/* CNCNC 信息港 · 郑州中科信息技术有限公司 官网样式 */
:root {
  --brand: #1257d6;
  --brand-600: #0f4cbf;
  --brand-700: #0b3a95;
  --brand-050: #eef4ff;
  --accent: #00b7dc;
  --accent-050: #e6f8fc;
  --warn: #ff7a18;
  --ok: #16a34a;
  --ink: #0f1c2e;
  --ink-2: #33445c;
  --ink-3: #64748b;
  --ink-4: #94a3b8;
  --line: #e5e9f0;
  --line-2: #eef1f6;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --bg-deep: #0b1a33;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 28, 46, .06), 0 2px 8px rgba(15, 28, 46, .04);
  --shadow: 0 4px 16px rgba(15, 28, 46, .08);
  --shadow-lg: 0 18px 48px rgba(15, 28, 46, .12);
  --maxw: 1200px;
  --nav-h: 68px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0 0 .6em; line-height: 1.3; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 21px; }
h4 { font-size: 17px; }
p { margin: 0 0 1em; color: var(--ink-2); }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; color: var(--ink-2); }
li { margin-bottom: .4em; }
strong { color: var(--ink); font-weight: 600; }
small { color: var(--ink-3); }
hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 880px; }
.row { display: flex; gap: 24px; }
.row-wrap { flex-wrap: wrap; }
.grid { display: grid; gap: 26px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.center { text-align: center; }

.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-soft { background: var(--bg-soft); }
.section-deep { background: var(--bg-deep); color: #fff; }
.section-deep p, .section-deep li { color: rgba(255, 255, 255, .74); }
.section-deep h1, .section-deep h2, .section-deep h3, .section-deep h4 { color: #fff; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-sm { margin-top: 12px; } .mt { margin-top: 24px; } .mt-lg { margin-top: 48px; }

.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 12px;
}
.section-deep .eyebrow { color: #7fd8ff; }
.sec-head { max-width: 780px; margin-bottom: 48px; }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head p { font-size: 17px; margin: 0; }
.sec-head .sub { color: var(--ink-3); font-size: 15px; margin-top: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: .18s ease; white-space: nowrap;
  font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(18, 87, 214, .25); }
.btn-primary:hover { background: var(--brand-600); transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--brand); border-color: #cddcf7; }
.btn-ghost:hover { border-color: var(--brand); background: var(--brand-050); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .4); }
.btn-outline:hover { background: rgba(255, 255, 255, .1); }
.btn-warn { background: var(--warn); color: #fff; }
.btn-warn:hover { filter: brightness(1.05); }
.btn-lg { padding: 16px 38px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.node-card { transition: .18s ease; }
.node-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--brand); }
.btn-group { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Top bar / nav ---------- */
.topbar {
  background: #071731; color: rgba(255, 255, 255, .72); font-size: 13px;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 36px; gap: 16px; }
.topbar a { color: rgba(255, 255, 255, .72); }
.topbar a:hover { color: #fff; }
.topbar .tb-links { display: flex; gap: 18px; flex-wrap: wrap; }

