/* roulang page: index */
:root{
  --ink:#16121F;
  --ink-2:#5A5366;
  --ink-3:#8E8798;
  --bg:#FAF7F4;
  --surface:#FFFFFF;
  --surface-2:#F3F0F7;
  --night:#191231;
  --night-2:#241A45;
  --primary:#6C4BE0;
  --primary-hover:#5A3ACE;
  --primary-soft:#EFE9FF;
  --accent:#FF7A45;
  --accent-soft:#FFF0E8;
  --line:#E7E2EC;
  --line-dark:rgba(255,255,255,.14);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(22,18,31,.05),0 10px 26px -14px rgba(22,18,31,.16);
  --shadow-2:0 14px 40px -18px rgba(108,75,224,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{max-width:1240px}}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:68px;
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header .header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;transition:color .25s ease}
.brand-mark{
  width:32px;height:32px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(108,75,224,.9);
}
.brand-mark svg{width:17px;height:17px;fill:#fff}
.brand-text{white-space:nowrap}
.main-nav{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.main-nav{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.8);border-radius:var(--r-sm);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5)}
.icon-btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.header-login{display:none;font-size:15px;color:rgba(255,255,255,.8);padding:9px 6px;transition:color .18s ease}
.header-login:hover{color:#fff}
@media (min-width:768px){.header-login{display:inline-block}}
.header-cta{display:none}
@media (min-width:1024px){.header-cta{display:inline-flex;height:40px;padding:0 20px;font-size:14px}}

.site-header.is-solid{background:var(--surface);border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.site-header.is-solid .brand{color:var(--ink)}
.site-header.is-solid .nav-link{color:var(--ink-2)}
.site-header.is-solid .nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.site-header.is-solid .nav-link.active{color:var(--primary)}
.site-header.is-solid .icon-btn{border-color:var(--line);background:var(--surface);color:var(--ink)}
.site-header.is-solid .icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.site-header.is-solid .header-login{color:var(--ink-2)}
.site-header.is-solid .header-login:hover{color:var(--primary)}
.site-header.is-solid .hamburger span{background:var(--ink)}

.hamburger{
  width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);background:rgba(255,255,255,.06);cursor:pointer;
  transition:all .18s ease;
}
.hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:#fff;transition:background .2s ease}
@media (min-width:1024px){.hamburger{display:none}}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:var(--surface);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{
  height:68px;flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px 0 20px;border-bottom:1px solid var(--line);
}
.drawer-brand{font-size:17px;font-weight:800;color:var(--ink)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:22px;line-height:1;cursor:pointer;transition:all .18s ease;
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.drawer-body{flex:1;overflow-y:auto;padding:20px 16px}
.drawer-label{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;margin:16px 0 8px;padding-left:8px}
.drawer-label:first-child{margin-top:0}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-md);
  font-size:16px;color:var(--ink-2);transition:all .18s ease;
}
.drawer-link:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.drawer-foot{flex:none;padding:16px;border-top:1px solid var(--line)}
.w-full{width:100%}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-accent{background:var(--accent);color:#16121F}
.btn-accent:hover{background:#F0692F;transform:translateY(-2px);box-shadow:0 14px 34px -16px rgba(255,122,69,.9)}
.btn-secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary)}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.36);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- Sections ---------- */
.section{position:relative;padding:64px 0}
@media (min-width:768px){.section{padding:96px 0}}
.section-tint{background:var(--surface-2)}
.section-head{margin-bottom:32px;max-width:760px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:12px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.section-title{font-size:26px;color:var(--ink)}
@media (min-width:768px){.section-title{font-size:30px}}
.section-sub{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.85;max-width:660px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease;
}
.link-more:hover{border-bottom-color:var(--primary)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding-top:68px;
  background:linear-gradient(180deg,#191231 0%,#2A1C55 100%);
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 14%,rgba(255,122,69,.22) 0%,rgba(255,122,69,0) 46%),
    linear-gradient(180deg,rgba(25,18,49,.88) 0%,rgba(25,18,49,.7) 44%,rgba(25,18,49,.97) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:64px}
@media (min-width:768px){.hero-inner{padding-top:80px;padding-bottom:88px}}
@media (min-width:1024px){.hero-inner{padding-top:104px;padding-bottom:96px}}
.hero-content{max-width:780px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.86);font-size:13px;font-weight:500;letter-spacing:.02em;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,122,69,.22)}
.hero-title{
  margin-top:22px;color:#fff;font-size:34px;font-weight:800;line-height:1.24;letter-spacing:-.02em;
}
@media (min-width:768px){.hero-title{font-size:44px}}
@media (min-width:1024px){.hero-title{font-size:52px}}
.hero-lead{
  margin-top:22px;max-width:680px;color:rgba(255,255,255,.76);font-size:16px;line-height:1.9;
}
@media (min-width:768px){.hero-lead{font-size:17px}}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
  margin-top:52px;padding-top:30px;border-top:1px solid var(--line-dark);
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px;
}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.2}
@media (min-width:768px){.hero-stat b{font-size:30px}}
.hero-stat span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.58);line-height:1.6}

