/* ===== 星壤互动（北京）网络科技有限公司 官方门户 - 共享样式 ===== */
:root {
  --primary: #0a2a66;       /* 深空蓝 */
  --primary-d: #071e4a;
  --primary-l: #15489c;
  --accent: #d4af37;        /* 星壤金 */
  --accent-d: #b8941f;
  --ink: #1b2433;
  --ink-2: #4a5568;
  --ink-3: #8a94a6;
  --line: #e3e8f0;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --bg-deep: #061633;
  --ok: #1f9d6b;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10,42,102,.10);
  --shadow-s: 0 4px 14px rgba(10,42,102,.08);
  --maxw: 1180px;
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",system-ui,sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--ink-2); }
.center { text-align: center; }

/* ---------- 顶部条 ---------- */
.topbar {
  background: var(--bg-deep);
  color: #cdd8ee;
  font-size: 13px;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a { color: #cdd8ee; }
.topbar a:hover { color: #fff; }
.topbar .dot { color: var(--accent); }

/* ---------- 导航 ---------- */
.nav { background: var(--primary); position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 12px rgba(0,0,0,.18); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand .logo {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #f1d68a);
  display: grid; place-items: center; color: var(--primary-d); font-weight: 800; font-size: 19px;
  box-shadow: 0 4px 12px rgba(212,175,55,.4);
}
.brand .name { font-size: 17px; font-weight: 700; letter-spacing: .5px; }
.brand .sub { font-size: 11px; color: #9fb4dd; letter-spacing: 1px; }
.nav ul { list-style: none; display: flex; gap: 6px; }
.nav ul a {
  color: #d7e0f3; padding: 9px 15px; border-radius: 9px; font-size: 15px; display: block; transition: .2s;
}
.nav ul a:hover, .nav ul a.active { background: rgba(255,255,255,.12); color: #fff; }
.nav .toggle { display: none; background: none; border: 0; color: #fff; font-size: 26px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(212,175,55,.20), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, rgba(21,72,156,.55), transparent 60%),
    linear-gradient(135deg, var(--primary-d), #0c2f73 60%, #103a8f);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.5), transparent),
                    radial-gradient(1.5px 1.5px at 70% 60%, rgba(255,255,255,.4), transparent),
                    radial-gradient(1.5px 1.5px at 40% 80%, rgba(255,255,255,.35), transparent),
                    radial-gradient(2px 2px at 88% 22%, rgba(255,255,255,.45), transparent);
  opacity: .6; pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; padding: 86px 24px 96px; }
.hero .tag {
  display: inline-block; font-size: 13px; letter-spacing: 2px; color: var(--accent);
  border: 1px solid rgba(212,175,55,.5); padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: 46px; line-height: 1.2; font-weight: 800; letter-spacing: 1px; }
.hero h1 .g { color: var(--accent); }
.hero p.lead { font-size: 19px; color: #d4ddf0; margin-top: 18px; max-width: 720px; }
.hero .cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 10px;
  font-size: 15px; font-weight: 600; transition: .2s; cursor: pointer; border: 1px solid transparent;
}
.btn-gold { background: var(--accent); color: var(--primary-d); }
.btn-gold:hover { background: #e6c25a; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.hero .stats { margin-top: 56px; display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.hero .stat { border-left: 2px solid rgba(212,175,55,.6); padding-left: 16px; }
.hero .stat b { display: block; font-size: 28px; color: #fff; }
.hero .stat span { font-size: 13px; color: #aebcd8; }

/* ---------- 区块 ---------- */
section { padding: 76px 0; }
section.soft { background: var(--bg-soft); }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 46px; }
.sec-head .k { color: var(--accent-d); font-weight: 700; letter-spacing: 3px; font-size: 13px; }
.sec-head h2 { font-size: 32px; margin: 10px 0 12px; color: var(--primary); }
.sec-head p { color: var(--ink-2); font-size: 16px; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid.c3 { grid-template-columns: repeat(3,1fr); }
.grid.c2 { grid-template-columns: repeat(2,1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-s); transition: .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #cfe; }
.card .ic {
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; font-size: 24px;
  background: linear-gradient(135deg, #eef3fb, #e3ecfa); color: var(--primary-l); margin-bottom: 16px;
}
.card h3 { font-size: 19px; color: var(--primary); margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 14.5px; }
.card .more { display: inline-block; margin-top: 14px; color: var(--accent-d); font-weight: 600; font-size: 14px; }

