/* ============================================================
   企业彩铃定制中心 - 官网样式（蓝白商务版）
   配色：商务蓝 #1D5BD8 / 深海军蓝 #0F2547 / 浅灰 #F5F7FA
   ============================================================ */

:root {
  --primary: #1D5BD8;
  --primary-deep: #1447AE;
  --primary-soft: #EAF1FD;
  --grad: linear-gradient(135deg, #1D5BD8 0%, #4D8DF7 100%);
  --dark: #0F2547;
  --dark-2: #16325C;
  --text: #1B2A44;
  --text-2: #55647E;
  --text-3: #8B97AB;
  --gray-bg: #F5F7FA;
  --white: #FFFFFF;
  --border: #E6EAF1;
  --green: #16A34A;
  --gold: #D97706;
  --shadow-sm: 0 2px 8px rgba(15, 37, 71, .06);
  --shadow-md: 0 8px 30px rgba(15, 37, 71, .10);
  --shadow-lg: 0 20px 60px rgba(15, 37, 71, .14);
  --radius: 14px;
  --radius-lg: 20px;
  --nav-h: 72px;
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { vertical-align: middle; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  border-radius: 999px;
  transition: transform .25s, box-shadow .25s, background .25s, color .25s;
  white-space: nowrap;
  font-family: inherit;
}
.btn-sm { padding: 9px 22px; font-size: 14px; }
.btn-lg { padding: 15px 34px; font-size: 16px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 26px rgba(29, 91, 216, .30);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(29, 91, 216, .40);
}

.btn-ghost {
  background: #fff;
  color: var(--primary);
  border: 1.5px solid rgba(29, 91, 216, .30);
}
.btn-ghost:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-3px);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .18);
}
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(0, 0, 0, .25); }

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .5);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); border-color: #fff; transform: translateY(-3px); }

/* ---------- 渐变文字 ---------- */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s, background .3s;
}
.navbar.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, .96);
}

.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 28px;
}

.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-icon { display: grid; place-items: center; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text strong { font-size: 17px; font-weight: 800; letter-spacing: .5px; }
.logo-text em { font-size: 10px; font-style: normal; letter-spacing: 2px; color: var(--text-3); white-space: nowrap; }

.nav-links { display: flex; gap: 22px; margin-left: auto; margin-right: 6px; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  padding: 6px 2px;
  transition: color .25s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2.5px;
  border-radius: 2px;
  background: var(--grad);
  transition: right .3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }

.nav-actions { display: flex; align-items: center; gap: 14px; }

.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--primary);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .5px;
}
.nav-phone svg { animation: ring-rotate 6s ease-in-out infinite; }
@keyframes ring-rotate {
  0%, 100% { transform: rotate(0); }
  2% { transform: rotate(-16deg); }
  4% { transform: rotate(14deg); }
  6% { transform: rotate(-10deg); }
  8% { transform: rotate(0); }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  border-radius: 10px;
}
.nav-toggle span {
  height: 2.6px;
  border-radius: 3px;
  background: var(--text);
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7.6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.6px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 64px) 0 0;
  background: linear-gradient(180deg, #F0F5FE 0%, #FFFFFF 100%);
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .55;
}
.hero-blob-1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, #CFE0FA 0%, transparent 70%);
  top: -160px; right: -120px;
}
.hero-blob-2 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, #E4EEFC 0%, transparent 70%);
  bottom: 60px; left: -140px;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(18, 23, 42, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 23, 42, .035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 0%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 72px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(29, 91, 216, .20);
  box-shadow: var(--shadow-sm);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 26px;
}
.pulse-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--primary);
  position: relative;
  flex-shrink: 0;
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  animation: pulse-ring 1.8s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(.5); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: .5px;
  margin-bottom: 22px;
}
.hero-sub { font-size: .62em; font-weight: 800; color: var(--text); }

.hero-desc {
  font-size: 17px;
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-desc strong { color: var(--primary); font-weight: 700; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 14px;
  color: var(--text-2);
}
.hero-points li { display: flex; align-items: center; }
.hero-points li:nth-child(odd) { color: var(--primary); font-weight: 700; }

/* --- Hero 手机 mockup --- */
.hero-visual { position: relative; display: flex; justify-content: center; }

