/* ============================================================
   纳智云 redesign-v2 · Modern AI Tech 设计语言
   参考: Vercel / Anthropic / Linear / Modal
   - 巨型 statement 字体(Geist)
   - 大量呼吸留白
   - 渐变球光斑 + HUD 网格
   - 玻璃质感 + SVG line icon
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* === 背景色阶(深空) === */
    --bg-deep: #07080C;        /* 主底,最深 */
    --bg-page: #0B0D14;        /* section 二级背景 */
    --bg-card: rgba(20, 23, 33, 0.5);    /* 玻璃卡片底 */
    --bg-card-solid: #131722;            /* 不透明卡片 */
    --bg-elev: rgba(28, 32, 46, 0.7);    /* hover 提升 */
    --bg-glass: rgba(255, 255, 255, 0.02);

    /* === 文字 === */
    --text-1: #FFFFFF;
    --text-2: rgba(255, 255, 255, 0.78);
    --text-3: rgba(255, 255, 255, 0.55);
    --text-4: rgba(255, 255, 255, 0.32);

    /* === 边框 === */
    --border-soft: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    --border-glow: rgba(127, 156, 245, 0.32);

    /* === 强调色 - 蓝紫渐变(Linear/Vercel/Anthropic 风) === */
    --c-blue: #5B8DEF;
    --c-violet: #8B5CF6;
    --c-pink: #EC4899;
    --c-cyan: #06B6D4;
    --c-green: #10B981;
    --gradient-1: linear-gradient(135deg, #5B8DEF 0%, #8B5CF6 50%, #EC4899 100%);
    --gradient-2: linear-gradient(135deg, #06B6D4 0%, #5B8DEF 100%);
    --gradient-radial: radial-gradient(circle, #8B5CF6 0%, #5B8DEF 50%, transparent 70%);

    /* 兼容旧变量映射 */
    --accent-orange: var(--c-blue);
    --accent-lime: var(--c-violet);
    --accent-violet: var(--c-violet);
    --accent-rust: var(--c-cyan);
    --accent-cyan: var(--c-blue);
    --brand-1: var(--c-blue);
    --brand-2: var(--c-violet);
    --brand-gradient: var(--gradient-1);
    --accent-cyan-soft: rgba(91, 141, 239, 0.16);
    --accent-violet-soft: rgba(139, 92, 246, 0.16);
    --accent-orange-soft: rgba(91, 141, 239, 0.16);
    --accent-lime-soft: rgba(139, 92, 246, 0.14);

    /* === 字号 === */
    --fs-display: 88px;        /* hero statement */
    --fs-h1: 64px;
    --fs-h2: 44px;
    --fs-h3: 22px;
    --fs-h4: 18px;
    --fs-lead: 19px;           /* hero subtitle */
    --fs-body: 16px;
    --fs-small: 14px;
    --fs-mini: 12px;

    /* === 间距(更大留白) === */
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;
    --sp-20: 96px;
    --sp-24: 128px;
    --sp-32: 192px;            /* section 间距 */
    --sp-40: 240px;            /* hero 上下 */

    /* === 圆角 === */
    --r-sm: 6px;
    --r-md: 12px;
    --r-lg: 20px;
    --r-xl: 32px;

    /* === 容器 === */
    --container: 1200px;
    --container-wide: 1360px;

    /* === 字体 === */
    --ff-display: 'Inter Tight', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    --ff-sans: 'Inter Tight', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    --ff-serif: var(--ff-display);
    --ff-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { font-size: var(--fs-body); line-height: 1.5; scroll-behavior: smooth; }

body {
    min-height: 100vh;
    background: var(--bg-deep);
    color: var(--text-1);
    font-family: var(--ff-sans);
    font-weight: 400;
    font-feature-settings: 'cv11', 'ss01';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
    letter-spacing: -0.01em;
}

/* 全局渐变球光斑(固定位置) */
body::before {
    content: '';
    position: fixed;
    top: -10vh; left: -10vw;
    width: 60vw; height: 60vh;
    background: radial-gradient(circle, rgba(91, 141, 239, 0.20), rgba(139, 92, 246, 0.10) 30%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    animation: orb-1 24s ease-in-out infinite;
}
body::after {
    content: '';
    position: fixed;
    bottom: -15vh; right: -10vw;
    width: 55vw; height: 55vh;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.16), rgba(139, 92, 246, 0.08) 30%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    animation: orb-2 28s ease-in-out infinite;
}
@keyframes orb-1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(8vw, 6vh); }
}
@keyframes orb-2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-6vw, -8vh); }
}

main, header, footer { position: relative; z-index: 2; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 500; line-height: 1.05; letter-spacing: -0.025em; font-family: var(--ff-display); }

::selection { background: var(--c-violet); color: var(--text-1); }

/* === Layout 工具类 === */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--sp-6); }
.container-wide { width: 100%; max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--sp-6); }
.section { padding: var(--sp-32) 0; }
.section-tight { padding: var(--sp-20) 0; }

.grid { display: grid; gap: var(--sp-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: var(--sp-2); } .gap-4 { gap: var(--sp-4); } .gap-6 { gap: var(--sp-6); }

.text-center { text-align: center; }
.text-brand { background: var(--gradient-1); -webkit-background-clip: text; background-clip: text; color: transparent; }
.text-mute { color: var(--text-3); }
.text-mono { font-family: var(--ff-mono); }

/* === Typography === */
.h1 {
    font-family: var(--ff-display);
    font-size: var(--fs-h1);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 0.95;
}
.h2 {
    font-family: var(--ff-display);
    font-size: var(--fs-h2);
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1;
}
.h3 {
    font-family: var(--ff-display);
    font-size: var(--fs-h3);
    font-weight: 500;
    letter-spacing: -0.02em;
}
.h4 {
    font-family: var(--ff-display);
    font-size: var(--fs-h4);
    font-weight: 500;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-2);
    margin-bottom: var(--sp-6);
    font-weight: 500;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-violet);
    box-shadow: 0 0 12px var(--c-violet);
}

