/* ============================================================
   SOHOKEY 品牌站 — 设计系统
   1. 变量与基础
   2. 布局与通用组件
   3. 页头 / 页脚
   4. 首页
   5. 内页组件
   6. 响应式
   ============================================================ */

/* ---------- 1. 变量与基础 ---------- */
:root {
  --ink: #07111f;
  --navy: #0a1830;
  --navy-2: #0e2244;
  --brand: #1a4dff;
  --brand-dark: #0a33c4;
  --brand-2: #00b3ff;
  --accent: #ff6b2c;
  --accent-2: #ffb020;
  --text: #111c2e;
  --muted: #5a6a82;
  --muted-2: #8694a9;
  --line: #e3e8f1;
  --soft: #f5f7fc;
  --white: #fff;
  --green: #0a9f6e;
  --container: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(10, 24, 48, .06);
  --shadow-md: 0 18px 40px -22px rgba(10, 24, 48, .28);
  --shadow-lg: 0 40px 80px -34px rgba(10, 24, 48, .4);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, h5, h6, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; }
table { border-collapse: collapse; }
:focus-visible { outline: 3px solid rgba(26, 77, 255, .45); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(26, 77, 255, .18); }

.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.container--wide { width: min(1320px, calc(100% - 48px)); }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  transform: translateY(-160%);
  transition: transform .2s;
}
.skip-link:focus { transform: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 2. 布局与通用组件 ---------- */
.section { position: relative; padding: 96px 0; }
.section--tight { padding: 72px 0; }
.section--soft { background: var(--soft); }
.section--dark { background: var(--navy); color: #fff; }
.section--flush { padding-bottom: 0; }

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 {
  margin: 14px 0 16px;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.22;
  letter-spacing: -.022em;
  font-weight: 800;
  color: var(--navy);
}
.section-head p { color: var(--muted); font-size: 16.5px; line-height: 1.8; }
.section-head--center p { margin-inline: auto; }
.section--dark .section-head h2 { color: #fff; }
.section--dark .section-head p { color: rgba(255, 255, 255, .72); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}
.section--dark .eyebrow { color: #67d4ff; }

.lead { color: var(--muted); font-size: 17px; line-height: 1.85; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s, background .25s, border-color .25s, color .25s;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary {
  background: linear-gradient(135deg, #1a4dff, #0b8bff);
  color: #fff;
  box-shadow: 0 14px 28px -14px rgba(26, 77, 255, .85);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 20px 36px -14px rgba(26, 77, 255, .95); }
.btn--accent {
  background: linear-gradient(135deg, #ff7a2f, #ff5a1f);
  color: #fff;
  box-shadow: 0 14px 28px -14px rgba(255, 90, 31, .8);
}
.btn--accent:hover { transform: translateY(-2px); box-shadow: 0 20px 36px -14px rgba(255, 90, 31, .95); }
.btn--ghost { border-color: var(--line); background: #fff; color: var(--text); }
.btn--ghost:hover { border-color: #c6d3e8; background: #f8faff; color: var(--brand); }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -16px rgba(0, 0, 0, .5); }
.btn--outline-light { border-color: rgba(255, 255, 255, .28); color: #fff; }
.btn--outline-light:hover { border-color: rgba(255, 255, 255, .7); background: rgba(255, 255, 255, .08); }
.btn--sm { min-height: 42px; padding: 0 17px; font-size: 14px; }
.btn--lg { min-height: 54px; padding: 0 28px; font-size: 16px; }
.btn--block { width: 100%; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
}
.text-link svg { width: 16px; height: 16px; transition: transform .2s; }
.text-link:hover svg { transform: translateX(3px); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
}
.pill svg { width: 14px; height: 14px; }
.pill--brand { border-color: rgba(26, 77, 255, .2); background: rgba(26, 77, 255, .06); color: var(--brand); }
.pill--green { border-color: rgba(10, 159, 110, .2); background: rgba(10, 159, 110, .07); color: var(--green); }

.card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-4px); border-color: #cbd7ec; box-shadow: var(--shadow-md); }
.card h3 { margin: 18px 0 8px; font-size: 19px; line-height: 1.4; color: var(--navy); }
.card p { color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.card .text-link { margin-top: 18px; }

.icon-box {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(26, 77, 255, .1), rgba(0, 179, 255, .08));
  color: var(--brand);
}
.icon-box svg { width: 24px; height: 24px; }
.icon-box--solid { background: linear-gradient(135deg, #1a4dff, #00a3ff); color: #fff; box-shadow: 0 12px 24px -12px rgba(26, 77, 255, .8); }

.check-list { display: grid; gap: 11px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: 15px;
  line-height: 1.65;
  color: #2b3a52;
}
.check-list svg { width: 19px; height: 19px; flex: none; margin-top: 3px; color: var(--green); }
.check-list--light li { color: rgba(255, 255, 255, .82); }
.check-list--light svg { color: #4fd1ff; }

.cross-list { display: grid; gap: 12px; }
.cross-list li { display: flex; align-items: flex-start; gap: 11px; font-size: 14.5px; color: var(--muted); }
.cross-list svg { width: 18px; height: 18px; flex: none; margin-top: 3px; color: #c0392b; }

.quote-mark { font-size: 42px; line-height: 1; font-weight: 800; color: rgba(26, 77, 255, .16); font-family: Georgia, serif; }

