/* ============================================================
   运动场上 · 官网基础样式
   结构：重置 → 版式 → 按钮 → 导航 → 首屏 → 通用区块
        → 设备演示 → 深色赛事区 → 下载区 → 页脚 → 表单/FAQ
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.65;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,video,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(242,107,29,.22);}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

/* ---------- 版式 ---------- */
.wrap{width:min(var(--maxw),calc(100% - var(--gutter)*2));margin-inline:auto;}
.wrap-wide{width:min(1320px,calc(100% - var(--gutter)*2));margin-inline:auto;}
.sec{padding:var(--sp-24) 0;}
.sec-sm{padding:var(--sp-16) 0;}
.sec-dark{background:var(--green-950);color:#fff;}
.sec-tint{background:#EDEDF2;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);
  margin-bottom:var(--sp-4);
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:currentColor;box-shadow:0 0 0 4px rgba(242,107,29,.14);
}
.is-dark .eyebrow::before{box-shadow:0 0 0 4px rgba(255,138,60,.2);}

.h1{
  font-size:clamp(38px,5.6vw,66px);
  line-height:1.06;font-weight:800;letter-spacing:-.035em;
}
.h2{
  font-size:clamp(27px,3.4vw,42px);
  line-height:1.15;font-weight:750;letter-spacing:-.028em;
}
.h3{font-size:clamp(18px,1.6vw,21px);line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.lead{
  font-size:clamp(16px,1.35vw,18.5px);line-height:1.7;
  color:var(--text-2);max-width:56ch;
}
.muted{color:var(--text-2);}
.small{font-size:13.5px;line-height:1.6;}
.tiny{font-size:12px;line-height:1.55;letter-spacing:.01em;}
.brand-text{color:var(--brand);}
.grad-text{
  background:linear-gradient(96deg,#FFB27A 0%,#FF8A3C 42%,#F26B1D 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-head{max-width:720px;margin-bottom:var(--sp-12);}
.sec-head .h2{margin-bottom:var(--sp-4);}
.sec-head.center{margin-inline:auto;text-align:center;}
.sec-head.center .lead{margin-inline:auto;}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;transform:translateY(-160%);
  background:#fff;color:#000;padding:10px 16px;border-radius:10px;font-size:14px;
  transition:transform .2s;
}
.skip-link:focus{transform:none;}

