/* ============================================================
   鲸鱼灵工官方网站 - 样式表
   设计基调：参考身边云蓝色商务风格，融入鲸鱼海洋蓝青色系形成辨识度
   ============================================================ */

:root {
  /* 品牌主色：深海鲸蓝 */
  --primary: #0b3d91;
  --primary-dark: #082b6b;
  --primary-deeper: #051d4d;
  --accent: #1e6fff;
  --accent-light: #4d8dff;
  /* 海洋青：鲸鱼辨识度 */
  --ocean: #06b6d4;
  --ocean-light: #22d3ee;
  /* 中性色 */
  --text-main: #16233c;
  --text-body: #45536b;
  --text-muted: #7b879e;
  --line: #e3eaf5;
  --bg-light: #f4f8ff;
  --bg-soft: #eaf1fc;
  --white: #ffffff;
  /* 渐变 */
  --grad-main: linear-gradient(120deg, #051d4d 0%, #0b3d91 45%, #0e5fd8 100%);
  --grad-accent: linear-gradient(120deg, #1e6fff 0%, #06b6d4 100%);
  --grad-soft: linear-gradient(135deg, #f4f8ff 0%, #eaf4ff 100%);
  /* 阴影 */
  --shadow-sm: 0 2px 10px rgba(11, 61, 145, 0.06);
  --shadow-md: 0 8px 30px rgba(11, 61, 145, 0.10);
  --shadow-lg: 0 20px 60px rgba(5, 29, 77, 0.16);
  --radius: 14px;
  --radius-lg: 20px;
  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  color: var(--text-main);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------------- 顶部信息条 ---------------- */
.topbar {
  background: var(--primary-deeper);
  color: #cfe0ff;
  font-size: 13px;
}
.topbar .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 38px;
}
.topbar a { color: #cfe0ff; }
.topbar a:hover { color: var(--ocean-light); }
.topbar .tb-right { display: flex; align-items: center; gap: 18px; }
.topbar .tb-phone { font-weight: 600; color: #fff; letter-spacing: .3px; }
.topbar .tb-phone i { font-style: normal; margin-right: 6px; color: var(--ocean-light); }

/* ---------------- 导航 ---------------- */
.nav {
  position: sticky; top: 0; z-index: 999;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 4px 20px rgba(11, 61, 145, 0.08); }
.nav .container { display: flex; align-items: center; height: 72px; gap: 40px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand .logo {
  width: 46px; height: 46px; border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.brand .logo img { width: 100%; height: 100%; object-fit: cover; }
.brand .brand-name { font-size: 22px; font-weight: 800; letter-spacing: 1px; color: var(--primary); line-height: 1.15; }
.brand .brand-name small { display: block; font-size: 11px; font-weight: 500; color: var(--text-muted); letter-spacing: 3px; }

.menu { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.menu a {
  padding: 8px 14px; font-size: 15px; color: var(--text-body);
  border-radius: 8px; transition: all .25s; position: relative;
}
.menu a:hover, .menu a.active { color: var(--primary); background: var(--bg-soft); font-weight: 600; }
.menu a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 3px; border-radius: 3px; background: var(--grad-accent);
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad-accent); color: #fff !important;
  padding: 10px 22px !important; border-radius: 999px !important;
  font-weight: 600; box-shadow: 0 6px 18px rgba(30, 111, 255, 0.35);
  transition: transform .25s, box-shadow .25s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(30, 111, 255, 0.45); }

/* 移动端菜单按钮 */
.menu-toggle { display: none; cursor: pointer; font-size: 24px; color: var(--primary); background: none; border: none; }

