/* ============================================
   北京宇捷盛世广告传媒有限公司 - 全局样式 v2
   设计理念：简约 · 大气 · 专业 · 让客户放心
   主色：深藏蓝（专业信任） + 香槟金（高端质感）
   ============================================ */

:root {
  --primary: #12386b;
  --primary-dark: #0a2444;
  --primary-mid: #1c4d8c;
  --accent: #c9a45c;
  --accent-light: #efe2c5;
  --dark: #14243a;
  --gray: #5d6b82;
  --gray-light: #f6f8fb;
  --white: #ffffff;
  --border: #e7ecf3;
  --radius: 16px;
  --shadow: 0 6px 24px rgba(18, 56, 107, 0.08);
  --shadow-hover: 0 20px 48px rgba(18, 56, 107, 0.16);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* 品牌化选择器与滚动条 */
::selection { background: rgba(201, 164, 92, .35); color: var(--primary-dark); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--gray-light); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-mid), var(--primary));
  border-radius: 8px;
  border: 2px solid var(--gray-light);
}
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .5px;
  cursor: pointer;
  border: none;
  transition: all .32s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--primary-mid));
  color: #fff;
  box-shadow: 0 8px 22px rgba(18, 56, 107, .28);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(18, 56, 107, .38); }
.btn-primary:active { transform: translateY(-1px) scale(.98); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .45);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .12); transform: translateY(-3px); }
.btn-line {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-line:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.btn-gold {
  background: linear-gradient(120deg, var(--accent), #d8b877);
  color: #241d0a;
}
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(201, 164, 92, .4); }
.btn:focus-visible { outline: 3px solid rgba(201, 164, 92, .6); outline-offset: 3px; }

/* ---------- 顶部导航 ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: all .35s ease;
}
.header.scrolled { border-bottom: 1px solid var(--border); box-shadow: 0 4px 22px rgba(20, 36, 58, .06); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; color: var(--dark); }
.logo-mark {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  background: url("../logo-mark.png") no-repeat center / contain;
}
.logo-text { line-height: 1.2; }
.logo-text small { display: block; font-size: 9.5px; color: var(--gray); font-weight: 500; letter-spacing: 1.6px; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 15px;
  color: var(--dark);
  position: relative;
  transition: color .3s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-phone {
  display: flex; align-items: center; gap: 7px;
  font-weight: 700; color: var(--primary); font-size: 14.5px;
  margin-left: 14px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1.5px solid rgba(18, 56, 107, .18);
  background: linear-gradient(120deg, rgba(18,56,107,.05), rgba(201,164,92,.08));
  transition: all .3s;
}
.nav-phone:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(18, 56, 107, .12);
}
.ic-inline { width: 16px; height: 16px; color: var(--primary); flex-shrink: 0; }
.ic-big { width: 42px; height: 42px; color: var(--primary); flex-shrink: 0; }
.img-ph .ic-inline { width: 18px; height: 18px; }
.footer-contact .ic { color: var(--accent); display: inline-flex; }
.footer-contact .ic svg { width: 16px; height: 16px; }
.float-btn { position: relative; }
.ic-float { width: 20px; height: 20px; color: var(--primary); }
.float-btn:hover .ic-float { color: #fff; transition: color .3s; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--dark); margin: 5px 0; border-radius: 2px; transition: .3s; }

/* ---------- Hero 首屏（动态） ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(158deg, #08182e 0%, #0d2c52 48%, #12386b 100%);
  overflow: hidden;
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201, 164, 92, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 164, 92, .05) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse at center, black 28%, transparent 74%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .35;
}
.hero-glow.g1 { width: 540px; height: 540px; background: #c9a45c; top: -150px; right: -80px; animation: floatGlow 10s ease-in-out infinite; }
.hero-glow.g2 { width: 500px; height: 500px; background: #2f6bd0; bottom: -180px; left: -120px; animation: floatGlow 12s ease-in-out infinite reverse; }
@keyframes floatGlow { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(42px,30px) scale(1.14); } }