.phone-mock {
  width: 300px;
  border-radius: 44px;
  background: linear-gradient(160deg, #2A3148, #12172A);
  padding: 12px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, .06);
  position: relative;
  z-index: 2;
  animation: float-y 6s ease-in-out infinite;
}
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.phone-notch {
  width: 110px; height: 22px;
  background: #12172A;
  border-radius: 12px;
  margin: 4px auto 10px;
  position: relative;
}
.phone-notch::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #2E3650;
  right: 14px; top: 6px;
  box-shadow: inset 0 0 2px #121A30, 0 0 2px rgba(120, 160, 255, .35);
}

.phone-screen {
  background: linear-gradient(175deg, #101526, #1A2136);
  border-radius: 32px;
  padding: 26px 22px 22px;
  color: #fff;
  text-align: center;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.call-status {
  font-size: 13px;
  color: #9AA5C4;
  letter-spacing: 3px;
  margin-bottom: 22px;
}

.call-brand { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.call-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--grad);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 0 0 6px rgba(29, 91, 216, .16);
}
.call-brand strong { font-size: 16px; font-weight: 700; }
.call-brand span { font-size: 12px; color: #9AA5C4; }

.call-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 64px;
  margin: 20px 0 6px;
}
.call-wave span {
  width: 5px;
  border-radius: 4px;
  background: var(--grad);
  animation: wave 1.1s ease-in-out infinite;
}
.call-wave span:nth-child(1) { height: 16px; animation-delay: 0s; }
.call-wave span:nth-child(2) { height: 30px; animation-delay: .1s; }
.call-wave span:nth-child(3) { height: 46px; animation-delay: .2s; }
.call-wave span:nth-child(4) { height: 22px; animation-delay: .3s; }
.call-wave span:nth-child(5) { height: 52px; animation-delay: .4s; }
.call-wave span:nth-child(6) { height: 34px; animation-delay: .5s; }
.call-wave span:nth-child(7) { height: 18px; animation-delay: .6s; }
.call-wave span:nth-child(8) { height: 42px; animation-delay: .7s; }
.call-wave span:nth-child(9) { height: 26px; animation-delay: .8s; }
.call-wave span:nth-child(10) { height: 48px; animation-delay: .9s; }
.call-wave span:nth-child(11) { height: 20px; animation-delay: 1s; }
.call-wave span:nth-child(12) { height: 38px; animation-delay: .15s; }
.call-wave span:nth-child(13) { height: 28px; animation-delay: .35s; }
.call-wave span:nth-child(14) { height: 50px; animation-delay: .55s; }
.call-wave span:nth-child(15) { height: 24px; animation-delay: .75s; }
@keyframes wave {
  0%, 100% { transform: scaleY(.55); opacity: .75; }
  50% { transform: scaleY(1.25); opacity: 1; }
}

.call-sub {
  font-size: 12.5px;
  line-height: 1.85;
  color: #B7C0DB;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 14px;
  padding: 12px 14px;
  text-align: left;
}

.phone-bottom { display: flex; justify-content: center; padding-top: 12px; }
.phone-bottom span {
  width: 96px; height: 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .28);
}

/* 漂浮小卡片 */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  background: #fff;
  border-radius: 16px;
  padding: 13px 18px;
  box-shadow: var(--shadow-md);
  z-index: 3;
  animation: float-y 5s ease-in-out infinite;
}
.float-card strong { display: block; font-size: 14.5px; color: var(--text); }
.float-card span { font-size: 12px; color: var(--text-3); }
.float-card-1 { top: 46px; left: -6px; animation-delay: -2s; }
.float-card-2 { bottom: 44px; right: -10px; }

/* ---------- 数据统计条 ---------- */
.stats-bar {
  position: relative;
  background: var(--dark);
  color: #fff;
  padding: 34px 0;
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -9px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 42px;
  background: rgba(255, 255, 255, .12);
}
.stat-item strong {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  background: linear-gradient(135deg, #9EC2F9, #CFE2FC);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-item span { font-size: 14px; color: #9AA5C4; }

/* ---------- 运营商条 ---------- */

/* ============================================================
   通用 Section
   ============================================================ */
.section { padding: 76px 0; }
.section-gray { background: var(--gray-bg); }
.section-dark { background: var(--dark); color: #fff; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 6px 18px;
  border-radius: 999px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.tag-light { color: #A9C8F8; background: rgba(77, 141, 247, .16); }
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 900;
  margin-bottom: 14px;
}
.section-head p { color: var(--text-2); font-size: 16px; }
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head p { color: #9AA5C4; }

