:root{
  --main:#ea580c;
  --accent:#d97706;
  --bg:#fffbf5;
  --text:#1c1917;
  --card:#ffffff;
  --soft:#fdf3e7;
  --line:rgba(234,88,12,.14);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-soft:0 12px 40px -18px rgba(234,88,12,.28),0 4px 14px -8px rgba(28,25,23,.08);
  --shadow-hover:0 22px 56px -20px rgba(234,88,12,.42),0 8px 22px -10px rgba(28,25,23,.12);
  --font-title:"Songti SC","Noto Serif SC","Source Han Serif SC",serif;
  --font-body:"Inter","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:14.5px;
  line-height:1.72;
  overflow-x:hidden;
}
h1,h2,h3,h4,.font-title{font-family:var(--font-title);font-weight:800;letter-spacing:.01em;}
a{text-decoration:none;}
::selection{background:rgba(234,88,12,.22);}

/* 光斑装饰 */
.blob{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:0;}

/* 导航 */
.nav-wrap{
  position:sticky;top:0;z-index:1050;
  background:rgba(255,251,245,.86);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.navbar-brand{
  font-family:var(--font-title);
  font-weight:900;
  font-size:1.28rem;
  color:var(--text)!important;
  display:inline-flex;align-items:center;gap:.42rem;
}
.brand-dot{
  width:32px;height:32px;border-radius:11px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:.86rem;
  box-shadow:0 8px 18px -8px rgba(234,88,12,.75);
}
.nav-link{
  color:#4a423b!important;
  font-weight:600;
  font-size:.88rem;
  padding:.42rem .78rem!important;
  border-radius:12px;
  transition:.22s;
}
.nav-link:hover,.nav-link:focus{color:var(--main)!important;background:rgba(234,88,12,.08);}
.navbar-toggler{border:none;box-shadow:none!important;color:var(--main);font-size:1.15rem;}

/* Hero */
.hero{
  position:relative;
  min-height:82vh;
  display:flex;align-items:center;
  overflow:hidden;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  isolation:isolate;
}
.hero-bg{
  position:absolute;inset:-12% 0 -12% 0;
  background:url('{随机图片}') center/cover no-repeat;
  z-index:-2;
  will-change:transform;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(28,25,23,.86) 0%,rgba(28,25,23,.62) 46%,rgba(234,88,12,.34) 100%);
}
.hero-inner{position:relative;z-index:2;padding:96px 0 78px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:.42rem;
  font-size:.76rem;font-weight:700;letter-spacing:.08em;
  color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  padding:.36rem .84rem;border-radius:100px;
  backdrop-filter:blur(6px);
}
.hero h1{
  color:#fff;
  font-size:clamp(2rem,5.2vw,3.5rem);
  line-height:1.16;
  margin:.9rem 0 .8rem;
  text-shadow:0 6px 30px rgba(0,0,0,.45);
}
.hero h1 em{font-style:normal;color:#fdba74;}
.hero p.lead-txt{
  color:rgba(255,255,255,.87);
  max-width:640px;
  font-size:.98rem;
  line-height:1.85;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.6rem;}
.hero-chip{
  color:#fff;font-size:.78rem;font-weight:600;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  padding:.4rem .8rem;border-radius:100px;
  backdrop-filter:blur(4px);
}
.btn-main{
  background:linear-gradient(135deg,var(--main),var(--accent));
  color:#fff;font-weight:700;font-size:.9rem;
  padding:.74rem 1.55rem;border-radius:14px;border:none;
  box-shadow:0 14px 30px -14px rgba(234,88,12,.85);
  transition:.25s;display:inline-flex;align-items:center;gap:.5rem;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 38px -14px rgba(234,88,12,.95);}
.btn-ghost{
  color:#fff;font-weight:700;font-size:.9rem;
  padding:.72rem 1.45rem;border-radius:14px;
  border:1px solid rgba(255,255,255,.44);
  background:rgba(255,255,255,.08);
  transition:.25s;display:inline-flex;align-items:center;gap:.5rem;
}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;}

/* 通用区块 */
.sec{position:relative;padding:64px 0;}
.sec-head{margin-bottom:30px;}
.sec-kicker{
  font-size:.76rem;font-weight:800;letter-spacing:.14em;
  color:var(--main);text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.42rem;
}
.sec-kicker::before{
  content:"";width:22px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--main),var(--accent));
}
.sec-head h2{font-size:clamp(1.45rem,3.2vw,2.05rem);margin:.55rem 0 .4rem;}
.sec-head p{color:#6b6259;max-width:660px;margin:0;font-size:.88rem;}

