/* ==========================================================================
   昊天网络科技 · 官网样式
   设计基调：简约大气 + 科技感（深空蓝 × 电光蓝 × 青蓝渐变）
   ========================================================================== */

:root {
  --c-deep: #061024;
  --c-deep-2: #0B1B33;
  --c-ink: #0B1727;
  --c-text: #334155;
  --c-muted: #64748B;
  --c-line: #E3EAF3;
  --c-bg: #FFFFFF;
  --c-bg-soft: #F4F7FC;
  --c-primary: #135BFF;
  --c-primary-dark: #0B3FB5;
  --c-cyan: #00C6FF;
  --c-grad: linear-gradient(120deg, #135BFF 0%, #00C6FF 100%);
  --c-grad-soft: linear-gradient(120deg, rgba(19, 91, 255, .10) 0%, rgba(0, 198, 255, .10) 100%);
  --shadow-sm: 0 2px 10px rgba(11, 23, 39, .05);
  --shadow-md: 0 12px 32px rgba(11, 23, 39, .08);
  --shadow-lg: 0 24px 60px rgba(11, 23, 39, .12);
  --radius: 14px;
  --radius-lg: 20px;
  --container: 1200px;
  --nav-h: 72px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

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

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

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
img { max-width: 100%; display: block; border: 0; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }
h1, h2, h3, h4, h5 { color: var(--c-ink); font-weight: 700; line-height: 1.35; letter-spacing: -.01em; }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section--soft { background: var(--c-bg-soft); }
.section--tight { padding: 72px 0; }

/* ---------- 页头 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .94);
  border-bottom-color: var(--c-line);
  box-shadow: 0 6px 24px rgba(11, 23, 39, .05);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.brand__mark {
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--c-grad);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 19px; letter-spacing: -.5px;
  box-shadow: 0 6px 18px rgba(19, 91, 255, .32);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name { font-size: 17px; font-weight: 700; color: var(--c-ink); letter-spacing: .02em; }
.brand__slogan { font-size: 10px; color: var(--c-muted); letter-spacing: .16em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; padding: 10px 16px; border-radius: 8px;
  font-size: 15px; color: #38455C; cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 2px;
  background: var(--c-grad); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav__link:hover { color: var(--c-primary); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--c-primary); font-weight: 600; }
.nav__link.is-active::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: 14px; }
.header__phone { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--c-ink); font-size: 15px; white-space: nowrap; }
.header__phone svg { color: var(--c-primary); }

.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--c-line);
  background: #fff; cursor: pointer; place-items: center; color: var(--c-ink);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 26px; border-radius: 10px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
}
.btn svg { width: 17px; height: 17px; }
.btn--primary { background: var(--c-grad); color: #fff; box-shadow: 0 10px 24px rgba(19, 91, 255, .26); }
.btn--primary:hover { box-shadow: 0 14px 30px rgba(19, 91, 255, .34); transform: translateY(-2px); }
.btn--outline { border-color: var(--c-line); color: var(--c-ink); background: #fff; }
.btn--outline:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn--ghost { border-color: rgba(255, 255, 255, .28); color: #fff; background: rgba(255, 255, 255, .06); }
.btn--ghost:hover { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .5); }
.btn--sm { height: 38px; padding: 0 18px; font-size: 14px; border-radius: 8px; }
.btn--block { width: 100%; }

.link-more { display: inline-flex; align-items: center; gap: 6px; color: var(--c-primary); font-weight: 600; cursor: pointer; }
.link-more svg { width: 16px; height: 16px; transition: transform .22s var(--ease); }
.link-more:hover svg { transform: translateX(4px); }

/* ---------- 通用标题 ---------- */
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--c-grad); border-radius: 2px; }
.section-head--center .eyebrow::before { display: none; }
.section-head--center .eyebrow { padding: 6px 16px; border-radius: 30px; background: var(--c-grad-soft); }
.section-title { font-size: 38px; line-height: 1.3; margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--c-muted); }
.text-grad { background: var(--c-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ---------- 首屏 ---------- */
.hero {
  position: relative; padding: calc(var(--nav-h) + 92px) 0 96px;
  background: var(--c-deep); color: #fff; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}
.hero::after {
  content: ""; position: absolute; width: 760px; height: 760px; top: -320px; right: -200px;
  background: radial-gradient(circle, rgba(19, 91, 255, .40) 0%, transparent 62%);
  pointer-events: none;
}
.hero__glow {
  position: absolute; width: 620px; height: 620px; left: -240px; bottom: -320px;
  background: radial-gradient(circle, rgba(0, 198, 255, .22) 0%, transparent 62%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero__tag {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px 7px 12px;
  border: 1px solid rgba(0, 198, 255, .35); border-radius: 40px;
  background: rgba(0, 198, 255, .08); color: #9FE3FF;
  font-size: 13px; letter-spacing: .04em; margin-bottom: 26px;
}
.hero__tag .dot { width: 7px; height: 7px; border-radius: 50%; background: #33E1FF; box-shadow: 0 0 0 4px rgba(51, 225, 255, .18); }
.hero h1 { color: #fff; font-size: 56px; line-height: 1.16; letter-spacing: -.02em; margin-bottom: 22px; }
.hero h1 .text-grad { background: linear-gradient(120deg, #4D9BFF 0%, #35E6FF 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero__sub { font-size: 17px; color: #A9BCD6; max-width: 540px; margin-bottom: 36px; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero__keywords { display: flex; flex-wrap: wrap; gap: 10px; }
.hero__keywords span {
  padding: 6px 14px; border-radius: 8px; font-size: 13px; color: #9FB3CC;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08);
}

