/* ============================================================
   美迪政企官网 · 全局样式 v2
   配色升级：品牌亮蓝 #2e6be0（参考 mede.com.cn）
   头部：工具条 + Logo/搜索/电话 + 蓝色导航条（三层）
   适配：桌面 / 平板 / 移动端（自动响应式）
   ============================================================ */

:root {
  --brand: #2e6be0;       /* 主色：品牌亮蓝 */
  --brand-deep: #1d55c0;  /* 主色深一档：hover / 渐变 */
  --navy: #1a3a6e;        /* 标题深蓝（文字用） */
  --navy-deep: #0f2a52;   /* 页脚深蓝 */
  --blue: #2e6be0;        /* 链接蓝 */
  --gold: #b58a3c;        /* 点缀金：高端细节 */
  --gold-light: #d9b978;
  --ink: #1f2d3d;         /* 正文深灰 */
  --muted: #5a6c7d;       /* 次要文字 */
  --bg-light: #f6f8fb;    /* 浅灰衬底 */
  --bg-soft: #eef3f9;
  --border: #e3e9f1;
  --white: #ffffff;
  --shadow: 0 6px 24px rgba(29, 85, 192, .08);
  --shadow-lg: 0 12px 40px rgba(29, 85, 192, .14);
  --radius: 6px;
  --maxw: 1200px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--white);
}

img, svg { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-deep); }
ul, ol { padding-left: 1.2em; }

/* ---------- 版式 ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { color: var(--navy); font-weight: 600; line-height: 1.35; letter-spacing: .01em; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }

.section { padding: 88px 0; }
.section.alt { background: var(--bg-light); }
/* 首页蓝色板块：与灰色板块交替，增强内容区分 */
.section.band-blue { background: linear-gradient(180deg, #0a63bd, #0067c1); }
.band-blue .sec-kicker { color: rgba(255,255,255,.75); }
.band-blue .sec-title, .band-blue .sec-head h2 { color: #fff; }
.band-blue .sec-head p { color: rgba(255,255,255,.85); }

.sec-kicker {
  display: inline-block;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.sec-head { max-width: 760px; margin-bottom: 48px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head p { color: var(--muted); margin-top: 14px; font-size: 1.02rem; }

.sec-title { position: relative; padding-left: 18px; }
.sec-title::before {
  content: ""; position: absolute; left: 0; top: .22em; bottom: .22em;
  width: 4px; background: linear-gradient(180deg, var(--gold), var(--brand));
  border-radius: 2px;
}
.sec-head.center .sec-title { padding-left: 0; }
.sec-head.center .sec-title::before { display: none; }
.sec-head.center .sec-title::after {
  content: ""; display: block; width: 56px; height: 3px; margin: 18px auto 0;
  background: linear-gradient(90deg, var(--brand), transparent); border-radius: 2px;
}

/* ---------- 头部：三层结构 ---------- */
/* 第一层：工具条 */
.topbar {
  background: #f7f7f7; border-bottom: 1px solid var(--border);
  color: var(--muted); font-size: .8rem; padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar-links { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; flex-wrap: wrap; }
.topbar-links a { color: var(--muted); }
.topbar-links a:hover { color: var(--brand); }

/* 第二层：Logo + 搜索 + 电话 */
.masthead { background: #fff; }
.masthead .container { display: flex; align-items: center; gap: 28px; padding-top: 18px; padding-bottom: 18px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--brand), #4a86ec);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 700; letter-spacing: .02em;
  box-shadow: inset 0 0 0 1px rgba(217,185,120,.55), 0 4px 12px rgba(29,85,192,.3);
}
.brand-text { line-height: 1.2; }
.brand-text .cn { font-size: 1.3rem; font-weight: 700; color: var(--navy); letter-spacing: .12em; }
.brand-text .en { font-size: .66rem; letter-spacing: .22em; color: var(--muted); text-transform: uppercase; }

