/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0E6E5C;
            --primary-dark: #0B4F44;
            --primary-light: #DDF3ED;
            --accent: #E8752F;
            --accent-dark: #C25B1E;
            --mist: #F6F7F5;
            --ink: #1C2B26;
            --muted: #5B6E68;
            --line: #E2E8E5;
            --surface: #FFFFFF;
            --error: #D64545;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 2px rgb(16 24 20 / 0.04), 0 6px 20px rgb(16 24 20 / 0.06);
            --shadow-hover: 0 8px 28px rgb(16 24 20 / 0.12);
            --shadow-dock: 0 12px 40px rgb(16 24 20 / 0.10);
        }

        /* ===== Base Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--mist);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 15px;
        }
        ul {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        .container-narrow {
            max-width: 860px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== 导航链接 ===== */
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            transition: all .2s ease;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active::after {
            content: "";
            display: block;
            width: 16px;
            height: 4px;
            border-radius: 999px;
            background: var(--primary);
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
        }

        /* ===== 按钮 ===== */
        .btn-primary,
        .btn-secondary,
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all .15s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgb(14 110 92 / 0.25);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 18px rgb(232 117 47 / 0.28);
        }
        .btn-accent:active {
            transform: scale(.98);
        }
        .btn-secondary {
            background: #fff;
            border: 1px solid var(--line);
            color: var(--ink);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-secondary:active {
            transform: scale(.98);
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge-accent {
            background: #FDE8D8;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
        }
        .badge-gray {
            background: #F1F5F4;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
        }

        /* ===== Hero 背景 ===== */
        .hero-grid {
            background-image: radial-gradient(circle, rgb(14 110 92 / 0.07) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        /* ===== 指标卡 ===== */
        .stat-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .stat-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 24px;
            bottom: 24px;
            width: 4px;
            border-radius: 0 4px 4px 0;
            background: var(--primary);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-num {
            font-size: 34px;
            font-weight: 900;
            color: var(--ink);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }
        .stat-label {
            margin-top: 6px;
            font-size: 14px;
            color: var(--muted);
        }

        /* ===== 服务矩阵卡片 ===== */
        .large-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .large-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #CFE4DD;
        }
        .large-card-media {
            width: 100%;
            height: 220px;
            overflow: hidden;
        }
        .large-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .large-card:hover .large-card-media img {
            transform: scale(1.03);
        }
        .large-card-content {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .large-card-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
        }
        .large-card-content p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
        }

        .small-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .small-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .small-card .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: background .2s ease, transform .2s ease;
        }
        .small-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .small-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-top: 4px;
        }
        .small-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }
        .small-card .card-arrow {
            position: absolute;
            right: 20px;
            bottom: 20px;
            color: var(--line);
            transition: color .2s ease, transform .2s ease;
        }
        .small-card:hover .card-arrow {
            color: var(--primary);
            transform: translateX(4px);
        }
        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            transition: gap .2s ease;
        }
        .link-arrow:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ===== 对比模块 ===== */
        .compare-wrap {
            position: relative;
        }
        .vs-badge {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--line);
            color: var(--accent);
            font-size: 15px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-card);
            z-index: 10;
        }
        .compare-card {
            border-radius: var(--radius-card);
            padding: 32px;
            min-height: 280px;
        }
        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .compare-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--ink);
            font-weight: 500;
        }
        .compare-item .icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 700;
            margin-top: 2px;
        }
        .compare-item.ok .icon {
            background: var(--primary-light);
            color: var(--primary);
        }
        .compare-item.bad .icon {
            background: #F1F5F4;
            color: #94A3B8;
        }
        .compare-old {
            background: #F1F5F4;
            border: 1px dashed #CBD5D1;
        }
        .compare-new {
            background: var(--primary-light);
            border: 1px solid var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow .2s ease, border-color .2s ease;
        }
        .faq-item:hover {
            border-color: #CFE4DD;
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            border-radius: var(--radius-card);
            transition: color .2s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease, color .3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            overflow: hidden;
            max-height: 0;
            transition: max-height .35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
        }

        /* ===== 表单 ===== */
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .form-input {
            width: 100%;
            height: 46px;
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 0 14px;
            font-size: 15px;
            background: #fff;
            color: var(--ink);
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgb(14 110 92 / 0.15);
            outline: none;
        }
        .form-input::placeholder {
            color: #A0AEA9;
        }
        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235B6E68' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
        }

        /* ===== Dock 搜索框 ===== */
        #search-box {
            transition: opacity .2s ease, transform .2s ease;
        }
        #search-box.open {
            opacity: 1;
            transform: scale(1);
            pointer-events: auto;
        }

        /* ===== 移动端 Drawer ===== */
        #mobile-drawer {
            transition: opacity .25s ease, visibility .25s ease;
        }
        #mobile-drawer.visible {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }
        #mobile-drawer .drawer-inner {
            transition: transform .3s ease;
            transform: translateY(-12px);
        }
        #mobile-drawer.visible .drawer-inner {
            transform: translateY(0);
        }
        .drawer-link {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            padding: 10px 0;
            border-bottom: 1px solid var(--line);
            transition: color .2s ease;
        }
        .drawer-link:hover {
            color: var(--primary);
        }
        .drawer-link.active {
            color: var(--primary);
        }

        /* ===== 页脚 ===== */
        .footer-column h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
        }
        .footer-column ul li {
            margin-bottom: 8px;
        }
        .footer-column ul li a {
            font-size: 14px;
            color: var(--muted);
            transition: color .2s ease;
        }
        .footer-column ul li a:hover {
            color: var(--primary);
        }

