/* ==========================================================================
   TextBoost SMS — 官网首页（独立编写的高保真静态复刻）
   版式基准：内容容器 1140px 居中；主色 #6366f1；深底 #0a1425
   ========================================================================== */

/* ---------- 字体 ---------- */
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans-latin-500-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans-latin-700-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans-latin-800-normal.woff2") format("woff2");
}

/* ---------- 设计变量 ---------- */
:root {
  --primary: #6366f1;
  --primary-2: #4f52c1;
  --primary-050: #f3f4ff;
  --primary-100: #eeecff;
  --primary-200: #e3e1fe;
  --dark: #0a1425;
  --dark-2: #1c2b43;
  --ink: #0a1425;
  --body: #64728f;
  --muted: #93a0b8;
  --line: #eaeaec;
  --white: #fff;
  --indigo-deep: #454a97;
  --soft-blue: #e9efff;
  --soft-blue-2: #dbe6ff;
  --soft-green: #e5f8ef;
  --soft-violet: #ecebff;
  --soft-orange: #fff2e6;
  --soft-red: #ffecee;
  --soft-cyan: #e2f8ff;
  --blue-ico: #3d7bfd;
  --green-ico: #10b981;
  --violet-ico: #7c5cf0;
  --orange-ico: #f59e0b;
  --red-ico: #ef4444;
  --cyan-ico: #06b6d4;
  --font: "Plus Jakarta Sans", "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --radius: 6px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --shadow-sm: 0 4px 14px rgba(10, 20, 37, 0.06);
  --shadow: 0 12px 34px rgba(10, 20, 37, 0.1);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-2); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.25; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 15px; }
.text-center { text-align: center; }

/* 眉题小字（SMS Solution / WHY CHOOSE US ...） */
.eyebrow {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.64px;
  line-height: 16px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.is-theme .eyebrow { color: #aab2ff; }

/* 区块标题 */
.section-title { font-size: 40px; line-height: 1.25; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.5px; }
.section-lead { font-size: 17px; line-height: 1.7; color: var(--body); }

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all 0.25s ease;
  text-align: center;
}
.btn-lg { padding: 12px 56px; }
.btn-sm { padding: 6px 16px; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-2); border-color: var(--primary-2); color: #fff; }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: #f0f0f7; color: var(--ink); }
.btn-outline-primary { background: #fff; color: var(--primary); border-color: #d3d5f9; }
.btn-outline-primary:hover { background: var(--primary-050); border-color: var(--primary); color: var(--primary-2); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.4); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }

/* 图标软色块 */
.ico-soft-blue { background: var(--soft-blue); color: var(--blue-ico); }
.ico-soft-green { background: var(--soft-green); color: var(--green-ico); }
.ico-soft-violet { background: var(--soft-violet); color: var(--violet-ico); }
.ico-soft-orange { background: var(--soft-orange); color: var(--orange-ico); }
.ico-soft-red { background: var(--soft-red); color: var(--red-ico); }
.ico-soft-cyan { background: var(--soft-cyan); color: var(--cyan-ico); }

/* ==========================================================================
   页头 / 导航
   ========================================================================== */
.page-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 100;
  color: #fff;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.page-header.is-scrolled {
  position: fixed;
  background: #fff;
  box-shadow: 0 6px 24px rgba(10, 20, 37, 0.08);
  color: var(--ink);
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 84px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; }
.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 17px;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}
.brand-name { font-size: 21px; font-weight: 800; letter-spacing: -0.3px; }
.brand-name small { font-size: 10px; font-weight: 700; letter-spacing: 1.6px; opacity: 0.8; margin-left: 3px; vertical-align: 1px; }
/* 品牌 logo 图片版 */
.brand-mark { background: transparent; box-shadow: none; padding: 0; }
.brand-logo { width: 100%; height: 100%; display: block; border-radius: 11px; object-fit: cover; }
.page-header.is-scrolled .brand, .brand-dark { color: var(--ink); }

/* 导航列表 */
.main-nav { display: flex; align-items: center; gap: 20px; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 24px 16px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
  font-weight: 600;
  background: none;
  border: 0;
}
.nav-link:hover, .nav-item:hover .nav-link { color: #fff; }
.page-header.is-scrolled .nav-link { color: var(--ink); }
.page-header.is-scrolled .nav-link:hover,
.page-header.is-scrolled .nav-item:hover .nav-link { color: var(--primary); }
.caret { font-size: 10px; opacity: 0.7; transition: transform 0.25s ease; }
.nav-item:hover .caret { transform: rotate(180deg); }
.header-cta { display: flex; align-items: center; gap: 14px; margin-left: 2px; }
.header-cta .xlang-sw { margin-left: 0; }

/* 下拉面板 */
.drop-panel {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 250px;
  background: var(--dark-2);
  border-radius: 14px;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  box-shadow: 0 24px 48px rgba(4, 10, 24, 0.4);
}
.drop-panel::before {
  content: "";
  position: absolute;
  top: -18px;
  left: 0;
  right: 0;
  height: 18px;
}
.nav-item:hover .drop-panel, .nav-item:focus-within .drop-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.drop-list li + li { border-top: 1px solid rgba(255, 255, 255, 0.06); }
.drop-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px;
  border-radius: 10px;
  color: #fff;
}
.drop-row:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.drop-ico {
  flex: 0 0 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 16px;
}
.drop-txt { display: flex; flex-direction: column; line-height: 1.35; }
.drop-txt b { font-size: 15px; font-weight: 600; }
.drop-txt small { font-size: 12px; color: rgba(255, 255, 255, 0.55); margin-top: 2px; }
.tag-new {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
  background: linear-gradient(135deg, #f43f5e, #fb923c);
  border-radius: 99px;
  vertical-align: 2px;
}
.drop-panel.drop-mega { min-width: 620px; padding: 14px; }
.drop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.drop-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 15px;
  font-weight: 500;
}
.drop-link i { width: 18px; text-align: center; color: rgba(255, 255, 255, 0.6); }
.drop-link:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }

/* 移动端汉堡 */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
}
.nav-burger span { height: 2px; background: #fff; border-radius: 2px; transition: all 0.25s ease; }
.page-header.is-scrolled .nav-burger { background: rgba(10, 20, 37, 0.06); border-color: rgba(10, 20, 37, 0.15); }
.page-header.is-scrolled .nav-burger span { background: var(--ink); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
  padding-top: 88px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(640px 420px at 85% -10%, rgba(99, 102, 241, 0.5), transparent 60%),
    radial-gradient(520px 400px at -10% 20%, rgba(14, 165, 233, 0.22), transparent 60%),
    radial-gradient(700px 520px at 55% 130%, rgba(139, 92, 246, 0.25), transparent 65%);
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1.4px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, transparent 10%, #000 45%, transparent 90%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 540px 1fr;
  gap: 30px;
  align-items: center;
  padding-top: 106px;
  padding-bottom: 32px;
}

