:root {
  --bg: #0d1b1a;
  --bg-soft: #112422;
  --bg-card: #162d2a;
  --bg-card-2: #1c3834;
  --line: rgba(255,255,255,.07);
  --line-2: rgba(255,255,255,.12);
  --text: #f0faf7;
  --text-2: #9fc0b8;
  --text-3: #689088;
  --accent: #d4a853;
  --accent-light: #e8c884;
  --accent-deep: #b08838;
  --teal: #34d399;
  --radius: 20px;
  --radius-sm: 14px;
  --wrap: 1200px;
  --shadow: 0 20px 50px rgba(0,0,0,.45);
  --ease: cubic-bezier(.22,.61,.36,1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: "PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
svg { width: 18px; height: 18px; fill: currentColor; flex: none; }
::selection { background: rgba(212,168,83,.3); }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 999px; font-weight: 600; font-size: 15px;
  padding: 12px 26px; border: 1px solid transparent;
  transition: all .22s var(--ease); white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: #1a1a2e; box-shadow: 0 10px 28px rgba(212,168,83,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(212,168,83,.45); }
.btn-outline { background: rgba(255,255,255,.05); border-color: var(--line-2); color: var(--text); }
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-lg { padding: 15px 32px; font-size: 16px; }

.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(13,27,26,.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 30px; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
  display: grid; place-items: center; font-size: 18px; font-weight: 800; color: #1a1a2e;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.35; }
.brand-text strong { font-size: 15.5px; }
.brand-text small { font-size: 11.5px; color: var(--text-3); }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { font-size: 14.5px; color: var(--text-3); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-phone { display: flex; align-items: center; gap: 7px; font-size: 14.5px; color: var(--text-2); }

.hero { position: relative; overflow: hidden; padding: 80px 0 60px; }
.hero-glow {
  position: absolute; width: 600px; height: 600px; top: -200px; right: -100px;
  background: radial-gradient(circle, rgba(212,168,83,.1), transparent 70%);
  border-radius: 50%; filter: blur(80px);
}
.hero-grid { position: relative; display: grid; gap: 60px; grid-template-columns: 1.1fr .9fr; align-items: center; }
.hero-tag {
  display: inline-block; font-size: 13px; color: var(--accent);
  border: 1px solid rgba(212,168,83,.3); background: rgba(212,168,83,.06);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 28px;
}
.hero h1 { font-size: clamp(42px,5.5vw,64px); line-height: 1.2; font-weight: 800; }
.hero h1 .line { display: block; }
.hero h1 .hl {
  background: linear-gradient(100deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { margin-top: 26px; font-size: 16.5px; color: var(--text-2); max-width: 32em; line-height: 1.85; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 26px; }
.hero-points span { font-size: 14px; color: var(--text-2); }

.honor-card {
  background: linear-gradient(165deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--line-2); border-radius: 24px;
  padding: 40px 32px; text-align: center;
  box-shadow: var(--shadow); max-width: 380px; margin: 0 auto;
}
.honor-badge { font-size: 48px; margin-bottom: 16px; }
.honor-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.honor-card p { font-size: 14.5px; color: var(--text-2); line-height: 1.8; }
.honor-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 20px; }
.honor-tags span {
  font-size: 13px; color: var(--accent);
  border: 1px solid rgba(212,168,83,.3); border-radius: 999px;
  padding: 5px 14px; background: rgba(212,168,83,.06);
}

.qr-avatar-text {
  width: 48px; height: 48px; border-radius: 12px; flex: none;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-deep));
  display: grid; place-items: center; font-weight: 800; color: #1a1a2e; font-size: 20px;
}

.stats { padding: 56px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.015), transparent); }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); text-align: center; }
.stat { padding: 8px 16px; position: relative; }
.stat + .stat::before {
  content: ""; position: absolute; left: 0; top: 15%; bottom: 15%; width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-2), transparent);
}
.stat b {
  display: block; font-size: clamp(32px,4vw,48px); font-weight: 800;
  background: linear-gradient(180deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat b i { font-style: normal; font-size: .45em; }
.stat span { display: block; margin-top: 8px; font-size: 13px; color: var(--text-3); }

.section { padding: 90px 0; border-bottom: 1px solid var(--line); }
.section-alt { background: var(--bg-soft); }
.section-label { display: inline-block; font-size: 12.5px; color: var(--accent); letter-spacing: .12em; font-weight: 700; margin-bottom: 14px; }
.section-title { font-size: clamp(28px,3.5vw,40px); font-weight: 800; line-height: 1.3; }