.head-search {
  flex: 1; max-width: 560px; margin: 0 auto; display: flex;
  border: 2px solid #0a5ebd; border-radius: 4px; overflow: hidden; background: #fff;
}
.head-search input {
  flex: 1; min-width: 0; border: 0; padding: 10px 14px;
  font-size: .9rem; font-family: var(--font); outline: none; color: var(--ink);
}
.head-search input::placeholder { color: #9aa8b8; }
.head-search button {
  background: #0a5ebd; color: #fff; border: 0; padding: 0 28px;
  font-size: .92rem; cursor: pointer; font-family: var(--font); transition: .2s;
}
.head-search button:hover { background: #0c4698; }

.head-phone { margin-left: auto; text-align: left; line-height: 1.35; flex-shrink: 0; }
.head-phone .hp-label { display: block; font-size: .74rem; color: var(--muted); }
.head-phone .hp-num { font-size: 1.55rem; font-weight: 700; color: var(--brand); letter-spacing: .02em; white-space: nowrap; }
.head-phone .hp-num:hover { color: var(--brand-deep); }

/* 第三层：蓝色主导航条（参考 mede.com.cn：#0c4698 通栏 + #0078e0 选中高亮） */
.nav-bar {
  background: #0c4698; position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(12, 70, 152, .32);
}
.nav-bar .container { display: flex; }
.main-nav { display: flex; align-items: stretch; flex: 1; }
.main-nav > li { list-style: none; flex: 1; text-align: center; }
.main-nav a {
  display: block; padding: 15px 8px; color: #fff; font-size: .98rem; white-space: nowrap;
}
.main-nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.main-nav a.active { background: #0078e0; color: #fff; font-weight: 600; }

/* 移动端菜单按钮 */
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; background: none; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; flex-shrink: 0; }
.nav-toggle span { display: block; height: 2px; background: var(--brand); border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(46,107,224,.12), transparent 60%),
    radial-gradient(700px 360px at -5% 110%, rgba(181,138,60,.10), transparent 60%),
    linear-gradient(180deg, #f8fafd 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
  padding: 92px 0 72px;
}
.hero .container { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--gold); color: var(--gold);
  font-size: .8rem; letter-spacing: .18em; padding: 6px 16px; border-radius: 999px;
  margin-bottom: 22px; background: rgba(181,138,60,.06);
}
.hero h1 { font-size: 2.9rem; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero .lead { font-size: 1.08rem; color: var(--muted); max-width: 560px; margin-bottom: 34px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 34px; border-radius: 4px; font-size: 1rem; font-weight: 500;
  transition: .2s; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(46,107,224,.28); }
.btn-primary:hover { background: var(--brand-deep); color: #fff; transform: translateY(-2px); }
.btn-ghost { border-color: var(--brand); color: var(--brand); background: transparent; }
.btn-ghost:hover { background: var(--brand); color: #fff; }
.btn-gold { background: linear-gradient(135deg, var(--gold), #9c7430); color: #fff; }
.btn-gold:hover { filter: brightness(1.08); color: #fff; transform: translateY(-2px); }

.hero-contact {
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 36px 34px; box-shadow: var(--shadow-lg);
}
.hero-contact h2 { font-size: 1.15rem; margin-bottom: 6px; }
.hero-contact .hc-sub { font-size: .85rem; color: var(--muted); margin-bottom: 18px; }
.hero-phone {
  display: block; font-size: 2rem; font-weight: 700; color: var(--brand);
  letter-spacing: .02em; margin-bottom: 4px;
}
.hero-phone:hover { color: var(--brand-deep); }
.hero-note { font-size: .82rem; color: var(--muted); }
.hero-contact ul { list-style: none; padding: 0; margin-top: 20px; border-top: 1px dashed var(--border); padding-top: 18px; }
.hero-contact li { font-size: .88rem; color: var(--muted); padding: 4px 0 4px 22px; position: relative; }
.hero-contact li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