/* Hero 文案 */
.hero-title {
  font-size: 48px;
  line-height: 1.33;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.hero-title-accent {
  display: block;
  background: linear-gradient(100deg, #a5b4fc 0%, #c4b5fd 50%, #7dd3fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-lead {
  font-size: 20px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  max-width: 520px;
}
.hero-cta { display: flex; gap: 16px; margin-top: 48px; }
.hero-chips {
  margin-top: 52px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero-chips li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
  font-weight: 500;
}
.hero-chips i { color: #6ee7b7; font-size: 18px; }

/* Hero 右侧演示图（CSS 绘制） */
.hero-art { position: relative; height: 660px; }
.dash-mock {
  position: absolute;
  top: 26px;
  right: 10px;
  width: 560px;
  background: linear-gradient(160deg, #131f3a, #0d1730);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  box-shadow: 0 40px 90px rgba(2, 6, 20, 0.55);
  overflow: hidden;
}
.dm-top {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.dm-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.22); }
.dm-dot:first-child { background: #fb7185; }
.dm-dot:nth-child(2) { background: #fbbf24; }
.dm-dot:nth-child(3) { background: #34d399; }
.dm-url {
  margin-left: auto;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.06);
  padding: 3px 10px;
  border-radius: 99px;
}
.dm-url i { margin-right: 4px; font-size: 9px; color: #6ee7b7; }
.dm-body { display: grid; grid-template-columns: 84px 1fr; min-height: 300px; }
.dm-side {
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dm-line { height: 9px; border-radius: 6px; background: rgba(255, 255, 255, 0.12); }
.dm-line.on { background: linear-gradient(90deg, #6366f1, #8b5cf6); height: 12px; }
.dm-main { padding: 20px 22px; }
.dm-stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.dm-stat {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
}
.dm-stat b { font-size: 17px; font-weight: 700; color: #fff; }
.dm-stat small { font-size: 11px; color: rgba(255, 255, 255, 0.55); margin-top: 2px; }
.dm-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 120px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
}
.dm-chart span {
  flex: 1;
  height: var(--h, 50%);
  border-radius: 5px;
  background: linear-gradient(180deg, #6366f1, #8b5cf6);
  opacity: 0.9;
}
.dm-chart span:nth-child(even) { background: linear-gradient(180deg, #22d3ee, #6366f1); }
.dm-rows { display: flex; flex-direction: column; gap: 10px; }
.dm-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 9px 12px;
}
.dm-row i { width: 22px; height: 22px; border-radius: 7px; background: rgba(99, 102, 241, 0.45); flex: none; }
.dm-row b { flex: 1; height: 8px; border-radius: 6px; background: rgba(255, 255, 255, 0.25); }
.dm-row u { width: 48px; height: 8px; border-radius: 6px; background: rgba(255, 255, 255, 0.18); text-decoration: none; }

/* 漂浮小卡片 */
.hero-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(2, 6, 20, 0.35);
  animation: floaty 5s ease-in-out infinite;
}
.hero-float i {
  width: 36px;
  height: 36px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 15px;
}
.hero-float span { display: flex; flex-direction: column; line-height: 1.3; }
.hero-float b { font-size: 13.5px; color: var(--ink); }
.hero-float small { font-size: 11.5px; color: var(--body); }
.hero-float.f1 { top: 120px; left: 0; }
.hero-float.f1 i { background: var(--soft-green); color: var(--green-ico); }
.hero-float.f2 { bottom: 120px; right: 4px; animation-delay: 1.4s; }
.hero-float.f2 i { background: var(--soft-violet); color: var(--violet-ico); }
.hero-float.f3 { top: 18px; right: -14px; animation-delay: 0.8s; }
.hero-float.f3 i { background: var(--soft-cyan); color: var(--cyan-ico); }
.hero-float.f4 { bottom: -10px; left: -26px; animation-delay: 2.2s; }
.hero-float.f4 i { background: var(--soft-orange); color: var(--orange-ico); }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 信任条（底部） */
.trust-bar {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 44px 0 46px;
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-note {
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.trust-logos { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.brand-logo-sample {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.4px;
}
.brand-logo-sample i { color: rgba(255, 255, 255, 0.4); font-size: 13px; }

/* ==========================================================================
   通用区块
   ========================================================================== */
.section { padding: 96px 0; }
.section-solutions { background: #fff; padding: 86px 0; }
.section-head { max-width: 900px; margin: 0 auto 60px; }
.section-head .section-title { font-size: 40px; }
.section-head.text-center .section-title { margin-bottom: 8px; }
.section-head.text-center .section-lead { margin: 0 auto; max-width: 760px; }

/* ==========================================================================
   解决方案（行业）
   ========================================================================== */
.solutions-stage {
  display: grid;
  grid-template-columns: 1fr 350px 1fr;
  gap: 30px;
  align-items: center;
}
.industry-col { display: flex; flex-direction: column; gap: 24px; }
.industry-item {
  text-align: center;
  padding: 24px 20px;
  border-radius: 16px;
  transition: all 0.25s ease;
}
.industry-item:hover { background: #f8f9ff; }
.industry-ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  font-size: 22px;
}
.industry-item h4 { font-size: 20px; margin-bottom: 8px; }
.industry-item p { font-size: 15px; line-height: 1.65; color: var(--body); }
.more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 15px;
  font-weight: 600;
}
.more i { transition: transform 0.2s ease; }
.more:hover i { transform: translateX(4px); }

/* 中间手机示意 */
.industry-stage { position: relative; display: flex; justify-content: center; }
.phone-mock {
  width: 250px;
  background: linear-gradient(170deg, #17203d, #0d1730);
  border: 3px solid rgba(255, 255, 255, 0.9);
  border-radius: 34px;
  padding: 0 10px 14px;
  box-shadow: 0 34px 70px rgba(10, 20, 37, 0.24);
}
.pm-speaker { width: 54px; height: 5px; background: rgba(10, 20, 37, 0.16); border-radius: 99px; margin: 9px auto 8px; }
.pm-screen {
  background: #eef1ff;
  border-radius: 22px;
  height: 420px;
  overflow: hidden;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pm-msg {
  background: #fff;
  border-radius: 6px 16px 16px 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  box-shadow: 0 4px 12px rgba(10, 20, 37, 0.05);
}
.pm-msg.mine { border-radius: 16px 6px 16px 16px; background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.pm-msg span { height: 8px; border-radius: 6px; background: #e5e8fb; width: 88%; }
.pm-msg span:nth-child(2) { width: 58%; }
.pm-msg.mine span { background: rgba(255, 255, 255, 0.55); }
.pm-bar {
  margin-top: auto;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(90deg, #6366f1, #22d3ee);
}

