/* ===== 设计系统：SHOWY LIVE 紫色渐变主题 ===== */
:root {
  --purple-50: #f7f3ff;
  --purple-100: #efe7ff;
  --purple-200: #ddccff;
  --purple-300: #c4a7ff;
  --purple-400: #a87bff;
  --purple-500: #8b5cf6;
  --purple-600: #7c3aed;
  --purple-700: #6d28d9;
  --ink: #1c1530;
  --ink-soft: #5b5470;
  --ink-mute: #8b86a0;
  --white: #ffffff;
  --line: #ece6f7;
  --grad: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
  --grad-soft: linear-gradient(135deg, #c4a7ff 0%, #8b5cf6 100%);
  --shadow-sm: 0 4px 16px rgba(124, 58, 237, 0.08);
  --shadow-md: 0 12px 36px rgba(124, 58, 237, 0.12);
  --shadow-lg: 0 24px 60px rgba(124, 58, 237, 0.18);
  --radius: 18px;
  --radius-lg: 28px;
  --maxw: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 15px; cursor: pointer; border: none;
  padding: 12px 24px; border-radius: 999px; transition: all .25s ease;
  font-family: inherit;
}
.btn--lg { padding: 15px 32px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px rgba(124,58,237,.32); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(124,58,237,.42); }
.btn--ghost { background: var(--purple-50); color: var(--purple-700); border: 1px solid var(--purple-200); }
.btn--ghost:hover { background: var(--purple-100); transform: translateY(-2px); }
.btn--pill { background: var(--grad); color: #fff; padding: 9px 18px; font-size: 14px; box-shadow: 0 8px 18px rgba(124,58,237,.3); }
.btn--pill:hover { transform: translateY(-2px); }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 999px;
}
.pill--soft { background: var(--purple-100); color: var(--purple-700); }

/* ===== 导航 ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.7); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: all .3s ease;
}
.nav.scrolled { background: rgba(255,255,255,.92); border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; }
.brand__logo {
  width: 38px; height: 38px; border-radius: 11px; object-fit: cover;
  box-shadow: 0 6px 14px rgba(124,58,237,.35); display: block;
}
.brand__name { font-size: 20px; letter-spacing: .5px; }
.brand__name b { color: var(--purple-600); }

.nav__links { display: flex; gap: 30px; }
.nav__links a { font-size: 15px; font-weight: 500; color: var(--ink-soft); position: relative; transition: color .2s; }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--grad); border-radius: 2px; transition: width .25s ease;
}
.nav__links a:hover { color: var(--purple-700); }
.nav__links a:hover::after { width: 100%; }

.nav__actions { display: flex; align-items: center; gap: 14px; }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: .3s; }

/* ===== Hero ===== */
.hero { position: relative; padding: 150px 0 90px; overflow: hidden; background: linear-gradient(180deg, var(--purple-50) 0%, #fff 100%); }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; }
.blob--1 { width: 420px; height: 420px; background: #c4a7ff; top: -80px; right: -60px; }
.blob--2 { width: 360px; height: 360px; background: #cd9bff; bottom: -120px; left: -80px; opacity: .5; }
.blob--3 { width: 280px; height: 280px; background: #b794ff; top: 40%; left: 45%; opacity: .35; }

.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.hero__title { font-size: 56px; line-height: 1.15; font-weight: 900; letter-spacing: 1px; margin: 20px 0; }
.hero__desc { font-size: 17px; color: var(--ink-soft); max-width: 520px; margin-bottom: 30px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__trust { display: flex; align-items: center; gap: 22px; margin-top: 40px; }
.hero__trust b { display: block; font-size: 26px; font-weight: 900; }
.hero__trust span { font-size: 13px; color: var(--ink-mute); }
.hero__trust .divider { width: 1px; height: 36px; background: var(--line); }