/* ---------- 按钮 ---------- */
.btn{
  --btn-bg:var(--card);--btn-fg:var(--text);
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 26px;border-radius:var(--r-full);
  background:var(--btn-bg);color:var(--btn-fg);
  font-size:15.5px;font-weight:650;letter-spacing:.01em;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s,border-color .2s;
  -webkit-tap-highlight-color:transparent;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn svg{width:18px;height:18px;flex:none;}
.btn-primary{
  background:linear-gradient(180deg,#FF8036 0%,#F26B1D 62%,#E85F12 100%);
  color:#fff;
  box-shadow:0 10px 26px -8px rgba(242,107,29,.6),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary:hover{box-shadow:0 16px 34px -10px rgba(242,107,29,.66),inset 0 1px 0 rgba(255,255,255,.32);}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;
  border-color:rgba(255,255,255,.24);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.4);}
.btn-dark{background:var(--green-900);color:#fff;}
.btn-dark:hover{background:var(--green-800);}
.btn-outline{background:transparent;border-color:var(--sep-strong);color:var(--text);}
.btn-outline:hover{border-color:var(--text-3);background:var(--card);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-lg{height:58px;padding:0 32px;font-size:16.5px;}
.btn-block{width:100%;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--brand);
}
.link-arrow svg{width:16px;height:16px;transition:transform .25s var(--ease);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-nav{
  position:fixed;inset:0 0 auto;z-index:100;
  height:var(--nav-h);
  color:#fff;
  transition:background .3s,box-shadow .3s,color .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-nav.is-solid{
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(22px) saturate(180%);
  backdrop-filter:blur(22px) saturate(180%);
  color:var(--text);
  border-bottom-color:var(--hairline);
  box-shadow:0 1px 24px rgba(7,35,28,.06);
}
.nav-inner{
  height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:750;letter-spacing:-.01em;font-size:16.5px;}
.brand img{width:32px;height:32px;border-radius:9px;box-shadow:0 4px 12px rgba(7,35,28,.28);}
.brand span small{
  display:block;font-size:10.5px;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;opacity:.55;line-height:1.3;margin-top:-2px;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-full);font-size:14.5px;font-weight:550;opacity:.82;
  transition:opacity .2s,background .2s;
}
.nav-links a:hover{opacity:1;background:rgba(127,127,127,.12);}
.nav-links a[aria-current="page"]{opacity:1;color:var(--brand);}
.nav-right{display:flex;align-items:center;gap:10px;}
.site-nav .btn-cta{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid currentColor;border-color:rgba(127,127,127,.28);
}
.nav-toggle span{display:block;width:17px;height:1.8px;background:currentColor;position:relative;transition:transform .25s,background .2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:1.8px;background:currentColor;transition:transform .25s,opacity .2s;
}
.nav-toggle span::before{top:-5.5px;}
.nav-toggle span::after{top:5.5px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(5.5px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-5.5px) rotate(-45deg);}
.nav-sheet{
  position:fixed;inset:var(--nav-h) 0 auto;z-index:99;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  border-bottom:1px solid var(--hairline);
  padding:10px var(--gutter) 24px;
  display:none;
}
.nav-sheet a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:17px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--sep);
}
.nav-sheet a:last-of-type{border-bottom:0;}
.nav-sheet a::after{content:"›";color:var(--text-3);font-size:20px;font-weight:400;}
.nav-sheet .btn{margin-top:14px;}
body.nav-open .nav-sheet{display:block;animation:sheetIn .24s var(--ease) both;}
@keyframes sheetIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:none;}}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:
    radial-gradient(120% 80% at 78% 18%,rgba(21,133,100,.55) 0%,rgba(7,35,28,0) 58%),
    radial-gradient(90% 70% at 12% 88%,rgba(242,107,29,.16) 0%,rgba(7,35,28,0) 60%),
    linear-gradient(168deg,#0A3327 0%,#07231C 52%,#051B15 100%);
  color:#fff;
  padding:calc(var(--nav-h) + 58px) 0 0;
}
.hero-bg{position:absolute;inset:0;z-index:-2;overflow:hidden;}
.hero-bg video{
  width:100%;height:100%;object-fit:cover;opacity:.34;
  filter:saturate(.85) contrast(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,35,28,.5) 0%,rgba(7,35,28,.35) 45%,rgba(7,35,28,.92) 100%);
}
.pitch{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;}
.pitch svg{width:100%;height:100%;}
.pitch line,.pitch circle,.pitch rect{stroke:rgba(255,255,255,.16);fill:none;stroke-width:1;}
.hero-glow{
  position:absolute;z-index:-1;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,60,.24) 0%,rgba(255,138,60,0) 68%);
  right:-80px;top:8%;pointer-events:none;filter:blur(6px);
}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:clamp(24px,4vw,56px);align-items:center;
  padding-bottom:clamp(40px,6vw,72px);
}
.hero-copy{max-width:600px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 14px 7px 10px;border-radius:var(--r-full);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font-size:12.5px;font-weight:550;letter-spacing:.04em;color:rgba(255,255,255,.9);
  margin-bottom:22px;
}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-bright);box-shadow:0 0 0 4px rgba(255,138,60,.18);}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;color:#FFB27A;}
.hero-sub{
  font-size:clamp(15.5px,1.5vw,18px);line-height:1.72;color:rgba(255,255,255,.72);
  max-width:48ch;margin-bottom:28px;
}
.hero-sub strong{color:#fff;font-weight:600;}
.hero-actions{margin-bottom:20px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12.5px;color:rgba(255,255,255,.5);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;}
.hero-meta span::before{content:"";width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.4);}
.hero-meta span:first-child::before{display:none;}




/* 手机舞台 */
.stage{
  position:relative;display:flex;justify-content:center;align-items:center;
  min-height:clamp(400px,40vw,530px);
  perspective:1400px;
}
.stage::before{
  content:"";position:absolute;width:74%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(26,163,119,.34) 0%,rgba(26,163,119,0) 66%);
  filter:blur(10px);
}
.phone{
  position:relative;flex:none;border-radius:40px;padding:7px;
  background:linear-gradient(160deg,#2C3A35,#0C1412 30%,#111A17 70%,#28352F);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.75),0 0 0 1px rgba(255,255,255,.08),inset 0 1px 0 rgba(255,255,255,.16);
}
.phone-screen{
  position:relative;overflow:hidden;border-radius:34px;background:#000;
  aspect-ratio:9/20;
}
.phone-screen img{width:100%;height:100%;object-fit:cover;object-position:top center;}
.phone-main{
  width:clamp(206px,19.5vw,256px);z-index:2;
  transform:rotate(-2.6deg);
  animation:floaty 9s ease-in-out infinite;
}
.phone-back{
  position:absolute;width:clamp(156px,15vw,196px);
  right:-1%;bottom:-5%;z-index:1;opacity:.94;
  transform:rotate(6deg) translateZ(-40px);
  filter:saturate(.96);
}
@keyframes floaty{0%,100%{transform:rotate(-2.6deg) translateY(0);}50%{transform:rotate(-2.2deg) translateY(-12px);}}