/* ---------- Search ---------- */
.search-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.search-panel{padding:28px 30px}}
.search-form{display:flex;flex-wrap:wrap;gap:12px}
.search-input-wrap{position:relative;flex:1 1 280px;min-width:0}
.search-input-wrap svg{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round;
}
.search-input{
  width:100%;height:48px;padding:0 16px 0 46px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--bg);color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-input::placeholder{color:var(--ink-3)}
.search-input:focus{
  outline:none;background:var(--surface);border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(108,75,224,.1);
}
.quick-links{margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.quick-label{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.04em}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface-2);color:var(--ink-2);
  font-size:13px;transition:all .18s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}

/* ---------- Channel matrix ---------- */
.channel-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:640px){.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.channel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.channel-card{
  position:relative;overflow:hidden;display:block;
  padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(108,75,224,.35)}
.channel-card h3{font-size:18px;color:var(--ink)}
.channel-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8}
.channel-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.channel-meta span{
  font-size:12px;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-2);
}
.channel-card.is-feature{
  background:linear-gradient(160deg,var(--night) 0%,var(--night-2) 100%);
  border-color:transparent;
}
.channel-card.is-feature h3{color:#fff}
.channel-card.is-feature p{color:rgba(255,255,255,.72)}
.channel-card.is-feature .channel-meta span{background:rgba(255,255,255,.1);color:rgba(255,255,255,.8)}
.channel-card.is-feature:hover{box-shadow:0 20px 48px -20px rgba(108,75,224,.7)}
.channel-badge{
  position:absolute;top:16px;right:16px;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:var(--r-pill);background:var(--accent);color:#16121F;
}

/* ---------- Capability ---------- */
.capability-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:1024px){
  .capability-grid{grid-template-columns:1.32fr 1fr;grid-template-rows:auto auto}
  .cap-main{grid-row:span 2}
}
.cap-card{
  padding:26px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cap-icon{
  width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);
}
.cap-icon svg{width:21px;height:21px;fill:none;stroke:var(--primary);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.cap-card h3{margin-top:18px;font-size:20px;color:var(--ink)}
.cap-card > p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.cap-list{margin-top:18px;display:grid;gap:10px}
.cap-list li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);line-height:1.75}
.cap-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--accent);
}
.cap-main .cap-icon{background:rgba(108,75,224,.12)}

/* ---------- Featured cards ---------- */
.card-rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 14px;
  scroll-snap-type:x mandatory;
}
.card-rail::-webkit-scrollbar{height:6px}
.card-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.card-rail::-webkit-scrollbar-track{background:transparent}
.show-card{
  flex:0 0 210px;scroll-snap-align:start;
  border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
@media (min-width:768px){.show-card{flex:0 0 232px}}
.show-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.show-cover{position:relative;aspect-ratio:2/3;background:var(--surface-2);overflow:hidden}
.show-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.show-card:hover .show-cover img{transform:scale(1.03)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-primary{background:var(--primary-soft);color:var(--primary)}
.badge-accent{background:var(--accent-soft);color:#C1440E}
.badge-soft{background:var(--surface-2);color:var(--ink-2)}
.show-cover .badge{position:absolute;top:12px;left:12px}
.show-cover .score{
  position:absolute;right:12px;bottom:12px;
  padding:4px 10px;border-radius:var(--r-pill);background:rgba(25,18,49,.72);
  color:#fff;font-size:13px;font-weight:700;
}
.show-body{padding:14px 16px 18px}
.show-body h3{font-size:16px;color:var(--ink);line-height:1.4}
.show-body p{margin-top:8px;font-size:13px;color:var(--ink-3);line-height:1.7}
.show-progress{margin-top:12px}
.progress-track{height:6px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden}
.progress-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--accent) 0%,var(--primary) 100%)}
.progress-label{margin-top:6px;font-size:12px;color:var(--ink-3);display:flex;justify-content:space-between}

/* ---------- Scenario ---------- */
.scenario-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.scenario-grid > *:nth-child(even){margin-top:28px}}
.scenario-card{
  padding:24px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.scenario-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#C1440E;font-size:12px;font-weight:600;
}
.scenario-card h3{margin-top:16px;font-size:18px;color:var(--ink)}
.scenario-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- Demo tabs ---------- */
.demo-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.demo-tab{
  height:42px;padding:0 20px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:all .18s ease;
}
.demo-tab:hover{border-color:var(--primary);color:var(--primary)}
.demo-tab.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.demo-panel{display:none}
.demo-panel.is-active{display:block}
.demo-stage{
  display:grid;gap:20px;grid-template-columns:1fr;
  padding:24px;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);
}
@media (min-width:1024px){
  .demo-stage{grid-template-columns:1.6fr 1fr;align-items:center;padding:30px}
}
.demo-shot{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-2);
}
.demo-shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.demo-shot.small img{aspect-ratio:9/16}
.demo-copy h3{font-size:20px;color:var(--ink)}
.demo-copy p{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.demo-facts{margin-top:18px;display:grid;gap:10px}
.demo-facts li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.demo-facts li b{color:var(--primary);font-weight:700;flex:none}

/* ---------- CMS news ---------- */
.news-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-thumb{aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;color:var(--ink);line-height:1.45}
.news-body p{font-size:14px;color:var(--ink-2);line-height:1.8}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3)}
.news-card.is-lead{grid-column:span 1}
@media (min-width:1024px){
  .news-card.is-lead{grid-column:span 2;flex-direction:row}
  .news-card.is-lead .news-thumb{flex:0 0 46%;aspect-ratio:auto;height:100%}
  .news-card.is-lead .news-body{padding:26px 28px}
  .news-card.is-lead .news-body h3{font-size:21px}
}
.empty-state{
  padding:48px 24px;border-radius:var(--r-lg);border:1px dashed var(--line);
  background:var(--surface);text-align:center;
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:22px;
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