/* ============================================================
   核心业务卡片
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 26px 28px;
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  display: flex;
  flex-direction: column;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad);
  opacity: 0;
  transition: opacity .3s;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(29, 91, 216, .24);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: #fff;
}
.icon-orange { background: linear-gradient(135deg, #1D5BD8, #4D8DF7); box-shadow: 0 8px 18px rgba(29, 91, 216, .28); }
.icon-red { background: linear-gradient(135deg, #0E4AA8, #2E74E8); box-shadow: 0 8px 18px rgba(14, 74, 168, .28); }
.icon-blue { background: linear-gradient(135deg, #4D8DF7, #7FAEF9); box-shadow: 0 8px 18px rgba(77, 141, 247, .28); }
.icon-gold { background: linear-gradient(135deg, #1447AE, #3A6FD1); box-shadow: 0 8px 18px rgba(20, 71, 174, .28); }

.service-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; }
.service-card > p { font-size: 14px; color: var(--text-2); margin-bottom: 18px; flex: 1; }

.service-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: letter-spacing .25s;
}
.service-link:hover { letter-spacing: 1px; }

/* 加盟卡片强调色 */

.service-card-agent .service-link { color: var(--primary-deep); }

/* ============================================================
   视频彩铃专区（深色）
   ============================================================ */

.check {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(29, 91, 216, .16);
  border: 1px solid rgba(119, 165, 248, .55);
  color: #A9C8F8;
  font-size: 13px;
  font-weight: 800;
  display: grid;
  place-items: center;
  margin-top: 3px;
}

.ring-1 { width: 340px; height: 340px; animation: ring-rotate-slow 14s linear infinite; }
.ring-2 { width: 440px; height: 440px; border-color: rgba(255, 255, 255, .1); animation: ring-rotate-slow 22s linear infinite reverse; }

/* ============================================================
   服务流程
   ============================================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
.process-steps::before {
  content: "";
  position: absolute;
  top: 52px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(29, 91, 216, .30) 0 8px, transparent 8px 16px);
}

.process-step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 20px 26px;
  text-align: center;
  position: relative;
  transition: transform .3s, box-shadow .3s;
}
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.step-num {
  position: absolute;
  top: 14px; right: 16px;
  font-size: 40px;
  font-weight: 900;
  color: rgba(29, 91, 216, .10);
  line-height: 1;
  font-style: italic;
}
.step-icon {
  width: 62px; height: 62px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  border: 2px solid rgba(29, 91, 216, .24);
  box-shadow: 0 0 0 6px #fff, 0 0 0 7px rgba(29, 91, 216, .12);
  position: relative;
  z-index: 2;
}
.process-step h4 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.process-step p { font-size: 13.5px; color: var(--text-2); }

/* 加盟页 4 步版式：列数与虚线两端对齐卡片中心 */
.process-steps.cols-4 { grid-template-columns: repeat(4, 1fr); }
.process-steps.cols-4::before { left: 12.5%; right: 12.5%; }
@media (max-width: 1080px) {
  .process-steps.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .process-steps.cols-4 { grid-template-columns: 1fr; }
}

/* ============================================================
   优势
   ============================================================ */

/* ============================================================
   加盟代理
   ============================================================ */
.agent-section {
  background:
    radial-gradient(circle at 12% 8%, rgba(29, 91, 216, .10), transparent 40%),
    radial-gradient(circle at 90% 92%, rgba(245, 158, 11, .08), transparent 40%),
    #FDF9F5;
}
.agent-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}

.agent-copy h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 18px;
}
.agent-copy > p { color: var(--text-2); font-size: 16.5px; margin-bottom: 28px; max-width: 520px; }

.agent-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 28px; }
.agent-card-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.agent-card-item strong {
  display: inline-block;
  font-size: 16.5px;
  font-weight: 800;
  margin-bottom: 6px;
  padding-bottom: 2px;
  border-bottom: 3px solid;
  border-image: var(--grad) 1;
}
.agent-card-item span { font-size: 13.5px; color: var(--text-2); display: block; line-height: 1.6; }