.nav {
  position: sticky; top: 0; z-index: 60; background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 18px; height: var(--nav-h); }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); letter-spacing: -.02em; }
.logo-img { height: 42px; width: auto; flex: 0 0 auto; }
.logo-svg { height: 46px; width: auto; flex: 0 0 auto; }
.logo-sub {
  font-size: 11.5px; font-weight: 600; color: var(--ink-3); line-height: 1.3; letter-spacing: .08em;
  border-left: 1px solid var(--line); padding-left: 10px;
}
.nav-menu { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-menu > .nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: 4px; padding: 9px 12px; border-radius: 8px;
  font-size: 15px; font-weight: 600; color: var(--ink-2); cursor: pointer; white-space: nowrap;
  transition: color .15s ease, background .15s ease;
}
.nav-link:hover { color: var(--brand); background: var(--brand-050); }
.nav-link.active { color: var(--brand); }
.nav-menu > .nav-item > .nav-link { position: relative; }
.nav-menu > .nav-item > .nav-link.active::after {
  content: ''; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--brand), var(--accent));
}
.nav-item:hover .dropdown { display: block; }
.dropdown {
  display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 250px; background: #fff; border: 1px solid var(--line); border-top: 2px solid var(--brand);
  border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 10px; z-index: 70;
  animation: ddIn .18s ease both;
}
@keyframes ddIn { from { opacity: 0; transform: translateX(-50%) translateY(-6px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
.dropdown a {
  display: block; padding: 9px 12px; border-radius: 8px; font-size: 14.5px; color: var(--ink-2); font-weight: 500;
  transition: background .15s ease, color .15s ease;
}
.dropdown a:hover { background: var(--brand-050); color: var(--brand); }
.dropdown a .dd-desc { display: block; font-size: 12px; color: var(--ink-4); font-weight: 400; }
.dropdown .dd-div { height: 1px; background: var(--line-2); margin: 8px 4px; }
.nav-cta { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.nav-tel {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 16px 6px 7px;
  border-radius: 999px; background: var(--brand-050); border: 1px solid #d8e4fa;
  color: var(--brand); transition: .18s ease;
}
.nav-tel:hover {
  background: var(--brand); border-color: var(--brand); color: #fff;
  box-shadow: 0 6px 16px rgba(18, 87, 214, .28);
}
.nav-tel-ico {
  width: 32px; height: 32px; border-radius: 50%; flex: 0 0 auto; display: grid; place-items: center;
  color: #fff; background: linear-gradient(135deg, var(--brand), var(--accent));
}
.nav-tel-ico svg { width: 15px; height: 15px; }
.nav-tel-txt { display: flex; flex-direction: column; line-height: 1.25; }
.nav-tel-txt small { font-size: 11px; font-weight: 600; color: var(--ink-3); letter-spacing: .05em; }
.nav-tel-txt b { font-size: 17px; font-weight: 800; letter-spacing: .01em; }
.nav-tel:hover .nav-tel-txt small { color: rgba(255, 255, 255, .78); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-search { display: flex; align-items: center; gap: 6px; margin-left: 16px; }
.nav-search input { width: 168px; max-width: 38vw; padding: 8px 12px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 13px; outline: none; background: #fff; }
.nav-search input:focus { border-color: var(--brand); }
.nav-search button { padding: 8px 14px; border: 0; border-radius: 999px; background: var(--brand); color: #fff; font-size: 13px; cursor: pointer; }

.sidebar-mask { position: fixed; inset: 0; background: rgba(8, 20, 40, .45); z-index: 90; display: none; }
.sidebar-mask.show { display: block; }
.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0; width: 84%; max-width: 340px; background: #fff;
  z-index: 100; transform: translateX(100%); transition: .25s ease; overflow-y: auto; padding: 20px;
}
.mobile-menu.show { transform: translateX(0); }
.mobile-menu .mm-nav { margin-top: 8px; }
.mobile-menu .mm-group { margin: 14px 0 4px; }
.mobile-menu .mm-parent { display: block; padding: 6px 0; font-size: 14px; font-weight: 700; color: var(--brand); border-bottom: 1px solid var(--line-2); }
.mobile-menu .mm-child { display: block; padding: 9px 0 9px 12px; border-bottom: 1px solid var(--line-2); font-weight: 500; color: var(--ink-2); }
.mobile-menu a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line-2); font-weight: 500; }

/* ---------- Breadcrumb ---------- */
.crumbs { font-size: 13.5px; color: var(--ink-3); padding: 20px 0 0; }
.crumbs a:hover { color: var(--brand); }
.crumbs span { margin: 0 6px; color: var(--ink-4); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(135deg, #071a3d 0%, #0d2f6b 45%, #1257d6 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1000px 420px at 78% -10%, rgba(0, 183, 220, .35), transparent 60%),
    radial-gradient(700px 360px at 8% 110%, rgba(18, 87, 214, .5), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1; width: 100%; max-width: var(--maxw); margin: 0 auto;
  padding: 92px 24px 104px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center;
}
.hero h1 { color: #fff; font-size: 47px; margin-bottom: 20px; }
.hero .lead { font-size: 18.5px; color: rgba(255, 255, 255, .8); max-width: 620px; }
.hero .hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 30px; }
.tag {
  display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600;
  padding: 6px 13px; border-radius: 999px; background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2); color: #fff;
}
.hero-panel {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius-lg); padding: 26px; backdrop-filter: blur(6px);
}
.hero-panel h3 { font-size: 18px; color: #fff; margin-bottom: 14px; }
.hero-panel .mini-list li { margin-bottom: 10px; color: rgba(255, 255, 255, .8); font-size: 14.5px; }
.hero-panel .mini-list { list-style: none; padding: 0; }
.hero-panel .mini-list li::before { content: "▹"; color: #5fdcff; margin-right: 8px; }