/* 滚动进入（JS 可用时才隐藏，避免无脚本页面空白） */
.reveal { transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.reveal-ready { opacity: 0; transform: translateY(18px); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 3. 页头 ---------- */
.topbar {
  background: var(--ink);
  color: rgba(255, 255, 255, .68);
  font-size: 12.5px;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 38px;
}
.topbar__note { display: inline-flex; align-items: center; gap: 8px; }
.topbar__note svg { width: 14px; height: 14px; color: #67d4ff; }
.topbar__links { display: flex; align-items: center; gap: 22px; }
.topbar__links a { display: inline-flex; align-items: center; gap: 7px; color: rgba(255, 255, 255, .8); transition: color .2s; }
.topbar__links a:hover { color: #fff; }
.topbar__links svg { width: 14px; height: 14px; }
.topbar__cta { color: #fff; font-weight: 600; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow .3s;
}
.site-header.is-scrolled { box-shadow: 0 12px 30px -22px rgba(10, 24, 48, .45); }
.header__inner { display: flex; align-items: center; gap: 26px; min-height: 76px; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1a4dff, #00b3ff);
  color: #fff;
  box-shadow: 0 10px 20px -10px rgba(26, 77, 255, .9);
}
.brand__mark svg { width: 21px; height: 21px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-size: 20px; font-weight: 800; letter-spacing: -.02em; color: var(--navy); }
.brand__sub { margin-top: 3px; font-size: 10px; font-weight: 600; letter-spacing: .22em; color: var(--muted-2); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav a {
  position: relative;
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: #2f3e56;
  transition: color .2s, background .2s;
}
.nav a:hover { color: var(--brand); background: rgba(26, 77, 255, .06); }
.nav a.is-active { color: var(--brand); font-weight: 700; }
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 1px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}

.header__actions { display: flex; align-items: center; gap: 10px; flex: none; }
.header__phone { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; color: var(--navy); }
.header__phone svg { width: 17px; height: 17px; color: var(--brand); flex: none; }
.header__phone span { display: block; font-size: 10.5px; font-weight: 500; line-height: 1.35; color: var(--muted-2); letter-spacing: .02em; }
.header__phone strong { display: block; font-size: 14px; font-weight: 700; line-height: 1.25; color: var(--navy); letter-spacing: .01em; }

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.menu-toggle svg { width: 22px; height: 22px; }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 150;
  visibility: hidden;
  opacity: 0;
  transition: opacity .25s, visibility .25s;
}
.mobile-nav.is-open { visibility: visible; opacity: 1; }
.mobile-nav__backdrop { position: absolute; inset: 0; background: rgba(7, 17, 31, .55); backdrop-filter: blur(3px); }
.mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  width: min(370px, 88%);
  padding: 20px 22px 30px;
  background: #fff;
  box-shadow: -20px 0 60px rgba(7, 17, 31, .25);
  transform: translateX(100%);
  transition: transform .3s var(--ease);
  overflow-y: auto;
}
.mobile-nav.is-open .mobile-nav__panel { transform: none; }
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.mobile-nav__close { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.mobile-nav__close svg { width: 20px; height: 20px; }
.mobile-nav__links { display: grid; gap: 2px; padding: 18px 0; }
.mobile-nav__links a { display: flex; align-items: center; justify-content: space-between; padding: 13px 6px; border-bottom: 1px solid #eef2f9; font-size: 15px; font-weight: 600; color: var(--navy); }
.mobile-nav__links a svg { width: 16px; height: 16px; color: var(--muted-2); }
.mobile-nav__foot { margin-top: auto; display: grid; gap: 10px; }
.mobile-nav__foot .btn { width: 100%; }
.mobile-nav__phone { display: flex; align-items: center; gap: 9px; padding: 12px 4px; font-size: 14px; color: var(--muted); }
.mobile-nav__phone svg { width: 17px; height: 17px; color: var(--brand); }
.mobile-nav__phone strong { color: var(--navy); font-size: 16px; }

/* ---------- 4. 首页 Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(26, 77, 255, .45), transparent 62%),
    radial-gradient(720px 520px at 4% 108%, rgba(0, 179, 255, .16), transparent 60%),
    linear-gradient(158deg, #07111f 0%, #0a1830 52%, #081426 100%);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(760px 520px at 68% 30%, #000 20%, transparent 78%);
  mask-image: radial-gradient(760px 520px at 68% 30%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 56px;
  align-items: center;
  padding: 84px 0 92px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  font-size: 12.5px;
  font-weight: 600;
  color: #dbe9ff;
}
.hero__badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #39e6b4;
  box-shadow: 0 0 0 4px rgba(57, 230, 180, .18);
}
.hero h1 {
  margin: 20px 0 20px;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.12;
  letter-spacing: -.032em;
  font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #8fd8ff 0%, #4d8cff 48%, #00e0ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  max-width: 560px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .72);
}
.hero__lead strong { color: #fff; font-weight: 600; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 30px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .68);
}
.hero__points span { display: inline-flex; align-items: center; gap: 7px; }
.hero__points svg { width: 16px; height: 16px; color: #4fd1ff; }

.trust-strip { position: relative; z-index: 1; border-top: 1px solid rgba(255, 255, 255, .1); background: rgba(255, 255, 255, .025); }
.trust-strip__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 0; }
.trust-strip__label { font-size: 12px; letter-spacing: .14em; color: rgba(255, 255, 255, .45); text-transform: uppercase; white-space: nowrap; }
.trust-strip__items { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 26px; }
.trust-strip__items span { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: rgba(255, 255, 255, .75); }
.trust-strip__items svg { width: 15px; height: 15px; color: #39e6b4; }

/* 浏览器模型 */
.mock-wrap { position: relative; padding: 16px 4px; }
.mock {
  position: relative;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  background: #0d1b31;
  box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .9);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-6deg) rotateX(2deg);
  transition: transform .6s var(--ease);
}
.mock-wrap:hover .mock { transform: perspective(1200px) rotateY(0) rotateX(0); }
.mock__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 14px;
  background: #101f38;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.mock__dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, .18); }
.mock__dot:nth-child(1) { background: #ff6b5e; }
.mock__dot:nth-child(2) { background: #ffc44d; }
.mock__dot:nth-child(3) { background: #3ddc84; }
.mock__url {
  flex: 1;
  margin-left: 8px;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .06);
  font-size: 10.5px;
  color: rgba(255, 255, 255, .5);
  letter-spacing: .04em;
}
.mock__site { padding: 16px; background: #f4f7fd; }
.mock__nav { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.mock__logo { width: 30px; height: 10px; border-radius: 3px; background: linear-gradient(90deg, #1a4dff, #00b3ff); }
.mock__navlines { display: flex; gap: 6px; margin-left: auto; }
.mock__navlines span { width: 26px; height: 5px; border-radius: 3px; background: #cfd9ea; }
.mock__hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 12px;
  padding: 16px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0a1830, #123a7a);
}
.mock__copy { display: flex; flex-direction: column; gap: 7px; justify-content: center; }
.mock__line { height: 7px; border-radius: 4px; background: rgba(255, 255, 255, .22); }
.mock__line--lg { height: 12px; background: rgba(255, 255, 255, .82); }
.mock__line--sm { width: 60%; height: 5px; background: rgba(255, 255, 255, .28); }
.mock__line--w70 { width: 70%; }
.mock__line--w45 { width: 45%; }
.mock__btn { width: 62px; height: 18px; margin-top: 4px; border-radius: 4px; background: linear-gradient(135deg, #ff7a2f, #ff5a1f); }
.mock__visual { position: relative; min-height: 96px; border-radius: 8px; background: linear-gradient(135deg, rgba(0, 179, 255, .5), rgba(26, 77, 255, .15)); overflow: hidden; }
.mock__visual::before,
.mock__visual::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .35);
}
.mock__visual::before { width: 90px; height: 90px; right: -18px; top: -22px; }
.mock__visual::after { width: 56px; height: 56px; right: 18px; bottom: -14px; background: rgba(255, 255, 255, .12); }
.mock__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.mock__grid span { height: 34px; border-radius: 6px; background: #fff; border: 1px solid #e4eaf5; }

