/* ============================================================
   表哥直播间视觉设计 · 企业官网
   biaoge.xinglinyuanzhen.com
   ============================================================ */

:root {
  --ink: #12101a;
  --ink-2: #1c1826;
  --ink-3: #262033;
  --red: #e11d48;
  --red-2: #f43f5e;
  --gold: #f0b45d;
  --paper: #f7f5f1;
  --card: #ffffff;
  --line: #e8e3da;
  --text: #2c2733;
  --muted: #6f6878;
  --radius: 16px;
  --shadow: 0 18px 44px rgba(18, 10, 26, 0.09);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }

/* ---------- 头部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  background: rgba(16, 13, 22, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: 0 8px 30px rgba(0,0,0,.35); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark svg { border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; color: #fff; }
.brand-text b { font-size: 17px; letter-spacing: .4px; }
.brand-text i { font-style: normal; font-size: 11.5px; color: var(--gold); opacity: .95; letter-spacing: .5px; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { color: #e9e4ee; font-size: 15px; opacity: .92; transition: color .2s; }
.main-nav a:hover { color: var(--gold); }
.main-nav .nav-cta {
  color: #fff; background: linear-gradient(135deg, var(--red) 0%, #c81e45 100%);
  padding: 9px 20px; border-radius: 999px; opacity: 1;
  box-shadow: 0 6px 18px rgba(225, 29, 72, .35);
}
.main-nav .nav-cta:hover { color: #fff; transform: translateY(-1px); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1100px 480px at 78% -10%, rgba(225, 29, 72, .34), transparent 60%),
    radial-gradient(800px 420px at 8% 110%, rgba(240, 180, 93, .12), transparent 60%),
    linear-gradient(160deg, #0d0a13 0%, #171221 55%, #120d18 100%);
  color: #fff;
  padding: 168px 0 92px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 90px;
  background: linear-gradient(to bottom, transparent, rgba(247, 245, 241, 1));
}
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex; font-size: 12.5px; letter-spacing: 1.6px; color: var(--gold);
  border: 1px solid rgba(240,180,93,.35); padding: 6px 14px; border-radius: 999px;
  background: rgba(240,180,93,.07); margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.22; letter-spacing: 1px; font-weight: 800;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--red-2), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.slogan { margin: 14px 0 16px; font-size: 20px; color: var(--gold); letter-spacing: 1px; font-weight: 600; }
.lead { color: #d7d1de; font-size: 16px; max-width: 56ch; }
.lead b { color: #fff; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 28px; }
.chips li {
  font-size: 13.5px; color: #efe9f5; border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06); padding: 6px 14px; border-radius: 999px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 13px 28px; font-size: 15.5px; font-weight: 600;
  transition: transform .18s ease, box-shadow .18s ease, background .2s;
}
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--red) 0%, #c81e45 100%); box-shadow: 0 10px 26px rgba(225,29,72,.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(225,29,72,.5); }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.04); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-lg { padding: 15px 36px; font-size: 17px; }
.hero-note { margin-top: 18px; font-size: 13px; color: #9b93a8; }

/* Hero 直播画面示意 */
.stage { position: relative; }
.stage-glow {
  position: absolute; inset: 8% 6%; border-radius: 40px;
  background: radial-gradient(closest-side, rgba(225,29,72,.5), transparent);
  filter: blur(30px); animation: pulse 5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:.55; } 50% { opacity: .95; } }
.stage-frame {
  position: relative; border-radius: 22px; overflow: hidden;
  background: #0b0911; border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 40px 90px rgba(0,0,0,.5); transform: rotate(-1.2deg);
}
.stage-top {
  display: flex; align-items: center; gap: 10px; padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08); font-size: 13px; color: #cfc6da;
}
.live-tag { display: inline-flex; align-items: center; gap: 6px; color: #fff; background: var(--red); font-weight: 700; font-size: 11.5px; padding: 2px 10px; border-radius: 999px; letter-spacing: 1px; }
.live-tag i { width: 6px; height: 6px; border-radius: 50%; background: #fff; animation: blink 1.4s infinite; }
@keyframes blink { 0%,100% {opacity:1} 50% {opacity:.25} }
.stage-body { position: relative; height: 290px; overflow: hidden; }
.s-bg { position: absolute; inset: 0; background: linear-gradient(120deg, #3b1220, #120c18 55%, #241531); }
.s-host { position: absolute; left: 18px; bottom: 14px; display: flex; flex-direction: column; gap: 6px; }
.s-host span { display: block; width: 88px; height: 14px; border-radius: 8px; background: rgba(255,255,255,.18); }
.s-host span:first-child { width: 68px; height: 68px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #f2b5c2, #8c233b 70%); box-shadow: inset 0 -10px 24px rgba(0,0,0,.35); }
.s-card { position: absolute; right: 18px; background: rgba(255,255,255,.94); border-radius: 12px; padding: 12px 16px; box-shadow: 0 14px 30px rgba(0,0,0,.35); }
.s-card b { display: block; color: var(--red); font-size: 17px; }
.s-card i { font-style: normal; color: #4a4353; font-size: 12px; }
.s-card-1 { top: 24px; }
.s-card-2 { top: 104px; }
.s-bar { position: absolute; left: 18px; right: 18px; bottom: 18px; height: 8px; border-radius: 99px; background: linear-gradient(90deg, var(--red), var(--gold)); opacity: .9; }
.stage-foot { padding: 12px 18px; font-size: 12px; color: #8d849b; border-top: 1px solid rgba(255,255,255,.08); text-align: center; letter-spacing: .6px; }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.light { background: #fff; }
.section.dark { background: linear-gradient(170deg, #171221, #0e0b14); color: #fff; }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.kicker { font-size: 12.5px; letter-spacing: 3px; color: var(--red); font-weight: 700; margin-bottom: 10px; }
.section.dark .kicker { color: var(--gold); }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: .5px; }
.sec-head p:last-child { margin-top: 12px; color: var(--muted); }
.section.dark .sec-head p:last-child { color: #a9a2b6; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 26px 60px rgba(18,10,26,.14); border-color: #e9d3cf; }
.card .ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 14px; margin-bottom: 18px;
  font-size: 19px; color: #fff; font-weight: 700;
  background: linear-gradient(135deg, var(--red-2), var(--red));
  box-shadow: 0 10px 22px rgba(225,29,72,.28);
}
.card h3 { font-size: 19px; margin-bottom: 10px; font-weight: 700; }
.card p { color: var(--muted); font-size: 14.5px; }
.card-soft {
  background: linear-gradient(150deg, #fff7f2, #fff);
  border-color: #f0ddd2;
}
.card-soft h3 { color: #b3401f; }
.card-soft p { color: #7c5a49; }