.float{
  position:absolute;z-index:3;
  background:rgba(255,255,255,.94);color:#0B0B0F;
  border-radius:var(--r-md);padding:11px 14px;
  box-shadow:0 18px 44px -14px rgba(0,0,0,.6);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  font-size:12.5px;line-height:1.35;
}
.float-score{left:-1%;top:6%;width:182px;animation:floaty2 7s ease-in-out infinite;}
.float-score .row{display:flex;align-items:center;justify-content:space-between;margin-bottom:7px;}
.live-pill{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--live);color:#fff;border-radius:var(--r-full);
  padding:2px 8px;font-size:10px;font-weight:700;letter-spacing:.06em;
}
.live-pill i{width:4px;height:4px;border-radius:50%;background:#fff;animation:blink 1.4s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}
.float-score .teams{display:flex;align-items:center;justify-content:space-between;font-weight:650;font-size:13.5px;}
.float-score .score{font-size:20px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.float-score .minute{font-size:11px;color:rgba(60,60,67,.55);font-weight:500;}
.float-danmaku{
  right:-4%;top:38%;width:172px;
  background:rgba(16,26,22,.82);color:#fff;border:1px solid rgba(255,255,255,.14);
  animation:floaty3 8.5s ease-in-out infinite;
}
.float-danmaku b{color:#FFB27A;font-weight:600;font-size:11px;display:block;margin-bottom:2px;}
.float-like{
  left:-2%;bottom:4%;display:flex;align-items:center;gap:8px;
  padding:8px 12px 8px 10px;animation:floaty4 6.4s ease-in-out infinite;
}
.float-like .heart{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:#FFECEB;color:#FF3B30;
}
.float-like .heart svg{width:14px;height:14px;fill:currentColor;}
.float-like b{font-size:12px;display:block;line-height:1.2;}
.float-like span{font-size:10.5px;color:rgba(60,60,67,.5);}
@keyframes floaty2{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
@keyframes floaty3{0%,100%{transform:translateY(0);}50%{transform:translateY(8px);}}
@keyframes floaty4{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}

/* 首屏数据条 */
.hero-facts{
  border-top:1px solid rgba(255,255,255,.1);
  background:rgba(4,20,15,.42);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.facts{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:22px 0;
}
.facts div{
  padding:2px 20px;border-left:1px solid rgba(255,255,255,.1);
}
.facts div:first-child{border-left:0;padding-left:0;}
.facts b{
  display:block;font-size:clamp(20px,2.2vw,26px);font-weight:750;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.facts b i{font-style:normal;font-size:.62em;font-weight:600;color:rgba(255,255,255,.55);margin-left:3px;}
.facts span{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.02em;}

/* ---------- 跑马灯 ---------- */
.ticker{
  overflow:hidden;background:var(--green-900);color:rgba(255,255,255,.88);
  border-top:1px solid rgba(255,255,255,.08);
  padding:13px 0;user-select:none;
}
.ticker-track{display:flex;width:max-content;animation:ticker 38s linear infinite;}
.ticker:hover .ticker-track{animation-play-state:paused;}
.ticker-track span{
  display:inline-flex;align-items:center;gap:14px;padding-right:14px;
  font-size:13px;font-weight:550;letter-spacing:.06em;white-space:nowrap;
}
.ticker-track span::after{content:"✦";color:var(--brand-bright);font-size:11px;opacity:.85;}
@keyframes ticker{to{transform:translateX(-50%);}}

/* ---------- 卖点卡片 ---------- */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.card{
  position:relative;background:var(--card);border-radius:var(--r-xl);
  padding:26px 24px 28px;border:1px solid var(--hairline);
  box-shadow:var(--sh-1);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .3s;
  overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(242,107,29,.28);}
.card .ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);margin-bottom:18px;
  transition:background .3s,color .3s,transform .3s var(--ease);
}
.card .ico svg{width:22px;height:22px;}
.card:hover .ico{background:var(--brand);color:#fff;transform:scale(1.04);}
.card .ico.green{background:var(--green-tint);color:var(--green-800);}
.card:hover .ico.green{background:var(--green-700);color:#fff;}
.card h3{margin-bottom:8px;}
.card p{font-size:14px;line-height:1.68;color:var(--text-2);}
.card .num{
  position:absolute;right:18px;top:18px;font-size:11px;font-weight:700;letter-spacing:.08em;
  color:var(--text-3);
}

/* ---------- 功能演示（标签 + 手机） ---------- */
.showcase{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:clamp(28px,5vw,72px);align-items:center;
}
.tabs{display:flex;flex-direction:column;gap:6px;}
.tab{
  position:relative;text-align:left;padding:16px 18px 16px 20px;border-radius:var(--r-lg);
  border:1px solid transparent;transition:background .25s,border-color .25s,box-shadow .25s;
}
.tab::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleY(.4);
  transition:opacity .25s,transform .3s var(--ease);
}
.tab:hover{background:rgba(255,255,255,.6);}
.tab[aria-selected="true"]{
  background:var(--card);border-color:var(--hairline);box-shadow:var(--sh-1);
}
.tab[aria-selected="true"]::before{opacity:1;transform:none;}
.tab h3{display:flex;align-items:center;gap:10px;font-size:16.5px;margin-bottom:5px;}
.tab h3 svg{width:18px;height:18px;color:var(--brand);flex:none;}
.tab p{font-size:13.5px;line-height:1.6;color:var(--text-2);max-width:42ch;}
.tab[aria-selected="true"] p{color:var(--text-2);}