.mock-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 11px;
  background: rgba(10, 24, 48, .86);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .8);
  backdrop-filter: blur(8px);
  font-size: 11.5px;
  color: rgba(255, 255, 255, .62);
  animation: float 6s ease-in-out infinite;
}
.mock-float strong { display: block; margin-top: 2px; font-size: 13px; color: #fff; letter-spacing: .01em; }
.mock-float__icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: rgba(57, 230, 180, .14); color: #39e6b4; flex: none; }
.mock-float__icon svg { width: 17px; height: 17px; }
.mock-float--1 { top: 6px; right: -6px; }
.mock-float--2 { bottom: 44px; left: -22px; animation-delay: -2.5s; }
.mock-float--2 .mock-float__icon { background: rgba(56, 132, 255, .16); color: #6ca8ff; }
.mock-float--3 { right: 18px; bottom: -8px; animation-delay: -4s; }
.mock-float--3 .mock-float__icon { background: rgba(255, 176, 32, .14); color: var(--accent-2); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 数据条 */
.stats { background: #fff; border-bottom: 1px solid var(--line); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 42px 0; }
.stat { position: relative; padding-left: 22px; }
.stat::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; border-radius: 2px; background: linear-gradient(#1a4dff, #00b3ff); opacity: .25; }
.stat__num { font-size: clamp(30px, 3.2vw, 42px); font-weight: 800; line-height: 1.1; letter-spacing: -.03em; color: var(--navy); }
.stat__num em { font-style: normal; color: var(--brand); }
.stat__label { margin-top: 7px; font-size: 13px; color: var(--muted); }

/* 行业条 */
.industry-strip { padding: 26px 0; background: #fff; border-bottom: 1px solid var(--line); }
.industry-strip__inner { display: flex; align-items: center; gap: 18px 26px; flex-wrap: wrap; }
.industry-strip__label { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--muted-2); text-transform: uppercase; white-space: nowrap; }
.industry-strip__items { display: flex; flex-wrap: wrap; gap: 8px; }
.industry-strip__items span { padding: 5px 12px; border-radius: 7px; background: var(--soft); font-size: 13px; color: #41526d; }

/* 痛点 */
.pain-card { padding: 26px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.pain-card__head { display: flex; align-items: center; gap: 10px; }
.pain-card__icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: rgba(192, 57, 43, .08); color: #c0392b; flex: none; }
.pain-card__icon svg { width: 17px; height: 17px; }
.pain-card h3 { margin: 0; font-size: 16.5px; }
.pain-card p { margin: 12px 0 14px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.pain-card__fix { display: flex; align-items: flex-start; gap: 8px; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 13.5px; color: #1f6b52; }
.pain-card__fix svg { width: 16px; height: 16px; flex: none; margin-top: 2px; color: var(--green); }

/* 服务卡 */
.service-card { overflow: hidden; }
.service-card::after {
  content: "";
  position: absolute;
  inset: auto -40% -60% auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26, 77, 255, .1), transparent 70%);
  opacity: 0;
  transition: opacity .3s;
}
.service-card:hover::after { opacity: 1; }
.service-card__num { position: absolute; top: 22px; right: 24px; font-size: 12px; font-weight: 700; letter-spacing: .1em; color: #c3cee1; }

/* 深色 SEO 区块 */
.seo-panel { position: relative; overflow: hidden; border-radius: 24px; background: linear-gradient(150deg, #081426, #0a1f42 55%, #0d2f6b); color: #fff; padding: 56px; }
.seo-panel::before { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 179, 255, .22), transparent 65%); }
.seo-panel::after { content: ""; position: absolute; left: -80px; bottom: -160px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(26, 77, 255, .28), transparent 65%); }
.seo-panel__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; gap: 48px; align-items: center; }
.seo-panel h2 { margin: 14px 0 16px; font-size: clamp(26px, 3.2vw, 40px); line-height: 1.25; letter-spacing: -.02em; color: #fff; }
.seo-panel p { color: rgba(255, 255, 255, .7); font-size: 15.5px; line-height: 1.85; }
.seo-panel__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.seo-list-card { border: 1px solid rgba(255, 255, 255, .14); border-radius: 16px; background: rgba(255, 255, 255, .055); padding: 26px; backdrop-filter: blur(6px); }
.seo-list-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; font-size: 12px; letter-spacing: .12em; color: rgba(255, 255, 255, .5); text-transform: uppercase; }
.seo-list-card__head span:last-child { color: #39e6b4; letter-spacing: 0; text-transform: none; }
.seo-list-card ul { display: grid; gap: 11px; }
.seo-list-card li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: rgba(255, 255, 255, .82); }
.seo-list-card li svg { width: 16px; height: 16px; flex: none; color: #39e6b4; }
.seo-note { display: flex; align-items: flex-start; gap: 8px; margin-top: 18px; font-size: 12px; line-height: 1.7; color: rgba(255, 255, 255, .5); }
.seo-note svg { width: 14px; height: 14px; flex: none; margin-top: 2px; }