/* Hero 右侧可视化 */
.hero-visual { position: relative; }
.hero-visual__panel {
  position: relative; border-radius: var(--radius-lg); padding: 26px;
  background: linear-gradient(155deg, rgba(255, 255, 255, .10) 0%, rgba(255, 255, 255, .03) 100%);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .35);
}
.hv__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.hv__dots { display: flex; gap: 6px; }
.hv__dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .22); display: block; }
.hv__label { font-size: 12px; color: #7E93AE; letter-spacing: .12em; text-transform: uppercase; }
.hv__bars { display: flex; align-items: flex-end; gap: 12px; height: 148px; margin-bottom: 24px; }
.hv__bars i {
  flex: 1; border-radius: 6px 6px 2px 2px; display: block;
  background: linear-gradient(180deg, #35E6FF 0%, #135BFF 100%);
  opacity: .9; animation: barUp 1.1s var(--ease) both;
}
.hv__bars i:nth-child(1) { height: 38%; animation-delay: .05s; }
.hv__bars i:nth-child(2) { height: 58%; animation-delay: .12s; }
.hv__bars i:nth-child(3) { height: 46%; animation-delay: .19s; }
.hv__bars i:nth-child(4) { height: 76%; animation-delay: .26s; }
.hv__bars i:nth-child(5) { height: 64%; animation-delay: .33s; }
.hv__bars i:nth-child(6) { height: 92%; animation-delay: .40s; }
@keyframes barUp { from { transform: scaleY(.1); transform-origin: bottom; opacity: 0; } to { transform: scaleY(1); opacity: .9; } }

.hv__list { display: grid; gap: 12px; }
.hv__row { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: #C6D5E8; }
.hv__row em { font-style: normal; color: #6E86A4; }
.hv__track { height: 5px; border-radius: 4px; background: rgba(255, 255, 255, .10); width: 96px; overflow: hidden; }
.hv__track span { display: block; height: 100%; border-radius: 4px; background: var(--c-grad); }

/* ---------- 数据条 ---------- */
.stats { background: var(--c-deep-2); padding: 40px 0; position: relative; }
.stats::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 198, 255, .5), transparent);
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 12px 16px; border-right: 1px solid rgba(255, 255, 255, .08); }
.stat:last-child { border-right: 0; }
.stat__num { font-size: 40px; font-weight: 800; color: #fff; letter-spacing: -.02em; line-height: 1.1; }
.stat__num i { font-style: normal; font-size: 20px; color: var(--c-cyan); margin-left: 2px; }
.stat__label { font-size: 13px; color: #8FA5C0; margin-top: 6px; }

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

.service-card {
  position: relative; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 34px 30px 30px; cursor: pointer; overflow: hidden;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
/* 整卡可点版的 <a> 服务卡片：.service-card 未设 display，作为 <a> 会退化成行内元素 */
a.service-card { display: block; color: inherit; }
/* 悬停在卡片任意位置时，内部「了解详情」箭头也跟着动，强化「整块可点」的暗示 */
a.service-card:hover .link-more svg { transform: translateX(4px); }
.service-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--c-grad); transform: scaleX(0); transform-origin: left;
  transition: transform .32s var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(19, 91, 255, .28); }
.service-card:hover::after { transform: scaleX(1); }
.service-card__icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--c-grad-soft); color: var(--c-primary); margin-bottom: 22px;
  transition: background .28s var(--ease), color .28s var(--ease);
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card:hover .service-card__icon { background: var(--c-grad); color: #fff; }
.service-card__title { font-size: 20px; margin-bottom: 10px; }
.service-card__sub { font-size: 13px; color: var(--c-primary); font-weight: 600; margin-bottom: 12px; letter-spacing: .02em; }
.service-card__desc { color: var(--c-muted); font-size: 14px; }
.service-card__no {
  position: absolute; top: 22px; right: 26px; font-size: 34px; font-weight: 800;
  color: rgba(11, 23, 39, .05); letter-spacing: -.04em; line-height: 1;
}