/* ---------- 数据条 ---------- */
.stat-band { background: linear-gradient(135deg, #0c4698, #0a3d80); color: #fff; padding: 44px 0; border-top: 3px solid var(--gold); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item .num { font-size: 2.3rem; font-weight: 700; color: var(--gold-light); line-height: 1.2; }
.stat-item .num small { font-size: 1.1rem; font-weight: 600; }
.stat-item .label { font-size: .9rem; color: rgba(255,255,255,.8); margin-top: 6px; letter-spacing: .06em; }

/* ---------- 卡片与网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 30px; transition: .25s; position: relative; overflow: hidden;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: #c4d4ee; }
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), transparent); opacity: 0; transition: .25s;
}
.card:hover::before { opacity: 1; }

.card .ico {
  width: 52px; height: 52px; border-radius: 8px; margin-bottom: 20px;
  background: var(--bg-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.card .ico svg { width: 26px; height: 26px; stroke: var(--brand); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .92rem; }
.card .more { display: inline-block; margin-top: 16px; font-size: .88rem; font-weight: 600; color: var(--brand); }

.card .tag {
  display: inline-block; font-size: .74rem; font-weight: 600; letter-spacing: .08em;
  color: var(--gold); border: 1px solid var(--gold); border-radius: 999px;
  padding: 2px 12px; margin-bottom: 14px;
}

/* 列表卡片（资讯/动态） */
.list-card { display: flex; gap: 20px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 26px; transition: .2s; align-items: flex-start; }
.list-card:hover { box-shadow: var(--shadow); border-color: #c4d4ee; }
.list-card time {
  flex-shrink: 0; width: 76px; text-align: center; border-right: 1px solid var(--border);
  padding-right: 18px; line-height: 1.3;
}
.list-card time .d { display: block; font-size: 1.5rem; font-weight: 700; color: var(--brand); }
.list-card time .m { font-size: .74rem; color: var(--muted); letter-spacing: .1em; }
.list-card h3 { font-size: 1.06rem; margin-bottom: 6px; }
.list-card h3 a { color: var(--navy); }
.list-card h3 a:hover { color: var(--brand); }
.list-card p { font-size: .88rem; color: var(--muted); }
.list-card .cat-tag {
  display: inline-block; font-size: .74rem; font-weight: 600; color: var(--brand);
  background: var(--bg-soft); border-radius: 4px; padding: 2px 10px; margin-bottom: 8px;
}

/* ---------- 资讯页左右版式 ---------- */
.news-layout { display: grid; grid-template-columns: 1fr 330px; gap: 40px; align-items: start; }
.news-main .list-card { margin-bottom: 18px; }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.filter-btn {
  padding: 8px 20px; border: 1px solid var(--border); border-radius: 999px;
  background: #fff; color: var(--ink); font-size: .88rem; cursor: pointer; font-family: var(--font); transition: .2s;
}
.filter-btn:hover { border-color: var(--brand); color: var(--brand); }
.filter-btn.active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 右侧模块 */
.side-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px; margin-bottom: 24px;
}
.side-card h3 {
  font-size: 1.02rem; margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--brand); position: relative;
}
.side-card ul { list-style: none; padding: 0; margin: 0; }
.side-card li { padding: 9px 0; border-bottom: 1px dashed var(--border); font-size: .9rem; display: flex; justify-content: space-between; gap: 10px; }
.side-card li:last-child { border-bottom: 0; }
.side-card li a { color: var(--ink); flex: 1; }
.side-card li a:hover { color: var(--brand); }
.side-card li .side-date { color: var(--muted); font-size: .78rem; white-space: nowrap; }
.side-card .side-num { font-style: normal; color: var(--brand); font-weight: 700; margin-right: 8px; }

