/* roulang page: index */
:root{
  --paper:#f4efe6;
  --paper-2:#ece4d5;
  --ink:#16120e;
  --ink-2:#2b241d;
  --ink-3:#4a4036;
  --mark:#c34a2d;
  --gold:#c9a063;
  --mist:#8c7a8f;
  --white:#fffdf8;
  --line:rgba(43,36,29,.14);
  --line-gray:rgba(201,160,99,.35);
  --shadow-sm:0 3px 12px rgba(22,18,14,.06);
  --shadow-md:0 8px 30px rgba(22,18,14,.10);
  --shadow-lg:0 18px 50px rgba(22,18,14,.16);
  --radius:14px;
  --radius-sm:7px;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Heiti SC",system-ui,sans-serif;
  --ease:160ms cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--ink);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--mark)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
::selection{background:var(--gold);color:var(--ink)}

/* 浮动导航 */
.site-header{
  position:sticky;top:16px;z-index:60;
  padding:0 20px;
}
.nav-shell{
  max-width:1240px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(22,18,14,.9);
  border:1px solid rgba(201,160,99,.28);
  border-radius:999px;
  padding:10px 18px 10px 22px;
  box-shadow:var(--shadow-md);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:all var(--ease);
}
.site-header .brand{
  display:flex;align-items:center;gap:10px;
  color:var(--white);font-family:var(--font-display);
  font-size:1.25rem;font-weight:900;letter-spacing:.04em;
}
.site-header .brand svg{
  width:26px;height:26px;flex:0 0 auto;
  stroke:var(--gold);fill:none;stroke-linecap:round;stroke-linejoin:round;
}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a{
  display:block;position:relative;
  color:rgba(255,255,255,.72);
  padding:8px 16px;border-radius:50px;
  font-size:.92rem;font-weight:500;
}
.nav-links a:hover,.nav-links a:focus{
  color:var(--white);background:rgba(255,255,255,.07);
}
.nav-links a.active{color:var(--white)}
.nav-links a.active::after{
  content:"";position:absolute;left:20px;right:20px;bottom:4px;
  height:2px;background:var(--mark);border-radius:2px;
}
.header-cta{
  --mark:var(--mark);
  background:var(--mark);color:#fff!important;
  padding:9px 18px!important;border-radius:50px;
  font-weight:600;
  box-shadow:0 4px 16px rgba(195,74,45,.4);
}
.header-cta:hover{background:#a93e26;color:#fff!important;transform:translateY(-1px)}
.menu-toggle{
  display:none;background:transparent;border:1px solid rgba(255,255,255,.25);
  color:var(--white);width:42px;height:42px;border-radius:50%;
  font-size:1.2rem;cursor:pointer;transition:all var(--ease);
}
.menu-toggle:hover{background:rgba(255,255,255,.1)}

/* Hero */
.hero{
  position:relative;
  background:var(--ink);
  background-image:
    radial-gradient(circle at 80% 10%,rgba(201,160,99,.12),transparent 42%),
    radial-gradient(rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:auto,22px 22px;
  color:var(--white);
  border-radius:0 0 44px 44px;
  overflow:hidden;
  margin:0 14px 70px;
}
.hero-inner{
  position:relative;z-index:2;
  padding:72px 28px 88px;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--gold);font-size:.85rem;letter-spacing:.32em;
  text-transform:uppercase;font-weight:600;
  border:1px solid rgba(201,160,99,.35);
  padding:6px 16px;border-radius:999px;
  margin-bottom:28px;
  background:rgba(255,255,255,.03);
}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(2rem,5.1vw,3.9rem);
  line-height:1.18;
  letter-spacing:.01em;
  font-weight:900;
  max-width:14em;
  margin-bottom:28px;
  text-wrap:balance;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--mark),#e27555);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:clamp(1.05rem,1.8vw,1.28rem);
  color:rgba(255,255,255,.82);
  max-width:36em;
  line-height:2;
  margin-bottom:30px;
}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:50px;font-weight:600;font-size:1rem;
  padding:14px 30px;min-height:50px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
  font-family:var(--font-body);
}
.btn-primary{background:var(--mark);color:#fff!important;box-shadow:0 8px 24px rgba(195,74,45,.34)}
.btn-primary:hover{background:#ae4029;transform:translateY(-2px);box-shadow:0 12px 28px rgba(195,74,45,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(195,74,45,.3)}
.btn-outline{border-color:rgba(255,255,255,.45);color:var(--white)!important;background:transparent}
.btn-outline:hover{border-color:var(--gold);background:rgba(201,160,99,.12);color:var(--gold)!important}
.text-link{
  color:rgba(255,255,255,.85);
  border-bottom:2px solid var(--gold);padding-bottom:2px;
  font-weight:500;
}
.text-link:hover{color:var(--gold)}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;
}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  padding:7px 14px;border-radius:999px;
  font-size:.83rem;color:rgba(255,255,255,.75);
}
.hero-side{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  padding:20px 0;
}
.hero-editor-card{
  width:min(100%,420px);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(201,160,99,.3);
  border-radius:22px;
  overflow:hidden;
  backdrop-filter:blur(8px);
  box-shadow:var(--shadow-lg);
  transform:rotate(1.5deg);
}
.hero-editor-card .thumb{
  height:260px;overflow:hidden;position:relative;
  background:var(--ink-2);
}
.hero-editor-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.hero-editor-card:hover .thumb img{transform:scale(1.05)}
.hero-editor-card .badge{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--mark);color:#fff;
  padding:5px 12px;border-radius:999px;font-size:.8rem;font-weight:700;
}
.hero-editor-card .card-body{padding:20px 22px 22px}
.hero-editor-card .series{color:var(--gold);font-size:.82rem;letter-spacing:.18em;margin-bottom:6px}
.hero-editor-card h3{
  font-family:var(--font-display);font-size:1.6rem;font-weight:900;
  color:var(--white);margin-bottom:10px
}
.hero-editor-card p{color:rgba(255,255,255,.7);font-size:.92rem;line-height:1.7;margin-bottom:14px}
.hero-editor-card .meta{display:flex;justify-content:space-between;align-items:center;color:rgba(255,255,255,.8);font-size:.9rem}
.star{color:var(--gold)}