/* ---------- 案例卡片 ---------- */
.case-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  overflow: hidden; cursor: pointer; display: flex; flex-direction: column;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(19, 91, 255, .26); }
.case-card__cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.case-card:hover .case-card__cover img { transform: scale(1.06); }
.case-card__ph {
  width: 100%; height: 100%; display: grid; place-items: center; position: relative;
  color: rgba(255, 255, 255, .92);
}
.case-card__ph::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .10) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .10) 1px, transparent 1px);
  background-size: 26px 26px;
}
.case-card__ph span { position: relative; font-size: 30px; font-weight: 800; letter-spacing: .06em; text-shadow: 0 4px 18px rgba(0, 0, 0, .25); }
.case-card__tag {
  position: absolute; left: 16px; top: 16px; z-index: 2;
  padding: 5px 12px; border-radius: 30px; font-size: 12px; font-weight: 600;
  background: rgba(6, 16, 36, .62); color: #CBE9FF; border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: blur(6px);
}
.case-card__body { padding: 24px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.case-card__title { font-size: 18px; margin-bottom: 10px; transition: color .2s var(--ease); }
.case-card:hover .case-card__title { color: var(--c-primary); }
.case-card__desc { font-size: 14px; color: var(--c-muted); flex: 1; }
.case-card__meta { display: flex; align-items: center; gap: 8px; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--c-line); font-size: 13px; color: var(--c-muted); }
.case-card__meta b { color: var(--c-primary); font-weight: 700; }

/* 筛选标签 */
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 40px; }

/* 服务筛选行（与行业行上下排列，行距收窄） */
.filter-bar--service { margin-bottom: 14px; }
.filter-bar__label { font-size: 13px; color: var(--c-muted); letter-spacing: .04em; margin-right: 2px; }
.filter-bar__n { display: inline-block; margin-left: 7px; padding: 0 7px; border-radius: 10px; background: rgba(19, 91, 255, .1); color: var(--c-primary); font-size: 11.5px; font-weight: 700; }
.filter-bar a.is-active .filter-bar__n { background: rgba(255, 255, 255, .24); color: #fff; }
.filter-bar a {
  padding: 9px 20px; border-radius: 30px; border: 1px solid var(--c-line); background: #fff;
  font-size: 14px; color: var(--c-text); cursor: pointer;
  transition: all .22s var(--ease);
}
.filter-bar a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.filter-bar a.is-active { background: var(--c-grad); border-color: transparent; color: #fff; font-weight: 600; box-shadow: 0 8px 20px rgba(19, 91, 255, .24); }

/* ---------- 新闻 ---------- */
.news-item {
  display: grid; grid-template-columns: 128px 1fr auto; gap: 28px; align-items: center;
  padding: 28px 30px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  cursor: pointer; transition: all .26s var(--ease);
}
.news-item:hover { border-color: rgba(19, 91, 255, .3); box-shadow: var(--shadow-md); transform: translateX(4px); }
.news-item + .news-item { margin-top: 16px; }
.news-item__date { text-align: center; border-right: 1px solid var(--c-line); padding-right: 20px; }
.news-item__day { font-size: 32px; font-weight: 800; color: var(--c-ink); line-height: 1; letter-spacing: -.03em; }
.news-item__month { font-size: 12px; color: var(--c-muted); letter-spacing: .08em; margin-top: 6px; }
.news-item__title { font-size: 19px; margin-bottom: 8px; transition: color .2s var(--ease); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.news-item:hover .news-item__title { color: var(--c-primary); }
.news-item__desc { font-size: 14px; color: var(--c-muted); }
.news-item__go { color: var(--c-muted); }
.news-item__go svg { width: 20px; height: 20px; transition: transform .22s var(--ease), color .22s var(--ease); }
.news-item:hover .news-item__go svg { transform: translateX(5px); color: var(--c-primary); }

.tag { display: inline-block; padding: 3px 10px; border-radius: 6px; font-size: 12px; font-weight: 600; background: var(--c-grad-soft); color: var(--c-primary); }
.tag--top { background: linear-gradient(120deg, #FF6A3D, #FF9A3D); color: #fff; }

/* 首页新闻卡 */
.news-mini { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.news-mini__item {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 24px;
  cursor: pointer; transition: all .26s var(--ease);
}
.news-mini__item:hover { border-color: rgba(19, 91, 255, .3); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-mini__meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--c-muted); margin-bottom: 12px; }
.news-mini__title { font-size: 17px; margin-bottom: 10px; line-height: 1.5; }
.news-mini__item:hover .news-mini__title { color: var(--c-primary); }
.news-mini__desc { font-size: 13px; color: var(--c-muted); }

/* ---------- 优势 / 流程 ---------- */
.value-card {
  padding: 30px 26px; border-radius: var(--radius-lg); background: #fff;
  border: 1px solid var(--c-line); position: relative; overflow: hidden;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.value-card__ico { width: 44px; height: 44px; border-radius: 12px; background: var(--c-grad); color: #fff; display: grid; place-items: center; margin-bottom: 18px; }
.value-card__ico svg { width: 22px; height: 22px; }
.value-card h3 { font-size: 18px; margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--c-muted); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 27px; left: 8%; right: 8%; height: 1px;
  background: repeating-linear-gradient(90deg, rgba(19, 91, 255, .35) 0 8px, transparent 8px 16px);
}
.step { text-align: center; position: relative; }
.step__no {
  width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: 18px;
  background: #fff; color: var(--c-primary); border: 1px solid rgba(19, 91, 255, .3);
  box-shadow: 0 0 0 8px #fff, 0 8px 20px rgba(19, 91, 255, .12);
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--c-muted); max-width: 240px; margin: 0 auto; }