.agent-support {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}
.agent-support li {
  font-size: 14.5px;
  color: var(--text-2);
  font-weight: 500;
}

/* 加盟表单 */
.agent-form-wrap {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px 38px;
  position: relative;
  border: 1px solid var(--border);
}
.agent-form h3 { font-size: 22px; font-weight: 900; margin-bottom: 6px; }
.form-tip { font-size: 13.5px; color: var(--text-3); margin-bottom: 26px; }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.form-group label i { color: #E11D2E; font-style: normal; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--text);
  background: #FAFBFC;
  outline: none;
  transition: border-color .25s, box-shadow .25s, background .25s;
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(29, 91, 216, .10);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #B9C0CE; }
.form-group input.invalid { border-color: #E11D2E; box-shadow: 0 0 0 4px rgba(225, 29, 46, .08); }

.form-privacy { font-size: 12px; color: var(--text-3); text-align: center; margin-top: 14px; }

.form-success {
  text-align: center;
  padding: 40px 10px;
}
.form-success h3 { font-size: 22px; margin: 18px 0 10px; }
.form-success p { color: var(--text-2); font-size: 14.5px; line-height: 2; }
.form-success strong { color: var(--primary); font-size: 16px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-container { max-width: 820px; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .3s, border-color .3s;
}
.faq-item[open] { box-shadow: var(--shadow-sm); border-color: rgba(29, 91, 216, .28); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  user-select: none;
  transition: color .25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }

.faq-arrow {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--primary-soft);
  position: relative;
  transition: transform .3s, background .3s;
}
.faq-arrow::before, .faq-arrow::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--primary);
  border-radius: 2px;
}
.faq-arrow::before { width: 11px; height: 2px; transform: translate(-50%, -50%); }
.faq-arrow::after { width: 2px; height: 11px; transform: translate(-50%, -50%); transition: opacity .25s; }
.faq-item[open] .faq-arrow { transform: rotate(180deg); background: var(--primary); }
.faq-item[open] .faq-arrow::before, .faq-item[open] .faq-arrow::after { background: #fff; }
.faq-item[open] .faq-arrow::after { opacity: 0; }

.faq-body {
  padding: 0 26px 22px;
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.9;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  margin: 0 0;
}

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
  background:
    radial-gradient(circle at 85% 15%, rgba(77, 141, 247, .30), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(20, 71, 174, .45), transparent 50%),
    var(--dark);
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}
.cta-inner { text-align: center; }
.cta-inner h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
}
.cta-inner .grad-text {
  background: linear-gradient(135deg, #9EC2F9, #CFE2FC);
  -webkit-background-clip: text;
  background-clip: text;
}
.cta-inner p { color: #AEB8D6; font-size: 16.5px; margin-bottom: 34px; }
.cta-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   页脚
   ============================================================ */
.footer { background: #0D1120; color: #AEB8D6; padding: 70px 0 0; }

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr .9fr;
  gap: 44px;
  padding-bottom: 54px;
}
.footer .logo-text strong { color: #fff; }
.footer .logo-text em { color: #5C6577; }

.footer-desc { font-size: 14px; line-height: 1.9; margin: 20px 0 24px; max-width: 320px; }

.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.footer-contact-item svg { color: var(--primary); flex-shrink: 0; }
.footer-contact-item strong { color: #fff; font-weight: 700; }

.footer-col h4 {
  color: #fff;
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 26px; height: 3px;
  border-radius: 2px;
  background: var(--grad);
}
.footer-col a {
  display: block;
  font-size: 14px;
  padding: 7px 0;
  color: #8E99BB;
  transition: color .25s, transform .25s;
}
.footer-col a:hover { color: #9EC2F9; transform: translateX(4px); }

.footer-qr { text-align: center; }
.qr-placeholder {
  width: 140px; height: 140px;
  border-radius: 18px;
  border: 1.5px dashed rgba(255, 255, 255, .25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #5C6577;
  font-size: 12.5px;
  margin: 0 auto 14px;
  background: rgba(255, 255, 255, .03);
}
.footer-qr p { font-size: 12.5px; line-height: 1.9; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #5C6577;
}
.footer-bottom a { color: #5C6577; transition: color .25s; }
.footer-bottom a:hover { color: #9EC2F9; }

