/* ================================================================
   微云科技官网 v2 · 蓝白 / 苹果液态玻璃 + 华为式猛设计
   纯 CSS，零依赖。核心：#007AFF / #0A84FF / #5AC8FA / #F5F7FA
   ================================================================ */

:root {
  --blue: #007AFF;
  --blue-2: #0A84FF;
  --blue-3: #5AC8FA;
  --navy: #0B3D6B;          /* 深蓝仅作辅助 */
  --ink: #10263F;
  --ink-2: #47607B;
  --muted: #6E8298;
  --bg: #F5F7FA;
  --white: #fff;

  --glass-bg: rgba(255, 255, 255, .62);
  --glass-bg-strong: rgba(255, 255, 255, .78);
  --glass-line: rgba(255, 255, 255, .85);
  --glass-shadow: 0 18px 48px rgba(0, 90, 190, .10), 0 4px 14px rgba(16, 38, 63, .05);
  --glass-shadow-hover: 0 28px 66px rgba(0, 100, 220, .18), 0 6px 20px rgba(16, 38, 63, .08);

  --r-lg: 32px;
  --r-md: 26px;
  --r-sm: 18px;
  --maxw: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  line-height: 1.65;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul { margin-top: 0; }
ul { padding: 0; list-style: none; }
button, input, select, textarea { font-family: inherit; }

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

/* ---------------- 流体渐变背景（华为式蓝蓝渐变 + 几何圆弧） ---------------- */
.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(10, 132, 255, .14), transparent 65%),
    radial-gradient(900px 620px at -12% 32%, rgba(90, 200, 250, .16), transparent 62%),
    linear-gradient(180deg, #fff 0%, #F5F7FA 42%, #F5F7FA 100%);
}
.blob { position: absolute; display: block; border-radius: 50%; filter: blur(60px); opacity: .5; }
.blob-a {
  width: 620px; height: 620px; top: -240px; right: -160px;
  background: radial-gradient(circle at 35% 35%, #5AC8FA, #0A84FF 58%, transparent 72%);
}
.blob-b {
  width: 520px; height: 520px; top: 38%; left: -280px;
  background: radial-gradient(circle at 60% 40%, rgba(90, 200, 250, .85), rgba(0, 122, 255, .35) 60%, transparent 74%);
  opacity: .32;
}
.blob-c {
  width: 760px; height: 760px; bottom: -420px; right: -220px;
  border-radius: 50%; border: 90px solid rgba(10, 132, 255, .07);
  background: transparent; filter: none;
}

/* 巨大几何圆弧装饰 */
.hero::before {
  content: "";
  position: absolute;
  width: 780px; height: 780px;
  top: -430px; right: -280px;
  border: 1px solid rgba(0, 122, 255, .18);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(0, 122, 255, .035), 0 0 0 190px rgba(0, 122, 255, .025);
  pointer-events: none;
}

/* ---------------- 液态玻璃通用类 ---------------- */
.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  backdrop-filter: blur(26px) saturate(180%);
  border: 1px solid var(--glass-line);
  border-radius: var(--r-md);
  box-shadow: var(--glass-shadow);
  position: relative;
}
/* 顶部高光渐变 */
.glass::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 46%;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, .55), rgba(255, 255, 255, 0));
  pointer-events: none;
}
/* hover 光泽 */
.glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .42) 48%, transparent 66%);
  opacity: 0;
  transform: translateX(-30%);
  transition: opacity .5s ease, transform .7s ease;
  pointer-events: none;
}
.glass:hover::after { opacity: 1; transform: translateX(30%); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .2px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-lg { min-height: 56px; padding: 15px 32px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

