/* roulang page: index */
:root{
  --bg-void:#070A13;
  --bg-deep:#0B1020;
  --bg-raise:#111A2E;
  --primary:#2FE3C4;
  --primary-2:#56B8FF;
  --accent:#FF7A5A;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.14);
  --text:#EAF0FA;
  --text-2:#A9B6CE;
  --text-3:#6E7C96;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-pill:999px;
  --sh-card:0 12px 36px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(47,227,196,.45),0 8px 28px rgba(47,227,196,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-void);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  transition:background .25s ease,backdrop-filter .25s ease,box-shadow .25s ease,height .25s ease;
  height:76px;
  display:flex;align-items:center;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(7,10,19,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;
  color:#04221c;
  background:linear-gradient(145deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(47,227,196,.35);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-name em{font-style:normal;color:var(--primary)}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.city-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--text);font-size:14px;cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.city-btn:hover{border-color:var(--primary);color:var(--primary)}
.city-btn .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.city-btn .caret{font-size:11px;color:var(--text-3)}
.nav-join{
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--primary);color:#04221c;font-size:14px;font-weight:700;
  transition:box-shadow .18s ease,transform .18s ease,filter .18s ease;
}
.nav-join:hover{filter:brightness(1.08);box-shadow:var(--sh-glow);transform:translateY(-1px)}
.burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);cursor:pointer;
}
.burger span{display:block;height:2px;width:18px;margin:0 auto;background:var(--text);border-radius:2px}

/* 城市弹层 */
.city-pop{
  position:absolute;top:calc(100% + 10px);right:24px;width:420px;
  padding:20px;border-radius:var(--r-l);
  background:rgba(11,16,32,.96);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh-card);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.city-pop h4{font-size:14px;color:var(--text-3);font-weight:600;margin-bottom:12px;letter-spacing:.06em}
.city-search{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:var(--r-pill);
  background:var(--bg-raise);border:1px solid var(--glass-line);
  color:var(--text-3);font-size:14px;margin-bottom:16px;
}
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.city-grid a{
  text-align:center;padding:8px 4px;border-radius:var(--r-s);
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.03);
  transition:background .16s ease,color .16s ease;
}
.city-grid a:hover{background:rgba(47,227,196,.14);color:var(--primary)}
.city-locate{
  margin-top:16px;width:100%;padding:11px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,rgba(47,227,196,.18),rgba(86,184,255,.12));
  border:1px solid rgba(47,227,196,.4);color:var(--primary);
  font-size:14px;font-weight:600;cursor:pointer;
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(7,10,19,.97);
  backdrop-filter:blur(14px);
  padding:22px 20px 40px;
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer[hidden]{display:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-city{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--text);font-size:14px;cursor:pointer;
}
.drawer-close{
  width:40px;height:40px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--text);font-size:18px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  padding:15px 4px;font-size:17px;color:var(--text);
  border-bottom:1px solid rgba(255,255,255,.07);
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
}
.btn-primary{background:var(--primary);color:#04221c;box-shadow:0 10px 26px rgba(47,227,196,.24)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:var(--sh-glow);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--glass);border-color:var(--glass-line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-accent{background:rgba(255,122,90,.14);border:1px solid rgba(255,122,90,.5);color:var(--accent)}
.btn-accent:hover{background:rgba(255,122,90,.22);transform:translateY(-1px)}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.36);color:var(--primary);
}
.badge-accent{background:rgba(255,122,90,.12);border-color:rgba(255,122,90,.4);color:var(--accent)}
.badge-muted{background:rgba(255,255,255,.05);border-color:var(--glass-line);color:var(--text-2)}

.card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-l);
  padding:24px;
  box-shadow:var(--sh-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,.03));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;
}
.card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.4);box-shadow:0 18px 44px rgba(0,0,0,.5)}

.thumb{
  position:relative;overflow:hidden;border-radius:var(--r-m);
  background:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/22px 22px,
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/22px 22px,
    var(--bg-raise);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.card:hover .thumb img,.thumb:hover img{transform:scale(1.03)}

.section{position:relative;padding:84px 0}
.section--deep{background:var(--bg-deep)}
.section--line{border-top:1px solid rgba(255,255,255,.06)}
.section--glow::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.16),transparent 68%);
  filter:blur(120px);top:-160px;left:-120px;pointer-events:none;
}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary)}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:14px}
.sec-desc{color:var(--text-2);font-size:16px}

.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:150px 0 76px;overflow:hidden;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/0aee0554cf5877bb.jpg') center/cover no-repeat;
  opacity:.42;filter:saturate(.95);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(circle at 78% 18%,rgba(47,227,196,.16),transparent 46%),
    linear-gradient(180deg,rgba(7,10,19,.78) 0%,rgba(7,10,19,.9) 58%,var(--bg-void) 100%);
}
.hero-inner{max-width:820px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(47,227,196,.4);
  font-size:13px;color:var(--primary);font-weight:600;
  margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;box-shadow:0 0 10px var(--accent)}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:700;line-height:1.22;letter-spacing:-.015em;
  margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-lead{
  color:var(--text-2);font-size:16.5px;line-height:1.85;
  max-width:720px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);
  font-size:13px;color:var(--text-2);
}
.trust-item strong{color:var(--primary);font-weight:700}
.hero-stats{
  margin-top:46px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  max-width:860px;
}
.hero-stat{
  padding:16px 18px;border-radius:var(--r-m);
  background:rgba(11,16,32,.62);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.hero-stat b{display:block;font-size:22px;color:var(--primary);letter-spacing:.01em}
.hero-stat span{font-size:12.5px;color:var(--text-3)}

