/* ChaPanda 茶百道 — 官网样式 */
:root{
  --blue:#0c7fd0;
  --blue-d:#0a68ad;
  --blue-l:#3aa7ea;
  --cyan:#5fd0e8;
  --ink:#0d2436;
  --ink-2:#37536b;
  --muted:#6b8499;
  --line:rgba(12,127,208,.12);
  --bg:#f2f8fe;
  --card:rgba(255,255,255,.72);
  --card-solid:#fff;
  --ring:0 18px 44px -18px rgba(12,80,140,.28);
  --r:22px;
  --wrap:1120px;
  --ease:cubic-bezier(.22,.68,.32,1);
  --f:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--f);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.18;letter-spacing:-.02em;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}

/* 背景光晕 */
.mesh{position:fixed;inset:0;z-index:-1;overflow:hidden;background:
  radial-gradient(120% 80% at 50% 0,#eaf6ff 0%,#f2f8fe 55%,#f7fbff 100%)}
.mesh .blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.b1{width:560px;height:560px;left:-160px;top:-180px;background:radial-gradient(circle at 30% 30%,#8fd4ff,#c9ecff 60%,transparent 70%)}
.b2{width:520px;height:520px;right:-140px;top:40px;background:radial-gradient(circle at 60% 40%,#a9ead6,#d6f6ec 60%,transparent 72%);opacity:.4}
.b3{width:640px;height:640px;left:34%;top:420px;background:radial-gradient(circle at 50% 50%,#d3e6ff,#eef5ff 65%,transparent 74%);opacity:.65}

.wrap{width:min(var(--wrap),calc(100% - 40px));margin:0 auto}
.glass{
  background:var(--card);
  border:1px solid rgba(255,255,255,.85);
  border-radius:var(--r);
  box-shadow:var(--ring);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
}

/* 按钮 */
.btn{
  --bg1:linear-gradient(135deg,#3aa7ea,#0c7fd0 55%,#0a68ad);
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:14px;border:0;cursor:pointer;
  font-size:15px;font-weight:700;letter-spacing:.01em;color:#fff;background:var(--bg1);
  box-shadow:0 12px 26px -12px rgba(12,127,208,.75),inset 0 1px 0 rgba(255,255,255,.35);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(12,127,208,.85),inset 0 1px 0 rgba(255,255,255,.4)}
.btn:active{transform:translateY(0) scale(.99)}
.btn.sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px}
.btn.lg{height:54px;padding:0 26px;font-size:16px;border-radius:16px}
.btn.ghost{
  background:rgba(255,255,255,.68);color:var(--blue-d);
  border:1px solid rgba(12,127,208,.22);
  box-shadow:0 8px 20px -14px rgba(12,80,140,.5),inset 0 1px 0 #fff;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.btn.ghost:hover{background:#fff;color:var(--blue)}
.btn.full{width:100%}

/* 顶栏 */
.nav{position:sticky;top:0;z-index:50;transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.nav::after{content:"";position:absolute;inset:0;background:rgba(246,251,255,.72);-webkit-backdrop-filter:blur(16px) saturate(170%);backdrop-filter:blur(16px) saturate(170%);opacity:0;transition:opacity .3s;border-bottom:1px solid transparent;pointer-events:none}
.nav.scrolled::after{opacity:1;border-bottom-color:rgba(12,127,208,.1)}
.navIn{position:relative;z-index:1;display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brandTxt{display:flex;flex-direction:column;align-items:flex-start;gap:4px;line-height:1}
.brandTxt .bcn{height:19px;width:auto;display:block;border-radius:0;box-shadow:none;background:none}
.brandTxt b{font:800 10.5px/1 -apple-system,"PingFang SC","Helvetica Neue",Arial,sans-serif;
  letter-spacing:1.9px;color:#0a5aa8;margin-left:1px}
.navLinks{display:flex;gap:4px;margin-left:auto}
.navLinks a{padding:9px 13px;border-radius:11px;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:background .18s,color .18s}
.navLinks a:hover{background:rgba(12,127,208,.08);color:var(--blue-d)}
.navAct{display:flex;align-items:center;gap:10px}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.7);color:var(--ink-2);cursor:pointer}