/* === Navbar === */
.td-navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 64px;
    z-index: 100;
    background: rgba(7, 8, 12, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition: border-color .25s ease;
}
.td-navbar.scrolled { border-bottom-color: var(--border-soft); }
.td-navbar-inner {
    max-width: var(--container-wide);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--sp-6);
    display: flex;
    align-items: center;
    gap: var(--sp-8);
}
.td-navbar-logo img {
    height: 22px;
    filter: brightness(0) invert(1);
}
.td-navbar-nav { flex: 1; display: flex; align-items: center; gap: var(--sp-8); }
.td-navbar-nav-item {
    font-family: var(--ff-sans);
    font-size: 14px;
    color: var(--text-2);
    cursor: pointer;
    padding: 6px 0;
    transition: color .15s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}
.td-navbar-nav-item:hover,
.td-navbar-nav-item.active { color: var(--text-1); }
.td-navbar-nav-item .ext-icon { font-size: 10px; color: var(--text-4); }
.td-navbar-nav-group { position: relative; }
.td-navbar-nav-group .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    transform: translateY(12px);
    background: rgba(15, 18, 28, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    padding: 6px;
    min-width: 200px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}
.td-navbar-nav-group:hover .dropdown { opacity: 1; pointer-events: auto; transform: translateY(8px); }
.dropdown a {
    display: block;
    padding: 10px 12px;
    color: var(--text-2);
    border-radius: var(--r-sm);
    font-size: 14px;
    transition: all .15s ease;
}
.dropdown a:hover { color: var(--text-1); background: rgba(255, 255, 255, 0.04); }
.td-navbar-actions { display: flex; align-items: center; gap: var(--sp-3); margin-left: auto; }
.td-navbar-btn {
    display: inline-flex; align-items: center; justify-content: center;
    height: 34px; padding: 0 16px;
    font-size: 13px; font-weight: 500;
    border-radius: var(--r-sm);
    transition: all .15s ease;
    white-space: nowrap;
    font-family: var(--ff-sans);
}
.td-navbar-btn-ghost { color: var(--text-2); }
.td-navbar-btn-ghost:hover { color: var(--text-1); background: var(--bg-glass); }
.td-navbar-btn-primary {
    color: var(--bg-deep);
    background: var(--text-1);
    font-weight: 600;
}
.td-navbar-btn-primary:hover { background: var(--c-blue); color: var(--text-1); }

/* === Button === */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 10px;
    height: 48px; padding: 0 24px;
    font-size: 14px; font-weight: 500;
    border-radius: var(--r-sm);
    transition: all .2s cubic-bezier(.2, .8, .2, 1);
    white-space: nowrap;
    font-family: var(--ff-sans);
}
.btn-primary {
    color: var(--bg-deep);
    background: var(--text-1);
    font-weight: 600;
    position: relative;
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.08);
}
.btn-primary::after { content: '→'; transition: transform .25s ease; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(91, 141, 239, 0.3); }
.btn-primary:hover::after { transform: translateX(4px); }
.btn-ghost {
    color: var(--text-1);
    border: 1px solid var(--border-hover);
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.btn-ghost:hover {
    border-color: var(--c-blue);
    background: rgba(91, 141, 239, 0.08);
    transform: translateY(-2px);
}
.btn-lg { height: 56px; padding: 0 32px; font-size: 15px; }

/* === Card · 玻璃质感 === */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-8);
    transition: all .3s cubic-bezier(.2, .8, .2, 1);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.04), transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity .3s ease;
}
.card:hover::before { opacity: 1; }
.card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    background: var(--bg-elev);
    box-shadow:
      0 0 0 1px rgba(91, 141, 239, 0.16),
      0 24px 60px rgba(91, 141, 239, 0.12),
      0 4px 16px rgba(0, 0, 0, 0.4);
}
a.card { color: inherit; }

/* === Hero (Apple keynote scale) === */
.hero {
    position: relative;
    padding: var(--sp-40) 0 var(--sp-32);
    text-align: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 40% at 50% 0%, rgba(139, 92, 246, 0.20), transparent 60%),
        radial-gradient(ellipse 30% 30% at 80% 50%, rgba(91, 141, 239, 0.18), transparent 60%);
    z-index: 0;
    pointer-events: none;
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 50% 50% at 50% 30%, #000 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 30%, #000 30%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
    font-family: var(--ff-display);
    font-size: clamp(44px, 6.5vw, var(--fs-display));
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.04em;
    margin-bottom: var(--sp-8);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.hero h1 br { line-height: inherit; }
.hero h1 .accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 500;
}
.hero p.sub {
    font-family: var(--ff-sans);
    font-size: var(--fs-lead);
    color: var(--text-2);
    max-width: 640px;
    margin: 0 auto var(--sp-10);
    line-height: 1.5;
    font-weight: 400;
    letter-spacing: -0.015em;
}
.hero-cta { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

/* === Metrics === */
.metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}
.metric {
    padding: var(--sp-12) var(--sp-6);
    position: relative;
    border-right: 1px solid var(--border-soft);
}
.metric:last-child { border-right: 0; }
.metric-value {
    font-family: var(--ff-display);
    font-size: 56px;
    font-weight: 500;
    letter-spacing: -0.045em;
    line-height: 1;
    margin-bottom: var(--sp-3);
    color: var(--text-1);
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.metric-label {
    font-family: var(--ff-sans);
    font-size: 13px;
    color: var(--text-3);
    letter-spacing: 0;
    font-weight: 400;
}
@media (max-width: 720px) {
    .metrics { grid-template-columns: repeat(2, 1fr); }
    .metric { border-right: 0; border-bottom: 1px solid var(--border-soft); padding: var(--sp-8); }
    .metric-value { font-size: 40px; }
}

/* === Capability card === */
.capability-card { padding: var(--sp-8); }
.capability-icon {
    width: 48px; height: 48px;
    border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    margin-bottom: var(--sp-6);
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.15), rgba(139, 92, 246, 0.15));
    border: 1px solid var(--border-soft);
    color: var(--text-1);
}
.capability-list {
    margin-top: var(--sp-6);
    padding-top: var(--sp-6);
    border-top: 1px solid var(--border-soft);
    font-size: 14px;
    color: var(--text-2);
}
.capability-list li {
    padding: 6px 0; padding-left: 22px;
    position: relative;
}
.capability-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 14px;
    width: 8px; height: 1px;
    background: var(--c-blue);
}

