/* ============================================================
   栖语 · 官方介绍站样式（配色沿用栖语 App 设计稿 tokens）
   品牌渐变 #FA2A73 → #F12AE7 ｜ 圆角胶囊 ｜ 卡片阴影
   ============================================================ */
:root{
  --brand1:#FA2A73;
  --brand2:#F12AE7;
  --g-brand:linear-gradient(90deg,#FA2A73 0%,#F12AE7 100%);
  --g-purple:linear-gradient(90deg,#C084FC 0%,#8B5CF6 100%);
  --g-rose:linear-gradient(115deg,#FF85B2 0%,#FFDA90 100%);
  --g-sky:linear-gradient(135deg,#4DA6FF 0%,#8B5CF6 100%);
  --g-gold:linear-gradient(115deg,#FFD35C 0%,#FF9E63 100%);
  --g-mint:linear-gradient(115deg,#5FE0B5 0%,#37C08C 100%);
  --txt:#222222;
  --txt2:#666666;
  --sub:#B0B0B0;
  --sub2:#C8C8C8;
  --line:#F0F0F0;
  --pink-soft:#FEF4F7;
  --pink-border:#FBE1E9;
  --card-shadow:0 10px 34px rgba(250,42,115,.10);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--txt);
  background:#FFF9FB;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 24px}

/* ---------------- 顶栏 ---------------- */
.header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(251,225,233,.9);
}
.header .wrap{display:flex;align-items:center;height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img{width:46px;height:46px;border-radius:13px;box-shadow:0 6px 16px rgba(250,42,115,.28)}
.brand .bn{line-height:1.15}
.brand .bn b{display:block;font-size:21px;font-weight:800;letter-spacing:1px}
.brand .bn small{display:block;font-size:11px;color:var(--sub);letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:4px;margin-left:34px}
.nav a{
  position:relative;padding:9px 18px;border-radius:999px;
  font-size:16px;font-weight:500;color:#555;transition:all .2s;
}
.nav a:hover{color:var(--brand1)}
.nav a.on{color:#fff;font-weight:700;background:var(--g-brand);box-shadow:0 6px 16px rgba(250,42,115,.30)}
.hd-dl{margin-left:auto;flex:none}
.btn-mini{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 24px;border-radius:21px;
  background:var(--g-brand);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 8px 20px rgba(250,42,115,.30);transition:transform .2s,box-shadow .2s;
}
.btn-mini:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(250,42,115,.38)}
.btn-mini svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------------- 首页 Hero ---------------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFEFF6 0%,#FFF6FA 58%,#FFF9FB 100%)}
.hero .deco{position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
.hero .deco.d1{width:420px;height:420px;right:-120px;top:-140px;background:radial-gradient(circle,rgba(249,120,200,.30),transparent 65%)}
.hero .deco.d2{width:380px;height:380px;left:-140px;bottom:-160px;background:radial-gradient(circle,rgba(174,114,255,.22),transparent 65%)}
.hero .deco.d3{width:220px;height:220px;right:34%;top:20px;background:radial-gradient(circle,rgba(255,180,205,.35),transparent 70%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:96px}
.hero-logo{width:118px;height:118px;border-radius:26px;box-shadow:0 20px 44px rgba(250,42,115,.38);animation:floatY 5s ease-in-out infinite}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.hero h1{margin-top:30px;font-size:50px;line-height:1.15;font-weight:900;letter-spacing:2px}
.hero h1 em{font-style:normal;background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .slogan{margin-top:12px;font-size:22px;font-weight:700;color:var(--brand1)}
.hero .desc{margin-top:18px;font-size:17px;color:#555;line-height:1.9;max-width:520px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badges span{
  display:inline-flex;align-items:center;gap:7px;
  height:32px;padding:0 14px;border-radius:16px;
  background:#fff;border:1px solid var(--pink-border);
  color:#6b4552;font-size:13px;font-weight:600;
  box-shadow:0 4px 12px rgba(250,42,115,.06);
}
.badges span i{width:6px;height:6px;border-radius:50%;background:var(--g-brand);flex:none}
.dl-row{display:flex;gap:18px;margin-top:38px;flex-wrap:wrap}
.dl{
  display:inline-flex;align-items:center;gap:12px;
  min-width:216px;height:62px;padding:0 26px;border-radius:20px;
  font-weight:700;transition:transform .2s,box-shadow .2s;
}
.dl:hover{transform:translateY(-4px)}
.dl svg{width:26px;height:26px;flex:none;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.dl small{display:block;font-size:11px;font-weight:600;opacity:.75;line-height:1.2}
.dl b{display:block;font-size:18px;line-height:1.2}
.dl-ios{background:#17171C;color:#fff;box-shadow:0 14px 30px rgba(23,23,28,.22)}
.dl-ios svg{stroke:#fff}
.dl-ios:hover{box-shadow:0 18px 38px rgba(23,23,28,.30)}
.dl-and{background:var(--g-brand);color:#fff;box-shadow:0 14px 30px rgba(250,42,115,.34)}
.dl-and svg{stroke:#fff}
.dl-and:hover{box-shadow:0 18px 38px rgba(250,42,115,.42)}
/* 右侧手机视觉 */
.hero-vis{position:relative;display:flex;justify-content:center;align-items:center}
.hero-vis .halo{position:absolute;width:470px;height:470px;border-radius:50%;
  background:linear-gradient(160deg,rgba(250,42,115,.14),rgba(174,114,255,.18),rgba(255,133,178,.12));
  filter:blur(6px)}
.phone{
  position:relative;width:292px;padding:12px;border-radius:50px;
  background:#191920;box-shadow:0 34px 70px rgba(120,20,90,.26);
  transform:rotate(2deg);
}
.phone img{width:100%;border-radius:38px}
.phone::before{content:"";position:absolute;top:22px;left:50%;transform:translateX(-50%);
  width:104px;height:24px;background:#191920;border-radius:13px;z-index:2}
.phone::after{content:"";position:absolute;top:36px;left:50%;transform:translateX(-50%);
  width:64px;height:4px;background:rgba(255,255,255,.16);border-radius:2px;z-index:3}
.fchip{
  position:absolute;z-index:4;display:flex;align-items:center;gap:11px;
  background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  padding:10px 14px;border-radius:18px;
  box-shadow:0 14px 34px rgba(160,40,100,.16);border:1px solid rgba(255,255,255,.9);
  animation:floatY 6s ease-in-out infinite;
}
.fchip .cd{width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;flex:none}
.fchip .cd svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.fchip b{display:block;font-size:14px;color:var(--txt)}
.fchip small{display:block;font-size:11px;color:var(--sub)}
.fc1{left:-26px;top:56px;animation-delay:.4s}
.fc1 .cd{background:var(--g-brand)}
.fc2{right:-34px;top:228px;animation-delay:1.2s}
.fc2 .cd{background:var(--g-purple)}
.fc3{left:18px;bottom:-16px;animation-delay:2s}
.fc3 .cd{background:var(--g-gold)}
.fc3 .cd svg{stroke:#fff}