/* ---------- 城市热度条 ---------- */
.city-strip{
  padding:16px 0;
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.city-strip-inner{display:flex;align-items:center;gap:18px}
.city-rail{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0;
  scrollbar-width:none;flex:1;
}
.city-rail::-webkit-scrollbar{display:none}
.city-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  font-size:13.5px;color:var(--text-2);white-space:nowrap;
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.city-pill span{font-size:12px;color:var(--text-3)}
.city-pill:hover{border-color:rgba(47,227,196,.5);color:var(--primary);background:rgba(47,227,196,.08)}
.city-pill:hover span{color:var(--primary)}
.link-weak{
  flex:0 0 auto;font-size:13.5px;color:var(--text-3);
  border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease;
}
.link-weak:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 适用人群 ---------- */
.audience-card{padding:26px 22px}
.audience-icon{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;margin-bottom:16px;
  background:rgba(47,227,196,.12);
  border:1px solid rgba(47,227,196,.34);
  color:var(--primary);font-size:18px;font-weight:700;
}
.audience-card h3{font-size:18px;margin-bottom:10px}
.audience-card p{font-size:14.5px;color:var(--text-2)}

/* ---------- 适合 / 不适合 ---------- */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fit-card{padding:30px}
.fit-card h3{font-size:20px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.fit-card h3 i{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-style:normal;font-size:13px;font-weight:700;
}
.fit-yes h3 i{background:rgba(47,227,196,.16);color:var(--primary);border:1px solid rgba(47,227,196,.45)}
.fit-no h3 i{background:rgba(255,122,90,.14);color:var(--accent);border:1px solid rgba(255,122,90,.4)}
.fit-list li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:14.8px;color:var(--text-2);line-height:1.7;
}
.fit-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 8px rgba(47,227,196,.6);
}
.fit-no .fit-list li::before{background:var(--accent);box-shadow:0 0 8px rgba(255,122,90,.5)}

/* ---------- 匹配方案 ---------- */
.match-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.match-card{display:flex;flex-direction:column;gap:16px;padding:26px}
.match-card.big{grid-column:span 2}
.match-card h3{font-size:20px}
.match-card p{font-size:14.5px;color:var(--text-2)}
.match-card .thumb{aspect-ratio:16/9}
.match-card.big .thumb{aspect-ratio:16/8}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}

/* ---------- 玩法 ---------- */
.play-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.play-card{padding:26px 22px;position:relative;overflow:hidden}
.play-card .idx{
  font-size:34px;font-weight:800;letter-spacing:-.02em;
  color:rgba(47,227,196,.28);
  margin-bottom:10px;display:block;
}
.play-card h3{font-size:18px;margin-bottom:10px}
.play-card p{font-size:14px;color:var(--text-2);margin-bottom:16px}

/* ---------- 场景 Tab ---------- */
.tabs-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.tab-btn{
  padding:10px 22px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  color:var(--text-2);font-size:14.5px;cursor:pointer;
  transition:all .18s ease;
}
.tab-btn:hover{color:var(--text);border-color:rgba(47,227,196,.45)}
.tab-btn.active{
  background:rgba(47,227,196,.14);border-color:rgba(47,227,196,.6);
  color:var(--primary);font-weight:600;
}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn .28s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.scene-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:34px;align-items:center}
.scene-copy h3{font-size:24px;margin-bottom:16px}
.scene-copy p{color:var(--text-2);font-size:15.5px;margin-bottom:22px}
.scene-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.08);
  font-size:14.8px;color:var(--text-2);
}
.scene-points li:last-child{border-bottom:none}
.scene-points b{color:var(--text);font-weight:600;flex:0 0 auto}
.scene-media .thumb{aspect-ratio:4/3;border-radius:var(--r-l)}

/* ---------- 截图轮播 ---------- */
.shots{position:relative;max-width:920px;margin:0 auto}
.shots-frame{
  position:relative;overflow:hidden;
  border-radius:var(--r-l);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh-card),0 0 60px rgba(47,227,196,.12);
  background:var(--bg-raise);
}
.shots-track{display:flex;transition:transform .42s cubic-bezier(.4,0,.2,1)}
.shot{flex:0 0 100%;margin:0;position:relative}
.shot img{width:100%;aspect-ratio:16/9;object-fit:cover}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:38px 24px 18px;font-size:14px;color:var(--text);
  background:linear-gradient(180deg,transparent,rgba(7,10,19,.92));
}
.shots-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(11,16,32,.78);border:1px solid var(--glass-line);
  color:var(--text);font-size:16px;cursor:pointer;z-index:3;
  display:grid;place-items:center;transition:border-color .18s ease,color .18s ease;
}
.shots-arrow:hover{border-color:var(--primary);color:var(--primary)}
.shots-arrow.prev{left:14px}
.shots-arrow.next{right:14px}
.shots-dots{display:flex;justify-content:center;gap:9px;margin-top:22px}
.shots-dots button{
  width:9px;height:9px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.2);transition:all .18s ease;
}
.shots-dots button.active{width:24px;border-radius:5px;background:var(--primary);box-shadow:0 0 12px rgba(47,227,196,.6)}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.case-card{padding:26px}
.case-card.offset{margin-top:34px}
.case-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{
  width:46px;height:46px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-weight:700;font-size:15px;
  background:linear-gradient(145deg,rgba(47,227,196,.28),rgba(86,184,255,.18));
  border:1px solid rgba(47,227,196,.4);color:var(--primary);
}
.case-head b{display:block;font-size:15.5px}
.case-head span{font-size:12.5px;color:var(--text-3)}
.case-card .thumb{aspect-ratio:16/9;margin-bottom:16px}
.case-card p{font-size:14.5px;color:var(--text-2);margin-bottom:16px}
.case-result{display:flex;gap:22px;padding-top:14px;border-top:1px solid rgba(255,255,255,.08)}
.case-result div b{display:block;font-size:19px;color:var(--primary)}
.case-result div span{font-size:12.5px;color:var(--text-3)}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-card{padding:30px 26px;display:flex;flex-direction:column}
.price-card.featured{
  border-color:rgba(47,227,196,.55);
  box-shadow:0 0 0 1px rgba(47,227,196,.35),0 18px 48px rgba(47,227,196,.16);
  background:linear-gradient(180deg,rgba(47,227,196,.09),rgba(255,255,255,.03));
}
.price-card h3{font-size:19px;margin-bottom:8px}
.price-card .price-note{font-size:13px;color:var(--text-3);margin-bottom:18px}
.price-amount{display:flex;align-items:flex-end;gap:6px;margin-bottom:22px}
.price-amount b{font-size:38px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.price-amount em{font-style:normal;font-size:14px;color:var(--text-3);padding-bottom:8px}
.price-card.featured .price-amount b{color:var(--primary)}
.price-list{margin-bottom:26px}
.price-list li{
  position:relative;padding-left:22px;margin-bottom:11px;
  font-size:14.3px;color:var(--text-2);
}
.price-list li::before{
  content:"✓";position:absolute;left:0;top:0;
  color:var(--primary);font-size:13px;font-weight:700;
}
.price-card .btn{margin-top:auto;width:100%}
.price-foot{text-align:center;font-size:13px;color:var(--text-3);margin-top:26px}