.cat-links { list-style: none; padding: 0; margin: 0; }
.cat-links li { border-bottom: 1px dashed var(--border); }
.cat-links a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 2px; color: var(--ink); font-size: .92rem;
}
.cat-links a:hover, .cat-links a.active { color: var(--brand); font-weight: 600; }
.cat-links .cnt { font-size: .76rem; color: var(--muted); background: var(--bg-light); border-radius: 999px; padding: 1px 10px; }

.tag-cloud a {
  display: inline-block; font-size: .8rem; padding: 4px 14px;
  background: var(--bg-light); border-radius: 999px; margin: 0 6px 10px 0; color: var(--muted);
}
.tag-cloud a:hover { background: var(--brand); color: #fff; }

.side-contact { background: linear-gradient(160deg, var(--brand), var(--brand-deep)); color: #fff; border: 0; }
.side-contact h3 { color: #fff; border-bottom-color: rgba(255,255,255,.35); }
.side-contact p { font-size: .84rem; color: rgba(255,255,255,.85); margin-bottom: 8px; }
.side-contact .side-tel { display: block; font-size: 1.4rem; font-weight: 700; color: #fff; margin: 6px 0 14px; }
.side-contact .btn-gold { width: 100%; padding: 12px 0; font-size: .95rem; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 560px; }
thead th { background: var(--brand); color: #fff; text-align: left; padding: 14px 18px; font-weight: 600; white-space: nowrap; }
tbody td { padding: 13px 18px; border-top: 1px solid var(--border); color: var(--ink); vertical-align: top; }
tbody tr:nth-child(even) { background: var(--bg-light); }
tbody tr:hover { background: var(--bg-soft); }

/* ---------- 步骤流程 ---------- */
.steps { counter-reset: step; display: grid; gap: 22px; grid-template-columns: repeat(4, 1fr); }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: inline-block; font-size: 1.6rem; font-weight: 700; color: var(--gold);
  font-variant-numeric: tabular-nums; margin-bottom: 12px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: .88rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.faq-item summary {
  cursor: pointer; padding: 18px 24px; font-weight: 600; color: var(--navy);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--brand); flex-shrink: 0; font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-item[open] summary { border-bottom: 1px solid var(--border); background: var(--bg-light); }
.faq-item .faq-a { padding: 18px 24px; color: var(--ink); font-size: .94rem; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(135deg, #0c4698, #0a5ebd 60%, #0c4698);
  color: #fff; padding: 72px 0; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  border: 1px solid rgba(217,185,120,.35); border-radius: 50%;
}
.cta-band .container { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p { color: rgba(255,255,255,.82); max-width: 560px; }
.cta-band p a { color: #fff; font-weight: 700; text-decoration: underline; }
.cta-band .btn-gold { padding: 16px 40px; font-size: 1.05rem; }

/* ---------- 面包屑 ---------- */
.crumbs { background: var(--bg-light); border-bottom: 1px solid var(--border); padding: 14px 0; font-size: .84rem; color: var(--muted); }
.crumbs ol { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; margin: 0; padding: 0; }
.crumbs li + li::before { content: "/"; color: var(--gold); margin-right: 8px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--brand); }
.crumbs [aria-current] { color: var(--navy); font-weight: 600; }

/* ---------- 页头（内页 Hero） ---------- */
/* 栏目页横幅：参考 mede.com.cn「关于美迪」深蓝底 + 居中白字 + 描述框线（实测底色 #0067c1） */
.page-hero {
  background: linear-gradient(180deg, #0a63bd, #0067c1);
  padding: 58px 0 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .sec-kicker { display: none; } /* 英文小字取消，只保留中文标题 */
.page-hero h1 { color: #fff; font-size: 2.5rem; letter-spacing: .06em; margin-bottom: 20px; }
.page-hero .desc {
  color: rgba(255,255,255,.94);
  max-width: 760px; margin: 0 auto;
  display: inline-block;
  border: 1px solid rgba(255,255,255,.65);
  padding: 14px 34px;
  line-height: 1.9;
  font-size: 1rem;
}
.page-hero .desc a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 正文区块 ---------- */
.prose { max-width: 820px; }
.prose h2 { font-size: 1.5rem; margin: 2em 0 .8em; }
.prose h3 { font-size: 1.2rem; margin: 1.6em 0 .6em; }
.prose p { margin-bottom: 1em; color: var(--ink); }
.prose ul li, .prose ol li { margin-bottom: .5em; }

