/* ============================================================
   新疆金浩阳电子科技股份有限公司 官网样式表
   ============================================================ */

:root {
  --blue-900: #061a40;
  --blue-800: #0a2e7a;
  --blue-700: #0e3fa0;
  --blue-600: #1557cc;
  --blue-500: #2a73e8;
  --blue-100: #e8f0ff;
  --blue-050: #f3f7ff;
  --accent: #ff8a00;
  --cyan: #00c2ff;
  --ink: #1b2436;
  --ink-2: #4a5568;
  --ink-3: #7c8798;
  --line: #e4e9f2;
  --bg: #ffffff;
  --bg-soft: #f5f8fd;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(10, 46, 122, .08);
  --shadow-lg: 0 20px 50px rgba(6, 26, 64, .14);
  --nav-h: 72px;
  --max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.35; letter-spacing: .01em; }
p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部条 ---------- */
.topbar {
  background: var(--blue-900);
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 38px;
  gap: 16px;
}
.topbar .tb-left span + span { margin-left: 18px; }
.topbar .tb-right a { color: rgba(255, 255, 255, .72); }
.topbar .tb-right a:hover { color: #fff; }
.topbar .tb-right span { margin-left: 14px; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s, background .25s;
}
.nav.scrolled { box-shadow: 0 6px 24px rgba(10, 46, 122, .09); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 42px; height: 42px;
  flex: 0 0 42px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 15px; letter-spacing: .5px;
  box-shadow: 0 6px 16px rgba(21, 87, 204, .32);
}
.logo-text strong { display: block; font-size: 17px; color: var(--blue-800); letter-spacing: .5px; }
.logo-text span { display: block; font-size: 11px; color: var(--ink-3); letter-spacing: 1.4px; text-transform: uppercase; }

.menu { display: flex; align-items: center; gap: 4px; }
.menu > li { position: relative; }
.menu > li > a {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  color: var(--ink);
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
}
.menu > li > a:hover { color: var(--blue-600); background: var(--blue-050); }
.menu > li.active > a { color: var(--blue-600); font-weight: 600; }
.menu > li.active > a::after {
  content: "";
  position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 2px; background: var(--blue-600); border-radius: 2px;
}
.menu .has-sub > a::before {
  content: "";
  display: inline-block;
  margin-right: 6px;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: .5;
  vertical-align: middle;
}
.submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 8px;
  min-width: 210px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: .22s;
}
.menu > li:hover .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; padding: 9px 14px; font-size: 14px; color: var(--ink-2); border-radius: 8px; }
.submenu a:hover { background: var(--blue-050); color: var(--blue-600); }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone { font-size: 15px; font-weight: 700; color: var(--blue-700); }

.burger {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
}
.burger i {
  display: block; width: 18px; height: 2px; margin: 3px auto;
  background: var(--blue-800); border-radius: 2px; transition: .25s;
}
.burger.open i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger.open i:nth-child(2) { opacity: 0; }
.burger.open i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 26px;
  border-radius: 999px;
  font-size: 15px; font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff;
  box-shadow: 0 8px 20px rgba(21, 87, 204, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(21, 87, 204, .36); }
.btn-ghost { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-ghost:hover { background: rgba(255, 255, 255, .2); transform: translateY(-2px); }
.btn-outline { background: #fff; color: var(--blue-700); border-color: var(--blue-600); }
.btn-outline:hover { background: var(--blue-600); color: #fff; transform: translateY(-2px); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 620px;
  background: linear-gradient(135deg, #061a40 0%, #0a2e7a 55%, #123f9e 100%);
  color: #fff;
  overflow: hidden;
  display: flex; align-items: center;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 72%);
}
.hero::after {
  content: "";
  position: absolute; right: -160px; top: -120px;
  width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 194, 255, .28), transparent 62%);
}
.hero .container { position: relative; z-index: 2; padding: 96px 24px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px;
  background: rgba(0, 194, 255, .14);
  border: 1px solid rgba(0, 194, 255, .35);
  color: #8fe3ff; font-size: 13px; letter-spacing: .5px;
}
.hero h1 {
  margin: 22px 0 18px;
  font-size: 46px;
  line-height: 1.28;
  max-width: 760px;
}
.hero h1 em { font-style: normal; color: var(--cyan); }
.hero-sub { font-size: 17px; color: rgba(255, 255, 255, .8); max-width: 640px; }
.hero-btns { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-keys { display: flex; gap: 28px; margin-top: 46px; flex-wrap: wrap; }
.hero-keys li { font-size: 14px; color: rgba(255, 255, 255, .74); display: flex; align-items: center; gap: 8px; }
.hero-keys li::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px rgba(255, 138, 0, .2);
}
.hero-side {
  position: absolute; right: 40px; top: 50%; transform: translateY(-50%);
  width: 300px; z-index: 2;
}
.hero-card {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 18px;
  padding: 22px;
  backdrop-filter: blur(8px);
}
.hero-card h4 { font-size: 15px; margin-bottom: 14px; color: #fff; }
.hero-card li {
  display: flex; justify-content: space-between;
  padding: 9px 0; font-size: 14px;
  border-bottom: 1px dashed rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .78);
}
.hero-card li:last-child { border-bottom: 0; }
.hero-card li b { color: #fff; font-weight: 600; }