/* ==========================================================================
   短信产品（Tabs）
   ========================================================================== */
.section-products { background: #fff; padding: 132px 0 172px; }
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 70px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}
.product-tab {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px 10px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--body);
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s ease;
}
.tab-ico {
  width: 42px;
  height: 42px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  font-size: 16px;
}
.product-tab:hover { background: #f7f8ff; color: var(--ink); }
.product-tab.active { background: #f5f6ff; color: var(--ink); box-shadow: inset 0 -2px 0 var(--primary); }
.product-panels { position: relative; }
.product-panel { display: none; }
.product-panel.active {
  display: grid;
  grid-template-columns: minmax(0, 480px) 1fr;
  gap: 60px;
  align-items: center;
}

.showcase-visual {
  position: relative;
  height: 560px;
  border-radius: 24px;
  background: linear-gradient(145deg, #6366f1 0%, #7c5cf0 55%, #22d3ee 130%);
  overflow: hidden;
}
.sv-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(300px 200px at 80% 0%, rgba(255, 255, 255, 0.35), transparent 60%);
}
.sv-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  color: #fff;
  font-size: 20px;
  backdrop-filter: blur(4px);
}
.sv-window {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: 0 24px 50px rgba(10, 20, 37, 0.22);
}
.sv-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}
.sv-title i { color: var(--primary); }
.sv-line { display: block; height: 8px; border-radius: 6px; background: #e6e9fd; margin-bottom: 10px; }
.sv-line:nth-of-type(3) { width: 62%; }
.sv-btn {
  margin-top: 14px;
  width: 120px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
}

.type-list { display: flex; flex-direction: column; gap: 44px; }
.type-row { display: flex; gap: 20px; align-items: center; min-height: 150px; }
.type-ico {
  flex: none;
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 17px;
  background: var(--primary-050);
  color: var(--primary);
  font-size: 22px;
}
.type-text h4 { font-size: 20px; margin-bottom: 8px; }
.type-text p { font-size: 15.5px; line-height: 1.8; color: var(--body); }
.panel-cta { display: flex; gap: 14px; margin-top: 6px; }

/* ==========================================================================
   优势
   ========================================================================== */
.section-advantage { background: #eeecff; padding: 150px 0; }
.advantage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 24px;
}
.adv-card {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  background: #fff;
  border-radius: 16px;
  padding: 34px 32px;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.08);
}
.adv-ico {
  flex: none;
  width: 62px;
  height: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 21px;
}
.adv-body h4 { font-size: 20px; margin-bottom: 10px; }
.adv-body p { font-size: 15.5px; line-height: 1.75; color: var(--body); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.section-faq { background: #fff; padding: 152px 0 164px; }
.faq-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 64px;
}
.faq-head-left { max-width: 680px; }
.faq-head .section-title { margin-bottom: 6px; }
.faq-head-links { display: flex; gap: 12px; padding-bottom: 6px; }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 24px;
}
.faq-card {
  position: relative;
  background: #fff;
  border: 1px solid #eff0f6;
  border-radius: 16px;
  padding: 34px 30px 32px;
  transition: all 0.25s ease;
}
.faq-card:hover { border-color: #d9dcfb; box-shadow: var(--shadow-sm); }
.faq-ico {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #dcddf3;
  font-size: 20px;
}
.faq-card h5 {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
  padding-right: 30px;
}
.faq-card p { font-size: 15px; line-height: 1.8; color: var(--body); }

/* ==========================================================================
   使用流程（深色）
   ========================================================================== */
.section-flow {
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 166px 0 160px;
}
.section-flow::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 360px at 100% 0%, rgba(99, 102, 241, 0.35), transparent 60%),
    radial-gradient(460px 340px at 0% 100%, rgba(34, 211, 238, 0.16), transparent 60%);
  pointer-events: none;
}
.section-flow .wrap { position: relative; }
.section-flow .section-title { color: #fff; }
.section-flow .section-lead { color: rgba(255, 255, 255, 0.62); }
.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  margin-bottom: 56px;
}
.flow-steps::before {
  content: "";
  position: absolute;
  top: 70px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.55) 20%, rgba(99, 102, 241, 0.55) 80%, transparent);
}
.flow-step {
  position: relative;
  text-align: center;
  z-index: 1;
}
.flow-num {
  position: absolute;
  top: 2px;
  right: 26%;
  font-size: 11px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 1px;
}
.flow-ico {
  width: 80px;
  height: 80px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(99, 102, 241, 0.9), rgba(139, 92, 246, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 18px 38px rgba(99, 102, 241, 0.4);
  color: #fff;
  font-size: 25px;
}
.flow-step small {
  display: block;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 6px;
}
.flow-step h4 { font-size: 22px; color: #fff; }
.flow-cta { display: flex; justify-content: center; gap: 16px; }

/* ==========================================================================
   数据事实
   ========================================================================== */
.section-facts { background: #fff; position: relative; overflow: hidden; padding: 148px 0; }
.section-facts::before,
.section-facts::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
}
.section-facts::before { background: #e6e8ff; top: -180px; left: -140px; }
.section-facts::after { background: #e2f6ff; bottom: -200px; right: -140px; }
.section-facts .wrap { position: relative; }
.facts-head { max-width: 780px; margin: 0 auto 46px; }
.facts-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}
.facts-head .eyebrow { margin-bottom: 14px; }
.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.facts-grid li { padding: 10px; }
.facts-grid b {
  display: block;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(120deg, #6366f1, #8b5cf6 55%, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.facts-grid em { font-style: normal; font-size: 0.5em; vertical-align: 0.3em; letter-spacing: 0; }
.facts-grid span {
  display: block;
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--body);
}