.page-hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(120deg, #0b3a95 0%, #1257d6 60%, #1a86e8 100%);
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(800px 320px at 85% 0%, rgba(0, 183, 220, .3), transparent 60%);
}
.page-hero-inner { position: relative; z-index: 1; padding: 68px 0 88px; }
.page-hero h1 { color: #fff; font-size: 38px; margin-bottom: 14px; }
.page-hero p { color: rgba(255, 255, 255, .82); font-size: 17.5px; max-width: 780px; margin: 0; }
.page-hero .facts { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 26px; }
.page-hero .facts div { font-size: 14px; color: rgba(255, 255, 255, .72); }
.page-hero .facts b { display: block; font-size: 22px; color: #fff; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 16px; text-align: center; box-shadow: var(--shadow-sm);
}
.stat b { display: block; font-size: 34px; color: var(--brand); line-height: 1.2; font-weight: 800; }
.stat b i { font-style: normal; font-size: 16px; margin-left: 2px; }
.stat span { font-size: 13.5px; color: var(--ink-3); }
.stats-dark .stat { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); }
.stats-dark .stat b { color: #7fd8ff; }
.stats-dark .stat span { color: rgba(255, 255, 255, .7); }

/* ---------- Cards ---------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 30px; height: 100%; box-shadow: var(--shadow-sm); transition: .2s ease;
}
a.card:hover, .card.hoverable:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cddcf7; }
.card h3 { font-size: 18.5px; margin-bottom: 10px; }
.card p { font-size: 14.5px; margin-bottom: 14px; }
.card .more { font-size: 14px; font-weight: 600; color: var(--brand); }
.card-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--brand-050); color: var(--brand); margin-bottom: 16px; font-size: 22px;
}
.card-icon svg { width: 24px; height: 24px; }
.card-flat { background: var(--bg-soft); border-color: var(--line-2); }
.card-dark { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); }
.card-dark h3, .card-dark strong { color: #fff; }
.card-dark p, .card-dark li { color: rgba(255, 255, 255, .72); }

/* 网站建设栏目图片（原创效果图） */
.case-shot { margin: 26px 0; }
.case-shot img { width: 100%; max-width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); display: block; }
.case-shot figcaption { margin-top: 12px; font-size: 14px; color: var(--ink-2); text-align: center; }
a.thumb-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; min-width: 0; }
a.thumb-card img { width: 100%; max-width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 0; border: 0; box-shadow: none; display: block; }
a.thumb-card .thumb-body { padding: 20px 22px 22px; }
a.thumb-card .thumb-body h3 { font-size: 17px; margin-bottom: 8px; }
a.thumb-card .thumb-body p { font-size: 13.5px; margin-bottom: 12px; color: var(--ink-2); }

.check-list { list-style: none; padding: 0; }
.check-list li { position: relative; padding-left: 26px; margin-bottom: 10px; font-size: 15px; color: var(--ink-2); }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--brand-050) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231257d6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/11px no-repeat;
}
.section-deep .check-list li::before {
  background: rgba(255, 255, 255, .14) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237fd8ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/11px no-repeat;
}

/* ---------- Feature split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split-art {
  border-radius: var(--radius-lg); overflow: hidden; min-height: 280px; position: relative;
  background: linear-gradient(135deg, #eaf1ff, #dfeafd 60%, #d4f2fa);
  border: 1px solid var(--line); display: grid; place-items: center; padding: 30px;
}
.split-art .art-label { font-weight: 700; color: var(--brand-700); font-size: 15px; }
.split-art ul { list-style: none; padding: 0; margin: 18px 0 0; }
.split-art ul li { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-bottom: 10px; font-size: 14px; box-shadow: var(--shadow-sm); }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 620px; }
table.data th, table.data td { padding: 16px 20px; border-bottom: 1px solid var(--line-2); text-align: left; }
table.data thead th { background: var(--bg-soft); color: var(--ink); font-weight: 700; font-size: 14px; white-space: nowrap; }
table.data tbody tr:hover { background: #fafcff; }
table.data td { color: var(--ink-2); }
table.data td:first-child { color: var(--ink); font-weight: 600; }
table.data caption { caption-side: top; text-align: left; padding: 0 0 12px; font-size: 14px; color: var(--ink-3); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding: 30px 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-sm); }
.step .n {
  width: 34px; height: 34px; border-radius: 10px; background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 800; margin-bottom: 14px; font-size: 15px;
}
.step h3, .step h4 { margin-bottom: 6px; }
.step p { font-size: 14px; margin: 0; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--accent)); }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 7px; width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
}
.tl-year { font-weight: 800; color: var(--brand); font-size: 17px; }
.tl-item p { margin: 4px 0 0; font-size: 15px; }