.quote {
  border-left: 3px solid var(--gold); background: var(--bg-light);
  padding: 20px 26px; border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--navy); font-size: .98rem; margin: 1.4em 0;
}

/* 团队 / 案例卡片 */
.person { text-align: left; }
.person .avatar {
  width: 84px; height: 84px; border-radius: 50%; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--brand), #4a86ec); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700; letter-spacing: .05em;
  box-shadow: inset 0 0 0 2px rgba(217,185,120,.5);
}
.person h3 { margin-bottom: 2px; }
.person .role { font-size: .82rem; color: var(--gold); font-weight: 600; letter-spacing: .06em; margin-bottom: 10px; }
.person p { font-size: .88rem; }

.case-card .kpi { display: flex; gap: 24px; margin-top: 18px; border-top: 1px dashed var(--border); padding-top: 16px; }
.case-card .kpi div { flex: 1; }
.case-card .kpi .v { font-size: 1.35rem; font-weight: 700; color: var(--brand); }
.case-card .kpi .k { font-size: .74rem; color: var(--muted); }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.contact-item .ico { width: 44px; height: 44px; flex-shrink: 0; border-radius: 8px; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; }
.contact-item .ico svg { width: 22px; height: 22px; stroke: var(--brand); }
.contact-item h3 { font-size: 1rem; margin-bottom: 4px; }
.contact-item p { font-size: .9rem; color: var(--muted); }
.contact-item a.tel { font-size: 1.15rem; font-weight: 700; color: var(--brand); }

.form { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 36px; box-shadow: var(--shadow); }
.form h3 { margin-bottom: 20px; }
.form label { display: block; font-size: .86rem; font-weight: 600; color: var(--navy); margin: 14px 0 6px; }
.form .req { color: #c0392b; }
.form input, .form select, .form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 4px;
  font-size: .95rem; font-family: var(--font); background: #fff; transition: .2s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(46,107,224,.14); }
.form textarea { min-height: 110px; resize: vertical; }
.form .btn { margin-top: 24px; width: 100%; }
.form .privacy { font-size: .76rem; color: var(--muted); margin-top: 12px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.72); padding: 72px 0 0; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; letter-spacing: .06em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255,255,255,.72); }
.site-footer a:hover { color: var(--gold-light); }
.footer-brand .brand-text .cn { color: #fff; }
.footer-brand .brand-text .en { color: rgba(255,255,255,.45); }
.footer-brand p { margin-top: 18px; font-size: .86rem; line-height: 1.8; }
.footer-contact .tel-big { display: block; font-size: 1.5rem; font-weight: 700; color: var(--gold-light); margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; font-size: .78rem; color: rgba(255,255,255,.45); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* 回到顶部 */
.to-top {
  position: fixed; right: 22px; bottom: 26px; width: 44px; height: 44px;
  border: 1px solid var(--border); background: #fff; color: var(--brand);
  border-radius: 6px; cursor: pointer; box-shadow: var(--shadow);
  display: none; align-items: center; justify-content: center; font-size: 1.1rem; z-index: 90;
}
.to-top.show { display: flex; }
.to-top:hover { background: var(--brand); color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.3rem; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav a { padding: 15px 12px; font-size: .92rem; }
  .news-layout { grid-template-columns: 1fr 300px; gap: 28px; }
}

@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .topbar .container { justify-content: center; text-align: center; }
  .topbar-links { display: none; }