/* ==========================================================================
   CTA
   ========================================================================== */
.section-cta { background: #fff; padding: 62px 0 66px; }
.cta-panel {
  position: relative;
  background: var(--dark);
  border-radius: 28px;
  padding: 96px 48px;
  text-align: center;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(420px 260px at 12% 0%, rgba(99, 102, 241, 0.5), transparent 60%),
    radial-gradient(460px 300px at 90% 100%, rgba(34, 211, 238, 0.25), transparent 60%);
}
.cta-title {
  position: relative;
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  max-width: 780px;
  margin: 0 auto 34px;
  letter-spacing: -0.3px;
}
.cta-actions { position: relative; }

/* ==========================================================================
   订阅
   ========================================================================== */
.section-newsletter { background: #fff; padding: 46px 0 54px; }
.newsletter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.newsletter-text h4 { font-size: 24px; letter-spacing: -0.36px; margin-bottom: 4px; }
.newsletter-text p { font-size: 15px; color: var(--body); }
.newsletter-form {
  display: flex;
  gap: 10px;
  background: #f6f7fb;
  border: 1px solid #e6e8f3;
  border-radius: 14px;
  padding: 6px;
}
.newsletter-form input {
  flex: 1;
  min-width: 240px;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 15px;
  color: var(--ink);
  padding: 8px 14px;
}
.newsletter-form .btn { border-radius: 9px; }

/* ---------- 解决方案：媒体演示块 ---------- */
.promo-media-wrap { margin: 0 auto 74px; }
.promo-media {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(140deg, #111c38 0%, #1b2450 55%, #0d1730 100%);
  border: 1px solid #e3e6f5;
  box-shadow: 0 26px 60px rgba(10, 20, 37, 0.16);
}
.promo-video { display: block; width: 100%; height: 100%; object-fit: cover; }
.pm-art { position: absolute; inset: 0; overflow: hidden; }
.pm-orb { position: absolute; border-radius: 50%; filter: blur(2px); }
.pm-orb.o1 { width: 320px; height: 320px; right: -60px; top: -90px; background: radial-gradient(circle, rgba(99, 102, 241, 0.55), transparent 70%); }
.pm-orb.o2 { width: 300px; height: 300px; left: -70px; bottom: -110px; background: radial-gradient(circle, rgba(34, 211, 238, 0.4), transparent 70%); }
.pm-orb.o3 { width: 220px; height: 220px; left: 40%; top: -70px; background: radial-gradient(circle, rgba(139, 92, 246, 0.5), transparent 70%); }
.pm-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(6px);
}
.pm-chip i { color: #6ee7b7; }
.pm-chip.c1 { left: 6%; top: 20%; animation: floaty 5.5s ease-in-out infinite; }
.pm-chip.c2 { right: 6%; bottom: 18%; animation: floaty 6.5s ease-in-out infinite 1s; }
.promo-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 92px;
  height: 92px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 28px;
  box-shadow: 0 18px 44px rgba(99, 102, 241, 0.55);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.promo-play:hover { transform: translate(-50%, -50%) scale(1.08); box-shadow: 0 22px 52px rgba(99, 102, 241, 0.7); }
.promo-note {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  letter-spacing: 0.4px;
}
.promo-media.playing .pm-art { opacity: 0.22; }
.promo-media.playing .promo-note { color: rgba(255, 255, 255, 0.85); }
.promo-cta { display: flex; justify-content: center; gap: 16px; margin-top: 34px; }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer { background: #fff; border-top: 1px solid var(--line); }
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding: 38px 15px 24px;
}
.footer-brand p { font-size: 14.5px; line-height: 1.75; color: var(--body); margin: 16px 0 14px; max-width: 420px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  background: #f4f5fa;
  color: var(--body);
  font-size: 17px;
  transition: all 0.2s ease;
}
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-col h5 { font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14.5px; color: var(--body); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13.5px; color: var(--body); }
.footer-bottom a { color: var(--body); font-size: 13.5px; }
.footer-bottom ul { display: flex; gap: 20px; }

/* ==========================================================================
   浮动组件
   ========================================================================== */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 110px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 13px;
  background: #fff;
  color: var(--primary);
  font-size: 15px;
  box-shadow: 0 12px 30px rgba(10, 20, 37, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--primary); color: #fff; }

/* Cookie 横幅 */
.cookie-bar {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%) translateY(20px);
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 720px;
  width: calc(100% - 40px);
  background: #fff;
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: 0 24px 60px rgba(10, 20, 37, 0.22);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}
.cookie-bar.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.cookie-txt { display: flex; align-items: center; gap: 12px; flex: 1; }
.cookie-txt i { color: var(--orange-ico); font-size: 24px; }
.cookie-txt p { font-size: 14px; color: var(--body); }

