/* ================================================================
   荒诞兔 AIGC 学院 - 主题样式
   主色：#16a34a 深墨绿 + #00ff88 翠绿
   背景：#0a0e0d 近黑 / #141a18 卡片
   适配：PC >=1024 / Pad 768-1024 / Mobile <768
   ================================================================ */

:root {
    /* 颜色系统 */
    --ar-bg: #0a0e0d;
    --ar-bg-2: #050807;
    --ar-surface: #141a18;
    --ar-surface-2: #1c2522;
    --ar-surface-3: #243029;
    --ar-primary: #16a34a;
    --ar-primary-bright: #00ff88;
    --ar-primary-soft: rgba(22, 163, 74, .15);
    --ar-primary-soft-2: rgba(0, 255, 136, .12);
    --ar-text: #e8f5ee;
    --ar-text-muted: #8aa39a;
    --ar-text-faint: #5c7068;
    --ar-border: #1f2a26;
    --ar-border-strong: #2c3a34;
    --ar-danger: #ef4444;
    --ar-warn: #f59e0b;

    /* 尺寸 */
    --ar-header-height: 72px;
    --ar-container-max: 1280px;
    --ar-radius: 12px;
    --ar-radius-sm: 8px;
    --ar-radius-lg: 20px;

    /* 阴影 */
    --ar-shadow: 0 10px 40px rgba(0, 255, 136, .08);
    --ar-shadow-strong: 0 20px 60px rgba(0, 0, 0, .6);
    --ar-shadow-card: 0 4px 20px rgba(0, 0, 0, .35);

    /* 渐变 */
    --ar-grad: linear-gradient(135deg, #16a34a 0%, #00ff88 100%);
    --ar-grad-soft: linear-gradient(135deg, rgba(22, 163, 74, .15) 0%, rgba(0, 255, 136, .05) 100%);
    --ar-grad-text: linear-gradient(135deg, #16a34a 0%, #00ff88 60%, #b8ffd9 100%);
    --ar-grad-card: linear-gradient(160deg, #141a18 0%, #0d1311 100%);

    /* Element Plus 变量覆写，让 ep-* 组件跟着绿 */
    --el-color-primary: #16a34a;
    --el-color-primary-light-3: #4ade80;
    --el-color-primary-light-5: #86efac;
    --el-color-primary-light-7: #bbf7d0;
    --el-color-primary-light-8: #dcfce7;
    --el-color-primary-light-9: rgba(22, 163, 74, .12);
    --el-color-primary-dark-2: #15803d;
    --el-bg-color: #0a0e0d;
    --el-bg-color-page: #0a0e0d;
    --el-bg-color-overlay: #141a18;
    --el-text-color-primary: #e8f5ee;
    --el-text-color-regular: #d6e7df;
    --el-text-color-secondary: #8aa39a;
    --el-text-color-placeholder: #5c7068;
    --el-border-color: #1f2a26;
    --el-border-color-light: #1f2a26;
    --el-border-color-lighter: #1a2521;
    --el-fill-color-light: rgba(255, 255, 255, .04);
    --el-fill-color: rgba(255, 255, 255, .08);
}

/* ============== 基础重置 ============== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.ar-app {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--ar-bg);
    color: var(--ar-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--ar-primary-bright); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--ar-bg); }
::-webkit-scrollbar-thumb { background: var(--ar-surface-2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ar-primary); }

/* ============== 布局容器 ============== */
.ar-container {
    max-width: var(--ar-container-max);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}
.ar-section { padding: 80px 0; position: relative; }
.ar-section--tight { padding: 56px 0; }
.ar-section--dark { background: var(--ar-bg-2); }
.ar-section-head { text-align: center; margin-bottom: 48px; }
.ar-section-eyebrow {
    display: inline-block;
    font-size: 13px;
    color: var(--ar-primary-bright);
    background: var(--ar-primary-soft);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 1px;
    border: 1px solid rgba(0, 255, 136, .25);
}
.ar-section-title {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--ar-text);
    line-height: 1.2;
}
.ar-section-subtitle {
    font-size: 16px;
    color: var(--ar-text-muted);
    margin: 0;
    max-width: 640px;
    margin: 0 auto;
}
.ar-grad-text {
    background: var(--ar-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* ============== 头部 ============== */
.ar-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--ar-header-height);
    background: rgba(10, 14, 13, .85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--ar-border);
}
.ar-header-inner {
    max-width: var(--ar-container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.ar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.ar-logo-mark {
    width: 36px;
    height: 36px;
    background: var(--ar-grad);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 255, 136, .35);
}
.ar-logo-mark svg { width: 22px; height: 22px; fill: #0a0e0d; }
.ar-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}
.ar-logo-cn {
    font-size: 18px;
    font-weight: 700;
    color: var(--ar-text);
    letter-spacing: 1px;
}
.ar-logo-en {
    font-size: 10px;
    color: var(--ar-primary-bright);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 2px;
}
.ar-nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ar-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.ar-nav-item { position: relative; }
.ar-nav-item > a {
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 18px;
    border-radius: 8px;
    color: var(--ar-text);
    font-size: 15px;
    font-weight: 500;
    transition: all .2s ease;
}
.ar-nav-item > a:hover, .ar-nav-item.is-active > a {
    color: var(--ar-primary-bright);
    background: var(--ar-primary-soft);
}
.ar-nav-item.is-active > a { color: #0a0e0d; background: var(--ar-grad); font-weight: 600; }
.ar-nav-arrow { margin-left: 4px; font-size: 10px; opacity: .65; }
.ar-submenu {
    display: none;
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    min-width: 180px;
    padding: 8px 0;
    margin: 0;
    background: var(--ar-surface);
    border: 1px solid var(--ar-border-strong);
    border-radius: var(--ar-radius);
    box-shadow: var(--ar-shadow-card);
    list-style: none;
    z-index: 200;
}
.ar-submenu::before {
    content: "";
    position: absolute;
    left: 0; right: 0; top: -10px; height: 10px;
}
.ar-nav-item:hover > .ar-submenu { display: block; }
.ar-submenu li a {
    display: block;
    padding: 10px 18px;
    color: var(--ar-text);
    font-size: 14px;
    transition: all .15s ease;
}
.ar-submenu li a:hover { background: var(--ar-primary-soft); color: var(--ar-primary-bright); }
.ar-submenu li.is-active a { color: var(--ar-primary-bright); font-weight: 600; }