.hero-inner { position: relative; z-index: 2; color: #fff; padding: 130px 0 90px; }
.hero h1 { font-size: clamp(36px, 5.4vw, 62px); font-weight: 800; line-height: 1.22; letter-spacing: 1px; }
.hero h1 .grad {
  background: linear-gradient(90deg, #e8d9b4, #c9a45c);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { margin: 24px 0 14px; font-size: clamp(15px, 1.8vw, 19px); color: rgba(255, 255, 255, .8); max-width: 660px; min-height: 1.8em; }
.type-cursor { display: inline-block; width: 2px; height: 1.1em; background: var(--accent); vertical-align: text-bottom; margin-left: 3px; animation: blink .8s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-btns { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 30px; margin-top: 44px; flex-wrap: wrap; color: rgba(255,255,255,.75); font-size: 13.5px; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust i { font-style: normal; color: var(--accent); font-weight: 700; }
.hero-stats { display: flex; gap: 0; margin-top: 64px; flex-wrap: wrap; }
.hero-stat { padding: 0 34px; border-left: 1px solid rgba(255,255,255,.14); }
.hero-stat:first-child { border-left: none; padding-left: 0; }
.hero-stat .num { font-size: 36px; font-weight: 800; color: #fff; }
.hero-stat .num span { color: var(--accent); margin-left: 2px; }
.hero-stat .label { font-size: 13px; color: rgba(255, 255, 255, .6); margin-top: 2px; }
.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,.55); font-size: 12px; text-align: center;
}
.scroll-hint .mouse {
  width: 24px; height: 38px; border: 2px solid rgba(255,255,255,.45);
  border-radius: 14px; margin: 0 auto 6px; position: relative;
}
.scroll-hint .mouse::after {
  content: ""; position: absolute; top: 7px; left: 50%;
  width: 4px; height: 8px; margin-left: -2px; border-radius: 2px;
  background: var(--accent); animation: wheel 1.6s infinite;
}
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(12px); opacity: 0; } }

/* ---------- 子页面 Banner ---------- */
.page-banner {
  position: relative;
  padding: 168px 0 92px;
  background: linear-gradient(150deg, rgba(8, 24, 46, .93), rgba(18, 56, 107, .86)), url("../img/banner-main.jpg") center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.page-banner .hero-grid-bg { position: absolute; inset: 0; }
.page-banner h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; position: relative; z-index: 2; }
.page-banner p { color: rgba(255,255,255,.74); margin-top: 12px; position: relative; z-index: 2; }
.crumbs { position: relative; z-index: 2; margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.55); }
.crumbs a:hover { color: var(--accent); }

/* ---------- 通用区块 ---------- */
.section { padding: 100px 0; }
.section-alt { background: var(--gray-light); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-head .tag {
  display: inline-block; padding: 6px 18px; border-radius: 999px;
  background: var(--accent-light); color: #8a6a2c;
  font-size: 12.5px; font-weight: 700; letter-spacing: 2.5px; margin-bottom: 18px;
  border: 1px solid rgba(201, 164, 92, .35);
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; color: var(--dark); }
.section-head h2 .grad {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-head p { color: var(--gray); margin-top: 14px; font-size: 15.5px; }
.section-head::after {
  content: "";
  display: block;
  width: 56px; height: 3px;
  margin: 20px auto 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: .85;
}