/* ---------- 评价墙 ---------- */
.review-wall{column-count:3;column-gap:18px}
.review-card{
  break-inside:avoid;margin-bottom:18px;
  padding:22px;border-radius:var(--r-m);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:border-color .18s ease,transform .18s ease;
}
.review-card:hover{border-color:rgba(47,227,196,.4);transform:translateY(-3px)}
.review-top{display:flex;align-items:center;gap:11px;margin-bottom:12px}
.review-top .avatar{width:38px;height:38px;font-size:13px}
.review-top b{font-size:14px;display:block}
.review-top span{font-size:12px;color:var(--text-3)}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px;margin-bottom:10px}
.review-card p{font-size:14.3px;color:var(--text-2);margin-bottom:12px}
.review-time{font-size:12px;color:var(--text-3)}

/* ---------- 数据条 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-box{
  padding:30px 22px;text-align:center;border-radius:var(--r-l);
  background:rgba(255,255,255,.03);
  border:1px solid rgba(47,227,196,.24);
  box-shadow:inset 0 0 24px rgba(47,227,196,.06);
}
.stat-box b{
  display:block;font-size:clamp(26px,3.4vw,36px);font-weight:800;
  color:var(--primary);letter-spacing:-.02em;
  text-shadow:0 0 22px rgba(47,227,196,.45);
}
.stat-box span{font-size:13.5px;color:var(--text-2)}

/* ---------- 安全 ---------- */
.safety-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center}
.safety-list li{
  display:flex;gap:16px;padding:18px 0;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.safety-list li:last-child{border-bottom:none}
.safety-ico{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(47,227,196,.1);
  border:1px solid rgba(47,227,196,.32);
  color:var(--primary);font-size:16px;
}
.safety-list b{display:block;font-size:16px;margin-bottom:5px}
.safety-list p{font-size:14.2px;color:var(--text-2)}
.safety-card{padding:28px}
.verify-line{display:flex;flex-direction:column;gap:0;margin-top:8px}
.verify-step{display:flex;gap:14px}
.verify-step .dotcol{display:flex;flex-direction:column;align-items:center}
.verify-step .dotcol i{
  width:12px;height:12px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 10px rgba(47,227,196,.7);flex:0 0 auto;margin-top:6px;
}
.verify-step .dotcol span{width:1px;flex:1;background:rgba(47,227,196,.3);min-height:36px}
.verify-step:last-child .dotcol span{display:none}
.verify-step div b{font-size:14.5px;display:block}
.verify-step div p{font-size:13.2px;color:var(--text-3)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{padding:28px 24px;position:relative}
.step-num{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;margin-bottom:16px;
  background:rgba(255,122,90,.16);
  border:1px solid rgba(255,122,90,.5);
  color:var(--accent);font-weight:800;font-size:15px;
}
.step-card h3{font-size:18px;margin-bottom:10px}
.step-card p{font-size:14.3px;color:var(--text-2)}