.device-stage{
  position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:clamp(16px,3vw,32px) 0;
}
.device-stage::before{
  content:"";position:absolute;inset:8% 4%;border-radius:50%;
  background:radial-gradient(circle,rgba(21,133,100,.16) 0%,rgba(21,133,100,0) 68%);
}
.device-frame{
  position:relative;width:clamp(264px,27vw,318px);
}
.device-frame .phone{width:100%;}
.screens{position:relative;aspect-ratio:9/20;border-radius:34px;overflow:hidden;background:#000;}
.screen{
  position:absolute;inset:0;opacity:0;visibility:hidden;transform:scale(.985);
  transition:opacity .38s var(--ease),transform .45s var(--ease),visibility .38s;
  background:#000;
}
.screen.is-active{opacity:1;visibility:visible;transform:none;}
.screen > img{width:100%;height:100%;object-fit:cover;object-position:top center;}

/* --- 屏幕内的示意 UI（赛事 / 社区 / 直播） --- */
.ui{height:100%;display:flex;flex-direction:column;font-size:11px;color:#fff;background:#080B0A;}
.ui-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:30px 14px 10px;font-size:13px;font-weight:650;
}
.ui-top .back{opacity:.6;font-size:16px;}
.ui-seg{
  display:flex;gap:14px;padding:2px 14px 12px;font-size:12px;color:rgba(255,255,255,.45);
}
.ui-seg b{color:#fff;position:relative;font-weight:650;}
.ui-seg b::after{content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--brand);}
.ui-body{flex:1;overflow:hidden;padding:0 12px;}

.score-card{
  border-radius:16px;padding:16px 14px 14px;margin-bottom:10px;
  background:linear-gradient(155deg,#123C30,#0A211A 70%);
  border:1px solid rgba(255,255,255,.1);
}
.score-card .lg{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:rgba(255,255,255,.5);margin-bottom:12px;}
.score-card .lg .live-pill{font-size:9px;padding:2px 7px;}
.score-main{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:6px;}
.team{text-align:center;}
.team .badge{
  width:32px;height:32px;border-radius:50%;margin:0 auto 6px;display:grid;place-items:center;
  font-size:10px;font-weight:800;color:#08130F;
}
.team.mc .badge{background:linear-gradient(160deg,#9CD8F5,#6FB9E8);}
.team.rm .badge{background:linear-gradient(160deg,#FFF6E0,#F5D98B);color:#3A2A00;}
.team span{display:block;font-size:10.5px;color:rgba(255,255,255,.8);}
.score-num{font-size:30px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;}
.score-num b{font-weight:800;}
.score-num i{font-style:normal;color:rgba(255,255,255,.35);margin:0 4px;font-size:20px;}
.score-time{text-align:center;font-size:9.5px;color:rgba(255,255,255,.45);margin-top:8px;letter-spacing:.04em;}
.timeline{display:flex;flex-direction:column;gap:2px;}
.tl{
  display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:8px;
  padding:8px 6px;border-bottom:1px solid rgba(255,255,255,.06);font-size:11px;
}
.tl .min{font-variant-numeric:tabular-nums;color:rgba(255,255,255,.45);font-size:10px;font-weight:600;}
.tl .ev{display:flex;align-items:center;gap:7px;color:rgba(255,255,255,.9);}
.tl .ev .dot-m{width:14px;height:14px;border-radius:50%;display:grid;place-items:center;font-size:8px;background:rgba(255,255,255,.1);}
.tl .dot-goal{background:rgba(26,163,119,.28);color:#5BE3B0;}
.tl .dot-card{background:rgba(255,176,32,.22);color:#FFC857;}
.tl .dot-sub{background:rgba(255,255,255,.12);color:#fff;}
.tl .who{font-size:9.5px;color:rgba(255,255,255,.4);}
.tl-list{display:flex;flex-direction:column;}
.ui-stats{
  margin-top:10px;padding:10px 12px;border-radius:12px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);
  display:flex;flex-direction:column;gap:9px;
}
.ui-stat{position:relative;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:rgba(255,255,255,.55);padding-bottom:8px;}
.ui-stat b{color:rgba(255,255,255,.9);font-weight:650;font-size:10px;}
.ui-stat i{position:absolute;left:0;bottom:0;height:3px;border-radius:2px;background:linear-gradient(90deg,#1AA377,#5BE3B0);}
.ui-stat:nth-child(2) i{background:linear-gradient(90deg,#F26B1D,#FFB27A);}
.ui-foot{
  padding:8px 12px 14px;display:flex;gap:8px;
}
.ui-foot .pill{
  flex:1;text-align:center;padding:9px 0;border-radius:999px;font-size:11px;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
}
.ui-foot .pill.primary{background:var(--brand);border-color:transparent;}