/* ==========================================================================
   Hero 右侧产品图（源站式叠放构图）
   ========================================================================== */
.hero-art { position: relative; height: 660px; }
.ha-frame {
  position: absolute;
  top: 34px;
  left: 8px;
  width: 520px;
  height: 560px;
  border: 2px dashed rgba(255, 255, 255, 0.28);
  border-radius: 26px;
  transform: rotate(-2deg);
}
.ha-window {
  position: absolute;
  top: 26px;
  right: 0;
  width: 540px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 46px 110px rgba(2, 6, 20, 0.6);
  overflow: hidden;
  transform: rotate(1.6deg);
}
.ha-top {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 44px;
  padding: 0 16px;
  background: #f3f5fb;
  border-bottom: 1px solid #eceef6;
}
.ha-dot { width: 10px; height: 10px; border-radius: 50%; background: #e3e6f2; }
.ha-dot:first-child { background: #f87171; }
.ha-dot:nth-child(2) { background: #fbbf24; }
.ha-dot:nth-child(3) { background: #34d399; }
.ha-url {
  margin-left: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  color: #8a92a8;
  background: #fff;
  border: 1px solid #e6e9f4;
  border-radius: 99px;
  padding: 3px 12px;
}
.ha-url i { color: #34d399; font-size: 9px; }
.ha-avatar {
  margin-left: auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ha-body { display: flex; min-height: 540px; }
.ha-side {
  width: 96px;
  flex: none;
  background: #0e1a33;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ha-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
}
.ha-nav { height: 9px; border-radius: 6px; background: rgba(255, 255, 255, 0.16); }
.ha-nav.on { background: linear-gradient(90deg, #818cf8, #6366f1); height: 30px; border-radius: 8px; }
.ha-main { flex: 1; background: #f6f8ff; padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 14px; }
.ha-toolbar { display: flex; align-items: center; gap: 8px; }
.ha-tt { font-size: 12.5px; font-weight: 800; color: #1b2340; }
.ha-search, .ha-bell {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #e8ebf5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: #98a1b8;
}
.ha-bell { margin-left: auto; }
.ha-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.ha-stat { background: #fff; border: 1px solid #eceff8; border-radius: 12px; padding: 11px 12px; display: flex; flex-direction: column; }
.ha-stat b { font-size: 16px; font-weight: 800; color: #141c38; }
.ha-stat small { font-size: 10px; color: #98a1b8; margin-top: 2px; }
.ha-media { display: flex; gap: 12px; }
.ha-chart {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 168px;
  background: #fff;
  border: 1px solid #eceff8;
  border-radius: 14px;
  padding: 14px;
}
.ha-chart span { flex: 1; height: var(--h, 50%); border-radius: 5px; background: linear-gradient(180deg, #818cf8, #6366f1); }
.ha-chart span:nth-child(even) { background: linear-gradient(180deg, #38bdf8, #6366f1); }
.ha-ring {
  width: 128px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid #eceff8;
  border-radius: 14px;
  position: relative;
}
.ha-ring > i {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: conic-gradient(#6366f1 0 98.7%, #e7eaf6 98.7%);
  display: block;
  position: relative;
}
.ha-ring > i::after {
  content: "";
  position: absolute;
  inset: 12px;
  background: #fff;
  border-radius: 50%;
}
.ha-ring span { position: absolute; text-align: center; display: flex; flex-direction: column; }
.ha-ring b { font-size: 16px; font-weight: 800; color: #141c38; }
.ha-ring b small { font-size: 9px; color: #98a1b8; }
.ha-ring em { font-style: normal; font-size: 9px; color: #98a1b8; margin-top: 1px; }
.ha-list { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.ha-row { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid #eceff8; border-radius: 11px; padding: 8px 10px; }
.ha-row .av {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-style: normal;
  color: #fff;
  font-size: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ha-row .a1 { background: #3d7bfd; }
.ha-row .a2 { background: #22c55e; }
.ha-row .a3 { background: #f59e0b; }
.ha-row b { flex: 1; height: 7px; border-radius: 6px; background: #e6e9f6; }
.ha-row u { width: 56px; height: 7px; border-radius: 6px; background: #eef0f9; text-decoration: none; }

/* 浮动卡片 */
.ha-card { position: absolute; background: #fff; border-radius: 16px; box-shadow: 0 26px 60px rgba(2, 6, 20, 0.4); z-index: 6; animation: floaty 6s ease-in-out infinite; }
.ha-card.card-msg { top: 40px; right: -6px; width: 218px; padding: 14px 14px 12px; transform: rotate(-4deg); }
.ha-card.card-deliver { bottom: 44px; left: -24px; width: 216px; padding: 13px 14px; transform: rotate(3deg); display: flex; align-items: center; gap: 12px; animation-delay: 1.6s; }
.hm-head { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; }
.hm-av {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #22c55e, #34d399);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.hm-head div { display: flex; flex-direction: column; line-height: 1.25; }
.hm-head b { font-size: 12px; color: #141c38; }
.hm-head small { font-size: 9.5px; color: #22c55e; }
.hm-head em { font-style: normal; font-size: 9.5px; color: #a6aec2; margin-left: auto; }
.hm-bubble { font-size: 10.5px; line-height: 1.55; color: #5a647e; background: #f1f3fb; border-radius: 4px 12px 12px 12px; padding: 7px 10px; margin-bottom: 7px; }
.hm-bubble.mine { background: linear-gradient(135deg, #6366f1, #7c5cf0); color: #fff; border-radius: 12px 4px 12px 12px; }
.hm-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
  font-size: 9.5px;
  font-weight: 700;
  color: #10b981;
  background: #e7f8ef;
  border-radius: 99px;
  padding: 3px 9px;
}
.hd-ring {
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: 50%;
  background: #e7f8ef;
  color: #10b981;
  font-size: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.hd-txt { display: flex; flex-direction: column; line-height: 1.35; }
.hd-txt b { font-size: 12.5px; color: #141c38; }
.hd-txt small { font-size: 10px; color: #98a1b8; }

/* ==========================================================================
   Hero 右侧视觉 v3：手机 + 浮动短信卡片（对应源站构图）
   ========================================================================== */
.hero-art { position: relative; height: 660px; }
.hs-glow { position: absolute; border-radius: 50%; filter: blur(6px); }
.hs-glow.g1 { width: 300px; height: 300px; left: 0; top: 40px; background: radial-gradient(circle, rgba(99, 102, 241, 0.5), transparent 70%); animation: floaty 7s ease-in-out infinite; }
.hs-glow.g2 { width: 260px; height: 260px; right: 0; bottom: 30px; background: radial-gradient(circle, rgba(34, 211, 238, 0.34), transparent 70%); animation: floaty 8s ease-in-out infinite 1.4s; }

/* 手机 */
.hs-phone {
  position: absolute;
  left: 50%;
  top: 30px;
  transform: translateX(-50%) rotate(4deg);
  width: 262px;
  background: #0a1022;
  border: 3px solid #1b2440;
  border-radius: 46px;
  box-shadow: 0 46px 100px rgba(2, 6, 20, 0.6);
  z-index: 2;
  padding: 8px;
}
.hs-screen {
  position: relative;
  height: 520px;
  border-radius: 38px;
  background: linear-gradient(180deg, #f7f8ff, #eef1fb);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.hs-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px 4px;
  color: #131a33;
  font-size: 11px;
  font-weight: 700;
}
.hs-ico { display: inline-flex; gap: 5px; font-size: 9px; }
.hs-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 20px;
  background: #0a1022;
  border-radius: 0 0 12px 12px;
  z-index: 3;
}
.hs-chat-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 12px 10px;
  background: #fff;
  border-bottom: 1px solid #edeff7;
  color: #131a33;
  font-size: 12px;
}
.hs-c-av {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.hs-c-name { flex: 1; display: flex; flex-direction: column; line-height: 1.25; }
.hs-c-name b { font-size: 12.5px; }
.hs-c-name small { font-size: 9.5px; color: #22c55e; font-weight: 500; }
.hs-chat { flex: 1; padding: 12px 12px 8px; overflow: hidden; display: flex; flex-direction: column; gap: 7px; }
.hs-date { align-self: center; font-size: 9.5px; color: #98a1b8; background: rgba(255, 255, 255, 0.8); border-radius: 99px; padding: 3px 10px; margin-bottom: 3px; }
.hs-msg { max-width: 84%; font-size: 10.5px; line-height: 1.5; color: #4b5570; padding: 8px 10px; }
.hs-msg.in { align-self: flex-start; background: #fff; border: 1px solid #eceff7; border-radius: 4px 12px 12px 12px; }
.hs-msg.out { align-self: flex-end; background: linear-gradient(135deg, #6366f1, #7c5cf0); color: #fff; border-radius: 12px 4px 12px 12px; }
.hs-msg .read { color: #9be8c9; font-size: 8px; margin-left: 4px; }
.hs-read { align-self: flex-end; font-size: 8.5px; color: #a6aec2; }
.hs-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 12px 10px;
  background: #fff;
  border: 1px solid #e7e9f4;
  border-radius: 99px;
  padding: 9px 9px 9px 14px;
  color: #b4bacb;
  font-size: 10.5px;
}
.hs-input i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 浮动卡片 */
.hs-card {
  position: absolute;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 56px rgba(2, 6, 20, 0.42);
  z-index: 6;
  animation: floaty 6s ease-in-out infinite;
}
.hs-notif { top: 6px; left: -6px; width: 246px; padding: 12px 14px; display: flex; gap: 11px; transform: rotate(-4deg); }
.hs-app-ico {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px rgba(99, 102, 241, 0.4);
}
.hs-notif-body { min-width: 0; }
.hs-notif-top { display: flex; justify-content: space-between; align-items: center; }
.hs-notif-top b { font-size: 11.5px; color: #141c38; }
.hs-notif-top em { font-style: normal; font-size: 9.5px; color: #a6aec2; }
.hs-notif-body p { font-size: 10.5px; line-height: 1.55; color: #68718a; margin-top: 4px; }