/* ---------------- 通用区块 ---------------- */
section { padding: 88px 0; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.section-head .eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 4px;
  color: var(--accent); margin-bottom: 12px; text-transform: uppercase;
}
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.3; }
.section-head h2 em { font-style: normal; color: var(--accent); }
.section-head .sub { margin-top: 14px; color: var(--text-body); font-size: 16px; }
.section-head .line {
  width: 56px; height: 4px; border-radius: 4px; margin: 18px auto 0;
  background: var(--grad-accent);
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative; color: #fff;
  background: var(--grad-main);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(34, 211, 238, 0.28), transparent 60%),
    radial-gradient(700px 400px at 10% 85%, rgba(30, 111, 255, 0.35), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: 50%; width: 520px; height: 520px;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(34,211,238,.20) 0%, transparent 65%);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 96px; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px; padding: 7px 18px; font-size: 13px; color: #d9e9ff; margin-bottom: 22px;
}
.hero .badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ocean-light); box-shadow: 0 0 10px var(--ocean-light); }
.hero h1 { font-size: 50px; font-weight: 900; line-height: 1.25; letter-spacing: 1px; }
.hero h1 .grad-text {
  background: linear-gradient(90deg, #7dd3fc, #38bdf8, #67e8f9);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .hero-sub { margin: 22px 0 10px; font-size: 18px; color: #cfe0ff; line-height: 1.9; }
.hero .hero-desc { color: #9fc0ee; font-size: 15px; margin-bottom: 32px; }
.hero .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; font-size: 16px; font-weight: 600; cursor: pointer;
  transition: all .25s; border: none;
}
.btn-lg { padding: 14px 34px; }
.btn-primary { background: var(--grad-accent); color: #fff; box-shadow: 0 10px 26px rgba(30,111,255,.4); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(30,111,255,.5); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.18); transform: translateY(-2px); }

.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.hero-stats .stat {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius); padding: 22px 24px; backdrop-filter: blur(6px);
}
.hero-stats .stat .num { font-size: 34px; font-weight: 900; color: #fff; font-family: "DIN Alternate", "Arial", sans-serif; }
.hero-stats .stat .num small { font-size: 18px; color: var(--ocean-light); margin-left: 2px; }
.hero-stats .stat .label { margin-top: 4px; font-size: 13px; color: #9fc0ee; }

/* 滚动提示 */
.hero-scroll { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 3; color: rgba(255,255,255,.55); font-size: 12px; letter-spacing: 2px; }
.hero-scroll::after { content: "▾"; display: block; text-align: center; margin-top: 2px; font-size: 14px; }

/* ---------------- 关于我们 ---------------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-text h2 { font-size: 34px; font-weight: 800; color: var(--primary); line-height: 1.35; margin-bottom: 20px; }
.about-text p { color: var(--text-body); margin-bottom: 16px; font-size: 15.5px; }
.about-text .highlight { color: var(--accent); font-weight: 700; }
.about-feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 28px; }
.about-feats .feat {
  background: var(--bg-light); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 16px; text-align: center; transition: all .3s;
}
.about-feats .feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent-light); }
.about-feats .feat .icon { font-size: 30px; margin-bottom: 8px; }
.about-feats .feat .name { font-weight: 700; color: var(--primary); font-size: 15px; }
.about-feats .feat .desc { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; }

.about-visual {
  background: var(--grad-soft); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px; position: relative; overflow: hidden;
}
.about-visual::before {
  content: ""; position: absolute; width: 260px; height: 260px; right: -80px; top: -80px;
  background: radial-gradient(circle, rgba(30,111,255,.14), transparent 65%); border-radius: 50%;
}
.about-visual .av-logo { width: 120px; height: 120px; margin: 0 auto 20px; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-md); }
.about-visual .av-logo img { width: 100%; height: 100%; object-fit: cover; }
.about-visual .av-name { text-align: center; font-size: 22px; font-weight: 800; color: var(--primary); }
.about-visual .av-en { text-align: center; font-size: 12px; color: var(--text-muted); letter-spacing: 3px; margin-bottom: 22px; }
.av-list li {
  display: flex; align-items: center; gap: 12px; padding: 11px 0;
  border-bottom: 1px dashed var(--line); font-size: 14.5px; color: var(--text-body);
}
.av-list li:last-child { border-bottom: none; }
.av-list li .tick {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: var(--grad-accent); color: #fff; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
}

/* ---------------- 平台优势 ---------------- */
.advantages { background: var(--bg-light); }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .3s; position: relative; overflow: hidden;
}
.adv-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px;
  background: var(--grad-accent); opacity: 0; transition: opacity .3s;
}
.adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.adv-card:hover::before { opacity: 1; }
.adv-card .adv-ico {
  width: 60px; height: 60px; border-radius: 16px; margin-bottom: 18px;
  background: var(--grad-soft); display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.adv-card h3 { font-size: 18px; color: var(--primary); margin-bottom: 10px; font-weight: 700; }
.adv-card p { font-size: 13.5px; color: var(--text-body); }