/* === 架构图 === */
.arch-stack {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-8);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.arch-row {
    display: flex; align-items: center; gap: var(--sp-6);
    padding: var(--sp-4) var(--sp-4);
    border-radius: var(--r-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-soft);
}
.arch-label {
    flex: 0 0 100px;
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--text-3);
    text-align: right;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.arch-blocks { flex: 1; display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.arch-block {
    padding: 8px 14px;
    border-radius: var(--r-sm);
    background: transparent;
    border: 1px solid var(--border-soft);
    font-size: 13px;
    color: var(--text-2);
    transition: all .2s ease;
}
.arch-block:hover {
    border-color: var(--c-blue);
    color: var(--c-blue);
    background: rgba(91, 141, 239, 0.06);
}
.arch-block-strong {
    background: rgba(91, 141, 239, 0.10);
    border-color: var(--c-blue);
    color: var(--text-1);
    font-weight: 500;
}

/* === Footer === */
.td-footer {
    background: rgba(7, 8, 12, 0.6);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-soft);
    padding: var(--sp-20) 0 var(--sp-8);
    color: var(--text-3);
    font-size: 14px;
    position: relative;
    z-index: 2;
}
.td-footer-inner { max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--sp-6); }
.td-footer-grid { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: var(--sp-12); margin-bottom: var(--sp-12); }
.td-footer-brand img {
    height: 24px;
    margin-bottom: var(--sp-4);
    filter: brightness(0) invert(1);
    opacity: 0.85;
}
.td-footer-brand p {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.6;
    max-width: 320px;
}
.td-footer-col h5 {
    color: var(--text-1);
    font-family: var(--ff-sans);
    font-size: 13px;
    margin-bottom: var(--sp-4);
    font-weight: 600;
}
.td-footer-col a {
    display: block;
    padding: 6px 0;
    color: var(--text-3);
    transition: color .15s ease;
    font-size: 14px;
}
.td-footer-col a:hover { color: var(--text-1); }
.td-footer-bottom {
    border-top: 1px solid var(--border-soft);
    padding-top: var(--sp-6);
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: var(--sp-4);
    color: var(--text-4);
    font-size: 13px;
}

/* === Animation utilities === */
.fade-in-up { opacity: 0; transform: translateY(32px); transition: opacity .8s cubic-bezier(.2, .8, .2, 1), transform .8s cubic-bezier(.2, .8, .2, 1); }
.fade-in-up.in { opacity: 1; transform: translateY(0); }
@keyframes hero-rise {
    from { opacity: 0; transform: translateY(48px); filter: blur(12px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}
.hero h1 { animation: hero-rise 1.2s cubic-bezier(.2, .8, .2, 1) both; }
.hero p.sub { animation: hero-rise 1.2s cubic-bezier(.2, .8, .2, 1) 0.15s both; }
.hero-cta { animation: hero-rise 1.2s cubic-bezier(.2, .8, .2, 1) 0.3s both; }

/* === Tag === */
.tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--bg-glass);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-3);
}

/* === Notice bar === */
.notice-bar {
    position: fixed;
    top: 64px; left: 0; right: 0;
    z-index: 90;
    padding: 8px var(--sp-6);
    text-align: center;
    background: rgba(91, 141, 239, 0.10);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-soft);
    color: var(--c-blue);
    font-size: 12px;
    font-weight: 500;
}

/* === Filter panel === */
.filter-panel {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-6) var(--sp-8);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}
.filter-row { display: flex; align-items: center; gap: var(--sp-4); }
.filter-label {
    flex: 0 0 88px;
    color: var(--text-3);
    font-size: 13px;
    font-weight: 500;
}
.filter-chips { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; }
.chip {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 64px; height: 30px; padding: 0 14px;
    font-size: 13px; font-weight: 500;
    border-radius: var(--r-sm);
    border: 1px solid var(--border-soft);
    background: var(--bg-glass);
    color: var(--text-2);
    cursor: pointer;
    transition: all .15s ease;
    font-family: var(--ff-sans);
}
.chip:hover { border-color: var(--c-blue); color: var(--c-blue); }
.chip.active {
    background: var(--c-blue);
    border-color: var(--c-blue);
    color: var(--text-1);
}
.check-chip {
    display: inline-flex; align-items: center; gap: 6px;
    height: 30px; padding: 0 10px;
    font-size: 13px; color: var(--text-2);
    cursor: pointer; user-select: none;
}
.check-chip input[type="checkbox"] {
    width: 14px; height: 14px;
    accent-color: var(--c-blue);
    cursor: pointer;
}

/* === GPU cards === */
.gpu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
    margin-top: var(--sp-4);
}
.gpu-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    transition: all .2s ease;
}
.gpu-card:hover {
    border-color: var(--c-blue);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(91, 141, 239, 0.12), 0 12px 32px rgba(91, 141, 239, 0.10);
}
.gpu-card-head { padding-bottom: var(--sp-2); }
.gpu-card-title {
    font-family: var(--ff-display);
    font-size: 22px;
    font-weight: 500;
    color: var(--text-1);
    margin: 0;
    letter-spacing: -0.02em;
}
.gpu-card-title .gpu-card-mem {
    font-family: var(--ff-mono);
    font-size: 14px;
    color: var(--text-3);
    margin-left: 4px;
}
.gpu-card-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4) var(--sp-6);
    padding-bottom: var(--sp-4);
    border-bottom: 1px dashed var(--border-soft);
}
.spec-col { display: flex; flex-direction: column; gap: 6px; }
.spec-row { display: flex; gap: 8px; font-size: 13px; align-items: baseline; }
.spec-label { color: var(--text-4); flex-shrink: 0; }
.spec-value { color: var(--text-1); }
.gpu-card-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); }
.gpu-price {
    display: inline-flex; align-items: baseline; gap: 4px;
    color: var(--text-3); font-size: 12px;
    font-family: var(--ff-mono);
}
.gpu-price-value {
    font-family: var(--ff-display);
    font-size: 28px;
    font-weight: 600;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.025em;
}
.gpu-price-unit { color: var(--text-3); font-family: var(--ff-mono); font-size: 13px; }
.btn-buy {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 16px;
    background: var(--text-1);
    color: var(--bg-deep);
    border-radius: var(--r-sm);
    font-size: 13px; font-weight: 600;
    transition: all .15s ease;
}
.btn-buy::after { content: '→'; font-size: 12px; transition: transform .2s ease; }
.btn-buy:hover { background: var(--c-blue); color: var(--text-1); }
.btn-buy:hover::after { transform: translateX(3px); }
.btn-soldout {
    display: inline-flex; align-items: center;
    padding: 7px 16px;
    background: transparent;
    color: var(--text-4);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    font-size: 13px;
    cursor: not-allowed;
}