/* ---------- 城市频道 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.channel-card{
  padding:22px 20px;border-radius:var(--r-m);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:border-color .18s ease,transform .18s ease,background .18s ease;
  display:block;
}
.channel-card:hover{
  border-color:rgba(47,227,196,.5);transform:translateY(-3px);
  background:rgba(47,227,196,.07);
}
.channel-card b{display:block;font-size:16.5px;margin-bottom:6px}
.channel-card span{font-size:13px;color:var(--text-3);display:block;margin-bottom:10px}
.channel-card em{
  font-style:normal;font-size:12.5px;color:var(--primary);
  display:inline-flex;align-items:center;gap:5px;
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:flex;flex-direction:column;padding:0;overflow:hidden}
.news-thumb{aspect-ratio:16/10;border-radius:0;border-bottom:1px solid rgba(255,255,255,.07)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:16.5px;line-height:1.5;font-weight:600}
.news-title a:hover{color:var(--primary)}
.news-excerpt{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);padding-top:12px;
  border-top:1px solid rgba(255,255,255,.07);
}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:60px 24px;
  border-radius:var(--r-l);border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.03);
}
.empty-state p{color:var(--text-2);margin-bottom:18px;font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--glass-line);border-radius:var(--r-m);
  background:rgba(255,255,255,.03);overflow:hidden;
  transition:border-color .18s ease,background .18s ease;
}
.faq-item.open{border-color:rgba(47,227,196,.5);background:rgba(47,227,196,.05)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;
  color:var(--text);font-size:15.5px;font-weight:600;text-align:left;
}
.faq-q .chev{color:var(--primary);font-size:12px;transition:transform .2s ease}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease,padding .28s ease;
  padding:0 22px;
}
.faq-item.open .faq-a{max-height:320px;padding:0 22px 20px}
.faq-a p{font-size:14.3px;color:var(--text-2);line-height:1.8}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  padding:56px 48px;border-radius:var(--r-l);
  background:
    radial-gradient(circle at 82% 24%,rgba(47,227,196,.22),transparent 52%),
    linear-gradient(120deg,rgba(17,26,46,.96),rgba(11,16,32,.96));
  border:1px solid rgba(47,227,196,.34);
  box-shadow:var(--sh-card);
  display:grid;grid-template-columns:1.4fr auto;gap:36px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/d46d88ebd91e65bd.jpg') center/cover no-repeat;
  opacity:.08;pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(23px,3vw,31px);margin-bottom:14px}
.cta-copy p{color:var(--text-2);font-size:15px;max-width:560px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{font-size:12.5px;color:var(--text-3);margin-top:16px}
.qr-box{
  position:relative;z-index:1;width:168px;text-align:center;
  padding:14px;border-radius:var(--r-m);
  background:rgba(7,10,19,.72);border:1px solid var(--glass-line);
}
.qr-box .thumb{aspect-ratio:1/1;border-radius:var(--r-s);margin-bottom:10px}
.qr-box span{font-size:12.5px;color:var(--text-3)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:46px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;margin-bottom:18px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.06em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:13.8px;color:var(--text-3);transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.8px;color:var(--text-3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-4,.match-grid,.play-rail,.channel-grid{grid-template-columns:repeat(2,1fr)}
  .match-card.big{grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .review-wall{column-count:2}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{gap:16px}
}
@media (max-width:995px){
  .nav-main{display:none}
  .city-btn,.nav-join{display:none}
  .burger{display:flex}
  .site-header{height:64px}
  .section{padding:64px 0}
  .hero{padding:120px 0 60px}
  .scene-layout,.safety-grid,.fit-grid,.case-grid,.cta-panel{grid-template-columns:1fr}
  .case-card.offset{margin-top:0}
  .price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .steps{grid-template-columns:1fr}
  .cta-panel{padding:40px 28px;gap:26px}
  .qr-box{margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .city-pop{right:16px;width:calc(100% - 32px);max-width:420px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .hero{padding:104px 0 48px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:15.2px}
  .hero-stats,.grid-2,.grid-3,.grid-4,.match-grid,.play-rail,.news-grid,.channel-grid,.stats-grid{grid-template-columns:1fr}
  .match-card.big{grid-column:span 1}
  .review-wall{column-count:1}
  .card,.audience-card,.match-card,.play-card,.price-card,.case-card,.step-card,.safety-card{padding:20px}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .city-strip-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .card{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(20,28,48,.9)}
  .faq-q{padding:16px 18px;font-size:14.5px}
  .faq-a,.faq-item.open .faq-a{padding-left:18px;padding-right:18px}
  .shots-arrow{width:36px;height:36px;font-size:14px}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .hero-badge{font-size:12px;padding:6px 12px}
  .sec-title{font-size:22px}
  .price-amount b{font-size:32px}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  .shot figcaption{font-size:12.5px;padding:30px 16px 14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg-void:#070A13;
  --bg-deep:#0B1020;
  --bg-raise:#111A2E;
  --primary:#2FE3C4;
  --primary-2:#56B8FF;
  --accent:#FF7A5A;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.14);
  --text:#EAF0FA;
  --text-2:#A9B6CE;
  --text-3:#6E7C96;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-pill:999px;
  --sh-card:0 12px 36px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(47,227,196,.45),0 8px 28px rgba(47,227,196,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-void);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:14px}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(47,227,196,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:76px;display:flex;align-items:center;
  transition:background .25s ease,backdrop-filter .25s ease,box-shadow .25s ease,height .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(7,10,19,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;color:#04221c;
  background:linear-gradient(145deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(47,227,196,.35);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--primary)}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .18s ease;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.city-btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text);font-size:14px;cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.city-btn:hover{border-color:var(--primary);color:var(--primary)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);display:inline-block}
.city-btn .caret{font-size:11px;color:var(--text-3)}
.nav-join{
  padding:10px 20px;border-radius:var(--r-pill);background:var(--primary);color:#04221c;
  font-size:14px;font-weight:700;white-space:nowrap;
  transition:box-shadow .18s ease,transform .18s ease,filter .18s ease;
}
.nav-join:hover{filter:brightness(1.08);box-shadow:var(--sh-glow);transform:translateY(-1px)}
.burger{
  display:none;width:40px;height:40px;border-radius:12px;background:var(--glass);
  border:1px solid var(--glass-line);cursor:pointer;flex-direction:column;
  justify-content:center;align-items:center;gap:4px;padding:0;
}
.burger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px}
.city-pop{
  position:absolute;top:calc(100% - 4px);right:24px;width:340px;z-index:90;
  background:rgba(11,16,32,.97);border:1px solid var(--glass-line);border-radius:var(--r-l);
  padding:18px;box-shadow:var(--sh-card);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.city-pop[hidden]{display:none}
.city-pop h4{font-size:14px;color:var(--text-2);font-weight:600;margin-bottom:12px}
.city-search{
  display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--r-pill);
  background:var(--bg-raise);border:1px solid var(--glass-line);color:var(--text-3);
  font-size:14px;margin-bottom:16px;
}
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.city-grid a{
  text-align:center;padding:8px 4px;border-radius:var(--r-s);font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.03);transition:background .16s ease,color .16s ease;
}
.city-grid a:hover{background:rgba(47,227,196,.14);color:var(--primary)}
.city-locate{
  width:100%;margin-top:14px;padding:10px;border-radius:var(--r-pill);
  background:rgba(47,227,196,.1);border:1px solid rgba(47,227,196,.4);color:var(--primary);
  font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.city-locate:hover{background:rgba(47,227,196,.18)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(7,10,19,.97);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:22px 20px 40px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer[hidden]{display:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-city{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text);font-size:14px;cursor:pointer;
}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:var(--glass);
  border:1px solid var(--glass-line);color:var(--text);font-size:16px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;margin-top:6px}
.drawer-nav a{padding:15px 4px;font-size:17px;color:var(--text);border-bottom:1px solid rgba(255,255,255,.07)}
.drawer-cta{margin-top:18px;width:100%}