/* 价格卡 */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.price-card--featured {
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box, linear-gradient(135deg, #1a4dff, #00b3ff) border-box;
  box-shadow: 0 30px 60px -34px rgba(26, 77, 255, .55);
}
.price-card__tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff7a2f, #ff5a1f);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .05em;
  white-space: nowrap;
  box-shadow: 0 8px 18px -8px rgba(255, 90, 31, .9);
}
.price-card__name { font-size: 18px; font-weight: 700; color: var(--navy); }
.price-card__desc { margin-top: 5px; font-size: 13px; color: var(--muted); }
.price-card__price { display: flex; align-items: baseline; gap: 4px; margin: 18px 0 4px; }
.price-card__price strong { font-size: 42px; font-weight: 800; line-height: 1; letter-spacing: -.03em; color: var(--navy); }
.price-card__price span { font-size: 14px; color: var(--muted); }
.price-card__meta { font-size: 12px; color: var(--muted-2); }
.price-card__years { margin-top: 10px; padding: 7px 10px; border-radius: 8px; background: #f2f6ff; font-size: 11.5px; line-height: 1.55; color: #4a5b78; }
.price-card ul { display: grid; gap: 10px; margin: 22px 0 26px; font-size: 13.5px; color: #33415a; }
.price-card ul li { display: flex; align-items: flex-start; gap: 8px; line-height: 1.55; }
.price-card ul svg { width: 16px; height: 16px; flex: none; margin-top: 2px; color: var(--green); }
.price-card .btn { margin-top: auto; }
.price-card__note { margin-top: 12px; text-align: center; font-size: 12px; color: var(--muted-2); }
.pricing-grid--four { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.price-card--compact { padding: 26px 22px; }
.price-card--compact .price-card__price strong { font-size: 34px; }
.price-card--compact .price-card__name { font-size: 16.5px; }
.price-card--compact ul { font-size: 13px; }
.price-card--compact .price-card__years { font-size: 11px; padding: 6px 9px; }
.price-card--compact .price-card__desc { min-height: 44px; }
@media (max-width: 1120px) {
  .pricing-grid--four { grid-template-columns: repeat(2, 1fr); }
  .price-card--compact .price-card__desc { min-height: 0; }
}
.pricing-note { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 24px; margin-top: 28px; font-size: 13px; color: var(--muted); }
.pricing-note span { display: inline-flex; align-items: center; gap: 7px; }
.pricing-note svg { width: 16px; height: 16px; color: var(--brand); }

/* 案例 */
.case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fff; transition: transform .3s var(--ease), box-shadow .3s; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-thumb { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; overflow: hidden; background: linear-gradient(140deg, var(--thumb-a, #0b1b35), var(--thumb-b, #15408a)); }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .5s var(--ease); }
.case-card:hover .case-thumb img { transform: scale(1.04); }
.case-browser { width: 100%; border-radius: 7px; background: #fff; box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .5); overflow: hidden; transform: translateY(5px); transition: transform .4s var(--ease); }
.case-card:hover .case-browser { transform: none; }
.case-browser__bar { display: flex; align-items: center; gap: 4px; height: 18px; padding: 0 8px; background: #eef2f9; }
.case-browser__bar i { width: 4px; height: 4px; border-radius: 50%; background: #c3cee1; }
.case-browser__body { padding: 10px; }
.case-browser__nav { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.case-browser__logo { width: 26px; height: 7px; border-radius: 2px; background: var(--accent, #1a4dff); }
.case-browser__nav i { width: 16px; height: 3px; border-radius: 2px; background: #dbe3f0; }
.case-browser__nav i:first-of-type { margin-left: auto; }
.case-browser__hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 8px; padding: 10px; border-radius: 5px; background: linear-gradient(135deg, var(--accent, #1a4dff), var(--accent-2, #0b1b35)); }
.case-browser__copy { display: flex; flex-direction: column; gap: 4px; justify-content: center; }
.case-browser__copy i { height: 4px; border-radius: 2px; background: rgba(255, 255, 255, .4); }
.case-browser__copy i:nth-child(2) { height: 7px; background: rgba(255, 255, 255, .9); }
.case-browser__copy i:nth-child(3) { width: 70%; }
.case-browser__copy b { width: 34px; height: 11px; margin-top: 2px; border-radius: 2px; background: #fff; opacity: .9; }
.case-browser__img { min-height: 46px; border-radius: 4px; background: rgba(255, 255, 255, .22); }
.case-browser__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; margin-top: 6px; }
.case-browser__grid i { height: 20px; border-radius: 3px; background: #f0f4fb; border: 1px solid #e6edf8; }
.case-body { padding: 20px 22px 24px; }
.case-body h3 { font-size: 17.5px; color: var(--navy); }
.case-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 9px; font-size: 12px; color: var(--muted); }
.case-meta .tag { padding: 3px 9px; border-radius: 999px; background: var(--soft); color: #456; }
.case-body p { margin-top: 10px; font-size: 13.5px; color: var(--muted); line-height: 1.7; }

.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 30px; }
.filter-btn { padding: 8px 17px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 13.5px; font-weight: 600; color: #3c4c66; transition: .2s; }
.filter-btn:hover { border-color: var(--brand); color: var(--brand); }
.filter-btn.is-active { border-color: var(--navy); background: var(--navy); color: #fff; }
.case-item.is-hidden { display: none; }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; padding: 24px 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-block;
  margin-bottom: 14px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--brand);
}
.step h3 { font-size: 16px; color: var(--navy); }
.step p { margin-top: 7px; font-size: 13px; color: var(--muted); line-height: 1.7; }

/* 优势 */
.advantage { display: flex; gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.advantage:last-child { border-bottom: 0; }
.advantage__num { flex: none; font-size: 13px; font-weight: 800; color: var(--brand); letter-spacing: .06em; padding-top: 3px; }
.advantage h3 { font-size: 17px; color: var(--navy); }
.advantage p { margin-top: 5px; font-size: 14px; color: var(--muted); line-height: 1.75; }