.ar-header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.ar-search-popover { position: relative; }
.ar-search-toggle {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px;
    color: var(--ar-text);
    cursor: pointer;
    border: 1px solid var(--ar-border);
    background: transparent;
    transition: all .2s ease;
}
.ar-search-toggle:hover { color: var(--ar-primary-bright); border-color: var(--ar-primary); }
.ar-search-panel {
    display: none;
    position: absolute;
    right: 0; top: 100%;
    margin-top: 6px;
    width: 320px;
    padding: 16px;
    background: var(--ar-surface);
    border: 1px solid var(--ar-border-strong);
    border-radius: var(--ar-radius);
    box-shadow: var(--ar-shadow-card);
    z-index: 300;
}
.ar-search-panel::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.ar-search-popover:hover .ar-search-panel { display: block; }
.ar-search-panel .ar-input {
    width: 100%;
    height: 40px;
    padding: 0 14px;
    background: var(--ar-bg-2);
    border: 1px solid var(--ar-border);
    border-radius: 8px;
    color: var(--ar-text);
    font-size: 14px;
    outline: none;
}
.ar-search-panel .ar-input:focus { border-color: var(--ar-primary); }
.ar-search-panel .ar-btn { margin-top: 10px; width: 100%; }

.ar-user { position: relative; }
.ar-user-trigger {
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 1px solid var(--ar-border);
    overflow: hidden;
    background: var(--ar-surface);
    display: flex; align-items: center; justify-content: center;
}
.ar-user-trigger img { width: 100%; height: 100%; object-fit: cover; }
.ar-user-menu {
    display: none;
    position: absolute;
    right: 0; top: 100%;
    margin-top: 6px;
    min-width: 200px;
    padding: 8px 0;
    background: var(--ar-surface);
    border: 1px solid var(--ar-border-strong);
    border-radius: var(--ar-radius);
    box-shadow: var(--ar-shadow-card);
    z-index: 300;
}
.ar-user-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.ar-user:hover .ar-user-menu { display: block; }
.ar-user-menu a { display: block; padding: 10px 18px; color: var(--ar-text); font-size: 14px; }
.ar-user-menu a:hover { background: var(--ar-primary-soft); color: var(--ar-primary-bright); }
.ar-user-hd { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--ar-border); }
.ar-user-hd img { width: 42px; height: 42px; border-radius: 50%; }
.ar-user-name { font-size: 14px; font-weight: 600; }
.ar-user-meta { font-size: 12px; color: var(--ar-text-muted); margin-top: 2px; }

/* 移动端汉堡 */
.ar-burger { display: none; width: 40px; height: 40px; border: 1px solid var(--ar-border); border-radius: 8px; background: transparent; color: var(--ar-text); align-items: center; justify-content: center; }
.ar-burger span { display: block; width: 18px; height: 2px; background: currentColor; position: relative; }
.ar-burger span::before, .ar-burger span::after { content: ""; position: absolute; left: 0; width: 100%; height: 2px; background: currentColor; }
.ar-burger span::before { top: -6px; }
.ar-burger span::after { top: 6px; }

/* ============== 按钮 ============== */
.ar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 40px;
    padding: 0 22px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    background: var(--ar-grad);
    color: #0a0e0d;
    border: none;
    cursor: pointer;
    transition: all .25s ease;
    text-decoration: none;
}
.ar-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 255, 136, .35); color: #0a0e0d; }
.ar-btn--lg { height: 52px; padding: 0 36px; font-size: 16px; border-radius: 10px; }
.ar-btn--sm { height: 32px; padding: 0 14px; font-size: 13px; }
.ar-btn--ghost { background: transparent; color: var(--ar-primary-bright); border: 1px solid var(--ar-primary); }
.ar-btn--ghost:hover { background: var(--ar-primary-soft); color: var(--ar-primary-bright); box-shadow: none; transform: translateY(-2px); }
.ar-btn--block { width: 100%; }
.ar-btn i { font-size: 14px; }