/* ---------------- 解决方案 ---------------- */
.solutions { background: linear-gradient(180deg, #fff 0%, var(--bg-light) 100%); }
.sol-tabs { display: flex; justify-content: center; margin-bottom: 44px; }
.sol-tab-static {
  display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: center;
  background: #fff; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 12px 30px; font-size: 14.5px; font-weight: 600; color: var(--text-body);
  box-shadow: var(--shadow-sm);
}
.sol-tab-static .sol-order {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%; background: var(--grad-accent);
  color: #fff; font-size: 13px; font-weight: 700;
}
.sol-tab-static .sol-divider { color: var(--line); font-weight: 400; }

.sol-panel { display: block; margin-bottom: 64px; animation: fadeUp .5s ease; }
.sol-panel:last-child { margin-bottom: 0; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.sol-hero-card {
  background: var(--grad-main); border-radius: var(--radius-lg); color: #fff;
  padding: 40px 44px; margin-bottom: 26px; position: relative; overflow: hidden;
}
.sol-hero-card::after {
  content: ""; position: absolute; right: -70px; top: -70px; width: 260px; height: 260px;
  border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.25), transparent 65%);
}
.sol-hero-card .sol-no { font-size: 13px; letter-spacing: 3px; color: var(--ocean-light); font-weight: 700; margin-bottom: 10px; }
.sol-hero-card h3 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.sol-hero-card .sol-tagline { color: #cfe0ff; font-size: 15px; max-width: 640px; }

.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.sol-grid.sol-grid-3 { grid-template-columns: repeat(3, 1fr); }
.sol-block {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: all .3s;
}
.sol-block:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.sol-block .b-ico { font-size: 26px; margin-bottom: 12px; }
.sol-block h4 { font-size: 17px; color: var(--primary); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.sol-block h4 .mini-tag {
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px;
  background: var(--bg-soft); color: var(--accent);
}
.sol-block ul li { position: relative; padding: 5px 0 5px 20px; font-size: 13.8px; color: var(--text-body); }
.sol-block ul li::before {
  content: ""; position: absolute; left: 2px; top: 14px; width: 7px; height: 7px;
  border-radius: 2px; background: var(--grad-accent); transform: rotate(45deg);
}

/* 流程示意 */
.flow-wrap {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 34px; margin-top: 22px;
}
.flow-wrap h4 { font-size: 18px; color: var(--primary); margin-bottom: 22px; }
.flow {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
}
.flow .flow-item { position: relative; padding: 0 18px; }
.flow .flow-item:not(:last-child)::after {
  content: "→"; position: absolute; right: -12px; top: 16px; font-size: 22px; color: var(--accent);
}
.flow .f-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.flow .f-no {
  width: 30px; height: 30px; border-radius: 50%; background: var(--grad-accent); color: #fff;
  font-size: 14px; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.flow .f-name { font-weight: 700; color: var(--primary); font-size: 15px; }
.flow .flow-item p { font-size: 13px; color: var(--text-body); line-height: 1.85; }

/* 方案三强调 */
.sol-panel[data-sol="3"] .sol-hero-card {
  background: linear-gradient(120deg, #0f172a 0%, #0b3d91 55%, #0e7490 100%);
}
.sol-panel[data-sol="3"] .sol-hero-card .sol-no { color: #67e8f9; }
.recommend-flag {
  display: inline-flex; align-items: center; gap: 6px; margin-left: 10px;
  background: linear-gradient(90deg, #f59e0b, #f97316); color: #fff; font-size: 12px;
  padding: 2px 12px; border-radius: 999px; font-weight: 700; vertical-align: middle;
}