/* ---------- 页头横幅 ---------- */
.pagehead {
  position: relative;
  padding: 78px 0 68px;
  background: linear-gradient(120deg, #071c44, #0e3fa0);
  color: #fff;
  overflow: hidden;
}
.pagehead::after {
  content: "";
  position: absolute; right: -100px; bottom: -180px;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 194, 255, .25), transparent 60%);
}
.pagehead .container { position: relative; z-index: 2; }
.pagehead h1 { font-size: 36px; margin-bottom: 12px; }
.pagehead p { color: rgba(255, 255, 255, .75); font-size: 16px; max-width: 700px; }
.crumb { font-size: 13px; color: rgba(255, 255, 255, .6); margin-bottom: 16px; }
.crumb a:hover { color: #fff; }

/* ---------- 通用区块 ---------- */
.section { padding: 88px 0; }
.section.soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--blue-600);
  margin-bottom: 12px;
}
.section-head h2 { font-size: 32px; color: var(--ink); margin-bottom: 14px; }
.section-head p { color: var(--ink-2); font-size: 16px; }
.section-head.left { text-align: left; margin-left: 0; }

.divider {
  width: 56px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan));
  margin: 0 auto 18px;
}
.section-head.left .divider { margin-left: 0; }

/* ---------- 数据条 ---------- */
.stats {
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
  margin-top: -56px;
  position: relative; z-index: 5;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.stats .item { padding: 30px 18px; text-align: center; position: relative; }
.stats .item + .item::before {
  content: ""; position: absolute; left: 0; top: 26%; height: 48%;
  width: 1px; background: var(--line);
}
.stats .num { font-size: 34px; font-weight: 800; color: var(--blue-700); line-height: 1.2; }
.stats .num small { font-size: 15px; font-weight: 600; margin-left: 2px; }
.stats .lab { font-size: 14px; color: var(--ink-3); margin-top: 4px; }

/* ---------- 卡片 ---------- */
.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: #cfdcf5; }
.card .ico {
  width: 54px; height: 54px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--blue-050);
  margin-bottom: 18px;
}
.card .ico svg { width: 28px; height: 28px; stroke: currentColor; }
.card .ico { color: var(--blue-600); }
.card.dark .ico { color: #fff; }
.card h3 { font-size: 19px; margin-bottom: 10px; color: var(--ink); }
.card p { color: var(--ink-2); font-size: 15px; }
.card .more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--blue-600);
}
.card .more:hover { gap: 10px; }

.card.dark {
  background: linear-gradient(160deg, #0a2e7a, #123f9e);
  border-color: transparent; color: #fff;
}
.card.dark h3, .card.dark p { color: rgba(255, 255, 255, .9); }
.card.dark .ico { background: rgba(255, 255, 255, .14); }

/* 服务列表卡 */
.svc {
  display: flex; gap: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.svc .ico {
  flex: 0 0 58px; width: 58px; height: 58px;
  border-radius: 14px; background: linear-gradient(135deg, var(--blue-100), #fff);
  display: grid; place-items: center;
}
.svc .ico { color: var(--blue-600); }
.svc .ico svg { width: 28px; height: 28px; stroke: currentColor; }
.svc h3 { font-size: 18px; margin-bottom: 8px; }
.svc p { color: var(--ink-2); font-size: 15px; }
.svc ul { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.svc ul li {
  font-size: 13px; color: var(--blue-700);
  background: var(--blue-050); border-radius: 6px; padding: 3px 10px;
}

