/* ==============================================================
 * Aurora Theme — Glass + Aurora Gradient
 * 定位: 企业官网 / SaaS 产品落地页 / AI 工具站
 * 默认深色,极光渐变背景 + 毛玻璃浮层卡片
 * ============================================================== */

:root {
    /* 由 base.html 注入的 settings 变量会覆盖此处默认值 */
    --aurora-primary: #7c3aed;
    --aurora-accent: #ec4899;
    --aurora-blob-a: #7c3aed;
    --aurora-blob-b: #3b82f6;
    --aurora-blob-c: #ec4899;

    /* 中性色 (深色科技底) */
    --bg-base: #0a0a14;
    --bg-elevated: #12121f;
    --surface-glass: rgba(255, 255, 255, 0.04);
    --surface-glass-strong: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-strong: rgba(255, 255, 255, 0.16);

    --text-primary: #f5f5f7;
    --text-secondary: rgba(245, 245, 247, 0.72);
    --text-muted: rgba(245, 245, 247, 0.52);

    /* 字体 (Inter Display fallback to system-ui) */
    --font-display: "Inter Display", "Inter", "Geist", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-body: "Inter", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

    /* 圆角 */
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
    --r-2xl: 40px;
    --r-pill: 999px;

    /* 容器 */
    --container-max: 1200px;
    --container-pad: 24px;

    /* spring 缓动 */
    --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
    --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ============================================================
 * Reset + 基础排版
 * ============================================================ */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }
html { overflow-x: clip; scroll-behavior: smooth; }
body { overflow-x: clip; }

.aurora-body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-primary);
    background: var(--bg-base);
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.aurora-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

.aurora-main { position: relative; z-index: 1; }

/* ============================================================
 * Aurora 极光背景 (固定全屏,滚动时不动)
 * ============================================================ */
.aurora-backdrop {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background: radial-gradient(ellipse at top, #1a1a2e 0%, var(--bg-base) 60%);
}

.aurora-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.55;
    mix-blend-mode: screen;
    animation: aurora-drift 24s ease-in-out infinite;
    will-change: transform;
}

.aurora-blob.blob-a {
    width: 60vw; height: 60vw;
    top: -20vw; left: -20vw;
    background: radial-gradient(circle, var(--aurora-blob-a), transparent 70%);
    animation-delay: 0s;
}
.aurora-blob.blob-b {
    width: 55vw; height: 55vw;
    top: 10vh; right: -15vw;
    background: radial-gradient(circle, var(--aurora-blob-b), transparent 70%);
    animation-delay: -8s;
}
.aurora-blob.blob-c {
    width: 50vw; height: 50vw;
    bottom: -15vw; left: 30vw;
    background: radial-gradient(circle, var(--aurora-blob-c), transparent 70%);
    animation-delay: -16s;
}

@keyframes aurora-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(8vw, -6vh) scale(1.08); }
    66%      { transform: translate(-6vw, 8vh) scale(0.94); }
}

/* 浅网格 (科技感) */
.aurora-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* 关闭动画 (减少动效偏好) */
@media (prefers-reduced-motion: reduce) {
    .aurora-blob { animation: none; }
}

/* ============================================================
 * 文字渐变 (Aurora gradient text)
 * ============================================================ */
.aurora-text-gradient {
    background: linear-gradient(135deg,
        var(--aurora-blob-a) 0%,
        var(--aurora-blob-b) 50%,
        var(--aurora-blob-c) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

/* ============================================================
 * Hero-Nav: 30vh 大型品牌区 (Aurora 主入口形态)
 * 与 Editorial 横向三段式 nav 结构性差异: 上下三段分布 + 极光带装饰
 * ============================================================ */
.aurora-hero-nav {
    position: relative;
    z-index: 30;
    min-height: 30vh;
    padding: 20px var(--container-pad) 28px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124, 58, 237, 0.20), transparent 70%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(236, 72, 153, 0.18), transparent 70%),
        linear-gradient(180deg, rgba(10, 10, 20, 0.0) 0%, rgba(10, 10, 20, 0.30) 100%);
}
.aurora-hero-nav[data-on="sub"] { min-height: 22vh; }
@media (max-width: 768px) {
    .aurora-hero-nav { min-height: 240px; padding: 16px 16px 20px; }
    .aurora-hero-nav[data-on="sub"] { min-height: 180px; }
}