/* GPU table */
.gpu-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 960px; font-size: 13px; }
.gpu-table thead tr { background: rgba(255, 255, 255, 0.02); }
.gpu-table th {
    padding: 14px;
    text-align: left;
    color: var(--text-3);
    font-weight: 500;
    font-size: 12px;
    border-bottom: 1px solid var(--border-soft);
}
.gpu-table td {
    padding: 14px;
    border-bottom: 1px solid var(--border-soft);
    color: var(--text-2);
}
.gpu-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

.empty-state {
    padding: 80px 32px;
    text-align: center;
    color: var(--text-3);
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    border: 1px dashed var(--border-soft);
    border-radius: var(--r-md);
    font-size: 16px;
}

/* === Image hub === */
.image-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-6); flex-wrap: wrap; margin-bottom: var(--sp-6); }
.image-search { display: flex; align-items: center; gap: var(--sp-2); }
.image-search input {
    width: 280px;
    height: 36px;
    padding: 0 14px;
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    font: inherit;
    font-size: 13px;
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    color: var(--text-1);
    outline: none;
    transition: border-color .15s ease;
}
.image-search input:focus { border-color: var(--c-blue); }
.image-search input::placeholder { color: var(--text-4); }
.btn-search {
    height: 36px; padding: 0 20px;
    background: var(--text-1);
    color: var(--bg-deep);
    border-radius: var(--r-sm);
    font-size: 13px; font-weight: 600;
    cursor: pointer;
}
.btn-search:hover { background: var(--c-blue); color: var(--text-1); }

.image-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
}
.image-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    transition: all .2s ease;
}
.image-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(91, 141, 239, 0.1), 0 12px 32px rgba(0, 0, 0, 0.3);
}
.image-card-head { display: flex; gap: var(--sp-3); align-items: flex-start; }
.image-card-icon {
    flex-shrink: 0;
    width: 40px; height: 40px;
    border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 14px;
    color: var(--text-1);
    background: linear-gradient(135deg, var(--c-blue), var(--c-violet));
}
.image-card-info { flex: 1; min-width: 0; }
.image-card-title-row { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-2); }
.image-card-title {
    font-family: var(--ff-sans);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-1);
    margin: 0;
    line-height: 1.3;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.image-card-downloads {
    flex-shrink: 0;
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--text-3);
}
.image-card-time {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--text-4);
    margin-top: 4px;
}
.image-card-tags { display: flex; gap: var(--sp-2); flex-wrap: wrap; min-height: 22px; }
.img-tag {
    display: inline-block;
    padding: 2px 9px;
    border-radius: var(--r-sm);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.img-tag-qwen { background: rgba(139, 92, 246, 0.16); color: #C4B5FD; }
.img-tag-llm { background: rgba(91, 141, 239, 0.16); color: #93C5FD; }
.img-tag-deepseek { background: rgba(6, 182, 212, 0.16); color: #67E8F9; }
.img-tag-aidd { background: rgba(139, 92, 246, 0.16); color: #C4B5FD; }
.img-tag-comfyui { background: rgba(236, 72, 153, 0.16); color: #F9A8D4; }
.img-tag-routonface { background: rgba(236, 72, 153, 0.16); color: #F9A8D4; }
.img-tag-框架 { background: rgba(16, 185, 129, 0.16); color: #6EE7B7; }
.img-tag-推理 { background: rgba(91, 141, 239, 0.16); color: #93C5FD; }
.img-tag-微调 { background: rgba(16, 185, 129, 0.16); color: #6EE7B7; }
.img-tag-其他 { background: var(--bg-glass); color: var(--text-3); }

.image-card-foot {
    display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3);
    padding-top: var(--sp-3);
    border-top: 1px solid var(--border-soft);
}
.image-card-publisher { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-3); }
.publisher-icon {
    width: 14px; height: 14px;
    border-radius: 3px;
    display: flex; align-items: center; justify-content: center;
    font-size: 8px; font-weight: 600;
    color: var(--text-1);
}
.image-card-actions { display: flex; gap: 6px; }
.btn-detail {
    padding: 5px 12px;
    border: 1px solid var(--border-soft);
    background: var(--bg-glass);
    border-radius: var(--r-sm);
    color: var(--text-2);
    font-size: 11px; font-weight: 500;
    transition: all .15s ease;
}
.btn-detail:hover { border-color: var(--text-1); color: var(--text-1); }
.btn-deploy {
    padding: 5px 12px;
    background: var(--text-1);
    color: var(--bg-deep);
    border-radius: var(--r-sm);
    font-size: 11px; font-weight: 600;
    transition: all .15s ease;
}
.btn-deploy:hover { background: var(--c-blue); color: var(--text-1); }

.icon-qwen { background: linear-gradient(135deg, #8B5CF6, #C4B5FD); }
.icon-deepseek { background: linear-gradient(135deg, #06B6D4, #5B8DEF); }
.icon-comfyui { background: linear-gradient(135deg, #EC4899, #F472B6); color: var(--bg-deep); }
.icon-meta { background: linear-gradient(135deg, #5B8DEF, #1E50E5); }
.icon-z { background: var(--text-1); color: var(--bg-deep); }
.icon-dark { background: rgba(255, 255, 255, 0.1); border: 1px solid var(--border-soft); }
.icon-jing { background: linear-gradient(135deg, #EC4899, #FB7185); }
.icon-aidd { background: linear-gradient(135deg, #5B8DEF, #8B5CF6); }
.icon-pytorch { background: linear-gradient(135deg, #EE4C2C, #F97316); }
.icon-llama { background: linear-gradient(135deg, #10B981, #84CC16); color: var(--bg-deep); }