/* ---------- CTA 横幅 ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--c-deep); padding: 72px 0; }
.cta-band::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: 46px 46px;
  mask-image: linear-gradient(90deg, #000, transparent 70%);
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 70%);
}
.cta-band::after {
  content: ""; position: absolute; width: 640px; height: 640px; right: -160px; top: -280px;
  background: radial-gradient(circle, rgba(19, 91, 255, .5) 0%, transparent 62%);
}
.cta-band .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: 34px; margin-bottom: 12px; }
.cta-band p { color: #A9BCD6; font-size: 16px; }
.cta-band__btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 内页头 ---------- */
.page-hero {
  position: relative; overflow: hidden; padding: calc(var(--nav-h) + 76px) 0 76px;
  background: var(--c-deep); color: #fff;
}
.page-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: 54px 54px;
  mask-image: radial-gradient(ellipse at 30% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 0%, #000 0%, transparent 75%);
}
.page-hero::after {
  content: ""; position: absolute; width: 700px; height: 700px; right: -220px; top: -360px;
  background: radial-gradient(circle, rgba(0, 198, 255, .28) 0%, transparent 62%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero__eyebrow { font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: #6FD8FF; margin-bottom: 14px; }
.page-hero h1 { color: #fff; font-size: 42px; margin-bottom: 16px; letter-spacing: -.02em; }
.page-hero p { color: #A9BCD6; max-width: 720px; font-size: 16px; }
/* 服务页首屏的「服务城市」入口（城市页是独立页面，入口必须显眼且靠前） */
.area-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 24px; }
.area-chips__label { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: #A9BBD6; }
.area-chips a { display: inline-block; padding: 5px 15px; border: 1px solid rgba(255, 255, 255, .28); border-radius: 20px; font-size: 13px; color: #fff; transition: background .25s var(--ease), border-color .25s var(--ease); }
.area-chips a:hover { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .55); }
/* 当前所在城市：高亮且不可点，用来标出「你在这」 */
.area-chips__current { display: inline-block; padding: 5px 15px; border: 1px solid rgba(255, 255, 255, .55); border-radius: 20px; font-size: 13px; color: #0B1B33; background: #fff; font-weight: 600; }

.crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #7E93AE; margin-top: 26px; }
.crumb a:hover { color: #fff; }
.crumb i { font-style: normal; opacity: .5; }

/* ---------- 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
/* 偶数块把媒体卡提到前面 → 桌面端左右交替（DOM 中文字在前、媒体在后） */
.split--reverse .split__media { order: -1; }
.split__media { position: relative; }
.media-frame {
  border-radius: var(--radius-lg); overflow: hidden; position: relative;
  aspect-ratio: 4 / 3; display: grid; place-items: center; color: #fff;
  background: var(--c-grad);
}
.media-frame::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .12) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .12) 1px, transparent 1px);
  background-size: 34px 34px;
}
.media-frame__inner { position: relative; text-align: center; padding: 30px; }
.media-frame__inner strong { display: block; font-size: 44px; font-weight: 800; letter-spacing: -.03em; }
.media-frame__inner span { font-size: 14px; opacity: .9; letter-spacing: .1em; }
.split__float {
  position: absolute; right: -18px; bottom: -18px; background: #fff; border-radius: var(--radius);
  padding: 18px 22px; box-shadow: var(--shadow-lg); border: 1px solid var(--c-line);
}
.split__float b { display: block; font-size: 26px; color: var(--c-primary); font-weight: 800; line-height: 1.2; }
.split__float > span { font-size: 12px; color: var(--c-muted); }

.check-list { display: grid; gap: 14px; margin-top: 26px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.check-list svg { width: 20px; height: 20px; color: var(--c-primary); flex-shrink: 0; margin-top: 3px; }

/* ---------- 富文本 ---------- */
.rich { font-size: 16px; line-height: 1.95; color: #3F4E63; }
.rich h2 { font-size: 24px; margin: 36px 0 16px; padding-left: 14px; border-left: 4px solid var(--c-primary); }
.rich h3 { font-size: 19px; margin: 28px 0 12px; }
.rich p { margin-bottom: 18px; }
.rich ul, .rich ol { margin: 0 0 18px 0; padding-left: 4px; display: grid; gap: 10px; }
.rich ul li, .rich ol li { position: relative; padding-left: 22px; }
.rich ul li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 7px; height: 7px; border-radius: 2px; background: var(--c-grad); }
.rich ol { counter-reset: n; }
.rich ol li { counter-increment: n; }
.rich ol li::before {
  content: counter(n); position: absolute; left: 0; top: 2px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--c-grad-soft); color: var(--c-primary);
  font-size: 11px; font-weight: 700; display: grid; place-items: center;
}
.rich img { border-radius: var(--radius); margin: 22px 0; }
.rich blockquote {
  margin: 24px 0; padding: 20px 24px; border-radius: var(--radius);
  background: var(--c-bg-soft); border-left: 4px solid var(--c-primary);
  color: var(--c-ink); font-size: 15px;
}
.rich table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 14px; }
.rich th, .rich td { border: 1px solid var(--c-line); padding: 12px 14px; text-align: left; }
.rich th { background: var(--c-bg-soft); font-weight: 600; color: var(--c-ink); }

