/* ===== 天石官网 · 公司页样式 ===== */
:root{
  --navy:#16233d;
  --navy-deep:#0e1728;
  --navy-soft:#1e3050;
  --gold:#c8a45f;
  --gold-light:#e6cf9a;
  --gold-deep:#a9853f;
  --ink:#33383f;
  --ink-soft:#6b7280;
  --paper:#f7f5f0;
  --card:#ffffff;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1080px;margin:0 auto;padding:0 24px}

/* ===== 顶部品牌区 ===== */
.topbar{background:var(--navy-deep);border-bottom:1px solid rgba(200,164,95,.35)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.brand{display:flex;align-items:center;gap:14px}
.ts-logo{
  width:20px;height:38px;border-radius:6px;flex:none;
  background:linear-gradient(135deg,#a9853f 0%,#c8a45f 55%,#e6cf9a 100%);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--navy-deep);box-shadow:0 6px 18px rgba(200,164,95,.4);
  border:1px solid rgba(230,207,154,.6);
}
.ts-logo-word{
  writing-mode:vertical-rl;font-weight:700;font-size:.62rem;
  letter-spacing:.12em;line-height:1;
}
.brand-name{
  font-family:var(--serif);font-weight:700;font-size:1.28rem;
  letter-spacing:.06em;color:#f4efe4;line-height:1.3;
}
.name-short{display:none}
.brand-sub{font-size:.72rem;letter-spacing:.22em;color:var(--gold-light);text-transform:uppercase}
.topbar-link{font-size:.85rem;color:var(--gold-light);letter-spacing:.08em;transition:color .25s}
.topbar-link:hover{color:#fff}

/* ===== Hero ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(1100px 480px at 78% -10%,rgba(200,164,95,.16),transparent 60%),
    radial-gradient(800px 420px at 8% 108%,rgba(200,164,95,.10),transparent 55%),
    linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.022) 0 2px,transparent 2px 9px);
}
.hero-inner{position:relative;z-index:1;text-align:center;padding:88px 24px 96px}
.hero-kicker{
  display:inline-block;font-size:.8rem;letter-spacing:.42em;color:var(--gold-light);
  border:1px solid rgba(200,164,95,.55);border-radius:999px;padding:7px 22px 7px 26px;margin-bottom:30px;
  background:rgba(200,164,95,.08);
}
.hero h1{
  font-family:var(--serif);font-weight:700;font-size:clamp(1.7rem,4.4vw,2.9rem);
  letter-spacing:.1em;line-height:1.4;
}
.hero h1 span{color:var(--gold-light)}
.hero-divider{
  width:96px;height:2px;margin:26px auto;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);position:relative;
}
.hero-divider::before,.hero-divider::after{
  content:"";position:absolute;top:-3px;width:8px;height:8px;transform:rotate(45deg);
  background:var(--gold);
}
.hero-divider::before{left:-4px}
.hero-divider::after{right:-4px}
.hero-lead{max-width:640px;margin:0 auto;color:rgba(244,239,228,.82);font-size:1.02rem}
.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:38px}
.hero-tag{
  font-size:.86rem;letter-spacing:.12em;color:#f0e9da;
  border:1px solid rgba(200,164,95,.4);border-radius:999px;padding:8px 20px;
  background:rgba(255,255,255,.04);transition:border-color .25s,transform .25s;
}
.hero-tag:hover{border-color:var(--gold);transform:translateY(-2px)}

/* ===== 通用板块 ===== */
section{padding:76px 0}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{
  font-family:var(--serif);font-weight:700;font-size:1.7rem;letter-spacing:.14em;color:var(--navy);
  display:inline-block;position:relative;padding-bottom:14px;
}
.section-head h2::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:64px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.alt{background:#fff}

/* ===== 关于我们 ===== */
.about-card{
  background:var(--card);border-radius:18px;padding:46px 50px;max-width:860px;margin:0 auto;
  box-shadow:0 12px 40px rgba(22,35,61,.08);border-top:4px solid var(--gold);
}
.about-card p{font-size:1.04rem;color:var(--ink);text-align:justify}
.about-card p + p{margin-top:14px}
.about-ends{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.about-ends span{
  font-size:.85rem;color:var(--navy);background:rgba(200,164,95,.12);
  border:1px dashed rgba(169,133,63,.45);border-radius:8px;padding:7px 16px;letter-spacing:.06em;
}

/* ===== 卡片(网站/平台) ===== */
.sites-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;
  max-width:1080px;margin:0 auto;align-items:stretch;
}
.site-card{
  background:var(--card);border-radius:18px;overflow:hidden;
  box-shadow:0 14px 44px rgba(22,35,61,.10);
  border-top:4px solid var(--gold);
  display:flex;flex-direction:column;
}
.site-h2{
  font-family:var(--serif);font-weight:700;font-size:1.3rem;letter-spacing:.14em;
  color:var(--navy);text-align:center;padding:32px 30px 0;
}
.site-h2::after{
  content:"";display:block;width:44px;height:2px;margin:12px auto 0;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.site-info{padding:20px 34px 38px;display:flex;flex-direction:column;justify-content:center;flex:1}
.site-info h1{text-align:center;margin:6px 0 4px}
.site-name{
  font-family:var(--serif);font-weight:700;font-size:2.05rem;letter-spacing:.1em;color:var(--navy);
  transition:color .25s;
}
a.site-name:hover{color:var(--gold-deep)}
.site-url{
  text-align:center;font-size:.82rem;letter-spacing:.1em;color:var(--gold-deep);
  margin-bottom:20px;word-break:break-all;
}
.site-desc{font-size:.95rem;color:var(--ink);text-align:justify}
.badge-soft{
  display:inline-block;align-self:flex-start;margin-top:22px;
  font-size:.78rem;color:var(--navy);background:rgba(200,164,95,.14);
  border-radius:999px;padding:6px 16px;letter-spacing:.08em;
}

/* ===== 页脚 ===== */
footer{
  background:var(--navy-deep);color:rgba(244,239,228,.75);
  padding:44px 0 38px;border-top:2px solid var(--gold);text-align:center;
}
.foot-brand{font-family:var(--serif);font-size:1rem;letter-spacing:.12em;color:#f4efe4;margin-bottom:16px}
footer p{font-size:.84rem;line-height:2}
footer a{color:var(--gold-light);transition:color .25s}
footer a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:860px){
  .sites-grid{grid-template-columns:1fr;gap:28px}
  .site-info{padding:20px 26px 32px}
  .site-h2{padding:28px 24px 0}
  .about-card{padding:32px 26px}
  section{padding:58px 0}
  .hero-inner{padding:66px 20px 72px}
  .topbar-link{display:none}
  .brand-sub{display:none}
  .topbar-inner{padding:12px 24px}
  .name-full{display:none}
  .name-short{display:inline}
}
@media (max-width:520px){
  .brand{gap:10px}
  .ts-logo{width:22px;height:34px}
  .ts-logo-word{font-size:.56rem}
  .brand-name{font-size:1.15rem;letter-spacing:.06em}
  .site-name{font-size:1.7rem}
}