/* ---------- Price ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.price-card.hot { border-color: var(--brand); box-shadow: 0 10px 32px rgba(18, 87, 214, .14); position: relative; }
.price-card .badge { position: absolute; top: -12px; right: 22px; background: var(--warn); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.price-card .amount { font-size: 32px; font-weight: 800; color: var(--brand); }
.price-card .amount em { font-size: 15px; font-style: normal; color: var(--ink-3); font-weight: 500; }

/* ---------- FAQ ---------- */
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-q { padding: 16px 20px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; font-size: 16px; }
.faq-q::after { content: "+"; color: var(--brand); font-weight: 700; font-size: 20px; flex: 0 0 auto; }
.faq-item.open .faq-q::after { content: "−"; }
.faq-a { display: none; padding: 0 20px 18px; color: var(--ink-2); font-size: 15px; border-top: 1px solid var(--line-2); padding-top: 14px; }
.faq-item.open .faq-a { display: block; }

/* ---------- Forms ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--ink-2); }
.field label .req { color: var(--warn); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid #d8e0ec; border-radius: 10px; font-size: 15px;
  font-family: inherit; color: var(--ink); background: #fff; transition: .15s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(18, 87, 214, .12); }
.field textarea { min-height: 96px; resize: vertical; }
.form-note { font-size: 13px; color: var(--ink-3); margin-top: 10px; }
.alert { padding: 12px 16px; border-radius: 10px; font-size: 14.5px; margin-bottom: 16px; display: none; }
.alert.show { display: block; }
.alert-ok { background: #e9f8ef; color: #14713c; border: 1px solid #b7e6c9; }
.alert-err { background: #fdeceb; color: #a3271e; border: 1px solid #f6c9c4; }
.alert-info { background: var(--brand-050); color: var(--brand-700); border: 1px solid #cddcf7; }

/* ---------- Quote / CTA ---------- */
.cta-band {
  background: linear-gradient(120deg, #0b3a95, #1257d6 55%, #1a86e8);
  border-radius: var(--radius-lg); padding: 44px 40px; color: #fff; display: grid;
  grid-template-columns: 1.4fr auto; gap: 28px; align-items: center; box-shadow: var(--shadow-lg);
}
.cta-band h2 { color: #fff; margin-bottom: 8px; font-size: 28px; }
.cta-band h3 { color: #fff; font-size: 22px; margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, .8); margin: 0; }
.cta-inner { display: grid; grid-template-columns: 1.5fr auto; gap: 26px; align-items: center; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-band .btn-ghost { background: rgba(255, 255, 255, .12); color: #fff; border: 1px solid rgba(255, 255, 255, .5); }
@media (max-width: 720px) { .cta-inner { grid-template-columns: 1fr; } }

/* 企业微信按钮（品牌绿） */
.btn-wecom { background: linear-gradient(135deg, #2ecb70, #07c160); color: #fff; }
.btn-wecom:hover { filter: brightness(1.06); }

/* 侧栏卡片 */
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; position: sticky; top: 96px; }
.side-card h3, .side-card h4 { font-size: 15px; margin-bottom: 10px; }
.side-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.side-links a { font-size: 14px; color: var(--ink-2); }
.side-links a:hover { color: var(--brand); }
@media (max-width: 900px) { .side-card { position: static; } }

/* ---------- News / article ---------- */
.news-list { display: grid; gap: 18px; }
.news-item {
  display: grid; grid-template-columns: 120px 1fr; gap: 20px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm);
}
.news-thumb {
  height: 78px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 13px;
  background: linear-gradient(135deg, #1257d6, #00b7dc); text-align: center; padding: 6px; line-height: 1.4;
}
.news-item h3 { font-size: 17.5px; margin-bottom: 6px; }
.news-item p { font-size: 14.5px; margin-bottom: 8px; }
.news-meta { font-size: 12.5px; color: var(--ink-4); display: flex; gap: 14px; flex-wrap: wrap; }
.chip { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--brand-050); color: var(--brand-700); }