/* ---------- 业务范围 ---------- */
.biz { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.biz .item {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 26px 24px; overflow: hidden; transition: .25s;
}
.biz .item::before {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent)); transform: scaleX(0); transform-origin: left; transition: .3s;
}
.biz .item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.biz .item:hover::before { transform: scaleX(1); }
.biz .num { font-size: 13px; color: var(--accent-d); font-weight: 700; letter-spacing: 1px; }
.biz h3 { font-size: 20px; color: var(--primary); margin: 8px 0 10px; }
.biz p { color: var(--ink-2); font-size: 14.5px; }
.biz .tagrow { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.biz .tagrow span { font-size: 12px; background: var(--bg-soft); color: var(--ink-2); padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); }

/* ---------- 资质展示 ---------- */
.license {
  background: linear-gradient(135deg, var(--primary), #103a8f);
  border-radius: 18px; color: #fff; padding: 40px; box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center;
}
.license .seal {
  width: 132px; height: 132px; border-radius: 50%; border: 3px solid var(--accent);
  display: grid; place-items: center; text-align: center; color: var(--accent); font-weight: 800; margin-bottom: 20px;
  box-shadow: 0 0 0 8px rgba(212,175,55,.12);
}
.license h3 { font-size: 24px; margin-bottom: 8px; }
.license .meta { list-style: none; }
.license .meta li { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px dashed rgba(255,255,255,.2); font-size: 14.5px; }
.license .meta li b { color: var(--accent); font-weight: 600; }
.license .meta li span { color: #d4ddf0; text-align: right; }
.note {
  margin-top: 18px; background: #fff8e6; border: 1px solid #f0dca0; color: #7a5b12;
  padding: 12px 16px; border-radius: 10px; font-size: 13.5px;
}

/* ---------- 流程 ---------- */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.steps .step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 18px; text-align: center; }
.steps .step::before {
  counter-increment: s; content: counter(s); width: 38px; height: 38px; border-radius: 50%;
  background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 800; margin: 0 auto 12px;
}
.steps .step h4 { color: var(--primary); font-size: 16px; margin-bottom: 6px; }
.steps .step p { font-size: 13px; color: var(--ink-2); }

/* ---------- 列表 / 制度 ---------- */
.feat { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.feat .row { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.feat .row .ic { flex: 0 0 44px; height: 44px; border-radius: 11px; background: var(--bg-soft); color: var(--primary-l); display: grid; place-items: center; font-size: 20px; }
.feat .row h4 { font-size: 16px; color: var(--primary); margin-bottom: 4px; }
.feat .row p { font-size: 14px; color: var(--ink-2); }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-s); }
.tbl th, .tbl td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14.5px; }
.tbl th { background: var(--primary); color: #fff; font-weight: 600; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td b { color: var(--primary); }

/* ---------- 新闻 ---------- */
.news .item { display: flex; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.news .date { flex: 0 0 84px; text-align: center; }
.news .date b { display: block; font-size: 26px; color: var(--primary); }
.news .date span { font-size: 12px; color: var(--ink-3); }
.news .item h4 { font-size: 17px; color: var(--ink); margin-bottom: 4px; }
.news .item p { font-size: 14px; color: var(--ink-2); }

/* ---------- 联系 ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact .info .row { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact .info .ic { flex: 0 0 42px; height: 42px; border-radius: 10px; background: var(--bg-soft); color: var(--primary-l); display: grid; place-items: center; font-size: 18px; }
.contact .info b { color: var(--primary); display: block; font-size: 14px; }
.contact .info span { color: var(--ink-2); font-size: 14.5px; }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-s); }
.form label { display: block; font-size: 14px; color: var(--ink-2); margin: 14px 0 6px; }
.form input, .form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 9px; font-family: var(--font); font-size: 14.5px; color: var(--ink);
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--primary-l); box-shadow: 0 0 0 3px rgba(21,72,156,.12); }
.form button { margin-top: 18px; width: 100%; justify-content: center; }