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 30px;
  transition: transform .38s cubic-bezier(.2,.7,.3,1), box-shadow .38s, border-color .38s;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card > a { display: block; }
.card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card .icon-box {
  width: 62px; height: 62px; border-radius: 16px;
  display: grid; place-items: center;
  font-size: 27px;
  background: linear-gradient(135deg, var(--accent-light), #f4ecda);
  margin-bottom: 22px;
  color: var(--primary);
  transition: transform .4s, box-shadow .4s;
  box-shadow: 0 4px 12px rgba(201, 164, 92, .18);
}
.card .icon-box svg { width: 30px; height: 30px; }
.card:hover .icon-box {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 10px 24px rgba(201, 164, 92, .32);
}
/* 填充风格图标盒（服务卡片用 Remix 实心图标） */
.card .icon-box.ic-fill {
  background: linear-gradient(135deg, #f1f5fa, #e8eef7);
  border: 1px solid #e3eaf3;
  box-shadow: none;
}
.card .icon-box.ic-fill i { font-size: 29px; line-height: 1; color: var(--primary); }
.card:hover .icon-box.ic-fill { box-shadow: 0 8px 20px rgba(18, 56, 107, .18); }

/* 卡片背景：虚化实景图（上淡下白的蒙版，照片清晰可见且文字好读） */
.card.has-bg { background: #fff; }
.card-bgimg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(7px) saturate(1.12);
  transform: scale(1.1);
  opacity: 1;
  transition: filter .6s ease, transform .6s ease;
  z-index: 0;
  pointer-events: none;
}
.card.has-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(255,255,255,.24) 0%,
    rgba(255,255,255,.58) 44%,
    rgba(255,255,255,.86) 72%,
    rgba(255,255,255,.94) 100%);
  z-index: 1;
  pointer-events: none;
  transition: background .6s ease;
}
.card.has-bg > *:not(.card-bgimg) { position: relative; z-index: 2; }
.card.has-bg:hover .card-bgimg { filter: blur(2.5px) saturate(1.15); transform: scale(1.05); }
.card.has-bg:hover::after {
  background: linear-gradient(180deg,
    rgba(255,255,255,.1) 0%,
    rgba(255,255,255,.46) 48%,
    rgba(255,255,255,.8) 76%,
    rgba(255,255,255,.9) 100%);
}
/* 有背景图时，图标盒改为半透明白，避免和照片打架 */
.card.has-bg .icon-box.ic-fill {
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: 0 4px 14px rgba(18, 56, 107, .12);
}
.card.has-bg .icon-box.ic-fill i { color: var(--primary); }
/* 整行大卡片：照片在右、文字在左 */
.card-wide .card-bgimg { filter: blur(8px) saturate(1.12); transform: scale(1.1); }
.card-wide.has-bg::after {
  background: linear-gradient(90deg,
    rgba(255,255,255,.93) 0%,
    rgba(255,255,255,.78) 45%,
    rgba(255,255,255,.28) 100%);
}
.card-wide.has-bg:hover::after {
  background: linear-gradient(90deg,
    rgba(255,255,255,.88) 0%,
    rgba(255,255,255,.62) 45%,
    rgba(255,255,255,.12) 100%);
}
.card h3 { font-size: 19px; margin-bottom: 10px; color: var(--dark); }
.card p { color: var(--gray); font-size: 14.5px; }

/* 通栏横向卡片（如核心服务 - 市政工程） */
.grid-3 .card-wide {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
  text-align: left;
  padding: 34px 36px;
}
.card-wide .icon-box { margin-bottom: 0; flex-shrink: 0; }
.card-wide h3 { margin-bottom: 6px; }
.card-wide p { max-width: 780px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

/* ---------- 价值卡片数据点 ---------- */
.card-chip {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  color: #8a6a2c;
  background: var(--accent-light);
}

/* ---------- 数据统计条 ---------- */
.stats-bar {
  background: linear-gradient(120deg, #08182e, #12386b);
  padding: 68px 0;
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(201,164,92,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(201,164,92,.05) 1px, transparent 1px);
  background-size: 44px 44px;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.stat-item { text-align: center; color: #fff; }
.stat-item .num { font-size: clamp(36px, 4vw, 50px); font-weight: 800; }
.stat-item .num i { font-style: normal; color: var(--accent); font-size: .6em; margin-left: 3px; }
.stat-item .label { color: rgba(255,255,255,.66); font-size: 14px; margin-top: 4px; }