/* ============== 通用卡片 ============== */
.ar-card {
    background: var(--ar-grad-card);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius);
    padding: 24px;
    transition: all .3s ease;
}
.ar-card:hover { border-color: var(--ar-primary); transform: translateY(-4px); box-shadow: var(--ar-shadow); }
.ar-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 999px;
    background: var(--ar-primary-soft);
    color: var(--ar-primary-bright);
    border: 1px solid rgba(0, 255, 136, .25);
}
.ar-tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    border-radius: 4px;
    background: var(--ar-surface-2);
    color: var(--ar-text-muted);
    margin: 0 4px 4px 0;
}
.ar-tag:hover { color: var(--ar-primary-bright); }

/* ============== 首页 Hero ============== */
.ar-hero {
    position: relative;
    min-height: 640px;
    padding: 120px 0 100px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 800px 400px at 70% 30%, rgba(0, 255, 136, .12), transparent 60%),
        radial-gradient(ellipse 600px 300px at 20% 70%, rgba(22, 163, 74, .12), transparent 60%),
        var(--ar-bg);
}
.ar-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 136, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, .04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    pointer-events: none;
}
.ar-hero-inner { position: relative; z-index: 2; max-width: var(--ar-container-max); margin: 0 auto; padding: 0 24px; }
.ar-hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.ar-hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 14px;
    font-size: 13px; color: var(--ar-primary-bright);
    background: var(--ar-primary-soft);
    border: 1px solid rgba(0, 255, 136, .25);
    border-radius: 999px;
    margin-bottom: 24px;
}
.ar-hero-eyebrow::before { content: ""; width: 6px; height: 6px; background: var(--ar-primary-bright); border-radius: 50%; box-shadow: 0 0 8px var(--ar-primary-bright); }
.ar-hero h1 {
    font-size: 56px;
    line-height: 1.1;
    font-weight: 800;
    margin: 0 0 24px;
    letter-spacing: -1px;
}
.ar-hero p.lead {
    font-size: 18px;
    color: var(--ar-text-muted);
    line-height: 1.7;
    margin: 0 0 40px;
    max-width: 540px;
}
.ar-hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.ar-hero-stats { display: flex; gap: 32px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--ar-border); }
.ar-hero-stat-item .num { font-size: 28px; font-weight: 700; color: var(--ar-primary-bright); }
.ar-hero-stat-item .lbl { font-size: 13px; color: var(--ar-text-muted); margin-top: 4px; }
.ar-hero-visual {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 24px;
    background: var(--ar-grad-card);
    border: 1px solid var(--ar-border-strong);
    overflow: hidden;
    box-shadow: var(--ar-shadow-strong);
}
.ar-hero-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(0, 255, 136, .2), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(22, 163, 74, .2), transparent 50%);
}
.ar-hero-visual::after {
    content: "AIGC";
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 120px;
    font-weight: 900;
    letter-spacing: 8px;
    background: var(--ar-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: .35;
}
.ar-hero-floating {
    position: absolute;
    padding: 14px 20px;
    background: rgba(20, 26, 24, .85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--ar-border-strong);
    border-radius: 12px;
    font-size: 13px;
    color: var(--ar-text);
    display: flex; align-items: center; gap: 10px;
    z-index: 3;
}
.ar-hero-floating i { color: var(--ar-primary-bright); }
.ar-hero-floating.f1 { top: 10%; left: -20px; }
.ar-hero-floating.f2 { top: 50%; right: -10px; }
.ar-hero-floating.f3 { bottom: 12%; left: 10%; }

/* Hero 备用 swiper */
.ar-hero-swiper { position: relative; }
.ar-hero-swiper .swiper-container { border-radius: 16px; overflow: hidden; }
.ar-hero-swiper .swiper-slide img { width: 100%; height: 480px; object-fit: cover; }

/* ============== 三大业务 ============== */
.ar-services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ar-service {
    position: relative;
    padding: 40px 32px;
    background: var(--ar-grad-card);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius-lg);
    transition: all .3s ease;
    overflow: hidden;
}
.ar-service::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--ar-grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s ease;
}
.ar-service:hover { transform: translateY(-8px); border-color: var(--ar-primary); box-shadow: var(--ar-shadow); }
.ar-service:hover::before { transform: scaleX(1); }
.ar-service-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--ar-primary-soft);
    display: flex; align-items: center; justify-content: center;
    color: var(--ar-primary-bright);
    font-size: 28px;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 255, 136, .2);
}
.ar-service h3 { font-size: 22px; margin: 0 0 12px; color: var(--ar-text); font-weight: 700; }
.ar-service p { color: var(--ar-text-muted); margin: 0 0 24px; font-size: 14px; line-height: 1.7; }
.ar-service-tag { display: inline-block; font-size: 12px; color: var(--ar-text-faint); margin-bottom: 16px; }
.ar-service-link { color: var(--ar-primary-bright); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.ar-service-link:hover { gap: 10px; }