.btn-blue {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-2), var(--blue));
  box-shadow: 0 10px 26px rgba(0, 122, 255, .32);
}
.btn-blue:hover { box-shadow: 0 16px 36px rgba(0, 122, 255, .44); }
.btn-glass {
  color: var(--ink);
  background: rgba(255, 255, 255, .55);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, .9);
  box-shadow: 0 8px 22px rgba(0, 90, 190, .10);
}
.btn-glass:hover { background: rgba(255, 255, 255, .85); }
.btn-white { color: var(--blue); background: #fff; box-shadow: 0 12px 30px rgba(0, 40, 110, .22); }
.btn-white:hover { box-shadow: 0 18px 40px rgba(0, 40, 110, .32); }
.btn-ghost { color: var(--blue); background: transparent; border-color: rgba(0, 122, 255, .35); }
.btn-ghost:hover { background: rgba(0, 122, 255, .08); }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 250, .68);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, .72);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.is-stuck {
  box-shadow: 0 10px 34px rgba(0, 90, 190, .12);
  background: rgba(255, 255, 255, .78);
}
.header-inner { display: flex; align-items: center; gap: 22px; min-height: 76px; }

.logo { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.logo-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 13px;
  color: #fff; font-size: 22px; font-weight: 800;
  background: linear-gradient(135deg, var(--blue-3), var(--blue-2) 52%, var(--blue));
  box-shadow: 0 8px 20px rgba(0, 122, 255, .32), inset 0 1px 1px rgba(255, 255, 255, .5);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 18px; letter-spacing: .5px; }
.logo-text span { font-size: 10px; color: var(--muted); letter-spacing: 1.4px; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  transition: color .2s, background .2s;
}
.nav a:hover { color: var(--blue); background: rgba(255, 255, 255, .7); }
.nav a.is-active { color: var(--blue); background: rgba(0, 122, 255, .10); }
.nav a.nav-huoke {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-2), var(--blue));
  box-shadow: 0 6px 16px rgba(0, 122, 255, .28);
}
.nav a.nav-huoke:hover { color: #fff; box-shadow: 0 10px 24px rgba(0, 122, 255, .42); }
.nav a.nav-huoke.is-active { background: var(--navy); }

.header-cta { min-height: 42px; padding: 9px 18px; font-size: 13px; flex: none; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  flex: none;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .6);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block; width: 20px; height: 2px; margin: 4px auto;
  border-radius: 2px; background: var(--blue);
  transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------- Hero（华为式超大字号 / 非对称） ---------------- */
.hero { position: relative; overflow: hidden; padding: 92px 0 96px; }
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  max-width: 100%;
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .4px;
  color: var(--blue);
  background: rgba(255, 255, 255, .68);
}
.hero-title {
  margin: 26px 0 22px;
  font-size: clamp(44px, 8.4vw, 108px);
  line-height: 1.06;
  font-weight: 850;
  letter-spacing: -1.5px;
}
.hero-title .dot { color: var(--blue-3); }
.hero-title .line2 {
  display: block;
  margin-top: 12px;
  font-size: clamp(30px, 5.2vw, 68px);
  font-weight: 850;
  letter-spacing: -1px;
}
.grad-text {
  background: linear-gradient(100deg, var(--blue), var(--blue-2) 45%, #2AB6F5 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead { max-width: 720px; font-size: clamp(15px, 1.6vw, 19px); color: var(--ink-2); margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 64px; }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat {
  padding: 26px 22px;
  display: flex; flex-direction: column; gap: 2px;
  transform: translateY(0);
  transition: transform .3s ease, box-shadow .3s ease;
}
.stat:hover { transform: translateY(-6px); box-shadow: var(--glass-shadow-hover); }
.stat b {
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1;
  font-weight: 850;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--blue), #3FB9F7);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { font-size: 13px; color: var(--ink-2); font-weight: 600; }

/* ---------------- Section 通用 ---------------- */
.section { padding: 100px 0; position: relative; }
.section--soft { background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(10, 132, 255, .045), rgba(255, 255, 255, 0)); }
.section-head { max-width: 780px; margin-bottom: 52px; }
.kicker {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--blue);
  background: rgba(0, 122, 255, .10);
  border: 1px solid rgba(0, 122, 255, .16);
}
.section-title {
  margin: 22px 0 16px;
  font-size: clamp(30px, 4.4vw, 58px);
  line-height: 1.14;
  font-weight: 850;
  letter-spacing: -1px;
}
.section-sub { font-size: 16px; color: var(--ink-2); max-width: 720px; }