/* ---------- 侧栏布局 ---------- */
.layout-side { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 44px; align-items: start; }
.side-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 26px; }
.side-card + .side-card { margin-top: 22px; }
.side-card__title { font-size: 17px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--c-line); display: flex; align-items: center; gap: 9px; }
.side-card__title svg { width: 18px; height: 18px; color: var(--c-primary); }
.side-list li { padding: 11px 0; border-bottom: 1px dashed var(--c-line); font-size: 14px; }
.side-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.side-list a { display: block; color: var(--c-text); }
.side-list a:hover { color: var(--c-primary); }
.side-news { display: grid; gap: 16px; }
.side-news__item { cursor: pointer; }
.side-news__item time { font-size: 12px; color: var(--c-muted); }
.side-news__item p { font-size: 14px; color: var(--c-text); line-height: 1.6; }
.side-news__item:hover p { color: var(--c-primary); }

/* 上下篇 */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 44px 0 8px; }
.pager a {
  padding: 18px 22px; border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff;
  font-size: 14px; color: var(--c-text); transition: all .24s var(--ease);
}
.pager a:hover { border-color: var(--c-primary); color: var(--c-primary); box-shadow: var(--shadow-sm); }
.pager a span { display: block; font-size: 12px; color: var(--c-muted); margin-bottom: 4px; }
.pager a:last-child { text-align: right; }

/* ---------- 文章信息 ---------- */
.article-meta { display: flex; flex-wrap: wrap; gap: 22px; font-size: 13px; color: var(--c-muted); padding-bottom: 24px; border-bottom: 1px solid var(--c-line); margin-bottom: 34px; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta svg { width: 15px; height: 15px; color: var(--c-primary); }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-list { display: grid; gap: 18px; margin: 32px 0 0; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start; padding: 22px 24px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  transition: all .24s var(--ease);
}
.contact-item:hover { border-color: rgba(19, 91, 255, .3); box-shadow: var(--shadow-sm); }
.contact-item__ico { width: 42px; height: 42px; border-radius: 11px; background: var(--c-grad-soft); color: var(--c-primary); display: grid; place-items: center; flex-shrink: 0; }
.contact-item__ico svg { width: 20px; height: 20px; }
.contact-item h3 { font-size: 15px; margin-bottom: 4px; }
.contact-item p { font-size: 14px; color: var(--c-muted); overflow-wrap: anywhere; }
.contact-item b { font-size: 18px; color: var(--c-primary); font-weight: 700; }

/* 可点击的联系方式（电话 / 邮箱）：沿用原有视觉，仅加轻微反馈 */
.contact-link { color: inherit; text-decoration: none; }
.contact-link:hover { text-decoration: underline; }
a.contact-link + a.contact-link::before { content: " / "; color: #94A3B8; font-weight: 400; }

.form-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 38px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--c-ink); margin-bottom: 8px; }
.form-group label i { color: #E5484D; font-style: normal; margin-left: 3px; }
.form-control {
  width: 100%; height: 48px; padding: 0 16px; border-radius: 10px;
  border: 1px solid var(--c-line); background: #FBFCFE; color: var(--c-ink);
  /* 字号必须 ≥16px：否则 iOS Safari / 微信内置浏览器聚焦输入框时会自动放大页面 */
  font-size: 16px; font-family: inherit;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
textarea.form-control { height: auto; min-height: 132px; padding: 14px 16px; line-height: 1.7; resize: vertical; }
select.form-control { cursor: pointer; }
.form-control:focus { border-color: var(--c-primary); background: #fff; box-shadow: 0 0 0 4px rgba(19, 91, 255, .10); }
.form-tip { font-size: 13px; color: var(--c-muted); margin-top: 14px; }
.form-msg { display: none; margin-top: 16px; padding: 12px 16px; border-radius: 10px; font-size: 14px; }
.form-msg.is-ok { display: block; background: #EAF9F1; color: #0F8A54; border: 1px solid #C5EEDA; }
.form-msg.is-err { display: block; background: #FDF0F0; color: #C0392B; border: 1px solid #F7D5D5; }

.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--c-line); background: var(--c-bg-soft); }
.map-frame iframe { width: 100%; height: 420px; border: 0; display: block; }

