/* ========================================
   趣闲赚 - 主样式表
   tydream.com.cn
   ======================================== */

/* ---------- 变量 ---------- */
:root {
    --primary: #6C5CE7;
    --primary-dark: #5A4BD1;
    --primary-light: #A29BFE;
    --secondary: #00CEC9;
    --accent: #FD79A8;
    --gradient-start: #6C5CE7;
    --gradient-end: #00CEC9;
    --text-dark: #1A1A2E;
    --text-body: #4A4A68;
    --text-muted: #8A8AA0;
    --bg-white: #FFFFFF;
    --bg-light: #F7F8FC;
    --bg-section: #F0F2FF;
    --border-light: #E8E9F0;
    --shadow-sm: 0 2px 8px rgba(108, 92, 231, 0.08);
    --shadow-md: 0 8px 24px rgba(108, 92, 231, 0.12);
    --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.16);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 布局基础 ---------- */
.container {
    width: 100%;
    padding-right: 12px;
    padding-left: 12px;
    margin-right: auto;
    margin-left: auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -12px;
    margin-left: -12px;
}

.row > * {
    width: 100%;
    padding-right: 12px;
    padding-left: 12px;
}

.align-items-center { align-items: center !important; }
.justify-content-center { justify-content: center !important; }
.text-center { text-align: center !important; }
.text-md-end { text-align: left; }
.ms-auto { margin-left: auto !important; }
.me-3 { margin-right: 1rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.min-vh-100 { min-height: 100vh !important; }
.g-4 > * { margin-bottom: 1.5rem; }
.d-none { display: none !important; }

.navbar.fixed-top { position: fixed; top: 0; right: 0; left: 0; }
.navbar > .container { display: flex; flex-wrap: inherit; align-items: center; justify-content: space-between; }
.navbar-collapse { flex-basis: 100%; flex-grow: 1; align-items: center; }
.navbar-nav { display: flex; flex-direction: column; padding-left: 0; margin: 0; list-style: none; }
.nav-item { display: block; }
.navbar-toggler { display: block; background: transparent; cursor: pointer; }
.navbar-toggler-icon {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    background: linear-gradient(var(--text-dark), var(--text-dark)) 0 25% / 100% 2px no-repeat,
                linear-gradient(var(--text-dark), var(--text-dark)) 0 50% / 100% 2px no-repeat,
                linear-gradient(var(--text-dark), var(--text-dark)) 0 75% / 100% 2px no-repeat;
}

.collapse:not(.show) { display: none; }
.accordion-collapse:not(.show) { display: none; }
.accordion-collapse.show { display: block; }
.accordion-button { width: 100%; border: 0; text-align: left; cursor: pointer; }
.accordion-button::after {
    content: '';
    display: block;
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-left: auto;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 1.25rem;
    transition: transform 0.2s ease-in-out;
}
.accordion-button:not(.collapsed)::after { transform: rotate(180deg); }

@media (min-width: 576px) {
    .container { max-width: 540px; }
    .col-6 { width: 50%; }
}

@media (min-width: 768px) {
    .container { max-width: 720px; }
    .col-md-4 { width: 33.333333%; }
    .col-md-6 { width: 50%; }
    .col-md-3 { width: 25%; }
    .text-md-end { text-align: right; }
}

@media (min-width: 992px) {
    .container { max-width: 960px; }
    .col-lg-4 { width: 33.333333%; }
    .col-lg-5 { width: 41.666667%; }
    .col-lg-6 { width: 50%; }
    .col-lg-7 { width: 58.333333%; }
    .col-lg-8 { width: 66.666667%; }
    .navbar-toggler { display: none; }
    .navbar-collapse { display: flex !important; flex-basis: auto; }
    .navbar-nav { flex-direction: row; }
    .d-lg-block { display: block !important; }
}

@media (min-width: 1200px) {
    .container { max-width: 1140px; }
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    color: var(--text-body);
    background-color: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.icon-symbol {
    display: inline-block;
    font-family: "Segoe UI Symbol", "Noto Sans Symbols 2", sans-serif;
    font-style: normal;
    font-weight: 700;
    line-height: 1;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ---------- 通用排版 ---------- */
.section-header {
    margin-bottom: 1rem;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(0, 206, 201, 0.1));
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto;
}

/* ---------- 文字渐变 ---------- */
.text-gradient {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- 导航栏 ---------- */
.navbar {
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    z-index: 1030;
}