/* ---------- components ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
}
.btn-primary{background:var(--primary);color:#04221c;box-shadow:0 10px 26px rgba(47,227,196,.24)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:var(--sh-glow);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--glass);border-color:var(--glass-line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-accent{background:rgba(255,122,90,.14);border:1px solid rgba(255,122,90,.5);color:var(--accent)}
.btn-accent:hover{background:rgba(255,122,90,.22);transform:translateY(-1px)}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.36);color:var(--primary);
}
.badge-accent{background:rgba(255,122,90,.12);border-color:rgba(255,122,90,.4);color:var(--accent)}
.badge-muted{background:rgba(255,255,255,.05);border-color:var(--glass-line);color:var(--text-2)}
.card{
  position:relative;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-l);padding:24px;box-shadow:var(--sh-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.4);box-shadow:0 18px 46px rgba(0,0,0,.55)}
.section{padding:72px 0;position:relative}
.section--deep{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.section-head{margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--text-2);font-size:15px;margin-top:8px}
.thumb{
  position:relative;border-radius:var(--r-m);overflow:hidden;background:var(--bg-raise);
  border:1px solid rgba(255,255,255,.08);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,19,0) 40%,rgba(7,10,19,.55) 100%);
}
a:hover .thumb img{transform:scale(1.03)}

/* ---------- article layout ---------- */
.site-main{padding-top:76px}
.crumb-bar{
  background:linear-gradient(180deg,rgba(17,26,46,.65),rgba(7,10,19,0));
  border-bottom:1px solid rgba(255,255,255,.06);
  padding:18px 0 16px;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-3);transition:color .16s ease}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb-current{color:var(--text-2);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-band{padding:44px 0 72px;position:relative}
.article-band::before{
  content:"";position:absolute;top:-120px;left:8%;width:420px;height:420px;
  background:radial-gradient(circle,rgba(47,227,196,.16),transparent 68%);
  filter:blur(40px);pointer-events:none;
}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;position:relative}
.post-head{margin-bottom:26px}
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.post-head h1{
  font-size:clamp(26px,3.2vw,38px);line-height:1.32;font-weight:700;letter-spacing:-.01em;
  margin-bottom:20px;
}
.post-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}
.meta-avatar{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(145deg,var(--primary),var(--primary-2));
  box-shadow:0 4px 14px rgba(47,227,196,.3);
}
.meta-strong{color:var(--text-2);font-weight:600}
.dot-sep{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.25);display:inline-block}
.share-group{margin-left:auto;display:flex;gap:8px}
.share-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--text-2);
  font-size:12px;cursor:pointer;transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.share-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.post-cover{margin-bottom:34px}
.post-cover .thumb{aspect-ratio:16/9;border-radius:var(--r-l)}
.post-cover figcaption{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.6}
.post-body{
  background:rgba(255,255,255,.035);
  border:1px solid var(--glass-line);
  border-radius:var(--r-l);
  padding:34px 34px 12px;
  box-shadow:var(--sh-card);
}
.prose{max-width:760px;font-size:16.5px;line-height:1.85;color:var(--text-2)}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 20px}
.prose h2{
  font-size:26px;line-height:1.42;font-weight:700;color:var(--text);
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.prose h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--text);margin:30px 0 12px}
.prose h4{font-size:17px;font-weight:600;color:var(--text);margin:24px 0 10px}
.prose a{color:var(--primary);border-bottom:1px solid rgba(47,227,196,.45);transition:color .16s ease,border-color .16s ease}
.prose a:hover{color:#7ff5de;border-color:#7ff5de}
.prose ul,.prose ol{margin:0 0 20px;padding-left:22px}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li{margin-bottom:8px}
.prose blockquote{
  margin:28px 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:rgba(255,255,255,.05);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--text);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-m);margin:26px 0 10px;width:100%}
.prose code{
  background:rgba(86,184,255,.14);color:#a6dcff;padding:2px 6px;border-radius:6px;
  font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.prose pre{
  background:#0d1526;border:1px solid var(--glass-line);border-radius:var(--r-m);
  padding:16px 18px;overflow-x:auto;margin:0 0 22px;
}
.prose pre code{background:none;padding:0;color:#bcd6ff;font-size:13.5px;line-height:1.7}
.prose hr{border:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.16),transparent);margin:36px 0}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px}
.prose th,.prose td{border:1px solid var(--glass-line);padding:10px 14px;text-align:left}
.prose th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600}
.author-card{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:30px;padding:22px 24px;border-radius:var(--r-l);
  background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--sh-card);
}
.author-avatar{
  width:56px;height:56px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(145deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 22px rgba(47,227,196,.32);
}
.author-info{flex:1;min-width:200px}
.author-info strong{display:block;font-size:16px;color:var(--text);margin-bottom:4px}
.author-info p{font-size:14px;color:var(--text-2);line-height:1.7}
.author-follow{
  padding:10px 22px;border-radius:var(--r-pill);background:rgba(47,227,196,.12);
  border:1px solid rgba(47,227,196,.42);color:var(--primary);font-size:14px;font-weight:600;
  transition:background .18s ease;
}
.author-follow:hover{background:rgba(47,227,196,.2)}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-l);
  padding:20px;box-shadow:var(--sh-card);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:3px;height:14px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.hot-list{display:flex;flex-direction:column;gap:2px}
.hot-list a{
  display:flex;gap:10px;align-items:flex-start;padding:10px 8px;border-radius:var(--r-s);
  font-size:14px;color:var(--text-2);line-height:1.6;transition:background .16s ease,color .16s ease;
}
.hot-list a:hover{background:var(--bg-raise);color:var(--text)}
.hot-num{
  flex-shrink:0;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:11px;font-weight:700;color:var(--text-3);background:rgba(255,255,255,.06);
}
.hot-list a:nth-child(1) .hot-num{background:rgba(47,227,196,.18);color:var(--primary)}
.hot-list a:nth-child(2) .hot-num{background:rgba(47,227,196,.12);color:var(--primary)}
.hot-list a:nth-child(3) .hot-num{background:rgba(255,122,90,.16);color:var(--accent)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
  transition:border-color .16s ease,color .16s ease;
}
.tag-cloud a:hover{border-color:var(--primary);color:var(--primary)}
.side-cta{
  border-radius:var(--r-l);padding:22px;
  background:linear-gradient(160deg,rgba(47,227,196,.14),rgba(86,184,255,.08));
  border:1px solid rgba(47,227,196,.32);
}
.side-cta h3{font-size:17px;color:var(--text);font-weight:700;margin-bottom:8px}
.side-cta p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:16px}
.side-cta .btn{width:100%;padding:11px 18px;font-size:14px}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.4)}
.post-card .thumb{aspect-ratio:16/10;border-radius:0;border:0}
.post-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card-body h3{
  font-size:17px;line-height:1.55;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card-body p{
  font-size:13.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- pager ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.pager .btn{padding:12px 24px}
.pager-center{display:flex;justify-content:center;margin-top:26px}

