/* 盛名咨询 · 增值电信资质服务  |  全局样式 */

:root {
  --navy-900: #0A1B38;
  --navy-800: #0F2A5C;
  --navy-700: #143C6E;
  --navy-600: #1D4E8A;
  --navy-100: #E8EEF7;
  --amber-500: #E8A842;
  --amber-600: #D0912B;
  --amber-100: #FDF3E1;
  --ink-900: #141C2B;
  --ink-700: #2C3A4F;
  --ink-500: #5C6B82;
  --ink-300: #9AA7B8;
  --line: #E2E8F0;
  --bg: #F6F8FC;
  --white: #FFFFFF;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 42, 92, .06), 0 2px 8px rgba(15, 42, 92, .04);
  --shadow-md: 0 4px 16px rgba(15, 42, 92, .08), 0 12px 32px rgba(15, 42, 92, .06);
  --maxw: 1140px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink-900);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
}

a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--navy-600); }

img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* 占位符（发布前替换） */
.ph {
  color: #C2410C; font-weight: 600;
  background: #FFF1E7; border-radius: 4px; padding: 0 5px;
  border: 1px dashed #F0A878; font-size: .93em;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(140deg, var(--navy-800), var(--navy-600));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 17px; box-shadow: var(--shadow-sm);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 17px; font-weight: 700; color: var(--navy-900); letter-spacing: .5px; }
.brand-sub { font-size: 11px; color: var(--ink-300); letter-spacing: 1.2px; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { padding: 8px 14px; border-radius: 8px; font-size: 14.5px; color: var(--ink-700); transition: all .18s; }
.nav-links a:hover { background: var(--navy-100); color: var(--navy-700); }
.nav-links a.active { color: var(--navy-700); font-weight: 600; }
.nav-cta {
  margin-left: 10px; padding: 9px 18px !important;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600)) !important;
  color: #fff !important; font-weight: 600; box-shadow: var(--shadow-sm);
}
.nav-cta:hover { filter: brightness(1.08); }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; cursor: pointer; color: var(--navy-800); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1100px 480px at 82% -8%, rgba(232, 168, 66, .16), transparent 62%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 52%, var(--navy-700) 100%);
  color: #fff; padding: 76px 0 84px; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.5), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.5), transparent 78%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(232, 168, 66, .16); border: 1px solid rgba(232, 168, 66, .34);
  color: #F5D79A; font-size: 13px; letter-spacing: .4px; margin-bottom: 22px;
}
.hero h1 { font-size: 42px; line-height: 1.28; font-weight: 700; letter-spacing: -.5px; margin-bottom: 18px; max-width: 800px; }
.hero h1 em { font-style: normal; color: var(--amber-500); }
.hero p.lead { font-size: 17px; color: rgba(255,255,255,.82); max-width: 680px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 10px; font-size: 15.5px; font-weight: 600;
  transition: all .2s; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--amber-500), var(--amber-600)); color: #3A2604; box-shadow: 0 6px 20px rgba(232,168,66,.32); }
.btn-primary:hover { filter: brightness(1.06); color: #3A2604; transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.26); }
.btn-ghost:hover { background: rgba(255,255,255,.15); color: #fff; }
.btn-outline { background: #fff; color: var(--navy-700); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-outline:hover { border-color: var(--navy-600); }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.13); border-radius: var(--radius-lg); overflow: hidden; max-width: 880px; }
.hero-stats div { background: rgba(10, 27, 56, .5); padding: 20px 22px; }
.hero-stats b { display: block; font-size: 25px; color: var(--amber-500); font-weight: 700; letter-spacing: -.5px; }
.hero-stats span { font-size: 13px; color: rgba(255,255,255,.68); }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section.alt { background: var(--bg); }
.section-head { margin-bottom: 44px; max-width: 720px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px; color: var(--amber-600); text-transform: uppercase; margin-bottom: 12px; }
.section h2 { font-size: 31px; line-height: 1.35; font-weight: 700; color: var(--navy-900); letter-spacing: -.3px; }
.section-head p { margin-top: 14px; color: var(--ink-500); font-size: 16px; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 26px; transition: all .22s; }
.card:hover { border-color: rgba(29,78,138,.28); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card .ico { width: 44px; height: 44px; border-radius: 11px; margin-bottom: 16px; background: linear-gradient(140deg, var(--navy-100), #fff); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-size: 19px; color: var(--navy-700); font-weight: 700; }
.card h3 { font-size: 18.5px; font-weight: 700; color: var(--navy-900); margin-bottom: 8px; }
.card h3 a { color: inherit; }
.card p { font-size: 14.5px; color: var(--ink-500); margin-bottom: 14px; }
.card ul { list-style: none; font-size: 14px; color: var(--ink-700); }
.card ul li { padding-left: 20px; position: relative; margin-bottom: 6px; }
.card ul li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--amber-500); }
.card .more { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; font-weight: 600; color: var(--navy-700); margin-top: 10px; }
.card .more::after { content: "→"; transition: transform .2s; }
.card:hover .more::after { transform: translateX(4px); }