.navbar.scrolled {
    padding: 8px 0;
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-dark);
}

.navbar-brand img {
    width: 36px;
    height: 36px;
}

.brand-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar .nav-link {
    color: var(--text-body);
    font-weight: 500;
    padding: 8px 16px !important;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform 0.25s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--primary);
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    transform: scaleX(1);
}

.btn-download-nav {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    padding: 8px 24px;
    border-radius: 24px;
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    transition: var(--transition);
}

.btn-download-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
    color: #fff;
}

.navbar-toggler {
    border: none;
    padding: 4px 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ---------- Hero 首屏 ---------- */
.hero-section {
    position: relative;
    background: linear-gradient(170deg, #F0F2FF 0%, #FFFFFF 40%, #F7F8FC 100%);
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.08), transparent 70%);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.06), transparent 70%);
    bottom: 50px;
    left: -80px;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(253, 121, 168, 0.06), transparent 70%);
    top: 40%;
    left: 40%;
}

.hero-content {
    padding-top: 100px;
    padding-bottom: 40px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: rgba(108, 92, 231, 0.08);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 24px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 900;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-body);
    margin-bottom: 32px;
    max-width: 480px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    transition: var(--transition);
}

.btn-hero .icon-symbol {
    font-size: 1.5rem;
}

.btn-hero small {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.85;
}

.btn-android {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}

.btn-android:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 92, 231, 0.4);
    color: #fff;
}

.btn-ios {
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--border-light);
}

.btn-ios:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.12);
    color: var(--text-dark);
}

.hero-rating {
    display: flex;
    align-items: center;
    gap: 12px;
}

.rating-score {
    display: flex;
    align-items: center;
    gap: 8px;
}

.score {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.stars {
    color: #FDCB6E;
    font-size: 0.85rem;
    display: flex;
    gap: 2px;
}

.rating-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.rating-text strong {
    color: var(--text-dark);
}

/* 手机模型 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 40px;
}

.phone-mockup {
    position: relative;
    width: 280px;
    margin: 0 auto;
}

.phone-screen {
    position: relative;
    border-radius: 36px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.phone-img {
    display: block;
    width: 100%;
    border-radius: 36px;
}

.notification-toast {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 2;
    animation: toastFloat 3s ease-in-out infinite;
    white-space: nowrap;
}

.toast-1 {
    top: 15%;
    animation-delay: 0s;
}

.toast-2 {
    top: 35%;
    animation-delay: 1.5s;
}

.toast-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.toast-icon.success {
    background: rgba(0, 206, 201, 0.15);
    color: var(--secondary);
}

.toast-icon.primary {
    background: rgba(108, 92, 231, 0.15);
    color: var(--primary);
}

.toast-body {
    display: flex;
    flex-direction: column;
}

.toast-title {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.toast-amount {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
}

@keyframes toastFloat {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-6px); }
}

/* ---------- 数据统计 ---------- */
.stats-section {
    padding: 60px 0;
    background: var(--bg-white);
    position: relative;
}

.stat-card {
    text-align: center;
    padding: 32px 16px;
    border-radius: var(--radius-lg);
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    display: inline;
}

.stat-unit {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    display: inline;
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ---------- 核心优势 ---------- */
.features-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.feature-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.feature-card.featured {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-color: transparent;
}

.feature-card.featured .feature-title,
.feature-card.featured .feature-desc {
    color: #fff;
}

.feature-card.featured .feature-icon {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.icon-tasks {
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary);
}

.icon-time {
    background: rgba(253, 121, 168, 0.1);
    color: var(--accent);
}

.icon-withdraw {
    background: rgba(0, 206, 201, 0.1);
    color: var(--secondary);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.7;
}

/* ---------- 丰富任务类型 ---------- */
.tasks-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.task-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

.task-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.task-img-wrap {
    position: relative;
    overflow: hidden;
}

.task-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.task-card:hover .task-img {
    transform: scale(1.05);
}

.task-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #fff;
}

.task-badge.easy {
    background: linear-gradient(135deg, #00CEC9, #00B894);
}

.task-badge.high {
    background: linear-gradient(135deg, #FDCB6E, #E17055);
}

.task-badge.longterm {
    background: linear-gradient(135deg, #6C5CE7, #A29BFE);
}