/* === Console layout (裸金属) === */
.console-layout { display: flex; min-height: calc(100vh - 64px); padding-top: 64px; }
.console-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--bg-page);
    border-right: 1px solid var(--border-soft);
    padding: var(--sp-6) 0;
    overflow-y: auto;
    max-height: calc(100vh - 64px);
    position: sticky;
    top: 64px;
}
.sidebar-group { margin-bottom: var(--sp-4); }
.sidebar-group-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 24px;
    color: var(--text-1);
    font-size: 13px; font-weight: 600;
    cursor: pointer;
}
.sidebar-caret { color: var(--text-4); font-size: 10px; }
.sidebar-list { padding: 4px 0; }
.sidebar-item {
    display: block;
    padding: 9px 24px 9px 36px;
    color: var(--text-3);
    font-size: 13px;
    cursor: pointer;
    transition: all .15s ease;
    border-left: 2px solid transparent;
}
.sidebar-item:hover { color: var(--c-blue); background: rgba(91, 141, 239, 0.05); }
.sidebar-item.active { color: var(--c-blue); background: rgba(91, 141, 239, 0.06); border-left-color: var(--c-blue); font-weight: 500; }
.console-main {
    flex: 1;
    padding: var(--sp-16) var(--sp-12);
    display: flex; align-items: center; justify-content: center;
    min-height: calc(100vh - 64px);
}
.empty-bare { display: flex; align-items: center; gap: var(--sp-16); max-width: 1080px; width: 100%; flex-wrap: wrap; justify-content: center; }
.empty-bare-illu { flex-shrink: 0; opacity: 0.95; }
.empty-bare-text { flex: 1; min-width: 420px; }
.empty-bare-title {
    font-family: var(--ff-display);
    font-size: 28px;
    font-weight: 500;
    color: var(--text-1);
    margin: 0 0 var(--sp-12);
    line-height: 1.4;
}
.empty-bare-subtitle {
    font-size: 13px;
    color: var(--text-3);
    margin: 0 0 var(--sp-6);
    font-weight: 500;
}
.quick-steps { display: flex; align-items: flex-end; gap: var(--sp-2); margin-bottom: var(--sp-10); flex-wrap: wrap; }
.quick-step { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.step-label { font-size: 11px; color: var(--text-4); margin-bottom: 4px; }
.step-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px;
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    font-size: 13px;
    color: var(--text-1);
    white-space: nowrap;
}
.step-icon { color: var(--c-blue); font-size: 14px; }
.step-arrow { color: var(--text-4); font-size: 13px; align-self: center; padding-bottom: 4px; }
.empty-bare-actions { display: flex; gap: var(--sp-3); }

/* === Solutions / Plan page === */
.plan-hero { padding: 200px 0 100px; }
.plan-section-head { text-align: center; margin-bottom: var(--sp-16); position: relative; }
.plan-section-head .section-num {
    display: inline-block;
    font-family: var(--ff-mono);
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: var(--sp-3);
    letter-spacing: 0.08em;
}
.plan-section-head .h2 { margin-bottom: var(--sp-4); }
.plan-section-desc {
    max-width: 620px;
    margin: 0 auto;
    color: var(--text-3);
    font-size: 16px;
    line-height: 1.6;
}
.plan-block {
    margin-bottom: var(--sp-16);
    padding: var(--sp-12);
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    position: relative;
}
.plan-block-title {
    font-family: var(--ff-display);
    font-size: 32px;
    font-weight: 500;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--sp-3);
    letter-spacing: -0.025em;
}
.plan-block-intro {
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.7;
    max-width: 760px;
    margin-bottom: var(--sp-10);
}
.plan-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
.plan-feature-grid-3 { grid-template-columns: repeat(3, 1fr); }
.plan-feature {
    display: block;
    padding: var(--sp-6);
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    transition: all .2s ease;
}
.plan-feature:hover {
    border-color: var(--c-blue);
    transform: translateY(-2px);
    background: rgba(91, 141, 239, 0.05);
}
.plan-feature-title { font-family: var(--ff-display); font-size: 18px; font-weight: 500; color: var(--text-1); margin-bottom: var(--sp-2); }
.plan-feature-desc { color: var(--text-3); font-size: 14px; line-height: 1.6; margin-bottom: var(--sp-4); }
.plan-feature-more { font-family: var(--ff-mono); font-size: 11px; color: var(--c-blue); letter-spacing: 0.06em; text-transform: uppercase; }

.industry-tabs {
    display: flex; gap: var(--sp-2);
    margin-bottom: var(--sp-8);
    flex-wrap: wrap; justify-content: center;
    border-bottom: 1px solid var(--border-soft);
    padding-bottom: var(--sp-4);
}
.industry-tab {
    padding: 10px 24px;
    font-size: 14px;
    color: var(--text-3);
    border: none; background: transparent;
    cursor: pointer; position: relative;
    transition: color .2s ease;
}
.industry-tab:hover { color: var(--text-1); }
.industry-tab.active { color: var(--c-blue); font-weight: 600; }
.industry-tab.active::after {
    content: '';
    position: absolute; bottom: -17px; left: 24px; right: 24px;
    height: 2px;
    background: var(--gradient-1);
}
.industry-card {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-12);
}
.industry-card-title {
    font-family: var(--ff-display);
    font-size: 40px;
    font-weight: 500;
    color: var(--text-1);
    margin-bottom: var(--sp-8);
    letter-spacing: -0.025em;
}
.industry-list { list-style: none; padding: 0; margin: 0 0 var(--sp-8); display: flex; flex-direction: column; gap: var(--sp-4); }
.industry-list li { padding-left: 28px; position: relative; color: var(--text-2); line-height: 1.7; font-size: 15px; }
.industry-list li::before {
    content: '';
    position: absolute; left: 0; top: 12px;
    width: 12px; height: 1px;
    background: var(--c-blue);
}
.general-solutions { display: flex; flex-direction: column; gap: var(--sp-20); }
.general-row { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--sp-12); align-items: center; }
.general-row-reverse { grid-template-columns: 1fr 1.2fr; }
.general-row-reverse .general-visual { order: 2; }
.general-visual {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-6);
    overflow: hidden;
}
.general-visual svg { width: 100%; height: auto; display: block; }
.general-title {
    font-family: var(--ff-display);
    font-size: 40px;
    font-weight: 500;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--sp-4);
    letter-spacing: -0.025em;
}
.general-desc { color: var(--text-2); font-size: 16px; line-height: 1.7; margin-bottom: var(--sp-6); }

.plan-cta {
    text-align: center;
    padding: var(--sp-16) var(--sp-8);
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    position: relative;
    overflow: hidden;
}
.plan-cta::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: var(--gradient-1);
    border-radius: var(--r-lg);
    z-index: -1;
    opacity: 0.3;
    filter: blur(40px);
    pointer-events: none;
}
.plan-cta-eyebrow {
    position: relative;
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--c-blue);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
}
.plan-cta h2 { position: relative; margin-bottom: var(--sp-8); }
.plan-cta-actions { position: relative; display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