/* 顶部极光带装饰 (3 条交错光带) */
.aurora-hero-nav__ribbon {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}
.aurora-hero-nav__ribbon-a,
.aurora-hero-nav__ribbon-b,
.aurora-hero-nav__ribbon-c {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--aurora-blob-a) 25%, var(--aurora-blob-b) 50%, var(--aurora-blob-c) 75%, transparent 100%);
    opacity: 0.7;
    will-change: transform;
}
.aurora-hero-nav__ribbon-a { top: 18%; left: -20%; width: 140%; transform: rotate(-1.5deg); animation: aurora-ribbon-shift 14s ease-in-out infinite; }
.aurora-hero-nav__ribbon-b { top: 52%; left: -20%; width: 140%; transform: rotate( 1deg); opacity: 0.4; animation: aurora-ribbon-shift 18s ease-in-out infinite reverse; }
.aurora-hero-nav__ribbon-c { top: 82%; left: -20%; width: 140%; transform: rotate(-0.5deg); opacity: 0.55; animation: aurora-ribbon-shift 22s ease-in-out infinite; }
@keyframes aurora-ribbon-shift {
    0%, 100% { transform: translateX(-30px) rotate(-1.5deg); opacity: 0.4; }
    50%      { transform: translateX( 30px) rotate(-1.5deg); opacity: 0.85; }
}

/* 顶部行: logo dot (左) + 操作 (右) */
.aurora-hero-nav__topbar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.aurora-hero-nav__dot {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
}
.aurora-hero-nav__dot img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.aurora-hero-nav__dot-pulse {
    width: 14px; height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aurora-blob-a), var(--aurora-blob-c));
    box-shadow:
        0 0 18px var(--aurora-blob-c),
        0 0 36px rgba(236, 72, 153, 0.45);
    animation: aurora-dot-pulse 2.6s ease-in-out infinite;
}
.aurora-hero-nav__dot-pulse--small { width: 10px; height: 10px; box-shadow: 0 0 10px var(--aurora-blob-c); }
@keyframes aurora-dot-pulse {
    0%, 100% { transform: scale(1);   opacity: 1; }
    50%      { transform: scale(1.2); opacity: 0.75; }
}

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

.aurora-hero-nav__cta { display: none; }
@media (min-width: 640px) { .aurora-hero-nav__cta { display: inline-flex; } }

.aurora-hero-nav__burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--r-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.aurora-hero-nav__burger:hover {
    background: var(--surface-glass-strong);
    border-color: var(--border-glass-strong);
}
@media (min-width: 1024px) { .aurora-hero-nav__burger { display: none; } }

/* 中部: 渐变大字站名 */
.aurora-hero-nav__brand {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 0 8px;
    text-align: center;
}
.aurora-hero-nav[data-on="sub"] .aurora-hero-nav__brand { padding: 8px 0 4px; }

.aurora-hero-nav__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--r-pill);
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    text-transform: uppercase;
}
.aurora-hero-nav[data-on="sub"] .aurora-hero-nav__eyebrow { display: none; }

.aurora-hero-nav__title {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(40px, 7vw, 96px);
    line-height: 1.0;
    letter-spacing: -0.04em;
}
.aurora-hero-nav[data-on="sub"] .aurora-hero-nav__title {
    font-size: clamp(28px, 4.5vw, 56px);
}
.aurora-hero-nav__title a { display: inline-block; }

/* 底部胶囊菜单 (inline 排列, hover 弹出 dropdown) */
.aurora-hero-nav__pills {
    position: relative;
    z-index: 2;
    display: none;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 12px;
    padding: 6px;
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--r-pill);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
}
@media (min-width: 1024px) { .aurora-hero-nav__pills { display: inline-flex; } }