/* ---------------- 服务保障 ---------------- */
.guarantee { background: var(--grad-main); color: #fff; position: relative; overflow: hidden; }
.guarantee::before {
  content: ""; position: absolute; width: 500px; height: 500px; left: -160px; top: -160px;
  background: radial-gradient(circle, rgba(34,211,238,.16), transparent 60%);
}
.guarantee .section-head h2 { color: #fff; }
.guarantee .section-head .sub { color: #b9d2f7; }
.guarantee .section-head .line { background: linear-gradient(90deg, #7dd3fc, #38bdf8); }
.guarantee-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; position: relative; }
.guarantee-card {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius); padding: 32px; backdrop-filter: blur(4px);
  transition: all .3s;
}
.guarantee-card:hover { background: rgba(255,255,255,.12); transform: translateY(-4px); }
.guarantee-card .g-ico { font-size: 32px; margin-bottom: 14px; }
.guarantee-card h3 { font-size: 20px; margin-bottom: 12px; }
.guarantee-card p { font-size: 14.5px; color: #cfe0ff; }
.guarantee-card .g-metrics { display: flex; gap: 26px; margin-top: 18px; flex-wrap: wrap; }
.guarantee-card .g-metrics .m { text-align: center; }
.guarantee-card .g-metrics .m .n { font-size: 26px; font-weight: 900; color: #67e8f9; }
.guarantee-card .g-metrics .m .t { font-size: 12.5px; color: #9fc0ee; }

/* ---------------- 合作客户 ---------------- */
.clients { background: #fff; }
.client-wall { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.client-item {
  min-width: 170px; text-align: center; padding: 20px 26px;
  background: var(--bg-light); border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 17px; font-weight: 800; color: var(--primary); letter-spacing: 1px;
  transition: all .3s;
}
.client-item:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateY(-4px); color: var(--accent); }
.client-item small { display: block; font-size: 11px; font-weight: 500; color: var(--text-muted); letter-spacing: 2px; margin-top: 4px; }

/* ---------------- 资讯中心 ---------------- */
.news { background: var(--bg-light); }
.news-featured { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 22px; }
.news-fcard {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: all .3s; position: relative;
}
.news-fcard:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.news-fcard .nf-top {
  background: var(--grad-main); padding: 26px 28px 20px; color: #fff; position: relative;
}
.news-fcard.hot .nf-top { background: linear-gradient(120deg, #7c2d12 0%, #ea580c 60%, #f97316 100%); }
.news-fcard .nf-flag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px;
  background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.35);
  padding: 3px 12px; border-radius: 999px; margin-bottom: 12px;
}
.news-fcard .nf-title { font-size: 20px; font-weight: 800; line-height: 1.5; }
.news-fcard .nf-body { padding: 20px 28px 24px; flex: 1; display: flex; flex-direction: column; }
.news-fcard .nf-body p { font-size: 13.8px; color: var(--text-body); flex: 1; }
.news-fcard .nf-meta {
  display: flex; align-items: center; justify-content: space-between; margin-top: 16px;
  font-size: 12.5px; color: var(--text-muted);
}
.news-fcard .nf-link { color: var(--accent); font-weight: 600; }
.news-fcard .nf-link:hover { text-decoration: underline; }

.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.news-item {
  display: flex; align-items: center; gap: 18px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px;
  transition: all .3s;
}
.news-item:hover { box-shadow: var(--shadow-md); transform: translateX(6px); border-color: var(--accent-light); }
.news-item .ni-date {
  flex-shrink: 0; width: 64px; height: 64px; border-radius: 12px; background: var(--grad-soft);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--accent); font-weight: 800;
}
.news-item .ni-date .d { font-size: 20px; line-height: 1.1; }
.news-item .ni-date .m { font-size: 11px; color: var(--text-muted); font-weight: 600; }
.news-item .ni-main { flex: 1; min-width: 0; }
.news-item .ni-title { font-size: 15.5px; font-weight: 700; color: var(--text-main); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-item:hover .ni-title { color: var(--accent); }
.news-item .ni-desc { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-item .ni-cat {
  flex-shrink: 0; font-size: 11.5px; color: var(--accent); background: var(--bg-soft);
  padding: 3px 10px; border-radius: 999px; font-weight: 600;
}
.news-more { text-align: center; margin-top: 34px; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 34px;
  border-radius: 999px; border: 1.5px solid var(--accent); color: var(--accent);
  font-weight: 600; font-size: 15px; transition: all .3s; background: #fff;
}
.btn-outline:hover { background: var(--grad-accent); color: #fff; border-color: transparent; }