/* ---------- empty ---------- */
.empty-state{
  max-width:560px;margin:0 auto;text-align:center;padding:56px 28px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-l);
  box-shadow:var(--sh-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;
  font-size:26px;color:var(--primary);background:rgba(47,227,196,.12);
  border:1px solid rgba(47,227,196,.34);
}
.empty-state h2{font-size:22px;color:var(--text);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.08);
  padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:34ch}
.footer-col h4{font-size:14px;color:var(--text);font-weight:700;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:var(--text-3)}
.footer-bottom .links a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-grid{grid-template-columns:1fr;gap:36px}
  .article-side{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
  .side-cta{grid-column:span 2}
}
@media (max-width:995px){
  .nav-main{display:none}
  .nav-tools .city-btn{display:none}
  .burger{display:flex}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:span 2}
  .footer-brand p{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-join{display:none}
  .header, .site-header{height:64px}
  .site-header.is-scrolled{height:60px}
  .site-main{padding-top:64px}
  .city-pop{right:16px;left:16px;width:auto}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  .article-band{padding:30px 0 52px}
  .post-body{padding:22px 18px 6px;border-radius:var(--r-m)}
  .post-cover .thumb{border-radius:var(--r-m)}
  .prose{font-size:16px;line-height:1.8}
  .prose h2{font-size:22px;margin:32px 0 14px}
  .prose h3{font-size:18px}
  .share-group{margin-left:0;width:100%}
  .section{padding:48px 0}
  .related-grid{grid-template-columns:1fr}
  .article-side{grid-template-columns:1fr}
  .side-cta{grid-column:span 1}
  .author-card{padding:18px}
  .pager{flex-direction:column;align-items:stretch}
  .pager .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:span 2}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .brand-name{font-size:15px}
  .brand-name em{display:none}
  .post-head h1{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:span 1}
  .crumb-current{max-width:28ch}
}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg-void:#070A13;
  --bg-deep:#0B1020;
  --bg-raise:#111A2E;
  --primary:#2FE3C4;
  --primary-2:#56B8FF;
  --accent:#FF7A5A;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.14);
  --text:#EAF0FA;
  --text-2:#A9B6CE;
  --text-3:#6E7C96;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-pill:999px;
  --sh-card:0 12px 36px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(47,227,196,.45),0 8px 28px rgba(47,227,196,.28);
  --container:1200px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-top:76px;
  background:var(--bg-void);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:76px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .25s ease,backdrop-filter .25s ease,box-shadow .25s ease,height .25s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(7,10,19,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.09);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;
  color:#04221c;
  background:linear-gradient(145deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(47,227,196,.35);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--primary)}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .18s ease;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.city-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);
  color:var(--text);font-size:14px;cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.city-btn:hover{border-color:var(--primary);color:var(--primary)}
.city-btn .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.city-btn .caret{font-size:11px;color:var(--text-3)}
.nav-join{
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--primary);color:#04221c;font-size:14px;font-weight:700;
  transition:box-shadow .18s ease,transform .18s ease,filter .18s ease;
  white-space:nowrap;
}
.nav-join:hover{filter:brightness(1.08);box-shadow:var(--sh-glow);transform:translateY(-1px)}
.burger{display:none;width:40px;height:40px;padding:0;border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);cursor:pointer}
.burger span{display:block;width:18px;height:2px;margin:3px auto;border-radius:2px;background:var(--text)}
.city-pop{
  position:absolute;top:calc(100% + 10px);right:24px;width:360px;
  background:var(--bg-raise);border:1px solid var(--glass-line);
  border-radius:var(--r-l);padding:20px;box-shadow:var(--sh-card);z-index:90;
}
.city-pop[hidden]{display:none}
.city-pop h4{font-size:15px;margin-bottom:14px;color:var(--text);font-weight:600}
.city-search{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  color:var(--text-3);font-size:14px;margin-bottom:16px;
}
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.city-grid a{
  text-align:center;padding:8px 4px;border-radius:var(--r-s);
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.03);
  transition:background .16s ease,color .16s ease;
}
.city-grid a:hover{background:rgba(47,227,196,.14);color:var(--primary)}
.city-locate{
  width:100%;margin-top:16px;padding:11px 0;border-radius:var(--r-pill);
  background:rgba(47,227,196,.1);border:1px solid rgba(47,227,196,.42);
  color:var(--primary);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background .18s ease;
}
.city-locate:hover{background:rgba(47,227,196,.2)}
.drawer{position:fixed;inset:0;z-index:120;background:rgba(7,10,19,.97);backdrop-filter:blur(14px);padding:22px 20px 40px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.drawer[hidden]{display:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-city{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);background:var(--glass);border:1px solid var(--glass-line);color:var(--text);font-size:14px;cursor:pointer}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);color:var(--text);font-size:18px;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:15px 4px;font-size:17px;color:var(--text);border-bottom:1px solid rgba(255,255,255,.07)}
.drawer-nav a.is-on{color:var(--primary)}
.drawer-join{margin-top:22px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
}
.btn-primary{background:var(--primary);color:#04221c;box-shadow:0 10px 26px rgba(47,227,196,.24)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:var(--sh-glow);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--glass);border-color:var(--glass-line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.36);color:var(--primary);
}
.badge-accent{background:rgba(255,122,90,.12);border-color:rgba(255,122,90,.4);color:var(--accent)}
.badge-muted{background:rgba(255,255,255,.05);border-color:var(--glass-line);color:var(--text-2)}