/* ---------- Ranking ---------- */
.rank-list{display:grid;gap:14px}
.rank-row{
  display:flex;align-items:center;gap:18px;padding:16px 20px;
  border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rank-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(108,75,224,.3)}
.rank-no{
  flex:none;width:46px;font-size:30px;font-weight:800;line-height:1;
  color:var(--line);font-variant-numeric:tabular-nums;text-align:center;
}
.rank-row:nth-child(1) .rank-no{color:var(--accent)}
.rank-row:nth-child(2) .rank-no{color:var(--primary)}
.rank-info{flex:1;min-width:0}
.rank-info h3{font-size:16px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info p{margin-top:6px;font-size:13.5px;color:var(--ink-3)}
.rank-score{flex:none;text-align:right}
.rank-score b{display:block;font-size:19px;color:var(--primary);font-variant-numeric:tabular-nums}
.rank-score span{font-size:12px;color:var(--ink-3)}

/* ---------- Calendar ---------- */
.calendar-strip{display:flex;gap:10px;overflow-x:auto;padding-bottom:10px}
.calendar-day{
  flex:1 0 122px;padding:16px 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface);text-align:center;
  transition:all .18s ease;
}
.calendar-day:hover{border-color:var(--primary);background:var(--primary-soft)}
.calendar-day.is-today{background:var(--night);border-color:var(--night)}
.calendar-day.is-today .cal-week,.calendar-day.is-today .cal-date{color:#fff}
.calendar-day.is-today .cal-count{color:var(--accent)}
.cal-week{font-size:13px;color:var(--ink-3);font-weight:600}
.cal-date{margin-top:6px;font-size:17px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.cal-count{margin-top:8px;font-size:12px;color:var(--ink-3)}
.cal-list{margin-top:24px;border-top:1px solid var(--line)}
.cal-item{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:16px 4px;border-bottom:1px solid var(--line);
}
.cal-time{flex:none;width:64px;font-size:14px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.cal-name{flex:1 1 200px;min-width:0;font-size:15px;color:var(--ink)}
.cal-ep{font-size:13px;color:var(--ink-3)}

/* ---------- Resource ---------- */
.resource-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.resource-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.resource-card{
  padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.resource-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.resource-card h3{margin-top:16px;font-size:17px;color:var(--ink)}
.resource-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8}
.resource-icon{
  width:42px;height:42px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);
}
.resource-icon svg{width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Cases ---------- */
.case-row{
  display:grid;gap:24px;align-items:center;padding:26px;border-radius:var(--r-xl);
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-1);
}
.case-row + .case-row{margin-top:20px}
@media (min-width:1024px){
  .case-row{grid-template-columns:1fr 1.1fr;gap:36px;padding:32px}
  .case-row.is-flip .case-media{order:2}
}
.case-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;
}
.case-row h3{margin-top:14px;font-size:20px;color:var(--ink)}
.case-row p{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.case-points{margin-top:16px;display:grid;gap:9px}
.case-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2)}
.case-points li::before{
  content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;border-radius:2px;background:var(--primary);
}

/* ---------- Pricing ---------- */
.plan-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.plan-grid{grid-template-columns:repeat(4,minmax(0,1fr));align-items:stretch}}
.plan-card{
  position:relative;display:flex;flex-direction:column;
  padding:26px 22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.plan-card.is-feature{
  border-color:var(--primary);box-shadow:var(--shadow-2);
  background:linear-gradient(180deg,#FFFFFF 0%,var(--primary-soft) 100%);
}
@media (min-width:1024px){
  .plan-card.is-feature{transform:scale(1.035)}
  .plan-card.is-feature:hover{transform:scale(1.035) translateY(-4px)}
}
.plan-flag{
  position:absolute;top:-12px;left:22px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--accent);color:#16121F;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;
}
.plan-name{font-size:17px;color:var(--ink);font-weight:700}
.plan-desc{margin-top:8px;font-size:13.5px;color:var(--ink-3);line-height:1.7;min-height:46px}
.plan-price{margin-top:18px;display:flex;align-items:baseline;gap:6px}
.plan-price b{font-size:34px;font-weight:800;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
.plan-price span{font-size:14px;color:var(--ink-3)}
.plan-list{margin-top:20px;display:grid;gap:10px;flex:1}
.plan-list li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);line-height:1.7}
.plan-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:12px;height:7px;
  border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);
}
.plan-card .btn{margin-top:22px}
.plan-note{margin-top:20px;font-size:13px;color:var(--ink-3);text-align:center}