/* 内置位置示意图（不依赖外部地图服务） */
.map-local { position: relative; min-height: 460px; background: #EFF5FC; overflow: hidden; }
.map-local__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(19, 91, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(19, 91, 255, .06) 1px, transparent 1px);
  background-size: 44px 44px;
}
.map-local__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.map-local__chip {
  position: absolute; top: 22px; right: 22px; z-index: 3;
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 15px; border-radius: 30px;
  background: rgba(255, 255, 255, .92); border: 1px solid var(--c-line);
  font-size: 12px; color: var(--c-muted); letter-spacing: .02em;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.map-local__chip svg { width: 14px; height: 14px; color: var(--c-primary); }
.map-local__pin { position: absolute; left: 52%; top: 40%; transform: translate(-50%, -100%); z-index: 3; }
.map-local__pin-ring {
  position: absolute; left: 50%; top: 50%; width: 54px; height: 54px; margin: -27px 0 0 -27px;
  border-radius: 50%; border: 2px solid rgba(19, 91, 255, .45);
  animation: pinRing 2.6s var(--ease) infinite;
}
.map-local__pin-mark {
  position: relative; width: 54px; height: 54px; border-radius: 17px; display: grid; place-items: center;
  background: var(--c-grad); color: #fff; box-shadow: 0 16px 34px rgba(19, 91, 255, .35);
}
.map-local__pin-mark svg { width: 26px; height: 26px; }
.map-local__pin-tail { width: 2px; height: 18px; margin: 5px auto 0; background: rgba(19, 91, 255, .45); border-radius: 2px; }
@keyframes pinRing {
  0%   { transform: scale(.62); opacity: .85; }
  100% { transform: scale(2.3); opacity: 0; }
}
.map-local__card {
  position: absolute; left: 24px; right: 24px; bottom: 24px; z-index: 4; max-width: 460px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow-lg);
}
.map-local__card h3 { font-size: 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.map-local__card h3 svg { width: 17px; height: 17px; color: var(--c-primary); }
.map-local__row { display: flex; gap: 10px; font-size: 13.5px; color: var(--c-muted); padding: 5px 0; line-height: 1.7; }
.map-local__row svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 4px; color: var(--c-primary); }
.map-local__row b { color: var(--c-ink); font-weight: 600; }

/* ---------- 关于我们 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--c-primary), rgba(19, 91, 255, .08)); }
.timeline__item { position: relative; padding-bottom: 34px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: ""; position: absolute; left: -34px; top: 6px; width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--c-primary); box-shadow: 0 0 0 5px rgba(19, 91, 255, .10);
}
.timeline__year { font-size: 15px; font-weight: 800; color: var(--c-primary); letter-spacing: .04em; margin-bottom: 6px; }
.timeline__item h3 { font-size: 17px; margin-bottom: 8px; }
.timeline__item p { font-size: 14px; color: var(--c-muted); }

/* ---------- 对比表（可引用单元：AI 直接摘取表格内容） ---------- */
.compare-wrap {
  overflow-x: auto; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.compare-table { width: 100%; min-width: 680px; border-collapse: collapse; font-size: 14px; }
.compare-table caption {
  text-align: left; padding: 16px 20px; font-size: 12.5px; color: var(--c-muted);
  border-bottom: 1px solid var(--c-line);
}
.compare-table th, .compare-table td {
  padding: 14px 18px; border-bottom: 1px solid var(--c-line);
  text-align: left; vertical-align: top; line-height: 1.75;
}
.compare-table thead th { background: var(--c-bg-soft); font-size: 13px; color: var(--c-ink); white-space: nowrap; }
.compare-table tbody th { width: 132px; font-weight: 600; color: var(--c-ink); background: #FBFCFE; white-space: nowrap; }
.compare-table tbody tr:last-child th, .compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-note { margin-top: 18px; font-size: 13px; color: var(--c-muted); line-height: 1.85; }
.compare-note b { color: var(--c-ink); }

/* ---------- 团队成员（数据来自后台「团队成员」） ---------- */
.member-card {
  text-align: center; padding: 30px 24px; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); background: #fff; transition: all .26s var(--ease);
}
.member-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(19, 91, 255, .28); }
.member-card__avatar {
  width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 18px; overflow: hidden;
  display: grid; place-items: center; background: var(--c-grad); color: #fff;
  font-size: 30px; font-weight: 800; box-shadow: 0 12px 26px rgba(19, 91, 255, .26);
}
.member-card__avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.member-card h3 { font-size: 18px; display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }
.member-card h3 em {
  font-style: normal; font-size: 11px; font-weight: 700; color: var(--c-primary);
  background: var(--c-grad-soft); padding: 3px 9px; border-radius: 20px; letter-spacing: .02em;
}
.member-card__pos { display: block; font-size: 13px; color: var(--c-muted); margin-top: 6px; }
.member-card > p { font-size: 13.5px; color: var(--c-text); margin-top: 14px; text-align: left; line-height: 1.8; }
.member-card__projects { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--c-line); text-align: left; }
.member-card__projects b { font-size: 12px; color: var(--c-muted); letter-spacing: .06em; }
.member-card__projects ul { margin-top: 9px; display: grid; gap: 7px; }
.member-card__projects li { font-size: 13px; color: var(--c-text); display: flex; gap: 9px; align-items: flex-start; line-height: 1.7; }
.member-card__projects li::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--c-primary); margin-top: 8px; flex-shrink: 0;
}