/* ---------- 分类页头 ---------- */
.cat-hero{position:relative;overflow:hidden;padding:52px 0 64px;border-bottom:1px solid rgba(255,255,255,.07)}
.cat-hero::before{
  content:"";position:absolute;top:-180px;left:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.16),transparent 70%);
  filter:blur(100px);pointer-events:none;
}
.crumb{position:relative;display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .now{color:var(--text-2)}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.cat-hero-text h1{font-size:clamp(26px,3.2vw,38px);line-height:1.34;font-weight:700;letter-spacing:-.01em;margin:16px 0 18px}
.cat-hero-text h1 span{color:var(--primary)}
.cat-hero-text .lead{font-size:15.5px;color:var(--text-2);margin-bottom:12px;max-width:660px}
.cat-hero-text .lead strong{color:var(--text);font-weight:600}
.cat-stat{
  position:relative;padding:22px;border-radius:var(--r-l);
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--sh-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.cat-stat::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.13),transparent 42%);
  opacity:.7;
}
.cat-stat h3{position:relative;font-size:14px;color:var(--text-2);font-weight:600;margin-bottom:8px}
.stat-row{position:relative;display:flex;align-items:baseline;justify-content:space-between;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.09);font-size:13.5px;color:var(--text-2)}
.stat-row strong{font-size:19px;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.stat-tags{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.stat-tags span{font-size:12px;padding:4px 11px;border-radius:var(--r-pill);background:rgba(255,122,90,.12);border:1px solid rgba(255,122,90,.35);color:var(--accent)}
.city-strip{display:none;background:var(--bg-deep);border-bottom:1px solid rgba(255,255,255,.07)}
.city-strip .container{display:flex;align-items:center;justify-content:space-between;padding-top:10px;padding-bottom:10px;font-size:13px;color:var(--text-2)}
.strip-btn{background:none;border:none;color:var(--primary);font-size:13px;cursor:pointer;padding:0}

/* ---------- 筛选条 ---------- */
.filter-bar{padding:20px 0;background:var(--bg-deep);border-bottom:1px solid rgba(255,255,255,.07)}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:7px 16px;border-radius:var(--r-pill);font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.chip:hover{color:var(--primary);border-color:rgba(47,227,196,.5);background:rgba(47,227,196,.08)}
.chip.on{background:rgba(47,227,196,.14);border-color:rgba(47,227,196,.55);color:var(--primary);font-weight:600}
.filter-tools{display:flex;align-items:center;gap:14px}
.result-count{font-size:13px;color:var(--text-3)}
.sort-box{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  font-size:13px;color:var(--text-2);cursor:pointer;transition:border-color .18s ease,color .18s ease;
}
.sort-box:hover{border-color:rgba(47,227,196,.5);color:var(--primary)}

/* ---------- 列表主体 ---------- */
.cat-list{padding:68px 0;position:relative}
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.list-head h2{font-size:clamp(22px,2.4vw,29px);font-weight:700;letter-spacing:-.01em}
.list-head p{font-size:14.5px;color:var(--text-2);margin-top:8px;max-width:620px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-l);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.45);box-shadow:var(--sh-card)}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:var(--bg-raise);position:relative}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.post-card:hover .post-cover img{transform:scale(1.04)}
.post-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:16.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-summary{font-size:13.5px;color:var(--text-2);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:47px}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px dashed rgba(255,255,255,.09);font-size:12.5px;color:var(--text-3)}
.post-foot .read{color:var(--primary);font-weight:600}
.post-card:hover .post-foot .read{text-decoration:underline}
.more-wrap{display:flex;justify-content:center;margin-top:44px}
.btn-more{
  padding:13px 36px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid rgba(47,227,196,.55);color:var(--primary);background:rgba(47,227,196,.06);
  transition:background .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-more:hover{background:rgba(47,227,196,.16);box-shadow:var(--sh-glow);transform:translateY(-1px)}
.empty{
  grid-column:1/-1;padding:64px 24px;text-align:center;border-radius:var(--r-l);
  border:1px dashed rgba(255,255,255,.16);color:var(--text-2);font-size:14.5px;background:rgba(255,255,255,.02);
}
.empty strong{display:block;font-size:17px;color:var(--text);margin-bottom:8px}