/* ---------- 优势 ---------- */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.why-list { margin-top: 26px; }
.why-item {
  display: flex; gap: 16px; padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}
.why-item:last-child { border-bottom: 0; }
.why-item .n {
  flex: 0 0 34px; height: 34px; border-radius: 10px;
  background: var(--blue-600); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 14px;
}
.why-item h4 { font-size: 16px; margin-bottom: 4px; }
.why-item p { font-size: 14px; color: var(--ink-2); }
.why-visual {
  position: relative;
  border-radius: 20px;
  padding: 34px;
  background: linear-gradient(150deg, #071c44, #0e3fa0 70%, #1557cc);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.why-visual h4 { font-size: 18px; margin-bottom: 18px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.chip {
  font-size: 13px; padding: 6px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  color: rgba(255, 255, 255, .9);
}
.why-visual .kv { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.why-visual .kv div {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 12px; padding: 14px 16px;
}
.why-visual .kv b { display: block; font-size: 22px; color: #7fdcff; }
.why-visual .kv span { font-size: 13px; color: rgba(255, 255, 255, .72); }

/* ---------- 合作伙伴 ---------- */
.partners {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
}
.partner {
  height: 92px; border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  display: grid; place-items: center;
  text-align: center;
  padding: 12px;
  transition: .25s;
}
.partner:hover { border-color: var(--blue-500); transform: translateY(-4px); box-shadow: var(--shadow); }
.partner b { display: block; font-size: 15px; color: var(--blue-800); }
.partner span { font-size: 12px; color: var(--ink-3); }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(180deg, var(--blue-500), var(--cyan));
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 7px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue-600);
}
.tl-year { font-size: 15px; font-weight: 800; color: var(--blue-700); }
.tl-item h4 { font-size: 16px; margin: 4px 0 6px; }
.tl-item p { font-size: 14px; color: var(--ink-2); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 16px 20px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line); }
th { background: var(--blue-050); color: var(--blue-800); font-weight: 700; white-space: nowrap; }
td { color: var(--ink-2); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fafcff; }

/* ---------- 资质 ---------- */
.cert {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; text-align: center;
}
.cert .badge {
  width: 62px; height: 62px; margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-100), var(--blue-050));
  display: grid; place-items: center;
}
.cert .badge { color: var(--blue-600); }
.cert .badge svg { width: 30px; height: 30px; stroke: currentColor; }
.cert h4 { font-size: 16px; margin-bottom: 6px; }
.cert p { font-size: 13px; color: var(--ink-3); }

/* ---------- 新闻 ---------- */
.news-item {
  display: grid; grid-template-columns: 118px 1fr; gap: 24px;
  padding: 26px 0; border-bottom: 1px solid var(--line);
  align-items: center;
}
.news-item:first-child { padding-top: 0; }
.news-date {
  text-align: center; border-radius: 12px;
  background: var(--blue-050); padding: 14px 8px;
}
.news-date b { display: block; font-size: 26px; color: var(--blue-700); line-height: 1.1; }
.news-date span { font-size: 12px; color: var(--ink-3); }
.news-item h3 { font-size: 18px; margin-bottom: 6px; }
.news-item p { font-size: 14px; color: var(--ink-2); }
.news-item:hover h3 { color: var(--blue-600); }
.tag {
  display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 5px;
  background: var(--blue-100); color: var(--blue-700); margin-right: 8px;
}

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.info-list li {
  display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line);
}
.info-list li:first-child { padding-top: 0; }
.info-list .ico {
  flex: 0 0 44px; height: 44px; border-radius: 12px;
  background: var(--blue-050); display: grid; place-items: center;
}
.info-list .ico { color: var(--blue-600); }
.info-list .ico svg { width: 22px; height: 22px; stroke: currentColor; }
.info-list h4 { font-size: 15px; color: var(--ink-3); font-weight: 600; margin-bottom: 2px; }
.info-list p { font-size: 16px; color: var(--ink); }
.info-list .sub { font-size: 13px; color: var(--ink-3); }