/* === Responsive === */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-6 { grid-template-columns: repeat(3, 1fr); }
    .image-grid { grid-template-columns: repeat(2, 1fr); }
    .gpu-grid { grid-template-columns: repeat(2, 1fr); }
    .plan-feature-grid, .plan-feature-grid-3 { grid-template-columns: 1fr; }
    .general-row, .general-row-reverse { grid-template-columns: 1fr; }
    .general-row-reverse .general-visual { order: 0; }
    .empty-bare { flex-direction: column; }
    .empty-bare-text { min-width: 0; text-align: center; }
    .quick-steps { justify-content: center; }
    .empty-bare-actions { justify-content: center; }
    :root {
        --fs-display: 64px;
        --fs-h1: 48px;
        --fs-h2: 36px;
        --fs-h3: 22px;
        --sp-32: 128px;
        --sp-40: 160px;
    }
}
@media (max-width: 720px) {
    .container, .container-wide { padding-left: var(--sp-4); padding-right: var(--sp-4); }
    .td-navbar-inner { padding: 0 var(--sp-4); gap: var(--sp-4); }
    .td-navbar-nav { display: none; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .grid-6 { grid-template-columns: repeat(2, 1fr); }
    .td-footer-grid { grid-template-columns: 1fr; gap: var(--sp-8); }
    .section { padding: var(--sp-20) 0; }
    .hero { padding: var(--sp-24) 0 var(--sp-16); }
    .image-grid, .gpu-grid { grid-template-columns: 1fr; }
    .image-toolbar { flex-direction: column; align-items: stretch; }
    .image-search { width: 100%; }
    .image-search input { flex: 1; width: auto; }
    .filter-row { flex-direction: column; align-items: flex-start; gap: var(--sp-2); }
    .filter-label { flex: none; }
    .console-layout { flex-direction: column; }
    .console-sidebar { width: 100%; max-height: none; position: relative; top: 0; border-right: none; border-bottom: 1px solid var(--border-soft); }
    .console-main { padding: var(--sp-6); min-height: auto; }
    .step-arrow { display: none; }
    .quick-steps { flex-direction: column; align-items: stretch; }
    .plan-block { padding: var(--sp-6); }
    .plan-block-title { font-size: 22px; }
    .industry-card { padding: var(--sp-6); }
    .industry-card-title { font-size: 28px; }
    .general-title { font-size: 28px; }
    :root {
        --fs-display: 40px;
        --fs-h1: 34px;
        --fs-h2: 26px;
        --fs-h3: 20px;
        --fs-h4: 16px;
    }
}

/* ============================================================
   Bento Box · 不规则卡片网格(Apple features 风)
   12 列网格,每 cell col-span 不同,内容独特
   ============================================================ */

.bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--sp-4);
}
.bento-cell {
    background: var(--bg-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: all .3s cubic-bezier(.2, .8, .2, 1);
    min-height: 240px;
}
.bento-cell::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(91, 141, 239, 0.05), transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: opacity .3s ease;
}
.bento-cell:hover::before { opacity: 1; }
.bento-cell:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow:
      0 0 0 1px rgba(91, 141, 239, 0.16),
      0 24px 60px rgba(91, 141, 239, 0.12),
      0 4px 16px rgba(0, 0, 0, 0.4);
}
a.bento-cell { color: inherit; cursor: pointer; }

/* Span 工具 */
.bento-w-3 { grid-column: span 3; }
.bento-w-4 { grid-column: span 4; }
.bento-w-5 { grid-column: span 5; }
.bento-w-6 { grid-column: span 6; }
.bento-w-7 { grid-column: span 7; }
.bento-w-8 { grid-column: span 8; }
.bento-w-9 { grid-column: span 9; }
.bento-w-12 { grid-column: span 12; }
.bento-h-2 { grid-row: span 2; min-height: 460px; }
.bento-h-1 { min-height: 220px; }

/* Cell content variants */
.bento-eyebrow {
    display: inline-block;
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: var(--sp-4);
}
.bento-title {
    font-family: var(--ff-display);
    font-size: 28px;
    font-weight: 500;
    color: var(--text-1);
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: var(--sp-3);
    position: relative;
}
.bento-desc {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: var(--sp-4);
    position: relative;
}
.bento-cta {
    margin-top: auto;
    font-family: var(--ff-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-blue);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
}
.bento-cta::after {
    content: '→';
    transition: transform .25s ease;
}
.bento-cell:hover .bento-cta::after { transform: translateX(4px); }

/* 大数字 cell */
.bento-bignum {
    font-family: var(--ff-display);
    font-size: clamp(80px, 8vw, 120px);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.05em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: var(--sp-4) 0 var(--sp-2);
}
.bento-bignum-sub {
    color: var(--text-3);
    font-size: 14px;
    margin-bottom: var(--sp-4);
}

/* SVG 容器(浮动右下) */
.bento-svg-bg {
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 70%;
    height: 70%;
    opacity: 0.6;
    pointer-events: none;
}
.bento-svg-bg svg { width: 100%; height: 100%; }

/* 代码块 cell */
.bento-code {
    font-family: var(--ff-mono);
    font-size: 12px;
    line-height: 1.7;
    color: var(--text-2);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    padding: var(--sp-4);
    margin: var(--sp-4) 0;
    overflow: hidden;
}
.bento-code .k { color: var(--c-violet); }
.bento-code .s { color: var(--c-blue); }
.bento-code .c { color: var(--text-4); }
.bento-code .n { color: #6EE7B7; }

/* 标签云 */
.bento-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin: var(--sp-4) 0;
}
.bento-tag {
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    font-size: 12px;
    color: var(--text-2);
    font-family: var(--ff-mono);
}

/* 引言 cell */
.bento-quote {
    font-family: var(--ff-display);
    font-size: 20px;
    line-height: 1.4;
    color: var(--text-1);
    font-weight: 400;
    letter-spacing: -0.015em;
    position: relative;
    padding-top: var(--sp-6);
}
.bento-quote::before {
    content: '"';
    position: absolute;
    top: -16px;
    left: 0;
    font-size: 80px;
    line-height: 1;
    color: var(--c-blue);
    opacity: 0.4;
    font-family: var(--ff-display);
}
.bento-quote-author {
    margin-top: var(--sp-4);
    font-size: 13px;
    color: var(--text-3);
    font-family: var(--ff-mono);
    letter-spacing: 0.04em;
}

