/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #5A3A2A;
  --primary-dark: #4A2C1E;
  --gold: #D4A24A;
  --gold-light: #E8C47A;
  --clay: #9E5A3C;
  --bg-paper: #F5F0E8;
  --bg-tea: #FAF6EF;
  --dark: #2D1F17;
  --text: #2D1F17;
  --text-light: rgba(90, 58, 42, 0.8);
  --text-faint: rgba(90, 58, 42, 0.55);
  --border: rgba(90, 58, 42, 0.15);
  --border-strong: rgba(90, 58, 42, 0.28);
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 2px 8px rgba(90, 58, 42, 0.08);
  --shadow-hover: 0 8px 24px rgba(90, 58, 42, 0.16);
  --shadow-active: inset 0 2px 6px rgba(90, 58, 42, 0.15);
  --container: 1200px;
  --pad-desktop: 24px;
  --pad-mobile: 16px;
  --space-desk: 120px;
  --space-tab: 80px;
  --space-mobile: 60px;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg-paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--gold);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ========== 容器 ========== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-desktop);
  padding-right: var(--pad-desktop);
  position: relative;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--gold);
  border: 2px solid transparent;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--gold-light);
  border-color: var(--gold);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.btn-primary:active {
  box-shadow: var(--shadow-active);
  transform: translateY(0);
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(212, 162, 74, 0.45);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--gold);
}

.btn-outline:hover {
  background: var(--bg-tea);
  color: var(--primary-dark);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-outline:active {
  box-shadow: var(--shadow-active);
  transform: translateY(0);
}

.btn-outline:focus-visible {
  outline: 3px solid rgba(212, 162, 74, 0.4);
  outline-offset: 2px;
}

.btn-text {
  background: transparent;
  color: var(--primary);
  border: none;
  padding: 14px 8px;
  font-weight: 600;
  position: relative;
}

.btn-text::after {
  content: '';
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.btn-text:hover {
  color: var(--gold);
}

.btn-text:hover::after {
  transform: scaleX(1);
}

.btn-text:focus-visible {
  outline: 3px solid rgba(212, 162, 74, 0.4);
  outline-offset: 2px;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 10px;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 18px;
  border-radius: var(--radius-sm);
  transform: scale(1.1);
}

.btn-lg:hover {
  transform: scale(1.1) translateY(-2px);
}

.btn-lg:active {
  transform: scale(1.08);
}

.btn-loading {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ========== 徽章 / 角标 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.badge-gold {
  background: var(--gold);
  color: var(--dark);
}

.badge-clay {
  background: transparent;
  color: var(--clay);
  border: 1.5px solid var(--clay);
  border-radius: 8px;
  font-size: 12px;
  padding: 4px 12px;
  letter-spacing: 0.1em;
}

.badge-line {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--gold);
  border-radius: 8px;
}

.badge-dark {
  background: var(--dark);
  color: var(--gold);
}

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 240, 232, 0.95);
  backdrop-filter: none;
  border-bottom: 1px solid var(--gold);
  box-shadow: 0 2px 12px rgba(45, 31, 23, 0.06);
}

.header-brand-bar {
  background: var(--bg-tea);
  border-bottom: 1px solid rgba(212, 162, 74, 0.18);
}

.header-brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.04em;
}

.brand-logo:hover {
  color: var(--primary);
}

.brand-logo svg {
  flex-shrink: 0;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-tel {
  font-size: 14px;
  color: var(--text-light);
  font-weight: 500;
}

.header-tel a {
  color: var(--text-light);
}

.header-tel a:hover {
  color: var(--gold);
}

.header-nav {
  position: relative;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-top: 0;
  padding-bottom: 0;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  border-radius: 10px 10px 0 0;
  position: relative;
  transition: all 0.3s;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1px;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--gold);
  transition: transform 0.35s;
  display: none;
}