.form {
  background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 32px; box-shadow: var(--shadow);
}
.form h3 { font-size: 20px; margin-bottom: 6px; }
.form .hint { font-size: 14px; color: var(--ink-3); margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field label i { color: var(--accent); font-style: normal; }
.field input, .field textarea, .field select {
  width: 100%; font: inherit; font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px;
  background: #fff; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(42, 115, 232, .12);
}
.field textarea { min-height: 108px; resize: vertical; }
.field .err { display: none; font-size: 13px; color: #e0393e; margin-top: 6px; }
.field.invalid input, .field.invalid textarea { border-color: #e0393e; }
.field.invalid .err { display: block; }
.form-note { font-size: 13px; color: var(--ink-3); margin-top: 14px; }
.form-ok {
  display: none; margin-top: 16px; padding: 12px 16px;
  background: #eaf7ee; border: 1px solid #b7e2c3; color: #1e7a3c;
  border-radius: 10px; font-size: 14px;
}

/* ---------- CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, #0a2e7a, #1557cc);
  color: #fff; padding: 62px 0;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; left: -80px; top: -120px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 0, .25), transparent 62%);
}
.cta-band .container {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 28px; margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, .78); font-size: 15px; }

/* ---------- 页脚 ---------- */
.footer {
  background: #061a40;
  color: rgba(255, 255, 255, .68);
  padding-top: 64px;
  font-size: 14px;
}
.f-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer .logo-text strong { color: #fff; }
.f-about p { line-height: 1.9; }
.f-about .qr {
  margin-top: 18px; width: 108px; height: 108px; border-radius: 12px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  display: grid; place-items: center; font-size: 12px; color: rgba(255, 255, 255, .5);
}
.footer ul li { margin-bottom: 11px; }
.footer ul a { color: rgba(255, 255, 255, .68); }
.footer ul a:hover { color: #fff; }
.footer .f-contact li { display: flex; gap: 10px; }
.footer .f-contact b { color: #fff; font-weight: 600; flex: 0 0 auto; }
.f-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0 30px;
}
.f-bottom .container {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255, 255, 255, .55);
}
.f-bottom a { color: rgba(255, 255, 255, .55); }
.f-bottom a:hover { color: #fff; }
.icp {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 6px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .8) !important;
}
.f-links { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 回到顶部 ---------- */
#toTop {
  position: fixed; right: 26px; bottom: 30px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--blue-600); color: #fff;
  border: 0; cursor: pointer;
  display: grid; place-items: center;
  box-shadow: 0 8px 22px rgba(21, 87, 204, .35);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: .25s; z-index: 90;
}
#toTop.show { opacity: 1; visibility: visible; transform: none; }

/* ---------- 滚动揭示 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-side { display: none; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .partners { grid-template-columns: repeat(3, 1fr); }
  .f-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-cta .btn, .nav-phone { display: none; }
  .burger { display: block; }
  .menu {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 10px 16px 18px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  .menu.open { display: flex; }
  .menu > li > a { padding: 13px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .menu > li.active > a::after { display: none; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding: 4px 0 8px 12px; min-width: 0;
  }
  .submenu a { padding: 8px 8px; }
  .hero { min-height: 520px; }
  .hero .container { padding: 72px 24px; }
  .hero h1 { font-size: 32px; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: -40px; }
  .stats .item + .item::before { display: none; }
  .stats .item { border-bottom: 1px solid var(--line); }
  .g-2, .g-3 { grid-template-columns: 1fr; }
  .why { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 26px; }
  .pagehead { padding: 56px 0 48px; }
  .pagehead h1 { font-size: 28px; }
  .partners { grid-template-columns: repeat(2, 1fr); }
  .f-grid { grid-template-columns: 1fr; gap: 28px; }
  .news-item { grid-template-columns: 1fr; gap: 12px; }
  .news-date { width: 96px; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  .cta-band h2 { font-size: 23px; }
}

@media (max-width: 520px) {
  .g-4 { grid-template-columns: 1fr; }
  .topbar .tb-left span:nth-child(2) { display: none; }
  .hero h1 { font-size: 27px; }
}