/* ============== 课程展示 ============== */
.ar-courses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ar-course {
    background: var(--ar-grad-card);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius);
    overflow: hidden;
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
}
.ar-course:hover { transform: translateY(-6px); border-color: var(--ar-primary); box-shadow: var(--ar-shadow); }
.ar-course-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--ar-grad-soft);
    overflow: hidden;
}
.ar-course-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(22, 163, 74, .4), rgba(0, 255, 136, .1));
}
.ar-course-cover-icon {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 56px;
    color: rgba(255, 255, 255, .15);
    z-index: 1;
}
.ar-course-cover-tag {
    position: absolute;
    top: 12px; left: 12px;
    z-index: 2;
    padding: 4px 10px;
    background: rgba(0, 0, 0, .5);
    backdrop-filter: blur(8px);
    border-radius: 4px;
    font-size: 12px;
    color: var(--ar-primary-bright);
    border: 1px solid rgba(0, 255, 136, .3);
}
.ar-course-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.ar-course h4 { font-size: 17px; margin: 0 0 10px; color: var(--ar-text); line-height: 1.4; font-weight: 700; }
.ar-course-meta { display: flex; gap: 14px; color: var(--ar-text-muted); font-size: 12px; margin-bottom: 16px; }
.ar-course-meta span { display: inline-flex; align-items: center; gap: 4px; }
.ar-course-desc { font-size: 13px; color: var(--ar-text-muted); line-height: 1.6; flex: 1; }
.ar-course-foot {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--ar-border);
}
.ar-course-price { color: var(--ar-primary-bright); font-size: 18px; font-weight: 700; }
.ar-course-price small { font-size: 12px; color: var(--ar-text-muted); font-weight: 400; text-decoration: line-through; margin-left: 6px; }

/* ============== 数据 ============== */
.ar-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 56px 48px;
    background: var(--ar-grad-card);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius-lg);
    position: relative;
    overflow: hidden;
}
.ar-stats::before {
    content: "";
    position: absolute;
    top: -50%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, .08), transparent 60%);
    pointer-events: none;
}
.ar-stat { text-align: center; position: relative; z-index: 1; }
.ar-stat-num {
    font-size: 48px;
    font-weight: 800;
    background: var(--ar-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
}
.ar-stat-num small { font-size: 18px; color: var(--ar-text-muted); font-weight: 500; -webkit-text-fill-color: var(--ar-text-muted); }
.ar-stat-lbl { color: var(--ar-text-muted); font-size: 14px; }

/* ============== 团队 ============== */
.ar-team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ar-team-card {
    padding: 36px 28px;
    background: var(--ar-grad-card);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius-lg);
    text-align: center;
    transition: all .3s ease;
}
.ar-team-card:hover { border-color: var(--ar-primary); transform: translateY(-6px); box-shadow: var(--ar-shadow); }
.ar-team-avatar {
    width: 88px; height: 88px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background: var(--ar-grad);
    display: flex; align-items: center; justify-content: center;
    font-size: 36px;
    color: #0a0e0d;
    font-weight: 700;
    box-shadow: 0 0 0 4px var(--ar-surface), 0 0 0 5px rgba(0, 255, 136, .3);
}
.ar-team-name { font-size: 20px; font-weight: 700; margin: 0 0 6px; }
.ar-team-role { color: var(--ar-primary-bright); font-size: 13px; margin-bottom: 16px; }
.ar-team-bio { color: var(--ar-text-muted); font-size: 13px; line-height: 1.7; }

/* ============== 案例 ============== */
.ar-cases { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ar-case {
    position: relative;
    aspect-ratio: 3 / 4;
    border-radius: var(--ar-radius);
    overflow: hidden;
    background: var(--ar-grad-soft);
    border: 1px solid var(--ar-border);
    transition: all .3s ease;
    cursor: pointer;
}
.ar-case::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, .85) 100%);
    z-index: 1;
}
.ar-case:hover { transform: scale(1.03); border-color: var(--ar-primary); }
.ar-case-icon {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 64px;
    color: rgba(0, 255, 136, .25);
}
.ar-case-info {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 20px;
    z-index: 2;
    color: #fff;
}
.ar-case-title { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.ar-case-meta { font-size: 12px; color: rgba(255, 255, 255, .7); }

/* ============== 学员收益 ============== */
.ar-income { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.ar-income-bars { display: flex; flex-direction: column; gap: 20px; }
.ar-income-row { display: flex; align-items: center; gap: 16px; }
.ar-income-lbl { width: 110px; font-size: 14px; color: var(--ar-text-muted); }
.ar-income-bar { flex: 1; height: 32px; background: var(--ar-surface-2); border-radius: 999px; overflow: hidden; position: relative; }
.ar-income-fill {
    height: 100%;
    background: var(--ar-grad);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 14px;
    color: #0a0e0d;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 0 20px rgba(0, 255, 136, .3);
}
.ar-income-info h3 { font-size: 32px; margin: 0 0 16px; line-height: 1.3; }
.ar-income-info p { color: var(--ar-text-muted); font-size: 15px; line-height: 1.8; margin: 0 0 24px; }
.ar-income-info ul { list-style: none; padding: 0; margin: 0; }
.ar-income-info li { padding: 8px 0; color: var(--ar-text); font-size: 14px; display: flex; align-items: center; gap: 10px; }
.ar-income-info li::before { content: "✓"; color: var(--ar-primary-bright); font-weight: 700; }

/* ============== 资讯 ============== */
.ar-news { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; }
.ar-news-list { display: flex; flex-direction: column; gap: 16px; }
.ar-news-side { display: flex; flex-direction: column; gap: 16px; }
.ar-news-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--ar-surface);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius);
    transition: all .25s ease;
}
.ar-news-card:hover { border-color: var(--ar-primary); transform: translateX(4px); }
.ar-news-card-img {
    width: 200px; aspect-ratio: 4 / 3;
    background: var(--ar-grad-soft);
    border-radius: var(--ar-radius-sm);
    flex-shrink: 0;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    color: var(--ar-primary-bright);
    font-size: 28px;
}
.ar-news-card-img img { width: 100%; height: 100%; object-fit: cover; }
.ar-news-card-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ar-news-card h4 { font-size: 17px; margin: 0 0 10px; line-height: 1.4; }
.ar-news-card h4 a { color: var(--ar-text); }
.ar-news-card h4 a:hover { color: var(--ar-primary-bright); }
.ar-news-card p { color: var(--ar-text-muted); font-size: 13px; line-height: 1.6; margin: 0 0 12px; flex: 1; }
.ar-news-meta { color: var(--ar-text-faint); font-size: 12px; display: flex; gap: 14px; }
.ar-news-meta span { display: inline-flex; align-items: center; gap: 4px; }