/* ---------------- 通用区块 ---------------- */
.section{padding:90px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 52px}
.sec-head .kicker{
  display:inline-block;height:28px;line-height:28px;padding:0 16px;border-radius:14px;
  background:var(--g-brand);color:#fff;font-size:12px;font-weight:700;letter-spacing:2px;
}
.sec-head h2{margin-top:18px;font-size:36px;font-weight:900;letter-spacing:1px}
.sec-head p{margin-top:12px;font-size:16px;color:var(--txt2)}

/* ---------------- 特色卡片 ---------------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fcard{
  background:#fff;border:1px solid #FBE9F0;border-radius:22px;
  padding:30px 28px;box-shadow:var(--card-shadow);
  transition:transform .22s,box-shadow .22s;
}
.fcard:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(250,42,115,.16)}
.fic{width:60px;height:60px;border-radius:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(0,0,0,.10)}
.fic svg{width:30px;height:30px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fic.c1{background:var(--g-brand)}
.fic.c2{background:var(--g-purple)}
.fic.c3{background:var(--g-rose)}
.fic.c4{background:var(--g-sky)}
.fic.c5{background:var(--g-gold)}
.fic.c6{background:var(--g-mint)}
.fcard h3{margin-top:20px;font-size:19px;font-weight:800}
.fcard p{margin-top:10px;font-size:14.5px;color:var(--txt2);line-height:1.85}

/* ---------------- 界面预览 ---------------- */
.shots-sec{background:linear-gradient(180deg,#FFF9FB 0%,#FFF1F7 100%)}
.shots{display:flex;justify-content:center;align-items:flex-start;gap:56px;flex-wrap:wrap}
.shot{width:246px;text-align:center}
.shot .ph{position:relative;padding:11px;border-radius:46px;background:#191920;
  box-shadow:0 26px 56px rgba(120,20,90,.20);transform:rotate(-1.6deg)}
.shot.mid{width:282px;transform:translateY(-18px)}
.shot.mid .ph{transform:rotate(1deg);box-shadow:0 34px 66px rgba(120,20,90,.26)}
.shot .ph img{width:100%;border-radius:35px}
.shot .ph::before{content:"";position:absolute;top:21px;left:50%;transform:translateX(-50%);
  width:96px;height:22px;background:#191920;border-radius:11px;z-index:2}
.shot .cap{margin-top:22px;font-size:16px;font-weight:800}
.shot .cap i{display:block;font-style:normal;font-size:12.5px;color:var(--sub);font-weight:500;margin-top:5px}