/* ---------------- 网格卡片 ---------------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.service-card { padding: 32px 30px 28px; transition: transform .35s ease, box-shadow .35s ease; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--glass-shadow-hover); }
.service-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 18px;
  margin-bottom: 22px;
  color: var(--blue);
  background: linear-gradient(135deg, rgba(0, 122, 255, .14), rgba(90, 200, 250, .16));
  border: 1px solid rgba(255, 255, 255, .9);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, .8);
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 10px; }
.service-card p { font-size: 14.5px; color: var(--ink-2); min-height: 76px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.service-tags li {
  font-size: 12px; font-weight: 600; color: var(--blue);
  padding: 5px 12px; border-radius: 999px;
  background: rgba(0, 122, 255, .08);
  border: 1px solid rgba(0, 122, 255, .12);
}

.custom-strip {
  margin-top: 26px;
  padding: 34px 38px;
  display: flex; align-items: center; justify-content: space-between; gap: 26px;
  background: linear-gradient(105deg, rgba(255, 255, 255, .85), rgba(220, 240, 255, .62));
}
.custom-strip h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.custom-strip h3 em { font-style: normal; color: var(--blue); }
.custom-strip p { font-size: 14.5px; color: var(--ink-2); margin: 0; max-width: 760px; }

/* ---------------- 案例 ---------------- */
.case-card { overflow: hidden; transition: transform .35s ease, box-shadow .35s ease; }
.case-card:hover { transform: translateY(-8px); box-shadow: var(--glass-shadow-hover); }
.case-media { aspect-ratio: 780 / 437; overflow: hidden; background: #E8F2FD; }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.case-card:hover .case-media img { transform: scale(1.05); }
.case-media--placeholder {
  display: grid; place-items: center;
  background: linear-gradient(140deg, #0A84FF, #5AC8FA);
  color: #fff; text-align: center;
}
.case-media--placeholder .tile {
  width: 88px; height: 88px; margin: 0 auto 14px;
  display: grid; place-items: center;
  font-size: 44px; font-weight: 800;
  border-radius: 24px;
  background: rgba(255, 255, 255, .22);
  border: 1px solid rgba(255, 255, 255, .6);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
}
.case-media--placeholder small { font-size: 13px; letter-spacing: 2px; opacity: .9; }
.case-body { padding: 26px 28px 30px; }
.case-tag { font-size: 12px; font-weight: 700; color: var(--blue); letter-spacing: .5px; }
.case-body h3 { font-size: 20px; font-weight: 800; margin: 10px 0; }
.case-body p { font-size: 14px; color: var(--ink-2); min-height: 68px; }
.case-link { font-size: 14px; font-weight: 700; color: var(--blue); }
.case-link .arrow { display: inline-block; transition: transform .25s; }
.case-link:hover .arrow { transform: translate(3px, -3px); }
.case-note {
  font-size: 12.5px; line-height: 1.6; color: var(--ink-2);
  padding: 12px 14px; border-radius: 14px;
  background: rgba(0, 122, 255, .07);
  border: 1px dashed rgba(0, 122, 255, .22);
}