.article-body { font-size: 16.5px; }
.article-body h2 { font-size: 25px; margin-top: 44px; scroll-margin-top: 90px; }
.article-body h3 { font-size: 19px; margin-top: 30px; }
.article-body p, .article-body li { color: var(--ink-2); }
.article-body blockquote {
  margin: 24px 0; padding: 16px 20px; border-left: 4px solid var(--brand); background: var(--brand-050);
  border-radius: 0 10px 10px 0; color: var(--ink-2); font-size: 15.5px;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body table.data { margin: 20px 0; }
.toc { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 32px; }
.toc h3, .toc h4 { font-size: 14px; color: var(--ink-3); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.toc ol { margin: 0; padding-left: 1.2em; font-size: 14.5px; }
.toc li { margin-bottom: 4px; }

/* ---------- Case ---------- */
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; height: 100%; }
.case-industry { font-size: 12.5px; font-weight: 700; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.case-result { margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--line); font-size: 14px; }
.case-result b { color: var(--brand); }

/* ---------- Footer ---------- */
.footer { background: #08182f; color: rgba(255, 255, 255, .66); padding: 64px 0 26px; font-size: 14.5px; }
.footer h3, .footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: .02em; }
.footer a { color: rgba(255, 255, 255, .66); }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 32px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 9px; }
.footer .f-brand p { color: rgba(255, 255, 255, .6); font-size: 14px; margin: 14px 0 18px; max-width: 340px; }
.footer .legal { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 40px; padding-top: 22px; font-size: 13px; color: rgba(255, 255, 255, .45); line-height: 1.9; }
.f-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.f-badge { font-size: 11.5px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 6px; padding: 3px 8px; color: rgba(255, 255, 255, .7); }
/* 页脚 logo：logo.png 为白底无透明，深色页脚需垫白色圆角底板 */
.f-logo-chip { background: #fff; border-radius: 10px; padding: 8px 12px; display: inline-flex; align-items: center; }
.f-logo-chip .logo-img { height: 34px; }
.f-logo-chip .logo-svg { height: 36px; }
.topbar .tb-brand i {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: linear-gradient(135deg, #1a66e8, #00b7dc); margin-right: 9px; vertical-align: 1px;
  box-shadow: 0 0 6px rgba(0, 183, 220, .8);
}

/* ---------- floating contact ---------- */
.float-bar { position: fixed; right: 16px; bottom: 20px; z-index: 80; display: flex; flex-direction: column; gap: 10px; }
.float-btn {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; color: #fff;
  box-shadow: var(--shadow); font-size: 12px; font-weight: 700; line-height: 1.2; text-align: center; cursor: pointer; border: 0;
}
.float-btn.tel { background: linear-gradient(135deg, var(--brand), var(--brand-600)); }
.float-btn.top { background: #fff; color: var(--ink-2); border: 1px solid var(--line); }
.float-btn.qq { background: linear-gradient(135deg, #ff7a18, #f5542f); }
/* 企业微信：品牌绿 */
.float-btn.wecom {
  background: linear-gradient(135deg, #2ecb70, #07c160);
  gap: 2px; padding: 8px 0;
}
.float-btn.wecom span { font-size: 11px; letter-spacing: .5px; }
.float-btn.wecom:hover { filter: brightness(1.06); }
.float-btn.quote { background: linear-gradient(135deg, #1668dc, #0b4fa8); }

/* ---------- 企业微信邀请弹窗 ---------- */
.wecom-pop { position: fixed; right: 18px; bottom: 200px; z-index: 90; }
.wecom-pop[hidden] { display: none; }
.wecom-pop-inner {
  position: relative; width: 250px; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 12px 32px rgba(16, 24, 40, .16); padding: 16px 16px 14px;
}
.wecom-pop-title { font-weight: 700; font-size: 15px; margin-bottom: 6px; color: var(--ink); }
.wecom-pop p { font-size: 13px; color: var(--ink-2); margin-bottom: 12px; }
.wecom-pop .btn-block { margin-bottom: 8px; }
.wecom-pop-close {
  position: absolute; top: 6px; right: 8px; background: none; border: 0; font-size: 20px;
  line-height: 1; color: var(--ink-3); cursor: pointer;
}
@media (max-width: 640px) { .wecom-pop { right: 10px; bottom: 210px; } .wecom-pop-inner { width: 220px; } }