.ar-side-card {
    background: var(--ar-surface);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius);
    padding: 20px;
}
.ar-side-card h5 { font-size: 16px; margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--ar-border); display: flex; align-items: center; gap: 8px; }
.ar-side-card h5::before { content: ""; width: 4px; height: 16px; background: var(--ar-grad); border-radius: 2px; }
.ar-side-item { padding: 12px 0; border-bottom: 1px dashed var(--ar-border); }
.ar-side-item:last-child { border-bottom: none; padding-bottom: 0; }
.ar-side-item a { font-size: 14px; color: var(--ar-text); }
.ar-side-item a:hover { color: var(--ar-primary-bright); }
.ar-side-item .date { color: var(--ar-text-faint); font-size: 12px; margin-top: 4px; display: block; }

/* ============== CTA ============== */
.ar-cta {
    position: relative;
    padding: 72px 48px;
    background: var(--ar-grad);
    border-radius: var(--ar-radius-lg);
    text-align: center;
    overflow: hidden;
}
.ar-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, .08) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}
.ar-cta-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.ar-cta h3 { font-size: 32px; color: #0a0e0d; margin: 0 0 12px; font-weight: 800; }
.ar-cta p { color: rgba(10, 14, 13, .75); font-size: 16px; margin: 0 0 28px; }
.ar-cta-form { display: flex; gap: 10px; max-width: 520px; margin: 0 auto; }
.ar-cta-form .ar-input {
    flex: 1; height: 48px; padding: 0 16px;
    background: #fff; border: none; border-radius: 8px;
    color: #0a0e0d; font-size: 14px; outline: none;
}
.ar-cta-form .ar-btn {
    background: #0a0e0d; color: #00ff88; height: 48px; padding: 0 24px;
}
.ar-cta-form .ar-btn:hover { background: #0a0e0d; color: #00ff88; box-shadow: 0 8px 24px rgba(0, 0, 0, .3); }

/* ============== 面包屑 ============== */
.ar-breadcrumb {
    max-width: var(--ar-container-max);
    margin: 0 auto;
    padding: 16px 24px 0;
    font-size: 13px;
    color: var(--ar-text-muted);
}
.ar-breadcrumb a { color: var(--ar-text-muted); }
.ar-breadcrumb a:hover { color: var(--ar-primary-bright); }
.ar-bc-sep { margin: 0 8px; color: var(--ar-text-faint); }
.ar-bc-current { color: var(--ar-text); }

/* ============== 内页通用 ============== */
.ar-page { padding: 24px 0 80px; }
.ar-page-hero {
    padding: 60px 0;
    text-align: center;
    background: var(--ar-grad-soft);
    border-bottom: 1px solid var(--ar-border);
    margin-bottom: 40px;
}
.ar-page-hero h1 {
    font-size: 36px; margin: 0 0 12px;
    background: var(--ar-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.ar-page-hero p { color: var(--ar-text-muted); margin: 0; max-width: 640px; margin: 0 auto; }

.ar-row { display: grid; grid-template-columns: 1fr 320px; gap: 32px; }
.ar-row--list { grid-template-columns: 1fr 320px; }
.ar-row--single { grid-template-columns: 1fr; max-width: 880px; margin: 0 auto; }

/* 列表卡片 */
.ar-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.ar-list-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--ar-surface);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius);
    transition: all .25s ease;
}
.ar-list-item:hover { border-color: var(--ar-primary); transform: translateX(4px); }
.ar-list-item-img {
    width: 240px; aspect-ratio: 4 / 3;
    background: var(--ar-grad-soft);
    border-radius: var(--ar-radius-sm);
    flex-shrink: 0;
    overflow: hidden;
    color: var(--ar-primary-bright);
    display: flex; align-items: center; justify-content: center;
    font-size: 32px;
}
.ar-list-item-img img { width: 100%; height: 100%; object-fit: cover; }
.ar-list-item-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ar-list-item h3 { font-size: 18px; margin: 0 0 10px; line-height: 1.4; }
.ar-list-item h3 a { color: var(--ar-text); }
.ar-list-item h3 a:hover { color: var(--ar-primary-bright); }
.ar-list-item p { color: var(--ar-text-muted); font-size: 14px; line-height: 1.6; margin: 0 0 12px; flex: 1; }
.ar-list-item-meta { color: var(--ar-text-faint); font-size: 12px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.ar-list-item-meta span { display: inline-flex; align-items: center; gap: 4px; }