/* ---------------- 获客模块：强对比蓝白大色块 ---------------- */
.huoke { padding: 40px 0 100px; }
.huoke-panel {
  position: relative;
  overflow: hidden;
  padding: 84px 56px 72px;
  border-radius: 44px;
  background: linear-gradient(135deg, #007AFF 0%, #0A84FF 44%, #3AB4F7 100%);
  box-shadow: 0 34px 90px rgba(0, 100, 220, .28), inset 0 1px 1px rgba(255, 255, 255, .35);
  color: #fff;
}
.huoke-panel::before {
  content: "";
  position: absolute;
  width: 640px; height: 640px;
  top: -330px; right: -180px;
  border-radius: 50%;
  border: 80px solid rgba(255, 255, 255, .09);
  pointer-events: none;
}
.huoke-panel::after {
  content: "AI";
  position: absolute;
  top: 40px; right: 40px;
  font-size: clamp(120px, 18vw, 250px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -14px;
  color: rgba(255, 255, 255, .10);
  pointer-events: none;
  user-select: none;
}
.huoke-panel > * { position: relative; z-index: 1; }
.kicker--light { color: #fff; background: rgba(255, 255, 255, .18); border-color: rgba(255, 255, 255, .4); }
.section-title--light { color: #fff; font-size: clamp(38px, 5.6vw, 76px); }
.section-sub--light { color: rgba(255, 255, 255, .9); }

.platforms {
  display: flex; flex-wrap: wrap; gap: 10px;
  padding: 14px; margin-bottom: 30px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, .35);
}
.platforms li {
  flex: 1 1 auto;
  text-align: center;
  padding: 9px 18px;
  font-size: 14px; font-weight: 700;
  border-radius: 999px;
  background: rgba(255, 255, 255, .16);
}

.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 64px; }
.feature {
  padding: 26px 24px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, .38);
  box-shadow: 0 14px 34px rgba(0, 50, 130, .12);
  transition: transform .3s, background .3s;
}
.feature:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .26); }
.feature h4 { font-size: 16px; font-weight: 800; margin-bottom: 8px; }
.feature p { font-size: 13.5px; color: rgba(255, 255, 255, .88); margin: 0; }

.price-head { text-align: center; margin-bottom: 34px; }
.price-head h3 { font-size: clamp(24px, 3vw, 36px); font-weight: 850; margin-bottom: 8px; }
.price-head p { font-size: 14px; color: rgba(255, 255, 255, .86); margin: 0; }

.price-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.price-card {
  padding: 32px 28px;
  border-radius: var(--r-md);
  display: flex; flex-direction: column;
  background: rgba(255, 255, 255, .20);
  -webkit-backdrop-filter: blur(28px) saturate(180%); backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, .5);
  box-shadow: 0 18px 44px rgba(0, 50, 130, .16), inset 0 1px 0 rgba(255, 255, 255, .5);
  transition: transform .35s, box-shadow .35s;
}
.price-card:hover { transform: translateY(-8px); box-shadow: 0 30px 60px rgba(0, 40, 120, .3), inset 0 1px 0 rgba(255, 255, 255, .6); }
.price-card--featured {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
  transform: scale(1.045);
  box-shadow: 0 30px 70px rgba(0, 30, 100, .35);
  z-index: 2;
}
.price-card--featured:hover { transform: scale(1.045) translateY(-8px); }
.price-card .plan { font-size: 26px; font-weight: 850; }
.price-card .plan-sub { font-size: 13px; color: rgba(255, 255, 255, .85); margin: 6px 0 20px; min-height: 40px; }
.price-card--featured .plan-sub { color: var(--muted); }
.ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  padding: 6px 20px; border-radius: 999px;
  font-size: 12px; font-weight: 800; letter-spacing: 1px;
  color: #fff; background: linear-gradient(135deg, #0A84FF, #007AFF);
  box-shadow: 0 8px 18px rgba(0, 80, 200, .35);
  white-space: nowrap;
}
.tiers { margin-bottom: 24px; flex: 1; }
.tier {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .3);
  font-size: 13px;
}
.price-card--featured .tier { border-bottom-color: rgba(0, 122, 255, .14); }
.tier:last-child { border-bottom: 0; }
.tier .label { font-weight: 700; opacity: .9; flex: none; }
.tier .amount { font-size: clamp(22px, 2.4vw, 30px); font-weight: 850; letter-spacing: -1px; white-space: nowrap; }
.tier .amount small { font-size: 12px; font-weight: 600; margin-left: 2px; opacity: .8; }
.tier .save { font-size: 11.5px; opacity: .8; }
.price-card--featured .tier .amount { color: var(--blue); }
.price-card--featured .tier .save { color: var(--muted); opacity: 1; }
.price-note { text-align: center; margin: 30px 0 0; font-size: 13px; color: rgba(255, 255, 255, .9); }