.nav-link:hover {
  color: var(--dark);
  background: rgba(212, 162, 74, 0.1);
}

.nav-link.active {
  color: var(--dark);
  background: rgba(212, 162, 74, 0.16);
  border-bottom-color: var(--gold);
  font-weight: 600;
}

.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.75;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(45, 31, 23, 0.75) 0%, rgba(45, 31, 23, 0.55) 40%, rgba(45, 31, 23, 0.35) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-card {
  background: rgba(250, 246, 239, 0.88);
  border: 1px solid rgba(212, 162, 74, 0.65);
  border-radius: var(--radius);
  padding: 48px 40px;
  max-width: 680px;
  width: 100%;
  box-shadow: 0 12px 40px rgba(45, 31, 23, 0.25);
  position: relative;
  text-align: center;
}

.hero-card .badge {
  margin-bottom: 16px;
}

.hero-card h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.28;
  color: var(--dark);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-light);
  margin-bottom: 14px;
  font-weight: 500;
}

.hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-faint);
  margin-bottom: 28px;
}

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

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  border-top: 1px dashed var(--border);
  padding-top: 20px;
}

.hero-trust span {
  font-size: 14px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-trust span::before {
  content: '✓';
  color: var(--gold);
  font-weight: 700;
  font-size: 15px;
}

/* ========== 板块通用 ========== */
.section {
  padding-top: var(--space-desk);
  padding-bottom: var(--space-desk);
  position: relative;
}

.section-alt {
  background: var(--bg-tea);
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.section-head .badge {
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.35;
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}

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

/* ========== 回合分隔线 ========== */
.turn-divider {
  position: relative;
  height: 1px;
  max-width: 600px;
  margin: 0 auto;
  background: repeating-linear-gradient(90deg, rgba(90, 58, 42, 0.22) 0, rgba(90, 58, 42, 0.22) 8px, transparent 8px, transparent 16px);
}

.turn-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--gold);
  border: 2px solid var(--bg-paper);
  border-radius: 2px;
  box-shadow: 0 0 0 4px rgba(212, 162, 74, 0.15);
}

/* ========== 痛点板块 ========== */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: var(--bg-tea);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
}

.card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-active);
}

.card-top-border {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--clay), var(--primary));
}

.problem-card .badge {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
  background: rgba(212, 162, 74, 0.92);
  color: var(--dark);
  border-radius: 8px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.card-img-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 18px;
  position: relative;
  aspect-ratio: 16 / 10;
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card-img-wrap img {
  transform: scale(1.04);
}

.card-num {
  position: absolute;
  right: 14px;
  bottom: 10px;
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  line-height: 1;
}

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

.problem-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-light);
}

/* ========== 解决方案板块 ========== */
.steps-wrapper {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 20px;
}

.step-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-tea);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  max-width: 860px;
}

.step-card:nth-child(even) {
  margin-left: auto;
  flex-direction: row-reverse;
}

.step-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
  transform: translateY(-3px);
}

.step-number {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  min-width: 72px;
  text-align: center;
  border-right: 2px dashed var(--border);
  padding-right: 24px;
}

.step-card:nth-child(even) .step-number {
  border-right: none;
  border-left: 2px dashed var(--border);
  padding-right: 0;
  padding-left: 24px;
}

.step-body {
  flex: 1;
  min-width: 0;
}

.step-body .badge-clay {
  margin-bottom: 8px;
}

.step-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.step-body p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-light);
}

.step-img {
  width: 160px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.step-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== 保障图标条 ========== */
.assurance-bar {
  background: var(--dark);
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}

.assurance-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--clay), var(--gold));
}

.assurance-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.assurance-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--bg-tea);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.assurance-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  background: rgba(212, 162, 74, 0.12);
  color: var(--gold);
  flex-shrink: 0;
  font-size: 18px;
}

/* ========== 成果板块 ========== */
.results-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  margin-top: 40px;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.data-card {
  background: var(--bg-tea);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.data-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--clay));
  opacity: 0.8;
}

.data-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
}

.data-num {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  display: block;
  margin-bottom: 4px;
}

.data-label {
  font-size: 14px;
  color: var(--text-light);
  letter-spacing: 0.08em;
}

.result-card {
  background: var(--dark);
  border: 3px solid var(--gold);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: 0 8px 32px rgba(45, 31, 23, 0.35);
  transition: all 0.3s;
}

.result-card:hover {
  box-shadow: 0 14px 40px rgba(45, 31, 23, 0.45);
  transform: translateY(-3px);
}

.result-card img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  opacity: 0.75;
}

.result-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 32px 24px;
  background: linear-gradient(to top, rgba(45, 31, 23, 0.92), transparent);
}

.result-card-content .badge {
  margin-bottom: 10px;
}

.result-card-content p {
  color: var(--bg-tea);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* ========== 证言板块 ========== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.testimonial-card {
  background: var(--bg-tea);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.testimonial-card:nth-child(2n) {
  background: var(--dark);
  border-color: var(--dark);
}

.testimonial-card:nth-child(2n) .testimonial-text,
.testimonial-card:nth-child(2n) .testimonial-meta {
  color: var(--bg-tea);
}

.testimonial-card:nth-child(2n) .testimonial-label {
  color: var(--gold);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--gold);
}

.testimonial-stars {
  color: var(--gold);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.testimonial-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light);
  flex: 1;
  margin-bottom: 18px;
  font-style: italic;
}

.testimonial-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-light);
}

.testimonial-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
}

.testimonial-label {
  font-size: 12px;
  color: var(--clay);
  background: rgba(158, 90, 60, 0.1);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 500;
}

.testimonial-card:nth-child(2n) .testimonial-label {
  background: rgba(212, 162, 74, 0.18);
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 780px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-tea);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
  overflow: hidden;
}

.faq-item:hover {
  border-color: var(--gold);
}

.faq-item.active {
  border-color: var(--gold);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  position: relative;
  user-select: none;
}

.faq-question .badge {
  flex-shrink: 0;
}

.faq-question h3 {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.5;
  margin: 0;
}

.faq-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 400;
  color: var(--primary);
  transition: all 0.3s;
  line-height: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(135deg);
  background: var(--gold);
  color: var(--dark);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--bg-paper);
}

.faq-answer-inner {
  padding: 0 24px 20px;
  padding-left: 70px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light);
}

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

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding-top: var(--space-desk);
  padding-bottom: var(--space-desk);
}

.cta-card {
  position: relative;
  background: var(--dark);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 64px 48px;
  text-align: center;
  box-shadow: 0 16px 48px rgba(45, 31, 23, 0.4);
  border: 2px solid var(--gold);
}

.cta-card-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.cta-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(45, 31, 23, 0.55);
}

.cta-card-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.cta-card .badge {
  margin-bottom: 18px;
}

.cta-card h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--bg-tea);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.cta-card .cta-desc {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(250, 246, 239, 0.8);
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 460px;
  margin: 0 auto 28px;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  color: rgba(250, 246, 239, 0.8);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.form-input {
  width: 100%;
  background: rgba(250, 246, 239, 0.92);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 15px;
  color: var(--dark);
  transition: all 0.25s;
}

.form-input::placeholder {
  color: rgba(90, 58, 42, 0.45);
}

.form-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 162, 74, 0.25);
  background: var(--bg-tea);
}

.form-input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.cta-form .btn {
  margin-top: 8px;
  width: 100%;
}

.cta-contact-line {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  border-top: 1px dashed rgba(212, 162, 74, 0.35);
  padding-top: 20px;
  color: rgba(250, 246, 239, 0.85);
  font-size: 14px;
}

.cta-contact-line span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--dark);
  color: rgba(250, 246, 239, 0.9);
  padding-top: 64px;
  padding-bottom: 32px;
}