        /* ===== 锚点偏移 ===== */
        [id] {
            scroll-margin-top: 120px;
        }

        /* ===== 移动端适配 ===== */
        @media (max-width: 767px) {
            .stat-card {
                padding: 22px 18px;
            }
            .large-card-media {
                height: 180px;
            }
            .compare-wrap {
                gap: 16px;
            }
            .vs-badge {
                display: none;
            }
            .compare-card {
                padding: 24px;
                min-height: 0;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
        }
        @media (min-width: 768px) and (max-width: 1023px) {
            .btn-primary,
            .btn-secondary {
                flex: 1;
                text-align: center;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0E6E5C;
  --primary-dark: #0B4F44;
  --primary-light: #DDF3ED;
  --accent: #E8752F;
  --accent-dark: #C25B1E;
  --mist: #F6F7F5;
  --ink: #1C2B26;
  --muted: #5B6E68;
  --line: #E2E8E5;
  --surface: #FFFFFF;
  --error: #D64545;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgb(16 24 20 / 0.04), 0 6px 20px rgb(16 24 20 / 0.06);
  --shadow-hover: 0 8px 28px rgb(16 24 20 / 0.12);
  --shadow-dock: 0 12px 40px rgb(16 24 20 / 0.10);
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--mist);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum";
}
*, *::before, *::after {
  box-sizing: border-box;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
input, select, textarea {
  font-family: inherit;
  font-size: 15px;
}
/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}
@media (min-width: 768px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}
.container-narrow {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}
/* ===== 焦点可见性 ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}
/* ===== 锚点补偿 ===== */
[id] {
  scroll-margin-top: 120px;
}
/* ===== 导航 ===== */
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: all .2s ease;
  position: relative;
}
.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-link.active::after {
  content: "";
  display: block;
  width: 16px;
  height: 4px;
  border-radius: 999px;
  background: var(--primary);
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
}
.mobile-nav-link {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  transition: all .2s ease;
}
.mobile-nav-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.mobile-nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
}
#search-box.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}
/* ===== 按钮 ===== */
.btn-primary,
.btn-secondary,
.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  transition: all .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 18px rgb(14 110 92 / 0.25);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(.98);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-dark);
  box-shadow: 0 6px 18px rgb(232 117 47 / 0.28);
}
.btn-accent:active {
  transform: scale(.98);
}
.btn-secondary {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-secondary:active {
  transform: scale(.98);
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-btn);
  background: #fff;
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 600;
  transition: all .15s ease;
}
.btn-white:hover {
  box-shadow: 0 6px 20px rgb(255 255 255 / 0.2);
  transform: translateY(-1px);
}
.btn-white:active {
  transform: scale(.98);
}
/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary);
  white-space: nowrap;
}
.badge-white {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  background: rgb(255 255 255 / 0.16);
  color: #fff;
  border: 1px solid rgb(255 255 255 / 0.2);
  white-space: nowrap;
}
.badge-accent {
  background: #FDE8D8;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
}
.badge-gray {
  background: #F1F5F4;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
}
/* ===== Hero 网格纹理 ===== */
.hero-grid {
  background-image: radial-gradient(circle, rgb(255 255 255 / 0.18) 1px, transparent 1px);
  background-size: 26px 26px;
}
/* ===== 分类 Hero ===== */
.category-hero {
  background-color: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
.category-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}
.category-hero .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgb(11 79 68 / 0.95) 0%, rgb(11 79 68 / 0.78) 45%, rgb(11 79 68 / 0.45) 100%);
}
/* ===== 筛选条 ===== */
.filter-bar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 72px;
  z-index: 30;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all .2s ease;
  cursor: pointer;
}
.filter-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}
.sort-select {
  height: 40px;
  padding: 0 36px 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235B6E68' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 12px center;
  font-size: 14px;
  color: var(--ink);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: border-color .2s ease;
}
.sort-select:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgb(14 110 92 / 0.12);
}
/* ===== 内容卡片 ===== */
.content-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgb(14 110 92 / 0.25);
}
.content-card .cover-img {
  transition: transform .4s ease;
}
.content-card:hover .cover-img {
  transform: scale(1.05);
}
/* ===== 子类通道 ===== */
.sub-channel {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
  transition: all .22s ease;
  position: relative;
  overflow: hidden;
}
.sub-channel:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgb(14 110 92 / 0.3);
}
.sub-channel .arrow-icon {
  margin-left: auto;
  color: var(--muted);
  transition: all .2s ease;
  flex-shrink: 0;
}
.sub-channel:hover .arrow-icon {
  color: var(--primary);
  transform: translateX(4px);
}
.sub-channel .channel-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
/* ===== FAQ ===== */
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item:hover {
  box-shadow: var(--shadow-card);
}
.faq-item + .faq-item {
  margin-top: 14px;
}
.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  transition: color .2s ease;
}
.faq-trigger:hover {
  color: var(--primary);
}
.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: var(--muted);
  flex-shrink: 0;
  transition: all .3s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-content-inner {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
/* ===== CTA ===== */
.cta-section {
  background-color: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
.cta-section .cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
/* ===== 页脚 ===== */
.footer-column h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}
.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-column ul a {
  font-size: 14px;
  color: var(--muted);
  transition: color .2s ease;
}
.footer-column ul a:hover {
  color: var(--primary);
}
/* ===== 移动端断点 ===== */
@media (max-width: 640px) {
  .filter-bar {
    top: 72px;
  }
  .filter-chips {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .filter-chips::-webkit-scrollbar {
    display: none;
  }
}