/* ---------------- 交付流程 ---------------- */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.step { padding: 30px 28px; transition: transform .35s, box-shadow .35s; }
.step:hover { transform: translateY(-8px); box-shadow: var(--glass-shadow-hover); }
.step-no {
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 900; line-height: 1; letter-spacing: -3px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(0, 122, 255, .9), rgba(90, 200, 250, .55));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--ink-2); margin: 0; }

/* ---------------- 联系 + 表单 ---------------- */
.contact { padding-bottom: 110px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.contact-info { padding: 38px 36px; }
.contact-info > h3 { font-size: 22px; font-weight: 850; margin-bottom: 28px; }
.info-row { display: flex; gap: 16px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid rgba(0, 122, 255, .10); }
.info-ico {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 14px; color: var(--blue);
  background: rgba(0, 122, 255, .09);
  border: 1px solid rgba(255, 255, 255, .9);
}
.info-ico svg { width: 21px; height: 21px; }
.info-row .label { font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: .5px; }
.tel-link { display: inline-block; font-size: 26px; font-weight: 850; color: var(--blue); letter-spacing: -.5px; }
.info-row .value { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.contact-cta { margin-top: 28px; padding-top: 26px; border-top: 1px solid rgba(0, 122, 255, .10); }
.contact-cta h4 { font-size: 20px; font-weight: 800; line-height: 1.5; margin-bottom: 8px; }
.contact-cta h4 em { font-style: normal; color: var(--blue); }
.contact-cta p { font-size: 14px; color: var(--ink-2); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.lead-card { padding: 38px 36px; }
.lead-card > h3 { font-size: 26px; font-weight: 850; margin-bottom: 6px; }
.lead-sub { font-size: 14px; color: var(--ink-2); margin-bottom: 26px; }
.lead-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field label { font-size: 13px; font-weight: 700; color: var(--ink); }
.req { color: var(--blue); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .78);
  box-shadow: inset 0 1px 3px rgba(16, 38, 63, .06);
  color: var(--ink);
  font-size: 15px;
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
  -webkit-appearance: none; appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23007AFF' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.field textarea { resize: vertical; min-height: 104px; line-height: 1.6; }
.field input::placeholder, .field textarea::placeholder { color: #9AAEC2; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0, 122, 255, .14);
}
.field input.is-invalid, .field select.is-invalid { border-color: #FF453A; box-shadow: 0 0 0 3px rgba(255, 69, 58, .13); }
.form-status { min-height: 22px; margin: 0; font-size: 14px; font-weight: 600; }
.form-status.is-ok { color: #0B8A4B; }
.form-status.is-err { color: #D8362A; }
#leadSubmit:disabled { opacity: .65; cursor: wait; transform: none; }

/* ---------------- 页脚 ---------------- */
.site-footer {
  color: rgba(255, 255, 255, .82);
  background: linear-gradient(135deg, #062E5C, var(--navy) 58%, #0B4F94);
  padding: 56px 0 26px;
}
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .16); }
.footer-brand strong { display: block; font-size: 20px; color: #fff; }
.footer-brand span { display: block; font-size: 11px; letter-spacing: 1.6px; margin-top: 6px; opacity: .65; }
.footer-brand p { margin: 14px 0 0; font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; align-content: flex-start; max-width: 460px; }
.footer-links a { font-size: 14px; transition: color .2s; }
.footer-links a:hover { color: #5AC8FA; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: 12.5px; opacity: .7; }

