/* roulang page: index */
:root {
  --color-primary: #6B4F3A;
  --color-primary-dark: #573D2A;
  --color-primary-light: #8A6B52;
  --color-secondary: #6F8F72;
  --color-secondary-light: #8AA98D;
  --color-accent: #C4913D;
  --color-bg: #F7F2EB;
  --color-surface: #FFFDF8;
  --color-dark: #2C241E;
  --color-text: #2C241E;
  --color-text-light: #6E6258;
  --color-text-muted: #9A8F82;
  --color-border: #E5DCCF;
  --color-error: #B85C49;
  --color-success: #5E7D60;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.05);
  --shadow-hover: 0 8px 24px rgba(0,0,0,.08);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-serif: Georgia, "Noto Serif SC", "STSong", "SimSun", serif;
  --container-max: 1200px;
  --gap: 24px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary-dark); }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

ul, ol { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }
button:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

input, select, textarea { font-family: inherit; font-size: 16px; }

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

/* ========== 刊头导航 ========== */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(247, 242, 235, .96);
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.masthead-brand {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: .02em;
  line-height: 1.2;
}

.brand-sub {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: .5em;
  margin-top: 2px;
  font-weight: 300;
}

.masthead-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: right;
  line-height: 1.6;
  letter-spacing: .05em;
}

.masthead-meta .issue-num {
  display: block;
  font-weight: 600;
  color: var(--color-text-light);
}

.main-nav {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.nav-list {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  gap: 0;
  padding: 0 24px;
  overflow-x: auto;
}

.nav-list li {
  position: relative;
}

.nav-list a {
  display: inline-block;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  border-bottom: 2px solid transparent;
  transition: all .2s ease;
  white-space: nowrap;
}

.nav-list a:hover {
  color: var(--color-primary);
  background: rgba(107, 79, 58, .04);
}

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

.nav-list li+li a::before {
  content: '';
  display: inline-block;
  width: 1px;
  height: 14px;
  background: var(--color-border);
  margin-right: 0;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle {
  display: none;
  padding: 12px;
  font-size: 24px;
  color: var(--color-primary);
  line-height: 1;
}

.mobile-nav-close {
  display: none;
}

/* ========== 指标看板 Hero ========== */
.hero-section {
  padding: clamp(48px, 6vw, 80px) 0;
  position: relative;
  background:
    linear-gradient(135deg, rgba(107, 79, 58, .03) 25%, transparent 25%) 0 0 / 40px 40px,
    linear-gradient(225deg, rgba(107, 79, 58, .03) 25%, transparent 25%) 0 0 / 40px 40px,
    var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero-tag {
  display: inline-block;
  background: rgba(196, 145, 61, .1);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  border: 1px solid rgba(196, 145, 61, .2);
}

.hero-title {
  font-size: clamp(1.9rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.hero-title .highlight {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: all .2s ease;
  text-align: center;
  cursor: pointer;
  line-height: 1.4;
  border: 1px solid transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

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

.btn-outline:hover {
  background: rgba(107, 79, 58, .04);
  transform: translateY(-1px);
}

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

/* 指标卡 */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: box-shadow .3s ease;
  border-top: 3px solid var(--color-accent);
}

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

.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(196, 145, 61, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--color-accent);
}

.stat-number {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.stat-number .unit {
  font-size: .6em;
  color: var(--color-text-light);
  font-weight: 500;
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
  letter-spacing: .05em;
}

/* ========== 服务矩阵 ========== */
.service-section {
  padding: clamp(72px, 9vw, 128px) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(48px, 6vw, 72px);
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}

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

.service-cover {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #EFE6DA;
  position: relative;
}

.service-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.service-card:hover .service-cover img {
  transform: scale(1.03);
}

.service-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(44, 36, 30, .05));
}

.service-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 8px;
  font-family: var(--font-serif);
}

.service-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.service-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 3px 12px;
  background: rgba(107, 79, 58, .08);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-weight: 500;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap .2s ease;
}

.service-link:hover {
  gap: 10px;
}

.service-link svg {
  width: 14px;
  height: 14px;
}

/* ========== 结果对比 ========== */
.compare-section {
  padding: clamp(72px, 9vw, 128px) 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.compare-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(48px, 6vw, 64px);
}

.compare-intro .section-desc {
  font-size: 15px;
}

.compare-table {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 960px;
  margin: 0 auto;
}

.compare-row {
  display: grid;
  grid-template-columns: 150px 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  transition: background .2s ease;
}

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

.compare-row:hover {
  background: rgba(107, 79, 58, .02);
}

.compare-label {
  padding: 24px;
  background: rgba(107, 79, 58, .04);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  border-right: 1px solid var(--color-border);
}

.compare-label svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.compare-item {
  padding: 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  border-right: 1px solid var(--color-border);
}

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

.compare-item strong {
  color: var(--color-primary);
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
}

.compare-item.highlight {
  background: rgba(196, 145, 61, .04);
}

.compare-table-head {
  display: grid;
  grid-template-columns: 150px 1fr 1fr;
  background: var(--color-dark);
  color: #fff;
}

.compare-table-head .compare-label,
.compare-table-head .compare-item {
  background: transparent;
  color: rgba(255, 255, 255, .9);
  border-right-color: rgba(255, 255, 255, .1);
  font-weight: 600;
}

.compare-table-head .compare-item {
  font-size: 13px;
  letter-spacing: .05em;
}