/* 社区 mock */
.ui-light{background:#F2F2F7;color:#0B0B0F;}
.ui-light .ui-top{color:#0B0B0F;}
.ui-light .ui-seg{color:rgba(60,60,67,.5);}
.ui-light .ui-seg b{color:#0B0B0F;}
.chips{display:flex;gap:6px;padding:0 12px 10px;overflow:hidden;}
.chips span{
  flex:none;padding:5px 11px;border-radius:999px;font-size:10.5px;font-weight:600;
  background:#fff;color:rgba(60,60,67,.7);border:1px solid rgba(60,60,67,.08);
}
.chips span.on{background:var(--brand);color:#fff;border-color:transparent;}
.post{
  background:#fff;border-radius:14px;padding:11px 11px 9px;margin-bottom:8px;
  box-shadow:0 1px 3px rgba(0,0,0,.05);
}
.post-head{display:flex;align-items:center;gap:7px;margin-bottom:7px;}
.avatar{width:24px;height:24px;border-radius:50%;flex:none;background:linear-gradient(150deg,#0D5743,#1AA377);display:grid;place-items:center;color:#fff;font-size:9px;font-weight:700;}
.avatar.o{background:linear-gradient(150deg,#F26B1D,#FFB27A);}
.post-head b{font-size:11px;font-weight:650;}
.post-head span{font-size:9px;color:rgba(60,60,67,.42);margin-left:auto;}
.post p{font-size:10.5px;line-height:1.55;color:rgba(60,60,67,.78);margin-bottom:7px;}
.post p em{font-style:normal;color:var(--brand);}
.post .thumb{
  height:74px;border-radius:9px;margin-bottom:7px;
  background:linear-gradient(120deg,#0D5743,#1AA377 55%,#0A3327);
  position:relative;overflow:hidden;
}
.post .thumb::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 62% 46%,rgba(255,255,255,.28) 0 3px,rgba(255,255,255,0) 4px),
             linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px) 50% 0/40px 100%;
  opacity:.5;
}
.post-meta{display:flex;gap:12px;font-size:9.5px;color:rgba(60,60,67,.45);}
.post-meta span{display:inline-flex;align-items:center;gap:3px;}
.post-meta svg{width:10px;height:10px;}

/* 直播 mock */
.ui-live{position:relative;background:#06110D;}
.ui-live .live-bg{
  position:absolute;inset:0;
  background:radial-gradient(120% 60% at 50% 22%,rgba(26,163,119,.4),transparent 60%),
             linear-gradient(180deg,#0A3327,#06110D 70%);
}
.live-head{position:relative;display:flex;align-items:center;gap:7px;padding:30px 12px 0;}
.live-head .host{display:flex;align-items:center;gap:6px;padding:3px 9px 3px 3px;border-radius:999px;background:rgba(0,0,0,.35);}
.live-head .host .avatar{width:18px;height:18px;font-size:8px;}
.live-head .host b{font-size:10px;font-weight:600;}
.live-head .watch{margin-left:auto;font-size:9.5px;color:rgba(255,255,255,.7);background:rgba(0,0,0,.35);padding:3px 8px;border-radius:999px;}
.live-center{position:absolute;inset:0;display:grid;place-items:center;text-align:center;}
.live-center .ring{
  width:64px;height:64px;border-radius:50%;border:1.5px solid rgba(255,255,255,.22);
  display:grid;place-items:center;color:#fff;margin-bottom:10px;
}
.live-center .ring svg{width:22px;height:22px;fill:#fff;}
.live-center p{font-size:10.5px;color:rgba(255,255,255,.6);}
.danmaku{position:absolute;left:10px;right:10px;bottom:64px;display:flex;flex-direction:column;gap:6px;align-items:flex-start;}
.dm{
  font-size:10px;padding:4px 9px;border-radius:999px;background:rgba(0,0,0,.42);
  border:1px solid rgba(255,255,255,.07);
  color:rgba(255,255,255,.92);max-width:88%;
  animation:dmIn .5s var(--ease) both;
}
.dm b{color:#FFB27A;font-weight:600;}
.dm:nth-child(2){margin-left:14px;}
.dm:nth-child(3){margin-left:4px;}
@keyframes dmIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.live-foot{
  position:absolute;left:0;right:0;bottom:0;padding:10px 10px 14px;
  display:flex;gap:6px;align-items:center;
  background:linear-gradient(180deg,rgba(6,17,13,0),rgba(6,17,13,.9) 45%);
}
.live-foot .inp{flex:1;height:30px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);font-size:10px;color:rgba(255,255,255,.5);display:flex;align-items:center;padding:0 10px;}
.live-foot .circle{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.1);font-size:13px;}

/* 演示提示 */
.stage-note{
  display:flex;align-items:center;justify-content:center;gap:7px;
  margin-top:18px;font-size:11.5px;color:var(--text-3);letter-spacing:.02em;
}
.stage-note svg{width:13px;height:13px;}