  .masthead .container { flex-wrap: wrap; gap: 14px; }
  .head-search { display: none; }
  .head-phone { margin-left: auto; }
  .head-phone .hp-num { font-size: 1.2rem; }

  .nav-bar { position: static; }
  .nav-bar .container { justify-content: flex-start; padding: 0; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--brand); flex-direction: column; align-items: stretch;
    box-shadow: var(--shadow-lg); max-height: 70vh; overflow-y: auto; z-index: 99;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 24px; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,.12); text-align: center; }

  /* 导航条静态定位时，下拉需要相对页面定位 */
  .nav-bar { position: relative; }

  .hero .container { grid-template-columns: 1fr; gap: 36px; padding: 0 24px; }
  .hero { padding: 56px 0 48px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-phone { font-size: 1.6rem; }
  .section { padding: 56px 0; }
  h2 { font-size: 1.5rem; }
  .page-hero { padding: 44px 0 40px; }
  .page-hero h1 { font-size: 1.7rem; margin-bottom: 14px; }
  .page-hero::before, .page-hero::after { display: none; }
  .page-hero .desc { padding: 10px 18px; font-size: .92rem; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .steps { grid-template-columns: 1fr; }
  .list-card { flex-direction: column; gap: 10px; }
  .list-card time { border-right: 0; border-bottom: 1px solid var(--border); padding: 0 0 8px; width: auto; display: flex; gap: 6px; align-items: baseline; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero h1 { font-size: 1.55rem; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .stat-item .num { font-size: 1.8rem; }
  .form { padding: 24px 18px; }
  .brand-text .cn { font-size: 1.1rem; }
  .head-phone .hp-label { display: none; }
}

/* 无障碍：跳转链接 */
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--brand); color: #fff;
  padding: 10px 18px; z-index: 200; border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

/* 打印 */
@media print {
  .topbar, .masthead, .nav-bar, .to-top, .cta-band, .site-footer, .nav-toggle { display: none !important; }
  body { font-size: 12pt; }
}

/* ---- 品牌 Logo 图片 ---- */
.brand-logo { height: 52px; width: auto; display: block; }
.footer-brand .brand-logo {
  background: #fff; border-radius: 8px; padding: 8px 14px; height: 48px;
}
@media (max-width: 768px) {
  .brand-logo { height: 40px; }
  .footer-brand .brand-logo { height: 38px; padding: 6px 10px; }
}

/* ---- CTA 灰底留资表单 ---- */
.cta-band.cta-gray { background: var(--bg-light); }
.cta-gray::after { display: none; }
.cta-gray h2 { color: var(--navy); }
.cta-gray p { color: var(--muted); }
.cta-gray p a { color: var(--blue); }
.cta-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.cta-points { list-style: none; margin: 20px 0 0; padding: 0; }
.cta-points li { position: relative; padding-left: 24px; margin-bottom: 9px; color: var(--ink); font-size: .95rem; }
.cta-points li::before { content: "\2713"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 700; }
.cta-form {
  background: #fff; border-radius: var(--radius); padding: 30px 30px 20px;
  box-shadow: 0 14px 40px rgba(13, 43, 82, .10);
}
.ff-row { margin-bottom: 14px; }
.ff-row label { display: block; font-size: .85rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.ff-row input, .ff-row select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-family: var(--font); font-size: .95rem; color: var(--ink); background: #fff;
}
.ff-row input:focus, .ff-row select:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(46, 107, 224, .15);
}
.cta-form .btn { width: 100%; padding: 14px 0; font-size: 1.02rem; }
.cta-privacy { font-size: .76rem; color: var(--muted); margin-top: 10px; text-align: center; }
@media (max-width: 820px) {
  .cta-grid { grid-template-columns: 1fr; gap: 30px; }
}
.lead-success { text-align: center; color: var(--brand-deep); font-weight: 600; padding: 24px 0; line-height: 1.9; }