.compare-note {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
  max-width: 720px;
  margin: 24px auto 0;
  padding: 16px;
  border-top: 1px dashed var(--color-border);
}

/* ========== 最新资讯 ========== */
.news-section {
  padding: clamp(72px, 9vw, 128px) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.news-layout {
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  gap: 48px;
}

.news-list li {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  transition: padding-left .2s ease;
}

.news-list li:first-child {
  padding-top: 0;
}

.news-list li:last-child {
  border-bottom: none;
}

.news-list li:hover {
  padding-left: 8px;
}

.news-date {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: .1em;
  display: block;
  margin-bottom: 4px;
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  transition: color .2s ease;
}

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

.news-sidebar {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.sidebar-tags .tag {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  transition: all .2s ease;
}

.sidebar-tags .tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(107, 79, 58, .04);
}

.sidebar-featured {
  list-style: none;
}

.sidebar-featured li {
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.sidebar-featured li a {
  color: var(--color-text-light);
  transition: color .2s ease;
}

.sidebar-featured li a:hover {
  color: var(--color-primary);
}

.sidebar-featured li::before {
  content: '▸';
  color: var(--color-accent);
  margin-right: 8px;
}

/* ========== FAQ ========== */
.faq-section {
  padding: clamp(72px, 9vw, 128px) 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow .3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  gap: 16px;
  min-height: 44px;
  transition: color .2s ease;
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-question .q-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-bg);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.faq-item.active .q-badge {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.faq-icon {
  margin-left: auto;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform .2s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-text-light);
  transition: transform .2s ease;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  left: 9px;
  top: 3px;
}

.faq-item.active .faq-icon::after {
  transform: scaleY(0);
}

.faq-item.active .faq-icon {
  border-color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .2s ease;
}

.faq-answer-inner {
  padding: 0 24px 24px 68px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ========== 转化表单 ========== */
.contact-section {
  padding: clamp(72px, 9vw, 128px) 0;
  background: var(--color-dark);
  position: relative;
  border-top: 2px solid var(--color-primary);
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.contact-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.contact-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  font-family: var(--font-serif);
  line-height: 1.4;
}

.contact-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, .7);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.contact-form {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: left;
  backdrop-filter: blur(4px);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, .8);
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: .03em;
}

.form-group .label-required {
  color: var(--color-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid #E0D8CC;
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color .2s ease, box-shadow .2s ease;
  font-size: 15px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 79, 58, .2);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%236B4F3A' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select:invalid {
  color: var(--color-text-muted);
}

.form-group select option {
  color: var(--color-text);
}

.form-error {
  display: none;
  font-size: 12px;
  color: #F0A090;
  margin-top: 4px;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-left: 3px solid var(--color-error);
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-success input {
  border-left: 3px solid var(--color-success);
}

.form-submit {
  margin-top: 8px;
}

.btn-submit {
  width: 100%;
  padding: 14px 32px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-submit:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}

.btn-submit:active {
  transform: translateY(0);
  box-shadow: none;
}

.form-success {
  display: none;
  background: rgba(94, 125, 96, .2);
  border: 1px solid rgba(94, 125, 96, .4);
  border-radius: var(--radius-md);
  padding: 16px;
  color: #D8E8D9;
  font-size: 14px;
  text-align: center;
  margin-top: 20px;
}

.form-success.show {
  display: block;
}

.form-note {
  font-size: 12px;
  color: rgba(255, 255, 255, .4);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--color-dark);
  border-top: 2px solid var(--color-primary);
  color: rgba(255, 255, 255, .8);
  padding: 64px 0 0;
}

.footer-top {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand .footer-logo {
  display: block;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.3;
}

.footer-brand .footer-logo span {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255, 255, 255, .5);
  letter-spacing: .3em;
  margin-top: 2px;
  font-family: var(--font-sans);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .6);
  max-width: 320px;
}

.footer-col .footer-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .04em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  transition: color .2s ease;
}

.footer-col ul li a:hover {
  color: var(--color-secondary-light);
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .3);
}

.footer-bottom a {
  color: rgba(255, 255, 255, .4);
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, .7);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .masthead {
    padding: 16px;
  }

  .brand-name {
    font-size: 1.5rem;
  }

  .brand-sub {
    letter-spacing: .2em;
  }

  .masthead-meta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
    box-shadow: var(--shadow-hover);
    max-height: 80vh;
    overflow-y: auto;
  }

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

  .nav-list li a {
    padding: 14px 24px;
    display: block;
    border-bottom: 1px solid rgba(107, 79, 58, .06);
    border-radius: 0;
  }

  .nav-list li:last-child a {
    border-bottom: none;
  }

  .nav-list a.active {
    background: rgba(107, 79, 58, .04);
  }

  .nav-list li+li a::before {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-card {
    padding: 20px 16px;
  }

  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .compare-label {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
    background: rgba(107, 79, 58, .04);
    padding: 16px;
  }

  .compare-item {
    padding: 14px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .compare-item:last-child {
    border-bottom: none;
  }

  .compare-table-head {
    display: none;
  }

  .contact-form {
    padding: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 16px;
  }

  .news-layout {
    gap: 32px;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 520px) {
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .stat-card {
    padding: 16px 12px;
  }

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

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .faq-question {
    padding: 16px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 16px 16px 52px;
  }

  .contact-form {
    padding: 16px;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}