/* ---------- 问答库 ---------- */
.qa-search { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.qa-search input { flex: 1 1 260px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; }
.qa-count { font-size: 13px; color: var(--ink-2); margin-bottom: 10px; }
.qa-item { border-bottom: 1px solid var(--line); padding: 16px 0; }
.qa-item h3 { font-size: 16.5px; margin: 0 0 8px; color: var(--ink); }
.qa-item h3 .qa-num { color: var(--ink-3); font-weight: 600; margin-right: 6px; }
.qa-item .qa-a { font-size: 15px; color: var(--ink-2); }
.qa-item .qa-meta { margin-top: 8px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.qa-jump { font-size: 13px; color: var(--brand); }
.qa-cats { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 24px; }
.qa-cats a { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 13.5px; color: var(--ink-2); }
.qa-cats a:hover, .qa-cats a.on { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- Tabs ---------- */
.inline-tabs { list-style: none; display: flex; gap: 4px; flex-wrap: wrap; padding: 0; margin: 0 0 18px; border-bottom: 1px solid var(--line); }
.inline-tabs li { margin: 0; }
.tab-btn {
  background: none; border: 0; padding: 10px 12px; font-family: inherit; font-size: 14.5px; font-weight: 600;
  color: var(--ink-3); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { color: var(--brand); border-bottom-color: var(--brand); }
.tab-pane { animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.filter-btn {
  padding: 7px 16px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  font-size: 14px; cursor: pointer; font-family: inherit; font-weight: 500;
}
.filter-btn.active, .filter-btn:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.empty { text-align: center; padding: 40px; color: var(--ink-3); font-size: 15px; }

.kb-list { display: grid; gap: 14px; }
.kb-item { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 18px 22px; }
.kb-item h3 { font-size: 17px; margin-bottom: 6px; }

.badge-row { display: flex; gap: 10px; flex-wrap: wrap; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); box-shadow: var(--shadow-sm);
}
.pill b { color: var(--brand); }

.note-box { background: #fffbe9; border: 1px solid #f4e3a8; border-radius: var(--radius); padding: 18px 22px; font-size: 14.5px; color: #7a5b12; margin: 22px 0; }
.info-box { background: var(--brand-050); border: 1px solid #cddcf7; border-radius: var(--radius); padding: 18px 22px; font-size: 14.5px; color: var(--brand-700); margin: 22px 0; }

/* ---------- GEO 答案胶囊（叠放在 hero 底部） ---------- */
.capsule-wrap { position: relative; z-index: 3; margin-top: -52px; }
.capsule {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 34px 42px 30px; border-left: 5px solid var(--accent);
}
.capsule-q { font-size: 21px; color: var(--ink); margin-bottom: 12px; }
.capsule-q::before {
  content: "答"; display: inline-grid; place-items: center; width: 26px; height: 26px; margin-right: 10px;
  border-radius: 8px; background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff; font-size: 13px; font-weight: 800; vertical-align: 3px;
}
.capsule-a { font-size: 15.5px; color: var(--ink-2); margin-bottom: 16px; max-width: 960px; }
.capsule-points {
  list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px;
}
.capsule-points li {
  margin: 0; font-size: 13.5px; font-weight: 600; color: var(--brand-700);
  background: var(--brand-050); border: 1px solid #d8e4fa; border-radius: 999px; padding: 6px 14px;
}

/* ---------- 栏目页问答精选 ---------- */
.qa-pick-sec .sec-head { margin-bottom: 34px; }
.qa-pick { display: grid; gap: 14px; }
.qa-pick-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 26px; box-shadow: var(--shadow-sm);
}
.qa-pick-item h3 { font-size: 16.5px; color: var(--ink); margin-bottom: 8px; }
.qa-pick-item h3::before { content: "Q"; color: var(--brand); font-weight: 800; margin-right: 9px; }
.qa-pick-item p { font-size: 14.5px; color: var(--ink-2); margin: 0; padding-left: 24px; }

@media (max-width: 720px) {
  .capsule-wrap { margin-top: -36px; }
  .capsule { padding: 24px 22px 20px; }
  .capsule-q { font-size: 18px; }
  .qa-pick-item { padding: 16px 18px; }
}

/* ---------- 文章详情 / 问答分类：双栏布局（移动端转单栏） ---------- */
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: start; }
.faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 44px; align-items: start; }
@media (max-width: 900px) {
  .article-grid, .faq-grid { grid-template-columns: 1fr; gap: 32px; }
  .article-grid .toc { position: static; top: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .hero-grid { grid-template-columns: 1fr; padding: 52px 24px 88px; }
  .hero h1 { font-size: 33px; }
  .page-hero h1 { font-size: 29px; }
  .page-hero-inner { padding: 52px 0 76px; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .nav-menu, .nav-tel-txt { display: none; }
  .nav-tel { padding: 0; background: transparent; border-color: transparent; }
  .nav-tel-ico { width: 40px; height: 40px; }
  .nav-tel-ico svg { width: 18px; height: 18px; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav-search { display: none; }
  .mobile-menu .mm-search { display: flex; margin: 14px 0; }
  .mobile-menu .mm-search input { flex: 1; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: 8px; }
  .mobile-menu .mm-search button { padding: 0 16px; border: 0; border-radius: 8px; background: var(--brand); color: #fff; }
  .g-2, .g-3 { grid-template-columns: 1fr; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .cta-band { grid-template-columns: 1fr; padding: 32px 24px; text-align: center; }
  .cta-band .btn-group { justify-content: center; }
  .section { padding: 58px 0; }
  .news-item { grid-template-columns: 1fr; }
  .news-thumb { height: 54px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .logo-sub, .nav-cta .btn { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .g-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
}