/* ---------------- 联系我们 CTA ---------------- */
.contact-cta { background: var(--grad-main); color: #fff; position: relative; overflow: hidden; }
.contact-cta::before {
  content: ""; position: absolute; width: 420px; height: 420px; right: -100px; bottom: -140px;
  border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.2), transparent 60%);
}
.contact-cta .container { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.contact-cta h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; }
.contact-cta p { color: #b9d2f7; font-size: 15.5px; margin-bottom: 28px; max-width: 560px; }
.contact-cta .cc-phone {
  display: inline-flex; align-items: center; gap: 12px; font-size: 30px; font-weight: 900;
  color: #fff; margin-bottom: 22px;
}
.contact-cta .cc-phone:hover { color: var(--ocean-light); }
.contact-cta .cc-phone .ph-ico {
  width: 52px; height: 52px; border-radius: 14px; background: var(--grad-accent);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.cc-notes { display: flex; gap: 30px; color: #9fc0ee; font-size: 13.5px; flex-wrap: wrap; }
.cc-notes b { color: #fff; font-weight: 700; }

.qr-box {
  background: #fff; border-radius: var(--radius-lg); padding: 26px; text-align: center;
  box-shadow: var(--shadow-lg); max-width: 300px; margin-left: auto;
}
.qr-box .qr-img { width: 170px; height: 170px; margin: 0 auto 14px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.qr-box .qr-img img { width: 100%; height: 100%; object-fit: contain; }
.qr-box .qr-title { font-weight: 800; color: var(--primary); font-size: 17px; }
.qr-box .qr-sub { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; }

/* ---------------- 页脚 ---------------- */
.footer { background: var(--primary-deeper); color: #8fa8d4; font-size: 13.5px; }
.footer-top { padding: 56px 0 36px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 700; }
.footer .f-brand .logo { width: 54px; height: 54px; border-radius: 12px; overflow: hidden; margin-bottom: 14px; }
.footer .f-brand .logo img { width: 100%; height: 100%; object-fit: cover; }
.footer .f-brand .f-name { font-size: 20px; font-weight: 800; color: #fff; }
.footer .f-brand p { margin-top: 12px; line-height: 1.9; max-width: 320px; }
.footer .f-links li { margin-bottom: 10px; }
.footer .f-links a { color: #8fa8d4; transition: all .25s; }
.footer .f-links a:hover { color: var(--ocean-light); padding-left: 4px; }
.footer .f-contact li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; line-height: 1.7; }
.footer .f-contact .fc-ico { font-style: normal; color: var(--ocean-light); }
.footer .f-contact a.phone { color: #fff; font-size: 19px; font-weight: 800; }
.footer .f-qr { text-align: center; }
.footer .f-qr img { width: 130px; height: 130px; margin: 0 auto 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,.15); object-fit: contain; }
.footer .f-qr .t { color: #b9d2f7; font-size: 12.5px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; text-align: center;
  color: #5f7ab0; font-size: 12.5px;
}
.footer-bottom a { color: #5f7ab0; }
.footer-bottom a:hover { color: var(--ocean-light); }

/* ---------------- 文章页 ---------------- */
.page-hero {
  background: var(--grad-main); color: #fff; padding: 64px 0 56px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.2), transparent 65%);
}
.page-hero .crumb { font-size: 13px; color: #9fc0ee; margin-bottom: 18px; }
.page-hero .crumb a:hover { color: var(--ocean-light); }
.page-hero h1 { font-size: 34px; font-weight: 800; line-height: 1.4; max-width: 900px; }
.page-hero .ph-meta { margin-top: 18px; display: flex; gap: 22px; color: #9fc0ee; font-size: 13px; flex-wrap: wrap; }
.page-hero .ph-meta b { color: #d9e9ff; font-weight: 600; }