/* ---------- 占位图 ---------- */
.img-ph {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, #eef2f8 0%, #dde6f1 50%, #efe4cc 100%);
  display: grid;
  place-items: center;
  color: var(--primary);
  font-weight: 700;
  aspect-ratio: 16 / 10;
}
.img-ph::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(18,56,107,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(18,56,107,.05) 1px, transparent 1px);
  background-size: 34px 34px;
}
.img-ph .ph-text { position: relative; z-index: 1; text-align: center; font-size: 15px; }
.img-ph .ph-text small { display: block; font-weight: 400; font-size: 12px; color: var(--gray); margin-top: 4px; }

/* ---------- 案例 ---------- */
.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  transition: transform .4s, box-shadow .4s;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.case-card .img-ph { border-radius: 0; aspect-ratio: 16 / 10; }
.case-card .img-ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.case-card:hover .img-ph img { transform: scale(1.06); }
.case-info { padding: 22px 24px; }
.case-info .cat {
  display: inline-block; font-size: 12px; padding: 3px 12px;
  border-radius: 999px; background: var(--accent-light); color: #8a6a2c;
  margin-bottom: 10px; font-weight: 700;
}
.case-info h3 { font-size: 17px; }
.case-info p { color: var(--gray); font-size: 13.5px; margin-top: 6px; }

.filter-bar { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.filter-btn {
  padding: 9px 26px; border-radius: 999px; border: 1.5px solid var(--border);
  background: #fff; color: var(--gray); cursor: pointer; font-size: 14px;
  transition: all .3s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: #fff; border-color: transparent;
  box-shadow: 0 8px 18px rgba(18, 56, 107, .25);
}

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 30px; left: 8%; right: 8%;
  height: 2px; background: linear-gradient(90deg, transparent, var(--accent), var(--primary), transparent);
}
.step { text-align: center; position: relative; padding: 30px 12px; }
.step .no {
  width: 62px; height: 62px; margin: 0 auto 16px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 21px; font-weight: 800;
  background: #fff; color: var(--primary);
  border: 2px solid var(--accent);
  box-shadow: 0 6px 18px rgba(18,56,107,.1);
  position: relative; z-index: 2;
  transition: all .35s;
}
.step:hover .no {
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  color: #fff; border-color: transparent; transform: scale(1.12);
}
.step h4 { font-size: 16px; margin-bottom: 6px; color: var(--dark); }
.step p { font-size: 13px; color: var(--gray); }

/* ---------- 表单 ---------- */
.form-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 44px;
  box-shadow: var(--shadow);
}
.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; margin-bottom: 8px; }
.form-group label i { color: #e0564b; font-style: normal; }
.form-control {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 14.5px;
  font-family: var(--font);
  color: var(--dark);
  background: var(--gray-light);
  transition: all .3s;
  outline: none;
}
.form-control:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(18, 56, 107, .1); }
textarea.form-control { resize: vertical; min-height: 120px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; top: 90px; left: 50%;
  transform: translate(-50%, -20px);
  background: var(--dark); color: #fff;
  padding: 14px 28px; border-radius: 12px;
  font-size: 14.5px; z-index: 2000;
  opacity: 0; pointer-events: none;
  transition: all .4s cubic-bezier(.2,.7,.3,1);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast .ok { color: #4ade80; margin-right: 8px; }