/* Section common */
.section{padding:68px 0}
.section .pre-title{
  display:flex;align-items:center;gap:8px;
  color:var(--mark);font-weight:700;letter-spacing:.14em;
  font-size:.87rem;margin-bottom:14px;
}
.section h2{
  font-family:var(--font-display);
  font-size:clamp(1.8rem,3.2vw,2.8rem);
  font-weight:900;line-height:1.3;
  margin-bottom:16px;
  letter-spacing:.01em;
}
.section-desc{
  font-size:1.05rem;color:var(--ink-3);
  max-width:46em;margin-bottom:40px;line-height:2;
}
.section-head{position:relative;z-index:1}

/* 功能编号组 */
.feature-grid{padding:0 24px;position:relative}
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.feature-row.reverse{grid-template-columns:1fr 1fr}
.feature-thumb{
  border-radius:var(--radius);overflow:hidden;min-height:300px;
  position:relative;box-shadow:var(--shadow-md);
}
.feature-thumb img{width:100%;height:100%;object-fit:cover}
.feature-list{display:flex;flex-direction:column;gap:30px}
.feature-list.inverse{order:-1}
.feature-item{
  display:flex;gap:18px;
  background:rgba(255,255,255,.5);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 18px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.feature-num{
  font-family:var(--font-display);
  font-size:2.4rem;font-weight:900;
  color:var(--mark);opacity:.25;line-height:1;
  min-width:56px;text-align:right;
}
.feature-item h3{
  font-family:var(--font-display);
  font-size:1.35rem;font-weight:800;margin-bottom:6px;
}
.feature-item p{color:var(--ink-3);font-size:.95rem;line-height:1.8}

/* 场景 */
.scene-section{background:var(--paper-2);border-radius:34px;margin:0 16px;padding:70px 0}
.scene-block{
  display:grid;grid-template-columns:1.1fr .85fr;align-items:center;
  gap:36px;margin-bottom:22px;position:relative;
}
.scene-block:nth-of-type(even) .scene-text{order:2}
.scene-media{
  position:relative;border-radius:20px;overflow:hidden;height:340px;
  box-shadow:var(--shadow-md);
}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 20%,rgba(22,18,14,.45));
}
.scene-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;
  font-family:var(--font-display);font-size:1.4rem;font-weight:800;
}
.scene-text h3{
  font-family:var(--font-display);font-size:clamp(1.4rem,2.5vw,2rem);
  font-weight:900;margin-bottom:10px;
}
.scene-text p{color:var(--ink-3);font-size:1rem;margin-bottom:16px}
.scene-action{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--mark);font-weight:700;border-bottom:2px solid var(--gold);
  padding-bottom:3px;transition:all var(--ease);
}
.scene-action:hover{color:var(--ink);border-color:var(--mark);transform:translateX(3px)}
.scene-bubble{
  background:var(--ink);color:var(--white);
  border-radius:18px 18px 18px 4px;
  padding:18px 20px;max-width:320px;
  border:1px solid var(--gold);margin:20px 0;
  font-family:var(--font-display);font-size:1rem;
  line-height:2;box-shadow:var(--shadow-md)
}
.scene-bubble::before{
  content:"“";font-family:var(--font-display);font-size:2rem;color:var(--gold);
  display:block;height:12px
}
.scene-bubble small{display:block;color:var(--gold);font-family:var(--font-body);font-size:.8rem;margin-top:8px}

/* 作品大卡区 */
.works-wrap{display:grid;grid-template-columns:2fr 1fr;gap:28px;align-items:flex-start}
.work-main{
  background:var(--ink);color:#fff;border-radius:22px;overflow:hidden;
  box-shadow:var(--shadow-md);position:relative;
}
.work-main .work-cover{height:300px;overflow:hidden;position:relative}
.work-main .work-cover img{width:100%;height:100%;object-fit:cover}
.work-main .work-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(22,18,14,.9) 0%,transparent 70%);
}
.work-main .work-content{padding:26px}
.work-main .desk-tag{background:var(--gold);color:var(--ink);font-size:.78rem;padding:4px 12px;border-radius:999px;font-weight:700;display:inline-block;margin-bottom:14px}
.work-main h3{font-family:var(--font-display);font-size:2rem;font-weight:900;margin-bottom:10px}
.work-main .desc{color:rgba(255,255,255,.75);line-height:1.8;font-size:.97rem;margin-bottom:16px}
.hot-bar{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-top:22px;
  border-top:1px solid rgba(255,255,255,.15);padding-top:18px;
}
.hot-bar div{background:rgba(255,255,255,.05);border-radius:10px;padding:10px 12px;text-align:center}
.hot-bar strong{display:block;font-family:var(--font-display);font-size:1.35rem;color:var(--gold)}
.hot-bar span{font-size:.75rem;color:rgba(255,255,255,.6)}
.work-side{display:flex;flex-direction:column;gap:18px}
.work-mini{
  display:grid;grid-template-columns:96px 1fr;gap:14px;
  background:var(--white);border:1px solid var(--line);
  border-radius:16px;padding:12px;transition:all var(--ease);
}
.work-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.work-mini img{width:96px;height:128px;border-radius:8px;object-fit:cover}
.work-mini .t{font-size:.72rem;color:var(--mist);letter-spacing:.1em;margin-bottom:4px}
.work-mini h4{font-family:var(--font-display);font-size:1.05rem;font-weight:800;margin-bottom:6px}
.work-mini .score{color:var(--mark);font-weight:700;font-size:.9rem}
.work-mini .cate{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}
.work-mini .cate span{background:var(--paper-2);border-radius:4px;font-size:.72rem;padding:2px 7px;color:var(--ink-3)}