.quote-band { background: var(--c-deep); color: #fff; border-radius: var(--radius-lg); padding: 56px 48px; position: relative; overflow: hidden; }
.quote-band::after { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; bottom: -260px; background: radial-gradient(circle, rgba(19, 91, 255, .45) 0%, transparent 62%); }
.quote-band h2 { color: #fff; font-size: 30px; margin-bottom: 16px; position: relative; }
.quote-band p { color: #A9BCD6; max-width: 780px; position: relative; }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; margin-top: 52px; }
.pagination ul, .pagination .pagination-list { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.pagination li { list-style: none; }
.pagination a, .pagination span {
  min-width: 42px; height: 42px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--c-line);
  background: #fff; color: var(--c-text); display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; transition: all .22s var(--ease);
}
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pagination .active span, .pagination li.active a { background: var(--c-grad); border-color: transparent; color: #fff; font-weight: 600; }
.pagination .disabled span { color: #B9C4D2; background: #F8FAFD; }
/* ThinkPHP 分页默认结构兼容 */
.pagination > span, .pagination > a { margin: 0 3px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-deep); color: #93A6BF; padding: 72px 0 0; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0, 198, 255, .45), transparent); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 54px; }
.site-footer .brand__name { color: #fff; }
.site-footer .brand__slogan { color: #64789A; }
.footer-desc { font-size: 14px; margin: 22px 0; line-height: 1.9; color: #8DA0B8; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-links a {
  width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center;
  border: 1px solid rgba(255, 255, 255, .1); color: #9FB3CC; transition: all .22s var(--ease);
}
.footer-links a:hover { background: var(--c-grad); border-color: transparent; color: #fff; }
.footer-links svg { width: 17px; height: 17px; }
.footer-title { color: #fff; font-size: 16px; margin-bottom: 22px; font-weight: 700; }
.footer-menu { display: grid; gap: 12px; }
.footer-menu a { font-size: 14px; color: #93A6BF; }
.footer-menu a:hover { color: #4D9BFF; padding-left: 4px; }
.footer-contact { display: grid; gap: 18px; }
.footer-contact__row { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; }
.footer-contact__row svg { width: 17px; height: 17px; color: #4D9BFF; flex-shrink: 0; margin-top: 4px; }
.footer-contact__row b { color: #fff; font-size: 17px; display: block; letter-spacing: .01em; }
/* 友情链接 */
.footer-links-bar {
  display: flex; align-items: flex-start; gap: 20px; flex-wrap: wrap;
  padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .08);
}
.footer-links-bar__label {
  flex-shrink: 0; font-size: 13px; color: #64789A; letter-spacing: .06em; padding-top: 4px;
}
.footer-links-bar ul { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-links-bar a { font-size: 13px; color: #93A6BF; }
.footer-links-bar a:hover { color: #4D9BFF; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 24px 0; font-size: 13px; color: #6B7F9C;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-bottom a:hover { color: #4D9BFF; }

/* ---------- 返回顶部 / 悬浮咨询 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 92px; z-index: 800;
  width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--c-line); background: #fff;
  display: grid; place-items: center; color: var(--c-ink); cursor: pointer; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .28s var(--ease);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--c-grad); color: #fff; border-color: transparent; }
.side-fab {
  position: fixed; right: 26px; bottom: 26px; z-index: 800;
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--c-grad); color: #fff; box-shadow: 0 12px 28px rgba(19, 91, 255, .34); cursor: pointer;
  transition: transform .24s var(--ease);
}
.side-fab:hover { transform: translateY(-3px); }

/* ---------- 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

/* ---------- 无障碍：跳到主要内容 ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  padding: 12px 20px; background: var(--c-primary); color: #fff;
  font-size: 14px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 常见问题（FAQ 折叠） ---------- */
/* ===== 通用按钮行 ===== */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ===== 数据条下方的服务区域入口 ===== */
.stats__areas { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 30px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 13px; }
.stats__areas-label { color: rgba(255, 255, 255, .55); letter-spacing: .06em; margin-right: 4px; }
.stats__areas a { color: #CFE0F5; padding: 5px 13px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 20px; transition: all .25s var(--ease); }
.stats__areas a:hover { color: #fff; border-color: rgba(111, 216, 255, .6); background: rgba(111, 216, 255, .1); }
.stats__areas-more { color: #6FD8FF !important; border-color: rgba(111, 216, 255, .35) !important; display: inline-flex; align-items: center; gap: 5px; }
.stats__areas-more svg { width: 14px; height: 14px; }