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

.footer-brand .brand-logo {
  color: var(--bg-tea);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250, 246, 239, 0.7);
  max-width: 280px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  color: rgba(250, 246, 239, 0.7);
  font-size: 14px;
  transition: all 0.25s;
}

.footer-col a:hover {
  color: var(--gold);
  text-decoration: underline;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: rgba(250, 246, 239, 0.7);
}

.footer-contact-list span {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
}

.footer-copy {
  text-align: center;
  border-top: 1px solid rgba(250, 246, 239, 0.12);
  padding-top: 28px;
  font-size: 13px;
  color: rgba(250, 246, 239, 0.45);
  line-height: 1.8;
}

.footer-copy .sep {
  display: inline-block;
  margin: 0 10px;
  opacity: 0.4;
}

/* ========== 焦点可见 ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(212, 162, 74, 0.5);
  outline-offset: 2px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-card h1 {
    font-size: 34px;
  }
  .hero-card {
    padding: 40px 28px;
  }
  .step-card {
    max-width: 100%;
  }
  .step-number {
    font-size: 36px;
    min-width: 56px;
  }
  .results-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .result-card img {
    min-height: 240px;
  }
  .footer-grid {
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: var(--pad-mobile);
    padding-right: var(--pad-mobile);
  }
  .section {
    padding-top: var(--space-mobile);
    padding-bottom: var(--space-mobile);
  }
  .section-head {
    margin-bottom: 36px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .section-desc {
    font-size: 15px;
  }
  .hero {
    min-height: 520px;
  }
  .hero-card {
    padding: 32px 20px;
    border-radius: var(--radius-sm);
  }
  .hero-card h1 {
    font-size: 28px;
    line-height: 1.35;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-desc {
    font-size: 14px;
  }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta .btn {
    width: 100%;
  }
  .hero-trust {
    gap: 12px;
    padding-top: 16px;
  }
  .hero-trust span {
    font-size: 13px;
  }
  .header-brand-inner {
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .brand-logo {
    font-size: 18px;
  }
  .brand-logo svg {
    transform: scale(0.85);
  }
  .header-tel {
    display: none;
  }
  .nav-link {
    padding: 10px 14px;
    font-size: 14px;
  }
  .nav-inner {
    gap: 4px;
  }
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .card {
    border-radius: var(--radius-sm);
    padding: 20px;
  }
  .step-card {
    flex-direction: column !important;
    align-items: stretch;
    gap: 16px;
    border-radius: var(--radius-sm);
    padding: 20px;
  }
  .step-number {
    font-size: 32px;
    min-width: 0;
    text-align: left;
    border-right: none;
    border-left: none !important;
    padding-right: 0;
    padding-left: 0;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .step-number::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
  }
  .step-img {
    width: 100%;
    height: 160px;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .data-card {
    padding: 20px 12px;
  }
  .data-num {
    font-size: 32px;
  }
  .data-label {
    font-size: 12px;
  }
  .result-card img {
    min-height: 200px;
  }
  .result-card-content {
    padding: 24px 16px;
  }
  .result-card-content p {
    font-size: 16px;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .testimonial-card {
    border-radius: var(--radius-sm);
    padding: 24px 20px;
  }
  .faq-item {
    border-radius: var(--radius-sm);
  }
  .faq-question {
    padding: 16px 16px;
    gap: 12px;
  }
  .faq-question h3 {
    font-size: 15px;
  }
  .faq-answer-inner {
    padding-left: 16px;
    font-size: 14px;
  }
  .cta-card {
    padding: 40px 20px;
    border-radius: var(--radius-sm);
  }
  .cta-card h2 {
    font-size: 26px;
  }
  .cta-form .btn {
    width: 100%;
  }
  .cta-contact-line {
    flex-direction: column;
    gap: 10px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand p {
    max-width: 100%;
  }
  .turn-divider {
    margin: 0 auto;
  }
  .assurance-inner {
    flex-direction: column;
    gap: 16px;
  }
  .assurance-item {
    width: 100%;
    justify-content: center;
  }
}