/* 详情页 */
.ar-article { background: var(--ar-surface); border: 1px solid var(--ar-border); border-radius: var(--ar-radius); padding: 48px; }
.ar-article h1 {
    font-size: 32px;
    margin: 0 0 16px;
    line-height: 1.4;
    color: var(--ar-text);
    position: relative;
    padding-bottom: 24px;
}
.ar-article h1::after {
    content: "";
    position: absolute;
    bottom: 0; left: 0;
    width: 60px; height: 3px;
    background: var(--ar-grad);
    border-radius: 2px;
}
.ar-article-meta {
    color: var(--ar-text-muted); font-size: 13px;
    padding: 16px 0; margin-bottom: 32px;
    border-bottom: 1px solid var(--ar-border);
    display: flex; gap: 20px; flex-wrap: wrap;
}
.ar-article-meta span { display: inline-flex; align-items: center; gap: 4px; }
.ar-article .neirong {
    color: var(--ar-text);
    font-size: 15px;
    line-height: 1.85;
    max-width: 760px;
    margin: 0 auto;
}
.ar-article .neirong p { margin: 0 0 20px; }
.ar-article .neirong h2, .ar-article .neirong h3, .ar-article .neirong h4 {
    color: var(--ar-text); margin: 32px 0 16px; font-weight: 700;
}
.ar-article .neirong h2 { font-size: 24px; padding-left: 12px; border-left: 3px solid var(--ar-primary-bright); }
.ar-article .neirong h3 { font-size: 20px; }
.ar-article .neirong a { color: var(--ar-primary-bright); }
.ar-article .neirong blockquote {
    margin: 24px 0; padding: 16px 20px;
    background: var(--ar-primary-soft-2);
    border-left: 4px solid var(--ar-primary);
    border-radius: 0 var(--ar-radius-sm) var(--ar-radius-sm) 0;
    color: var(--ar-text);
}
.ar-article .neirong img { max-width: 100%; border-radius: var(--ar-radius-sm); margin: 16px 0; }
.ar-article .neirong code {
    background: var(--ar-bg-2);
    color: var(--ar-primary-bright);
    padding: 2px 8px; border-radius: 4px;
    font-family: "Cascadia Code", Consolas, monospace;
    font-size: .9em;
}
.ar-article .neirong pre {
    background: var(--ar-bg-2);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius-sm);
    padding: 16px;
    overflow-x: auto;
    line-height: 1.5;
}
.ar-article .neirong pre code { background: transparent; padding: 0; color: var(--ar-text); }
.ar-article .neirong table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.ar-article .neirong th, .ar-article .neirong td { padding: 10px 14px; border: 1px solid var(--ar-border); }
.ar-article .neirong th { background: var(--ar-surface-2); color: var(--ar-text); }

.ar-article-tags { margin-top: 32px; padding-top: 24px; border-top: 1px dashed var(--ar-border); }
.ar-article-prevnext {
    margin-top: 32px; padding: 20px;
    background: var(--ar-surface-2);
    border-radius: var(--ar-radius);
    font-size: 14px;
}
.ar-article-prevnext p { margin: 0; padding: 8px 0; }
.ar-article-prevnext strong { color: var(--ar-text-muted); margin-right: 8px; }
.ar-article-prevnext a { color: var(--ar-text); }
.ar-article-prevnext a:hover { color: var(--ar-primary-bright); }

/* 侧栏 */
.ar-side { display: flex; flex-direction: column; gap: 20px; }
.ar-side-card-mini { padding: 16px; }

/* 单页 page */
.ar-page-body { background: var(--ar-surface); border: 1px solid var(--ar-border); border-radius: var(--ar-radius); padding: 48px; }
.ar-page-body .neirong { max-width: 760px; margin: 0 auto; font-size: 15px; line-height: 1.85; }

/* 搜索 */
.ar-search-form {
    max-width: 720px; margin: 0 auto 40px;
    padding: 24px; background: var(--ar-surface);
    border: 1px solid var(--ar-border); border-radius: var(--ar-radius);
}
.ar-search-form .row { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.ar-search-form .row span.lbl { font-size: 13px; color: var(--ar-text-muted); width: 60px; flex-shrink: 0; }
.ar-search-form .row .opts { display: flex; gap: 6px; flex-wrap: wrap; }
.ar-search-form .row .opts a { padding: 4px 12px; font-size: 12px; border-radius: 4px; background: var(--ar-surface-2); color: var(--ar-text-muted); }
.ar-search-form .row .opts a:hover, .ar-search-form .row .opts a.is-active { background: var(--ar-primary-soft); color: var(--ar-primary-bright); border: 1px solid rgba(0, 255, 136, .3); }
.ar-search-form .divider { height: 1px; background: var(--ar-border); margin: 12px 0; }
.ar-search-form .keyword-row { display: flex; gap: 10px; }
.ar-search-form .keyword-row .ar-input {
    flex: 1; height: 44px; padding: 0 14px;
    background: var(--ar-bg-2); border: 1px solid var(--ar-border);
    border-radius: 8px; color: var(--ar-text); font-size: 14px; outline: none;
}
.ar-search-form .keyword-row .ar-input:focus { border-color: var(--ar-primary); }
.ar-tags-cloud { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 0; }
.ar-tags-cloud a { padding: 6px 14px; background: var(--ar-surface-2); border: 1px solid var(--ar-border); border-radius: 999px; font-size: 13px; color: var(--ar-text-muted); }
.ar-tags-cloud a:hover { background: var(--ar-primary-soft); border-color: var(--ar-primary); color: var(--ar-primary-bright); }