/* 评价 */
.quote-card { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.quote-card__stars { display: flex; gap: 3px; margin-bottom: 14px; color: var(--accent-2); }
.quote-card__stars svg { width: 15px; height: 15px; }
.quote-card p { font-size: 14.5px; line-height: 1.85; color: #2c3a52; }
.quote-card__author { display: flex; align-items: center; gap: 11px; margin-top: auto; padding-top: 20px; }
.quote-card__avatar { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, #e8efff, #d8e8ff); color: var(--brand); font-size: 13px; font-weight: 800; }
.quote-card__author strong { display: block; font-size: 13.5px; color: var(--navy); }
.quote-card__author span { display: block; font-size: 12px; color: var(--muted-2); }

/* FAQ */
.faq { display: grid; gap: 11px; max-width: 880px; margin-inline: auto; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 0 22px; transition: border-color .2s, box-shadow .2s; }
.faq-item[open] { border-color: #c9d7f2; box-shadow: var(--shadow-sm); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 19px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--navy);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--soft);
  font-size: 18px;
  font-weight: 500;
  color: var(--brand);
  transition: transform .25s, background .25s;
}
.faq-item[open] summary::after { transform: rotate(45deg); background: var(--brand); color: #fff; }
.faq-item p { padding: 0 0 20px; font-size: 14.5px; line-height: 1.8; color: var(--muted); }

/* CTA */
.cta-band {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  overflow: hidden;
  padding: 52px 56px;
  border-radius: 24px;
  background: linear-gradient(115deg, #0a1830 0%, #123a86 55%, #1a4dff 100%);
  color: #fff;
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -90px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 224, 255, .25), transparent 65%);
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000);
  mask-image: linear-gradient(90deg, transparent, #000);
}
.cta-band__content { position: relative; z-index: 1; max-width: 640px; }
.cta-band h2 { font-size: clamp(24px, 2.8vw, 34px); line-height: 1.3; letter-spacing: -.02em; }
.cta-band p { margin-top: 10px; font-size: 14.5px; color: rgba(255, 255, 255, .72); }
.cta-band__actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 12px; flex: none; }

/* ---------- 5. 内页 ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 52px 0 64px;
  background:
    radial-gradient(760px 380px at 86% -20%, rgba(26, 77, 255, .4), transparent 65%),
    linear-gradient(155deg, #07111f, #0a1830 58%, #0b2857);
  color: #fff;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(620px 420px at 75% 20%, #000, transparent 75%);
  mask-image: radial-gradient(620px 420px at 75% 20%, #000, transparent 75%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 20px; font-size: 12.5px; color: rgba(255, 255, 255, .5); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb svg { width: 13px; height: 13px; opacity: .55; }
.page-hero h1 { max-width: 900px; font-size: clamp(30px, 4vw, 48px); line-height: 1.18; letter-spacing: -.03em; font-weight: 800; }
.page-hero__lead { max-width: 720px; margin-top: 16px; font-size: 16px; line-height: 1.8; color: rgba(255, 255, 255, .7); }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.page-hero__chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.page-hero__chips span { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 999px; background: rgba(255, 255, 255, .06); font-size: 12.5px; color: rgba(255, 255, 255, .78); }
.page-hero__chips svg { width: 14px; height: 14px; color: #39e6b4; }

.split { display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.split--wide-left { grid-template-columns: 1.12fr .88fr; }
.split h2 { margin: 14px 0 16px; font-size: clamp(26px, 3.2vw, 40px); line-height: 1.25; letter-spacing: -.02em; color: var(--navy); }
.split p { color: var(--muted); font-size: 15.5px; line-height: 1.85; }
.split__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.info-panel { padding: 32px; border: 1px solid var(--line); border-radius: 18px; background: var(--soft); }
.info-panel h3 { margin-bottom: 16px; font-size: 17px; color: var(--navy); }
.info-panel .check-list { gap: 12px; }

.mini-table { width: 100%; font-size: 14px; }
.mini-table th { width: 34%; padding: 11px 0; text-align: left; font-weight: 600; color: var(--muted); border-bottom: 1px dashed var(--line); vertical-align: top; }
.mini-table td { padding: 11px 0; color: var(--text); border-bottom: 1px dashed var(--line); }
.mini-table tr:last-child th,
.mini-table tr:last-child td { border-bottom: 0; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.compare { width: 100%; min-width: 720px; font-size: 14px; }
.compare th,
.compare td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: left; }
.compare thead th { background: #f7f9fe; font-size: 13px; font-weight: 700; color: var(--navy); }
.compare thead th:not(:first-child) { text-align: center; }
.compare td:not(:first-child) { text-align: center; }
.compare tbody tr:last-child td,
.compare tbody tr:last-child th { border-bottom: 0; }
.compare .is-highlight { background: rgba(26, 77, 255, .045); }
.compare .is-highlight th { color: var(--brand); }
.compare .yes { color: var(--green); font-weight: 700; }
.compare .no { color: #b3bfd1; }
.compare svg { width: 17px; height: 17px; margin-inline: auto; }

.service-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.detail-card { padding: 30px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.detail-card h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 18px; color: var(--navy); }
.detail-card h3 svg { width: 20px; height: 20px; color: var(--brand); }
.detail-card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.detail-card .check-list { margin-top: 16px; gap: 8px; }
.detail-card .check-list li { font-size: 13.5px; }

.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.spec-grid--two { grid-template-columns: repeat(2, 1fr); }
.spec { padding: 22px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.spec strong { display: block; font-size: 15px; color: var(--navy); }
.spec span { display: block; margin-top: 5px; font-size: 12.5px; color: var(--muted); }

.addon-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.addon { display: flex; align-items: flex-start; gap: 13px; padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.addon__icon { display: grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 9px; background: rgba(26, 77, 255, .07); color: var(--brand); }
.addon__icon svg { width: 18px; height: 18px; }
.addon strong { display: block; font-size: 14.5px; color: var(--navy); }
.addon span { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted); }