/* 资讯 */
.news-section{background:var(--ink);color:#fff;border-radius:36px;margin:0 14px;padding:70px 0}
.news-section .pre-title{color:var(--gold)}
.news-section h2{color:#fff}
.news-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:30px}
.news-list{list-style:none;border-top:1px solid rgba(255,255,255,.15)}
.news-list li{
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:16px 4px;
  display:flex;gap:18px;align-items:baseline;
}
.news-num{
  color:var(--gold);font-family:var(--font-display);font-weight:800;
  font-size:1rem;opacity:.55;min-width:34px;
}
.news-list a{color:#fff;font-weight:600;font-size:1rem;line-height:1.6;transition:all var(--ease)}
.news-list a:hover{color:var(--gold);transform:translateX(3px);display:inline-block}
.news-list .date{
  margin-left:auto;color:rgba(255,255,255,.4);font-size:.85rem;white-space:nowrap;
  letter-spacing:.04em;
}
.news-meta{color:rgba(255,255,255,.55);font-size:.8rem;display:block;margin-top:4px}
.news-side-bg{
  background:rgba(255,255,255,.04);border:1px solid rgba(201,160,99,.3);
  border-radius:20px;padding:22px;
}
.news-side-bg h4{
  font-family:var(--font-display);color:var(--gold);
  font-size:1.1rem;margin-bottom:16px;letter-spacing:.06em;
}
.trend-list{list-style:none}
.trend-list li{
  display:flex;justify-content:space-between;align-items:center;
  color:rgba(255,255,255,.85);padding:9px 0;
  border-bottom:1px dashed rgba(255,255,255,.14);
}
.trend-list li span{font-size:.88rem}
.trend-list li i{color:var(--mark);width:16px;text-align:center;margin-right:6px}
.trend-list small{display:block;color:rgba(255,255,255,.4);font-size:.76rem;text-align:right;margin-left:16px}
.news-side-tag{margin-top:20px;display:flex;gap:8px;flex-wrap:wrap}
.news-side-tag span{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:5px 12px;color:rgba(255,255,255,.72);font-size:.78rem}

/* pricing */
.price-choice-note{
  background:var(--paper-2);padding:14px 18px;border-radius:12px;
  font-size:.96rem;color:var(--ink-3);border-left:4px solid var(--gold);
  margin-bottom:36px;max-width:80%;
}
.price-wrap{display:grid;grid-template-columns:1.05fr .7fr .7fr;gap:24px;align-items:center}
.price-main{
  background:var(--ink);color:#fff;
  border:1px solid var(--gold);border-radius:20px;
  padding:32px 28px;position:relative;
  box-shadow:var(--shadow-lg);
}
.price-main .headline{position:absolute;top:-14px;left:28px;background:var(--mark);color:#fff;border-radius:999px;font-size:.78rem;padding:6px 16px;font-weight:700}
.price-main h3{font-family:var(--font-display);font-size:1.5rem;font-weight:900;margin-bottom:8px}
.price-main .amount{font-family:var(--font-display);font-size:2.6rem;font-weight:900;color:var(--gold);margin-bottom:6px}
.price-main .amount small{font-size:1rem;color:rgba(255,255,255,.55)}
.price-list{list-style:none;margin-bottom:24px}
.price-list li{position:relative;padding:6px 0 6px 24px;color:rgba(255,255,255,.8)}
.price-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--gold);position:absolute;left:0;top:7px;font-size:.9rem}
.price-sub{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  padding:20px 18px;
}
.price-sub:hover{box-shadow:var(--shadow-md)}
.price-sub h4{font-family:var(--font-display);font-size:1.1rem;margin-bottom:10px}
.price-sub .amount{font-weight:900;color:var(--mark);font-size:1.6rem}
.price-sub p{font-size:.85rem;color:var(--ink-3)}
.price-sub.btn-line{margin-top:12px;display:block;text-align:center;background:transparent;border:1px solid var(--ink-2);border-radius:8px;padding:9px;color:var(--ink-2);font-weight:600;font-size:.9rem}
.price-sub.btn-line:hover{background:var(--ink-2);color:#fff}
.vs-old{text-decoration:line-through;color:rgba(255,255,255,.5);font-weight:400;font-size:1.3rem}

/* faq */
.faq-wrap{max-width:960px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--line);
  border-top:1px solid var(--line);
  margin-top:-1px;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;
  padding:24px 8px;
  font-family:var(--font-display);font-weight:700;font-size:1.15rem;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--mark)}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--mark);transition:transform .3s ease;
  font-size:.9rem
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .ans{
  padding:0 10px 28px;color:var(--ink-3);
  max-width:860px;line-height:2;
  font-size:.98rem;
}