/* Hero 手机 */
.hero__visual { position: relative; display: grid; place-items: center; }
.phone {
  position: relative; width: 280px; height: 560px; border-radius: 42px;
  background: linear-gradient(160deg, #2a1d45, #4c2a8f); padding: 12px;
  box-shadow: var(--shadow-lg); animation: floatY 6s ease-in-out infinite;
}
.phone__notch { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); width: 110px; height: 22px; background: #1a1230; border-radius: 0 0 14px 14px; z-index: 3; }
.phone__screen { width: 100%; height: 100%; border-radius: 32px; background: #1a1230; overflow: hidden; position: relative; }
.phone__shot { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.live-card {
  position: relative; height: 320px; border-radius: 22px; margin-top: 22px; overflow: hidden;
  background: linear-gradient(160deg, #b07bff, #7c3aed);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  box-shadow: inset 0 -60px 60px rgba(40,20,80,.4);
}
.live-card__top { position: absolute; top: 12px; left: 12px; right: 12px; display: flex; justify-content: space-between; }
.live-badge { background: #ff3b6b; color: #fff; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 999px; }
.live-views { background: rgba(0,0,0,.3); color: #fff; font-size: 11px; padding: 3px 8px; border-radius: 999px; }
.live-card__avatar { width: 72px; height: 72px; border-radius: 50%; background: linear-gradient(135deg,#ffd3ec,#fff); border: 3px solid #fff; box-shadow: 0 8px 20px rgba(0,0,0,.25); }
.live-card__name { color: #fff; font-weight: 700; font-size: 16px; }
.live-card__tag { color: #fff; font-size: 12px; background: rgba(255,255,255,.22); padding: 2px 10px; border-radius: 999px; }
.gift-fly { position: absolute; bottom: 20px; left: 24px; font-size: 22px; animation: rise 3s linear infinite; }
.gift-fly--2 { left: 50%; font-size: 26px; animation-delay: 1s; }
.gift-fly--3 { left: 75%; font-size: 20px; animation-delay: 2s; }
.mini-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.mini-card { height: 70px; border-radius: 14px; background: linear-gradient(135deg,#e9defc,#d6c2ff); }
.mini-card:nth-child(2){ background:linear-gradient(135deg,#ffe1ef,#ffc7e0);}
.mini-card:nth-child(3){ background:linear-gradient(135deg,#d9e6ff,#bcd2ff);}
.mini-card:nth-child(4){ background:linear-gradient(135deg,#e3f7e8,#c4f0d0);}

.float-chip {
  position: absolute; background: #fff; border-radius: 14px; padding: 10px 14px;
  font-size: 13px; font-weight: 700; box-shadow: var(--shadow-md); white-space: nowrap;
}
.float-chip--gift { top: 70px; right: 0; color: var(--purple-700); animation: floatY 5s ease-in-out infinite; }
.float-chip--fans { bottom: 80px; left: -10px; color: #e0457a; animation: floatY 5s ease-in-out infinite 1.5s; }

@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes rise { 0% { transform: translateY(0); opacity: 0; } 20% { opacity: 1; } 100% { transform: translateY(-120px); opacity: 0; } }

/* ===== Logos 条 ===== */
.logos { padding: 36px 0; border-bottom: 1px solid var(--line); }
.logos__inner { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; justify-content: center; }
.logos__label { font-size: 13px; color: var(--ink-mute); font-weight: 700; }
.logos__row { display: flex; gap: 34px; flex-wrap: wrap; justify-content: center; }
.logo-item { font-size: 15px; font-weight: 700; color: var(--ink-mute); opacity: .8; transition: .2s; }
.logo-item:hover { color: var(--purple-600); opacity: 1; }

/* ===== 通用 section ===== */
.section { padding: 90px 0; }
.section--alt { background: var(--purple-50); }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section__title { font-size: 40px; font-weight: 900; line-height: 1.25; margin: 16px 0; letter-spacing: .5px; }
.section__sub { font-size: 17px; color: var(--ink-soft); }