/* 博客 */
.post-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fff; transition: transform .3s var(--ease), box-shadow .3s; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-cover { position: relative; display: flex; align-items: flex-end; min-height: 168px; padding: 22px; background: linear-gradient(135deg, var(--cover-a, #0a1830), var(--cover-b, #1a4dff)); overflow: hidden; }
.post-cover::before { content: ""; position: absolute; right: -30px; top: -40px; width: 150px; height: 150px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .25); }
.post-cover::after { content: ""; position: absolute; right: 14px; top: 8px; width: 64px; height: 64px; border-radius: 50%; background: rgba(255, 255, 255, .1); }
.post-cover span { position: relative; z-index: 1; padding: 4px 10px; border-radius: 999px; background: rgba(255, 255, 255, .16); font-size: 11.5px; font-weight: 600; color: #fff; letter-spacing: .03em; }
.post-cover strong { position: absolute; right: 18px; bottom: 12px; z-index: 1; font-size: 50px; font-weight: 800; line-height: 1; color: rgba(255, 255, 255, .12); letter-spacing: -.05em; }
.post-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.post-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted-2); }
.post-meta i { width: 3px; height: 3px; border-radius: 50%; background: #cbd5e4; }
.post-body h3 { margin: 10px 0 8px; font-size: 18px; line-height: 1.5; color: var(--navy); }
.post-body p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.post-body .text-link { margin-top: 18px; }
.post-card--wide { display: grid; grid-template-columns: .9fr 1.1fr; }
.post-card--wide .post-cover { min-height: 100%; }
.post-card--wide .post-body { padding: 30px 32px; }
.post-card--wide h3 { font-size: 22px; }

/* 文章 */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 56px; align-items: stretch; }
.article { max-width: 790px; }
.article__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 26px; font-size: 12.5px; color: var(--muted); }
.article h2 { margin: 42px 0 14px; padding-left: 14px; border-left: 4px solid var(--brand); font-size: 26px; line-height: 1.45; letter-spacing: -.015em; color: var(--navy); scroll-margin-top: 110px; }
.article h3 { margin: 28px 0 10px; font-size: 19px; color: var(--navy); }
.article p { margin-bottom: 16px; font-size: 15.5px; line-height: 1.9; color: #2b3a52; }
.article ul, .article ol { margin: 0 0 18px; padding-left: 22px; color: #2b3a52; }
.article ul { list-style: disc; }
.article ol { list-style: decimal; }
.article li { margin-bottom: 8px; font-size: 15px; line-height: 1.85; }
.article strong { color: var(--navy); }
.article a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.article blockquote { margin: 24px 0; padding: 18px 22px; border-left: 4px solid var(--brand); border-radius: 0 10px 10px 0; background: #f5f8ff; color: #243552; font-size: 14.5px; line-height: 1.85; }
.article blockquote p { margin: 0; font-size: 14.5px; }
.article table { width: 100%; margin: 20px 0 24px; border: 1px solid var(--line); border-radius: 10px; font-size: 13.5px; overflow: hidden; }
.article th, .article td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; }
.article th { background: #f7f9fe; color: var(--navy); }
.article tr:last-child td { border-bottom: 0; }
.article__footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.article__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.article__tags span { padding: 5px 12px; border-radius: 999px; background: var(--soft); font-size: 12px; color: #4a5a73; }

.toc { position: sticky; top: 100px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: #f8faff; }
.toc strong { display: block; margin-bottom: 12px; font-size: 12px; letter-spacing: .1em; color: var(--muted-2); text-transform: uppercase; }
.toc a { display: block; padding: 6px 0; font-size: 13px; color: #42536d; border-bottom: 1px dashed #e6ecf6; }
.toc a:last-child { border-bottom: 0; }
.toc a:hover { color: var(--brand); }
.toc__cta { margin-top: 16px; }
.toc__cta .btn { width: 100%; }
.author-box { display: flex; gap: 15px; margin-top: 36px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.author-box__avatar { display: grid; place-items: center; width: 48px; height: 48px; flex: none; border-radius: 50%; background: linear-gradient(135deg, #1a4dff, #00b3ff); color: #fff; font-size: 16px; font-weight: 800; }
.author-box strong { display: block; font-size: 14.5px; color: var(--navy); }
.author-box p { margin: 5px 0 0; font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.related { margin-top: 64px; }
.related h2 { font-size: 24px; color: var(--navy); }
.related__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
.related__item { display: block; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: border-color .2s, transform .2s; }
.related__item:hover { border-color: #c7d5ee; transform: translateY(-2px); }
.related__item span { font-size: 11.5px; color: var(--brand); font-weight: 700; }
.related__item strong { display: block; margin-top: 6px; font-size: 14.5px; line-height: 1.55; color: var(--navy); }

/* 关于 */
.timeline { display: grid; gap: 0; }
.timeline__item { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.timeline__item:last-child { border-bottom: 0; }
.timeline__year { font-size: 18px; font-weight: 800; color: var(--brand); letter-spacing: -.01em; }
.timeline__body strong { display: block; font-size: 15.5px; color: var(--navy); }
.timeline__body p { margin-top: 4px; font-size: 13.5px; color: var(--muted); line-height: 1.7; }

.value-card { padding: 28px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.value-card h3 { margin: 16px 0 8px; font-size: 17px; color: var(--navy); }
.value-card p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }

/* 联系 */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.contact-list { display: grid; gap: 0; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; padding: 17px 0; border-bottom: 1px dashed var(--line); }
.contact-item:last-child { border-bottom: 0; }
.contact-item__icon { display: grid; place-items: center; width: 38px; height: 38px; flex: none; border-radius: 10px; background: rgba(26, 77, 255, .07); color: var(--brand); }
.contact-item__icon svg { width: 18px; height: 18px; }
.contact-item strong { display: block; font-size: 13px; font-weight: 600; color: var(--muted); }
.contact-item a, .contact-item span { display: block; margin-top: 2px; font-size: 16px; font-weight: 700; color: var(--navy); }
.contact-item small { display: block; margin-top: 3px; font-size: 12px; color: var(--muted-2); }

.form-card { padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-md); }
.form-card h2 { font-size: 22px; color: var(--navy); }
.form-card > p { margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 22px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 600; color: #3b4a62; }
.field label em { font-style: normal; color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%;
  height: 46px;
  padding: 0 13px;
  border: 1px solid #d9e1ee;
  border-radius: 9px;
  background: #fff;
  font-size: 14px;
  color: var(--text);
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { height: auto; min-height: 112px; padding: 11px 13px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(26, 77, 255, .1); outline: none; }
.field input::placeholder, .field textarea::placeholder { color: #a7b3c5; }
.form-grid .btn { grid-column: 1 / -1; margin-top: 4px; }
.form-note { grid-column: 1 / -1; font-size: 11.5px; line-height: 1.7; color: var(--muted-2); }
.form-status { display: none; grid-column: 1 / -1; padding: 11px 14px; border-radius: 9px; background: #eaf9f2; color: #0a7d57; font-size: 13px; }
.form-status.is-visible { display: block; }