/* ---------------- 副页头部 ---------------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFEFF6 0%,#FFF9FB 100%)}
.page-hero .deco{position:absolute;border-radius:50%;pointer-events:none}
.page-hero .deco.d1{width:360px;height:360px;right:-110px;top:-140px;background:radial-gradient(circle,rgba(249,120,200,.26),transparent 65%)}
.page-hero .deco.d2{width:300px;height:300px;left:-120px;bottom:-130px;background:radial-gradient(circle,rgba(174,114,255,.20),transparent 65%)}
.page-hero .wrap{position:relative;text-align:center;padding-top:76px;padding-bottom:66px}
.page-hero .crumb{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--sub)}
.page-hero .crumb a:hover{color:var(--brand1)}
.page-hero h1{margin-top:16px;font-size:42px;font-weight:900;letter-spacing:2px}
.page-hero h1 em{font-style:normal;background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .sub{margin-top:14px;font-size:16px;color:var(--txt2)}
.page-body{padding:64px 0 90px}
.page-body .wrap{max-width:980px}

/* ---------------- 文案卡片 ---------------- */
.panel{background:#fff;border:1px solid #FBE9F0;border-radius:24px;padding:46px 52px;
  box-shadow:var(--card-shadow)}
.panel h2{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:900}
.panel h2 .bar{width:6px;height:26px;border-radius:3px;background:var(--g-brand);flex:none}
.panel p{margin-top:22px;font-size:16px;color:#4a4650;line-height:2.1;text-align:justify}
.panel p:first-of-type{margin-top:26px}
.panel .hl{color:var(--brand1);font-weight:700}
.panel .lead{font-size:17px;color:var(--txt)}
.info-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.icard{
  background:#fff;border:1px solid #FBE9F0;border-radius:20px;padding:24px 26px;
  display:flex;gap:16px;align-items:flex-start;box-shadow:var(--card-shadow);
}
.icard.full{grid-column:1/-1}
.icard .it{flex:1;min-width:0;padding-top:1px}
.icard .it b{display:block;font-size:13px;color:var(--sub);font-weight:600;letter-spacing:.5px}
.icard .it span{display:block;margin-top:6px;font-size:16px;color:var(--txt);font-weight:600;line-height:1.75;word-break:break-word}
.icard .it a{color:var(--brand1)}
.icard .ii{width:48px;height:48px;border-radius:14px;flex:none;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(0,0,0,.08)}
.icard .ii svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.icard.b1 .ii{background:var(--g-brand)}.icard.b2 .ii{background:var(--g-purple)}
.icard.b3 .ii{background:var(--g-sky)}.icard.b4 .ii{background:var(--g-gold)}
.center{text-align:center}
.space-t{margin-top:34px}

/* ---------------- 页脚 ---------------- */
.footer{margin-top:0;background:linear-gradient(150deg,#2B1D33 0%,#3A1630 58%,#3B1233 100%);color:#CBB7CC}
.footer .wrap{padding-top:64px;padding-bottom:44px}
.f-brand{display:flex;justify-content:center;align-items:center;gap:12px}
.f-brand img{width:56px;height:56px;border-radius:16px;box-shadow:0 10px 24px rgba(0,0,0,.35)}
.f-brand b{display:block;font-size:22px;font-weight:800;color:#fff;letter-spacing:2px}
.f-brand small{display:block;font-size:11.5px;color:#A88DAA;font-weight:500;letter-spacing:1px}
.f-nav{display:flex;justify-content:center;gap:34px;margin-top:26px;font-size:14.5px}
.f-nav a{color:#D9C4DA;transition:color .2s}
.f-nav a:hover{color:#fff}
.f-line{width:64px;height:1px;margin:26px auto;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent)}
.f-meta{text-align:center;font-size:12.5px;color:#A88DAA;line-height:2.2}
.f-meta a{color:#D9A6C8}
.f-meta a:hover{color:#fff}
.f-meta .f-copy{color:#fff;font-weight:600}

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .hero .wrap{grid-template-columns:1fr;text-align:center;gap:72px}
  .hero .desc{margin-left:auto;margin-right:auto}
  .hero .dl-row,.badges{justify-content:center}
  .hero-vis{margin-top:10px}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .header .wrap{height:64px}
  .nav{display:none}
  .hd-dl{margin-left:auto}
  .hero h1{font-size:36px}
  .section{padding:64px 0}
  .sec-head h2{font-size:28px}
  .grid{grid-template-columns:1fr}
  .page-hero h1{font-size:32px}
  .panel{padding:30px 24px}
  .info-cards{grid-template-columns:1fr}
  .shots{gap:34px}
  .shot.mid{transform:none}
  .footer .f-nav{flex-wrap:wrap;gap:18px}
}