/* ---------- Reviews ---------- */
.review-cols{columns:1;column-gap:18px}
@media (min-width:768px){.review-cols{columns:2}}
.review-card{
  break-inside:avoid;margin-bottom:18px;padding:22px;
  border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);
}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;flex:none;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-weight:700;font-size:15px;
}
.review-name{font-size:14.5px;font-weight:600;color:var(--ink)}
.review-role{font-size:12.5px;color:var(--ink-3)}
.stars{margin-top:14px;color:var(--accent);font-size:14px;letter-spacing:2px}
.review-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- Proof ---------- */
.proof-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:1024px){.proof-grid{grid-template-columns:1fr 1.35fr;gap:36px;align-items:start}}
.proof-metrics{display:grid;gap:14px}
.metric-card{
  padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);
}
.metric-card b{display:block;font-size:32px;font-weight:800;color:var(--primary);line-height:1.1;font-variant-numeric:tabular-nums}
.metric-card span{display:block;margin-top:8px;font-size:14px;color:var(--ink-2)}
.proof-longs{display:grid;gap:16px}
.long-review{
  padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-1);
}
.long-review h3{font-size:16px;color:var(--ink)}
.long-review p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.long-review .who{margin-top:14px;font-size:13px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(108,75,224,.4)}
.faq-item.is-open{border-color:var(--primary);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .18s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-sign{
  flex:none;width:24px;height:24px;border-radius:50%;position:relative;
  background:var(--primary-soft);transition:transform .2s ease,background .2s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-sign::before{left:6px;right:6px;top:11px;height:2px}
.faq-sign::after{top:6px;bottom:6px;left:11px;width:2px;transition:opacity .2s ease}
.faq-item.is-open .faq-sign{transform:rotate(180deg)}
.faq-item.is-open .faq-sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 20px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85;margin:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(155deg,#191231 0%,#2A1C55 100%);
  padding:40px 24px;
}
@media (min-width:768px){.cta-band{padding:56px 48px}}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(circle,#fff 1px,transparent 1px);
  background-size:28px 28px;
}
.cta-inner{position:relative;z-index:2;display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.1fr 1fr;align-items:center;gap:44px}}
.cta-inner h2{font-size:26px;color:#fff}
@media (min-width:768px){.cta-inner h2{font-size:32px}}
.cta-inner > div > p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.74);line-height:1.85;max-width:520px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-input{
  flex:1 1 220px;min-width:0;height:48px;padding:0 18px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cta-input::placeholder{color:rgba(255,255,255,.5)}
.cta-input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,122,69,.16)}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}

/* ---------- Partner band ---------- */
.partner-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);
}
.partner-band p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:640px}
.partner-tags{display:flex;flex-wrap:wrap;gap:10px}
.partner-tags span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line);
}

/* ---------- Footer ---------- */
.site-footer{margin-top:0;background:var(--night);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr 1.5fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s ease}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.footer-input{
  flex:1 1 160px;min-width:0;height:46px;padding:0 16px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.footer-input::placeholder{color:rgba(255,255,255,.45)}
.footer-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,122,69,.16)}
.footer-hint{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.45);line-height:1.7}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .sep{opacity:.4;margin:0 6px}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
/* ================= 设计系统变量 ================= */
:root{
  --ink:#16121F;
  --ink-2:#5A5366;
  --ink-3:#8E8798;
  --bg:#FAF7F4;
  --surface:#FFFFFF;
  --surface-2:#F3F0F7;
  --night:#191231;
  --night-2:#241A45;
  --primary:#6C4BE0;
  --primary-hover:#5A3ACE;
  --primary-soft:#EFE9FF;
  --accent:#FF7A45;
  --accent-soft:#FFF0E8;
  --line:#E7E2EC;
  --line-dark:rgba(255,255,255,.14);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(22,18,31,.05),0 10px 26px -14px rgba(22,18,31,.16);
  --shadow-2:0 14px 40px -18px rgba(108,75,224,.35);
}
/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0}
svg{display:block}
.tnum{font-variant-numeric:tabular-nums}
::selection{background:rgba(108,75,224,.18)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ================= 容器 ================= */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1280px){.container{max-width:1240px}}

/* ================= 导航 ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:68px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-solid{background:var(--surface);border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(108,75,224,.9);
}
.brand-mark svg{width:17px;height:17px;fill:#fff}
.brand-text{white-space:nowrap}
.main-nav{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.main-nav{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;font-size:15px;font-weight:500;
  color:var(--ink-2);border-radius:var(--r-sm);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.icon-btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.header-login{display:none;font-size:15px;color:var(--ink-2);padding:9px 6px;transition:color .18s ease}
.header-login:hover{color:var(--primary)}
.header-cta{display:none}
@media (min-width:1024px){
  .header-login{display:inline-block}
  .header-cta{display:inline-flex;height:40px;padding:0 20px;font-size:14px}
}
.hamburger{
  width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);cursor:pointer;
  transition:all .18s ease;
}
.hamburger:hover{border-color:var(--primary);background:var(--primary-soft)}
.hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);transition:background .2s ease}
@media (min-width:1024px){.hamburger{display:none}}

/* 搜索面板 */
.search-pop{
  position:absolute;top:74px;right:20px;width:min(360px,calc(100vw - 40px));
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);padding:14px;display:none;
}
.search-pop.is-open{display:block}
.search-input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface-2);font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(108,75,224,.1)}
.search-hint{margin-top:10px;font-size:12px;color:var(--ink-3)}

/* ================= 移动端抽屉 ================= */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:var(--surface);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;visibility:hidden;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{
  height:68px;flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px 0 20px;border-bottom:1px solid var(--line);
}
.drawer-brand{font-size:17px;font-weight:800;color:var(--ink)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:22px;line-height:1;cursor:pointer;transition:all .18s ease;
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.drawer-body{flex:1;overflow-y:auto;padding:20px 16px}
.drawer-label{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;margin:16px 0 8px;padding-left:8px}
.drawer-label:first-child{margin-top:0}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-md);
  font-size:16px;color:var(--ink-2);transition:all .18s ease;
}
.drawer-link:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.drawer-foot{flex:none;padding:16px;border-top:1px solid var(--line)}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#F0662F;transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(255,122,69,.9)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ================= 标签 / 徽章 ================= */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-primary{background:var(--primary-soft);color:var(--primary)}
.badge-accent{background:var(--accent-soft);color:#D9551D}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);
  transition:all .18s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);
  transition:all .18s ease;
}
.tag:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}