.article-wrap { max-width: 880px; margin: -36px auto 80px; position: relative; z-index: 5; }
.article-card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  border: 1px solid var(--line); padding: 48px 56px;
}
.article-body { font-size: 15.5px; color: var(--text-body); line-height: 2; }
.article-body h2 {
  font-size: 22px; color: var(--primary); margin: 34px 0 14px; font-weight: 800;
  padding-left: 14px; border-left: 4px solid var(--accent);
}
.article-body h3 { font-size: 17px; color: var(--primary); margin: 24px 0 10px; font-weight: 700; }
.article-body p { margin-bottom: 14px; }
.article-body strong { color: var(--text-main); }
.article-body ul, .article-body ol { margin: 0 0 16px 0; padding-left: 6px; }
.article-body ul li { position: relative; padding: 4px 0 4px 22px; }
.article-body ul li::before {
  content: ""; position: absolute; left: 2px; top: 15px; width: 8px; height: 8px;
  border-radius: 2px; background: var(--grad-accent); transform: rotate(45deg);
}
.article-body ol li { padding: 4px 0; counter-increment: none; }
.article-body .table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--line); border-radius: 10px; }
.article-body table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 560px; }
.article-body table th {
  background: var(--bg-soft); color: var(--primary); font-weight: 700; padding: 10px 14px;
  border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap;
}
.article-body table td { padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.article-body table tr:last-child td { border-bottom: none; }
.article-body blockquote {
  margin: 18px 0; padding: 14px 20px; background: var(--bg-light);
  border-left: 4px solid var(--accent); border-radius: 0 10px 10px 0; color: var(--text-body);
  font-size: 14.5px;
}
.article-body blockquote p { margin: 0; }
.article-source { margin-top: 36px; padding-top: 20px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--text-muted); }

.article-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 30px;
}
.article-nav a {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; font-size: 13.5px; color: var(--text-muted); transition: all .3s;
}
.article-nav a:hover { box-shadow: var(--shadow-md); border-color: var(--accent-light); color: var(--accent); }
.article-nav a .nav-label { display: block; font-size: 12px; margin-bottom: 4px; color: var(--text-muted); }
.article-nav a .nav-title { font-weight: 700; color: var(--text-main); }
.article-nav a.next { text-align: right; }

/* 资讯列表页 */
.news-page-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 28px; display: flex; flex-direction: column; transition: all .3s; position: relative;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.news-card .nc-cat {
  align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--accent);
  background: var(--bg-soft); padding: 3px 12px; border-radius: 999px; margin-bottom: 14px;
}
.news-card .nc-title { font-size: 18px; font-weight: 800; color: var(--text-main); line-height: 1.55; margin-bottom: 10px; }
.news-card:hover .nc-title { color: var(--accent); }
.news-card .nc-desc { font-size: 13.5px; color: var(--text-body); flex: 1; }
.news-card .nc-meta {
  margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--line);
  display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--text-muted);
}
.news-card .nc-link { color: var(--accent); font-weight: 600; }

/* ============================================================
   灵活用工合规20讲（专栏）
   ============================================================ */
.c20-hero-sub {
  margin-top: 18px; max-width: 760px; font-size: 16px; color: #cfe0ff;
  padding-left: 16px; border-left: 3px solid var(--ocean-light);
}

/* 为什么做这个系列 */
.c20-goals { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.c20-goal {
  background: var(--bg-light); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; position: relative; transition: all .3s;
}
.c20-goal:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--accent-light); }
.c20-goal-no {
  display: block; font-size: 26px; font-weight: 900; font-family: "DIN Alternate", Arial, sans-serif;
  background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 10px; letter-spacing: 1px;
}
.c20-goal p { font-size: 14.5px; color: var(--text-body); }

.c20-quote {
  margin-top: 34px; text-align: center; padding: 34px 30px; border-radius: var(--radius-lg);
  background: var(--grad-main); color: #fff; position: relative; overflow: hidden;
}
.c20-quote::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px;
  border-radius: 50%; background: radial-gradient(circle, rgba(34,211,238,.22), transparent 65%);
}
.c20-quote p { position: relative; font-size: 19px; line-height: 1.9; color: #dbe9ff; }
.c20-quote b { color: #fff; font-size: 21px; }