/* Bento 网格 */
.bento{display:grid;gap:16px;grid-template-columns:repeat(12,1fr);}
.bento .cell{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:transform .3s,box-shadow .3s;
}
.bento .cell:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}

/* 统计卡片 */
.stat-cell{
  grid-column:span 3;
  display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(160deg,#fff 0%,var(--soft) 100%);
}
.stat-cell .num{
  font-family:var(--font-title);
  font-size:clamp(1.7rem,3.4vw,2.5rem);
  font-weight:900;color:var(--main);line-height:1.05;
}
.stat-cell .num span{font-size:.95rem;color:var(--accent);margin-left:2px;}
.stat-cell .lbl{font-size:.8rem;color:#6b6259;font-weight:600;margin-top:.3rem;}
.stat-cell .mini{font-size:.72rem;color:#a2968a;margin-top:.15rem;}

/* 说明步骤条 */
.steps-wrap{grid-column:span 12;display:grid;gap:16px;grid-template-columns:repeat(4,1fr);}
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 18px;
  box-shadow:var(--shadow-soft);
  position:relative;
  transition:.3s;
}
.step:hover{border-color:rgba(234,88,12,.4);transform:translateY(-3px);}
.step-no{
  width:30px;height:30px;border-radius:10px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  color:#fff;font-weight:800;font-size:.82rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(234,88,12,.9);
}
.step h4{font-size:.95rem;margin:.75rem 0 .35rem;}
.step p{font-size:.79rem;color:#6b6259;margin:0;line-height:1.75;}

/* 特色卡片 */
.feature-grid{grid-column:span 12;display:grid;gap:16px;grid-template-columns:repeat(3,1fr);}
.fcard{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--shadow-soft);
  transition:.3s;
  position:relative;
  overflow:hidden;
}
.fcard::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;
  border-radius:50%;background:radial-gradient(circle,rgba(234,88,12,.14),transparent 70%);
  transition:.4s;
}
.fcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(234,88,12,.34);}
.fcard:hover::after{transform:scale(1.4);}
.fcard .ico{
  width:44px;height:44px;border-radius:14px;
  background:linear-gradient(140deg,rgba(234,88,12,.14),rgba(217,119,6,.1));
  color:var(--main);
  display:flex;align-items:center;justify-content:center;
  font-size:1.05rem;margin-bottom:.85rem;
}
.fcard h4{font-size:1rem;margin:0 0 .4rem;}
.fcard p{font-size:.8rem;color:#6b6259;margin:0;line-height:1.78;}

/* 海报卡片 */
.poster-grid{grid-column:span 12;display:grid;gap:16px;grid-template-columns:repeat(4,1fr);}
.poster{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:.3s;
}
.poster:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.poster-img{
  position:relative;
  aspect-ratio:3/4;
  background:url('{随机图片}') center/cover no-repeat,linear-gradient(140deg,#f6e2cd,#fdf3e7);
  overflow:hidden;
}
.poster-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(28,25,23,.6),rgba(28,25,23,.05) 55%);
  opacity:.85;transition:.3s;
}
.poster:hover .poster-img::after{opacity:.95;}
.play-btn{
  position:absolute;z-index:3;left:50%;top:50%;
  transform:translate(-50%,-50%) scale(.6);
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.94);color:var(--main);
  display:flex;align-items:center;justify-content:center;
  font-size:.95rem;opacity:0;
  transition:.3s cubic-bezier(.2,.8,.3,1.2);
  box-shadow:0 10px 26px -10px rgba(0,0,0,.6);
}
.poster:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1);}
.poster-tag{
  position:absolute;z-index:3;left:10px;top:10px;
  font-size:.68rem;font-weight:800;color:#fff;
  background:rgba(234,88,12,.92);
  padding:.2rem .55rem;border-radius:8px;
}
.poster-body{padding:12px 14px 14px;}
.poster-body h5{font-size:.87rem;margin:0 0 .22rem;font-family:var(--font-body);font-weight:800;}
.poster-body .meta{font-size:.71rem;color:#a2968a;}
.poster-body .rate{
  font-size:.72rem;color:var(--accent);font-weight:800;margin-top:.35rem;
  display:flex;align-items:center;gap:.28rem;
}