/* ================= 主体 ================= */
.article-main{padding-top:68px}

/* 顶部栏目条 */
.post-topbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;padding:22px 0 20px;border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3)}
.breadcrumb a{transition:color .18s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.topbar-right{display:flex;align-items:center;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);font-size:13px;color:var(--ink-2);cursor:pointer;
  transition:all .18s ease;
}
.share-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}

/* 版式网格 */
.article-layout{display:grid;grid-template-columns:1fr;gap:36px;padding:32px 0 72px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:52px}
}
.article-col{min-width:0}

/* 文章头部 */
.post-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.post-cat{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}
.post-title{font-size:32px;font-weight:800;line-height:1.3;color:var(--ink)}
@media (min-width:768px){.post-title{font-size:40px}}
@media (min-width:1280px){.post-title{font-size:44px}}
.post-summary{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:44em}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:20px;font-size:13px;color:var(--ink-3)}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--accent)}
.post-cover{
  margin-top:28px;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);aspect-ratio:16/9;
}
.post-cover img{width:100%;height:100%;object-fit:cover}
.post-cover-cap{margin-top:10px;font-size:13px;color:var(--ink-3);text-align:center}

/* 移动端目录折叠 */
.toc-mobile{
  margin-top:24px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);padding:0 18px;box-shadow:var(--shadow-1);
}
.toc-mobile summary{
  min-height:56px;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;cursor:pointer;list-style:none;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";color:var(--primary);font-size:20px;line-height:1}
.toc-mobile[open] summary::after{content:"−"}
.toc-mobile ul{padding:0 0 16px;list-style:none;border-top:1px solid var(--line)}
.toc-mobile li{margin-top:10px}
.toc-mobile a{font-size:14px;color:var(--ink-2);display:block;padding:6px 8px;border-radius:var(--r-sm)}
.toc-mobile a:hover{background:var(--primary-soft);color:var(--primary)}
@media (min-width:1024px){.toc-mobile{display:none}}

/* 正文排版 */
.article-body{padding:34px 0 6px;font-size:17px;line-height:1.85;color:#221D2B;max-width:800px}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;margin:42px 0 16px;padding-left:16px;
  font-size:26px;font-weight:700;line-height:1.35;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--primary);
}
.article-body h3{margin:30px 0 12px;font-size:20px;font-weight:700;color:var(--ink)}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:700;color:var(--ink)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--surface-2);
  border-left:3px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.6em}
.article-body li{margin:.4em 0}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:text-decoration-thickness .18s ease,color .18s ease}
.article-body a:hover{color:var(--primary-hover);text-decoration-thickness:2px}
.article-body img{border-radius:var(--r-md);margin:22px auto}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--surface-2);font-weight:600}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

/* 空态 */
.article-empty{
  margin:34px 0 10px;padding:52px 24px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:var(--r-md);
  background:var(--primary-soft);display:flex;align-items:center;justify-content:center;
}
.empty-icon svg{width:24px;height:24px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.empty-text{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.empty-desc{font-size:14px;color:var(--ink-3);margin-bottom:22px}

/* 相关推荐 */
.rel-section{margin-top:52px;padding-top:34px;border-top:1px solid var(--line)}
.rel-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
.rel-title{font-size:22px;font-weight:700;color:var(--ink)}
.rel-sub{margin-top:8px;font-size:14px;color:var(--ink-3)}
.rel-list{display:grid;grid-template-columns:1fr;gap:14px;margin-top:22px}
@media (min-width:768px){.rel-list{grid-template-columns:1fr 1fr}}
.rel-card{
  display:flex;gap:14px;padding:16px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DAD2EE}
.rel-date{
  flex:none;align-self:flex-start;padding:6px 10px;border-radius:var(--r-sm);
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;line-height:1.4;
}
.rel-body{min-width:0}
.rel-name{font-size:15px;font-weight:600;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-name{color:var(--primary)}
.rel-note{margin-top:8px;font-size:12px;color:var(--ink-3)}
.rel-empty{
  margin-top:22px;padding:26px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-lg);font-size:14px;color:var(--ink-3);text-align:center;
}

/* 上一篇 / 下一篇 */
.post-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:44px}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-card{
  display:block;padding:18px 20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DAD2EE}
.post-nav-card.next{text-align:right}
.post-nav-label{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.04em}
.post-nav-name{margin-top:8px;font-size:15px;font-weight:600;color:var(--ink);line-height:1.6}
.post-nav-card:hover .post-nav-name{color:var(--primary)}
.post-nav-card.is-disabled{opacity:.62;cursor:default}
.post-nav-card.is-disabled:hover{transform:none;box-shadow:var(--shadow-1);border-color:var(--line)}
.post-nav-card.is-disabled .post-nav-label{color:var(--ink-3)}
.post-nav-card.is-disabled .post-nav-name{color:var(--ink-3);font-weight:500}

/* 内容声明 */
.post-statement{
  margin-top:36px;padding:24px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--r-lg);
}
.statement-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:10px}
.statement-text{font-size:14px;line-height:1.85;color:var(--ink-2)}
.statement-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}

