/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #2C6B9E;
  --color-primary-dark: #1E4F78;
  --color-primary-light: rgba(44, 107, 158, 0.12);
  --color-secondary: #C9A45C;
  --color-accent: #D94F4F;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-alt: #EEF3F8;
  --color-text: #1D2B36;
  --color-text-secondary: #5B6B7A;
  --color-border: #E2E8F0;
  --color-footer-bg: #16222E;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 20px rgba(30, 60, 90, 0.08);
  --shadow-md: 0 8px 30px rgba(30, 60, 90, 0.14);
  --container-max: 1200px;
  --space-section: clamp(4rem, 8vw, 7rem);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary-dark); }

ul, ol { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

input { font-family: inherit; }

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

/* ===== 顶部信息条 ===== */
.topbar {
  background: #1B2631;
  color: rgba(255, 255, 255, .85);
  font-size: .8125rem;
  padding: 10px 0;
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar-domain {
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .9);
  font-weight: 600;
}

.topbar-tip {
  flex: 1;
  text-align: center;
  color: rgba(255, 255, 255, .7);
}

.topbar-action a {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 6px 20px;
  border-radius: 999px;
  font-size: .8125rem;
  font-weight: 600;
  transition: background .2s ease;
}

.topbar-action a:hover { background: #3A7CB8; }

/* ===== 主导航 ===== */
.header {
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(30, 60, 90, .06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--color-text);
  line-height: 1.3;
  letter-spacing: -.01em;
}

.nav-logo span { color: var(--color-primary); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu a {
  display: inline-block;
  padding: 10px 14px;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 8px;
  position: relative;
  transition: color .2s ease, background .2s ease;
}

.nav-menu a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-menu a.active {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: var(--color-primary-light);
  border-radius: 8px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: 0 12px 30px rgba(30, 60, 90, .12);
    border-top: 1px solid var(--color-border);
    display: none;
  }

  .nav-menu.open { display: flex; }

  .nav-menu a { padding: 14px 12px; font-size: 1rem; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .nav-menu a:last-child { border-bottom: none; }
  .nav-menu a.active::after { display: none; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: #1B2631 url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20, 35, 50, .92) 0%, rgba(20, 35, 50, .78) 45%, rgba(20, 35, 50, .5) 100%);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='0.03'/%3E%3C/svg%3E");
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: clamp(5rem, 10vw, 9rem) 24px clamp(3.5rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
}

.hero-content .eyebrow {
  display: inline-block;
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-secondary);
  font-weight: 700;
  margin-bottom: 20px;
  border: 1px solid rgba(201, 164, 92, .4);
  padding: 4px 14px;
  border-radius: 999px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.01em;
  margin-bottom: 20px;
  color: #fff;
}

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .85);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 2rem;
  border-radius: 999px;
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .02em;
  transition: all .25s ease;
  line-height: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(44, 107, 158, .3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 8px 24px rgba(44, 107, 158, .4);
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, .6);
  color: #fff;
  background: transparent;
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-secondary);
  color: #1D2B36;
}

.btn-secondary:hover {
  background: #B8934A;
  color: #1D2B36;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 164, 92, .35);
}

.btn:active { transform: translateY(1px); }

.btn:focus-visible,
.nav-toggle:focus-visible,
.faq-q:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(44, 107, 158, .4);
  outline-offset: 2px;
}

.text-link {
  color: rgba(255, 255, 255, .85);
  font-weight: 600;
  font-size: .9375rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s ease, gap .2s ease;
}

.text-link:hover { color: #fff; gap: 10px; }

.hero-side {
  position: relative;
}

.hero-side img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
  filter: saturate(.95);
}

.hero-mini-card {
  position: absolute;
  bottom: 18px;
  left: -24px;
  background: rgba(255, 255, 255, .95);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 20px;
  color: var(--color-text);
  font-size: .875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-mini-card::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-secondary);
  flex-shrink: 0;
}

.hero-stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, .2);
  background: rgba(10, 20, 30, .3);
  backdrop-filter: blur(6px);
}

.hero-stats .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--container-max);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 8px;
  border-right: 1px solid rgba(255, 255, 255, .15);
}