.hs-msgcard { bottom: 74px; left: -34px; width: 252px; padding: 12px 13px; display: flex; gap: 10px; align-items: flex-start; transform: rotate(3deg); animation-delay: 1.2s; }
.hs-msgcard-ico {
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 50%;
  background: #e7f8ef;
  color: #10b981;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.hs-msgcard-txt { flex: 1; min-width: 0; }
.hs-msgcard-txt b { font-size: 11.5px; color: #141c38; }
.hs-msgcard-txt p { font-size: 10px; line-height: 1.5; color: #8992a8; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hs-msgcard-time { font-size: 9px; color: #a6aec2; }

.hs-perf { right: -18px; top: 108px; width: 196px; padding: 13px 14px; transform: rotate(-3deg); animation-delay: 2s; }
.hs-perf-top { display: flex; justify-content: space-between; align-items: center; }
.hs-perf-top span { font-size: 11.5px; font-weight: 700; color: #141c38; }
.hs-perf-top b { font-size: 16px; font-weight: 800; color: #10b981; }
.hs-minibar { display: flex; align-items: flex-end; gap: 5px; height: 42px; margin: 9px 0 7px; }
.hs-minibar span { flex: 1; height: var(--h, 50%); border-radius: 4px; background: linear-gradient(180deg, #818cf8, #6366f1); }
.hs-minibar span:nth-child(even) { background: linear-gradient(180deg, #38bdf8, #6366f1); }
.hs-perf small { font-size: 9.5px; color: #98a1b8; }

/* ==========================================================================
   Hero 视觉：手机 + 浮动框（推送 / 保险 / 贷款）
   ========================================================================== */
.hs-card.hs-notif { top: 40px; bottom: auto; left: 8px; right: auto; }
.hs-card.pos-ins2 { top: 438px; bottom: auto; left: -16px; right: auto; width: 240px; animation-delay: 1.5s; }
.hs-card.pos-loan { top: 170px; bottom: auto; right: -14px; left: auto; width: 236px; animation-delay: 2.2s; }

/* ==========================================================================
   解决方案区手机：群发任务实机界面
   ========================================================================== */
.phone-mock .pm-screen.cpm-screen {
  background: linear-gradient(180deg, #f6f8ff, #edf1fb);
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.cpm-head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 12px 10px;
  background: #fff;
  border-bottom: 1px solid #e9ecf6;
  color: #1a2342;
  font-size: 11px;
}
.cpm-head > i { font-size: 11px; }
.cpm-title { display: flex; flex-direction: column; line-height: 1.2; font-size: 11.5px; font-weight: 700; }
.cpm-title b { font-size: 9px; font-weight: 600; color: #8a94ad; }
.cpm-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 9px;
  font-weight: 700;
  color: #10b981;
  background: #e7f8ef;
  border-radius: 99px;
  padding: 3px 8px;
}
.cpm-live i { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; animation: cpmPulse 1.4s ease-in-out infinite; }
@keyframes cpmPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.cpm-prog { margin: 12px 12px 4px; background: #fff; border: 1px solid #e9ecf6; border-radius: 12px; padding: 11px 12px; }
.cpm-prog-top { display: flex; align-items: center; justify-content: space-between; font-size: 10px; color: #8a94ad; }
.cpm-prog-top b { color: #6366f1; font-size: 13px; }
.cpm-bar { height: 7px; border-radius: 99px; background: #edf0fa; margin: 8px 0 6px; overflow: hidden; }
.cpm-bar i { display: block; height: 100%; width: var(--w, 50%); border-radius: 99px; background: linear-gradient(90deg, #6366f1, #8b5cf6); animation: cpmGrow 1.6s ease-out both; }
@keyframes cpmGrow { from { width: 0; } }
.cpm-prog p { font-size: 9px; color: #98a1b8; }
.cpm-label { margin: 10px 14px 4px; font-size: 9px; font-weight: 700; color: #8a94ad; letter-spacing: 0.4px; }
.cpm-list { padding: 2px 10px 4px; display: flex; flex-direction: column; gap: 5px; }
.cpm-list li {
  display: flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1px solid #eceff8;
  border-radius: 10px;
  padding: 6px 8px;
}
.cpm-av { width: 24px; height: 24px; flex: none; border-radius: 50%; color: #fff; font-size: 10px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.cpm-av.a1 { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.cpm-av.a2 { background: linear-gradient(135deg, #f59e0b, #fb7185); }
.cpm-av.a3 { background: linear-gradient(135deg, #22c55e, #34d399); }
.cpm-av.a4 { background: linear-gradient(135deg, #3d7bfd, #06b6d4); }
.cpm-no { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.3; }
.cpm-no b { font-size: 9.5px; color: #1f2a4a; font-weight: 600; }
.cpm-no small { font-size: 8px; color: #9aa3ba; }
.cpm-list em { font-style: normal; font-size: 8.5px; font-weight: 600; white-space: nowrap; }
.cpm-list em.ok { color: #10b981; }
.cpm-list em.ing { color: #f59e0b; }
.cpm-list em.fail { color: #ef4444; }
.cpm-list em i { font-size: 7px; margin-right: 2px; }
.cpm-foot {
  margin: auto 12px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 8.5px;
  color: #8a94ad;
  background: #fff;
  border: 1px solid #e9ecf6;
  border-radius: 99px;
  padding: 6px 10px;
}
.cpm-foot i { color: #6366f1; font-size: 9px; }