/* FAQ */
.faq-wrap{grid-column:span 12;display:grid;gap:14px;grid-template-columns:repeat(2,1fr);}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:0;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:16px 18px;font-weight:800;font-size:.88rem;
  display:flex;align-items:center;justify-content:space-between;gap:.7rem;
  font-family:var(--font-body);
  transition:.2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--main);}
.faq-item summary i{color:var(--main);transition:.3s;font-size:.78rem;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item .ans{
  padding:0 18px 16px;
  font-size:.81rem;color:#6b6259;line-height:1.85;
  border-top:1px dashed var(--line);
  padding-top:12px;margin:0 18px 16px;
}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(125deg,#1c1917 0%,#33241a 52%,#5a2f13 100%);
  padding:52px 34px;
  color:#fff;
  box-shadow:var(--shadow-hover);
}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,3.2vw,2rem);margin-bottom:.5rem;}
.cta-band p{color:rgba(255,255,255,.76);max-width:600px;font-size:.87rem;margin-bottom:1.4rem;}
.cta-band .blob{background:var(--main);opacity:.4;}

/* 友链 & 页脚 */
.friend-box{
  border-radius:var(--r-md);
  border:1px dashed rgba(234,88,12,.36);
  background:rgba(253,243,231,.68);
  padding:18px 20px;
}
.friend-box .ttl{font-size:.82rem;font-weight:800;color:var(--main);display:flex;align-items:center;gap:.4rem;margin-bottom:.5rem;}
.friend-box .flinks{font-size:.79rem;color:#6b6259;word-break:break-all;line-height:2;}
.footer{
  background:#fdf6ee;
  border-top:1px solid var(--line);
  padding:48px 0 26px;
  margin-top:24px;
}
.footer h6{font-size:.85rem;font-weight:800;margin-bottom:.85rem;font-family:var(--font-body);}
.footer a{color:#6b6259;font-size:.8rem;display:block;padding:.15rem 0;transition:.2s;}
.footer a:hover{color:var(--main);}
.footer .desc{font-size:.79rem;color:#8a7f73;line-height:1.85;}
.copyline{
  border-top:1px solid var(--line);
  margin-top:34px;padding-top:18px;
  font-size:.75rem;color:#a2968a;
  display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;
}

/* 动效 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.on{opacity:1;transform:none;}

@media (max-width:991px){
  .stat-cell{grid-column:span 6;}
  .steps-wrap{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .poster-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;}
  .hero{min-height:70vh;}
}
@media (max-width:575px){
  .sec{padding:48px 0;}
  .stat-cell{grid-column:span 6;padding:16px;}
  .steps-wrap,.feature-grid,.poster-grid{grid-template-columns:1fr;}
  .bento .cell{padding:18px;}
  .hero-inner{padding:72px 0 56px;}
  .cta-band{padding:36px 22px;}
}

/* --- 子页面追加 --- */
.rank-tabs {display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px;}
.rank-tab {padding:9px 20px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--text);font-weight:600;font-size:.92rem;cursor:pointer;transition:.25s;text-decoration:none;}
.rank-tab:hover {border-color:var(--main);color:var(--main);}
.rank-tab.active {background:var(--main);border-color:var(--main);color:#fff;box-shadow:var(--shadow-soft);}
.rank-list {display:flex;flex-direction:column;gap:16px;}
.rank-item {display:flex;align-items:center;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 22px;box-shadow:var(--shadow-soft);transition:.3s;}
.rank-item:hover {box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(234,88,12,.3);}
.rank-no {flex:0 0 54px;height:54px;border-radius:16px;background:var(--soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.25rem;font-family:var(--font-title);}
.rank-item:nth-child(1) .rank-no {background:linear-gradient(135deg,#ea580c,#d97706);color:#fff;}
.rank-item:nth-child(2) .rank-no {background:linear-gradient(135deg,#d97706,#f59e0b);color:#fff;}
.rank-item:nth-child(3) .rank-no {background:linear-gradient(135deg,#f59e0b,#fbbf24);color:#fff;}
.rank-body {flex:1;min-width:0;}
.rank-body h3 {margin:0 0 6px;font-size:1.08rem;font-weight:700;font-family:var(--font-title);}
.rank-body p {margin:0;font-size:.9rem;color:#57534e;line-height:1.6;}
.rank-tags {display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;}
.rank-tags span {font-size:.74rem;padding:3px 10px;border-radius:999px;background:var(--soft);color:var(--accent);font-weight:600;}
.rank-score {flex:0 0 auto;text-align:right;}
.rank-score b {display:block;font-size:1.35rem;color:var(--main);font-weight:800;line-height:1.1;}
.rank-score small {font-size:.74rem;color:#78716c;}
.rk-note {background:var(--soft);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;margin-top:34px;font-size:.92rem;color:#57534e;line-height:1.8;}
.rk-note strong {color:var(--main);}
.rank-item {gap:14px;padding:15px;align-items:flex-start;}
.rank-no {flex:0 0 44px;height:44px;font-size:1.05rem;border-radius:12px;}
.rank-score {display:none;}
.rank-body h3 {font-size:1rem;}