.aurora-pill-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: var(--r-pill);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}
.aurora-pill-link:hover {
    background: var(--surface-glass-strong);
    color: var(--text-primary);
}
.aurora-pill-link.is-active {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.20), rgba(236, 72, 153, 0.20));
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px rgba(124, 58, 237, 0.30);
}
.aurora-pill-link--has-arrow svg { opacity: 0.6; transition: transform 0.2s; }
.aurora-pill-group { position: relative; }
.aurora-pill-group:hover .aurora-pill-link--has-arrow svg { transform: rotate(180deg); }

.aurora-dropdown--pill {
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
}
.aurora-pill-group:hover .aurora-dropdown--pill {
    opacity: 1; visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 滚动后的紧凑 sticky nav (默认隐藏 -100% 上移, body.is-scrolled 时滑入) */
.aurora-compact-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    padding: 10px 0;
    background: rgba(10, 10, 20, 0.78);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-glass);
    transform: translateY(-100%);
    transition: transform 0.4s var(--ease-out);
    pointer-events: none;
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .aurora-compact-nav { background: rgba(10, 10, 20, 0.95); }
}
body.is-scrolled .aurora-compact-nav {
    transform: translateY(0);
    pointer-events: auto;
}
.aurora-compact-nav__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.aurora-compact-nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.01em;
}
.aurora-compact-nav__menu {
    display: none;
    align-items: center;
    gap: 4px;
}
@media (min-width: 1024px) { .aurora-compact-nav__menu { display: inline-flex; } }
.aurora-pill-link--compact { padding: 6px 12px; font-size: 13px; }
.aurora-compact-nav__actions { display: inline-flex; align-items: center; gap: 8px; }

/* ============================================================
 * Logo / Lang / Dropdown — footer 与 hero-nav 共享的基础样式
 * ============================================================ */
.aurora-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.01em;
}
.aurora-logo__img { height: 28px; width: auto; }
.aurora-logo__dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aurora-blob-a), var(--aurora-blob-c));
    box-shadow: 0 0 16px var(--aurora-blob-c);
}

.aurora-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 200px;
    padding: 8px;
    background: rgba(20, 20, 35, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-glass-strong);
    border-radius: var(--r-md);
    box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.25s var(--ease-spring);
}
.aurora-dropdown__item {
    display: block;
    padding: 8px 12px;
    border-radius: var(--r-sm);
    font-size: 14px;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
}
.aurora-dropdown__item:hover {
    background: var(--surface-glass-strong);
    color: var(--text-primary);
}

.aurora-lang {
    display: none;
    gap: 4px;
    padding: 4px;
    border-radius: var(--r-pill);
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
}
@media (min-width: 640px) { .aurora-lang { display: inline-flex; } }

.aurora-lang__item {
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--r-pill);
    color: var(--text-muted);
    transition: background 0.2s, color 0.2s;
}
.aurora-lang__item.is-active {
    background: var(--surface-glass-strong);
    color: var(--text-primary);
}
.aurora-lang__item:hover { color: var(--text-primary); }

/* ============================================================
 * Mobile Menu
 * ============================================================ */
.aurora-mobile {
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
.aurora-mobile.is-open { opacity: 1; pointer-events: auto; }
.aurora-mobile__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.aurora-mobile__panel {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 320px;
    max-width: 90vw;
    padding: 24px;
    background: rgba(15, 15, 25, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-glass-strong);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-spring);
    overflow-y: auto;
}
.aurora-mobile.is-open .aurora-mobile__panel { transform: translateX(0); }

.aurora-mobile__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-glass);
}
.aurora-mobile__title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
}
.aurora-mobile__close {
    width: 36px; height: 36px;
    border: 1px solid var(--border-glass);
    border-radius: var(--r-sm);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
}
.aurora-mobile__menu { display: flex; flex-direction: column; gap: 4px; }
.aurora-mobile__link {
    padding: 12px 14px;
    border-radius: var(--r-md);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
}
.aurora-mobile__link:hover {
    background: var(--surface-glass);
    color: var(--text-primary);
}
.aurora-mobile__lang {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-glass);
}