/* ============================================================
   悬浮按钮
   ============================================================ */
.float-actions {
  position: fixed;
  right: 22px;
  bottom: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 900;
}
.float-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  width: 62px;
  height: 62px;
  border-radius: 18px;
  border: none;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: transform .25s, box-shadow .25s;
  justify-content: center;
}
.float-btn:hover { transform: translateY(-4px); }
.float-phone { background: var(--grad); }
.float-top {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .3s, transform .25s, box-shadow .25s;
}
.float-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ============================================================
   滚动淡入动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.2, .65, .3, 1), transform .7s cubic-bezier(.2, .65, .3, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: .08s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .phone-mock, .float-card, .nav-phone svg { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   响应式
   ============================================================ */

/* --- 1080px 以下：折叠为汉堡菜单 --- */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .navbar.menu-open .nav-links {
    display: flex;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 10px 24px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }
  .navbar.menu-open .nav-links a { padding: 13px 4px; font-size: 16px; border-bottom: 1px solid var(--gray-bg); }
  .navbar.menu-open .nav-links a::after { display: none; }
}

@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-points { justify-content: center; }
  .hero-visual { margin-top: 10px; }


  .agent-inner { grid-template-columns: 1fr; gap: 44px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .logo-text strong { font-size: 15px; white-space: nowrap; }
  .logo-text em { display: none; }
  .nav-inner { gap: 12px; }
  /* 小屏隐藏电话，只保留按钮与汉堡菜单（悬浮电话按钮仍在右下角） */
  .nav-phone { display: none; }
  .nav-actions .btn-sm { padding: 9px 16px; font-size: 13px; }

  .hero { padding-top: calc(var(--nav-h) + 36px); }
  .hero-points { display: none; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-item:nth-child(2)::after { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .agent-cards { grid-template-columns: 1fr; }
  .agent-support { grid-template-columns: 1fr; }

  .section { padding: 64px 0; }
  .agent-form-wrap { padding: 30px 22px; }

  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom-inner { justify-content: center; text-align: center; }

  .float-card-1 { left: 0; top: 20px; }
  .float-card-2 { right: 0; bottom: 20px; }
  .float-card { padding: 10px 14px; }
  .float-card strong { font-size: 13px; }
  .float-card span { font-size: 11px; }

  .cta-actions .btn-lg { width: 100%; }
  .float-actions { right: 14px; bottom: 18px; }
}

/* ============================================================
   内页通用（栏目独立页面）
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 64px) 0 72px;
  background: linear-gradient(180deg, #F0F5FE 0%, #FFFFFF 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 23, 42, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 23, 42, .035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 0%, transparent 75%);
}
.page-hero .container { position: relative; }
.page-hero-dark { background: linear-gradient(180deg, #1B2237 0%, var(--dark) 100%); }
.page-hero-dark::before { opacity: .25; }
.page-hero h1 {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 900;
  margin-bottom: 14px;
}
.page-hero-dark h1 { color: #fff; }
.page-hero .page-desc { color: var(--text-2); font-size: 16.5px; max-width: 640px; margin: 0 auto; }
.page-hero-dark .page-desc { color: #AEB8D6; }
.breadcrumb {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 18px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 999px;
}
.page-hero-dark .breadcrumb { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.15); color: #9AA5C4; }
.breadcrumb a { color: var(--text-3); transition: color .25s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-style: normal; color: var(--primary); }

/* 内容小节标题 */
.block-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.block-head h2 { font-size: clamp(22px, 3vw, 32px); font-weight: 900; margin-bottom: 10px; }
.block-head p { color: var(--text-2); font-size: 15.5px; }
.section-dark .block-head h2 { color: #fff; }
.section-dark .block-head p { color: #9AA5C4; }

/* ---------- 服务内容卡（两列大卡） ---------- */
.service-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-big {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  gap: 22px;
  transition: transform .3s, box-shadow .3s;
}
.service-big:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-big .service-icon { margin-bottom: 0; flex-shrink: 0; }
.service-big h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.service-big p { font-size: 14.5px; color: var(--text-2); margin-bottom: 14px; }
.service-big ul { display: flex; flex-wrap: wrap; gap: 8px; }
.service-big ul li {
  font-size: 12.5px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
}

