soft:#41527a;
  --card:#ffffff;
  --line:#dbe6fa;
  --gold:#d99a12;
  --silver:#8e9bb3;
  --bronze:#b5723c;
  --shadow-lg:0 18px 40px -14px rgba(15,30,61,.28), 0 6px 14px -6px rgba(15,30,61,.16);
  --shadow-sm:0 8px 18px -8px rgba(15,30,61,.26);
  --radius:18px;
}
*{box-sizing:border-box}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 90% -10%, rgba(6,182,212,.16), transparent 60%),
    radial-gradient(900px 520px at 5% 5%, rgba(37,99,235,.14), transparent 62%),
    var(--bg);
  color:var(--ink);
  font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.85;
  letter-spacing:.01em;
}
h1,h2,h3,h4,.hand{
  font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-weight:800;
  letter-spacing:-.01em;
}
a{text-decoration:none;color:inherit}
.wrap{max-width:1220px;margin:0 auto;padding:0 18px}

/* ---------- NAV ---------- */
.nav-shell{
  position:sticky;top:0;z-index:1030;
  background:linear-gradient(180deg,#ffffff 0%, #f7fbff 100%);
  box-shadow:0 10px 26px -18px rgba(15,30,61,.55), inset 0 -1px 0 var(--line);
}
.navbar-brand{
  font-weight:900;font-size:1.42rem;color:var(--ink)!important;
  display:flex;align-items:center;gap:8px;
  text-shadow:0 1px 0 #fff;
}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(150deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff;font-size:1rem;
  box-shadow:0 8px 16px -6px rgba(37,99,235,.7), inset 0 2px 0 rgba(255,255,255,.45);
}
.nav-link{
  font-weight:600;color:var(--ink-soft)!important;
  padding:.5rem .85rem!important;border-radius:999px;
  transition:.2s;
}
.nav-link:hover{color:var(--brand)!important;background:rgba(37,99,235,.08)}
.navbar-toggler{border:1px solid var(--line);border-radius:12px}
.navbar-toggler:focus{box-shadow:0 0 0 .2rem rgba(37,99,235,.22)}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  border-radius:26px;
  margin:26px 0 12px;
  padding:66px 40px 62px;
  background:linear-gradient(135deg,#eaf2ff 0%, #ffffff 45%, #e6fbff 100%);
  box-shadow:var(--shadow-lg), inset 0 1px 0 #fff;
  border:1px solid #fff;
}
.hero-bg{
  position:absolute;inset:-14% -6% -18% -6%;
  background:
    radial-gradient(520px 320px at 18% 28%, rgba(37,99,235,.24), transparent 65%),
    radial-gradient(460px 300px at 78% 72%, rgba(6,182,212,.26), transparent 68%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.55) 0 2px, transparent 2px 9px);
  transform:translate3d(0,var(--py,0px),0) scale(1.06);
  transition:transform .12s linear;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.hero h1{
  font-size:clamp(1.9rem,4.4vw,3.05rem);
  line-height:1.32;margin:14px 0 14px;
  color:var(--ink);
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--brand),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead-sub{
  color:var(--ink-soft);font-size:1.08rem;max-width:660px;margin-bottom:26px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;font-size:.86rem;font-weight:700;color:var(--brand);
  box-shadow:var(--shadow-sm);
}
.btn-ice{
  background:linear-gradient(145deg,var(--brand),#1d4ed8);
  color:#fff;border:none;border-radius:999px;padding:13px 30px;font-weight:700;
  box-shadow:0 14px 26px -12px rgba(37,99,235,.9), inset 0 2px 0 rgba(255,255,255,.35);
  transition:.2s;
}
.btn-ice:hover{transform:translateY(-2px);color:#fff;box-shadow:0 18px 30px -12px rgba(37,99,235,.95), inset 0 2px 0 rgba(255,255,255,.4)}
.btn-ghost{
  background:#fff;color:var(--brand);border:1px solid #c8dcff;border-radius:999px;
  padding:13px 28px;font-weight:700;box-shadow:var(--shadow-sm);transition:.2s;
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--brand);background:#f3f8ff}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;position:relative;z-index:2}
.hero-stats b{display:block;font-size:1.5rem;color:var(--brand);line-height:1.2}
.hero-stats span{font-size:.85rem;color:var(--ink-soft)}