/* ============================================================
 * Buttons
 * ============================================================ */
.aurora-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--r-pill);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.25s var(--ease-spring), box-shadow 0.3s, background 0.2s;
    white-space: nowrap;
}
.aurora-btn--sm { padding: 8px 14px; font-size: 13px; }
.aurora-btn--lg { padding: 14px 24px; font-size: 15px; }

.aurora-btn--primary {
    background: linear-gradient(135deg, var(--aurora-blob-a), var(--aurora-blob-c));
    color: #fff;
    box-shadow:
        0 8px 24px -8px var(--aurora-blob-a),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.aurora-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 12px 32px -8px var(--aurora-blob-c),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.aurora-btn--glass {
    background: var(--surface-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-color: var(--border-glass-strong);
    color: var(--text-primary);
}
.aurora-btn--glass:hover {
    background: var(--surface-glass-strong);
    transform: translateY(-2px);
}

/* ============================================================
 * Pill / Eyebrow / Tag
 * ============================================================ */
.aurora-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--r-pill);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    background: var(--surface-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-glass-strong);
}
.aurora-pill__dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--aurora-accent);
    box-shadow: 0 0 8px var(--aurora-accent);
    animation: aurora-pulse 2s ease-in-out infinite;
}
@keyframes aurora-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.5; }
}

.aurora-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.aurora-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--r-pill);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    transition: background 0.2s, color 0.2s;
}
.aurora-tag:hover {
    background: var(--surface-glass-strong);
    color: var(--text-primary);
}

/* ============================================================
 * Hero
 * ============================================================ */
.aurora-hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
}
@media (min-width: 768px) { .aurora-hero { padding: 120px 0 140px; } }

/* 二级 hero (header 已展示渐变大字 site.Name, 这里只做 CTA + 装饰) */
.aurora-hero--secondary { padding: 40px 0 80px; }
@media (min-width: 768px) { .aurora-hero--secondary { padding: 60px 0 120px; } }
.aurora-hero--secondary .aurora-hero__subtitle { margin-top: 0; }

.aurora-hero__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
    text-align: center;
    position: relative;
    z-index: 2;
}

.aurora-hero__title {
    font-family: var(--font-display);
    font-size: clamp(42px, 8vw, 88px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin: 24px 0 20px;
}

.aurora-hero__subtitle {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 36px;
}

.aurora-hero__cta {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

/* 浮层装饰卡片 */
.aurora-hero__showcase {
    position: relative;
    margin-top: 72px;
    height: 240px;
    pointer-events: none;
}
@media (max-width: 767px) { .aurora-hero__showcase { display: none; } }

.aurora-glass-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-glass-strong);
    border-radius: var(--r-lg);
    padding: 16px;
    box-shadow:
        0 24px 60px -20px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.aurora-hero__card-a {
    width: 280px; height: 160px;
    left: 10%; top: 0;
    transform: perspective(800px) rotateY(8deg) rotateX(-4deg);
}
.aurora-hero__card-b {
    width: 240px; height: 140px;
    right: 12%; top: 40px;
    transform: perspective(800px) rotateY(-10deg) rotateX(2deg);
}
.aurora-glass-card__bar {
    height: 8px;
    width: 60%;
    background: linear-gradient(90deg, var(--aurora-blob-b), var(--aurora-blob-c));
    border-radius: var(--r-pill);
    margin-bottom: 16px;
}
.aurora-glass-card__line {
    height: 6px;
    background: var(--surface-glass-strong);
    border-radius: var(--r-pill);
    margin-bottom: 8px;
}
.aurora-glass-card__line--short { width: 60%; }
.aurora-glass-card__avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aurora-blob-a), var(--aurora-blob-c));
    margin-bottom: 12px;
}