/* 404 / msg */
.ar-auth {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--ar-bg);
    background-image: radial-gradient(ellipse at center, rgba(0, 255, 136, .08), transparent 60%);
}
.ar-auth-card {
    text-align: center; padding: 60px 48px;
    background: var(--ar-surface);
    border: 1px solid var(--ar-border);
    border-radius: var(--ar-radius-lg);
    box-shadow: var(--ar-shadow-strong);
    max-width: 480px;
}
.ar-auth-mark { font-size: 120px; line-height: 1; background: var(--ar-grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-weight: 900; }
.ar-auth-title { font-size: 24px; margin: 16px 0 12px; }
.ar-auth-msg { color: var(--ar-text-muted); margin: 0 0 32px; font-size: 14px; }
.ar-auth-icon-ok { font-size: 80px; color: var(--ar-primary-bright); }
.ar-auth-icon-err { font-size: 80px; color: var(--ar-danger); }

/* 分页 */
.ar-pagination { display: flex; gap: 6px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.ar-pagination a, .ar-pagination span {
    min-width: 36px; height: 36px; padding: 0 12px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--ar-border); border-radius: 6px;
    background: var(--ar-surface); color: var(--ar-text);
    font-size: 13px; transition: all .2s ease;
}
.ar-pagination a:hover { border-color: var(--ar-primary); color: var(--ar-primary-bright); }
.ar-pagination .is-active, .ar-pagination .current { background: var(--ar-grad); color: #0a0e0d; border-color: transparent; font-weight: 600; }

/* ============== 页脚 ============== */
.ar-footer {
    background: var(--ar-bg-2);
    border-top: 1px solid var(--ar-border);
    padding: 64px 0 24px;
    margin-top: 80px;
}
.ar-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    max-width: var(--ar-container-max);
    margin: 0 auto;
    padding: 0 24px 48px;
}
.ar-footer-brand { max-width: 320px; }
.ar-footer-brand .ar-logo { margin-bottom: 16px; }
.ar-footer-brand p { color: var(--ar-text-muted); font-size: 13px; line-height: 1.7; margin: 0 0 16px; }
.ar-footer-brand .slogan { color: var(--ar-primary-bright); font-size: 13px; }
.ar-footer h6 { font-size: 14px; color: var(--ar-text); margin: 0 0 18px; font-weight: 600; position: relative; padding-left: 12px; }
.ar-footer h6::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 3px; background: var(--ar-grad); border-radius: 2px; }
.ar-footer ul { list-style: none; padding: 0; margin: 0; }
.ar-footer li { padding: 5px 0; }
.ar-footer a { color: var(--ar-text-muted); font-size: 13px; }
.ar-footer a:hover { color: var(--ar-primary-bright); }
.ar-footer-contact p { color: var(--ar-text-muted); font-size: 13px; line-height: 1.8; margin: 0 0 8px; display: flex; gap: 8px; }
.ar-footer-contact i { color: var(--ar-primary-bright); width: 16px; flex-shrink: 0; }
.ar-footer-bottom {
    border-top: 1px solid var(--ar-border);
    padding-top: 20px;
    text-align: center;
    color: var(--ar-text-faint);
    font-size: 12px;
    max-width: var(--ar-container-max);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.ar-footer-bottom a { color: var(--ar-text-muted); }
.ar-footer-bottom a:hover { color: var(--ar-primary-bright); }

/* 滚动到顶部 */
.ar-scrolltop {
    position: fixed;
    right: 24px; bottom: 24px;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--ar-grad);
    color: #0a0e0d;
    display: flex; align-items: center; justify-content: center;
    border: none; cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 255, 136, .4);
    z-index: 99;
    transition: all .25s ease;
    opacity: 0; visibility: hidden;
}
.ar-scrolltop.is-visible { opacity: 1; visibility: visible; }
.ar-scrolltop:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0, 255, 136, .5); }

/* 兼容 ep-* 旧模板元素（保持模板中原结构样式） */
.el-card, .ep-related-card { background: var(--ar-surface) !important; border: 1px solid var(--ar-border) !important; border-radius: var(--ar-radius) !important; }
.el-card__header { color: var(--ar-text) !important; border-bottom: 1px solid var(--ar-border) !important; padding: 16px 20px !important; }
.el-card__body { color: var(--ar-text) !important; padding: 20px !important; }
.el-button--primary { background: var(--ar-grad) !important; border-color: transparent !important; color: #0a0e0d !important; }
.el-button--primary.is-plain { background: var(--ar-primary-soft) !important; color: var(--ar-primary-bright) !important; border: 1px solid rgba(0, 255, 136, .3) !important; }
.el-button--primary:hover { box-shadow: 0 4px 16px rgba(0, 255, 136, .35) !important; }
.el-link--primary { color: var(--ar-primary-bright) !important; }
.el-input__wrapper { background: var(--ar-bg-2) !important; box-shadow: 0 0 0 1px var(--ar-border) !important; border-radius: 8px !important; }
.el-input__inner { color: var(--ar-text) !important; }