/* ---------- 服务器租用：机房配置速览（cfg-links） ---------- */
.cfg-group {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 14px; transition: box-shadow .2s ease, border-color .2s ease;
}
.cfg-group:hover { box-shadow: var(--shadow); border-color: #d3dded; }
.cfg-group-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.cfg-group-head h3 { margin: 0; font-size: 16px; }
.cfg-group-head .cfg-count { font-size: 12.5px; color: var(--ink-3); }
.cfg-group-head a:hover { color: var(--brand); }
.cfg-price-range { font-size: 12.5px; color: var(--ink-3); }
.cfg-links { display: flex; flex-wrap: wrap; gap: 8px; }
.cfg-links a {
  font-size: 12.5px; line-height: 1.4; padding: 5px 11px; border: 1px solid var(--line);
  border-radius: 999px; color: var(--ink-2); background: var(--bg-soft); white-space: nowrap;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.cfg-links a:hover { color: var(--brand); border-color: var(--brand); background: var(--brand-050); }
.cfg-links a b { font-weight: 700; color: var(--warn); }

/* ============ 列表分页（问答库 / 知识库 / FAQ） ============ */
.pager {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 8px; margin: 30px 0 8px; padding-top: 22px; border-top: 1px dashed var(--line);
}
.pager-info { font-size: 13.5px; color: var(--ink-3); margin-right: 8px; }
.pager-btn {
  appearance: none; border: 1px solid var(--line); background: var(--bg); color: var(--ink-2);
  border-radius: 10px; padding: 7px 14px; font-size: 14px; line-height: 1.4; cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.pager-btn:hover:not(:disabled):not(.active) { color: var(--brand); border-color: var(--brand); background: var(--brand-050); }
.pager-btn.active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; box-shadow: var(--shadow-sm); }
.pager-btn:disabled { opacity: .45; cursor: not-allowed; }

/* ============ Footer 联系我们：电话 / 邮箱整体不换行 ============ */
.footer a[href^="tel"], .footer a[href^="mailto"] { white-space: nowrap; font-weight: 600; letter-spacing: .2px; }
.footer ul li { overflow-wrap: break-word; }

/* ============================================================
   视觉升级 v2（2026-09-30）：导航栏 + 全站排版强化
   ============================================================ */

/* ---------- 顶部信息条：渐变 + 分隔线 ---------- */
.topbar { background: linear-gradient(90deg, #061229, #0a2246 60%, #0d2f6b); letter-spacing: .02em; }
.topbar .container { height: 38px; }
.topbar .tb-links { gap: 0; }
.topbar .tb-links a { position: relative; padding: 0 15px; transition: color .15s ease; }
.topbar .tb-links a:first-child { padding-left: 0; }
.topbar .tb-links a + a::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 1px; height: 12px; background: rgba(255, 255, 255, .18);
}

/* ---------- 主导航：高度 / 悬停下划线 / 滚动阴影 ---------- */
:root { --nav-h: 72px; }
.nav { transition: box-shadow .25s ease; }
.nav.scrolled { box-shadow: 0 10px 28px rgba(15, 28, 46, .09); }
.nav-inner { gap: 14px; }
.nav-link { padding: 10px 14px; font-size: 15.5px; }
.nav-menu > .nav-item > .nav-link::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2.5px;
  border-radius: 2px; background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.nav-menu > .nav-item > .nav-link:hover::after,
.nav-menu > .nav-item > .nav-link.active::after { transform: scaleX(1); }

