/* ============================================================
   银联商务电签机 官网 — 深铁墨蓝灰秒套风
   配色：深铁墨蓝灰 + 秒青 + 套橙
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700;900&display=swap');

/* --------------------------
   CSS 变量（Design Tokens）
   -------------------------- */
:root {
  --ylsw-iron: #1E2228;
  --ylsw-iron-light: #2E3238;
  --instant-cyan: #06B6D4;
  --instant-cyan-dark: #0594A8;
  --instant-cyan-light: #22D3EE;
  --trick-orange: #F97316;
  --trick-orange-dark: #D4620D;
  --trick-orange-light: #FB923C;
  --bg-page: #E5E8EB;
  --bg-white: #FFFFFF;
  --bg-light: #F8FAFB;
  --text-dark: #08090D;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #D1D5DB;
  --border-light: #E5E7EB;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(30,34,40,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font-cn: 'Noto Sans SC', sans-serif;
  --font-num: 'DM Sans', sans-serif;
  --max-width: 1240px;
  --nav-height: 68px;
}

/* --------------------------
   Reset & Base
   -------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-cn);
  color: var(--text-body);
  background-color: var(--bg-page);
  line-height: 1.7;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

ul {
  list-style: none;
}

/* --------------------------
   导航栏 — 固定在顶部
   -------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(30, 34, 40, 0.15);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--ylsw-iron);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  font-family: var(--font-num);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--ylsw-iron);
  letter-spacing: 0.5px;
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--instant-cyan);
  background: rgba(6, 182, 212, 0.06);
}

/* CTA 按钮 */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--instant-cyan), var(--instant-cyan-dark));
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  font-family: var(--font-cn);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.35);
  color: #fff !important;
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ylsw-iron);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(0, 0);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(1px, 0);
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.3s ease;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--instant-cyan);
  background: rgba(6, 182, 212, 0.06);
}

.mobile-menu .nav-cta {
  margin-top: 8px;
  text-align: center;
  justify-content: center;
}

/* --------------------------
   页脚
   -------------------------- */
.site-footer {
  background: linear-gradient(180deg, var(--ylsw-iron) 0%, var(--ylsw-iron-light) 100%);
  color: #fff;
  padding: 48px 0 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #fff;
}

.footer-col p,
.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 2;
}

.footer-col a:hover {
  color: var(--instant-cyan-light);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding: 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.8;
}

/* --------------------------
   按钮系统
   -------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--instant-cyan), var(--instant-cyan-dark));
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font-cn);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(6, 182, 212, 0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font-cn);
  text-decoration: none;
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--trick-orange), var(--trick-orange-dark));
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font-cn);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
}

.btn-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(249, 115, 22, 0.45);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 18px;
}

/* --------------------------
   Hero 区域
   -------------------------- */
.hero {
  background: linear-gradient(160deg, var(--ylsw-iron) 0%, var(--ylsw-iron-light) 60%, #3A3F46 100%);
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
  transform: translate(-50%, 0);
  animation: heroGlow 6s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% {
    opacity: 0.5;
    transform: translate(-50%, 0) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1.15);
  }
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 50px;
  color: var(--instant-cyan-light);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-title .cyan {
  color: var(--instant-cyan);
}

.hero-title .orange {
  color: var(--trick-orange);
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Cyan theme hero（秒到账页） */
.hero-cyan {
  background: linear-gradient(160deg, #0A7E8C 0%, var(--instant-cyan) 40%, var(--instant-cyan-dark) 100%);
}

.hero-cyan .hero-badge {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}

.hero-cyan .hero-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* Orange theme hero（无套路页） */
.hero-orange {
  background: linear-gradient(160deg, #C24A0B 0%, var(--trick-orange) 40%, var(--trick-orange-light) 100%);
}

.hero-orange .hero-badge {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}

.hero-orange .hero-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* 矮版 Hero（内页） */
.hero-short {
  padding: 100px 0 60px;
}

.hero-short .hero-title {
  font-size: clamp(28px, 4vw, 42px);
}

/* --------------------------
   通用 Section
   -------------------------- */
.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--ylsw-iron);
  color: #fff;
}

.section-light {
  background: var(--bg-white);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.section-label.cyan {
  color: var(--instant-cyan);
}

.section-label.orange {
  color: var(--trick-orange);
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-dark .section-title {
  color: #fff;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.6);
}

/* --------------------------
   秒套板块（左图右文）
   -------------------------- */
.seconds-suite {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.seconds-suite-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.seconds-suite-image .img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--ylsw-iron), var(--ylsw-iron-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.seconds-suite-image .img-placeholder::after {
  content: '秒到账 + 无套路';
  color: rgba(255, 255, 255, 0.3);
  font-size: 28px;
  font-weight: 700;
  z-index: 1;
}

.seconds-suite-image .img-accent {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--instant-cyan);
  color: #fff;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  z-index: 2;
}