/* CTA */
.cta-sec{
  background:var(--ink);position:relative;overflow:hidden;
  color:#fff;border-radius:34px;margin:0 14px 70px;
  padding:70px 30px;
  text-align:center;
}
.cta-sec::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 15% 20%,rgba(195,74,45,.2),transparent 45%),
    radial-gradient(circle at 85% 70%,rgba(201,160,99,.16),transparent 45%);
}
.cta-sec .cta-inner{position:relative;z-index:2}
.cta-sec h2{
  font-family:var(--font-display);font-size:clamp(2rem,4.5vw,3.4rem);
  font-weight:900;line-height:1.25;margin-bottom:18px;
}
.cta-sec p{color:rgba(255,255,255,.75);max-width:38em;margin:0 auto 30px;font-size:1.05rem}

/* footer */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.7);
  padding:60px 0 0;margin-top:20px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;
  gap:34px;padding-bottom:32px;
}
.site-footer h4{
  color:var(--white);font-family:var(--font-display);
  font-size:1.05rem;margin-bottom:16px;letter-spacing:.03em;
}
.footer-brand{color:var(--white);font-family:var(--font-display);font-size:1.7rem;font-weight:900;display:flex;align-items:center;gap:10px}
.footer-brand svg{width:28px;height:28px;fill:none;stroke:var(--gold)}
.footer-brand + p{color:rgba(255,255,255,.55);font-size:.95rem;margin-top:17px;max-width:28em;line-height:1.9}
.footer-list{list-style:none}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(255,255,255,.6)}
.footer-list a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0 34px;color:rgba(255,255,255,.35);
  font-size:.88rem;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
}

/* 移动端菜单与响应式 */
@media (max-width:900px){
  .menu-toggle{display:block}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:20px;right:20px;
    flex-direction:column;align-items:stretch;
    background:rgba(22,18,14,.96);
    border:1px solid rgba(201,160,99,.3);
    border-radius:20px;padding:14px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 18px;border-radius:12px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:rgba(195,74,45,.15);color:var(--white)}
  .header-cta{margin-top:6px;text-align:center}
  .hero-inner{padding:50px 10px 60px}
  .hero{margin:0 8px 44px;border-radius:0 0 24px 24px}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr}
  .feature-list.inverse{order:0}
  .scene-block{grid-template-columns:1fr;gap:20px}
  .scene-block:nth-of-type(even) .scene-text{order:0}
  .works-wrap,.news-grid,.price-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .price-main{grid-row:1}
  .price-choice-note{max-width:100%}
}
@media (max-width:640px){
  body{font-size:15px}
  .container,.feature-grid{padding:0 16px}
  .section{padding:52px 0}
  .section-desc{margin-bottom:30px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-editor-card .thumb{height:200px}
  .news-list li{flex-direction:column;gap:4px}
  .news-list .date{margin-left:0}
  .site-header{top:8px;padding:0 12px}
  .feature-item{padding:16px;}
  .feature-num{min-width:40px;font-size:1.8rem}
  .work-main .work-cover{height:210px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto}
}

/* roulang page: category1 */
:root {
    --paper: #f4efe6;
    --paper-2: #ece4d5;
    --ink: #16120e;
    --ink-2: #2b241d;
    --ink-3: #4a4036;
    --mark: #c34a2d;
    --gold: #c9a063;
    --mist: #8c7a8f;
    --white: #fffdf8;
    --line: rgba(43,36,29,.14);
    --line-gray: rgba(201,160,99,.35);
    --shadow-sm: 0 3px 12px rgba(22,18,14,.06);
    --shadow-md: 0 8px 30px rgba(22,18,14,.10);
    --shadow-lg: 0 18px 50px rgba(22,18,14,.16);
    --radius: 14px;
    --radius-sm: 7px;
    --font-display: "Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
    --font-body: "PingFang SC","Microsoft YaHei","Heiti SC",system-ui,sans-serif;
    --ease: 160ms cubic-bezier(.4,.2,.2,1);
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 92px; }
  body {
    font-family: var(--font-body);
    background-color: var(--paper);
    background-image: radial-gradient(rgba(43,36,29,.028) 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: var(--ink); text-decoration: none; transition: color var(--ease); }
  a:hover { color: var(--mark); }
  button { font-family: var(--font-body); }
  .container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
  .section { padding: 72px 0; }
  .section-tight { padding: 40px 0; }
  .cell { min-width: 0; }