.about-text { margin-top: 24px; display: flex; flex-direction: column; gap: 14px; max-width: 42em; }
.about-text p { font-size: 15.5px; color: var(--text-2); line-height: 1.85; }
.about-highlight {
  margin-top: 26px; padding: 18px 22px; border-left: 3px solid var(--accent);
  background: linear-gradient(90deg, rgba(212,168,83,.08), transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 16px; font-style: italic;
}
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 32px; }
.feature { display: flex; gap: 13px; align-items: flex-start; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px 18px; }
.f-icon { font-size: 22px; }
.feature strong { display: block; font-size: 14.5px; }
.feature small { display: block; margin-top: 4px; font-size: 12.5px; color: var(--text-3); }

.method-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-top: 40px; }
.method-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.m-num { font-size: 13px; color: var(--accent); font-weight: 800; letter-spacing: .1em; }
.method-card h3 { margin-top: 12px; font-size: 17px; font-weight: 700; }
.method-card p { margin-top: 8px; font-size: 13.5px; color: var(--text-3); line-height: 1.7; }

.section-cta { background: var(--bg-soft); }
.trial-box { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.trial-desc { margin: 16px 0 28px; font-size: 15.5px; color: var(--text-2); max-width: 30em; line-height: 1.85; }
.trial-right { display: flex; flex-direction: column; gap: 12px; }
.trial-step { display: flex; gap: 16px; align-items: center; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px 20px; }
.trial-step .num { width: 30px; height: 30px; border-radius: 50%; flex: none; background: var(--accent); color: #1a1a2e; font-weight: 700; display: grid; place-items: center; font-size: 14px; }
.trial-step p { font-size: 14.5px; color: var(--text-2); }

.faq-list { margin-top: 36px; max-width: 800px; display: flex; flex-direction: column; gap: 12px; }
.faq-list details { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px 24px; }
.faq-list summary { cursor: pointer; font-size: 15.5px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--text-3); font-size: 20px; }
.faq-list details[open] summary::after { content: "–"; color: var(--accent); }
.faq-list p { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 14.5px; color: var(--text-2); line-height: 1.8; }

.section-contact { background: var(--bg-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 24px; margin-top: 40px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 12px; }
.contact-item { display: flex; gap: 16px; align-items: center; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; }
.c-icon { font-size: 22px; }
.contact-item small { display: block; font-size: 12.5px; color: var(--text-3); }
.contact-item strong { display: block; font-size: 18px; margin-top: 3px; }

.qr-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; text-align: center; }
.qr-head { display: flex; align-items: center; gap: 12px; text-align: left; margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.qr-avatar { width: 44px; height: 44px; border-radius: 12px; flex: none; object-fit: cover; }
.qr-head strong { display: block; font-size: 15px; }
.qr-head small { display: block; font-size: 12px; color: var(--text-3); margin-top: 2px; }
.qr-img-wrap { background: #fff; border-radius: 14px; max-width: 220px; margin: 0 auto; overflow: hidden; }
.qr-img-wrap img { width: 100%; height: auto; display: block; }
.qr-tip { margin-top: 18px; font-size: 15px; font-weight: 600; }

.footer { padding: 36px 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--text-3); }

.float-actions { position: fixed; right: 24px; bottom: 24px; z-index: 80; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.float-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  color: #1a1a2e; font-weight: 700; font-size: 15px;
  padding: 14px 24px; border-radius: 999px;
  box-shadow: 0 14px 34px rgba(212,168,83,.4);
}
.back-top { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.08); border: 1px solid var(--line-2); color: var(--text-2); font-size: 18px; }

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .trial-box { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-phone { display: none; }
  .hero { padding: 40px 0 28px; }
  .hero h1 { font-size: clamp(30px,8vw,42px); }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 28px 10px; }
  .stat + .stat::before { display: none; }
  .section { padding: 56px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .float-actions { right: 14px; bottom: 14px; }
  .back-top { display: none; }
}
/* 图片显示优化 */
.avatar-card img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
}
/* removed */
.qr-avatar-removed {
  height: 48px !important;
  border-radius: 12px;
  object-fit: cover;
  flex: none;
}
.qr-img-wrap {
  background: #fff;
  border-radius: 14px;
  max-width: 240px;
  margin: 0 auto;
  padding: 10px;
}
.qr-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}