/* 404 */
.error-page { display: grid; place-items: center; min-height: 62vh; padding: 80px 0; text-align: center; }
.error-page__code { font-size: clamp(90px, 16vw, 180px); font-weight: 800; line-height: 1; letter-spacing: -.06em; background: linear-gradient(135deg, #1a4dff, #00b3ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.error-page h1 { margin: 18px 0 10px; font-size: clamp(24px, 3vw, 34px); color: var(--navy); }
.error-page p { color: var(--muted); }
.error-page__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }
.error-page__search { width: min(560px, 100%); margin: 28px auto 0; }
.error-page__search-row { display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 16px; background: #fff; border: 1px solid #d8deea; border-radius: 12px; box-shadow: 0 6px 20px rgba(10, 24, 48, .06); transition: border-color .2s, box-shadow .2s; }
.error-page__search-row:focus-within { border-color: #1a4dff; box-shadow: 0 6px 24px rgba(26, 77, 255, .18); }
.error-page__search-row svg { flex-shrink: 0; width: 20px; height: 20px; color: #8694a9; }
.error-page__search-row input { flex: 1; min-width: 0; border: 0; outline: 0; font-size: 15px; color: var(--navy); background: transparent; }
.error-page__search-row input::placeholder { color: #a6b1c4; }
.error-page__search-hint { margin: 12px 0 0; font-size: 12.5px; color: #8694a9; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* 页脚 */
.site-footer { padding: 64px 0 0; background: #060f1e; color: rgba(255, 255, 255, .62); font-size: 13.5px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 46px; }
.footer__brand .brand__name { color: #fff; }
.footer__brand .brand__sub { color: rgba(255, 255, 255, .38); }
.footer__desc { max-width: 300px; margin-top: 16px; font-size: 13px; line-height: 1.8; color: rgba(255, 255, 255, .5); }
.footer__badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.footer__badges span { padding: 4px 9px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 6px; font-size: 11px; color: rgba(255, 255, 255, .55); }
.site-footer h4 { margin-bottom: 15px; font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: #fff; text-transform: uppercase; }
.footer__links { display: grid; gap: 9px; }
.footer__links a { font-size: 13px; color: rgba(255, 255, 255, .55); transition: color .2s; }
.footer__links a:hover { color: #fff; }
.footer__contact { display: grid; gap: 11px; }
.footer__contact a, .footer__contact span { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .55); }
.footer__contact svg { width: 15px; height: 15px; flex: none; margin-top: 3px; color: #67d4ff; }
.footer__contact strong { color: #fff; font-size: 14px; }
.footer__bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .09); font-size: 12px; color: rgba(255, 255, 255, .38); }
.footer__bottom a:hover { color: #fff; }
.footer__bottom nav { display: flex; flex-wrap: wrap; gap: 16px; }

/* 移动端悬浮条 */
.mobile-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  display: none;
  gap: 8px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .97);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.mobile-bar a {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 48px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 700;
}
.mobile-bar a span { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.15; }
.mobile-bar a span strong { font-size: 12px; font-weight: 700; letter-spacing: .01em; opacity: .92; }
.mobile-bar svg { width: 18px; height: 18px; flex-shrink: 0; }
.mobile-bar__call { background: #eef3ff; color: var(--brand); }
.mobile-bar__quote { background: linear-gradient(135deg, #ff7a2f, #ff5a1f); color: #fff; }

/* 页脚微信二维码 */
.footer__wechat { display: flex; align-items: center; gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .09); }
.footer__wechat img { width: 88px; height: 88px; border-radius: 10px; background: #fff; padding: 5px; }
.footer__wechat span { font-size: 12.5px; line-height: 1.6; color: rgba(255, 255, 255, .55); }

/* 联系页微信面板 */
.wechat-panel { position: sticky; top: 100px; padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-md); text-align: center; }
.wechat-panel__icon { display: inline-grid; place-items: center; width: 52px; height: 52px; margin-bottom: 16px; border-radius: 14px; background: linear-gradient(135deg, #07c160, #0aa653); color: #fff; box-shadow: 0 12px 24px -12px rgba(7, 193, 96, .7); }
.wechat-panel__icon svg { width: 27px; height: 27px; }
.wechat-panel__head h2 { font-size: 22px; color: var(--navy); }
.wechat-panel__head p { margin-top: 8px; font-size: 13.5px; color: var(--muted); }
.wechat-panel__qr { margin: 24px 0; padding: 22px; border: 1px dashed #c6d3e8; border-radius: 14px; background: var(--soft); }
.wechat-panel__qr img { width: 200px; height: 200px; margin-inline: auto; border-radius: 10px; }
.wechat-panel__qr p { margin-top: 12px; font-size: 12.5px; color: var(--muted); }
.wechat-panel__qr strong { display: block; margin-top: 4px; font-size: 21px; letter-spacing: .04em; color: var(--brand); }
.wechat-panel__note { margin-top: 10px; font-size: 12px; color: var(--muted-2); }