/* ---------- 深色赛事区 ---------- */
.match-sec{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(80% 60% at 82% 20%,rgba(21,133,100,.4) 0%,rgba(7,35,28,0) 60%),
    linear-gradient(165deg,#0A3327,#061C16 70%,#04140F);
}
.match-sec .pitch{opacity:.42;}
.match-grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);
  gap:clamp(32px,5vw,64px);align-items:center;
}
.match-board{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-xl);padding:20px;
  box-shadow:var(--sh-3);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.board-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.board-top .league{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.6);}
.board-top .league .crest{width:18px;height:18px;border-radius:5px;background:linear-gradient(150deg,#1AA377,#0D5743);}
.board-main{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:8px 0 16px;}
.board-team{text-align:center;}
.board-team .badge{
  width:52px;height:52px;border-radius:50%;margin:0 auto 10px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#08130F;
  box-shadow:inset 0 -6px 14px rgba(0,0,0,.12);
}
.board-team .badge.mc{background:linear-gradient(160deg,#B7E2F8,#6FB9E8);}
.board-team .badge.rm{background:linear-gradient(160deg,#FFF8E7,#F3D48A);color:#3A2A00;}
.board-team strong{display:block;font-size:15px;font-weight:650;letter-spacing:-.01em;}
.board-team span{font-size:11px;color:rgba(255,255,255,.42);}
.board-score{text-align:center;}
.board-score b{
  font-size:clamp(36px,4vw,48px);font-weight:800;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
}
.board-score i{font-style:normal;font-size:.5em;color:rgba(255,255,255,.3);margin:0 6px;vertical-align:middle;}
.board-score .minute{
  display:inline-flex;align-items:center;gap:5px;margin-top:4px;
  font-size:10.5px;color:#5BE3B0;font-weight:600;letter-spacing:.04em;
}
.board-score .minute i{width:5px;height:5px;border-radius:50%;background:currentColor;margin:0;font-size:0;}
.board-tl{margin-top:8px;border-top:1px solid rgba(255,255,255,.1);padding-top:6px;}
.board-tl .tl{padding:9px 2px;font-size:12px;grid-template-columns:44px 1fr auto;}
.board-tl .tl .ev .dot-m{width:18px;height:18px;font-size:9px;}
.board-tl .tl .who{font-size:10px;}
.board-actions{display:flex;gap:8px;margin-top:14px;}
.board-actions .btn{flex:1;height:42px;font-size:13px;}
.board-actions .btn-ghost{border-color:rgba(255,255,255,.16);}

.match-copy .h2{margin-bottom:16px;}
.match-copy .lead{color:rgba(255,255,255,.66);margin-bottom:22px;}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-bottom:26px;}
.feature-list li{display:flex;gap:12px;align-items:flex-start;}
.feature-list .fi{
  width:22px;height:22px;border-radius:7px;flex:none;margin-top:2px;
  display:grid;place-items:center;background:rgba(26,163,119,.2);color:#5BE3B0;
}
.feature-list .fi svg{width:12px;height:12px;stroke-width:2.6;}
.feature-list b{display:block;font-size:14.5px;font-weight:650;margin-bottom:2px;}
.feature-list span{font-size:13px;color:rgba(255,255,255,.55);line-height:1.6;}

/* ---------- 左右分栏 ---------- */
.split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(32px,5vw,72px);align-items:center;
}
.split.reverse .split-media{order:-1;}
.split-media{position:relative;display:flex;justify-content:center;}
.split-media .phone{width:clamp(240px,26vw,300px);}
.split-media .phone.flat{transform:rotate(0);animation:none;}
.badge-float{
  position:absolute;right:4%;bottom:8%;z-index:3;
  background:#fff;color:#0B0B0F;border-radius:var(--r-md);padding:12px 15px;
  box-shadow:var(--sh-3);font-size:12px;line-height:1.4;max-width:170px;
}
.badge-float b{display:block;font-size:12.5px;margin-bottom:2px;}
.badge-float span{color:var(--text-3);font-size:11px;}

.steps{display:flex;flex-direction:column;gap:0;margin:26px 0 28px;}
.step{
  display:grid;grid-template-columns:34px 1fr;gap:14px;padding:16px 0;
  border-top:1px solid var(--sep);
}
.step:last-child{border-bottom:1px solid var(--sep);}
.step .n{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
}
.step b{display:block;font-size:15px;margin-bottom:2px;}
.step p{font-size:13.5px;color:var(--text-2);}

/* ---------- 引语 ---------- */
.quote{
  padding:clamp(56px,8vw,104px) 0;text-align:center;
  background:linear-gradient(180deg,#F2F2F7,#E9E9EF);
}
.quote blockquote{
  max-width:900px;margin:0 auto;
  font-size:clamp(22px,3vw,36px);line-height:1.45;font-weight:650;letter-spacing:-.022em;
}
.quote blockquote em{font-style:normal;color:var(--brand);}
.quote .who{margin-top:22px;font-size:12.5px;color:var(--text-3);letter-spacing:.06em;}