/* ---------- SECTION ---------- */
.section{padding:44px 0 8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.sec-head h2{
  font-size:clamp(1.35rem,2.6vw,1.82rem);margin:0;position:relative;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:14%;height:72%;width:6px;border-radius:6px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
  box-shadow:0 4px 10px -3px rgba(37,99,235,.75);
}
.sec-head .sub{color:var(--ink-soft);font-size:.92rem;margin:6px 0 0;padding-left:16px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);color:var(--ink-soft);
  padding:7px 15px;border-radius:999px;font-size:.84rem;font-weight:600;
  box-shadow:var(--shadow-sm);transition:.18s;
}
.chip:hover{color:var(--brand);border-color:#bcd6ff;transform:translateY(-2px)}
.chip.active{background:linear-gradient(140deg,var(--brand),#3b82f6);color:#fff;border-color:transparent}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}

/* ---------- POSTER GRID ---------- */
.poster-grid{
  display:grid;width:100%;gap:20px;
  grid-template-columns:repeat(2,minmax(0,1fr));
}
@media(min-width:576px){.poster-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:992px){.poster-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(min-width:1200px){.poster-grid{grid-template-columns:repeat(6,minmax(0,1fr))}}
.pcard{
  background:var(--card);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm), inset 0 1px 0 #fff;
  border:1px solid #eef4ff;
  transition:transform .22s ease, box-shadow .22s ease;
  position:relative;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg), inset 0 1px 0 #fff}
.thumb{position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;background:linear-gradient(160deg,#dbe9ff,#eefbff)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.pcard:hover .thumb img{transform:scale(1.06)}
.play{
  position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(15,30,61,.05),rgba(15,30,61,.42));
  opacity:0;transition:opacity .25s ease;
}
.pcard:hover .play{opacity:1}
.play i{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand),var(--accent));color:#fff;font-size:1.05rem;
  box-shadow:0 12px 24px -8px rgba(15,30,61,.75), inset 0 2px 0 rgba(255,255,255,.4);
}
.tag-corner{
  position:absolute;top:10px;left:10px;z-index:3;
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:.72rem;font-weight:800;padding:3px 10px;border-radius:999px;
  box-shadow:0 6px 14px -6px rgba(15,30,61,.6);
}
.pcard-body{padding:12px 14px 15px}
.pcard-body h3{
  font-size:.98rem;margin:0 0 4px;font-weight:700;line-height:1.45;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.pcard-body .meta{font-size:.8rem;color:var(--ink-soft);display:flex;justify-content:space-between;gap:8px}
.score{color:var(--gold);font-weight:800}

/* ---------- TABLE ---------- */
.cmp-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);
}
.cmp-table th,.cmp-table td{padding:14px 16px;font-size:.92rem;border-bottom:1px solid #eef4ff;vertical-align:middle}
.cmp-table thead th{
  background:linear-gradient(180deg,#eef5ff,#e3efff);color:var(--ink);font-weight:800;font-size:.9rem;
}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr:hover td{background:#f8fbff}
.cmp-table td:first-child{font-weight:700}

/* ---------- RANK ---------- */
.rank-list{display:grid;gap:14px}
.rank-item{
  display:flex;align-items:center;gap:16px;
  background:#fff;border-radius:16px;padding:14px 18px;
  box-shadow:var(--shadow-sm);border:1px solid #eef4ff;transition:.2s;
}
.rank-item:hover{transform:translateX(5px);box-shadow:var(--shadow-lg)}
.medal{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;display:grid;place-items:center;
  font-weight:900;color:#fff;font-size:1.02rem;
  box-shadow:inset 0 2px 0 rgba(255,255,255,.45), 0 8px 16px -8px rgba(15,30,61,.7);
}
.m1{background:linear-gradient(150deg,#f2c14e,#d99a12)}
.m2{background:linear-gradient(150deg,#c3cede,#8e9bb3)}
.m3{background:linear-gradient(150deg,#d99a72,#b5723c)}
.mn{background:linear-gradient(150deg,#8fb6ff,#2563eb)}
.rank-info{flex:1;min-width:0}
.rank-info b{display:block;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info span{font-size:.83rem;color:var(--ink-soft)}
.rank-bar{flex:0 0 120px;height:8px;border-radius:999px;background:#e8f0ff;overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
@media(max-width:575px){.rank-bar{display:none}}

/* ---------- STEPS ---------- */
.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:14px}
.steps li{
  counter-increment:s;position:relative;padding:16px 18px 16px 62px;
  background:#fff;border-radius:16px;box-shadow:var(--shadow-sm);border:1px solid #eef4ff;
  color:var(--ink-soft);font-size:.95rem;
}
.steps li::before{
  content:counter(s);position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand),var(--accent));color:#fff;font-weight:800;font-size:.9rem;
  box-shadow:0 8px 16px -8px rgba(37,99,235,.9);
}
.steps li b{color:var(--ink)}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border-radius:16px;padding:18px 22px;margin-bottom:14px;
  box-shadow:var(--shadow-sm);border:1px solid #eef4ff;
}
.faq-item h3{font-size:1.02rem;margin:0 0 8px;color:var(--brand)}
.faq-item p{margin:0;color:var(--ink-soft);font-size:.94rem}