/* GPU mini list (cell 内) */
.bento-gpu-mini {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    margin: var(--sp-4) 0;
}
.bento-gpu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    font-size: 13px;
    transition: all .15s ease;
}
.bento-gpu-row:hover {
    border-color: var(--c-blue);
    background: rgba(91, 141, 239, 0.06);
}
.bento-gpu-name { color: var(--text-1); font-weight: 500; }
.bento-gpu-price {
    font-family: var(--ff-mono);
    color: var(--c-blue);
    font-weight: 600;
}

/* Logo grid (镜像 cell) */
.bento-logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-2);
    margin: var(--sp-4) 0;
}
.bento-logo {
    aspect-ratio: 1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-2);
    transition: all .15s ease;
}
.bento-logo:hover {
    border-color: var(--c-blue);
    color: var(--c-blue);
    background: rgba(91, 141, 239, 0.06);
}

/* 状态点 / spinner */
.bento-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--text-2);
}
.bento-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-green);
    box-shadow: 0 0 12px var(--c-green);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* SVG 装饰图标 */
.bento-svg-decor {
    margin: var(--sp-4) 0;
}
.bento-svg-decor svg {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
}

@media (max-width: 1024px) {
    .bento { grid-template-columns: repeat(6, 1fr); }
    .bento-w-3 { grid-column: span 3; }
    .bento-w-4, .bento-w-5 { grid-column: span 3; }
    .bento-w-6, .bento-w-7, .bento-w-8, .bento-w-9 { grid-column: span 6; }
    .bento-h-2 { grid-row: auto; min-height: 320px; }
}
@media (max-width: 720px) {
    .bento { grid-template-columns: 1fr; gap: var(--sp-3); }
    .bento-w-3, .bento-w-4, .bento-w-5, .bento-w-6, .bento-w-7, .bento-w-8, .bento-w-9, .bento-w-12 { grid-column: span 1; }
    .bento-cell { min-height: 200px; padding: var(--sp-6); }
    .bento-h-2 { min-height: 220px; }
}

/* Brand logo grid (镜像 cell 横向 logo 墙) */
.brand-logo-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--sp-3);
    margin: var(--sp-6) 0;
}
.brand-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: var(--sp-4) var(--sp-2);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    transition: all .2s ease;
    aspect-ratio: 1;
}
.brand-logo:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}
.brand-logo svg { width: 28px; height: 28px; }
.brand-logo span {
    font-family: var(--ff-mono);
    font-size: 10px;
    color: var(--text-3);
    letter-spacing: 0.02em;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
}
@media (max-width: 1024px) {
    .brand-logo-grid { grid-template-columns: repeat(6, 1fr); }
}
@media (max-width: 720px) {
    .brand-logo-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Plan feature icon */
.plan-feature {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    cursor: pointer;
}
.plan-feature-icon {
    width: 36px;
    height: 36px;
    margin-bottom: var(--sp-3);
    color: var(--c-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    background: rgba(91, 141, 239, 0.06);
}
.plan-feature-icon svg { width: 18px; height: 18px; }
.plan-feature:hover .plan-feature-icon {
    color: var(--c-violet);
    border-color: var(--c-violet);
    background: rgba(139, 92, 246, 0.08);
}

/* ============================================================
   组件库展示页 (components.html)
   ============================================================ */

.components-layout {
    display: flex;
    gap: 0;
    min-height: 100vh;
    padding-top: 64px;
}
.components-nav {
    width: 220px;
    flex-shrink: 0;
    position: sticky;
    top: 64px;
    align-self: flex-start;
    height: calc(100vh - 64px);
    overflow-y: auto;
    border-right: 1px solid var(--border-soft);
    padding: var(--sp-10) var(--sp-6);
}
.components-nav-inner { display: flex; flex-direction: column; gap: 4px; }
.components-nav-title {
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-3);
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
}
.components-nav a {
    padding: 8px 12px;
    color: var(--text-3);
    font-size: 13px;
    border-radius: var(--r-sm);
    transition: all .15s ease;
}
.components-nav a:hover { color: var(--text-1); background: rgba(255, 255, 255, 0.04); }
.components-main {
    flex: 1;
    min-width: 0;
    padding: var(--sp-10) var(--sp-12) var(--sp-32);
    max-width: 1200px;
}

.comp-header { padding-bottom: var(--sp-12); border-bottom: 1px solid var(--border-soft); margin-bottom: var(--sp-16); }
.comp-header-eyebrow {
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--c-blue);
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
}
.comp-header-title { font-family: var(--ff-display); font-size: 56px; font-weight: 500; letter-spacing: -0.035em; margin-bottom: var(--sp-4); }
.comp-header-desc { color: var(--text-3); font-size: 16px; line-height: 1.6; max-width: 640px; }

.comp-section { margin-bottom: var(--sp-20); }
.comp-section-head { margin-bottom: var(--sp-10); }
.comp-section-num {
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--text-4);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--sp-2);
}
.comp-section-title { font-family: var(--ff-display); font-size: 34px; font-weight: 500; letter-spacing: -0.025em; margin-bottom: var(--sp-3); }
.comp-section-desc { color: var(--text-3); font-size: 15px; line-height: 1.6; max-width: 600px; }

.comp-block { margin-bottom: var(--sp-8); }
.comp-label {
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-4);
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
}
.comp-demo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    flex-wrap: wrap;
    padding: var(--sp-6);
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
}
.comp-demo-vert { flex-direction: column; align-items: stretch; gap: var(--sp-4); }

/* Foundation - swatches */
.swatch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: var(--sp-4); padding: 0; background: transparent; border: none; }
.swatch { display: flex; flex-direction: column; gap: 6px; }
.swatch-box { height: 56px; border-radius: var(--r-sm); }
.swatch code { font-family: var(--ff-mono); font-size: 11px; color: var(--text-2); }
.swatch span { font-family: var(--ff-mono); font-size: 11px; color: var(--text-4); }

.font-grid { display: flex; flex-direction: column; gap: var(--sp-4); padding: 0; background: transparent; border: none; }
.font-item { padding: var(--sp-5); background: var(--bg-card); border: 1px solid var(--border-soft); border-radius: var(--r-md); }
.font-sample { display: block; margin-bottom: 8px; color: var(--text-1); }
.font-item code { font-family: var(--ff-mono); font-size: 12px; color: var(--text-3); }