/* ---------- 下载 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(70% 90% at 78% 24%,rgba(242,107,29,.34) 0%,rgba(7,35,28,0) 58%),
    linear-gradient(150deg,#0A3327,#061C16 70%);
  border-radius:var(--r-2xl);
  padding:clamp(32px,5vw,56px);
}
.cta-band .pitch{opacity:.4;}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-inner .h2{max-width:560px;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.62);font-size:14.5px;max-width:46ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;}
.cta-meta{margin-top:12px;font-size:11.5px;color:rgba(255,255,255,.4);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#061C16;color:rgba(255,255,255,.62);
  padding:64px 0 28px;font-size:13.5px;
}
.footer-top{
  display:grid;grid-template-columns:1.5fr repeat(3,.8fr);
  gap:clamp(24px,4vw,56px);padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand p{max-width:34ch;line-height:1.7;font-size:13px;}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--r-full);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  font-size:11px;color:rgba(255,255,255,.64);
}
.chip i{width:5px;height:5px;border-radius:50%;background:#5BE3B0;}
.footer-col h4{
  font-size:12px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(255,255,255,.4);margin-bottom:14px;
}
.footer-col a{display:block;padding:5px 0;color:rgba(255,255,255,.68);transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  padding-top:24px;font-size:11.5px;color:rgba(255,255,255,.34);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:rgba(255,255,255,.8);}

/* ---------- 内页头图 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:calc(var(--nav-h) + 68px) 0 clamp(48px,6vw,72px);
  background:
    radial-gradient(80% 90% at 82% 10%,rgba(21,133,100,.42) 0%,rgba(7,35,28,0) 62%),
    linear-gradient(160deg,#0A3327,#061C16 72%);
}
.page-hero .pitch{opacity:.42;}
.page-hero .h1{font-size:clamp(32px,4.4vw,54px);margin-bottom:16px;max-width:20ch;}
.page-hero .lead{color:rgba(255,255,255,.64);margin-bottom:0;}
.page-hero .eyebrow{margin-bottom:14px;}
.page-hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:end;}
.page-hero .hero-stat{
  display:flex;flex-wrap:wrap;gap:26px;align-items:flex-start;
  padding-left:24px;border-left:1px solid rgba(255,255,255,.14);
}
.page-hero .hero-stat>div{display:flex;flex-direction:column;gap:1px;}
.page-hero .hero-stat b{font-size:clamp(22px,2.6vw,30px);font-weight:750;letter-spacing:-.02em;line-height:1.1;}
.page-hero .hero-stat span{font-size:11.5px;color:rgba(255,255,255,.5);}

/* 锚点子导航 */
.subnav{
  position:sticky;top:var(--nav-h);z-index:80;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid var(--hairline);
}
.subnav-inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;padding:10px 0;}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav a{
  flex:none;padding:8px 14px;border-radius:var(--r-full);font-size:13.5px;font-weight:550;
  color:var(--text-2);transition:background .2s,color .2s;
}
.subnav a:hover{background:var(--fill);color:var(--text);}
.subnav a.active{background:var(--green-900);color:#fff;}

/* ---------- 通用信息块 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.panel{
  background:var(--card);border:1px solid var(--hairline);border-radius:var(--r-xl);
  padding:26px;
}
.panel.pad-lg{padding:clamp(24px,3vw,36px);}
.panel h3{margin-bottom:10px;}
.panel p{font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--sep);}
.faq-item:first-child{border-top:1px solid var(--sep);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:16px;font-weight:600;letter-spacing:-.01em;
  transition:color .2s;
}
.faq-q:hover{color:var(--brand);}
.faq-q .sign{
  position:relative;flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--sep-strong);display:grid;place-items:center;
  transition:transform .3s var(--ease),background .25s,border-color .25s,color .25s;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q .sign::before{width:10px;height:1.5px;}
.faq-q .sign::after{width:1.5px;height:10px;transition:transform .3s var(--ease);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-item.open .faq-q .sign{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-item.open .faq-q .sign::after{transform:scaleY(0);}
.faq-a{overflow:hidden;height:0;transition:height .36s var(--ease);}
.faq-a-inner{padding:0 40px 24px 4px;font-size:14.5px;line-height:1.75;color:var(--text-2);}
.faq-a-inner p+p{margin-top:10px;}
.faq-a-inner ul{margin:8px 0 0;padding-left:2px;}
.faq-a-inner li{position:relative;padding-left:16px;margin-bottom:5px;}
.faq-a-inner li::before{
  content:"";position:absolute;left:0;top:.65em;width:4px;height:4px;border-radius:50%;background:var(--brand);
}
.faq-a-inner strong{color:var(--text);font-weight:600;}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--text-2);}
.field label .req{color:var(--brand);margin-left:2px;}
.field input,.field textarea,.field select{
  width:100%;padding:13px 14px;border-radius:var(--r-sm);
  background:var(--card);border:1px solid var(--sep);
  font-size:14.5px;transition:border-color .2s,box-shadow .2s,background .2s;
  -webkit-appearance:none;appearance:none;
}
.field textarea{min-height:132px;resize:vertical;line-height:1.65;}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px;
  padding-right:38px;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,107,29,.14);
}
.field .hint{font-size:11.5px;color:var(--text-3);}
.form-note{font-size:11.5px;color:var(--text-3);line-height:1.6;}
.form-status{
  display:none;padding:12px 14px;border-radius:var(--r-sm);font-size:13px;
  background:var(--green-tint);color:var(--green-800);border:1px solid rgba(21,133,100,.2);
}
.form-status.show{display:block;}