/* ============================================================
 * Section 通用
 * ============================================================ */
.aurora-section {
    padding: 80px 0;
    position: relative;
}
@media (min-width: 768px) { .aurora-section { padding: 120px 0; } }

.aurora-section__head {
    text-align: center;
    margin-bottom: 48px;
}
.aurora-section__title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0;
}

/* ============================================================
 * Feature Grid (栏目导航)
 * ============================================================ */
.aurora-feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
@media (min-width: 640px) { .aurora-feature-grid { grid-template-columns: 1fr 1fr; gap: 20px; } }
@media (min-width: 1024px) { .aurora-feature-grid { grid-template-columns: repeat(3, 1fr); } }

.aurora-feature {
    position: relative;
    padding: 28px;
    border-radius: var(--r-xl);
    background: var(--surface-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-glass);
    transition: transform 0.35s var(--ease-spring), background 0.3s, border 0.3s, box-shadow 0.3s;
    overflow: hidden;
}
.aurora-feature::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.25), transparent 50%);
    opacity: 0;
    transition: opacity 0.35s;
}
.aurora-feature:hover {
    transform: translateY(-6px);
    background: var(--surface-glass-strong);
    border-color: var(--border-glass-strong);
    box-shadow: 0 20px 40px -20px rgba(124, 58, 237, 0.4);
}
.aurora-feature:hover::before { opacity: 1; }
.aurora-feature > * { position: relative; z-index: 1; }

.aurora-feature__icon {
    width: 48px; height: 48px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--aurora-blob-a), var(--aurora-blob-c));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    box-shadow: 0 8px 24px -8px var(--aurora-blob-a);
}
.aurora-feature__title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px;
    letter-spacing: -0.01em;
}
.aurora-feature__desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.aurora-feature__arrow {
    display: inline-flex;
    align-items: center;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--surface-glass-strong);
    color: var(--text-muted);
    justify-content: center;
    transition: background 0.3s, color 0.3s, transform 0.3s var(--ease-spring);
}
.aurora-feature:hover .aurora-feature__arrow {
    background: var(--aurora-accent);
    color: #fff;
    transform: translateX(4px);
}

/* ============================================================
 * Article Card
 * ============================================================ */
.aurora-article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}
@media (min-width: 640px) { .aurora-article-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .aurora-article-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; } }

.aurora-article-card {
    border-radius: var(--r-xl);
    overflow: hidden;
    background: var(--surface-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-glass);
    transition: transform 0.35s var(--ease-spring), border 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}
.aurora-article-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glass-strong);
    box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.6);
}
.aurora-article-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.aurora-article-card__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}
.aurora-article-card:hover .aurora-article-card__media img { transform: scale(1.04); }
.aurora-article-card__media-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.4));
}
.aurora-article-card__body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.aurora-article-card__meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 12px;
}
.aurora-article-card__title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.35;
    margin: 0 0 10px;
    letter-spacing: -0.01em;
}
.aurora-article-card__title a:hover { color: var(--aurora-accent); }
.aurora-article-card__excerpt {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================
 * CTA card (首页底部)
 * ============================================================ */
.aurora-section--cta { padding-top: 40px; }
.aurora-cta-card {
    position: relative;
    padding: 56px 32px;
    border-radius: var(--r-2xl);
    text-align: center;
    background: linear-gradient(135deg,
        rgba(124, 58, 237, 0.18),
        rgba(236, 72, 153, 0.14));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-glass-strong);
    overflow: hidden;
}
.aurora-cta-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, var(--aurora-blob-a), var(--aurora-blob-c));
    border-radius: inherit;
    z-index: -1;
    opacity: 0.4;
    filter: blur(40px);
}
.aurora-cta-card__title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 12px;
}
.aurora-cta-card__subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 28px;
}

/* ============================================================
 * Page head (category / page)
 * ============================================================ */
.aurora-page-head {
    padding: 80px 0 40px;
    text-align: center;
}
@media (min-width: 768px) { .aurora-page-head { padding: 120px 0 48px; } }