/* Hero */
.hero{padding:64px 0 8px}
.heroIn{display:block;text-align:center}
.pill{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 13px;border-radius:99px;background:rgba(255,255,255,.8);border:1px solid rgba(12,127,208,.16);box-shadow:0 8px 20px -16px rgba(12,80,140,.6);font-size:12.5px;font-weight:700;color:var(--blue-d);letter-spacing:.01em}
.dot{width:7px;height:7px;border-radius:50%;background:#25c281;box-shadow:0 0 0 3px rgba(37,194,129,.18);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(37,194,129,.18)}50%{box-shadow:0 0 0 6px rgba(37,194,129,.06)}}
.heroCopy h1{margin:18px 0 0;font-size:clamp(34px,5.4vw,58px)}
.heroCopy h1 em{font-style:normal;background:linear-gradient(100deg,#0c7fd0,#3aa7ea 40%,#27c2a8);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{margin-top:18px;font-size:16.5px;color:var(--ink-2);max-width:33em}
.heroAct{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.heroMeta{display:flex;gap:34px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.heroMeta li{display:flex;flex-direction:column}
.heroMeta b{font-size:22px;letter-spacing:-.02em}
.heroMeta span{font-size:12.5px;color:var(--muted)}

/* Hero 播放器 */
.heroArt{position:relative;padding:18px 0}
.player{padding:16px;border-radius:26px;position:relative;z-index:2}
.playerTop{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.liveTag{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#0f9d63;background:rgba(37,194,129,.1);padding:5px 10px;border-radius:99px}
.liveTag .dot{width:6px;height:6px}
.playerTitle{font-size:12px;color:var(--muted);font-weight:600}
.screen{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/10;background:#0d2436}
.poster{position:absolute;inset:0;background:
  radial-gradient(80% 90% at 20% 20%,rgba(95,208,232,.75),transparent 60%),
  radial-gradient(70% 70% at 85% 30%,rgba(58,167,234,.55),transparent 62%),
  linear-gradient(160deg,#0b2c47,#123f63 45%,#0a1f33)}
.poster::before{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 9px);opacity:.6}
.poster::after{content:"";position:absolute;left:50%;top:50%;width:190px;height:190px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(140,220,255,.35),transparent 65%);filter:blur(6px)}
.screenGlow{position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(4,18,30,.55))}
.playBtn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:66px;height:66px;border-radius:50%;border:0;color:#0b3a5c;
  background:linear-gradient(160deg,#fff,#dff1fd);box-shadow:0 14px 30px -10px rgba(0,0,0,.45),inset 0 1px 0 #fff;display:grid;place-items:center;padding-left:3px}
.scrub{position:absolute;left:14px;right:14px;bottom:12px;height:4px;border-radius:99px;background:rgba(255,255,255,.25);overflow:hidden}
.scrub span{display:block;height:100%;width:38%;border-radius:99px;background:linear-gradient(90deg,#7fd8f2,#fff)}
.playerFoot{display:flex;align-items:center;gap:11px;margin-top:12px}
.miniPoster{width:38px;height:50px;border-radius:9px;flex:0 0 auto;background:linear-gradient(150deg,#1b4a6d,#0e2b42 60%,#17405f);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.miniInfo{display:flex;flex-direction:column;min-width:0}
.miniInfo b{font-size:13.5px;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.miniInfo span{font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.playerFoot .chip{margin-left:auto;flex:0 0 auto}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:9px;background:rgba(12,127,208,.1);color:var(--blue-d);font-size:11.5px;font-weight:700}
.chip.big{height:36px;padding:0 14px;border-radius:12px;background:rgba(255,255,255,.8);border:1px solid rgba(12,127,208,.14);color:var(--ink-2);font-size:13px;box-shadow:0 8px 18px -16px rgba(12,80,140,.6)}
.floatCard{position:absolute;display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:16px;z-index:3;animation:bob 6s ease-in-out infinite}
.floatCard div{display:flex;flex-direction:column;line-height:1.25}
.floatCard b{font-size:12.5px}
.floatCard span{font-size:10.5px;color:var(--muted)}
.f1{right:-14px;top:-20px}
.f2{left:-22px;bottom:-18px;animation-delay:-3s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* 数据条 */
.strip{margin:44px 0 0}
.stats{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.stats li{text-align:center;padding:26px 16px;border-radius:20px;background:#f1f3f5}
.stats b{display:block;font-size:34px;font-weight:800;line-height:1.05;letter-spacing:-.03em;color:#0d0d0d;font-variant-numeric:tabular-nums}
.stats em{display:block;margin-top:7px;font-style:normal;font-size:15px;font-weight:700;color:#111}
.stats span{display:block;margin-top:5px;font-size:12.5px;line-height:1.5;color:#6b7076}
.stats li>.sic{display:flex;align-items:center;justify-content:center;width:36px;height:36px;margin:0 auto 12px;border-radius:12px;color:#0c7fd0;background:rgba(12,127,208,.09);border:1px solid rgba(12,127,208,.17);box-shadow:0 1px 0 rgba(255,255,255,.9) inset}
.stats li>.sic svg{width:19px;height:19px;display:block}
@media(min-width:820px){.stats{grid-template-columns:1fr 1fr;gap:16px}.stats li{padding:34px 20px}.stats b{font-size:38px}.stats em{font-size:16px}}