/* ---------- 音色卡片 ---------- */
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.voice-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  text-align: center;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.voice-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(29,91,216,.28); }
.voice-avatar {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  font-size: 22px;
  font-weight: 900;
}
.voice-card h4 { font-size: 17px; font-weight: 800; margin-bottom: 6px; }
.voice-card p { font-size: 13.5px; color: var(--text-2); }
.voice-tags { display: flex; justify-content: center; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.voice-tags span {
  font-size: 12px;
  color: var(--text-3);
  background: var(--gray-bg);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ---------- 套餐价格 ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.pricing-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform .3s, box-shadow .3s;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.pricing-card.featured {
  border-color: rgba(29, 91, 216, .40);
  background: linear-gradient(170deg, #F0F5FE, #FFFFFF);
  box-shadow: var(--shadow-md);
}
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(29,91,216,.30);
}
.pricing-card h3 { font-size: 18px; font-weight: 800; text-align: center; }
.pricing-card .price {
  text-align: center;
  margin: 18px 0 6px;
  color: var(--primary);
}
.pricing-card .price strong { font-size: 40px; font-weight: 900; }
.pricing-card .price em { font-style: normal; font-size: 14px; color: var(--text-3); }
.pricing-card .price-note {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-3);
  margin-bottom: 22px;
}
.pricing-features { flex: 1; display: flex; flex-direction: column; gap: 11px; margin-bottom: 26px; }
.pricing-features li {
  font-size: 14px;
  color: var(--text-2);
  display: flex;
  gap: 9px;
  align-items: flex-start;
}
.pricing-features li::before {
  content: "✓";
  flex-shrink: 0;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 11.5px;
  font-weight: 800;
  display: grid;
  place-items: center;
  margin-top: 2px;
}
.pricing-features li.off { color: #B9C0CE; text-decoration: line-through; }
.pricing-features li.off::before { background: var(--gray-bg); color: #B9C0CE; content: "×"; }
.pricing-card .btn { width: 100%; }

/* ---------- 规格表 ---------- */
.spec-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); background: #fff; }
table.spec-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.spec-table th {
  background: var(--dark);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  padding: 14px 20px;
  white-space: nowrap;
}
.spec-table td {
  padding: 13px 20px;
  font-size: 14px;
  color: var(--text-2);
  border-top: 1px solid var(--border);
  vertical-align: top;
}
.spec-table tr td:first-child { font-weight: 700; color: var(--text); white-space: nowrap; }
.spec-table td .ok { color: var(--green); font-weight: 700; }
.spec-table td .warn { color: var(--gold); font-weight: 700; }

/* ---------- 流程详解 ---------- */
.step-detail {
  display: flex;
  gap: 26px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
  margin-bottom: 22px;
  transition: box-shadow .3s, transform .3s;
}
.step-detail:hover { box-shadow: var(--shadow-md); transform: translateX(6px); }
.step-detail .step-num {
  position: static;
  font-size: 46px;
  font-weight: 900;
  font-style: italic;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  flex-shrink: 0;
  width: 74px;
}
.step-detail h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.step-detail p { font-size: 14.5px; color: var(--text-2); }
.step-detail .step-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.step-detail .step-meta span {
  font-size: 12.5px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
}

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.contact-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.contact-card .contact-icon {
  width: 60px; height: 60px;
  border-radius: 18px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
}
.contact-card h4 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--text-2); }
.contact-card .contact-value { font-size: 19px; font-weight: 900; color: var(--primary); margin-top: 6px; }

/* ---------- 栏目互跳 ---------- */
.cross-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cross-card {
  display: flex;
  align-items: center;
  gap: 15px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.cross-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(29,91,216,.28); }
.cross-card .cross-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.cross-card strong { display: block; font-size: 15.5px; font-weight: 800; }
.cross-card span { font-size: 13px; color: var(--text-3); }
.cross-card .cross-arrow { margin-left: auto; color: var(--primary); font-size: 18px; font-weight: 700; }

/* 内页响应式 */
@media (max-width: 1080px) {
  .service-row { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .cross-nav { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .voice-grid { grid-template-columns: 1fr; }
  .step-detail { flex-direction: column; gap: 12px; padding: 26px; }
  .service-big { flex-direction: column; padding: 28px 24px; }
}

/* 二维码已上传图片时：去掉虚线占位框，图片铺满并加白底 */
.qr-placeholder.has-img {
  border: none;
  background: #fff;
  padding: 6px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .18);
}
.qr-placeholder.has-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
  display: block;
}