.stat-item:last-child { border-right: none; }

.stat-num {
  font-size: 1.875rem;
  font-weight: 900;
  color: var(--color-secondary);
  line-height: 1;
}

.stat-text {
  font-size: .9063rem;
  color: rgba(255, 255, 255, .85);
  font-weight: 500;
}

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-side { max-width: 440px; }
  .hero-mini-card { left: 12px; }
}

@media (max-width: 768px) {
  .hero-inner { padding-top: 4rem; padding-bottom: 3rem; }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.8rem); }
  .hero-actions { margin-bottom: 28px; }
  .hero-stats .container { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, .15); padding: 14px 0; }
  .stat-item:last-child { border-bottom: none; }
}

/* ===== 通用区块 ===== */
.section { padding: var(--space-section) 0; }

.section-alt { background: var(--color-surface-alt); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 24px;
}

.section-head-left { flex: 1; }

.section-head .eyebrow {
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-secondary);
  display: block;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--color-text);
}

.section-head .section-desc {
  color: var(--color-text-secondary);
  font-size: .9375rem;
  max-width: 480px;
  text-align: right;
  line-height: 1.7;
}

.section-head .short-bar {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
  margin-top: 16px;
}

@media (max-width: 768px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .section-head .section-desc { text-align: left; }
}

/* ===== 品牌故事 ===== */
.story-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: center;
}

.story-image {
  position: relative;
}

.story-image img {
  border-radius: var(--radius-lg);
  aspect-ratio: 3 / 4;
  object-fit: cover;
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.story-image::after {
  content: 'EDITOR’S NOTE';
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(255, 255, 255, .95);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--color-primary);
}

.story-copy h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 20px;
}

.story-copy p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.story-copy blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 8px 0 8px 20px;
  font-size: 1.075rem;
  color: var(--color-text);
  line-height: 1.7;
  margin: 28px 0;
  font-weight: 500;
}

.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; max-width: 420px; }

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.check-list li::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 900;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .story-grid { grid-template-columns: 1fr; gap: 32px; }
  .story-image { max-width: 400px; }
}

/* ===== 服务项目 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.card-feature {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-feature:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(44, 107, 158, .25);
  transform: translateY(-4px);
}

.card-feature:nth-child(1) { grid-column: span 7; }
.card-feature:nth-child(2) { grid-column: span 5; }
.card-feature:nth-child(3) { grid-column: span 4; }
.card-feature:nth-child(4) { grid-column: span 4; }
.card-feature-wide { grid-column: span 4; }

.card-num {
  position: absolute;
  top: 12px;
  right: 18px;
  font-size: 4rem;
  font-weight: 900;
  color: rgba(44, 107, 158, .1);
  line-height: 1;
  z-index: 0;
  pointer-events: none;
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.375rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.card-feature h3 {
  font-size: 1.125rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.card-feature p {
  font-size: .875rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  position: relative;
  z-index: 1;
  flex: 1;
}

.card-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .8125rem;
  font-weight: 700;
  color: var(--color-primary);
  position: relative;
  z-index: 1;
  transition: gap .2s ease;
}

.card-more:hover { gap: 8px; }

@media (max-width: 1024px) {
  .card-feature:nth-child(n) { grid-column: span 6; }
}

@media (max-width: 768px) {
  .card-feature:nth-child(n) { grid-column: span 12; }
}

/* ===== 使用场景 ===== */
.scene-grid {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 56px;
  align-items: center;
}

.scene-image-block { position: relative; }

.scene-image-block img {
  border-radius: var(--radius-lg);
  aspect-ratio: 5 / 6;
  object-fit: cover;
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.photo-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  background: rgba(255, 255, 255, .95);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  font-weight: 700;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.photo-caption::before {
  content: '◎';
  color: var(--color-secondary);
  font-size: 1rem;
}

.scene-copy h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
}

.scene-copy > p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 440px;
}

.scene-list { border-top: 1px solid var(--color-border); }

.scene-list li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 18px 12px;
  border-bottom: 1px solid var(--color-border);
  transition: background .25s ease, padding-left .25s ease;
}

.scene-list li:hover {
  background: var(--color-primary-light);
  padding-left: 20px;
}