/* ==========================================================================
   短信产品：通道展示卡 v2（实机短信界面）
   ========================================================================== */
.showcase-visual {
  background: linear-gradient(150deg, var(--g1, #6366f1) 0%, #6f5fe8 55%, var(--g2, #22d3ee) 130%);
}
.showcase-visual::before {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 240px;
  height: 240px;
  border: 2px dashed rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  pointer-events: none;
}
.showcase-visual::after {
  content: "";
  position: absolute;
  left: 14%;
  top: 6%;
  width: 150px;
  height: 150px;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  pointer-events: none;
}
.svw-chip {
  position: absolute;
  top: 18px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(6px);
}
.svw-types {
  position: absolute;
  top: 96px;
  left: 26px;
  right: 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.svw-type {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(5px);
  color: #fff;
}
.svw-t-ico {
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
}
.svw-t-ico.c1 { background: rgba(255, 255, 255, 0.25); }
.svw-t-ico.c2 { background: rgba(255, 255, 255, 0.2); }
.svw-t-ico.c3 { background: rgba(255, 255, 255, 0.22); }
.svw-tag {
  flex: none;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.svw-type p {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.88);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}
.svw-window {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 18px;
  padding: 15px 16px 13px;
  box-shadow: 0 26px 54px rgba(10, 20, 37, 0.24);
  backdrop-filter: blur(4px);
}
.svw-title { display: flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 800; color: var(--ink); }
.svw-title i { color: var(--g1, #6366f1); }
.svw-msg {
  margin: 11px 0 4px;
  background: #f5f7ff;
  border-left: 3px solid var(--g1, #6366f1);
  border-radius: 10px;
  padding: 9px 11px;
  font-size: 11.5px;
  line-height: 1.5;
  color: #5a647e;
}
.svw-msg b { color: var(--ink); margin-right: 4px; }
.svw-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 9px 0 2px; }
.svw-stats span { display: flex; flex-direction: column; background: #fafbfe; border: 1px solid #eff1f8; border-radius: 9px; padding: 6px 8px; line-height: 1.25; }
.svw-stats b { font-size: 14px; font-weight: 800; color: var(--ink); }
.svw-stats small { font-size: 9px; color: var(--muted); }
.svw-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  border-top: 1px solid #eef0f7;
  padding-top: 10px;
}
.svw-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--g1, #6366f1), var(--g2, #8b5cf6));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.svw-ok { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; color: #10b981; }
.svw-ok i { font-size: 12px; }

/* 长示例短信：允许换行（放大版） */
.svw-types { top: 84px; gap: 10px; }
.svw-type { padding: 10px 12px; border-radius: 12px; gap: 10px; }
.svw-t-ico { width: 30px; height: 30px; border-radius: 9px; font-size: 13px; }
.svw-tag { flex: 0 0 56px; font-size: 11px; }
.svw-type p {
  white-space: normal;
  text-align: left;
  font-size: 11px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ==========================================================================
   认证页（注册 / 登录）
   ========================================================================== */
.auth-body { min-height: 100vh; background: #fff; }
.auth-wrap { display: grid; grid-template-columns: minmax(430px, 46%) 1fr; min-height: 100vh; }

/* 左侧品牌区 */
.auth-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 44px 56px 30px;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
}
.auth-brand::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px 380px at 110% -10%, rgba(99, 102, 241, 0.55), transparent 62%),
    radial-gradient(460px 360px at -15% 110%, rgba(34, 211, 238, 0.22), transparent 60%);
  pointer-events: none;
}
.auth-brand > * { position: relative; }
.auth-brand .brand { color: #fff; }
.auth-brand-copy { margin: auto 0; max-width: 430px; padding: 30px 0; }
.auth-brand-copy .eyebrow { color: #aab2ff; margin-bottom: 16px; }
.auth-brand-copy h2 { color: #fff; font-size: 34px; line-height: 1.35; margin-bottom: 16px; letter-spacing: -0.4px; }
.auth-brand-copy p { color: rgba(255, 255, 255, 0.68); font-size: 16px; line-height: 1.8; }
.auth-brand-tags { display: flex; flex-direction: column; gap: 12px; margin-bottom: 34px; }
.auth-brand-tags li { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.9); font-size: 15px; font-weight: 500; }
.auth-brand-tags i { color: #6ee7b7; }
.auth-mini-dash {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(6px);
  max-width: 430px;
}
.am-row { display: flex; align-items: center; gap: 10px; }
.am-row i { width: 22px; height: 22px; border-radius: 7px; background: rgba(99, 102, 241, 0.6); flex: none; }
.am-row b { flex: 1; height: 8px; border-radius: 6px; background: rgba(255, 255, 255, 0.28); }
.am-row u { width: 56px; height: 8px; border-radius: 6px; background: rgba(255, 255, 255, 0.2); text-decoration: none; }

/* 注册/登录左栏数据区 */
.auth-mini-dash { gap: 10px; }
.am-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.am-cell {
  display: flex;
  align-items: center;
  gap: 11px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 14px;
  padding: 11px 12px;
}
.am-cell > i {
  width: 36px;
  height: 36px;
  flex: none;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  background: rgba(255, 255, 255, 0.1);
}
.am-txt { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.am-txt b { font-size: 16px; font-weight: 800; color: #fff; }
.am-txt small { font-size: 10.5px; color: rgba(255, 255, 255, 0.55); white-space: nowrap; }
.auth-brand-foot { margin-top: 26px; color: rgba(255, 255, 255, 0.4); font-size: 13px; }
.auth-stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 30px; max-width: 430px; }
.auth-stat-row span { display: flex; flex-direction: column; }
.auth-stat-row b { color: #fff; font-size: 24px; font-weight: 800; background: linear-gradient(120deg, #a5b4fc, #7dd3fc); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.auth-stat-row small { color: rgba(255, 255, 255, 0.55); font-size: 12px; margin-top: 2px; }

