/* roulang page: index */
:root {
            --primary: #6B4A32;
            --accent: #C8874A;
            --bg-soft: #F7F2EA;
            --surface: #FFFFFF;
            --ink: #2B2621;
            --ink-soft: #6B6157;
            --line: #E4D8C8;
            --status-green: #5C7A63;
            --footer-bg: #2B2621;
            --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
            --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-soft);
            color: var(--ink);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            font-weight: 600;
            line-height: 1.35;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            background-color: var(--line);
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* Dock 导航 */
        .dock-nav {
            background: rgba(247, 242, 234, .82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--line);
            border-radius: 999px;
            box-shadow: 0 4px 20px rgba(43, 38, 33, .08);
        }
        .dock-nav a {
            transition: color .2s;
        }
        .dock-nav a:hover {
            color: var(--accent);
        }
        /* 按钮 */
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            padding: 10px 26px;
            font-weight: 500;
            display: inline-block;
            transition: all .2s;
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            opacity: .9;
        }
        .btn-primary:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 10px 26px;
            font-weight: 500;
            display: inline-block;
            transition: all .2s;
            border: none;
            cursor: pointer;
            text-align: center;
        }
        .btn-accent:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(1px);
            opacity: .9;
        }
        .btn-accent:focus {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
        }
        /* 标签 */
        .tag-pill {
            display: inline-block;
            padding: 4px 16px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 999px;
            font-size: 13px;
            color: var(--ink-soft);
            transition: all .2s;
        }
        .tag-pill:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(200, 135, 74, .06);
        }
        /* 卡片 */
        .card-default {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            box-shadow: 0 1px 3px rgba(43, 38, 33, .06), 0 4px 12px rgba(43, 38, 33, .05);
            transition: all .2s;
        }
        .card-default:hover {
            box-shadow: 0 8px 24px rgba(43, 38, 33, .10);
            transform: translateY(-2px);
        }
        /* 编号卡 */
        .step-card {
            position: relative;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 32px 28px;
            transition: all .25s;
            box-shadow: 0 1px 3px rgba(43, 38, 33, .06);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(43, 38, 33, .10);
        }
        .step-card:hover .step-num {
            color: var(--primary);
        }
        .step-num {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            transition: color .3s;
        }
        .step-card .step-link {
            position: relative;
            display: inline-block;
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
        }
        .step-card .step-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width .3s;
        }
        .step-card:hover .step-link::after {
            width: 100%;
        }
        /* 搜索条 */
        .search-bar {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 6px 6px 6px 24px;
            display: flex;
            align-items: center;
            box-shadow: 0 4px 20px rgba(43, 38, 33, .06);
            max-width: 600px;
            margin: 0 auto;
        }
        .search-bar input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 15px;
            color: var(--ink);
        }
        .search-bar input::placeholder {
            color: var(--ink-soft);
        }
        /* FAQ */
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 20px 24px;
            transition: border-color .2s;
        }
        .faq-item:hover {
            border-color: rgba(107, 74, 50, .4);
        }
        .faq-item summary {
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--ink);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--accent);
            transition: transform .2s;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item p {
            margin-top: 12px;
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.8;
        }
        /* 固定底部转化条 */
        .fixed-cta {
            position: fixed;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 50;
            background: var(--primary);
            border-radius: 999px;
            box-shadow: 0 8px 30px rgba(43, 38, 33, .2);
            max-width: 1024px;
            width: calc(100% - 32px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px 10px 28px;
            color: #fff;
        }
        .fixed-cta .cta-btn {
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 10px 28px;
            font-weight: 600;
            transition: all .2s;
        }
        .fixed-cta .cta-btn:hover {
            background: #B3753E;
            transform: translateY(-1px);
        }
        .fixed-cta .cta-btn:active {
            transform: translateY(0);
        }
        body {
            padding-bottom: 100px;
        }
        /* 头像 */
        .avatar-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            flex-shrink: 0;
        }
        /* 图片兜底 */
        .img-fallback {
            background: var(--line);
            position: relative;
        }
        .img-fallback::before {
            content: '';
            display: block;
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, var(--line), var(--bg-soft));
        }
        /* 装饰圆 */
        .deco-circle {
            position: absolute;
            border-radius: 50%;
            background: rgba(107, 74, 50, .08);
            filter: blur(40px);
            pointer-events: none;
        }
        /* 底部预留 */
        @media (max-width: 640px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .fixed-cta {
                width: 100%;
                border-radius: 20px 20px 0 0;
                bottom: 0;
                left: 0;
                transform: none;
                padding: 8px 16px 8px 20px;
            }
            body {
                padding-bottom: 80px;
            }
        }
        /* 移动端菜单 */
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }

/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #A4633A;
  --color-primary-dark: #8A5230;
  --color-primary-deep: #6E3F24;
  --color-secondary: #D9A05B;
  --color-secondary-light: #F0D9B8;
  --color-dark: #232D2B;
  --color-dark-soft: #2E3B38;
  --color-bg: #F7F3EC;
  --color-card: #FFFFFF;
  --color-card-alt: #FCF9F4;
  --color-text: #2A2A28;
  --color-text-secondary: #6B6B66;
  --color-border: #E8E0D4;
  --color-success: #3F7A5B;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 20px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
  --transition-base: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--color-primary-deep);
  text-decoration: none;
  transition: var(--transition-base);
}
a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input, textarea {
  font-family: inherit;
}

/* ===== 容器 ===== */
.container-page {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 768px) {
  .container-page {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* ===== 卡片通用 ===== */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(164, 99, 58, 0.4);
  transform: translateY(-2px);
}
@media (min-width: 768px) {
  .card {
    padding: 2rem;
  }
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(164, 99, 58, 0.25);
  transition: var(--transition-base);
  text-decoration: none !important;
  line-height: 1.5;
  border: 1.5px solid transparent;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(164, 99, 58, 0.35);
}
.btn-primary:active {
  background: var(--color-primary-deep);
  transform: translateY(0);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(164, 99, 58, 0.2);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-primary) !important;
  border: 1.5px solid var(--color-primary);
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-base);
  text-decoration: none !important;
  line-height: 1.5;
}
.btn-secondary:hover {
  background: rgba(164, 99, 58, 0.06);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: translateY(0);
  background: rgba(164, 99, 58, 0.1);
}
.btn-secondary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: #fff;
  color: var(--color-primary-deep) !important;
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transition: var(--transition-base);
  text-decoration: none !important;
  line-height: 1.5;
}
.btn-white:hover {
  background: var(--color-bg);
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(0,0,0,0.15);
}
.btn-white:active {
  transform: translateY(0);
}

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  line-height: 1.6;
  color: var(--color-text);
  background: #f1ece3;
}
.badge-hot {
  background: rgba(164, 99, 58, 0.12);
  color: var(--color-primary-dark);
}
.badge-new {
  background: rgba(63, 122, 91, 0.12);
  color: var(--color-success);
}
.badge-dark {
  background: var(--color-dark);
  color: #f7f3ec;
}
.badge-amber {
  background: rgba(217, 160, 91, 0.18);
  color: #8a5a1e;
}

/* ===== 区块标题 ===== */
.section-title-wrap {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
@media (min-width: 768px) {
  .section-title-wrap {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  text-transform: uppercase;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}
.section-title {
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: 0.25rem;
}
@media (min-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
}
.section-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
  max-width: 640px;
  line-height: 1.7;
}
.link-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
}
.link-more:hover {
  color: var(--color-primary-deep);
  text-decoration: underline;
}
.link-more svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}
.link-more:hover svg {
  transform: translateX(3px);
}

/* ===== 浮动 Dock 导航 ===== */
.dock-nav {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: calc(100% - 2rem);
  max-width: 1180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: var(--transition-base);
}
.dock-nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.12);
  border-color: rgba(232, 224, 212, 0.9);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-text);
  text-decoration: none !important;
  white-space: nowrap;
}
.dock-logo:hover {
  color: var(--color-primary);
}
.dock-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}
.dock-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.dock-links a {
  display: block;
  padding: 0.4rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 9999px;
  text-decoration: none;
  transition: var(--transition-base);
}
.dock-links a:hover {
  color: var(--color-primary);
  background: rgba(164, 99, 58, 0.06);
}
.dock-links a.active {
  color: var(--color-primary);
  background: rgba(164, 99, 58, 0.1);
  font-weight: 600;
}
.dock-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.dock-search {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.04);
  color: var(--color-text);
  transition: var(--transition-base);
}
.dock-search:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--color-primary);
}
.dock-search svg {
  width: 18px;
  height: 18px;
}
.dock-cta {
  display: none;
}
.dock-burger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.04);
  color: var(--color-text);
  transition: var(--transition-base);
}
.dock-burger svg {
  width: 20px;
  height: 20px;
}
.dock-burger:hover {
  background: rgba(0, 0, 0, 0.08);
}
@media (min-width: 1024px) {
  .dock-links {
    display: flex;
  }
  .dock-cta {
    display: inline-flex;
  }
  .dock-burger {
    display: none;
  }
}