/* ---------- FRIEND LINKS ---------- */
.friend-box{
  background:linear-gradient(150deg,#ffffff,#f2f8ff);
  border:1px solid var(--line);border-radius:22px;padding:26px 24px;
  box-shadow:var(--shadow-sm);
}
.friend-box h2{font-size:1.1rem;margin:0 0 10px}
.friend-box .links{color:var(--ink-soft);font-size:.92rem;word-break:break-all;line-height:2.1}

/* ---------- FOOTER ---------- */
footer.site-foot{
  margin-top:52px;padding:42px 0 30px;
  background:linear-gradient(180deg,#ffffff,#eaf2ff);
  border-top:1px solid var(--line);
}
footer.site-foot h4{font-size:1rem;font-weight:800;margin-bottom:12px}
footer.site-foot p,footer.site-foot li{color:var(--ink-soft);font-size:.9rem}
footer.site-foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer.site-foot a:hover{color:var(--brand)}
.foot-bottom{
  margin-top:26px;padding-top:18px;border-top:1px dashed #cbdcf7;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--ink-soft);font-size:.85rem;
}

/* ---------- BACK TO TOP ---------- */
#toTop{
  position:fixed;right:20px;bottom:24px;z-index:1040;
  width:48px;height:48px;border-radius:16px;border:none;
  background:linear-gradient(150deg,var(--brand),var(--accent));color:#fff;font-size:1.05rem;
  box-shadow:0 16px 28px -12px rgba(37,99,235,.95), inset 0 2px 0 rgba(255,255,255,.4);
  opacity:0;pointer-events:none;transform:translateY(14px);transition:.28s;
}
#toTop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
#toTop:hover{transform:translateY(-3px)}

html{scroll-behavior:smooth;scroll-padding-top:82px}

/* --- 子页面追加 --- */
.guide-lead {font-size:1.06rem;color:var(--ink-soft);line-height:1.9;max-width:820px}
.step-list {list-style:none;padding:0;margin:0;counter-reset:step}
.step-list>li {position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px 22px 74px;margin-bottom:16px;box-shadow:var(--shadow-sm)}
.step-list>li::before {counter-increment:step;content:counter(step);position:absolute;left:22px;top:22px;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.98rem}
.step-list h3 {font-size:1.06rem;font-weight:800;color:var(--ink);margin:0 0 8px}
.step-list p {margin:0;color:var(--ink-soft);line-height:1.85;font-size:.96rem}
.tip-box {background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:14px;padding:18px 20px;margin:18px 0;box-shadow:var(--shadow-sm)}
.tip-box h4 {margin:0 0 6px;font-size:.98rem;font-weight:800;color:var(--ink)}
.tip-box p {margin:0;color:var(--ink-soft);font-size:.93rem;line-height:1.8}
.guide-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.guide-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);height:100%}
.guide-card .ic {width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(37,99,235,.14),rgba(6,182,212,.16));color:var(--brand);font-size:1.15rem;margin-bottom:14px}
.guide-card h3 {font-size:1.02rem;font-weight:800;color:var(--ink);margin:0 0 8px}
.guide-card p {margin:0;color:var(--ink-soft);font-size:.93rem;line-height:1.82}
.quick-nav {display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.quick-nav a {display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--ink);font-size:.9rem;font-weight:600;text-decoration:none;box-shadow:var(--shadow-sm);transition:.2s}
.quick-nav a:hover {background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.cmp-note {color:var(--ink-soft);font-size:.9rem;line-height:1.8;margin-top:10px}
.faq-item:last-child {border-bottom:0}
.step-list>li {padding:56px 18px 20px 18px}
.step-list>li::before {top:16px;left:18px}

/* --- 子页面追加 --- */
/* 仅本页专属的少量补充样式，复用站点变量 */
  .map-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
.map-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px 22px;height:100%;transition:transform .25s ease,box-shadow .25s ease;}
.map-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.map-card h3 {font-size:1.12rem;font-weight:800;color:var(--ink);margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.map-card h3 i {color:var(--brand);}
.map-card .map-desc {color:var(--ink-soft);font-size:.9rem;line-height:1.7;margin-bottom:16px;}
.map-list {list-style:none;padding:0;margin:0;}
.map-list li {margin-bottom:9px;}
.map-list a {display:flex;align-items:center;gap:10px;color:var(--ink-soft);text-decoration:none;font-size:.93rem;padding:8px 12px;border-radius:12px;border:1px solid transparent;transition:all .2s ease;}
.map-list a:hover {background:var(--bg);border-color:var(--line);color:var(--brand);}
.map-list a i {font-size:.8rem;color:var(--accent);width:14px;text-align:center;}
.map-list .map-tag {margin-left:auto;font-size:.72rem;color:var(--silver);font-weight:600;}
.map-note {background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:14px;padding:18px 22px;color:var(--ink-soft);font-size:.93rem;line-height:1.85;box-shadow:var(--shadow-sm);}
.map-note strong {color:var(--ink);}
.map-flow {display:flex;flex-wrap:wrap;gap:12px;align-items:center;color:var(--ink-soft);font-size:.9rem;}
.map-flow .step {background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-weight:600;color:var(--ink);}
.map-flow i {color:var(--brand);}