.seconds-suite-image .img-accent.orange {
  background: var(--trick-orange);
  top: 56px;
}

.seconds-suite-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.4;
}

.seconds-suite-content .highlight-cyan {
  color: var(--instant-cyan);
  font-weight: 700;
}

.seconds-suite-content .highlight-orange {
  color: var(--trick-orange);
  font-weight: 700;
}

.seconds-suite-content p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

/* --------------------------
   卡片系统
   -------------------------- */
.cards-row {
  display: flex;
  gap: 24px;
  align-items: stretch;
}

.cards-row.asymmetric .card:first-child {
  flex: 0 0 55%;
}

.cards-row.asymmetric .card:last-child {
  flex: 0 0 43%;
}

.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.card-icon.cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--instant-cyan);
}

.card-icon.orange {
  background: rgba(249, 115, 22, 0.1);
  color: var(--trick-orange);
}

.card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.card .big-number {
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 700;
  color: var(--instant-cyan);
  line-height: 1;
  margin: 12px 0;
}

.card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 色块背景卡片 */
.card-bg {
  border: none;
  border-radius: var(--radius-lg);
  padding: 36px;
}

.card-bg.cyan-bg {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(6, 182, 212, 0.04));
  border-left: 4px solid var(--instant-cyan);
}

.card-bg.orange-bg {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(249, 115, 22, 0.04));
  border-left: 4px solid var(--trick-orange);
}

/* 错落三列 */
.cards-mixed {
  display: grid;
  gap: 24px;
  align-items: start;
}

.cards-mixed.cols-uneven {
  grid-template-columns: 1.2fr 1fr 1fr;
}

/* --------------------------
   无套路板块（居左）
   -------------------------- */
.no-trick-block {
  text-align: left;
  max-width: 720px;
}

.no-trick-block .section-title .orange {
  color: var(--trick-orange);
}

.trick-promises {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0 32px;
}

.trick-promise-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 17px;
  color: var(--text-body);
  font-weight: 500;
}

.trick-promise-item .check-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: rgba(249, 115, 22, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--trick-orange);
  font-size: 14px;
}

/* --------------------------
   对比表格
   -------------------------- */
.compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
}

.compare-table thead th {
  background: var(--ylsw-iron);
  color: #fff;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 16px;
  text-align: left;
  border-bottom: 2px solid var(--ylsw-iron-light);
}

.compare-table thead th:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.compare-table thead th:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.compare-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-body);
  background: var(--bg-white);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody tr:last-child td:first-child {
  border-radius: 0 0 0 var(--radius-md);
}

.compare-table tbody tr:last-child td:last-child {
  border-radius: 0 0 var(--radius-md) 0;
}

.compare-table .col-label {
  font-weight: 600;
  color: var(--text-dark);
  background: var(--bg-light);
}

.compare-table .check-green {
  color: #10B981;
  font-weight: 600;
  font-size: 16px;
}

.compare-table .cross-red {
  color: #EF4444;
  font-weight: 600;
  font-size: 16px;
}

.compare-table .highlight-cell {
  background: rgba(6, 182, 212, 0.04);
}

.compare-table .highlight-cell-orange {
  background: rgba(249, 115, 22, 0.04);
}

/* --------------------------
   页面标题区（内页）
   -------------------------- */
.page-hero {
  padding: 100px 0 50px;
  text-align: center;
  position: relative;
}

.page-hero .hero-inner {
  max-width: 800px;
}

.page-hero .page-subtitle {
  font-size: 16px;
  margin-bottom: 24px;
  line-height: 1.7;
}

/* --------------------------
   混合布局（错落不统一）
   -------------------------- */
.mixed-layout {
  display: grid;
  gap: 24px;
}

/* 第一个宽卡片 + 两列 + 色块 */
.mixed-layout.layout-1-3-bg {
  grid-template-columns: 1fr;
}

.mixed-layout .mixed-card-wide {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-light);
}

.mixed-layout .mixed-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mixed-layout .mixed-card-sm {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-light);
}

.mixed-layout .mixed-card-bg-block {
  border-radius: var(--radius-lg);
  padding: 36px;
}

.mixed-card-bg-block.cyan-bg {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(6, 182, 212, 0.04));
  border-left: 4px solid var(--instant-cyan);
}

.mixed-card-bg-block.orange-bg {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(249, 115, 22, 0.04));
  border-left: 4px solid var(--trick-orange);
}

/* 无套路混合布局：文字+数字 */
.mixed-layout.layout-trick {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.trick-mixed-item {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  border: 1px solid var(--border-light);
}

.trick-mixed-number {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 700;
  color: var(--trick-orange);
  line-height: 1;
  min-width: 80px;
}

.trick-mixed-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.trick-mixed-body p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --------------------------
   透明说明框
   -------------------------- */
.transparency-box {
  background: var(--bg-white);
  border: 2px solid var(--trick-orange);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
}