/* 通用区块 */
.sec{padding:86px 0}
.secHead{max-width:620px;margin:0 auto 40px;text-align:center}
.kicker{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--blue);text-transform:uppercase}
.secHead h2{margin:12px 0 0;font-size:clamp(25px,3.4vw,38px)}
.secHead p{margin-top:14px;color:var(--muted);font-size:15.5px}
.grid{display:grid;gap:18px}
.feat{grid-template-columns:repeat(3,1fr)}
.card{padding:26px 24px;border-radius:20px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:0 26px 50px -26px rgba(12,80,140,.45)}
.card h3{font-size:16.5px;margin:16px 0 8px}
.card p{font-size:14px;color:var(--muted);line-height:1.65}
.ico{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;box-shadow:0 10px 22px -12px rgba(12,127,208,.8)}
.ico.i1{background:linear-gradient(140deg,#4fb6f0,#0c7fd0)}
.ico.i2{background:linear-gradient(140deg,#ffd469,#f5a524)}
.ico.i3{background:linear-gradient(140deg,#7ce0c6,#1fae87)}
.ico.i4{background:linear-gradient(140deg,#9db8ff,#5b7cf0)}
.ico.i5{background:linear-gradient(140deg,#7fc8f5,#1b91d8)}
.ico.i6{background:linear-gradient(140deg,#ffa9b8,#ef5f7d)}

/* 步骤 */
.how{position:relative}
.how::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(230,244,255,.65) 18%,rgba(230,244,255,.65) 82%,transparent);z-index:-1}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;padding:26px 24px 24px;border-radius:20px;background:rgba(255,255,255,.66);border:1px solid rgba(255,255,255,.9);
  box-shadow:0 16px 34px -26px rgba(12,80,140,.5)}
.step .num{font-size:13px;font-weight:800;color:var(--blue);letter-spacing:.12em}
.step h3{margin:10px 0 8px;font-size:17px}
.step p{font-size:14px;color:var(--muted)}
.howNote{display:flex;align-items:center;gap:12px;margin-top:22px;padding:16px 20px;border-radius:16px;font-size:14px;color:var(--ink-2)}
.howNote svg{flex:0 0 auto}

/* 套餐 */
.plans{grid-template-columns:repeat(2,1fr);align-items:stretch;max-width:760px;margin:0 auto}
.plan{display:flex;flex-direction:column;padding:30px 26px;position:relative}
.plan h3{font-size:16px;margin:0}
.price{display:flex;align-items:baseline;gap:6px;margin:12px 0 20px}
.price b{font-size:40px;letter-spacing:-.03em;line-height:1;background:linear-gradient(130deg,#0c7fd0,#27c2a8);-webkit-background-clip:text;background-clip:text;color:transparent}
.price span{font-size:13px;color:var(--muted)}
.plan ul{display:grid;gap:11px;margin-bottom:26px}
.plan li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink-2)}
.plan li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:3px;border-radius:50%;
  background:rgba(12,127,208,.12) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230c7fd0' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><path d='M5 12.5l4.5 4.5L19 7'/></svg>") center/11px no-repeat}
.plan .btn{margin-top:auto}
.plan.hot{
  background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(226,243,255,.9));
  border-color:rgba(12,127,208,.34);
  box-shadow:0 30px 60px -30px rgba(12,127,208,.55),inset 0 1px 0 #fff;
  transform:translateY(-6px);
}
.planTag{position:absolute;right:20px;top:-12px;height:26px;padding:0 12px;border-radius:99px;display:inline-flex;align-items:center;
  font-size:11.5px;font-weight:800;color:#fff;letter-spacing:.03em;background:linear-gradient(135deg,#3aa7ea,#0c7fd0);box-shadow:0 10px 22px -10px rgba(12,127,208,.9)}
.fine{margin-top:18px;text-align:center;font-size:12.5px;color:var(--muted)}