/* ===== 移动端下拉菜单 ===== */
.mobile-menu {
  position: fixed;
  top: 5rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2rem);
  max-width: 480px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  padding: 1rem;
  z-index: 49;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: all 0.25s ease;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mobile-menu a {
  display: block;
  padding: 0.7rem 1rem;
  border-radius: 12px;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
}
.mobile-menu a:hover {
  background: rgba(164, 99, 58, 0.06);
  color: var(--color-primary);
}
.mobile-menu a.active {
  color: var(--color-primary);
  background: rgba(164, 99, 58, 0.1);
  font-weight: 600;
}
.mobile-menu .menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: 0.5rem 0;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-image: linear-gradient(to right, rgba(35,45,43,0.88), rgba(35,45,43,0.55)), url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  padding-top: 6rem;
  padding-bottom: 5rem;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 1rem;
  max-width: 680px;
}
@media (min-width: 768px) {
  .hero h1 {
    font-size: 2.8rem;
    line-height: 1.25;
  }
}
.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}
@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.2rem;
  }
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.hero-trust .badge {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
}
.hero-card-wrap {
  position: relative;
  z-index: 2;
}
.hero-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 480px;
  margin-left: auto;
  background: #fff;
  transform: rotate(1deg);
}
.hero-card-inner {
  position: relative;
}
.hero-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.hero-card-tags {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.4rem;
  z-index: 2;
}
.hero-card-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  background: rgba(255, 255, 255, 0.95);
  border-top: 1px solid rgba(0,0,0,0.04);
}
.hero-card-info .title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}
.hero-card-info .meta {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-card-info .meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
@media (max-width: 1023px) {
  .hero-card-wrap {
    margin-top: 3rem;
  }
  .hero-card {
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== 统计条 ===== */
.stats-strip {
  background: #fff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 2.5rem 0;
}
.stat-item {
  text-align: center;
  padding: 0.75rem 0.5rem;
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}
@media (min-width: 768px) {
  .stat-number {
    font-size: 2.5rem;
  }
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

/* ===== 卖点卡片 ===== */
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(164, 99, 58, 0.1);
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-size: 1.4rem;
}
.feature-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}
.feature-card-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.feature-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.feature-card-link:hover {
  text-decoration: underline;
}

/* ===== 场景演示 ===== */
.scenario-demo {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: var(--transition-base);
}
.scenario-demo:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(164, 99, 58, 0.3);
}
.scenario-demo-body {
  padding: 1.75rem;
}
.ui-window {
  background: #f8f7f4;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.ui-window-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.scenario-demo .demo-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.scenario-demo .demo-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* 界面示意 */
.demo-list-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.6rem;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(232, 224, 212, 0.5);
  margin-bottom: 0.5rem;
}
.demo-list-item:last-child {
  margin-bottom: 0;
}
.demo-list-item .icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.demo-list-item .title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}
.demo-list-item .meta {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}
.demo-comment {
  display: flex;
  gap: 0.75rem;
  padding: 0.6rem 0.4rem;
}
.demo-comment .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}
.demo-comment .body {
  flex: 1;
}
.demo-comment .nick {
  font-size: 0.8rem;
  font-weight: 600;
}
.demo-comment .text {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ===== 转化横幅 ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80%;
  left: -10%;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}
@media (min-width: 768px) {
  .cta-banner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    padding: 2.5rem 3rem;
  }
}
.cta-banner-content {
  position: relative;
  z-index: 2;
}
.cta-banner h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.cta-banner p {
  font-size: 0.95rem;
  opacity: 0.9;
  max-width: 420px;
}
.cta-banner .btn-white {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