.task-body {
    padding: 20px;
}

.task-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.task-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.6;
}

.task-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.task-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.task-price span {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-muted);
}

.btn-task {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    transition: var(--transition);
}

.btn-task:hover {
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.35);
    transform: translateY(-1px);
    color: #fff;
}

/* ---------- 用户案例 ---------- */
.testimonials-section {
    padding: 80px 0;
    background: var(--bg-section);
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.testimonial-avatar.avatar-2 {
    background: linear-gradient(135deg, var(--accent), #E17055);
}

.testimonial-avatar.avatar-3 {
    background: linear-gradient(135deg, var(--secondary), #00B894);
}

.testimonial-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0;
}

.testimonial-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.testimonial-quote {
    font-size: 0.92rem;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
    border: none;
    padding: 0;
}

.testimonial-income {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.income-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.income-amount {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
}

/* ---------- 下载CTA ---------- */
.download-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.download-card {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: var(--radius-xl);
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    top: -200px;
    right: -100px;
}

.download-card::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    bottom: -60px;
    left: 40px;
}

.download-title {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.download-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    line-height: 1.8;
}

.download-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.btn-dl {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    border: none;
    transition: var(--transition);
}

.btn-dl > .icon-symbol {
    font-size: 1.5rem;
}

.btn-dl span {
    display: block;
    font-size: 0.7rem;
    opacity: 0.8;
    line-height: 1;
}

.btn-dl strong {
    font-size: 0.95rem;
    display: block;
}

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

.btn-dl-android:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    color: var(--primary-dark);
}

.btn-dl-ios {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-dl-ios:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    color: #fff;
}

.download-users {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.user-avatars {
    display: flex;
}

.user-avatars img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    margin-right: -8px;
    object-fit: cover;
}

.download-img {
    max-width: 260px;
    border-radius: 24px;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.2));
}

/* ---------- 常见问题 ---------- */
.faq-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.accordion-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md) !important;
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--bg-white);
}

.accordion-item:last-child {
    margin-bottom: 0;
}

.accordion-button {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    padding: 20px 24px;
    background: var(--bg-white);
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    color: var(--primary);
    background: rgba(108, 92, 231, 0.04);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236C5CE7'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 0 24px 20px;
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ---------- 页脚 ---------- */
.site-footer {
    padding: 60px 0 24px;
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.7);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-brand span {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.footer-about {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-contact .icon-symbol {
    color: var(--primary-light);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 32px 0 20px;
}

.copyright {
    font-size: 0.85rem;
    margin-bottom: 0;
}

.footer-bottom-links {
    display: flex;
    gap: 16px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links a:hover {
    color: var(--primary-light);
}

/* ---------- 返回顶部 ---------- */
.btn-back-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
    border: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 1020;
    cursor: pointer;
}

.btn-back-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.btn-back-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.45);
}

/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-content {
        padding-top: 120px;
        text-align: center;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-rating {
        justify-content: center;
    }

    .hero-visual {
        padding-top: 0;
        padding-bottom: 60px;
    }

    .phone-mockup {
        width: 220px;
    }

    .section-title {
        font-size: 1.85rem;
    }

    .download-card {
        padding: 32px 24px;
    }

    .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        border-radius: var(--radius-md);
        padding: 16px;
        margin-top: 8px;
        box-shadow: var(--shadow-md);
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .stat-card {
        padding: 20px 8px;
    }

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

    .section-title {
        font-size: 1.6rem;
    }

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

    .download-desc {
        font-size: 0.9rem;
    }

    .btn-hero {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .testimonial-card {
        padding: 20px;
    }

    .income-amount {
        font-size: 1.25rem;
    }

    .phone-mockup {
        width: 200px;
    }

    .notification-toast {
        padding: 8px 12px;
        gap: 6px;
    }

    .toast-icon {
        width: 26px;
        height: 26px;
        font-size: 0.7rem;
    }

    .toast-title {
        font-size: 0.65rem;
    }

    .toast-amount {
        font-size: 0.8rem;
    }

    .footer-bottom-links {
        justify-content: center;
        margin-top: 8px;
    }

    .copyright {
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .hero-badge {
        font-size: 0.78rem;
        padding: 6px 14px;
    }

    .hero-btns {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-hero {
        justify-content: center;
    }

    .download-btns {
        flex-direction: column;
    }

    .btn-dl {
        justify-content: center;
    }
}