/* ---------- 页脚 ---------- */
footer { background: var(--bg-deep); color: #aebcd8; padding: 52px 0 26px; }
footer .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
footer .cols h5 { color: #fff; font-size: 15px; margin-bottom: 14px; }
footer .cols a, footer .cols p { color: #aebcd8; font-size: 13.5px; display: block; padding: 4px 0; }
footer .cols a:hover { color: var(--accent); }
footer .brand-f { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
footer .brand-f .logo { width: 34px; height: 34px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), #f1d68a); display: grid; place-items: center; color: var(--primary-d); font-weight: 800; }
footer .bottom { margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: 13px; color: #7e8db0; text-align: center; }
footer .bottom a { color: #9fb4dd; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero h1 { font-size: 36px; }
  .hero .stats { grid-template-columns: repeat(2,1fr); }
  .grid.c3, .biz, .steps { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .license, .contact, .feat, .grid.c2 { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav ul {
    position: absolute; top: 70px; left: 0; right: 0; background: var(--primary-d);
    flex-direction: column; gap: 0; padding: 8px 0; display: none;
  }
  .nav ul.open { display: flex; }
  .nav .toggle { display: block; }
  .hero h1 { font-size: 30px; }
  .grid.c3, .biz, .steps, .footer .cols { grid-template-columns: 1fr; }
  section { padding: 54px 0; }
}

/* ===== 登录弹窗 ===== */
.modal-mask { position: fixed; inset: 0; background: rgba(6,22,51,.55); display: none; align-items: center; justify-content: center; z-index: 200; }
.modal-mask.open { display: flex; }
.modal-box { background: #fff; border-radius: 16px; padding: 30px 30px 26px; width: 360px; max-width: 92vw; box-shadow: var(--shadow); }
.modal-box h3 { color: var(--primary); margin-bottom: 4px; font-size: 20px; }
.modal-box .sub { color: var(--ink-2); font-size: 13px; margin-bottom: 16px; }
.modal-box label { display: block; font-size: 13px; color: var(--ink-2); margin: 12px 0 6px; }
.modal-box input { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; font-family: var(--font); font-size: 14.5px; }
.modal-box input:focus { outline: none; border-color: var(--primary-l); box-shadow: 0 0 0 3px rgba(21,72,156,.12); }
.modal-box .err { color: #c0392b; font-size: 13px; margin-top: 10px; min-height: 18px; }
.modal-box .btn { width: 100%; justify-content: center; margin-top: 16px; }

.login-pill { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.28); padding: 5px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; transition: .2s; }
.login-pill:hover { background: rgba(255,255,255,.24); }

/* ===== 营业执照经营范围展示 ===== */
.scope-list { column-count: 2; column-gap: 40px; }
.scope-list p { break-inside: avoid; margin: 0; padding: 2px 0; font-size: 14.5px; }
/* 网络文化相关：大字突出 */
.scope-big { column-count: 2; column-gap: 40px; }
.scope-big p { break-inside: avoid; margin: 0; padding: 8px 0; font-size: 17px; line-height: 1.5; font-weight: 600; color: var(--ink); }
.scope-big p::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 10px; border-radius: 2px; background: var(--accent); vertical-align: middle; }
/* 与网络文化无关：小字罗列 */
.scope-small { column-count: 2; column-gap: 30px; margin-top: 4px; }
.scope-small p { break-inside: avoid; margin: 0; padding: 2px 0; font-size: 12px; color: var(--ink-3); }
@media (max-width: 980px) { .scope-list, .scope-big, .scope-small { column-count: 1; } }

/* ===== 作品上传与展示 ===== */
.biz .item.uploadable { display: flex; flex-direction: column; }
.works { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 16px; }
.works-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.works-head .t { font-size: 14px; color: var(--primary); font-weight: 700; }
.works-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.work-card { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; position: relative; }
.work-card img { width: 100%; height: 96px; object-fit: cover; display: block; }
.work-ph { height: 96px; display: grid; place-items: center; font-size: 30px; background: var(--bg-soft); }
.work-card .fmeta { padding: 7px 9px; font-size: 12px; color: var(--ink-2); }
.work-card .fname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.work-card .del { position: absolute; top: 5px; right: 5px; background: rgba(192,57,43,.92); color: #fff; border: 0; width: 22px; height: 22px; border-radius: 6px; cursor: pointer; font-size: 14px; line-height: 1; }
.work-empty { grid-column: 1 / -1; border: 1px dashed var(--line); border-radius: 10px; padding: 22px; text-align: center; color: var(--ink-3); background: var(--bg-soft); font-size: 14px; }
.upload-bar { margin-top: 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.upload-bar input[type=file] { font-size: 13px; max-width: 260px; }
.btn-sm { padding: 9px 18px; font-size: 14px; }
@media (max-width: 680px) { .works-grid { grid-template-columns: repeat(2, 1fr); } }