/* 设备 */
.devIn{display:block;text-align:center}
.devCopy h2{margin:12px 0 14px;font-size:clamp(24px,3.2vw,36px)}
.devCopy p{color:var(--muted);font-size:15.5px;max-width:34em;margin-left:auto;margin-right:auto}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.d1{left:2%;top:12%;width:150px;transform:rotate(-5deg)}
.d2{right:4%;top:2%;width:176px;transform:rotate(4deg);background:linear-gradient(150deg,rgba(255,255,255,.9),rgba(214,240,255,.85))}
.d3{left:26%;bottom:6%;width:162px;transform:rotate(-2deg)}

/* FAQ */
.faq{display:grid;gap:12px;max-width:820px;margin:0 auto}
.faq details{padding:0 22px;border-radius:16px;overflow:hidden;transition:box-shadow .25s}
.faq details[open]{box-shadow:0 22px 44px -28px rgba(12,80,140,.5)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:19px 0;font-size:15.5px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";margin-left:auto;width:20px;height:20px;flex:0 0 auto;border-radius:50%;background:rgba(12,127,208,.1) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230c7fd0' stroke-width='2.6' stroke-linecap='round'><path d='M6 10l6 6 6-6'/></svg>") center/13px no-repeat;transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq p{padding:0 0 20px;color:var(--muted);font-size:14.5px;max-width:60em}

/* CTA */
.cta{padding:20px 0 76px}
.ctaIn{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:38px 40px;border-radius:26px;
  background:linear-gradient(135deg,rgba(255,255,255,.94),rgba(219,240,255,.86));
  border:1px solid rgba(255,255,255,.95)}
.ctaIn h2{font-size:clamp(22px,2.8vw,30px)}
.ctaIn p{margin-top:10px;color:var(--ink-2);font-size:14.5px}
.ctaAct{display:flex;gap:12px;flex:0 0 auto}

/* 页脚 */
.foot{padding:56px 0 26px;background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(233,245,255,.7));border-top:1px solid rgba(12,127,208,.1)}
.footIn{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
.footBrand .brand{margin-bottom:12px}
.footBrand .brandTxt .bcn{height:17px}
.footBrand .brandTxt b{font-size:9.5px}
.footBrand p{font-size:13px;color:var(--muted);line-height:1.75}
.footCol{display:flex;flex-direction:column;gap:10px}
.footCol b{font-size:13px;letter-spacing:.06em;color:var(--ink);margin-bottom:2px}
.footCol a{font-size:13.5px;color:var(--muted);transition:color .18s}
.footCol a:hover{color:var(--blue)}
.footBar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:38px;padding-top:20px;border-top:1px solid rgba(12,127,208,.1);font-size:12px;color:var(--muted);flex-wrap:wrap}

/* 滚动出现 */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:980px){
  .heroIn{gap:0}
  .heroArt{max-width:520px;margin:0 auto;width:100%}
  .feat{grid-template-columns:repeat(2,1fr)}
  .devIn{grid-template-columns:1fr;gap:34px}
  .ctaIn{flex-direction:column;align-items:flex-start}
  .footIn{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .navLinks{display:none}
  .navAct{margin-left:auto}
  .burger{display:flex}
  .navIn{height:64px;gap:10px}
  .navAct .btn.sm{height:36px;padding:0 13px;font-size:13px}
  .hero{padding:38px 0 0}
  .heroMeta{gap:20px;flex-wrap:wrap}
  .heroMeta b{font-size:19px}
  .stats{gap:12px}.stats li{padding:24px 16px}
  .sec{padding:62px 0}
  .feat,.steps,.plans{grid-template-columns:1fr}
  .plan.hot{transform:none}
  .f1{right:-4px;top:-18px}
  .f2{left:-4px;bottom:-16px}
  .floatCard{padding:9px 12px}
  .ctaIn{padding:28px 22px}
  .ctaAct{width:100%;flex-direction:column}
  .ctaAct .btn{width:100%}
  .footIn{grid-template-columns:1fr 1fr;gap:22px}
  .footBrand{grid-column:1/-1}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
}