/* --- 子页面追加 --- */
.about-hero-lead {max-width:760px;margin:14px auto 0;color:var(--ink-soft);font-size:1.05rem;line-height:1.9;}
.about-block {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px 24px;height:100%;}
.about-block h3 {font-size:1.12rem;font-weight:800;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;gap:10px;}
.about-block h3 i {color:var(--brand);}
.about-block p {color:var(--ink-soft);line-height:1.9;margin-bottom:10px;font-size:.96rem;}
.about-block p:last-child {margin-bottom:0;}
.about-num {font-weight:900;color:var(--brand);font-size:1.5rem;line-height:1;letter-spacing:-.02em;}
.about-stat {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px 18px;text-align:center;height:100%;}
.about-stat span {display:block;color:var(--ink-soft);font-size:.86rem;margin-top:8px;letter-spacing:.02em;}
.about-timeline {position:relative;padding-left:26px;}
.about-timeline::before {content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line);}
.about-tl-item {position:relative;padding-bottom:22px;}
.about-tl-item:last-child {padding-bottom:0;}
.about-tl-item::before {content:"";position:absolute;left:-25px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(37,99,235,.14);}
.about-tl-item h4 {font-size:1rem;font-weight:800;color:var(--ink);margin-bottom:6px;}
.about-tl-item p {color:var(--ink-soft);font-size:.94rem;line-height:1.85;margin:0;}
.about-list {list-style:none;padding:0;margin:0;}
.about-list li {color:var(--ink-soft);font-size:.95rem;line-height:1.95;padding-left:26px;position:relative;}
.about-list li::before {content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:0;color:var(--accent);font-size:.8rem;}
.about-note {background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(6,182,212,.08));border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;}
.about-note p {color:var(--ink-soft);line-height:1.9;margin:0;font-size:.96rem;}

/* --- 子页面追加 --- */
.doc-hero {padding:52px 0 30px;}
.doc-hero h1 {font-size:clamp(1.6rem,3.4vw,2.5rem);font-weight:800;color:var(--ink);letter-spacing:-.4px;line-height:1.25;}
.doc-hero p {color:var(--ink-soft);max-width:760px;font-size:1.02rem;line-height:1.85;}
.doc-grid {display:grid;grid-template-columns:1fr;gap:20px;}
.doc-grid {grid-template-columns:220px 1fr;gap:34px;align-items:start;}
.doc-nav {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:16px;position:sticky;top:88px;}
.doc-nav h4 {font-size:.82rem;letter-spacing:1.4px;text-transform:uppercase;color:var(--silver);font-weight:700;margin:0 0 10px 6px;}
.doc-nav a {display:block;padding:8px 10px;border-radius:10px;color:var(--ink-soft);text-decoration:none;font-size:.92rem;font-weight:500;transition:.2s;}
.doc-nav a:hover {background:rgba(37,99,235,.08);color:var(--brand);}
.doc-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:28px;margin-bottom:20px;scroll-margin-top:90px;}
.doc-card h2 {font-size:1.22rem;font-weight:800;color:var(--ink);margin:0 0 14px;display:flex;align-items:center;gap:10px;line-height:1.4;}
.doc-card h2 i {color:var(--brand);font-size:1rem;}
.doc-card h3 {font-size:1rem;font-weight:700;color:var(--ink);margin:20px 0 8px;}
.doc-card p,.doc-card li {color:var(--ink-soft);line-height:1.9;font-size:.955rem;}
.doc-card p {margin-bottom:12px;}
.doc-card ul,.doc-card ol {padding-left:20px;margin-bottom:12px;}
.doc-card li {margin-bottom:6px;}
.doc-card strong {color:var(--ink);font-weight:700;}
.doc-card a {color:var(--brand);text-decoration:none;font-weight:600;}
.doc-card a:hover {text-decoration:underline;}
.note-box {background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(6,182,212,.07));border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;padding:14px 18px;margin:16px 0;}
.note-box p {margin:0;font-size:.93rem;}
.doc-meta {display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.doc-meta .chip {font-size:.8rem;}
.doc-foot-note {font-size:.85rem;color:var(--silver);margin-top:8px;}