/* ================= 侧栏 ================= */
.post-aside{display:flex;flex-direction:column;gap:20px;min-width:0}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow-1);
}
@media (min-width:1280px){.side-card--toc{position:sticky;top:88px}}
.side-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px}
.side-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.toc-list{list-style:none;padding:0}
.toc-list li+li{margin-top:4px}
.toc-list a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;transition:all .18s ease;
}
.toc-list a:hover{background:var(--primary-soft);color:var(--primary);border-left-color:var(--primary)}
.side-points{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);list-style:none;padding-left:0}
.side-points li{position:relative;padding-left:16px;font-size:13px;color:var(--ink-2);line-height:1.75}
.side-points li+li{margin-top:8px}
.side-points li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.6}
.rank-list{list-style:none;padding:0}
.rank-item{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.rank-item:last-child{border-bottom:none}
.rank-no{
  flex:none;width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;background:var(--surface-2);color:var(--ink-2);
}
.rank-item:nth-child(1) .rank-no{background:var(--accent-soft);color:#D9551D}
.rank-item:nth-child(2) .rank-no{background:var(--primary-soft);color:var(--primary)}
.rank-name{flex:1;min-width:0;font-size:14px;color:var(--ink);line-height:1.5}
.rank-score{flex:none;font-size:13px;font-weight:700;color:var(--accent)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-form{display:flex;flex-direction:column;gap:10px}
.side-input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface-2);font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.side-input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(108,75,224,.1)}
.side-hint{font-size:12px;color:var(--ink-3);line-height:1.7}

/* ================= 页脚 ================= */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);padding:56px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px 28px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr 1.3fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-about{font-size:13px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34em}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-form{display:flex;gap:8px;margin-bottom:12px}
.footer-input{
  flex:1;min-width:0;height:40px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.06);color:#fff;font-size:13px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.footer-input::placeholder{color:rgba(255,255,255,.45)}
.footer-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,122,69,.16)}
.footer-hint{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
}
.sep{margin:0 8px;opacity:.4}

/* roulang page: category1 */
:root{
  --ink:#16121F;
  --ink-2:#5A5366;
  --ink-3:#8E8798;
  --bg:#FAF7F4;
  --surface:#FFFFFF;
  --surface-2:#F3F0F7;
  --night:#191231;
  --night-2:#241A45;
  --primary:#6C4BE0;
  --primary-hover:#5A3ACE;
  --primary-soft:#EFE9FF;
  --accent:#FF7A45;
  --accent-soft:#FFF0E8;
  --line:#E7E2EC;
  --line-dark:rgba(255,255,255,.14);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(22,18,31,.05),0 10px 26px -14px rgba(22,18,31,.16);
  --shadow-2:0 14px 40px -18px rgba(108,75,224,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding-top:68px;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%!important;max-width:1240px!important;margin:0 auto;padding-left:20px!important;padding-right:20px!important}
@media (min-width:768px){.container{padding-left:24px!important;padding-right:24px!important}}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:68px;
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header .header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;transition:color .25s ease}
.brand-mark{
  width:32px;height:32px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(108,75,224,.9);
}
.brand-mark svg{width:17px;height:17px;fill:#fff}
.brand-text{white-space:nowrap}
.main-nav{display:none;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.8);border-radius:var(--r-sm);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5)}
.icon-btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.header-login{display:none;font-size:15px;color:rgba(255,255,255,.8);padding:9px 6px;transition:color .18s ease}
.header-login:hover{color:#fff}
.header-cta{display:none;height:40px;padding:0 20px;font-size:14px}
.hamburger{
  width:44px;height:44px;display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);background:rgba(255,255,255,.06);cursor:pointer;
  transition:all .18s ease;
}
.hamburger span{display:block;width:17px;height:2px;border-radius:2px;background:#fff;transition:background .2s ease}
.site-header.is-solid{background:var(--surface);border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.site-header.is-solid .brand{color:var(--ink)}
.site-header.is-solid .nav-link{color:var(--ink-2)}
.site-header.is-solid .nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.site-header.is-solid .nav-link.active{color:var(--primary)}
.site-header.is-solid .icon-btn{border-color:var(--line);background:var(--surface);color:var(--ink)}
.site-header.is-solid .icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.site-header.is-solid .header-login{color:var(--ink-2)}
.site-header.is-solid .header-login:hover{color:var(--primary)}
.site-header.is-solid .hamburger{border-color:var(--line);background:var(--surface)}
.site-header.is-solid .hamburger span{background:var(--ink)}
.header-search{
  display:none;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);
}
.header-search.is-open{display:block}
.header-search-inner{display:flex;align-items:center;gap:10px;padding-top:12px;padding-bottom:12px}
.header-search-inner input{
  flex:1;height:46px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-2);
  padding:0 16px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.header-search-inner input:focus{outline:none;border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 4px rgba(108,75,224,.08)}
@media (min-width:1024px){
  .main-nav{display:flex}
  .header-login{display:inline-block}
  .header-cta{display:inline-flex}
  .hamburger{display:none}
  .icon-btn{display:inline-flex}
}
@media (max-width:1023px){
  .hamburger{display:inline-flex}
  .icon-btn{display:inline-flex}
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:var(--surface);
  display:flex;flex-direction:column;transform:translateX(100%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{
  height:68px;flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px 0 20px;border-bottom:1px solid var(--line);
}
.drawer-brand{font-size:17px;font-weight:800;color:var(--ink)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:22px;line-height:1;cursor:pointer;transition:all .18s ease;
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.drawer-body{flex:1;overflow-y:auto;padding:20px 16px}
.drawer-label{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;margin:16px 0 8px;padding-left:8px}
.drawer-label:first-child{margin-top:0}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-md);
  font-size:16px;color:var(--ink-2);transition:all .18s ease;
}
.drawer-link:hover{background:var(--primary-soft);color:var(--primary)}
.drawer-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.drawer-foot{flex:none;padding:16px;border-top:1px solid var(--line)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px -10px rgba(108,75,224,.85)}
.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#16121F}
.btn-accent:hover{background:#F2652C;box-shadow:0 12px 30px -14px rgba(255,122,69,.95);transform:translateY(-2px)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 32px;font-size:16px}
.btn-block{width:100%}