/* 右侧漂浮客服 —— 参考 sohokey.cn 纯色块风格 */
.float-bar { position: fixed; right: 14px; bottom: 90px; z-index: 85; display: flex; flex-direction: column; gap: 2px; }
.float-bar__item { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 68px; height: 72px; padding: 0; border: 0; border-radius: 8px 8px 8px 8px; color: #fff; font: inherit; cursor: pointer; transition: filter .15s, transform .15s; overflow: visible; }
.float-bar__item:hover { filter: brightness(1.08); }
.float-bar__item:active { transform: scale(.96); }
.float-bar__item svg { width: 30px; height: 30px; }
.float-bar__label { font-size: 13px; font-weight: 700; line-height: 1; }
.float-bar__online { position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; border-radius: 50%; background: #31e06a; box-shadow: 0 0 0 0 rgba(49, 224, 106, .6); animation: float-pulse 1.8s infinite; z-index: 2; }
@keyframes float-pulse {
  0% { box-shadow: 0 0 0 0 rgba(49, 224, 106, .55); }
  70% { box-shadow: 0 0 0 7px rgba(49, 224, 106, 0); }
  100% { box-shadow: 0 0 0 0 rgba(49, 224, 106, 0); }
}
.float-bar__item--qq { background: #00aaff; border-radius: 8px 8px 0 0; }
.float-bar__item--wechat { background: #58a81c; border-radius: 0; }
.float-bar__item--phone { background: #ff811b; border-radius: 0; }
.float-bar__item--top { background: #666; border-radius: 0 0 8px 8px; display: none; }
.float-bar__item--top.is-visible { display: flex; }
.float-bar__qr { position: absolute; right: calc(100% + 8px); top: 50%; display: block; width: 170px; padding: 14px; border-radius: 10px; background: #fff; box-shadow: var(--shadow-lg); text-align: center; opacity: 0; visibility: hidden; transform: translateY(-50%) scale(.92); transform-origin: right center; transition: opacity .2s, transform .2s, visibility .2s; }
.float-bar__qr img { width: 142px; height: 142px; margin-inline: auto; border-radius: 8px; }
.float-bar__qr-text { display: block; margin-top: 8px; font-size: 12.5px; line-height: 1.55; color: var(--text); }
.float-bar__qr-text strong { color: #58a81c; font-size: 15px; }
.float-bar__qr-link { display: inline-block; margin-top: 10px; font-size: 12px; color: var(--brand); text-decoration: none; }
.float-bar__qr-link:hover { text-decoration: underline; }
.float-bar__item--wechat:hover .float-bar__qr,
.float-bar__item--wechat:focus-visible .float-bar__qr,
.float-bar__item--wechat.is-open .float-bar__qr { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }
.float-bar__phone-tip { position: absolute; right: calc(100% + 8px); top: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 150px; height: 72px; background: #ff811b; border-radius: 8px; color: #fff; opacity: 0; visibility: hidden; transform: scale(.92); transform-origin: right center; transition: opacity .2s, transform .2s, visibility .2s; white-space: nowrap; }
.float-bar__phone-tip strong { font-size: 17px; font-weight: 700; letter-spacing: .02em; }
.float-bar__phone-tip small { font-size: 11px; opacity: .9; margin-top: 2px; }
.float-bar__item--phone:hover .float-bar__phone-tip,
.float-bar__item--phone:focus-visible .float-bar__phone-tip,
.float-bar__item--phone.is-open .float-bar__phone-tip { opacity: 1; visibility: visible; transform: scale(1); }

/* ---------- 6. 响应式 ---------- */
@media (max-width: 1120px) {
  .nav { gap: 0; }
  .nav a { padding: 9px 9px; font-size: 14px; }
  .header__phone { display: none; }
  .header__inner { gap: 18px; }
}

@media (max-width: 1024px) {
  .nav { display: none; }
  .header__actions { display: none; }
  .menu-toggle { display: inline-flex; }
  .header__inner { min-height: 66px; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; padding: 64px 0 76px; }
  .hero__lead { max-width: 640px; }
  .mock-wrap { max-width: 620px; margin-inline: auto; width: 100%; }
  .seo-panel { padding: 44px; }
  .seo-panel__grid { grid-template-columns: 1fr; gap: 34px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card--featured { transform: none; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .article-layout { grid-template-columns: 1fr; gap: 36px; }
  .toc { position: static; order: -1; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__grid > div:last-child { grid-column: 1 / -1; }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .addon-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container, .container--wide { width: calc(100% - 36px); }
  .section { padding: 68px 0; }
  .section--tight { padding: 52px 0; }
  .topbar { display: none; }
  .trust-strip__inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .trust-strip__items { gap: 8px 18px; }
  .hero__inner { padding: 52px 0 64px; }
  .hero h1 { font-size: clamp(30px, 8vw, 42px); }
  .hero__badge { font-size: 11.5px; }
  .mock-float--1 { right: -4px; }
  .mock-float--2 { left: -8px; }
  .mock-float--3 { right: 8px; }
  .stats__grid { padding: 32px 0; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .service-detail { grid-template-columns: 1fr; }
  .addon-grid { grid-template-columns: 1fr; }
  .post-card--wide { grid-template-columns: 1fr; }
  .post-card--wide .post-cover { min-height: 168px; }
  .related__grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; gap: 26px; padding: 36px 28px; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { flex: 1; }
  .page-hero { padding: 38px 0 48px; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 62px; }
  .float-bar { right: 8px; bottom: 72px; gap: 2px; }
  .float-bar__item { width: 58px; height: 62px; }
  .float-bar__item svg { width: 26px; height: 26px; }
  .float-bar__label { font-size: 12px; }
  .float-bar__online { width: 7px; height: 7px; top: 5px; right: 5px; }
  .float-bar__item--top { display: none; }
  .float-bar__item--top.is-visible { display: flex; }
  .float-bar__qr { right: calc(100% + 6px); width: 158px; padding: 12px; }
  .float-bar__qr img { width: 134px; height: 134px; }
  .float-bar__phone-tip { right: calc(100% + 6px); width: 130px; height: 62px; }
  .float-bar__phone-tip strong { font-size: 15px; }
  .float-bar__item--wechat.is-open .float-bar__qr { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }
  .float-bar__item--phone.is-open .float-bar__phone-tip { opacity: 1; visibility: visible; transform: scale(1); }
  .form-card { padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 72px 1fr; gap: 16px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .footer__grid > div:first-child { grid-column: 1 / -1; }
  .footer__grid > div:last-child { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .article h2 { font-size: 22px; }
}

@media (max-width: 480px) {
  .hero__actions .btn { width: 100%; }
  .hero__points { gap: 9px 16px; font-size: 12.5px; }
  .mock-float { padding: 8px 10px; font-size: 10px; }
  .mock-float strong { font-size: 11.5px; }
  .mock-float__icon { width: 27px; height: 27px; }
  .mock-float--2 { bottom: 30px; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat { padding-left: 16px; }
  .steps { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-grid--two { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .article-layout { gap: 26px; }
}

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