/* ---------- 动效 ---------- */
html.js [data-reveal]{opacity:0;transform:translateY(18px);}
html.js [data-reveal].in{
  opacity:1;transform:none;
  transition:opacity .7s var(--ease-out),transform .8s var(--ease-out);
  transition-delay:var(--d,0ms);
}
section[id]{scroll-margin-top:calc(var(--nav-h) + 60px);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--gutter:22px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero{padding-top:calc(var(--nav-h) + 40px);}
  .hero-copy{max-width:none;}
  .hero-sub{max-width:52ch;}
  .stage{min-height:470px;margin-top:8px;}
  .phone-main{width:clamp(198px,26vw,236px);}
  .phone-back{width:clamp(150px,20vw,176px);right:calc(50% - 250px);bottom:-4%;}
  .float-score{left:calc(50% - 262px);top:5%;}
  .float-like{left:calc(50% - 250px);bottom:2%;}
  .cards-4{grid-template-columns:repeat(2,1fr);}
  .showcase{grid-template-columns:1fr;gap:32px;}
  .tabs{
    flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding:2px 0 6px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch;
  }
  .tabs::-webkit-scrollbar{display:none;}
  .tab{flex:none;padding:9px 14px;border-radius:999px;border:1px solid var(--sep);background:rgba(255,255,255,.72);}
  .tab::before{display:none;}
  .tab h3{font-size:13px;justify-content:center;gap:0;white-space:nowrap;margin:0;}
  .tab h3 svg{display:none;}
  .tab p{display:none;}
  .tab[aria-selected="true"]{background:var(--green-900);border-color:var(--green-900);box-shadow:none;}
  .tab[aria-selected="true"] h3{color:#fff;}
  .device-stage{order:-1;}
  .match-grid,.split{grid-template-columns:1fr;gap:36px;}
  .split.reverse .split-media{order:0;}
  .split-media{order:0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
  .page-hero-grid{grid-template-columns:1fr;gap:24px;}
  .page-hero .hero-stat{padding-left:0;border-left:0;gap:22px;}
  .page-hero .h1{max-width:24ch;}
}
@media (max-width:720px){
  :root{--gutter:18px;--nav-h:60px;}
  .sec{padding:64px 0;}
  .sec-sm{padding:48px 0;}
  .sec-head{margin-bottom:32px;}
  .brand span small{display:none;}
  .brand{font-size:15.5px;}
  .hero{padding-top:calc(var(--nav-h) + 26px);}
  .hero h1{font-size:clamp(34px,9vw,44px);}
  .hero-sub{font-size:15px;}
  .hero-tag{font-size:11.5px;}
  .stage{min-height:520px;}
  .phone-main{width:226px;}
  .phone-back{display:none;}
  .float{display:none;}
  .facts{grid-template-columns:repeat(2,1fr);gap:14px 0;padding:18px 0;}
  .facts div{padding:2px 14px;}
  .facts div:nth-child(3){border-left:0;padding-left:0;}
  .cards-4{grid-template-columns:1fr;gap:12px;}
  .device-stage{padding:8px 0 0;}
  .stage-note{margin-top:12px;text-align:center;}
  .badge-float{display:none;}
  .card{padding:22px 20px;}
  .tabs{grid-template-columns:repeat(3,1fr);}
  .tab{padding:10px 8px 12px;}
  .tab h3{font-size:12.5px;}
  .device-frame{width:250px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .quote blockquote{font-size:22px;}
  .page-hero{padding:calc(var(--nav-h) + 46px) 0 44px;}
  .board-main{gap:6px;}
  .board-team .badge{width:44px;height:44px;}
  .board-team strong{font-size:13px;}
  .board-tl .tl{grid-template-columns:38px 1fr auto;font-size:11px;}
}

@media (max-width:400px){
  .btn{height:48px;padding:0 20px;font-size:14.5px;}
  .hero-actions .btn{flex:1;}
  .float-danmaku{display:none;}
}

/* 尊重系统减弱动效 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  [data-reveal]{opacity:1 !important;transform:none !important;}
  .ticker-track{animation:none;}
}