/* ===== 评价卡片 ===== */
.review-card {
  height: 100%;
}
.review-stars {
  display: flex;
  gap: 0.15rem;
  color: #f5a623;
  margin-bottom: 0.85rem;
}
.review-text {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 1.2rem;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-nick {
  font-size: 0.9rem;
  font-weight: 600;
}
.review-tag {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ===== 资讯列表 ===== */
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-base);
}
.news-item:last-child {
  border-bottom: none;
}
.news-item:hover {
  background: rgba(164, 99, 58, 0.03);
  padding-left: 1rem;
  padding-right: 1rem;
  border-radius: 12px;
}
.news-item .thumb {
  width: 80px;
  height: 64px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}
.news-item .content {
  flex: 1;
}
.news-item .title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 0.25rem;
}
.news-item .title a {
  color: inherit;
  text-decoration: none;
}
.news-item .title a:hover {
  color: var(--color-primary);
}
.news-item .meta {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  display: flex;
  gap: 0.75rem;
  align-items: center;
}
.news-item .meta .badge {
  font-size: 0.7rem;
  padding: 0.1rem 0.55rem;
}

/* ===== FAQ ===== */
.faq details {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.2rem 1.4rem;
  margin-bottom: 0.8rem;
  transition: var(--transition-base);
}
.faq details:hover {
  border-color: rgba(164, 99, 58, 0.3);
  box-shadow: var(--shadow-sm);
}
.faq details[open] {
  border-color: rgba(164, 99, 58, 0.4);
  box-shadow: var(--shadow-sm);
}
.faq summary {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: var(--transition-base);
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary:hover {
  color: var(--color-primary);
}
.faq summary .icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(164, 99, 58, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq details[open] summary .icon {
  transform: rotate(45deg);
}
.faq .answer {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ===== 底部固定转化条 ===== */
.sticky-cta {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 45;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  background: linear-gradient(135deg, var(--color-dark), var(--color-dark-soft));
  color: #fff;
  border-radius: 9999px;
  padding: 0.65rem 0.75rem 0.65rem 1.5rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  width: calc(100% - 2rem);
  max-width: 620px;
  font-size: 0.9rem;
  line-height: 1.4;
}
.sticky-cta .text {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-cta .btn-primary {
  flex-shrink: 0;
  padding: 0.55rem 1.2rem;
  font-size: 0.85rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}
body {
  padding-bottom: 80px;
}
@media (max-width: 639px) {
  .sticky-cta {
    border-radius: 20px;
  }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 3.5rem;
  padding-bottom: 2rem;
  margin-top: 4rem;
}
.site-footer a {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: var(--transition-base);
}
.site-footer a:hover {
  color: var(--color-secondary);
}
.footer-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.footer-desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 260px;
}
.footer-col-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-col ul li a {
  font-size: 0.88rem;
}
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

/* ===== 主题分类卡 ===== */
.topic-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: #fff;
  transition: var(--transition-base);
  border: 1px solid var(--color-border);
}
.topic-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(35,45,43,0.85) 0%, rgba(35,45,43,0.3) 55%, rgba(35,45,43,0.1) 100%);
  border-radius: inherit;
  z-index: 1;
}
.topic-card > * {
  position: relative;
  z-index: 2;
}
.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.topic-card .topic-tag {
  align-self: flex-start;
  margin-bottom: 0.5rem;
}
.topic-card .topic-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
}
.topic-card .topic-desc {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: 0.25rem;
}

/* ===== 焦点面板 ===== */
.focus-panel {
  background: var(--color-card-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  height: 100%;
  transition: var(--transition-base);
}
.focus-panel:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(164, 99, 58, 0.3);
}
.focus-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 0.75rem;
  font-style: italic;
}
.focus-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.focus-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.focus-panel .btn-link {
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* ===== 辅助工具 ===== */
.bg-white { background-color: #fff !important; }
.bg-warm { background-color: var(--color-bg) !important; }
.bg-warm-2 { background-color: var(--color-card-alt) !important; }
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }
.grid-gap-6 { gap: 1.5rem; }
.py-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
@media (min-width: 768px) {
  .py-section {
    padding-top: 5.5rem;
    padding-bottom: 5.5rem;
  }
}
::selection {
  background: rgba(164, 99, 58, 0.2);
}