/* 写给谁 */
.c20-value { background: var(--bg-light); }
.c20-value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.c20-value-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; transition: all .3s;
}
.c20-value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.c20-value-icon { font-size: 28px; margin-bottom: 12px; }
.c20-value-role { font-size: 18px; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.c20-value-pain {
  font-size: 13px; color: var(--text-muted); padding-bottom: 10px; margin-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}
.c20-value-gain { font-size: 13.8px; color: var(--text-body); }
.c20-value-gain::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* 五大板块 */
.c20-sec-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.c20-sec-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; text-align: center; transition: all .3s; position: relative; overflow: hidden;
}
.c20-sec-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px;
  background: var(--grad-accent); opacity: 0; transition: opacity .3s;
}
.c20-sec-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.c20-sec-card:hover::before { opacity: 1; }
.c20-sec-icon { font-size: 30px; margin-bottom: 12px; }
.c20-sec-card h3 { font-size: 16px; color: var(--primary); font-weight: 800; line-height: 1.5; }
.c20-sec-range {
  display: inline-block; margin: 10px 0; font-size: 12px; font-weight: 700; color: var(--accent);
  background: var(--bg-soft); padding: 2px 12px; border-radius: 999px;
}
.c20-sec-topic { font-size: 13.5px; color: var(--text-body); }
.c20-sec-expect { margin-top: 10px; font-size: 12px; color: var(--text-muted); }

/* 20篇目录 */
.c20-toc { background: var(--bg-light); }
.c20-group {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 28px; margin-bottom: 18px;
}
.c20-group-head { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.c20-group-icon { font-size: 22px; }
.c20-group-head h3 { font-size: 17px; font-weight: 800; color: var(--primary); }
.c20-group-range {
  margin-left: auto; font-size: 12px; font-weight: 700; color: var(--accent);
  background: var(--bg-soft); padding: 3px 12px; border-radius: 999px;
}
.c20-group-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 26px; }
.c20-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 0;
  border-bottom: 1px dashed var(--line); transition: all .25s;
}
.c20-item:hover { padding-left: 6px; }
.c20-item-no {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 9px; background: var(--grad-soft);
  color: var(--accent); font-weight: 800; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.c20-item:hover .c20-item-no { background: var(--grad-accent); color: #fff; }
.c20-item-title { flex: 1; font-size: 14px; color: var(--text-main); font-weight: 500; line-height: 1.6; }
.c20-item:hover .c20-item-title { color: var(--accent); }
.c20-item-arrow { flex-shrink: 0; color: var(--text-muted); font-size: 14px; transition: all .25s; }
.c20-item:hover .c20-item-arrow { color: var(--accent); transform: translateX(3px); }

/* 首页「合规20讲」板块 */
.c20-home { background: linear-gradient(180deg, #fff 0%, var(--bg-light) 100%); }
.c20-home-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-bottom: 26px; }
.c20-home-panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 30px; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center;
  box-shadow: var(--shadow-sm);
}
.c20-home-panel h3 { font-size: 19px; color: var(--primary); font-weight: 800; margin-bottom: 8px; }
.c20-home-panel p { font-size: 14px; color: var(--text-body); }
.c20-home-panel .c20-home-feat { display: flex; gap: 22px; margin-top: 12px; flex-wrap: wrap; }
.c20-home-panel .c20-home-feat span { font-size: 12.5px; color: var(--text-muted); }
.c20-home-panel .c20-home-feat b { color: var(--accent); font-size: 15px; }

/* ---------------- 动画 ---------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 56px; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-cta .container { grid-template-columns: 1fr; }
  .qr-box { margin: 0 auto; }
  .news-featured { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr; }
  .news-page-list { grid-template-columns: 1fr; }
  .c20-goals { grid-template-columns: repeat(2, 1fr); }
  .c20-value-grid { grid-template-columns: repeat(2, 1fr); }
  .c20-sec-grid { grid-template-columns: repeat(3, 1fr); }
  .c20-home-grid { grid-template-columns: repeat(3, 1fr); }
  .c20-home-panel { grid-template-columns: 1fr; }
}