/* 服务对象 */
.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.persona {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; text-align: center;
}
.persona b { display: block; font-size: 17px; margin-bottom: 8px; color: var(--text); }
.persona p { color: var(--muted); font-size: 14.5px; }

/* 流程 */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.steps li { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 26px 22px; }
.step-no {
  display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: 50%; color: #12101a; font-weight: 800; font-size: 15px;
  background: linear-gradient(135deg, var(--gold), #ffd9a0); margin-bottom: 14px;
}
.steps h3 { font-size: 16.5px; margin-bottom: 8px; color: #fff; }
.steps p { color: #a9a2b6; font-size: 13.5px; }

/* 关于我们 */
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: start; }
.about-grid h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; margin-bottom: 18px; }
.about-grid > div > p { color: #4d4656; margin-bottom: 16px; font-size: 15.5px; }
.about-card {
  background: linear-gradient(160deg, #fff, #fff6f2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 28px; box-shadow: var(--shadow);
}
.about-card h3 { font-size: 17px; color: #b3401f; margin-bottom: 14px; }
.about-card dl div { display: flex; flex-direction: column; padding: 9px 0; border-bottom: 1px dashed #e7ddd3; }
.about-card dl div:last-child { border-bottom: 0; }
.about-card dt { font-size: 12px; color: #a08d7d; letter-spacing: 1px; }
.about-card dd { font-size: 14.5px; color: #3c353f; word-break: break-all; }

/* 联系 */
.contact-card { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 64px 24px; box-shadow: var(--shadow); }
.contact-card h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; margin-bottom: 12px; }
.contact-card p { color: var(--muted); margin-bottom: 24px; }
.contact-card .muted { color: #a9a2a6; font-size: 12.5px; margin-top: 26px; margin-bottom: 0; }

/* 页脚 */
.site-footer { background: #0d0a12; color: #b6aec3; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 34px 0; flex-wrap: wrap; }
.foot-brand { color: #fff; font-size: 15px; margin-bottom: 4px; }
.footer-inner .muted { font-size: 12.5px; color: #7c748b; }
.footer-links { display: flex; gap: 22px; font-size: 13.5px; }
.footer-links a:hover { color: var(--gold); }

/* 滚动显现 */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .stage { max-width: 520px; margin-inline: auto; width: 100%; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .audience { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(5) { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .wrap { width: calc(100% - 32px); }
  .hero { padding: 138px 0 76px; }
  .main-nav {
    position: fixed; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(16,13,22,.98); padding: 18px 20px 22px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    transform: translateY(-16px); opacity: 0; pointer-events: none;
    transition: .25s ease;
  }
  .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 12px 6px; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .main-nav .nav-cta { text-align: center; margin-top: 10px; border-bottom: 0; }
  .nav-toggle { display: block; }
  .section { padding: 68px 0; }
  .cards, .steps, .audience { grid-template-columns: 1fr; }
  .steps li:nth-child(5) { grid-column: auto; }
  .sec-head { margin-bottom: 36px; }
  .stage-body { height: 240px; }
  .footer-inner { justify-content: center; text-align: center; }
}

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