.aurora-breadcrumb {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.aurora-breadcrumb a:hover { color: var(--text-primary); }

.aurora-page-head__title {
    font-family: var(--font-display);
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin: 0 0 16px;
}
.aurora-page-head__desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* ============================================================
 * Article 详情页
 * ============================================================ */
.aurora-article { padding-bottom: 80px; }

.aurora-article__head { padding: 80px 0 40px; text-align: center; }
@media (min-width: 768px) { .aurora-article__head { padding: 120px 0 48px; } }

.aurora-article__title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin: 16px 0 20px;
}
.aurora-article__lead {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 0 auto 24px;
}
.aurora-article__meta {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    display: inline-flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
}
.aurora-article__meta strong { color: var(--text-secondary); font-weight: 500; }

.aurora-article__cover {
    max-width: 1100px;
    margin: 0 auto 56px;
    padding: 0 var(--container-pad);
}
.aurora-article__cover img {
    width: 100%;
    border-radius: var(--r-xl);
    border: 1px solid var(--border-glass);
    box-shadow: 0 32px 80px -32px rgba(0, 0, 0, 0.7);
}

.aurora-glass-panel {
    max-width: 820px;
    margin: 0 auto;
    padding: 40px 32px;
    background: rgba(20, 20, 35, 0.6);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-glass-strong);
    border-radius: var(--r-xl);
}
@media (min-width: 768px) { .aurora-glass-panel { padding: 56px 56px; } }

.aurora-article__content {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-primary);
}
.aurora-article__content p { margin: 0 0 1.4em; }
.aurora-article__content h2,
.aurora-article__content h3,
.aurora-article__content h4 {
    font-family: var(--font-display);
    color: var(--text-primary);
    line-height: 1.25;
    margin: 1.8em 0 0.6em;
    letter-spacing: -0.01em;
}
.aurora-article__content h2 { font-size: 1.6em; font-weight: 700; }
.aurora-article__content h3 { font-size: 1.3em; font-weight: 600; }
.aurora-article__content h4 { font-size: 1.1em; font-weight: 600; }
.aurora-article__content a {
    color: var(--aurora-blob-c);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}
.aurora-article__content a:hover { color: var(--aurora-accent); }
.aurora-article__content ul,
.aurora-article__content ol { padding-left: 1.4em; margin: 1em 0 1.4em; }
.aurora-article__content li { margin-bottom: 0.5em; }
.aurora-article__content blockquote {
    margin: 1.6em 0;
    padding: 16px 20px;
    border-left: 3px solid var(--aurora-accent);
    background: var(--surface-glass);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    color: var(--text-secondary);
    font-style: italic;
}
.aurora-article__content code {
    padding: 2px 6px;
    background: var(--surface-glass-strong);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--aurora-blob-c);
}
.aurora-article__content pre {
    padding: 18px 20px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-glass);
    border-radius: var(--r-md);
    overflow-x: auto;
    font-size: 14px;
}
.aurora-article__content pre code {
    background: transparent; padding: 0; color: var(--text-primary);
}
.aurora-article__content img {
    max-width: 100%;
    border-radius: var(--r-md);
    border: 1px solid var(--border-glass);
    margin: 1.5em 0;
}

.aurora-article__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-glass);
}

.aurora-article-nav {
    max-width: 820px;
    margin: 40px auto 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
@media (min-width: 640px) { .aurora-article-nav { grid-template-columns: 1fr 1fr; } }