/* ---- 补充 ---- */
.poster.p1{background:
  radial-gradient(120% 80% at 20% 10%, #7fc4f2 0%, rgba(127,196,242,0) 60%),
  linear-gradient(160deg,#1e5f96,#0b3f66);}
.sec.devices{padding-top:24px}

/* 移动端下拉菜单（≤760px 时 .navLinks 作为面板出现） */
@media (max-width:760px){
  .navLinks{position:fixed;left:14px;right:14px;top:70px;z-index:60;display:block;
    background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(20px) saturate(1.6);
    backdrop-filter:blur(20px) saturate(1.6);border:1px solid rgba(255,255,255,.9);
    border-radius:18px;box-shadow:0 26px 54px -30px rgba(12,80,140,.7);padding:8px;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease)}
  .navLinks.open{opacity:1;transform:none;pointer-events:auto}
  .navLinks a{padding:13px 14px;border-radius:12px;font-size:15.5px;font-weight:600;color:var(--ink-2);display:block}
  .navLinks a:active{background:rgba(12,127,208,.08)}
  .navLinks a+a{border-top:1px solid rgba(12,127,208,.07)}
}
.burger.on span,.burger.on svg{opacity:.6}

/* ---- 品牌图标（圆形 logo） ---- */
.brand>img{width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(12,127,208,.24);background:transparent}
.footBrand .brand>img{width:34px;height:34px;box-shadow:0 4px 12px rgba(12,127,208,.18)}

/* ==== 首屏海报墙 ==== */
.wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;position:relative}
.wall .pw{position:relative;margin:0;aspect-ratio:2/3;border-radius:14px;overflow:hidden;
  background:linear-gradient(160deg,#dfeaf4,#c7d8e8);box-shadow:0 16px 30px -18px rgba(9,44,72,.65),0 2px 6px rgba(9,44,72,.08);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.wall .pw img{width:100%;height:100%;object-fit:cover;display:block}
.wall .pw figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 8px 7px;
  font-size:10px;font-weight:700;color:#fff;letter-spacing:.02em;
  background:linear-gradient(180deg,rgba(4,16,28,0),rgba(4,16,28,.78));
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wall .pw .hp{position:absolute;top:7px;left:7px;font-size:9px;font-weight:800;font-style:normal;
  color:#fff;background:linear-gradient(135deg,#0c7fd0,#3aa7ea);padding:3px 7px;border-radius:999px;
  box-shadow:0 4px 10px -3px rgba(12,127,208,.8)}
.wall .pw.r2{transform:translateY(14px)}
.wall .pw.r3{transform:translateY(28px)}
.wall .pw.r5{transform:translateY(14px)}
.wall .pw.r6{transform:translateY(28px)}
.wall .pw:hover{transform:translateY(-6px) scale(1.03);box-shadow:0 24px 40px -18px rgba(9,44,72,.7)}
@media (max-width:760px){
  .wall{gap:8px}
  .wall .pw{border-radius:11px}
  .wall .pw figcaption{font-size:8.5px;padding:14px 6px 5px}
  .wall .pw .hp{font-size:8px;padding:2px 5px;top:5px;left:5px}
}

/* 修正栅格最小宽度导致的横向溢出 */
html,body{overflow-x:hidden;max-width:100%}
.heroIn>*,.wall,.wall .pw,.heroArt{min-width:0}
@media (max-width:520px){
  .wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .wall .pw.d2,.wall .pw.d3,.wall .pw.d5,.wall .pw.r6{transform:none}
}

