:root {
    --primary: #1b5e8a;
    --primary-light: #2e7db2;
    --primary-dark: #123f5f;
    --accent: #e8a13a;
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #1f2d3a;
    --muted: #5b6b7a;
    --line: #dce5ec;
    --radius: 4px;
    --shadow: 0 2px 10px rgba(20, 45, 70, .07);
    --font: 'Microsoft Sans Serif', 'Microsoft YaHei', 'PingFang SC', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.topbar { background: var(--primary-dark); color: #cfe1ef; font-size: .82rem; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 20px; flex-wrap: wrap; gap: 4px; }

.header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); }
.header__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; flex-wrap: wrap; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark { width: 36px; height: 36px; background: var(--primary); border-radius: var(--radius); position: relative; display: inline-block; }
.brand__mark::after { content: '声'; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 1.1rem; }
.brand__text strong { display: block; font-size: 1.2rem; color: var(--primary-dark); letter-spacing: .5px; }
.brand__text span { font-size: .75rem; color: var(--muted); }
.nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.nav a { font-size: .88rem; color: var(--text); padding: 4px 2px; border-bottom: 2px solid transparent; transition: .2s; }
.nav a:hover { color: var(--primary); border-color: var(--primary); }

.hero { background: linear-gradient(135deg, #edf3f8 0%, #dfe9f1 60%, #d2e2ed 100%); overflow: hidden; }
.hero-grid { max-width: 1200px; margin: 0 auto; padding: 56px 20px 64px; display: grid; grid-template-columns: 1.2fr .9fr; gap: 40px; align-items: center; }
.hero-copy .eyebrow { display: inline-block; background: var(--primary); color: #fff; padding: 5px 14px; font-size: .8rem; letter-spacing: 1px; margin-bottom: 16px; }
.hero-copy h1 { font-size: 2.7rem; line-height: 1.2; color: var(--primary-dark); margin-bottom: 18px; font-weight: 700; }
.hero-copy > p { font-size: 1rem; color: #33475a; max-width: 580px; margin-bottom: 22px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.chip-row span { background: rgba(27, 94, 138, .1); border: 1px solid rgba(27, 94, 138, .2); padding: 4px 12px; font-size: .78rem; color: var(--primary-dark); border-radius: 20px; }
.hero-panel { background: var(--surface); box-shadow: 0 12px 30px rgba(25, 50, 80, .1); padding: 24px 22px; border-top: 5px solid var(--accent); }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.metric-grid div { background: #f0f4f8; padding: 12px; text-align: center; }
.metric-grid strong { display: block; font-size: 1.3rem; color: var(--primary); }
.metric-grid span { font-size: .74rem; color: var(--muted); }
.hero-contact { border-top: 1px dashed var(--line); padding-top: 16px; }
.hero-contact strong { display: block; font-size: .88rem; margin-bottom: 6px; color: var(--primary-dark); }
.hero-contact a { display: inline-block; font-size: 1.5rem; font-weight: 700; color: var(--primary); margin: 4px 0 8px; letter-spacing: .5px; }
.hero-contact p { font-size: .79rem; color: var(--muted); margin-bottom: 6px; }

.section { padding: 70px 0; }
.section-head { text-align: center; margin-bottom: 42px; }
.section-head h2 { font-size: 2rem; color: var(--primary-dark); font-weight: 700; letter-spacing: .5px; }
.section-head span { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: 3px; }

.surface-card { background: var(--surface); padding: 32px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 36px; align-items: center; }
.about-copy p { margin-bottom: 12px; color: #2b3b4a; font-size: .91rem; }
.about-copy strong { color: var(--primary-dark); }
.about-figure img { width: 100%; max-height: 320px; object-fit: cover; }
.about-figure figcaption { background: #f0f4f8; padding: 10px; font-size: .8rem; text-align: center; color: var(--text); }

.strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.strength-card { background: var(--surface); border: 1px solid var(--line); padding: 26px 22px; box-shadow: var(--shadow); transition: .25s; }
.strength-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(20, 45, 70, .1); border-color: var(--primary-light); }
.strength-card .icon { font-size: 1.9rem; margin-bottom: 12px; }
.strength-card h3 { font-size: 1.06rem; color: var(--primary-dark); margin-bottom: 8px; }
.strength-card p { font-size: .83rem; color: var(--muted); }

.gallery-stack { display: flex; flex-direction: column; gap: 38px; }
.gallery-group h3 { font-size: 1.15rem; color: var(--primary-dark); margin-bottom: 18px; padding-left: 12px; border-left: 4px solid var(--accent); }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.g-card { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.g-card img { width: 100%; height: 180px; object-fit: cover; }
.g-card p { padding: 8px 10px; font-size: .76rem; color: var(--text); line-height: 1.4; background: #f9fbfd; }

.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.faq-item { background: var(--surface); border: 1px solid var(--line); padding: 20px 22px; box-shadow: var(--shadow); }
.faq-item h3 { font-size: .93rem; color: var(--primary-dark); margin-bottom: 8px; padding-left: 14px; position: relative; }
.faq-item h3::before { content: 'Q'; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }
.faq-item p { font-size: .84rem; color: var(--muted); padding-left: 14px; }

.cta-panel { background: var(--primary-dark); color: #e6eef5; padding: 44px 36px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; box-shadow: 0 8px 24px rgba(15, 40, 60, .25); }
.cta-copy .eyebrow { display: inline-block; color: var(--accent); letter-spacing: 2px; font-size: .78rem; margin-bottom: 10px; }
.cta-copy h2 { font-size: 1.7rem; color: #fff; margin-bottom: 12px; }
.cta-copy p { font-size: .9rem; color: #c8dae6; margin-bottom: 16px; }
.contact-list li { font-size: .9rem; padding: 4px 0; color: #d9e5ee; }
.cta-contact { background: var(--surface); padding: 24px; color: var(--text); }
.cta-contact strong { font-size: .95rem; color: var(--primary-dark); display: block; margin-bottom: 4px; }
.cta-contact > a { font-size: 1.6rem; font-weight: 700; color: var(--primary); display: inline-block; margin: 6px 0 10px; }
.cta-contact__meta { display: grid; gap: 10px; margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 14px; }
.cta-contact__meta div { display: flex; justify-content: space-between; font-size: .8rem; }
.cta-contact__meta span { color: var(--muted); }

.footer { background: #0f2335; color: #a9bfce; padding: 40px 0 30px; }
.footer__inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.footer-copy { margin-bottom: 30px; }
.footer-copy p { font-size: .84rem; margin-bottom: 8px; color: #b7cbda; }
.friend-links-row { border-top: 1px solid #1b3348; padding-top: 20px; }
.friend-links { display: flex; flex-wrap: wrap; gap: 12px; }
.friend-links a { font-size: .75rem; color: #7fa1b8; border: 1px solid #1b3348; padding: 2px 8px; border-radius: 3px; transition: .2s; }
.friend-links a:hover { color: #fff; border-color: #2e5875; }

.timestamp-line { text-align: center; padding: 14px 0 4px; font-size: .78rem; color: #6d8799; }

@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; }
    .about-grid, .cta-panel { grid-template-columns: 1fr; }
    .strength-grid { grid-template-columns: 1fr 1fr; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
    .hero-copy h1 { font-size: 1.8rem; }
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .strength-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .nav { display: none; }
    .section { padding: 50px 0; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .g-card img { height: 200px; }
}


.friend-links-row{display:block !important;width:100%;margin:18px 0 0;clear:both;}
.friend-links{display:block !important;width:100%;box-sizing:border-box;}
.friend-links__inner{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;width:100%;}
.friend-links__inner a{display:inline-block;font-size:12px;line-height:1.6;padding:0;color:inherit;text-decoration:none;opacity:.88;}
.friend-links__inner a:hover{text-decoration:underline;opacity:1;}
@media (max-width: 768px){
  .friend-links-row{margin-top:14px;}
  .friend-links__inner{gap:5px 10px;}
  .friend-links__inner a{font-size:11px;line-height:1.7;}
}