/* ---------- 招聘 ---------- */
.job-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 34px;
  transition: all .35s;
}
.job-card:hover { border-color: rgba(18,56,107,.3); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.job-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.job-head h3 { font-size: 19px; }
.job-salary { color: var(--primary); font-weight: 700; }
.job-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.job-tags span { font-size: 12.5px; padding: 4px 12px; background: var(--gray-light); border-radius: 6px; color: var(--gray); }
.job-card .detail { color: var(--gray); font-size: 14px; }
.job-card .detail li { margin-bottom: 6px; padding-left: 18px; position: relative; }
.job-card .detail li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- 时间线 ---------- */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 32px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.tl-item { position: relative; padding: 0 0 40px 30px; }
.tl-item::before {
  content: ""; position: absolute; left: -31px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--primary);
  box-shadow: 0 0 0 5px rgba(18,56,107,.12);
}
.tl-item .year { font-weight: 800; color: var(--primary); font-size: 18px; }
.tl-item p { color: var(--gray); font-size: 14.5px; margin-top: 4px; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(120deg, #08182e, #12386b);
  border-radius: 22px;
  padding: 66px 58px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: ""; position: absolute; right: -80px; top: -80px;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,164,92,.4), transparent 70%);
}
.cta h2 { font-size: clamp(22px, 2.8vw, 32px); font-weight: 800; }
.cta p { color: rgba(255,255,255,.74); margin-top: 8px; }

/* ---------- CTA 通栏横幅（消除两侧留白，衔接统计条与页脚） ---------- */
.cta-band {
  padding: 88px 0;
  background: linear-gradient(120deg, #08182e, #12386b);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(201,164,92,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(201,164,92,.05) 1px, transparent 1px);
  background-size: 44px 44px;
}
.cta-band .cta {
  background: none;
  border-radius: 0;
  padding: 0;
  position: relative;
}
.cta-band .cta::before { display: none; }

/* ---------- 合作方 动态网状图 ---------- */
.partner-net {
  position: relative;
  width: 100%;
  height: 580px;
  border-radius: 18px;
  background: radial-gradient(ellipse at center, #fbfdff 0%, #f1f6fc 72%);
  border: 1px solid var(--border);
  overflow: hidden;
  touch-action: none;      /* 拖拽节点时不滚动页面 */
  cursor: default;
  user-select: none;
}
.partner-net canvas { position: absolute; inset: 0; display: block; }
.net-layer { position: absolute; inset: 0; }
.net-node {
  position: absolute;
  left: 0; top: 0;
  width: 76px; height: 76px;
  border-radius: 50%;
  background: #fff;
  border: 1.6px solid rgba(18, 56, 107, .3);
  box-shadow: 0 6px 16px rgba(18, 56, 107, .1);
  display: grid;
  place-items: center;
  cursor: grab;
  transition: background .25s, border-color .25s, box-shadow .25s, opacity .5s;
  will-change: transform;
}
.net-node i { font-size: 25px; color: var(--primary); transition: color .25s; pointer-events: none; }
/* 合作方 logo：完整显示，不裁切 */
.net-node img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 11px;
  box-sizing: border-box;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
}
.net-node span {
  position: absolute;
  top: 100%;
  margin-top: 7px;
  font-size: 13px;
  color: var(--gray);
  white-space: nowrap;
  transition: color .25s, font-weight .25s;
  pointer-events: none;
}
.net-node em {
  position: absolute;
  bottom: 100%;
  margin-bottom: 8px;
  padding: 5px 11px;
  border-radius: 8px;
  background: rgba(8, 24, 46, .92);
  color: #fff;
  font-size: 12px;
  font-style: normal;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  transition: all .28s;
  pointer-events: none;
}
.net-node:hover em, .net-node.on em { opacity: 1; transform: translateY(0); }
.net-node.on {
  background: linear-gradient(135deg, #12386b, #1c4d8c);
  border-color: #c9a45c;
  box-shadow: 0 10px 26px rgba(18, 56, 107, .32);
  cursor: grabbing;
}
.net-node.on i { color: #e8d9b4; }
.net-node.on span { color: var(--primary); font-weight: 700; }
/* 有照片的节点：悬停不填充底色，改为金色描边 */
.net-node.has-img.on {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201, 164, 92, .35), 0 10px 26px rgba(18, 56, 107, .25);
}
.net-node.has-img.on span { color: var(--primary); font-weight: 700; }
.partner-net.dragging .net-node { cursor: grabbing; }
.partner-net-hint {
  text-align: center;
  font-size: 13px;
  color: var(--gray);
  margin-top: 16px;
}
.partner-net-hint i { color: var(--accent); margin-right: 5px; }
@media (max-width: 860px) {
  .partner-net { height: 500px; }
  .net-node { width: 62px; height: 62px; }
  .net-node img { padding: 9px; }
  .net-node i { font-size: 21px; }
  .net-node span { font-size: 12px; }
}
@media (max-width: 560px) {
  .partner-net { height: 440px; }
  .net-node { width: 52px; height: 52px; }
  .net-node img { padding: 7px; }
  .net-node i { font-size: 18px; }
}