/* 右侧表单区 */
.auth-main { display: flex; flex-direction: column; min-width: 0; }
.auth-topbar { display: flex; justify-content: flex-end; padding: 26px 40px 0; }
.auth-lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid #e6e8f3;
  border-radius: 10px;
  background: #fff;
  color: var(--body);
  font-size: 14px;
  cursor: pointer;
}
.auth-lang i:last-child { font-size: 10px; color: #b6bccb; }
.auth-lang span i { color: var(--primary); margin-right: 2px; }

.auth-card { width: 100%; max-width: 440px; margin: auto; padding: 36px 24px 70px; }
.auth-head { margin-bottom: 34px; }
.auth-head h1 { font-size: 30px; letter-spacing: -0.4px; margin-bottom: 10px; }
.txt-accent { color: var(--primary); }
.auth-head p { font-size: 15px; color: var(--body); }
.auth-head a { font-weight: 600; }

.auth-form .field { margin-bottom: 22px; }
.auth-form label, .field > label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.input-wrap { position: relative; }
.input-wrap > i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #a9b0c4;
  font-size: 15px;
  pointer-events: none;
}
.input-wrap input {
  width: 100%;
  height: 52px;
  border: 1px solid #e3e6f3;
  border-radius: 12px;
  background: #fff;
  padding: 0 46px 0 46px;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input-wrap input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.14); }
.input-wrap input.invalid { border-color: #f0483e; }
.input-wrap input::placeholder { color: #b9bfd0; }
.pw-eye {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border: 0;
  background: transparent;
  color: #a9b0c4;
  border-radius: 9px;
  font-size: 15px;
}
.pw-eye:hover { background: #f3f4ff; color: var(--primary); }

.field-row { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.agree { display: flex !important; align-items: flex-start; gap: 10px; font-size: 14px; font-weight: 400 !important; color: var(--body); line-height: 1.6; }
.agree.inline { align-items: center; }
.agree input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--primary); }
.agree a { font-weight: 600; }
.forgot { font-size: 14px; font-weight: 600; }
.form-error { display: none; color: #e5484d; font-size: 13px; margin-top: 6px; }
.form-error.show { display: block; }

.btn-block { width: 100%; height: 52px; margin-top: 26px; font-size: 16px; }
.auth-note { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 18px; font-size: 13px; color: #9aa3ba; }
.auth-note i { color: #22c55e; }

.auth-success { text-align: center; padding: 20px 0 10px; }
.auth-success-ico {
  width: 76px;
  height: 76px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e5f8ef;
  color: #10b981;
  font-size: 34px;
}
.auth-success h3 { font-size: 24px; margin-bottom: 10px; }
.auth-success p { font-size: 15px; color: var(--body); margin-bottom: 8px; }
.auth-success .btn-block { margin-top: 22px; }

@media (max-width: 991px) {
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
  .auth-card { max-width: 460px; }
}
@media (max-width: 640px) {
  .auth-topbar { padding: 18px 18px 0; }
  .auth-card { padding: 30px 18px 50px; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1199px) {
  .hero-inner { grid-template-columns: 460px 1fr; }
  .hero-title { font-size: 42px; }
  .dash-mock { width: 500px; }
  .product-panel { grid-template-columns: 400px 1fr; gap: 40px; }
  .flow-steps { gap: 20px; }
}

@media (max-width: 991px) {
  .page-header { position: absolute; }
  .nav-burger { display: inline-flex; }
  .main-nav {
    position: fixed;
    inset: 0;
    background: #0c1730;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 100px 30px 30px;
    gap: 8px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.3s ease;
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav-list { flex-direction: column; align-items: stretch; width: 100%; gap: 2px; }
  .nav-link { padding: 13px 6px; color: #fff; width: 100%; justify-content: space-between; }
  .nav-item:hover .drop-panel, .drop-panel {
    position: static;
    transform: none;
    min-width: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: none;
    border-radius: 12px;
    opacity: 1;
    visibility: visible;
    display: none;
    margin: 4px 0 10px;
  }
  .nav-item.open .drop-panel { display: block; }
  .drop-panel.drop-mega { min-width: 0; }
  .drop-grid { grid-template-columns: 1fr; }
  .header-cta { margin-top: 18px; }
  .header-cta .btn { width: 100%; }
  .hero-inner { grid-template-columns: 1fr; padding-top: 30px; }
  .hero-art { display: none; }
  .hero { padding-top: 84px; }
  .hero-title { font-size: 38px; }
  .trust-inner { justify-content: center; text-align: center; }
  .solutions-stage { grid-template-columns: 1fr; }
  .industry-stage { display: none; }
  .product-panel { grid-template-columns: 1fr; }
  .showcase-visual { max-width: 480px; }
  .product-tabs { overflow-x: auto; flex-wrap: nowrap; }
  .product-tab { flex: none; }
  .advantage-grid { grid-template-columns: 1fr; }
  .faq-head { flex-direction: column; align-items: flex-start; }
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .flow-steps::before { display: none; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 12px; }
  .cta-panel { padding: 50px 30px; }
  .cta-title { font-size: 28px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .hero-title { font-size: 30px; }
  .hero-lead { font-size: 17px; }
  .section { padding: 70px 0; }
  .section-title { font-size: 30px; }
  .section-solutions { padding: 80px 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .cta-title { font-size: 24px; }
  .cta-actions .btn-lg { padding: 12px 32px; }
  .newsletter-bar { justify-content: center; text-align: center; }
  .newsletter-form { width: 100%; flex-direction: column; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom-inner { justify-content: center; text-align: center; }
  .cookie-txt p { font-size: 13px; }
}

/* 首页真实发送统计行 */
.hero-live {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  padding: 9px 14px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  width: fit-content;
}
.hero-live i { color: #34d399; font-size: 14px; }
.hero-live b { color: #fff; }

/* 桌面导航单行：文字不折行，空间紧时压缩间距而非换行 */
@media (min-width: 992px) {
  .header-bar { flex-wrap: nowrap; }
  .brand { flex: none; white-space: nowrap; }
  .main-nav { flex: none; }
  .nav-list { flex-wrap: nowrap; flex: none; gap: 2px; }
  .nav-item { flex: none; white-space: nowrap; }
  .nav-link { white-space: nowrap; }
  .header-cta { flex: none; white-space: nowrap; }
}
@media (min-width: 992px) and (max-width: 1280px) {
  .header-bar { gap: 14px; }
  .main-nav { gap: 10px; }
  .nav-link { padding-left: 12px; padding-right: 12px; font-size: 15px; }
  .header-cta { gap: 10px; }
  .header-cta .btn { padding-left: 16px; padding-right: 16px; }
}