/* ---------- 优势 ---------- */
.adv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px 40px; }
.adv-item { display: flex; gap: 16px; }
.adv-num { flex: 0 0 40px; height: 40px; border-radius: 10px; background: var(--amber-100); color: var(--amber-600); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.adv-item h4 { font-size: 16.5px; color: var(--navy-900); margin-bottom: 5px; font-weight: 700; }
.adv-item p { font-size: 14.5px; color: var(--ink-500); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 22px; }
.step::before { counter-increment: s; content: "0" counter(s); font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--amber-600); }
.step h4 { font-size: 16.5px; color: var(--navy-900); margin: 10px 0 8px; font-weight: 700; }
.step p { font-size: 14px; color: var(--ink-500); }

/* ---------- 内容页 ---------- */
.page-hero { background: linear-gradient(150deg, var(--navy-900), var(--navy-700)); color: #fff; padding: 58px 0 54px; }
.page-hero .crumb { font-size: 13.5px; color: rgba(255,255,255,.6); margin-bottom: 14px; }
.page-hero .crumb a { color: rgba(255,255,255,.78); }
.page-hero h1 { font-size: 34px; font-weight: 700; margin-bottom: 12px; letter-spacing: -.3px; }
.page-hero p { font-size: 16.5px; color: rgba(255,255,255,.8); max-width: 740px; }

.content { padding: 56px 0 72px; }
.content h2 { font-size: 23px; color: var(--navy-900); margin: 42px 0 16px; font-weight: 700; padding-left: 14px; border-left: 4px solid var(--amber-500); }
.content h2:first-child { margin-top: 0; }
.content h3 { font-size: 17.5px; color: var(--navy-800); margin: 26px 0 10px; font-weight: 700; }
.content p { color: var(--ink-700); margin-bottom: 14px; font-size: 15.5px; }
.content ul, .content ol { margin: 0 0 16px 0; padding-left: 22px; color: var(--ink-700); font-size: 15.5px; }
.content li { margin-bottom: 9px; }
.content strong { color: var(--navy-900); }

.tip { background: var(--amber-100); border: 1px solid rgba(232,168,66,.35); border-left: 4px solid var(--amber-500); border-radius: var(--radius); padding: 18px 22px; margin: 22px 0; font-size: 15px; color: var(--ink-700); }
.tip b { color: var(--navy-900); }
.note { background: var(--navy-100); border-radius: var(--radius); padding: 18px 22px; margin: 22px 0; font-size: 15px; color: var(--ink-700); }
.note b { color: var(--navy-800); }

table.tb { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
table.tb th, table.tb td { border: 1px solid var(--line); padding: 12px 15px; text-align: left; }
table.tb th { background: var(--bg); color: var(--navy-900); font-weight: 600; }
table.tb td { color: var(--ink-700); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { font-size: 16.5px; font-weight: 600; color: var(--navy-900); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--amber-600); font-weight: 400; flex: 0 0 auto; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: 12px; color: var(--ink-500); font-size: 15px; }
.faq details ul { margin-top: 10px; }

/* ---------- CTA ---------- */
.cta-band {
  background:
    radial-gradient(800px 300px at 88% 10%, rgba(232,168,66,.2), transparent 62%),
    linear-gradient(140deg, var(--navy-900), var(--navy-700));
  color: #fff; border-radius: var(--radius-lg); padding: 48px 44px; margin-top: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.cta-band h3 { font-size: 25px; font-weight: 700; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,.78); font-size: 15.5px; max-width: 580px; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: start; }
.info-list { list-style: none; }
.info-list li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.info-list .k { flex: 0 0 96px; color: var(--ink-300); font-size: 14.5px; }
.info-list .v { color: var(--ink-900); font-size: 15px; font-weight: 500; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.66); padding: 52px 0 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 34px; margin-bottom: 34px; }
.site-footer h5 { color: #fff; font-size: 15px; margin-bottom: 14px; font-weight: 600; }
.site-footer a { color: rgba(255,255,255,.66); display: block; padding: 5px 0; font-size: 14px; }
.site-footer a:hover { color: var(--amber-500); }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-mark { background: rgba(255,255,255,.12); }
.site-footer p.about { font-size: 13.5px; line-height: 1.9; color: rgba(255,255,255,.55); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; font-size: 13px; color: rgba(255,255,255,.45); line-height: 1.9; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .grid-3, .steps, .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 33px; }
}
@media (max-width: 720px) {
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 12px; border-bottom: 1px solid var(--line); gap: 2px; box-shadow: var(--shadow-md); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .grid-3, .grid-2, .steps, .hero-stats, .adv { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .hero { padding: 54px 0 60px; }
  .hero h1 { font-size: 28px; }
  .section h2 { font-size: 24px; }
  .page-hero h1 { font-size: 26px; }
  .cta-band { padding: 34px 26px; }
  .cta-band h3 { font-size: 21px; }
  .wrap { padding: 0 18px; }
}