/* ---------- 页脚 ---------- */
.footer { background: #08182e; color: rgba(255,255,255,.7); padding: 72px 0 0; margin-top: 96px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 44px; padding-bottom: 48px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer h4::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 26px; height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.footer .logo-text { color: #fff; }
.footer-desc { font-size: 13.5px; margin-top: 16px; color: rgba(255,255,255,.5); }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.6); transition: all .3s; }
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 14px; align-items: flex-start; }
.footer-contact .ic { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* ---------- 浮动联系按钮 ---------- */
.float-bar {
  position: fixed; right: 22px; bottom: 120px; z-index: 900;
  display: flex; flex-direction: column; gap: 12px;
}
.float-btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: #fff; border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-size: 20px; cursor: pointer;
  transition: all .3s;
  position: relative;
}
.float-btn:hover { background: var(--primary); transform: translateY(-3px); }
.float-btn .tip {
  position: absolute; right: 64px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: var(--dark); color: #fff; font-size: 13px;
  padding: 7px 14px; border-radius: 8px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: all .3s;
}
.float-btn:hover .tip { opacity: 1; transform: translateY(-50%) translateX(0); }

/* ---------- 滚动渐入动画 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: all .8s cubic-bezier(.2,.7,.3,1); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: all .8s cubic-bezier(.2,.7,.3,1); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-zoom { opacity: 0; transform: scale(.92); transition: all .7s cubic-bezier(.2,.7,.3,1); }
.reveal-zoom.visible { opacity: 1; transform: scale(1); }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; }
.d4 { transition-delay: .4s; } .d5 { transition-delay: .5s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: 76px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 5%; gap: 4px;
    box-shadow: 0 20px 40px rgba(20,36,58,.12);
    transform: translateY(-130%); transition: transform .4s cubic-bezier(.2,.7,.3,1);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 14px; border-radius: 10px; }
  .nav-links a:hover, .nav-links a.active { background: var(--gray-light); }
  .nav-links a::after { display: none; }
  .nav-toggle { display: block; }
  .nav-phone { display: none; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 .card-wide { display: block; }
  .grid-3 .card-wide .icon-box { margin-bottom: 18px; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .hero-stats { gap: 0; }
  .hero-stat { padding: 0 18px; }
  .section { padding: 70px 0; }
  .cta { padding: 44px 30px; }
  .cta-band .cta { padding: 0; }
  .cta-band { padding: 64px 0; }
  .float-bar { right: 14px; bottom: 90px; }
}
@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .form-box { padding: 30px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- 智能客服组件 ---------- */
.chat-launcher {
  position: fixed;
  right: 22px;
  bottom: 34px;
  z-index: 950;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(18, 56, 107, .45);
  transition: transform .3s;
}
.chat-launcher:hover { transform: scale(1.08); }
.chat-launcher:active { transform: scale(1.02); }
.chat-launcher-icon { font-size: 26px; }
.chat-launcher::before {
  content: "";
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(201, 164, 92, .55);
  animation: chatRing 2.2s ease-out infinite;
}
@keyframes chatRing {
  0% { transform: scale(.9); opacity: 1; }
  100% { transform: scale(1.35); opacity: 0; }
}
.chat-launcher-tip {
  position: absolute; right: 70px; top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--dark); color: #fff;
  font-size: 13px; padding: 7px 14px;
  border-radius: 8px; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: all .3s;
}
.chat-launcher:hover .chat-launcher-tip { opacity: 1; transform: translateY(-50%) translateX(0); }