.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* 功能卡 */
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; transition: all .3s ease; box-shadow: var(--shadow-sm);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--purple-200); }
.feature-card__icon {
  width: 58px; height: 58px; border-radius: 16px; background: var(--grad-soft);
  display: grid; place-items: center; font-size: 28px; margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(124,58,237,.25);
}
.feature-card h3 { font-size: 20px; margin-bottom: 8px; }
.feature-card p { font-size: 15px; color: var(--ink-soft); }

/* 直播生态 */
.live__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.live__media { position: relative; height: 460px; }
.stack-card {
  position: absolute; width: 240px; border-radius: var(--radius-lg); background: #fff;
  box-shadow: var(--shadow-md); padding: 16px; transition: transform .3s ease;
}
.stack-card__cover { height: 150px; border-radius: 18px; display: grid; place-items: center; font-size: 54px; }
.stack-card__meta { padding: 12px 4px 4px; }
.stack-card__meta b { display: block; font-size: 16px; }
.stack-card__meta span { font-size: 13px; color: var(--ink-mute); }
.stack-card--1 { top: 10px; left: 10px; z-index: 3; }
.stack-card--1 .stack-card__cover { background: linear-gradient(135deg,#ffd6ec,#ff9ecb); }
.stack-card--2 { top: 90px; right: 20px; z-index: 2; }
.stack-card--2 .stack-card__cover { background: linear-gradient(135deg,#d6c2ff,#a87bff); }
.stack-card--3 { bottom: 0; left: 70px; z-index: 1; }
.stack-card--3 .stack-card__cover { background: linear-gradient(135deg,#c2e0ff,#7fb0ff); }
.live__media:hover .stack-card--1 { transform: translateY(-8px) rotate(-2deg); }
.live__media:hover .stack-card--2 { transform: translateY(-8px) rotate(2deg); }

.check-list { margin: 22px 0 28px; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 32px; font-size: 16px; color: var(--ink-soft); }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px;
  background: var(--grad); color: #fff; border-radius: 50%; display: grid; place-items: center;
  font-size: 12px; font-weight: 900;
}

/* 数据 */
.stats { text-align: center; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 20px; box-shadow: var(--shadow-sm); }
.stat__num { display: block; font-size: 46px; font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.stat span { font-size: 15px; color: var(--ink-soft); }

/* 套餐 / 公会 */
.plan-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 28px; box-shadow: var(--shadow-sm); position: relative; display: flex; flex-direction: column; }
.plan-card--featured { background: linear-gradient(170deg, #2a1d45, #4c2a8f); color: #fff; border: none; box-shadow: var(--shadow-lg); transform: translateY(-10px); }
.plan-card__badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: #ff3b6b; color: #fff; font-size: 12px; font-weight: 700; padding: 5px 16px; border-radius: 999px; white-space: nowrap; }
.plan-card__name { font-size: 22px; margin-bottom: 8px; }
.plan-card__price { font-size: 24px; font-weight: 900; margin-bottom: 22px; color: var(--purple-600); }
.plan-card--featured .plan-card__price { color: #d6b8ff; }
.plan-card__price span { font-size: 14px; font-weight: 500; opacity: .7; }
.plan-card ul { display: grid; gap: 12px; margin-bottom: 26px; flex: 1; }
.plan-card li { position: relative; padding-left: 26px; font-size: 15px; color: var(--ink-soft); }
.plan-card--featured li { color: rgba(255,255,255,.85); }
.plan-card li::before { content: "✦"; position: absolute; left: 0; color: var(--purple-500); }
.plan-card--featured li::before { color: #d6b8ff; }