/* ---------- Badges / tags ---------- */
.badge{
  position:absolute;top:10px;left:10px;z-index:2;display:inline-flex;align-items:center;height:24px;
  padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-accent{background:var(--accent);color:#16121F}
.badge-primary{background:var(--primary);color:#fff}
.badge-soft{background:var(--primary-soft);color:var(--primary)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-2);font-size:12px;border:1px solid var(--line);
}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--primary);background:var(--primary-soft);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;letter-spacing:.02em;
}

/* ---------- Section base ---------- */
.section{padding:56px 0;border-top:1px solid var(--line);scroll-margin-top:84px}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--surface-2)}
.section-head{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:flex-end;justify-content:space-between;margin-bottom:32px}
.section-head h2{font-size:24px;line-height:1.3;font-weight:800;letter-spacing:-.01em}
@media (min-width:1024px){.section-head h2{font-size:30px}}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:660px;line-height:1.75}
.section-count{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------- Category hero ---------- */
.cat-hero{padding:32px 0 48px;background:var(--bg);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.cat-hero{padding:52px 0 64px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--primary)}
.crumb-sep{color:var(--ink-3)}
.crumb-current{color:var(--ink);font-weight:600}
.cat-hero-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:1024px){.cat-hero-grid{grid-template-columns:1.35fr .65fr;gap:56px;align-items:center}}
.cat-hero h1{font-size:29px;line-height:1.28;font-weight:800;letter-spacing:-.012em}
@media (min-width:768px){.cat-hero h1{font-size:37px}}
@media (min-width:1280px){.cat-hero h1{font-size:42px}}
.cat-lede{font-size:16px;color:var(--ink-2);margin-top:16px;max-width:660px;line-height:1.85}
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);margin-top:28px;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden;
}
.stat-strip > div{padding:14px 18px}
.stat-strip > div + div{border-left:1px solid var(--line)}
.stat-strip strong{display:block;font-size:22px;font-weight:800;line-height:1.25;font-variant-numeric:tabular-nums}
.stat-strip span{font-size:13px;color:var(--ink-3)}
@media (max-width:767px){
  .stat-strip > div:nth-child(2n+1){border-left:0}
  .stat-strip > div:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.cat-hero-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow-1);text-align:center;
}
.ring{
  --p:78;width:140px;height:140px;margin:0 auto;border-radius:50%;
  background:conic-gradient(var(--accent) calc(var(--p) * 1%),var(--surface-2) 0);
  display:grid;place-items:center;
}
.ring-inner{
  width:108px;height:108px;border-radius:50%;background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
}
.ring-inner strong{font-size:24px;font-weight:800;line-height:1;color:var(--primary);font-variant-numeric:tabular-nums}
.ring-inner span{font-size:12px;color:var(--ink-3)}
.ring-note{font-size:13px;color:var(--ink-2);margin:18px 0 20px;line-height:1.75}

/* ---------- Toolbar ---------- */
.toolbar-section{padding:24px 0 8px;background:var(--bg)}
.toolbar{
  display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;
  padding:14px 18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.chip-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.chip-label{font-size:13px;color:var(--ink-3);margin-right:2px}
.chip{
  height:34px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);font-size:13px;cursor:pointer;white-space:nowrap;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.is-active{background:var(--primary-soft);border-color:transparent;color:var(--primary);font-weight:600}
.toolbar-sort{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.toolbar-sort select{
  height:36px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  padding:0 14px;font-size:13px;color:var(--ink);cursor:pointer;transition:border-color .18s ease,box-shadow .18s ease;
}
.toolbar-sort select:hover,.toolbar-sort select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 4px rgba(108,75,224,.08)}

/* ---------- Cards ---------- */
.drama-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.drama-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (min-width:1024px){.drama-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cover{position:relative;aspect-ratio:3/4;background:var(--surface-2);overflow:hidden}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .cover img{transform:scale(1.03)}
.cover-score{
  position:absolute;right:10px;bottom:10px;z-index:2;background:rgba(25,18,49,.78);color:#fff;
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums;
}
.card-body{padding:16px}
.card-title{font-size:17px;font-weight:700;line-height:1.45}
.card-meta{font-size:13px;color:var(--ink-3);margin-top:6px;font-variant-numeric:tabular-nums}
.card-desc{
  font-size:14px;color:var(--ink-2);line-height:1.75;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.grid-foot{display:flex;justify-content:center;margin-top:32px}
.is-hidden{display:none!important}