/* 中等屏幕（≤1150px）：导航紧凑化，避免菜单项溢出 */
@media (max-width: 1150px) and (min-width: 1025px) {
  .brand .brand-name small { display: none; }
  .nav .container { gap: 20px; }
  .menu a { padding: 8px 9px; font-size: 14px; }
  .nav-cta { padding: 9px 16px !important; font-size: 14px !important; }
}

/* 平板及以下（≤1024px）：切换为抽屉式菜单 */
@media (max-width: 1024px) {
  .menu {
    position: fixed; inset: 0 0 0 auto; width: 280px; background: #fff;
    flex-direction: column; align-items: flex-start; padding: 90px 30px 30px;
    gap: 8px; box-shadow: -20px 0 60px rgba(5,29,77,.2);
    transform: translateX(100%); transition: transform .35s ease; z-index: 998;
    margin-left: 0;
  }
  .menu.open { transform: none; }
  .menu a { width: 100%; font-size: 16px; padding: 12px 14px; }
  .menu a.active::after { display: none; }
  .menu-toggle { display: block; margin-left: auto; z-index: 999; }
  .nav .container { height: 64px; gap: 16px; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .section-head h2 { font-size: 28px; }
  .brand .brand-name { font-size: 19px; }
  .hero h1 { font-size: 34px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero .hero-sub { font-size: 16px; }
  .sol-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 22px; }
  .flow .flow-item:not(:last-child)::after { content: "↓"; right: auto; bottom: -20px; top: auto; left: 50%; transform: translateX(-50%); }
  .flow .flow-item { padding: 0; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .article-card { padding: 30px 22px; }
  .article-nav { grid-template-columns: 1fr; }
  .contact-cta h2 { font-size: 26px; }
  .contact-cta .cc-phone { font-size: 24px; }
  .hero .hero-actions .btn-lg { padding: 12px 24px; font-size: 15px; }
  .topbar .tb-right { display: none; }
  .topbar .container { justify-content: center; }
  .c20-goals { grid-template-columns: 1fr; }
  .c20-value-grid { grid-template-columns: 1fr; }
  .c20-sec-grid { grid-template-columns: 1fr 1fr; }
  .c20-home-grid { grid-template-columns: 1fr 1fr; }
  .c20-group { padding: 20px 18px; }
  .c20-group-list { grid-template-columns: 1fr; }
  .c20-hero-sub { font-size: 14.5px; }
  .c20-quote p { font-size: 16px; }
  .c20-quote b { font-size: 18px; }
}

/* ============ 浮动在线咨询按钮 ============ */
.float-consult { position: fixed; right: 18px; bottom: 24px; z-index: 9999; font-size: 14px; }
.float-consult .fc-btn {
  background: var(--grad-accent); color: #fff; border: none; padding: 12px 22px;
  border-radius: 30px; font-size: 15px; font-weight: 700; cursor: pointer;
  box-shadow: 0 8px 24px rgba(14, 95, 216, .35); transition: transform .2s;
}
.float-consult .fc-btn:hover { transform: translateY(-2px); }
.float-consult .fc-panel {
  display: none; position: absolute; right: 0; bottom: 58px; width: 264px;
  background: #fff; border-radius: 14px; overflow: hidden;
  box-shadow: 0 12px 40px rgba(5, 29, 77, .18);
}
.float-consult .fc-panel.open { display: block; }
.float-consult .fc-head { background: var(--grad-main); color: #fff; padding: 12px 16px; font-weight: 700; }
.float-consult .fc-item {
  display: block; padding: 12px 16px; color: var(--primary); text-decoration: none;
  border-bottom: 1px solid #eef2f8; font-weight: 600;
}
.float-consult .fc-item:hover { background: #f4f8ff; }
.float-consult .fc-qr { padding: 12px 16px; text-align: center; }
.float-consult .fc-qr img { width: 120px; height: 120px; border-radius: 8px; margin-bottom: 6px; }
.float-consult .fc-qr span { display: block; color: var(--text-muted); font-size: 12.5px; }

/* 页脚免责声明行 */
.footer-disclaimer { margin-top: 6px; font-size: 12px; color: #4a6491; }
.footer-bottom a[href*="beian.miit.gov.cn"] { color: #7d95c4; }
.footer-bottom a[href*="beian.miit.gov.cn"]:hover { color: var(--ocean-light); }