/* ===== GEO 答案块（AI 抽取内容时优先抓「一句话讲得完 + 带数字/条件」的片段） ===== */
.answer-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.answer-card { background: #fff; border: 1px solid var(--c-line); border-left: 4px solid var(--c-primary); border-radius: 12px; padding: 22px 24px; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.answer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.answer-card__tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em; color: var(--c-primary); background: rgba(19, 91, 255, .08); padding: 3px 11px; border-radius: 20px; margin-bottom: 12px; }
.answer-card h3 { font-size: 17px; margin-bottom: 10px; }
.answer-card p { font-size: 14px; color: var(--c-muted); line-height: 1.9; }
@media (max-width: 900px) { .answer-grid { grid-template-columns: 1fr; } }

.faq-list { display: grid; gap: 14px; max-width: 900px; margin: 0 auto; }
.faq-item {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  overflow: hidden; transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.faq-item[open] { border-color: rgba(19, 91, 255, .3); box-shadow: var(--shadow-sm); }
.faq-item summary {
  display: flex; align-items: flex-start; gap: 12px; padding: 20px 24px;
  cursor: pointer; font-size: 16px; font-weight: 600; color: var(--c-ink);
  list-style: none; transition: color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--c-primary); }
.faq-item summary::after {
  content: "+"; margin-left: auto; color: var(--c-primary);
  font-size: 20px; font-weight: 700; line-height: 1; transition: transform .24s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__no {
  width: 24px; height: 24px; border-radius: 7px; flex-shrink: 0; margin-top: 1px;
  background: var(--c-grad-soft); color: var(--c-primary);
  font-size: 12px; font-weight: 700; display: grid; place-items: center;
}
.faq-item__body { padding: 0 24px 22px 60px; font-size: 15px; line-height: 1.9; color: var(--c-muted); }
.faq-item__tag {
  display: inline-block; margin-bottom: 10px; padding: 3px 10px;
  border-radius: 6px; font-size: 12px; font-weight: 600;
  background: var(--c-grad-soft); color: var(--c-primary);
}

/* ---------- 404 ---------- */
.error-code {
  font-size: 104px; font-weight: 800; line-height: 1; letter-spacing: -.05em; margin-bottom: 14px;
  background: var(--c-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.value-card[href] { display: block; cursor: pointer; }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 72px 20px; color: var(--c-muted); }
.empty svg { width: 46px; height: 46px; color: #C6D2E2; margin-bottom: 14px; }

/* ---------- 移动端导航 ---------- */
.mobile-nav {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 890;
  background: #fff; border-bottom: 1px solid var(--c-line);
  padding: 10px 24px 24px; transform: translateY(-110%); opacity: 0;
  transition: transform .34s var(--ease), opacity .3s var(--ease);
  box-shadow: var(--shadow-md); max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.mobile-nav.is-open { transform: translateY(0); opacity: 1; }
.mobile-nav a { display: block; padding: 15px 4px; border-bottom: 1px solid var(--c-line); font-size: 16px; color: var(--c-ink); }
.mobile-nav a.is-active { color: var(--c-primary); font-weight: 600; }
.mobile-nav .btn { margin-top: 20px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 44px; }
  .hero-visual { max-width: 520px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .layout-side { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav, .header__phone { display: none; }
  .nav-toggle { display: grid; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 8px 0; }
  .stat { border-right: 0; }
  .stat:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, .08); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px 24px; }
  .steps::before { display: none; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  /* 窄屏统一：服务板块的媒体卡排在文字之前 */
  .split--srv .split__media,
  .split--srv.split--reverse .split__media { order: -1; }
  .news-item { grid-template-columns: 88px 1fr; padding: 22px; gap: 18px; }
  .news-item__go { display: none; }
  .news-item__day { font-size: 26px; }
  .news-mini { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .section-title { font-size: 30px; }
  .page-hero h1 { font-size: 32px; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { padding: calc(var(--nav-h) + 56px) 0 64px; }
  .hero h1 { font-size: 32px; }
  .hero__sub { font-size: 15px; }
  .hero__btns .btn { flex: 1; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .cta-band h2 { font-size: 25px; }
  .quote-band { padding: 34px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .stat__num { font-size: 32px; }
  .section-title { font-size: 26px; }
  .pager { grid-template-columns: 1fr; }
  /* 悬浮卡片降级为常规块级：窄屏下媒体卡只有 260px 左右高，
     继续绝对定位会压住卡片里的标题与编号 */
  .split__float {
    position: static;
    right: auto;
    bottom: auto;
    margin-top: 16px;
    max-width: none !important;
    box-shadow: var(--shadow-sm);
  }
  .split__float b { font-size: 22px; }
  .split__float > span { font-size: 13px; }
  .side-fab { display: none; }
  .to-top { bottom: 24px; }
  .map-local { min-height: 420px; }
  .map-local__chip { top: 14px; right: 14px; }
  .map-local__card { left: 14px; right: 14px; bottom: 14px; padding: 16px 18px; }
  .map-local__pin { left: 50%; top: 34%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}