/* --- 子页面追加 --- */
.about-hero {padding:120px 0 56px;}
.about-hero h1 {font-family:var(--font-title);font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.28;margin:18px 0 14px;}
.about-hero p {max-width:720px;color:#57534e;font-size:1.02rem;line-height:1.9;}
.about-block {background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--shadow-soft);height:100%;}
.about-block h3 {font-family:var(--font-title);font-size:1.22rem;margin-bottom:14px;}
.about-block p {color:#57534e;line-height:1.9;margin-bottom:0;font-size:.96rem;}
.about-block .ico {width:44px;height:44px;border-radius:14px;background:var(--soft);color:var(--main);display:flex;align-items:center;justify-content:center;font-size:1.05rem;margin-bottom:16px;}
.rule-list {list-style:none;padding:0;margin:0;}
.rule-list li {position:relative;padding-left:26px;margin-bottom:14px;color:#57534e;line-height:1.85;font-size:.96rem;}
.rule-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;}
.rule-list li strong {color:var(--text);}
.timeline {position:relative;padding-left:26px;border-left:2px dashed var(--line);}
.timeline-item {position:relative;margin-bottom:26px;}
.timeline-item::before {content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--main);box-shadow:0 0 0 4px var(--soft);}
.timeline-item h4 {font-size:1rem;margin-bottom:6px;font-family:var(--font-title);}
.timeline-item p {color:#57534e;font-size:.93rem;line-height:1.8;margin:0;}
.faq-item h4 {font-size:1rem;margin-bottom:8px;font-family:var(--font-title);}
.faq-item p {margin:0;color:#57534e;font-size:.94rem;line-height:1.85;}
.about-hero {padding:96px 0 36px;}
.about-block {padding:24px 20px;}

/* --- 子页面追加 --- */
.legal-hero {position:relative;overflow:hidden;padding:72px 0 40px;}
.legal-hero .hero-tag {display:inline-flex;align-items:center;gap:8px;}
.legal-wrap {max-width:920px;margin:0 auto;}
.legal-card {background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);padding:32px 34px;margin-bottom:26px;}
.legal-card h2 {font-family:var(--font-title);font-size:1.4rem;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.legal-card h2 .num {flex:none;width:34px;height:34px;border-radius:12px;background:var(--soft);color:var(--main);display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-body);font-weight:800;font-size:.95rem;}
.legal-card p {color:var(--text);line-height:1.85;margin-bottom:12px;font-size:.97rem;}
.legal-card p:last-child {margin-bottom:0;}
.legal-card ul {margin:0 0 12px;padding-left:0;list-style:none;}
.legal-card ul li {position:relative;padding-left:22px;line-height:1.85;font-size:.97rem;margin-bottom:8px;}
.legal-card ul li::before {content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--accent);}
.legal-card ul li:last-child {margin-bottom:0;}
.legal-note {background:var(--soft);border:1px dashed var(--line);border-radius:var(--r-md);padding:18px 20px;font-size:.92rem;line-height:1.8;color:var(--text);}
.legal-note strong {color:var(--main);}
.legal-toc {display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.legal-toc a {display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--text);font-size:.86rem;text-decoration:none;transition:.25s;}
.legal-toc a:hover {background:var(--main);color:#fff;border-color:var(--main);box-shadow:var(--shadow-soft);}
.legal-updated {font-size:.84rem;color:var(--accent);font-weight:600;letter-spacing:.02em;margin-bottom:6px;}
.legal-card {padding:24px 20px;border-radius:var(--r-md);}
.legal-hero {padding:52px 0 28px;}