.scene-num {
  font-weight: 900;
  color: var(--color-secondary);
  font-size: .875rem;
  letter-spacing: .1em;
  flex-shrink: 0;
  margin-top: 4px;
}

.scene-item h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.scene-item p {
  font-size: .8438rem;
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .scene-grid { grid-template-columns: 1fr; gap: 32px; }
  .scene-copy > p { max-width: 100%; }
}

/* ===== 口碑区 ===== */
.testimonial-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: start;
}

.quote-block {
  position: sticky;
  top: 120px;
  padding-top: 40px;
}

.quote-mark {
  font-size: 5rem;
  line-height: 1;
  color: var(--color-secondary);
  font-weight: 900;
  margin-bottom: 12px;
}

.quote-block h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 20px;
}

.quote-block p {
  color: var(--color-text-secondary);
  font-size: .9375rem;
  line-height: 1.8;
}

.testimonial-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s ease, transform .25s ease;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.testimonial-card p {
  font-size: .875rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 18px;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.client-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  font-weight: 900;
  flex-shrink: 0;
}

.client-info .client-name {
  font-size: .8125rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.client-info .client-meta {
  font-size: .75rem;
  color: var(--color-text-secondary);
}

.data-strip {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.data-item {
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid var(--color-border);
}

.data-item:last-child { border-right: none; }

.data-item strong {
  font-size: 2.125rem;
  font-weight: 900;
  color: var(--color-primary);
  display: block;
  line-height: 1.2;
}

.data-item span {
  font-size: .8438rem;
  color: var(--color-text-secondary);
  display: block;
  margin-top: 6px;
}

.marquee-wrap {
  margin-top: 56px;
  background: #1B2631;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 18px 0;
  position: relative;
}

.marquee-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: scrollX 24s linear infinite;
}

.marquee-track span {
  color: rgba(255, 255, 255, .85);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .04em;
}

.marquee-track span em {
  color: var(--color-secondary);
  font-style: normal;
  margin-right: 12px;
}

@keyframes scrollX {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (max-width: 1024px) {
  .testimonial-layout { grid-template-columns: 1fr; gap: 32px; }
  .quote-block { position: static; padding-top: 0; }
  .data-strip { grid-template-columns: repeat(2, 1fr); }
  .data-item:nth-child(2) { border-right: none; }
  .data-item:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); }
}

@media (max-width: 768px) {
  .testimonial-cards { grid-template-columns: 1fr; }
  .data-strip { grid-template-columns: 1fr; }
  .data-item { border-right: none !important; border-bottom: 1px solid var(--color-border) !important; }
  .data-item:last-child { border-bottom: none !important; }
  .marquee-track { animation-duration: 18s; }
}

/* ===== 价格方案 ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s ease, transform .25s ease;
  position: relative;
}

.price-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.price-card.recommended {
  border-color: var(--color-primary);
  border-width: 2px;
  box-shadow: 0 12px 40px rgba(44, 107, 158, .14);
}

.price-badge {
  position: absolute;
  top: -14px;
  left: 32px;
  background: var(--color-primary);
  color: #fff;
  font-size: .75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 999px;
  letter-spacing: .05em;
}

.price-card h3 {
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.price-card .desc {
  font-size: .8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.price-value {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 8px;
}

.price-value small {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.price-unit {
  font-size: .8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.price-list {
  border-top: 1px solid var(--color-border);
  margin-bottom: 28px;
  flex: 1;
}

.price-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  font-size: .875rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.price-list li::before {
  content: '✓';
  font-size: .75rem;
  font-weight: 900;
  color: var(--color-primary);
  width: 18px;
  height: 18px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.price-card .btn {
  width: 100%;
}

.pricing-note {
  margin-top: 24px;
  text-align: center;
  font-size: .8125rem;
  color: var(--color-text-secondary);
}

@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .price-card:last-child { grid-column: span 2; }
}

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card:last-child { grid-column: span 1; }
}

/* ===== 资讯区 ===== */
.news-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 56px;
  align-items: start;
}

.news-list { border-top: 2px solid var(--color-text); }

.news-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--color-border);
  transition: background .2s ease, padding-left .2s ease;
}

.news-item:hover {
  background: var(--color-surface-alt);
  padding-left: 16px;
}