/* ============== 响应式 ============== */
@media (max-width: 1024px) {
    .ar-hero { min-height: 480px; padding: 80px 0 60px; }
    .ar-hero h1 { font-size: 42px; }
    .ar-hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .ar-hero-visual { max-width: 480px; margin: 0 auto; }
    .ar-section { padding: 64px 0; }
    .ar-section-title { font-size: 28px; }
    .ar-services, .ar-courses, .ar-team { grid-template-columns: repeat(2, 1fr); }
    .ar-stats { grid-template-columns: repeat(2, 1fr); padding: 40px 32px; }
    .ar-stats .ar-stat-num { font-size: 36px; }
    .ar-cases { grid-template-columns: repeat(3, 1fr); }
    .ar-income { grid-template-columns: 1fr; gap: 32px; }
    .ar-news { grid-template-columns: 1fr; }
    .ar-row { grid-template-columns: 1fr; }
    .ar-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .ar-burger { display: inline-flex; }
    .ar-nav { display: none; }
    .ar-nav.is-open {
        display: block; position: fixed;
        top: var(--ar-header-height); left: 0; right: 0;
        background: var(--ar-bg);
        border-bottom: 1px solid var(--ar-border);
        padding: 16px 24px 24px;
        max-height: calc(100vh - var(--ar-header-height));
        overflow-y: auto;
    }
    .ar-nav.is-open > ul { flex-direction: column; gap: 0; align-items: stretch; }
    .ar-nav.is-open .ar-nav-item > a { width: 100%; height: 44px; }
    .ar-nav.is-open .ar-submenu { position: static; transform: none; box-shadow: none; border: none; background: transparent; padding-left: 16px; }
}
@media (max-width: 768px) {
    :root { --ar-header-height: 60px; }
    .ar-container, .ar-header-inner, .ar-breadcrumb, .ar-footer-grid, .ar-footer-bottom { padding-left: 16px; padding-right: 16px; }
    .ar-hero { min-height: 420px; padding: 60px 0 40px; }
    .ar-hero h1 { font-size: 32px; }
    .ar-hero p.lead { font-size: 15px; }
    .ar-hero-stats { gap: 16px; flex-wrap: wrap; }
    .ar-hero-stat-item .num { font-size: 22px; }
    .ar-hero-floating.f1, .ar-hero-floating.f2, .ar-hero-floating.f3 { display: none; }
    .ar-section { padding: 48px 0; }
    .ar-section-title { font-size: 24px; }
    .ar-services, .ar-courses, .ar-team, .ar-cases { grid-template-columns: 1fr; }
    .ar-stats { grid-template-columns: repeat(2, 1fr); padding: 32px 20px; gap: 24px 16px; }
    .ar-stats .ar-stat-num { font-size: 28px; }
    .ar-news-card, .ar-list-item { flex-direction: column; }
    .ar-news-card-img, .ar-list-item-img { width: 100%; }
    .ar-cta { padding: 48px 24px; }
    .ar-cta h3 { font-size: 24px; }
    .ar-cta-form { flex-direction: column; }
    .ar-article { padding: 24px; }
    .ar-article h1 { font-size: 24px; }
    .ar-page-body { padding: 24px; }
    .ar-page-hero { padding: 40px 0; }
    .ar-page-hero h1 { font-size: 26px; }
    .ar-footer { padding: 40px 0 20px; }
    .ar-footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .ar-search-form { padding: 16px; }
    .ar-header-actions { gap: 8px; }
    .ar-header-actions .ar-user-trigger, .ar-header-actions .ar-search-toggle { width: 36px; height: 36px; }
    .ar-header-actions .ar-user-trigger { display: none; }
    .ar-auth-card { padding: 40px 24px; margin: 0 16px; }
    .ar-auth-mark { font-size: 80px; }
}
@media (max-width: 480px) {
    .ar-hero h1 { font-size: 26px; }
    .ar-stats { grid-template-columns: 1fr 1fr; }
    .ar-cta-form .ar-input, .ar-cta-form .ar-btn { width: 100%; }
}

/* ============== 工具类 ============== */
.ar-link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ar-primary-bright);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 0;
    transition: all .2s ease;
    flex-shrink: 0;
}
.ar-link-arrow i { transition: transform .2s ease; }
.ar-link-arrow:hover { color: #b8ffd9; }
.ar-link-arrow:hover i { transform: translateX(4px); }

.ar-section-head--inline {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    text-align: left;
    margin-bottom: 48px;
}
.ar-section-head--inline > div { flex: 1; min-width: 0; }
.ar-section-head--inline .ar-section-subtitle { margin: 0; }

.ar-courses-foot-more {
    text-align: center;
    margin-top: 40px;
}
.ar-courses-foot-more .ar-link-arrow {
    padding: 12px 24px;
    border: 1px solid var(--ar-border-strong);
    border-radius: 999px;
    background: var(--ar-surface);
}
.ar-courses-foot-more .ar-link-arrow:hover {
    border-color: var(--ar-primary);
    background: var(--ar-primary-soft);
}

.ar-income-platforms {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed var(--ar-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    color: var(--ar-text-muted);
    font-size: 13px;
}
.ar-income-platforms .lbl {
    color: var(--ar-text);
    font-weight: 500;
    margin-right: 4px;
}
.ar-income-platforms .dot { color: var(--ar-text-faint); }

.ar-cta-tip {
    margin: 16px 0 0;
    font-size: 12px;
    color: var(--ar-text-faint);
    text-align: center;
}
.ar-cta-tip a { color: var(--ar-text-muted); }
.ar-cta-tip a:hover { color: var(--ar-primary-bright); }

@media (max-width: 768px) {
    .ar-section-head--inline {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .ar-income-platforms { font-size: 12px; }
}