  /* 站点头部：内缩圆角浮动导航 */
  .site-header {
    position: sticky;
    top: 16px;
    z-index: 600;
    padding: 0 20px;
  }
  .nav-shell {
    max-width: 1240px;
    margin: 0 auto;
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(22,18,14,.92);
    border: 1px solid rgba(201,160,99,.28);
    border-radius: 999px;
    padding: 8px 10px 8px 20px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(11px);
    -webkit-backdrop-filter: blur(11px);
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-family: var(--font-display);
    font-size: 1.28rem;
    font-weight: 900;
    letter-spacing: .06em;
    flex: 0 0 auto;
  }
  .brand svg {
    width: 25px;
    height: 25px;
    stroke: var(--gold);
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .brand:hover { color: var(--gold); }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .nav-links a {
    display: block;
    position: relative;
    color: rgba(255,255,255,.74);
    padding: 9px 16px;
    border-radius: 50px;
    font-size: .92rem;
    font-weight: 500;
    transition: background var(--ease),color var(--ease);
  }
  .nav-links a:hover,
  .nav-links a:focus {
    color: var(--white);
    background: rgba(255,255,255,.08);
  }
  .nav-links a.active { color: var(--white); }
  .nav-links a.active::after {
    content: "";
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 3px;
    height: 2px;
    background: var(--mark);
    border-radius: 2px;
  }
  .nav-links .header-cta {
    background: var(--mark);
    color: #fff;
    padding: 10px 18px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(195,74,45,.38);
  }
  .nav-links .header-cta:hover { background: #a93e26; transform: translateY(-1px); color: #fff; }
  .menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(255,255,255,.3);
    color: var(--white);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--ease);
  }
  .menu-toggle:hover { background: rgba(255,255,255,.1); border-color: var(--gold); }

  /* 按钮系统 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    padding: 13px 27px;
    min-height: 48px;
    border: 1px solid transparent;
    cursor: pointer;
    font-family: var(--font-body);
    transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease);
  }
  .btn-primary { background: var(--mark); color: #fff; box-shadow: 0 8px 24px rgba(195,74,45,.34); }
  .btn-primary:hover { background: #ae4029; color: #fff; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(195,74,45,.42); }
  .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(195,74,45,.28); }
  .btn-outline { border: 1px solid rgba(255,255,255,.48); color: #fff; background: transparent; }
  .btn-outline:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,160,99,.1); transform: translateY(-2px); }
  .btn-dark { background: var(--ink); color: #fff; border-color: var(--ink); }
  .btn-dark:hover { background: var(--ink-2); color: var(--paper-2); transform: translateY(-2px); }
  button:focus-visible,
  a:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 4px;
  }

  /* 分类页 Hero */
  .cat-hero {
    margin: 0 14px 28px;
    border-radius: 0 0 48px 48px;
    background:
      linear-gradient(105deg, rgba(22,18,14,.96) 0%, rgba(22,18,14,.82) 32%, rgba(43,36,29,.45) 100%),
      url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
    color: var(--white);
    overflow: hidden;
    position: relative;
  }
  .cat-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 1px;
    background: rgba(201,160,99,.35);
  }
  .cat-hero-inner {
    padding: 64px 0 84px;
    display: flex;
    align-items: stretch;
  }
  .cat-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.02rem, 4.8vw, 3.4rem);
    line-height: 1.18;
    letter-spacing: .01em;
    font-weight: 900;
    color: var(--white);
    margin: 0 0 22px;
    text-wrap: balance;
  }
  .cat-hero h1 .accent {
    font-style: normal;
    color: var(--gold);
  }
  .kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gold);
    font-size: .84rem;
    letter-spacing: .24em;
    text-transform: uppercase;
    border: 1px solid rgba(201,160,99,.35);
    padding: 6px 15px;
    border-radius: 999px;
    background: rgba(255,255,255,.04);
    margin-bottom: 24px;
  }
  .kicker i { font-size: .75rem; }
  .cat-lead {
    color: rgba(255,255,255,.86);
    font-size: clamp(1.02rem, 1.8vw, 1.19rem);
    max-width: 36em;
    line-height: 2;
    margin-bottom: 28px;
  }
  .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    margin-top: 36px;
  }
  .hero-meta div {
    border-left: 2px solid rgba(201,160,99,.45);
    padding-left: 14px;
  }
  .hero-meta strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--white);
    line-height: 1.3;
  }
  .hero-meta span {
    font-size: .8rem;
    color: rgba(255,255,255,.66);
  }
  .cat-hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .editor-turn-card {
    width: min(100%, 360px);
    margin-left: auto;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(201,160,99,.3);
    border-radius: 24px;
    padding: 13px;
    transform: rotate(1.2deg);
    box-shadow: var(--shadow-lg);
  }
  .editor-turn-card .cover-stack {
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    height: 230px;
  }
  .editor-turn-card .cover-stack img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .turn-badge {
    position: absolute;
    z-index: 2;
    top: 12px;
    left: 12px;
    background: rgba(22,18,14,.8);
    color: var(--gold);
    border: 1px solid rgba(201,160,99,.42);
    font-size: .78rem;
    border-radius: 999px;
    padding: 4px 12px;
    font-weight: 600;
  }
  .turn-body {
    padding: 18px 16px 16px;
  }
  .turn-body small {
    color: rgba(255,255,255,.6);
    letter-spacing: .12em;
  }
  .turn-body h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--white);
    margin: 5px 0 3px;
  }
  .turn-body p {
    color: rgba(255,255,255,.74);
    font-size: .85rem;
    line-height: 1.7;
    margin: 0;
  }
  .turn-star {
    margin-top: 12px;
    color: var(--gold);
    font-size: .8rem;
    display: flex;
    gap: 8px;
    letter-spacing: .15em;
  }

  /* 入口导语 */
  .intro-line {
    padding: 40px 0 10px;
  }
  .intro-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow-sm);
    padding: clamp(24px, 4vw, 42px);
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
  }
  .intro-card::before {
    content: "狐妖";
    position: absolute;
    right: 18px;
    bottom: -18px;
    font-family: var(--font-display);
    font-size: 7rem;
    font-weight: 900;
    color: rgba(195,74,45,.04);
    line-height: 1;
  }
  .intro-card p {
    max-width: 54%;
    margin: 0;
    font-size: 1.05rem;
    position: relative;
    z-index: 1;
  }
  .intro-card p strong {
    color: var(--mark);
    font-family: var(--font-display);
  }
  .mini-note {
    position: relative;
    z-index: 1;
    display: inline-flex;
    gap: 11px;
    align-items: center;
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 9px 17px;
    border-radius: 999px;
    font-size: .9rem;
    color: var(--ink-3);
  }

  /* 分类导览条 */
  .topic-strip {
    padding: 44px 0 46px;
  }
  .topic-strip-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
  }
  .topic-strip-label h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 900;
    margin: 0;
  }
  .topic-strip-label span {
    font-size: .92rem;
    color: var(--ink-3);
  }
  .chip-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 2px 0 10px;
  }
  .chip {
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--ink-2);
    padding: 9px 19px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .89rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ease);
    box-shadow: var(--shadow-sm);
  }
  .chip i { color: var(--gold); font-size: .82rem; }
  .chip:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
    box-shadow: 0 9px 22px rgba(22,18,14,.12);
  }
  .chip.is-active {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink);
  }
  .chip.is-active i { color: var(--gold); }
  .chip.is-scrollable { white-space: nowrap; }

  /* 通用版块标题 */
  .section-head {
    margin-bottom: 38px;
    max-width: 740px;
  }
  .section-head .eyebrow {
    color: var(--mark);
    font-weight: 700;
    letter-spacing: .16em;
    font-size: .78rem;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 12px;
  }
  .section-head .eyebrow::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--mark);
    display: inline-block;
  }
  .section-head h2 {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 3.6vw, 2.7rem);
    line-height: 1.25;
    font-weight: 900;
    margin-bottom: 14px;
    letter-spacing: .01em;
  }
  .section-head p {
    color: var(--ink-3);
    font-size: 1.04rem;
    line-height: 1.9;
    margin: 0;
  }

  /* 书目混合索引 */
  .shelf-index { background: rgba(236,228,213,.45); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .works-wrap { padding: 70px 0; }

  .update-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 18px;
    margin-bottom: 38px;
    font-size: .96rem;
    color: var(--ink-3);
  }
  .update-line .dot {
    width: 9px;
    height: 9px;
    background: var(--mark);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(195,74,45,.17);
  }
  .update-line strong { color: var(--ink); }

  .feature-card {
    display: flex;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 100%;
    transition: transform var(--ease), box-shadow var(--ease);
  }
  .feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }
  .feature-cover {
    flex: 0 0 42%;
    max-width: 42%;
    overflow: hidden;
    position: relative;
    min-height: 300px;
  }
  .feature-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .7s ease;
  }
  .feature-card:hover .feature-cover img { transform: scale(1.04); }
  .feature-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }
  .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
  .tag-solid {
    background: var(--mark);
    color: #fff;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: .8rem;
    font-weight: 700;
  }
  .tag-line {
    border: 1px solid rgba(201,160,99,.55);
    color: #9a7226;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: .8rem;
    font-weight: 600;
    background: rgba(201,160,99,.07);
  }
  .feature-body h3 {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 900;
    margin-bottom: 8px;
  }
  .feature-body .author {
    color: var(--ink-3);
    font-size: .88rem;
    letter-spacing: .08em;
    margin-bottom: 18px;
  }
  .feature-body .blurb {
    line-height: 1.9;
    color: var(--ink-3);
    margin-bottom: 18px;
    font-size: .97rem;
  }
  .score-line {
    color: #b47d2d;
    font-weight: 700;
    margin-bottom: 18px;
  }
  .score-line i { margin-right: 4px; }
  .hover-op {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 6px;
  }

  .editor-side {
    background: var(--ink);
    border: 1px solid rgba(201,160,99,.35);
    border-radius: 24px;
    color: var(--white);
    padding: 36px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
  }
  .editor-side::after {
    content: "狐本";
    position: absolute;
    right: 12px;
    bottom: -20px;
    font-family: var(--font-display);
    font-size: 5.4rem;
    font-weight: 900;
    color: rgba(201,160,99,.06);
    line-height: 1;
  }
  .editor-side .quote {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 1.9vw, 1.5rem);
    line-height: 1.7;
    margin: 0 0 22px;
    position: relative;
    z-index: 1;
  }
  .editor-name {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gold);
    font-size: .84rem;
    letter-spacing: .12em;
    margin-top: auto;
  }
  .editor-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid rgba(201,160,99,.5);
    flex: 0 0 auto;
  }
  .editor-avatar img { width: 100%; height: 100%; object-fit: cover; }

  .book-grid { margin-top: 34px; 
    display: flex; flex-wrap: wrap; }
  .book-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 100%;
    display: flex;
    transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
  }
  .book-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--line-gray);
  }
  .book-thumb {
    position: relative;
    flex: 0 0 38%;
    max-width: 38%;
    background: var(--paper-2);
    min-height: 220px;
    overflow: hidden;
  }
  .book-thumb img {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    object-fit: cover;
    transition: transform .7s ease;
  }
  .book-card:hover .book-thumb img { transform: scale(1.06); }
  .book-thumb .hidden-read {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(22,18,14,.72), rgba(22,18,14,.08) 65%);
    opacity: 0;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 18px;
    transition: opacity var(--ease);
  }
  .book-card:hover .hidden-read { opacity: 1; }
  .hidden-read span {
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.4);
    color: #fff;
    font-size: .84rem;
    border-radius: 999px;
    padding: 7px 15px;
    backdrop-filter: blur(6px);
  }
  .book-info {
    padding: 22px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
  }
  .book-info .mini-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .78rem;
    color: var(--ink-3);
    margin-bottom: 12px;
  }
  .book-info .mini-status .st { width: 7px; height: 7px; border-radius: 50%; background: var(--mark); }
  .book-info h4 {
    font-family: var(--font-display);
    font-size: 1.18rem;
    font-weight: 900;
    margin-bottom: 5px;
    color: var(--ink);
  }
  .book-info .who {
    color: var(--ink-3);
    font-size: .8rem;
    margin-bottom: 11px;
  }
  .book-taglist {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
  }
  .book-taglist span {
    background: var(--paper);
    border: 1px solid var(--line);
    font-size: .75rem;
    color: var(--ink-3);
    padding: 3px 10px;
    border-radius: 999px;
  }
  .book-meta-line {
    font-size: .82rem;
    color: var(--ink-3);
    display: flex;
    gap: 13px;
    flex-wrap: wrap;
  }
  .book-meta-line i { color: var(--gold); margin-right: 3px; }

  .rec-banner {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 22px 30px;
    margin: 30px 0 0;
    flex-wrap: wrap;
  }
  .rec-banner .rec-text {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1rem, 1.8vw, 1.3rem);
    color: var(--ink);
  }
  .rec-banner .rec-text .num {
    color: transparent;
    -webkit-text-stroke: 1px var(--mark);
    font-size: 3.1rem;
    font-weight: 900;
    line-height: 1;
  }
  .rec-banner p { margin: 0; color: var(--ink-3); max-width: 38rem; font-size: .95rem; }
  .btn-load-more {
    border: 2px solid var(--ink);
    background: transparent;
    color: var(--ink);
    padding: 12px 32px;
    border-radius: 50px;
    display: inline-flex;
    gap: 9px;
    align-items: center;
    font-weight: 700;
    font-size: .95rem;
    cursor: pointer;
    transition: all var(--ease);
  }
  .btn-load-more:hover {
    background: var(--ink);
    color: #fff;
    transform: translateY(-2px);
  }

  .hidden-card[hidden] { display: none !important; }

  /* 排行榜 */
  .rank-section { padding: 76px 0; }
  .rank-grid { display: flex; }
  .rank-panel {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 28px;
    box-shadow: var(--shadow-sm);
    height: 100%;
  }
  .rank-panel h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    padding-bottom: 15px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .rank-panel h3 i { color: var(--gold); }
  .rank-sub {
    color: var(--ink-3);
    font-size: .88rem;
    margin-bottom: 16px;
  }
  .rank-row {
    display: flex;
    align-items: center;
    gap: 13px;
    border-bottom: 1px solid rgba(43,36,29,.07);
    padding: 13px 2px;
    transition: background var(--ease);
  }
  .rank-row:last-child { border-bottom: 0; }
  .rank-row:hover { background: var(--paper); }
  .rank-no {
    width: 32px;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.18rem;
    color: rgba(22,18,14,.3);
    text-align: center;
    flex: 0 0 auto;
  }
  .rank-row:first-child .rank-no {
    color: var(--mark);
    font-size: 1.7rem;
    transform: rotate(-4deg);
  }
  .rank-thumb {
    width: 50px;
    height: 64px;
    border-radius: 8px;
    overflow: hidden;
    flex: 0 0 auto;
    background: var(--paper-2);
  }
  .rank-thumb img { width: 100%; height: 100%; object-fit: cover; }
  .rank-main { min-width: 0; flex: 1; display: flex; flex-direction: column; }
  .rank-title { font-weight: 700; color: var(--ink); font-size: .97rem; line-height: 1.4; }
  .rank-meta { display: flex; align-items: center; gap: 8px; font-size: .78rem; color: var(--ink-3); }
  .rank-meta .up { color: #2e7040; font-weight: 600; }
  .rank-meta .down { color: #a2523d; }
  .rank-meta .new { color: var(--mark); font-weight: 700; }
  .rank-score {
    font-size: .86rem;
    color: #b47d2d;
    font-weight: 700;
    white-space: nowrap;
  }

  /* FAQ */
  .faq-area { background: rgba(236,228,213,.5); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 74px 0; }
  .faq-list { max-width: 900px; margin: 0 auto; background: var(--white); border: 1px solid var(--line); border-radius: 24px; padding: 8px 24px; box-shadow: var(--shadow-sm); }
  .faq-item { border-bottom: 1px solid var(--line); padding: 0; }
  .faq-item:last-child { border-bottom: 0; }
  .faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 4px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.06rem;
    color: var(--ink);
    transition: color var(--ease);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary:hover { color: var(--mark); }
  .faq-item summary .qicon {
    flex: 0 0 auto;
    width: 27px;
    height: 27px;
    border-radius: 50%;
    background: var(--ink);
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 900;
  }
  .faq-item summary::after {
    content: "+";
    font-size: 1.4rem;
    color: var(--mark);
    transition: transform var(--ease);
    flex: 0 0 auto;
    margin-left: 8px;
  }
  .faq-item[open] summary::after { transform: rotate(45deg); }
  .faq-content {
    padding: 0 4px 24px 36px;
    color: var(--ink-3);
    line-height: 1.9;
    font-size: .96rem;
  }