.news-item .news-tag {
  font-size: .75rem;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 12px;
  border-radius: 999px;
  white-space: nowrap;
}

.news-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  flex: 1;
  transition: color .2s ease;
}

.news-item:hover h3 { color: var(--color-primary); }

.news-item .news-arrow {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  transition: color .2s ease, transform .2s ease;
}

.news-item:hover .news-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

.news-side { display: flex; flex-direction: column; gap: 28px; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list a {
  font-size: .8125rem;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-weight: 600;
  transition: all .2s ease;
}

.tag-list a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.help-card {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--color-border);
}

.help-card h4 {
  font-size: 1.125rem;
  font-weight: 900;
  margin-bottom: 8px;
}

.help-card p {
  font-size: .875rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .news-layout { grid-template-columns: 1fr; gap: 32px; }
  .news-item { flex-wrap: wrap; gap: 10px; }
  .news-item h3 { flex-basis: calc(100% - 60px); }
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}

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

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 8px;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  transition: color .2s ease;
}

.faq-q .faq-num {
  font-size: .8125rem;
  font-weight: 900;
  color: var(--color-secondary);
  letter-spacing: .1em;
  transition: color .2s ease;
  min-width: 42px;
}

.faq-q:hover { color: var(--color-primary); }
.faq-item.open .faq-q { color: var(--color-primary); }
.faq-item.open .faq-num { color: var(--color-accent); }

.faq-q .faq-icon {
  margin-left: auto;
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  transition: transform .3s ease, color .2s ease;
  flex-shrink: 0;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}

.faq-item.open .faq-a {
  max-height: 500px;
  padding: 0 8px 24px 70px;
}

.faq-a p {
  font-size: .9063rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .faq-q { flex-wrap: wrap; gap: 8px; padding: 18px 4px; }
  .faq-item.open .faq-a { padding-left: 8px; }
}

/* ===== CTA横幅 ===== */
.cta-banner {
  background: linear-gradient(135deg, #1E4F78 0%, #2C6B9E 100%);
  padding: clamp(4rem, 7vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='0.05'/%3E%3C/svg%3E");
  z-index: 1;
}

.cta-banner .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 40px;
  align-items: center;
}

.cta-content h2 {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255, 255, 255, .85);
  font-size: .9375rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 768px) {
  .cta-banner .container { grid-template-columns: 1fr; }
  .cta-actions { justify-content: flex-start; }
}

/* ===== 订阅板块 ===== */
.subscribe-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  margin-top: -80px;
  position: relative;
  z-index: 3;
}

.subscribe-block h3 {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 8px;
}

.subscribe-block p {
  color: var(--color-text-secondary);
  font-size: .875rem;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  min-width: 360px;
}

.subscribe-form input {
  flex: 1;
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0 22px;
  font-size: .875rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.subscribe-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(44, 107, 158, .1);
}

@media (max-width: 768px) {
  .subscribe-block { grid-template-columns: 1fr; margin-top: -48px; padding: 32px 24px; }
  .subscribe-form { min-width: 0; flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
}

/* ===== 页脚 ===== */
.footer {
  background: var(--color-footer-bg);
  color: rgba(255, 255, 255, .8);
  padding-top: 72px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .footer-logo {
  font-size: 1.125rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 16px;
  display: block;
}

.footer-brand .footer-logo span { color: var(--color-secondary); }

.footer-brand p {
  font-size: .8438rem;
  color: rgba(255, 255, 255, .6);
  line-height: 1.8;
}

.footer-col h4 {
  font-size: .875rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .08em;
}

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul a {
  color: rgba(255, 255, 255, .6);
  font-size: .8438rem;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-col ul a:hover {
  color: #8FB8DC;
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: .8438rem;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 12px;
  line-height: 1.6;
}

.footer-contact li span {
  color: var(--color-secondary);
  font-weight: 700;
  min-width: 48px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .75rem;
  color: rgba(255, 255, 255, .4);
}

.footer-bottom a { color: rgba(255, 255, 255, .5); }
.footer-bottom a:hover { color: #8FB8DC; }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}

/* ===== 通用工具 ===== */
.text-center { text-align: center; }

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }