/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --c-dark: #241711;
  --c-dark-2: #2E1C12;
  --c-primary: #C8956C;
  --c-accent: #E6B980;
  --c-light: #F7F1E7;
  --c-paper: #FFFDF8;
  --c-text: #2B2019;
  --c-muted: #7B6B60;
  --c-line: #E4D8C8;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 18px;
  --shadow: 0 4px 20px rgba(30, 16, 8, .18);
  --shadow-hover: 0 10px 34px rgba(30, 16, 8, .22);
  --sp-section: 84px;
  --sp-section-sm: 52px;
  --font-serif: Georgia, "Songti SC", "SimSun", serif;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; }

/* ============ 容器 ============ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  background: var(--c-primary);
  color: var(--c-dark);
}
.btn:hover {
  background: var(--c-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn:focus-visible {
  outline: 3px solid rgba(230, 185, 128, .5);
  outline-offset: 2px;
}
.btn:active {
  transform: translateY(0) scale(.98);
}
.btn-outline {
  background: transparent;
  border-color: rgba(230, 185, 128, .7);
  color: #F5E6D3;
}
.btn-outline:hover {
  background: rgba(230, 185, 128, .12);
  border-color: var(--c-accent);
  color: #F5E6D3;
}
.btn-accent {
  background: var(--c-accent);
  color: var(--c-dark-2);
}
.btn-accent:hover {
  background: #F0C794;
  box-shadow: 0 8px 28px rgba(230, 185, 128, .35);
}
.btn-ticket {
  position: relative;
  border-radius: var(--r-sm);
}
.btn-ticket::before,
.btn-ticket::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  background: var(--c-light);
  border-radius: 50%;
  transform: translateY(-50%);
}
.btn-ticket::before { left: -8px; }
.btn-ticket::after { right: -8px; }
.btn-block {
  display: block;
  text-align: center;
}

/* ============ 徽章 ============ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  border-radius: 999px;
  background: rgba(200, 149, 108, .14);
  color: #8A5E3A;
  white-space: nowrap;
}
.chip-dark {
  background: rgba(255, 255, 255, .1);
  color: #D7C4B0;
}
.badge-score {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 14px;
  font-weight: 800;
  color: #B5713F;
  background: rgba(230, 185, 128, .16);
  border-radius: 6px;
  padding: 2px 8px;
}
.badge-reply {
  display: inline-flex;
  align-items: center;
  background: rgba(200, 149, 108, .12);
  color: #8A5E3A;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 10px;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(36, 23, 17, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  font-size: 17px;
  font-weight: 800;
  color: #F5E6D3;
  line-height: 1.4;
  letter-spacing: .4px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo:hover { color: var(--c-accent); }
.segment-nav {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, .05);
  border-radius: 999px;
  padding: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.segment-nav::-webkit-scrollbar { display: none; }
.segment-nav a {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: #D7C4B0;
  transition: all .2s ease;
}
.segment-nav a:hover,
.segment-nav a.active {
  background: rgba(230, 185, 128, .16);
  color: #F5E6D3;
}
.btn-header {
  flex-shrink: 0;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(36, 23, 17, .88) 0%, rgba(46, 28, 18, .86) 50%, rgba(62, 34, 19, .82) 100%),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding: 96px 0 56px;
  color: #F5E6D3;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1.3;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: .5px;
}
.hero-title .accent {
  color: var(--c-accent);
}
.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  max-width: 560px;
  color: #E0CDB8;
  margin: 0 0 32px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 28px;
}
.hero-stat {
  padding-right: 16px;
}
.hero-stat .num {
  display: block;
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1.2;
}
.hero-stat .label {
  font-size: 13px;
  color: #B9A28B;
  margin-top: 4px;
  display: block;
}

/* ============ 章节通用 ============ */
.section {
  padding: var(--sp-section) 0;
}
.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.4;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--c-text);
}
.section-head p {
  font-size: 15px;
  color: var(--c-muted);
  line-height: 1.8;
  margin: 0;
}

/* ============ 痛点区 ============ */
.pain-section {
  background: var(--c-light);
  position: relative;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 28px 24px 32px;
  position: relative;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}
.pain-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(200, 149, 108, .4);
}
.pain-card::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 8px;
  background: repeating-linear-gradient(135deg, var(--c-paper) 0, var(--c-paper) 6px, transparent 6px, transparent 12px);
}
.pain-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(200, 149, 108, .16);
  color: #8A5E3A;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 16px;
}
.pain-card h3 {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--c-text);
}
.pain-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin: 0;
}

/* ============ 解决方案区 ============ */
.solution-section {
  background: var(--c-paper);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.panel {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 24px;
  box-shadow: var(--shadow);
  height: 100%;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 2px dashed var(--c-line);
}
.panel-head h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  color: var(--c-text);
}

/* 榜单卡片 */
.rank-card {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 2px dashed rgba(228, 216, 200, .7);
  align-items: stretch;
  transition: background .25s;
}
.rank-card:last-child { border-bottom: none; padding-bottom: 4px; }
.rank-card:hover {
  background: rgba(230, 185, 128, .05);
}
.rank-thumb {
  width: 100px;
  height: 82px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: #E8D9C6;
}
.rank-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.rank-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.rank-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
}
.rank-desc {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.6;
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.rank-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 2px;
  padding-top: 6px;
  border-top: 1px dashed rgba(228, 216, 200, .5);
}
.rank-btn {
  font-size: 13px;
  font-weight: 700;
  color: #8A5E3A;
  background: rgba(200, 149, 108, .1);
  padding: 5px 14px;
  border-radius: 999px;
  transition: all .2s;
}
.rank-btn:hover {
  background: rgba(200, 149, 108, .2);
  color: #5F3A1F;
}

/* 论坛热帖 */
.forum-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.forum-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 10px;
  border-radius: 8px;
  transition: all .2s ease;
  border-bottom: 1px solid rgba(228, 216, 200, .4);
  cursor: pointer;
}
.forum-item:last-child { border-bottom: none; }
.forum-item:hover {
  background: rgba(230, 185, 128, .07);
  box-shadow: inset 3px 0 0 rgba(200, 149, 108, .5);
}
.forum-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: #8A5E3A;
  background: rgba(200, 149, 108, .1);
  border-radius: 4px;
  padding: 2px 8px;
}
.forum-title {
  flex: 1;
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.5;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.forum-meta {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--c-muted);
}

/* ============ 成果区 ============ */
.stats-section {
  background:
    linear-gradient(135deg, rgba(36, 23, 17, .92) 0%, rgba(46, 28, 18, .94) 100%),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  color: #F5E6D3;
}
.stats-section .section-head h2 { color: #F5E6D3; }
.stats-section .section-head p { color: #B9A28B; }
.stats-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 32px 16px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--r-md);
  position: relative;
  transition: all .3s;
}
.stat-item:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(230, 185, 128, .3);
}
.stat-item .num {
  display: block;
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat-item .label {
  display: block;
  font-size: 14px;
  color: #CAB8A2;
  margin-top: 8px;
}
.stat-item .sub {
  display: block;
  font-size: 12px;
  color: #8F7A64;
  margin-top: 4px;
}

/* ============ 证言区 ============ */
.testimonial-section {
  background: var(--c-light);
}
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.testi-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 28px 24px;
  position: relative;
  box-shadow: var(--shadow);
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.testi-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.testi-card.featured {
  border-color: rgba(200, 149, 108, .5);
  transform: scale(1.03);
}
.testi-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}
.testi-quote {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1;
  color: rgba(200, 149, 108, .4);
  margin-bottom: 8px;
}
.testi-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
  margin: 0 0 20px;
  flex: 1;
}
.testi-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px dashed var(--c-line);
  padding-top: 16px;
}
.testi-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.testi-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-text);
}
.testi-group {
  font-size: 12px;
  color: var(--c-muted);
  background: rgba(200, 149, 108, .1);
  border-radius: 999px;
  padding: 2px 10px;
}

/* ============ CTA 区 ============ */
.cta-section {
  background: linear-gradient(135deg, #2E1C12 0%, #3D2619 100%);
  color: #F5E6D3;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(230, 185, 128, .12), transparent 70%);
  pointer-events: none;
}
.cta-section .section-head h2 { color: #F5E6D3; }
.cta-section .section-head p { color: #B9A28B; }
.cta-tickets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 48px;
}
.cta-ticket {
  position: relative;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(230, 185, 128, .25);
  border-radius: var(--r-md);
  padding: 36px 32px;
  text-align: center;
  transition: all .3s;
  overflow: hidden;
}
.cta-ticket:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(230, 185, 128, .5);
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, .3);
}
.cta-ticket::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: repeating-linear-gradient(135deg, rgba(230, 185, 128, .4) 0, rgba(230, 185, 128, .4) 6px, transparent 6px, transparent 12px);
}
.cta-ticket h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 12px;
  color: #F5E6D3;
}
.cta-ticket p {
  font-size: 15px;
  color: #CAB8A2;
  line-height: 1.7;
  margin: 0 0 24px;
}
.cta-ticket .btn {
  min-width: 140px;
}

/* 表单 */
.cta-form-wrap {
  max-width: 680px;
  margin: 0 auto;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--r-md);
  padding: 36px;
}
.cta-form-wrap h3 {
  font-size: 20px;
  font-weight: 800;
  color: #F5E6D3;
  margin: 0 0 8px;
  text-align: center;
}
.cta-form-wrap p {
  font-size: 14px;
  color: #B9A28B;
  text-align: center;
  margin: 0 0 28px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  color: #D7C4B0;
  margin-bottom: 6px;
  font-weight: 600;
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .08);
  color: #F5E6D3;
  font-size: 15px;
  transition: all .2s;
}
.form-control::placeholder { color: #8F7A64; }
.form-control:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(230, 185, 128, .15);
  background: rgba(255, 255, 255, .1);
}
textarea.form-control {
  resize: vertical;
  min-height: 90px;
}
.form-submit {
  margin-top: 8px;
}
.form-error {
  color: #C76A5A;
  font-size: 13px;
  margin-top: 4px;
}

/* ============ FAQ ============ */
.faq-section {
  background: var(--c-paper);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--c-light);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all .25s;
}
.faq-item.open {
  border-color: rgba(200, 149, 108, .4);
  box-shadow: var(--shadow);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text);
  user-select: none;
}
.faq-q .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(200, 149, 108, .14);
  color: #8A5E3A;
  font-size: 14px;
  font-weight: 900;
  transition: transform .3s;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(200, 149, 108, .3);
}
.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
}
.faq-item.open .faq-a {
  max-height: 360px;
  padding: 0 24px 22px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--c-dark);
  color: #B9A28B;
  padding: 56px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.footer-logo {
  font-size: 16px;
  font-weight: 800;
  color: #F5E6D3;
  display: block;
  margin-bottom: 12px;
}
.footer-desc {
  color: #8F7A64;
  line-height: 1.8;
  margin: 0;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  color: #F5E6D3;
  margin: 0 0 16px;
  font-weight: 700;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #B9A28B;
  transition: all .2s;
}
.footer-links a:hover {
  color: var(--c-accent);
  padding-left: 4px;
}
.footer-bottom {
  padding: 20px 0;
  font-size: 13px;
  color: #6F5D4C;
  text-align: center;
}
.footer-bottom a {
  color: #8F7A64;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-wall { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-card.featured { transform: none; }
  .testi-card.featured:hover { transform: translateY(-4px); }
  .hero-title { font-size: 36px; }
}
@media (max-width: 768px) {
  :root { --sp-section: 56px; --sp-section-sm: 36px; }
  .container { padding: 0 16px; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 25px; }
  .hero { padding: 60px 0 40px; }
  .hero-title { font-size: 30px; }
  .hero-lead { font-size: 15px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .hero-stat .num { font-size: 28px; }
  .header-inner { flex-wrap: wrap; padding: 10px 16px; }
  .segment-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    border-radius: 8px;
    padding: 4px;
  }
  .btn-header { display: none; }
  .pain-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-wall { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item .num { font-size: 34px; }
  .testi-grid { grid-template-columns: 1fr; gap: 20px; }
  .cta-tickets { grid-template-columns: 1fr; gap: 20px; }
  .cta-form-wrap { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .rank-card { flex-direction: column; }
  .rank-thumb { width: 100%; height: 120px; object-fit: cover; }
  .forum-item { flex-wrap: wrap; }
  .forum-meta { width: 100%; justify-content: flex-end; }
}
@media (max-width: 520px) {
  .hero-title { font-size: 26px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
  .section-head h2 { font-size: 22px; }
  .stats-wall { grid-template-columns: 1fr; }
  .stat-item { padding: 24px 16px; }
  .cta-form-wrap { padding: 18px; }
  .cta-ticket { padding: 28px 20px; }
  .segment-nav { border-radius: 8px; }
  .segment-nav a { padding: 6px 12px; font-size: 13px; }
}

/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --bg-deep: #241711;
            --bg-deep-2: #2E1C12;
            --bg-deep-3: #1a100b;
            --primary: #C8956C;
            --primary-dark: #a8794f;
            --accent: #E6B980;
            --accent-light: #f2d5a8;
            --bg-light: #F7F1E7;
            --bg-white: #fffdf9;
            --text-main: #2B2019;
            --text-secondary: #7B6B60;
            --border: #E4D8C8;
            --border-light: #efe6d8;
            --shadow-sm: 0 2px 8px rgba(30,16,8,.10);
            --shadow-md: 0 6px 24px rgba(30,16,8,.16);
            --shadow-lg: 0 14px 40px rgba(30,16,8,.22);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 18px;
            --radius-xlg: 24px;
            --gap: 24px;
            --section-pad: 88px 0;
            --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --font-num: "SF Mono", "Fira Code", "Roboto Mono", Consolas, monospace;
        }

        /* ============ Reset / 基础 ============ */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-body); background: var(--bg-light); color: var(--text-main); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
        a { color: var(--primary-dark); text-decoration: none; transition: color .2s, border-color .2s, background .2s, box-shadow .2s, transform .2s; }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        button, input, select, textarea { font-family: inherit; }
        h1, h2, h3, h4, h5 { line-height: 1.3; font-weight: 700; color: var(--text-main); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .section { padding: var(--section-pad); }
        .section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
        .section-tag { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px; color: var(--primary-dark); background: rgba(200,149,108,.12); padding: 6px 18px; border-radius: 999px; margin-bottom: 14px; }
        .section-head h2 { font-size: 32px; margin-bottom: 14px; letter-spacing: .5px; }
        .section-desc { color: var(--text-secondary); font-size: 16px; }

        /* ============ 按钮 ============ */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-size: 15px; font-weight: 600; padding: 14px 32px; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; transition: all .25s ease; }
        .btn-primary { background: var(--accent); color: var(--bg-deep); border-color: var(--accent); }
        .btn-primary:hover { background: var(--accent-light); color: var(--bg-deep); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-primary:active { transform: scale(.97); background: #d9a76c; }
        .btn-primary:focus-visible { outline: 3px solid rgba(230,185,128,.5); outline-offset: 2px; }
        .btn-outline { background: transparent; color: var(--primary-dark); border-color: var(--primary); }
        .btn-outline:hover { background: rgba(200,149,108,.1); color: var(--primary-dark); transform: translateY(-2px); }
        .btn-outline:active { transform: scale(.97); }
        .btn-outline:focus-visible { outline: 3px solid rgba(200,149,108,.4); outline-offset: 2px; }
        .btn-outline-light { background: transparent; color: #f5e6d2; border-color: rgba(245,230,210,.6); }
        .btn-outline-light:hover { background: rgba(245,230,210,.12); color: #fff; transform: translateY(-2px); }
        .btn-accent { background: var(--accent); color: var(--bg-deep); }
        .btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-block { width: 100%; }
        .btn-small { padding: 8px 20px; font-size: 13px; border-radius: var(--radius-sm); }

        /* 票根式按钮 */
        .btn-ticket { position: relative; background: var(--accent); color: var(--bg-deep); padding: 16px 40px; border-radius: var(--radius-md); font-weight: 700; box-shadow: var(--shadow-md); }
        .btn-ticket::before { content: ''; position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 8px; height: 8px; border-radius: 50%; background: var(--bg-deep); opacity: .6; }
        .btn-ticket::after { content: ''; position: absolute; right: 14px; top: 50%; transform: translateY(-50%); width: 8px; height: 8px; border-radius: 50%; background: var(--bg-deep); opacity: .6; }
        .btn-ticket:hover { background: var(--accent-light); transform: translateY(-3px) scale(1.02); box-shadow: var(--shadow-lg); }
        .btn-ticket:active { transform: translateY(0) scale(.98); }
        .btn-ticket:focus-visible { outline: 3px solid rgba(230,185,128,.6); outline-offset: 2px; }

        /* ============ Chip 标签 ============ */
        .chip { display: inline-block; font-size: 12px; font-weight: 500; padding: 4px 14px; border-radius: 999px; background: rgba(200,149,108,.14); color: var(--primary-dark); border: 1px solid rgba(200,149,108,.2); line-height: 1.5; margin: 2px 4px 2px 0; }
        .chip-dark { background: rgba(230,185,128,.18); border-color: rgba(230,185,128,.3); color: var(--accent); }
        .reply-badge { display: inline-flex; align-items: center; gap: 4px; background: rgba(200,149,108,.12); color: var(--primary-dark); font-size: 12px; font-weight: 600; border-radius: 999px; padding: 2px 10px; }

        /* ============ Header 导航 ============ */
        .site-header { background: var(--bg-deep); position: sticky; top: 0; z-index: 100; box-shadow: 0 4px 20px rgba(0,0,0,.25); border-bottom: 1px solid rgba(230,185,128,.15); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 20px; }
        .brand { font-size: 20px; font-weight: 800; color: var(--accent); letter-spacing: .5px; white-space: nowrap; }
        .brand:hover { color: var(--accent-light); }
        .brand em { font-style: normal; color: var(--primary); }
        .header-nav { display: flex; align-items: center; gap: 2px; }
        .header-nav .nav-link { padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 500; color: rgba(245,230,210,.75); transition: all .2s; }
        .header-nav .nav-link:hover { color: #fff; background: rgba(230,185,128,.15); }
        .header-nav .nav-link.active { background: rgba(230,185,128,.22); color: var(--accent); font-weight: 600; }
        .header-nav .nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .header-cta { margin-left: 8px; }
        .nav-toggle { display: none; background: transparent; border: 1px solid rgba(230,185,128,.4); color: var(--accent); width: 42px; height: 42px; border-radius: var(--radius-sm); font-size: 18px; cursor: pointer; align-items: center; justify-content: center; }
        .nav-toggle:hover { background: rgba(230,185,128,.12); }
        .nav-toggle:focus-visible { outline: 2px solid var(--accent); }

        /* ============ Hero ============ */
        .hero { position: relative; background: var(--bg-deep); color: #f5e6d2; overflow: hidden; }
        .hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(110deg, rgba(36,23,17,.94) 30%, rgba(36,23,17,.72) 60%, rgba(36,23,17,.55) 100%); z-index: 0; }
        .hero-content { position: relative; z-index: 1; padding: 88px 0 72px; }
        .hero-badge { display: inline-block; background: rgba(230,185,128,.18); border: 1px solid rgba(230,185,128,.3); color: var(--accent); font-size: 13px; font-weight: 600; padding: 6px 18px; border-radius: 999px; letter-spacing: 1px; margin-bottom: 20px; }
        .hero h1 { color: #fff; font-size: 42px; line-height: 1.3; font-weight: 800; max-width: 620px; margin-bottom: 22px; letter-spacing: 1px; }
        .hero h1 .highlight { color: var(--accent); position: relative; display: inline-block; }
        .hero-desc { font-size: 17px; line-height: 1.8; color: rgba(245,230,210,.85); max-width: 540px; margin-bottom: 36px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }

        /* 推荐卡片 */
        .hero-pick-card { background: rgba(255,253,249,.06); border: 1px solid rgba(230,185,128,.3); border-radius: var(--radius-lg); backdrop-filter: blur(8px); padding: 28px; box-shadow: var(--shadow-lg); position: relative; max-width: 400px; margin-left: auto; }
        .hero-pick-card::before { content: ''; position: absolute; top: -1px; right: 28px; width: 60px; height: 4px; background: var(--accent); border-radius: 0 0 4px 4px; }
        .pick-label { font-size: 12px; font-weight: 600; letter-spacing: 1px; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }
        .pick-name { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 8px; }
        .pick-score { font-family: var(--font-num); font-size: 36px; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 14px; }
        .pick-score span { font-size: 14px; color: rgba(245,230,210,.6); font-weight: 400; }
        .pick-tags { margin-bottom: 14px; }
        .pick-desc { font-size: 14px; color: rgba(245,230,210,.75); line-height: 1.6; margin-bottom: 20px; }

        /* 数据摘要条 */
        .hero-stats { position: relative; z-index: 1; background: rgba(20,12,7,.55); border-top: 1px solid rgba(230,185,128,.12); backdrop-filter: blur(6px); }
        .stats-row { display: flex; justify-content: space-between; flex-wrap: wrap; padding: 24px 0; gap: 12px; }
        .stat-item { text-align: center; flex: 1; min-width: 120px; }
        .stat-item strong { display: block; font-family: var(--font-num); font-size: 30px; font-weight: 700; color: var(--accent); line-height: 1.2; }
        .stat-item span { display: block; font-size: 13px; color: rgba(245,230,210,.65); margin-top: 4px; }

        /* ============ 痛点区 ============ */
        .pains-section { background: var(--bg-light); }
        .pains-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 32px 26px 28px; height: 100%; position: relative; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s; }
        .pains-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .pains-icon { width: 52px; height: 52px; border-radius: var(--radius-md); background: linear-gradient(135deg, rgba(200,149,108,.16), rgba(200,149,108,.08)); display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--primary-dark); margin-bottom: 18px; }
        .pains-card h3 { font-size: 17px; margin-bottom: 10px; line-height: 1.4; }
        .pains-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; margin-bottom: 16px; }
        .pains-link { font-size: 13px; font-weight: 600; color: var(--primary-dark); display: inline-flex; align-items: center; gap: 6px; }
        .pains-link:hover { gap: 10px; color: var(--primary); }
        .pains-link:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

        /* 撕边票根效果 */
        .ticket-card { position: relative; }
        .ticket-card::before, .ticket-card::after { content: ''; position: absolute; width: 16px; height: 16px; border-radius: 50%; background: var(--bg-light); top: 50%; transform: translateY(-50%); z-index: 1; }
        .ticket-card::before { left: -8px; box-shadow: inset 2px 0 3px rgba(30,16,8,.06); }
        .ticket-card::after { right: -8px; box-shadow: inset -2px 0 3px rgba(30,16,8,.06); }

        /* ============ 解决方案区 ============ */
        .solution-section { background: var(--bg-white); }
        .rank-header, .forum-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; padding-bottom: 14px; border-bottom: 2px solid var(--border); }
        .rank-header h3, .forum-header h3 { font-size: 22px; margin: 0; position: relative; padding-left: 16px; }
        .rank-header h3::before, .forum-header h3::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; background: var(--primary); border-radius: 2px; }
        .link-more { font-size: 14px; font-weight: 600; color: var(--primary-dark); display: inline-flex; align-items: center; gap: 4px; }
        .link-more:hover { gap: 8px; color: var(--primary); }
        .link-more:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

        .rank-list { display: flex; flex-direction: column; gap: 22px; }
        .rank-item { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px; display: flex; gap: 20px; position: relative; transition: transform .25s, box-shadow .25s, border-color .25s; box-shadow: var(--shadow-sm); }
        .rank-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .rank-img { width: 150px; min-width: 150px; height: 130px; border-radius: var(--radius-sm); overflow: hidden; background: var(--border); display: flex; align-items: center; justify-content: center; }
        .rank-img img { width: 100%; height: 100%; object-fit: cover; }
        .rank-body { flex: 1; display: flex; flex-direction: column; }
        .rank-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
        .rank-top h4 { font-size: 18px; margin: 0; }
        .rank-score { font-family: var(--font-num); font-size: 24px; font-weight: 700; color: var(--primary-dark); background: rgba(200,149,108,.12); padding: 2px 12px; border-radius: 999px; line-height: 1.4; }
        .rank-tags { margin-bottom: 6px; }
        .rank-body p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; flex: 1; margin-bottom: 8px; }
        .rank-foot { text-align: right; }
        .rank-foot .btn { padding: 6px 18px; font-size: 13px; }

        /* 论坛热帖 */
        .forum-panel { background: var(--bg-light); border-radius: var(--radius-md); padding: 26px 20px; border: 1px solid var(--border); height: 100%; box-shadow: var(--shadow-sm); }
        .forum-list { display: flex; flex-direction: column; }
        .forum-item { padding: 18px 16px; border-radius: var(--radius-sm); border-bottom: 1px dashed var(--border); transition: background .2s, border-color .2s, padding-left .2s; position: relative; }
        .forum-item:last-child { border-bottom: none; }
        .forum-item:hover { background: rgba(200,149,108,.06); border-left: 3px solid var(--primary); padding-left: 20px; }
        .forum-item:focus-within { outline: 2px solid rgba(200,149,108,.3); border-radius: var(--radius-sm); }
        .forum-title { display: block; font-size: 15px; font-weight: 600; color: var(--text-main); line-height: 1.5; margin-bottom: 8px; }
        .forum-title:hover { color: var(--primary-dark); }
        .forum-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-secondary); }

        /* ============ 成果区 ============ */
        .results-section { background: var(--bg-deep-2); color: #f5e6d2; position: relative; }
        .results-section .section-head h2 { color: #fff; }
        .results-section .section-desc { color: rgba(245,230,210,.7); }
        .results-section .section-tag { background: rgba(230,185,128,.16); color: var(--accent); }
        .stats-wall { position: relative; z-index: 1; }
        .stat-card { background: rgba(255,253,249,.05); border: 1px solid rgba(230,185,128,.18); border-radius: var(--radius-lg); padding: 36px 20px; text-align: center; height: 100%; transition: transform .25s, background .25s, box-shadow .25s; }
        .stat-card:hover { transform: translateY(-6px); background: rgba(255,253,249,.09); box-shadow: 0 12px 40px rgba(0,0,0,.3); }
        .stat-num { font-family: var(--font-num); font-size: 44px; font-weight: 800; color: var(--accent); line-height: 1.2; margin-bottom: 8px; }
        .stat-label { font-size: 14px; color: rgba(245,230,210,.75); letter-spacing: 1px; }

        .timeline { margin-top: 60px; padding: 32px 24px; background: rgba(255,253,249,.04); border-radius: var(--radius-lg); border-left: 3px solid var(--accent); position: relative; }
        .timeline-item { display: flex; align-items: center; gap: 18px; padding: 12px 0; position: relative; }
        .timeline-item:not(:last-child)::after { content: ''; position: absolute; left: 8px; top: 40px; bottom: -12px; width: 2px; background: rgba(230,185,128,.3); }
        .timeline-dot { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(230,185,128,.15); flex-shrink: 0; }
        .timeline-content { font-size: 15px; color: rgba(245,230,210,.9); font-weight: 500; }

        /* ============ 客户证言区 ============ */
        .testimonials-section { background: var(--bg-light); }
        .testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
        .testimonial-card { background: var(--bg-white); border-radius: var(--radius-md); border: 1px solid var(--border); padding: 32px 26px; box-shadow: var(--shadow-sm); position: relative; transition: transform .25s, box-shadow .25s; }
        .testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .testimonial-card.center { transform: scale(1.04); border-color: var(--primary); box-shadow: var(--shadow-md); background: linear-gradient(160deg, var(--bg-white) 0%, rgba(247,241,231,.8) 100%); }
        .testimonial-card.center:hover { transform: scale(1.04) translateY(-4px); }
        .quote-icon { font-size: 28px; color: var(--primary); opacity: .3; margin-bottom: 14px; display: block; }
        .testimonial-card p { font-size: 15px; line-height: 1.8; color: var(--text-main); margin-bottom: 22px; }
        .testimonial-author { display: flex; align-items: center; gap: 10px; padding-top: 16px; border-top: 1px dashed var(--border); }
        .author-name { font-weight: 700; font-size: 14px; }
        .author-tag { font-size: 12px; background: rgba(200,149,108,.12); color: var(--primary-dark); padding: 2px 10px; border-radius: 999px; }

        /* ============ CTA 区 ============ */
        .cta-section { background: var(--bg-deep); color: #f5e6d2; position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-deep-2) 60%, #3d2818 100%); z-index: 0; }
        .cta-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .2; z-index: 0; }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section .section-head h2 { color: #fff; }
        .cta-section .section-desc { color: rgba(245,230,210,.75); }
        .cta-section .section-tag { background: rgba(230,185,128,.16); color: var(--accent); }

        .cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 980px; margin: 0 auto 44px; }
        .cta-ticket { background: rgba(255,253,249,.06); border: 1px solid rgba(230,185,128,.28); border-radius: var(--radius-lg); padding: 36px 30px; text-align: center; position: relative; transition: transform .25s, box-shadow .25s, border-color .25s; }
        .cta-ticket:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
        .cta-ticket::before { content: ''; position: absolute; left: -8px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; background: var(--bg-deep); border-radius: 50%; }
        .cta-ticket::after { content: ''; position: absolute; right: -8px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; background: var(--bg-deep); border-radius: 50%; }
        .cta-ticket .ticket-num { font-family: var(--font-num); font-size: 13px; color: var(--accent); letter-spacing: 2px; margin-bottom: 10px; display: block; }
        .cta-ticket h3 { color: #fff; font-size: 24px; margin-bottom: 12px; }
        .cta-ticket p { font-size: 14px; color: rgba(245,230,210,.7); max-width: 300px; margin: 0 auto 24px; }
        .cta-ticket .btn { width: auto; min-width: 160px; }

        /* 表单 */
        .cta-form-wrap { max-width: 800px; margin: 0 auto; background: rgba(255,253,249,.06); border: 1px solid rgba(230,185,128,.2); border-radius: var(--radius-lg); padding: 36px 40px; }
        .cta-form-wrap h3 { color: #fff; font-size: 20px; margin-bottom: 8px; text-align: center; }
        .cta-form-wrap .form-desc { text-align: center; color: rgba(245,230,210,.7); font-size: 14px; margin-bottom: 26px; }
        .cta-form label { display: block; font-size: 13px; font-weight: 500; color: rgba(245,230,210,.85); margin-bottom: 6px; }
        .cta-form input[type="text"], .cta-form input[type="tel"], .cta-form textarea { width: 100%; background: rgba(255,253,249,.1); border: 1px solid rgba(230,185,128,.25); border-radius: var(--radius-sm); color: #fff; padding: 12px 16px; font-size: 15px; transition: border-color .2s, box-shadow .2s, background .2s; }
        .cta-form input::placeholder, .cta-form textarea::placeholder { color: rgba(245,230,210,.4); }
        .cta-form input:focus, .cta-form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(230,185,128,.15); background: rgba(255,253,249,.14); }
        .cta-form input:focus-visible, .cta-form textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .cta-form textarea { resize: vertical; min-height: 96px; }
        .cta-form .btn { margin-top: 8px; }
        .form-error { color: #d4956a; font-size: 12px; margin-top: 4px; display: none; }

        /* ============ FAQ ============ */
        .faq-section { background: var(--bg-white); }
        .faq-wrap { max-width: 860px; margin: 0 auto; }
        .accordion { background: transparent; }
        .accordion-item { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius-md) !important; margin-bottom: 14px; overflow: hidden; transition: border-color .2s, box-shadow .2s; }
        .accordion-item:hover { border-color: var(--primary); }
        .accordion-item.is-active { border-color: var(--primary); box-shadow: var(--shadow-sm); }
        .accordion-title { background: var(--bg-light) !important; border-bottom: 1px solid transparent !important; font-size: 16px !important; font-weight: 600 !important; color: var(--text-main) !important; padding: 20px 24px !important; display: flex; align-items: center; gap: 10px; }
        .accordion-title:hover { background: rgba(200,149,108,.08) !important; }
        .accordion-title:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }
        .accordion-title::before { content: '\f059'; font-family: 'Font Awesome 6 Free'; font-weight: 400; color: var(--primary); font-size: 16px; }
        .accordion-content { background: var(--bg-white) !important; color: var(--text-secondary) !important; font-size: 15px !important; line-height: 1.75 !important; padding: 20px 24px !important; border-top: 1px dashed var(--border); }
        .accordion-content p { margin: 0; }

        /* ============ 底部固定转化栏 ============ */
        .sticky-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; background: rgba(36,23,17,.95); backdrop-filter: blur(12px); border-top: 1px solid rgba(230,185,128,.2); display: flex; align-items: center; justify-content: space-between; padding: 10px 24px; box-shadow: 0 -4px 30px rgba(0,0,0,.3); transform: translateY(100%); transition: transform .4s ease; }
        .sticky-cta.visible { transform: translateY(0); }
        .sticky-cta .sticky-text { font-size: 14px; color: var(--accent); font-weight: 600; }
        .sticky-cta .btn { padding: 8px 22px; font-size: 13px; }

        /* ============ Footer ============ */
        .site-footer { background: var(--bg-deep-3); color: rgba(245,230,210,.65); padding: 60px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
        .footer-brand .brand { font-size: 24px; margin-bottom: 14px; display: block; }
        .footer-brand p { font-size: 14px; line-height: 1.8; max-width: 360px; margin-top: 14px; }
        .footer-links h4 { color: var(--accent); font-size: 15px; margin-bottom: 18px; letter-spacing: 1px; }
        .footer-links ul li { margin-bottom: 10px; }
        .footer-links ul li a { color: rgba(245,230,210,.6); font-size: 14px; }
        .footer-links ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-links ul li a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
        .footer-bottom { border-top: 1px solid rgba(230,185,128,.1); padding: 22px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; }
        .footer-bottom a { color: rgba(245,230,210,.5); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            :root { --section-pad: 72px 0; }
            .section-head h2 { font-size: 28px; }
            .hero h1 { font-size: 34px; }
            .hero-content { padding: 68px 0 56px; }
            .hero-pick-card { max-width: 100%; margin: 32px auto 0; }
            .rank-item { flex-direction: column; }
            .rank-img { width: 100%; height: 160px; }
            .testimonials-grid { grid-template-columns: 1fr 1fr; }
            .testimonial-card.center { transform: none; }
            .testimonial-card.center:hover { transform: translateY(-4px); }
            .cta-grid { grid-template-columns: 1fr; max-width: 520px; margin-bottom: 32px; }
        }

        @media (max-width: 768px) {
            :root { --section-pad: 56px 0; }
            .container { padding: 0 20px; }
            .site-header { position: relative; }
            .header-nav { position: fixed; top: 68px; left: 0; right: 0; background: var(--bg-deep-2); flex-direction: column; padding: 20px 24px; gap: 8px; box-shadow: var(--shadow-lg); transform: translateY(-140%); transition: transform .3s ease; z-index: 99; border-bottom: 1px solid rgba(230,185,128,.2); }
            .header-nav.open { transform: translateY(0); }
            .header-nav .nav-link { width: 100%; text-align: left; padding: 12px 16px; }
            .header-cta { display: none; }
            .nav-toggle { display: flex; }
            .site-header { position: sticky; }
            .hero { padding-top: 40px; }
            .hero-badge { font-size: 12px; padding: 5px 14px; }
            .hero h1 { font-size: 28px; line-height: 1.35; }
            .hero-desc { font-size: 15px; }
            .hero-content { padding: 52px 0 44px; }
            .stats-row { gap: 8px; }
            .stat-item strong { font-size: 22px; }
            .stat-item span { font-size: 11px; }
            .stat-num { font-size: 34px; }
            .timeline { padding: 24px 18px; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .faq-wrap { padding: 0; }
            .cta-form-wrap { padding: 28px 20px; }
            .sticky-cta .sticky-text { display: none; }
            .cp-text { display: none; }
            .rank-score { font-size: 20px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .section-head { margin-bottom: 36px; }
            .section-tag { font-size: 12px; padding: 5px 14px; }
            .section-head h2 { font-size: 24px; }
            .section-desc { font-size: 14px; }
            .hero h1 { font-size: 24px; }
            .hero-desc { font-size: 14px; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .hero-actions .btn { width: 100%; }
            .btn-ticket { padding: 14px 28px; font-size: 14px; }
            .pains-card { padding: 24px 20px 22px; }
            .rank-body p { font-size: 12px; }
            .rank-tags .chip { font-size: 11px; padding: 3px 10px; }
            .stats-wall .grid-x { row-gap: 16px; }
            .stat-card { padding: 24px 12px; }
            .timeline-content { font-size: 13px; }
            .cta-ticket { padding: 28px 18px; }
            .cta-ticket h3 { font-size: 20px; }
            .cta-ticket .btn { min-width: 140px; width: 100%; }
            .accordion-title { padding: 16px 18px !important; font-size: 14px !important; }
            .accordion-content { padding: 16px 18px !important; font-size: 14px !important; }
        }

        @media (max-width: 640px) {
            .hero-stats .stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 16px 0; }
            .stat-item { border-right: none; }
        }