.chat-panel {
  position: fixed;
  right: 22px;
  bottom: 104px;
  z-index: 960;
  width: 370px;
  height: 540px;
  max-height: calc(100vh - 140px);
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 24px 64px rgba(8, 24, 46, .3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px) scale(.96);
  pointer-events: none;
  transition: all .35s cubic-bezier(.2,.7,.3,1);
}
.chat-panel.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

.chat-header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px;
  background: linear-gradient(120deg, #08182e, #12386b);
  color: #fff;
}
.chat-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255, 255, 255, .15);
  display: grid; place-items: center; font-size: 22px;
}
.chat-title { font-weight: 700; font-size: 15px; }
.chat-status { font-size: 12px; color: rgba(255, 255, 255, .7); display: flex; align-items: center; gap: 5px; }
.chat-dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 6px #4ade80; }
.chat-close {
  margin-left: auto;
  background: none; border: none; color: rgba(255, 255, 255, .8);
  font-size: 16px; cursor: pointer; padding: 4px 8px; border-radius: 8px;
}
.chat-close:hover { background: rgba(255, 255, 255, .15); }

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 16px;
  background: var(--gray-light);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.chat-msg { display: flex; gap: 8px; align-items: flex-start; }
.chat-msg-user { flex-direction: row-reverse; }
.chat-msg-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: #fff; box-shadow: var(--shadow);
  display: grid; place-items: center; font-size: 16px;
  flex-shrink: 0;
}
.chat-bubble {
  max-width: 76%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-line;
  background: #fff;
  border: 1px solid var(--border);
  border-top-left-radius: 4px;
}
.chat-msg-user .chat-bubble {
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  color: #fff;
  border: none;
  border-radius: 14px;
  border-top-right-radius: 4px;
}
.chat-typing span {
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--gray);
  margin-right: 4px;
  animation: chatTyping 1.2s infinite;
}
.chat-typing span:nth-child(2) { animation-delay: .2s; }
.chat-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes chatTyping { 0%,60%,100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }

.chat-quick {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 0 14px;
  background: var(--gray-light);
}
.chat-quick:not(:empty) { padding-bottom: 12px; }
.chat-chip {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(18, 56, 107, .32);
  background: #fff;
  color: var(--primary);
  font-size: 12.5px;
  cursor: pointer;
  transition: all .25s;
}
.chat-chip:hover { background: var(--primary); color: #fff; }

.chat-callbar {
  display: flex; align-items: center; justify-content: center;
  padding: 10px 14px 2px; background: var(--gray-light);
}
.chat-call-btn {
  display: block; text-align: center;
  padding: 10px 16px; border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  color: #fff !important; font-size: 14px; font-weight: 700; text-decoration: none;
  transition: all .25s;
}
.chat-call-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(18, 56, 107, .3); }
.chat-bubble .chat-call-btn { margin-top: 8px; }

.chat-input-bar {
  display: flex; gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: #fff;
}
.chat-input {
  flex: 1;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  outline: none;
  font-family: var(--font);
  transition: border-color .3s;
}
.chat-input:focus { border-color: var(--primary); }
.chat-send {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: transform .25s;
}
.chat-send:hover:not(:disabled) { transform: scale(1.08); }
.chat-send:disabled { opacity: .5; cursor: not-allowed; }

@media (max-width: 560px) {
  .chat-panel {
    right: 0; bottom: 0;
    width: 100%; height: 100%;
    max-height: none;
    border-radius: 0;
  }
  .chat-launcher { right: 14px; bottom: 22px; }
}

/* ---------- 无障碍：减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

.footer-bottom a{color:rgba(255,255,255,.6);text-decoration:none}
.footer-bottom a:hover{color:var(--accent);text-decoration:underline}