.aurora-article-nav__item {
    padding: 18px 22px;
    border-radius: var(--r-lg);
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    transition: background 0.2s, border 0.2s, transform 0.25s var(--ease-spring);
}
.aurora-article-nav__item:hover {
    background: var(--surface-glass-strong);
    border-color: var(--border-glass-strong);
    transform: translateY(-2px);
}
.aurora-article-nav__item--right { text-align: right; }
.aurora-article-nav__label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.aurora-article-nav__title {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================================
 * Pagination
 * ============================================================ */
.aurora-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 56px;
}
.aurora-pagination__link {
    padding: 8px 14px;
    border-radius: var(--r-md);
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    font-size: 14px;
    transition: background 0.2s;
}
.aurora-pagination__link:hover { background: var(--surface-glass-strong); }
.aurora-pagination__info {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================================
 * Empty
 * ============================================================ */
.aurora-empty {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
    font-size: 15px;
}

/* ============================================================
 * 404
 * ============================================================ */
.aurora-404 { padding: 120px 0; }
.aurora-404__inner { text-align: center; }

/* 极光毛玻璃艺术区 */
.aurora-404__art {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 36px;
}
.aurora-404__blob {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    pointer-events: none;
}
.aurora-404__blob--a {
    background: var(--aurora-blob-a);
    left: 50%;
    transform: translateX(-78%);
    animation: aurora-404-drift 9s var(--ease-out) infinite alternate;
}
.aurora-404__blob--b {
    background: var(--aurora-blob-c);
    left: 50%;
    transform: translateX(-22%);
    animation: aurora-404-drift 11s var(--ease-out) infinite alternate-reverse;
}
@keyframes aurora-404-drift {
    0% { transform: translate(-78%, -14px) scale(0.9); }
    100% { transform: translate(-58%, 16px) scale(1.1); }
}
.aurora-404__code {
    position: relative;
    font-family: var(--font-display);
    font-size: clamp(120px, 18vw, 200px);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    margin: 0;
}
.aurora-404__title {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    margin: 0 0 12px;
}
.aurora-404__desc {
    color: var(--text-secondary);
    margin: 0 auto 32px;
    max-width: 480px;
}
.aurora-404__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}
.aurora-404__popular {
    margin-top: 56px;
    padding-top: 36px;
    border-top: 1px solid var(--border-glass);
}
.aurora-404__links {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.aurora-404__links .aurora-tag {
    text-decoration: none;
    transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}
.aurora-404__links .aurora-tag:hover {
    transform: translateY(-2px);
    background: var(--surface-glass-strong);
    color: var(--text-primary);
}

/* ============================================================
 * Footer
 * ============================================================ */
.aurora-footer {
    margin-top: 80px;
    padding: 64px 0 40px;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.4));
    border-top: 1px solid var(--border-glass);
    position: relative;
    z-index: 1;
}
.aurora-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad);
}
.aurora-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}
@media (min-width: 768px) {
    .aurora-footer__grid { grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
}
.aurora-footer__desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 380px;
    margin: 16px 0 0;
}
.aurora-logo--footer { margin-bottom: 8px; }
.aurora-footer__title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin: 0 0 16px;
    color: var(--text-primary);
}
.aurora-footer__list { list-style: none; padding: 0; margin: 0; }
.aurora-footer__list li { margin-bottom: 10px; }
.aurora-footer__list a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.2s;
}
.aurora-footer__list a:hover { color: var(--text-primary); }
.aurora-footer__bottom {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-glass);
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================================
 * 富文本兼容 (Tiptap 基础类)
 * ============================================================ */
.aurora-article__content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 14px;
}
.aurora-article__content th,
.aurora-article__content td {
    padding: 10px 14px;
    border: 1px solid var(--border-glass);
    text-align: left;
}
.aurora-article__content th {
    background: var(--surface-glass);
    font-weight: 600;
}
.aurora-article__content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glass-strong), transparent);
    margin: 2em 0;
}

/* CMS Table Mobile Fix v1 — 富文本表格窄屏横滚 */
@media (max-width: 960px) {
  .aurora-article__content table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .aurora-article__content table > tbody { display: table; width: 100%; min-width: 560px; border-collapse: collapse; }
}

/* CMS Rich-text Overflow Fix — 长 URL/长串就地断行，防撑破正文（表格横滚见上方 Table Mobile Fix） */
.aurora-article__content { overflow-wrap: break-word; }