/* ---------- Ranking ---------- */
.rank-list{border-top:1px solid var(--line)}
.rank-item{
  display:flex;align-items:center;gap:16px;padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background .18s ease,padding-left .18s ease;
}
.rank-item:nth-child(odd){padding-top:26px;padding-bottom:26px}
.rank-item:hover{background:var(--surface);padding-left:12px}
.rank-num{
  flex:none;min-width:66px;font-size:32px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--primary);font-variant-numeric:tabular-nums;
}
.rank-main h3{font-size:17px;font-weight:700;line-height:1.45}
.rank-main p{font-size:13px;color:var(--ink-3);margin-top:4px}
.rank-side{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-size:13px;color:var(--ink-3);text-align:right}
.rank-side strong{font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- Week strip ---------- */
.week-strip{display:grid;gap:12px;grid-template-columns:1fr}
@media (min-width:640px){.week-strip{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.week-strip{grid-template-columns:repeat(7,minmax(0,1fr));gap:10px}}
.week-day{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 12px;display:flex;flex-direction:column;gap:12px;min-height:170px;
}
.week-day.is-today{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.week-date{display:flex;align-items:baseline;gap:6px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.week-date strong{font-size:15px;color:var(--ink);font-weight:700}
.week-time-list{display:flex;flex-direction:column;gap:10px}
.week-item{border-left:2px solid var(--accent);padding-left:9px;font-size:13px;line-height:1.6}
.week-item strong{display:block;font-weight:600;color:var(--ink)}
.week-item span{color:var(--ink-3);font-size:12px;font-variant-numeric:tabular-nums}

/* ---------- Guide ---------- */
.guide-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:1024px){.guide-grid{grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}}
.guide-text h2{font-size:24px;font-weight:800;line-height:1.3;letter-spacing:-.01em}
@media (min-width:1024px){.guide-text h2{font-size:30px}}
.guide-lead{font-size:15px;color:var(--ink-2);margin-top:14px;line-height:1.85}
.check-list{display:grid;gap:12px;margin:22px 0}
.check-list li{position:relative;padding-left:30px;font-size:15px;color:var(--ink-2);line-height:1.75}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:17px;height:17px;border-radius:50%;
  background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent);
}
.check-list li::after{content:"";position:absolute;left:5px;top:13px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.guide-text p.guide-body{font-size:15px;color:var(--ink-2);line-height:1.85}
.guide-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.guide-figure figcaption{font-size:13px;color:var(--ink-3);margin-top:12px;text-align:center}

/* ---------- FAQ ---------- */
.faq-list{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;cursor:pointer;
  transition:color .18s ease,background .18s ease;
}
.faq-q:hover{color:var(--primary);background:var(--primary-soft)}
.faq-icon{flex:none;position:relative;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 20px 20px;color:var(--ink-2);font-size:15px;line-height:1.85;max-width:900px}

/* ---------- News ---------- */
.news-list{display:grid;gap:14px}
.news-card{
  display:grid;grid-template-columns:1fr;gap:6px;padding:18px 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
@media (min-width:768px){.news-card{grid-template-columns:124px 1fr;gap:22px;align-items:start}}
.news-card:hover{border-color:var(--primary);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.news-date{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;padding-top:4px}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5}
.news-body p{
  font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-cat{display:inline-block;margin-top:10px;font-size:12px;color:var(--primary);background:var(--primary-soft);padding:3px 10px;border-radius:var(--r-pill)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 24px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
  text-align:center;color:var(--ink-3);font-size:14px;
}

/* ---------- CTA ---------- */
.cta-section{padding:56px 0;border-top:1px solid var(--line);scroll-margin-top:84px}
@media (min-width:1024px){.cta-section{padding:88px 0}}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:36px 22px;color:#fff;
  background:linear-gradient(180deg,var(--night) 0%,#2A1C55 100%);
}
@media (min-width:768px){.cta-box{padding:52px 48px}}
.cta-box::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:28px 28px;opacity:.5;
}
.cta-grid{position:relative;z-index:1;display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}}
.cta-box h2{font-size:24px;font-weight:800;line-height:1.3;color:#fff}
@media (min-width:1024px){.cta-box h2{font-size:30px}}
.cta-box p{color:rgba(255,255,255,.75);font-size:15px;margin-top:14px;line-height:1.85}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-points li{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-dark);color:rgba(255,255,255,.88);background:rgba(255,255,255,.06);
}
.cta-label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:8px}
.cta-input{
  width:100%;height:48px;border-radius:var(--r-md);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cta-input::placeholder{color:rgba(255,255,255,.45)}
.cta-input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.12);box-shadow:0 0 0 4px rgba(255,122,69,.18)}
.cta-form .btn{margin-top:14px}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px;line-height:1.7}

/* ---------- Footer ---------- */
.site-footer{background:var(--night);color:#fff;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1.5fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:14px;color:#fff}
.footer-about{color:rgba(255,255,255,.65);font-size:14px;line-height:1.8;max-width:320px;margin:0}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .18s ease}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-input{
  height:44px;flex:1;min-width:150px;border-radius:var(--r-md);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);padding:0 14px;color:#fff;font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.footer-input::placeholder{color:rgba(255,255,255,.45)}
.footer-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,122,69,.18)}
.footer-hint{font-size:13px;color:rgba(255,255,255,.5);margin:12px 0 0;line-height:1.7}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line-dark);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.sep{margin:0 8px;opacity:.4}

@media (max-width:519px){
  .cat-hero h1{font-size:26px}
  .section-head h2{font-size:22px}
  .rank-num{font-size:26px;min-width:52px}
  .btn{padding:0 20px}
}