/* ---------- 下拉菜单：顶部渐变条 + 箭头引导 + 多项双列 ---------- */
.dropdown { border-top: 0; overflow: hidden; padding: 12px; border-radius: 14px; }
.dropdown::before {
  content: ''; display: block; height: 3px; margin: -12px -12px 10px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}
.dropdown a { position: relative; padding: 10px 30px 10px 12px; }
.dropdown a::after {
  content: '›'; position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  color: var(--brand); font-weight: 700; opacity: 0; transition: opacity .15s ease, transform .15s ease;
}
.dropdown a:hover::after { opacity: 1; transform: translateY(-50%) translateX(2px); }
.dd-2 { min-width: 560px; display: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 8px; }
.nav-item:hover .dd-2 { display: grid; }
@media (max-width: 1180px) { .dd-2 { min-width: 480px; } }

/* ---------- 电话胶囊：修复断行 + 质感 ---------- */
.nav-tel, .nav-tel-txt b { white-space: nowrap; }
.nav-tel { padding: 6px 18px 6px 7px; box-shadow: 0 2px 10px rgba(18, 87, 214, .08); }
.nav-tel-txt b { font-size: 17.5px; }

/* ---------- 主按钮：渐变 ---------- */
.btn-primary { background: linear-gradient(135deg, #1a66e8, #0e49b8); box-shadow: 0 8px 20px rgba(18, 87, 214, .26); }
.btn-primary:hover { background: linear-gradient(135deg, #2b76f2, #1257d6); box-shadow: 0 10px 24px rgba(18, 87, 214, .34); }

/* ---------- 区块标题：eyebrow 胶囊化 ---------- */
.eyebrow {
  background: linear-gradient(90deg, var(--brand-050), var(--accent-050));
  border: 1px solid #d8e4fa; padding: 5px 14px; border-radius: 999px; letter-spacing: .1em;
}
.eyebrow::before {
  content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent)); margin-right: 8px; vertical-align: 2px;
}
.section-deep .eyebrow { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .2); }
.sec-head h2 { letter-spacing: -.015em; }

/* ---------- 卡片：hover 上浮 + 图标底纹（修复未定义的 --shadow-md） ---------- */
.card { border-color: #e8edf5; }
a.card:hover, .card.hoverable:hover, .node-card:hover {
  transform: translateY(-4px); box-shadow: 0 14px 34px rgba(15, 28, 46, .12); border-color: #bcd3f5;
}
.card-icon { background: linear-gradient(135deg, var(--brand-050), var(--accent-050)); border: 1px solid #dce8fb; }

/* ---------- 统计卡 / 步骤卡 ---------- */
.stat, .step { transition: .2s ease; }
.stat:hover, .step:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cddcf7; }
.step .n { background: linear-gradient(135deg, var(--brand), var(--accent)); }

/* ---------- 表格：表头渐变 + 行过渡 ---------- */
table.data thead th { background: linear-gradient(180deg, #f4f8ff, #ecf3ff); border-bottom: 2px solid #d8e4fa; }
table.data tbody tr { transition: background .15s ease; }

/* ---------- 柔和区块：轻微纵向渐变 ---------- */
.section-soft { background: linear-gradient(180deg, #f8fafd, #f2f6fb); }

/* ---------- Hero / 页面 Hero：网点纹理 ---------- */
.hero::before, .page-hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 26px 26px;
}

/* ---------- 页脚：顶部品牌渐变线 ---------- */
.footer { position: relative; }
.footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent) 55%, transparent);
}
.footer a { transition: color .15s ease; }

/* ---------- 移动端菜单微调 ---------- */
.mobile-menu .mm-parent { color: var(--brand); font-size: 13px; }
.mobile-menu a { transition: color .15s ease, padding-left .15s ease; }
.mobile-menu a:hover { color: var(--brand); padding-left: 4px; }

/* ---------- 滚动显现（JS 注入 .rv，无 JS 时完全不受影响） ---------- */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---------- 中屏导航挤压保护 ---------- */
@media (max-width: 1080px) and (min-width: 901px) {
  .nav-link { padding: 10px 9px; font-size: 14.5px; }
  .nav-tel { padding: 6px 12px 6px 7px; }
  .nav-tel-txt b { font-size: 15.5px; }
  .nav-cta { gap: 6px; }
}
@media (max-width: 720px) {
  .topbar .container > div:first-child { display: none; }
  .topbar .container { justify-content: center; }
}

/* ---------- 企业微信对接卡片（工单/反馈统一入口） ---------- */
.wecom-connect-ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-size: 22px; background: linear-gradient(135deg, #e9fbf1, #d7f3e4); margin-bottom: 14px;
}
.btn-wecom.btn-lg { font-size: 16px; padding: 15px 28px; }