/* ---------- 分类问答 ---------- */
.cat-faq{padding:72px 0;background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07)}
.sec-head{margin-bottom:30px}
.sec-head h2{font-size:clamp(22px,2.4vw,29px);font-weight:700;letter-spacing:-.01em}
.sec-head p{font-size:14.5px;color:var(--text-2);margin-top:8px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start}
.faq-item{
  padding:0 20px;border-radius:var(--r-m);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:border-color .18s ease,background .18s ease;
}
.faq-item[open]{border-color:rgba(47,227,196,.45);background:rgba(47,227,196,.06)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;font-size:15.5px;font-weight:600;
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex-shrink:0;color:var(--primary);font-size:18px;font-weight:700;line-height:1.2}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- 标签与专题 ---------- */
.topic-sec{padding:72px 0}
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.topic-box{padding:26px;border-radius:var(--r-l);background:rgba(255,255,255,.03);border:1px solid var(--glass-line)}
.topic-box h3{font-size:18px;font-weight:600;margin-bottom:6px}
.topic-box > p{font-size:13.5px;color:var(--text-3);margin-bottom:16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  transition:color .16s ease,border-color .16s ease,background .16s ease;
}
.tag-cloud a:hover{color:var(--primary);border-color:rgba(47,227,196,.5);background:rgba(47,227,196,.08)}
.topic-list{display:flex;flex-direction:column;gap:12px}
.topic-list li{
  display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:var(--r-m);
  background:rgba(255,255,255,.03);border:1px solid var(--glass-line);
  font-size:14px;color:var(--text-2);transition:border-color .18s ease,background .18s ease;
}
.topic-list li:hover{border-color:rgba(47,227,196,.42);background:rgba(47,227,196,.06)}
.topic-list .idx{flex-shrink:0;font-size:12px;font-weight:700;color:var(--accent);padding-top:3px;font-variant-numeric:tabular-nums}
.topic-list b{display:block;color:var(--text);font-weight:600;font-size:14.5px;margin-bottom:2px}

/* ---------- 编辑推荐 ---------- */
.rec-sec{padding:0 0 72px}
.rec-list{display:flex;flex-direction:column;gap:14px;max-width:860px}
.rec-item{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;padding:14px;
  border-radius:var(--r-m);background:var(--glass);border:1px solid var(--glass-line);
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.rec-item:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.45);background:rgba(47,227,196,.05)}
.rec-cover{aspect-ratio:4/3;border-radius:var(--r-s);overflow:hidden;background:var(--bg-raise)}
.rec-cover img{width:100%;height:100%;object-fit:cover}
.rec-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.rec-body h3{font-size:15.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body p{font-size:13px;color:var(--text-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-3);margin-top:auto}

/* ---------- 安全提示与 CTA ---------- */
.safety-sec{padding:72px 0;background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.07)}
.safety-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:34px;align-items:center}
.safety-list{display:flex;flex-direction:column}
.safety-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.09);font-size:14.5px;color:var(--text-2)}
.safety-list li:last-child{border-bottom:none}
.safety-list .ic{
  flex-shrink:0;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:var(--primary);
  background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.36);
}
.safety-list b{display:block;color:var(--text);font-weight:600;font-size:15px;margin-bottom:2px}
.safety-cta{
  padding:30px 26px;border-radius:var(--r-l);text-align:center;
  background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--sh-card);position:relative;overflow:hidden;
}
.safety-cta::before{
  content:"";position:absolute;bottom:-120px;right:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,90,.18),transparent 70%);filter:blur(60px);pointer-events:none;
}
.safety-cta h3{position:relative;font-size:19px;font-weight:700;margin-bottom:10px}
.safety-cta p{position:relative;font-size:13.5px;color:var(--text-2);margin-bottom:22px}
.cta-group{position:relative;display:flex;flex-direction:column;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.85;margin-top:16px;max-width:350px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;font-weight:600}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:var(--text-2);transition:color .16s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:var(--text-3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cat-hero-inner{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
  .nav-main{gap:20px}
  .nav-link{font-size:14.5px}
}
@media (max-width:995px){
  .nav-main{display:none}
  .city-btn{display:none}
  .burger{display:block}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px}
  .cat-stat{max-width:420px}
  .city-strip{display:block}
  .topic-grid{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .rec-list{max-width:100%}
}
@media (max-width:768px){
  body{padding-top:64px}
  .site-header{height:64px}
  .container{padding:0 16px}
  .brand-name{font-size:15.5px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:14px}
  .nav-join{padding:8px 14px;font-size:13px}
  .cat-hero{padding:34px 0 44px}
  .cat-hero-text h1{font-size:24px;margin:14px 0 14px}
  .cat-hero-text .lead{font-size:14.5px}
  .cat-list{padding:48px 0}
  .cat-faq{padding:48px 0}
  .topic-sec{padding:48px 0}
  .rec-sec{padding:0 0 48px}
  .safety-sec{padding:48px 0}
  .post-grid{grid-template-columns:1fr;gap:16px}
  .faq-grid{grid-template-columns:1fr}
  .rec-item{grid-template-columns:110px minmax(0,1fr);gap:12px;padding:12px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .filter-inner{flex-direction:column;align-items:flex-start}
  .cta-group .btn{width:100%}
  .city-pop{left:16px;right:16px;width:auto}
  .sec-head h2,.list-head h2{font-size:22px}
}
@media (max-width:520px){
  .chips{gap:8px}
  .chip{font-size:12.5px;padding:6px 13px}
  .btn-more{width:100%;text-align:center}
  .rec-item{grid-template-columns:1fr}
  .rec-cover{aspect-ratio:16/9}
}