  /* 方案 / 最终 CTA */
  .plans-cta {
    background: var(--ink);
    position: relative;
    overflow: hidden;
    border-radius: 38px;
    margin: 70px 14px 48px;
    padding: 64px 0;
    background-image: radial-gradient(circle at 12% 12%, rgba(201,160,99,.16), transparent 30%), radial-gradient(circle at 88% 85%, rgba(195,74,45,.13), transparent 36%);
    color: var(--white);
  }
  .plans-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid rgba(201,160,99,.32);
    border-radius: 38px;
    pointer-events: none;
  }
  .plans-cta h2 {
    color: var(--white);
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    line-height: 1.22;
    margin-bottom: 17px;
  }
  .plans-cta .lead {
    color: rgba(255,255,255,.8);
    max-width: 34rem;
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 28px;
  }
  .plan-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 10px;
  }
  .plan-choice {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: space-between;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 18px;
    padding: 15px 20px;
  }
  .plan-choice .plan-name { font-weight: 700; font-family: var(--font-display); }
  .plan-choice .plan-for { color: rgba(255,255,255,.65); font-size: .82rem; }
  .plan-choice .plan-price { color: var(--gold); font-family: var(--font-display); font-size: 1.22rem; font-weight: 900; white-space: nowrap; }
  .plan-choice.is-pick {
    border-color: rgba(201,160,99,.65);
    background: rgba(201,160,99,.1);
    box-shadow: inset 0 0 0 1px rgba(201,160,99,.18);
  }
  .cta-compact {
    background: var(--paper-2);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 28px;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .cta-compact h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 900;
    margin: 8px 0;
  }
  .cta-compact p { color: var(--ink-3); font-size: .92rem; max-width: 24rem; }

  /* 页脚 */
  .site-footer {
    background: var(--ink);
    color: rgba(255,255,255,.8);
    padding: 64px 0 22px;
    margin-top: 20px;
    border-top: 1px solid rgba(201,160,99,.35);
  }
  .site-footer .grid-container { max-width: 1240px; }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 38px;
    padding-bottom: 38px;
    border-bottom: 1px solid rgba(255,255,255,.09);
    margin-bottom: 22px;
  }
  .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 14px;
  }
  .footer-brand svg { width: 25px; height: 25px; stroke: var(--gold); fill: none; stroke-linecap: round; stroke-linejoin: round; }
  .site-footer p {
    color: rgba(255,255,255,.6);
    line-height: 1.9;
    font-size: .9rem;
    margin-bottom: 0;
  }
  .site-footer h4 {
    color: var(--white);
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 15px;
  }
  .site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .site-footer li { margin-bottom: 10px; }
  .site-footer a {
    color: rgba(255,255,255,.62);
    font-size: .88rem;
  }
  .site-footer a:hover { color: var(--gold); }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    color: rgba(255,255,255,.45);
    font-size: .8rem;
  }
  .footer-bottom span { display: inline-flex; gap: 5px; }

  @media screen and (max-width: 1023px) {
    .section { padding: 54px 0; }
    .cat-hero-inner { padding: 46px 0 56px; }
    .cat-hero .cat-hero-visual { margin-top: 28px; }
    .editor-turn-card { margin-left: 0; }
    .intro-card p { max-width: 100%; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .feature-card { flex-direction: column; }
    .feature-cover { flex: none; max-width: 100%; position: relative; min-height: 260px; }
    .feature-cover img { position: relative; height: 260px; }
    .book-card { flex-direction: row; }
  }

  @media screen and (max-width: 767px) {
    .site-header { top: 10px; padding: 0 10px; }
    .nav-shell { padding: 8px 10px 8px 16px; }
    .menu-toggle { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; }
    .nav-links {
      display: none;
      position: absolute;
      top: calc(100% + 8px);
      left: 10px;
      right: 10px;
      flex-direction: column;
      align-items: stretch;
      background: rgba(22,18,14,.97);
      border: 1px solid rgba(201,160,99,.3);
      border-radius: 22px;
      padding: 14px;
      box-shadow: var(--shadow-lg);
    }
    .nav-links.is-open { display: flex; }
    .nav-links li { width: 100%; }
    .nav-links a { padding: 12px 14px; }
    .nav-links a.active::after { display: none; }
    .nav-links .header-cta { justify-content: center; }
    .brand { font-size: 1.14rem; gap: 7px; }
    .cat-hero { margin: 0 6px 20px; border-radius: 0 0 30px 30px; }
    .hero-meta { gap: 16px; }
    .section-head h2 { font-size: 1.7rem; }
    .topic-strip-label { flex-direction: column; align-items: flex-start; }
    .chip-row { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 13px; }
    .chip { flex: 0 0 auto; }
    .book-card { flex-direction: column; }
    .book-thumb { flex: none; max-width: 100%; min-height: 180px; }
    .book-thumb img { position: relative; height: 180px; }
    .book-grid .cell { max-width: 100%; flex: 0 0 100%; }
    .footer-grid { grid-template-columns: 1fr; }
    .cat-hero h1 { font-size: 2.04rem; }
    .plans-cta { margin: 44px 8px 30px; border-radius: 24px; padding: 40px 0; }
    .plan-choice { flex-wrap: wrap; }
  }

  @media screen and (max-width: 420px) {
    .hero-meta div { width: 100%; }
    .section { padding: 42px 0; }
    .intro-card p { font-size: .97rem; }
    .rec-banner .rec-text { flex-wrap: wrap; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.001s !important;
      transition-duration: 0.001s !important;
      scroll-behavior: auto !important;
    }
  }