/* ---------------- 悬浮拨号 ---------------- */
.float-call {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 56px; height: 56px; display: grid; place-items: center;
  border-radius: 50%; color: #fff;
  background: linear-gradient(135deg, var(--blue-2), var(--blue));
  box-shadow: 0 14px 32px rgba(0, 122, 255, .42);
  transition: opacity .3s, transform .3s;
}
.float-call:hover { transform: scale(1.08); }
.float-call.is-hidden { opacity: 0; pointer-events: none; transform: scale(.8); }
.float-call svg { width: 24px; height: 24px; }

/* ---------------- 入场渐显 ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
/* 与卡片 hover transform 共存 */
.service-card.is-visible, .case-card.is-visible, .step.is-visible, .stat, .price-card.is-visible { transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .35s ease, box-shadow .35s ease; }
.glass.reveal.is-visible::after { opacity: 0; }
.glass.reveal.is-visible:hover::after { opacity: 1; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .glass::after { display: none; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1100px) {
  .header-cta { display: none; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .huoke-panel { padding: 66px 36px 56px; }
}

@media (max-width: 900px) {
  .container { width: min(var(--maxw), calc(100% - 36px)); }
  .section { padding: 76px 0; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; gap: 26px; max-width: 520px; margin-inline: auto; }
  .price-card--featured { transform: none; }
  .price-card--featured:hover { transform: translateY(-8px); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .custom-strip { flex-direction: column; align-items: flex-start; }
  .huoke-panel::after { font-size: 120px; top: 20px; right: 20px; }
}

@media (max-width: 760px) {
  /* 移动端玻璃导航 */
  .nav-toggle { display: block; margin-left: auto; }
  .site-header { background: rgba(245, 247, 250, .72); }
  .header-inner { min-height: 66px; gap: 12px; }
  .nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 18px; right: 18px;
    margin: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 14px;
    border-radius: 26px;
    background: rgba(255, 255, 255, .72);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, .9);
    box-shadow: 0 24px 56px rgba(0, 80, 180, .2);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 13px 16px; font-size: 15px; }
  .nav a.nav-huoke { text-align: center; }
  .logo-text strong { font-size: 16px; }
  .logo-text span { font-size: 9px; letter-spacing: .6px; }
  .logo-mark { width: 38px; height: 38px; font-size: 20px; border-radius: 12px; }

  .hero { padding: 64px 0 72px; }
  .hero-badge { font-size: 10.5px; padding: 8px 14px; line-height: 1.5; }
  .hero-title { margin: 22px 0 18px; letter-spacing: -.8px; }
  .hero-title .line2 { margin-top: 10px; }
  .hero-actions { margin-bottom: 44px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .hero-lead { font-size: 15px; }
  .section-head { margin-bottom: 36px; }
  .grid-3, .steps, .features { grid-template-columns: 1fr; }
  .service-card, .case-card, .step, .feature { padding: 26px 22px; }
  .service-card p, .case-body p { min-height: 0; }
  .huoke { padding: 20px 0 76px; }
  .huoke-panel { padding: 52px 22px 48px; border-radius: 30px; }
  .huoke-panel::after { display: none; }
  .platforms { border-radius: 22px; }
  .platforms li { flex: 1 1 28%; padding: 8px 6px; font-size: 13px; }
  .custom-strip { padding: 28px 22px; }
  .custom-strip .btn { width: 100%; }
  .contact-info, .lead-card { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .tel-link { font-size: 23px; }
  .site-footer { padding: 44px 0 22px; }
  .footer-top { flex-direction: column; gap: 26px; }
  .float-call { right: 16px; bottom: 16px; width: 50px; height: 50px; }
  .blob-a { width: 420px; height: 420px; top: -180px; right: -200px; }
  .hero::before { width: 420px; height: 420px; top: -260px; right: -240px; }
}

@media (max-width: 380px) {
  .container { width: calc(100% - 28px); }
  .hero-title { font-size: 40px; }
  .hero-title .line2 { font-size: 26px; }
  .section-title { font-size: 28px; }
  .section-title--light { font-size: 34px; }
  .stat { padding: 20px 16px; }
  .stat b { font-size: 38px; }
}