.transparency-box .box-badge {
  display: inline-block;
  background: var(--trick-orange);
  color: #fff;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
}

.transparency-box h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.transparency-box .fee-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.transparency-box .fee-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border-light);
}

.transparency-box .fee-item:last-child {
  border-bottom: none;
}

.transparency-box .fee-label {
  font-size: 15px;
  color: var(--text-body);
}

.transparency-box .fee-value {
  font-weight: 600;
  color: var(--text-dark);
  font-family: var(--font-num);
}

.transparency-box .fee-value.free {
  color: #10B981;
}

/* --------------------------
   FAQ 手风琴
   -------------------------- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-cn);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
}

.faq-question .faq-icon {
  font-size: 20px;
  transition: transform 0.3s ease;
  color: var(--instant-cyan);
  min-width: 24px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 0 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* --------------------------
   底部申请区
   -------------------------- */
.cta-section {
  background: linear-gradient(180deg, var(--ylsw-iron), var(--ylsw-iron-light));
  padding: 64px 0;
  text-align: center;
}

.cta-section .section-label {
  color: var(--instant-cyan-light);
}

.cta-section .section-title {
  color: #fff;
  margin-bottom: 8px;
}

.cta-section .section-title .cyan {
  color: var(--instant-cyan);
}

.cta-section .section-desc {
  color: rgba(255, 255, 255, 0.6);
  margin: 0 auto 32px;
}

/* --------------------------
   申请表单
   -------------------------- */
.apply-form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.apply-form input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 15px;
  font-family: var(--font-cn);
  outline: none;
  transition: border-color 0.2s ease;
}

.apply-form input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.apply-form input:focus {
  border-color: var(--instant-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.form-feedback {
  margin-top: 8px;
  font-size: 14px;
  text-align: center;
  min-height: 20px;
}

.form-feedback.success {
  color: #10B981;
}

.form-feedback.error {
  color: #FCA5A5;
}

/* --------------------------
   三列对比布局
   -------------------------- */
.compare-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.compare-three-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.compare-three-card.featured {
  border-color: var(--instant-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
}

.compare-three-card.featured-orange {
  border-color: var(--trick-orange);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.12);
}

.compare-three-header {
  padding: 24px 24px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.compare-three-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
}

.compare-three-header .tag {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
}

.tag.cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--instant-cyan);
}

.tag.orange {
  background: rgba(249, 115, 22, 0.1);
  color: var(--trick-orange);
}

.compare-three-body {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-three-body .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.compare-three-body .row:last-child {
  border-bottom: none;
}

.compare-three-body .row .label {
  color: var(--text-muted);
}

.compare-three-body .row .value {
  font-weight: 600;
  color: var(--text-dark);
}

/* --------------------------
   四维度对比表
   -------------------------- */
.compare-four-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
}

.compare-four-table thead th {
  background: var(--ylsw-iron);
  color: #fff;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 17px;
  text-align: center;
}

.compare-four-table thead th:first-child {
  text-align: left;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.compare-four-table thead th:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.compare-four-table tbody td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-light);
  text-align: center;
  background: var(--bg-white);
}

.compare-four-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
  background: var(--bg-light);
}

.compare-four-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-four-table tbody tr:last-child td:first-child {
  border-radius: 0 0 0 var(--radius-md);
}

.compare-four-table tbody tr:last-child td:last-child {
  border-radius: 0 0 var(--radius-md) 0;
}

/* --------------------------
   Hero SVG 图标
   -------------------------- */
.hero-icon-cyan {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: var(--instant-cyan);
  border-radius: 50%;
  vertical-align: middle;
}

.hero-icon-orange {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: var(--trick-orange);
  border-radius: 50%;
  vertical-align: middle;
}

/* --------------------------
   响应式
   -------------------------- */
@media (max-width: 1024px) {
  .seconds-suite {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cards-row.asymmetric .card:first-child {
    flex: 1;
  }

  .cards-row.asymmetric .card:last-child {
    flex: 1;
  }

  .cards-mixed.cols-uneven {
    grid-template-columns: 1fr 1fr;
  }

  .compare-three {
    grid-template-columns: 1fr;
  }

  .mixed-layout .mixed-row-3 {
    grid-template-columns: 1fr;
  }

  .trick-mixed-item {
    flex-direction: column;
    gap: 16px;
  }

  .trick-mixed-number {
    min-width: auto;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline,
  .hero-actions .btn-orange {
    width: 100%;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .cards-row {
    flex-direction: column;
  }

  .compare-four-table thead th,
  .compare-four-table tbody td {
    padding: 12px 14px;
    font-size: 13px;
  }

  .section {
    padding: 48px 0;
  }

  .transparency-box {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 22px;
  }

  .cta-section {
    padding: 40px 0;
  }

  .card {
    padding: 24px;
  }

  .mixed-layout .mixed-card-wide {
    padding: 24px;
  }

  .mixed-layout .mixed-card-sm {
    padding: 20px;
  }
}