/* usage rules */
.ruleGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}
.rule{padding:22px 22px 20px;border-radius:22px}
.ruleTop{display:flex;align-items:center;gap:12px;margin:0 0 13px}
.ruleTop h3{font-size:16px;font-weight:800;color:var(--ink,#0d2436);margin:0;letter-spacing:.2px}
.ruleTop .ico{flex:0 0 auto}
.ruleList{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.ruleList li{position:relative;padding-left:15px;font-size:13.5px;line-height:1.62;color:#4c6579}
.ruleList li::before{content:"";position:absolute;left:1px;top:.62em;width:5px;height:5px;border-radius:50%;background:#8fc0ea}
.rule.warn{background:linear-gradient(160deg,rgba(255,247,237,.86),rgba(255,255,255,.7))}
.rule.warn .ruleTop h3{color:#a8651c}
.rule.warn .ruleList li{color:#7a5a3c}
.rule.warn .ruleList li::before{background:#e8a44a}
@media (max-width:760px){
  .ruleGrid{grid-template-columns:1fr;gap:12px;margin-top:18px}
  .rule{padding:18px 18px 16px;border-radius:20px}
  .ruleTop h3{font-size:15px}
  .ruleList li{font-size:13px}
}

/* ===== 海报墙 v2：倾斜错落 + 蓝色光晕 ===== */
.heroArt{position:relative}
.heroArt .glow{position:absolute;z-index:0;left:-10%;right:-10%;top:6%;bottom:-8%;
  background:radial-gradient(52% 50% at 50% 40%,rgba(12,127,208,.26),rgba(12,127,208,0) 72%);
  filter:blur(26px);pointer-events:none}
.wall{position:relative;z-index:2;transform:rotate(-2.2deg);transform-origin:50% 42%;
  gap:11px;will-change:transform}
.wall .pw{background:linear-gradient(160deg,#dfeaf4,#c7d8e8);
  box-shadow:0 20px 40px -20px rgba(9,44,72,.72),0 3px 8px rgba(9,44,72,.1);
  transition:transform .5s cubic-bezier(.2,.7,.2,1),box-shadow .4s}
.wall .pw:nth-child(1){transform:translateY(16px)}
.wall .pw:nth-child(2){transform:translateY(-6px)}
.wall .pw:nth-child(3){transform:translateY(24px)}
.wall .pw:nth-child(4){transform:translateY(-14px)}
.wall .pw:nth-child(5){transform:translateY(10px)}
.wall .pw:nth-child(6){transform:translateY(-20px)}
.wall .pw:nth-child(7){transform:translateY(4px)}
.wall .pw:nth-child(8){transform:translateY(-10px)}
.wall .pw:hover{transform:translateY(-8px) scale(1.04);z-index:3;
  box-shadow:0 30px 52px -20px rgba(9,44,72,.8)}
@media (max-width:760px){
  .wall{transform:rotate(-1.6deg);gap:9px}
  .wall .pw:nth-child(1){transform:translateY(9px)}
  .wall .pw:nth-child(2){transform:translateY(-4px)}
  .wall .pw:nth-child(3){transform:translateY(13px)}
  .wall .pw:nth-child(4){transform:translateY(-8px)}
  .wall .pw:nth-child(5){transform:translateY(6px)}
  .wall .pw:nth-child(6){transform:translateY(-11px)}
  .wall .pw:nth-child(7){transform:translateY(3px)}
  .wall .pw:nth-child(8){transform:translateY(-6px)}
  .heroArt .glow{filter:blur(20px);left:-6%;right:-6%}
}
@media (max-width:520px){
  .wall{grid-template-columns:repeat(2,minmax(0,1fr));transform:rotate(-1.4deg);gap:8px}
}

/* 手机端：只留 6 张，避免首屏过长，并给倾斜留出边距 */
@media (max-width:520px){
  .heroArt{padding-left:8px;padding-right:8px}
  .wall .pw:nth-child(n+7){display:none}
}

/* 数据区：桌面 4 列横排 */
@media(min-width:820px){
  .stats{grid-template-columns:repeat(4,1fr);gap:16px}
  .stats b{font-size:34px}
}

/* 使用须知：图标重构 */
.rule .ico{position:relative;width:46px;height:46px;border-radius:15px;color:#0c7fd0;
  background:linear-gradient(155deg,#f4fbff,#dbeafb);border:1px solid rgba(12,127,208,.16);
  box-shadow:0 12px 22px -16px rgba(12,80,140,.85),inset 0 1px 0 #fff}
.rule .ico::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 95% at 22% 0%,rgba(255,255,255,.9),transparent 62%)}
.rule .ico svg{position:relative;z-index:1;width:23px;height:23px}