/* 下载 CTA */
.download { padding: 30px 0; }
.download__inner {
  background: linear-gradient(135deg, #6d28d9, #a855f7); border-radius: 32px;
  padding: 56px; display: grid; grid-template-columns: 1.4fr .6fr; gap: 40px;
  align-items: center; color: #fff; box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.download__inner::before { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,.12); top: -120px; right: -60px; }
.download__copy h2 { font-size: 36px; font-weight: 900; margin-bottom: 12px; }
.download__copy .grad-text { -webkit-text-fill-color: #ffe; background: none; color: #ffe7a8; }
.download__copy > p { font-size: 17px; opacity: .9; margin-bottom: 24px; }
.download__btns { display: flex; gap: 14px; flex-wrap: wrap; }
.store-btn { display: flex; align-items: center; gap: 12px; background: #fff; color: var(--ink); border-radius: 14px; padding: 11px 20px; transition: .25s; }
.store-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(0,0,0,.2); }
.store-btn__ico { width: 30px; height: 30px; border-radius: 8px; background: var(--grad); display: grid; place-items: center; color: #fff; font-size: 14px; }
.store-btn small { display: block; font-size: 11px; color: var(--ink-mute); }
.store-btn b { font-size: 16px; }
.download__note { font-size: 13px; opacity: .85; margin-top: 18px; }
.download__qr { position: relative; z-index: 1; text-align: center; color: #fff; }
.qr { width: 140px; height: 140px; background: #fff; border-radius: 18px; padding: 12px; margin: 0 auto 12px; box-shadow: var(--shadow-md); }
.qr__grid { width: 100%; height: 100%; border-radius: 8px; background:
  repeating-conic-gradient(var(--ink) 0% 25%, #fff 0% 50%) 0 0/22px 22px; }
.download__qr span { font-size: 14px; opacity: .9; }

/* 联系 */
.contact__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info { margin-top: 24px; display: grid; gap: 14px; }
.contact-info li { font-size: 16px; color: var(--ink-soft); }
.contact-info a { color: var(--purple-700); font-weight: 600; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-md); display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14px; font-weight: 700; }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 15px; padding: 12px 14px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--purple-50); transition: .2s; resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--purple-400); background: #fff; box-shadow: 0 0 0 4px rgba(168,123,255,.15); }
.form-hint { font-size: 14px; text-align: center; min-height: 20px; color: var(--purple-700); font-weight: 600; }

/* 页脚 */
.footer { background: #1c1530; color: rgba(255,255,255,.7); padding: 60px 0 0; }
.footer__inner { display: grid; grid-template-columns: 1.4fr 2fr; gap: 40px; padding-bottom: 40px; }
.footer__brand .brand__name { color: #fff; }
.footer__brand p { margin-top: 16px; font-size: 14px; line-height: 1.9; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer__col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer__col a { display: block; font-size: 14px; padding: 6px 0; transition: color .2s; }
.footer__col a:hover { color: var(--purple-300); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer__bottom .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }

/* 滚动入场动画 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .hero__inner, .live__inner, .contact__inner, .download__inner { grid-template-columns: 1fr; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero__title { font-size: 44px; }
  .section__title { font-size: 32px; }
  .hero__visual { margin-top: 30px; }
  .live__media { height: 420px; max-width: 420px; margin: 0 auto; }
  .footer__inner { grid-template-columns: 1fr; }
  .plan-card--featured { transform: none; }
  .download__inner { text-align: center; }
  .download__btns, .download__copy .download__note { justify-content: center; }
}

@media (max-width: 640px) {
  .nav__links {
    position: fixed; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; gap: 0; padding: 10px 24px 20px; box-shadow: var(--shadow-md);
    transform: translateY(-130%); transition: transform .3s ease; border-top: 1px solid var(--line);
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__toggle { display: flex; }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .hero__title { font-size: 36px; }
  .hero__trust { flex-wrap: wrap; gap: 14px; }
  .hero__trust .divider { display: none; }
  .section { padding: 64px 0; }
  .section__title { font-size: 28px; }
  .download__inner { padding: 36px 24px; }
  .download__copy h2 { font-size: 28px; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
}