.type-scale { display: flex; flex-direction: column; gap: var(--sp-3); padding: 0; background: transparent; border: none; }
.type-item { display: flex; align-items: baseline; gap: var(--sp-4); padding: 12px 16px; border-bottom: 1px solid var(--border-soft); }
.type-sample { color: var(--text-1); font-family: var(--ff-display); font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.type-item code { font-family: var(--ff-mono); font-size: 11px; color: var(--text-4); margin-left: auto; }

.radius-grid { display: flex; gap: var(--sp-4); flex-wrap: wrap; padding: 0; background: transparent; border: none; }
.radius-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.radius-box { width: 80px; height: 80px; background: linear-gradient(135deg, #5B8DEF, #8B5CF6); }
.radius-item code { font-family: var(--ff-mono); font-size: 11px; color: var(--text-3); }

/* Buttons - small variants */
.btn-sm {
    display: inline-flex; align-items: center; justify-content: center;
    height: 30px; padding: 0 14px;
    font-size: 13px; font-weight: 500;
    border-radius: var(--r-sm);
    transition: all .15s ease;
    font-family: var(--ff-sans);
    cursor: pointer;
    border: 1px solid transparent;
}
.btn-sm-primary { background: var(--text-1); color: var(--bg-deep); }
.btn-sm-primary:hover { background: var(--c-blue); color: var(--text-1); }
.btn-sm-ghost { color: var(--text-2); border-color: var(--border-soft); background: transparent; }
.btn-sm-ghost:hover { border-color: var(--text-1); color: var(--text-1); }
.btn-sm-soldout { color: var(--text-4); border-color: var(--border-soft); cursor: not-allowed; }

.btn[disabled], .btn-sm[disabled] { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

.icon-btn {
    width: 34px; height: 34px;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    color: var(--text-2);
    cursor: pointer;
    transition: all .15s ease;
}
.icon-btn:hover { border-color: var(--text-1); color: var(--text-1); }
.icon-btn svg { width: 16px; height: 16px; }
.icon-btn-primary { background: var(--c-blue); border-color: var(--c-blue); color: var(--text-1); }
.icon-btn-primary:hover { background: var(--c-violet); border-color: var(--c-violet); }

.text-link {
    color: var(--c-blue);
    font-size: 13px;
    transition: color .15s ease;
    cursor: pointer;
}
.text-link + .text-link { margin-left: var(--sp-3); }
.text-link:hover { color: var(--c-violet); }
.text-link-danger { color: #F87171; }
.text-link-danger:hover { color: #FCA5A5; }

/* Inputs */
.input, .textarea, .select {
    width: 100%;
    height: 38px;
    padding: 0 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    color: var(--text-1);
    font: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color .15s ease, background .15s ease;
    font-family: var(--ff-sans);
}
.input::placeholder, .textarea::placeholder { color: var(--text-4); }
.input:focus, .textarea:focus, .select:focus { border-color: var(--c-blue); background: rgba(91, 141, 239, 0.04); }
.input:disabled, .textarea:disabled { opacity: 0.5; cursor: not-allowed; }
.textarea { height: auto; padding: 10px 14px; line-height: 1.6; resize: vertical; min-height: 80px; }
.input-mini { width: 56px; height: 28px; text-align: center; padding: 0 8px; }

.input-group { display: inline-flex; align-items: center; }
.input-group .input { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-suffix {
    height: 38px;
    padding: 0 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-left: 0;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    color: var(--text-3);
    font-family: var(--ff-mono);
}

.stepper {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
}
.stepper button {
    width: 32px; height: 36px;
    color: var(--text-2);
    cursor: pointer;
    transition: all .15s ease;
    background: transparent;
}
.stepper button:hover { background: rgba(91, 141, 239, 0.1); color: var(--c-blue); }
.stepper input {
    width: 56px; height: 36px;
    background: transparent; border: 0; outline: 0;
    color: var(--text-1); text-align: center;
    border-left: 1px solid var(--border-soft);
    border-right: 1px solid var(--border-soft);
    font: inherit; font-size: 13px;
}

.input-search { position: relative; display: inline-flex; align-items: center; width: 100%; }
.input-search svg { position: absolute; left: 12px; width: 14px; height: 14px; color: var(--text-4); pointer-events: none; }
.input-search .input { padding-left: 36px; }

/* Choices */
.radio, .checkbox {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-2);
    font-size: 14px;
    cursor: pointer;
    user-select: none;
}
.radio input[type="radio"], .checkbox input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--c-blue);
    cursor: pointer;
}
.radio:hover, .checkbox:hover { color: var(--text-1); }

.toggle { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.toggle input { display: none; }
.toggle-track {
    width: 36px; height: 20px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    position: relative;
    transition: background .2s ease;
}
.toggle-track::before {
    content: '';
    position: absolute;
    top: 2px; left: 2px;
    width: 16px; height: 16px;
    background: var(--text-1);
    border-radius: 50%;
    transition: transform .2s ease;
}
.toggle input:checked + .toggle-track { background: var(--c-blue); }
.toggle input:checked + .toggle-track::before { transform: translateX(16px); }
.toggle-label { font-size: 13px; color: var(--text-2); }

.select-wrap { position: relative; display: inline-flex; align-items: center; width: 100%; }
.select { appearance: none; -webkit-appearance: none; padding-right: 36px; cursor: pointer; }
.select-icon { position: absolute; right: 12px; width: 16px; height: 16px; color: var(--text-3); pointer-events: none; }

/* Tags */
.tag-removable {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 4px 4px 12px;
    background: rgba(91, 141, 239, 0.08);
    border: 1px solid rgba(91, 141, 239, 0.2);
    border-radius: var(--r-sm);
    font-size: 12px;
    color: var(--text-1);
    font-family: var(--ff-sans);
}
.tag-removable button {
    width: 18px; height: 18px;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    color: var(--text-3);
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
}
.tag-removable button:hover { background: rgba(255, 255, 255, 0.16); color: var(--text-1); }

/* Status dot variants */
.bento-status-dot.status-green { background: var(--c-green); box-shadow: 0 0 12px var(--c-green); }
.bento-status-dot.status-gray { background: var(--text-4); box-shadow: none; animation: none; }
.bento-status-dot.status-red { background: #EF4444; box-shadow: 0 0 12px #EF4444; }
.bento-status-dot.status-orange { background: #F59E0B; box-shadow: 0 0 12px #F59E0B; }

/* Notice variants */
.notice-inline {
    padding: 10px 16px;
    border-radius: var(--r-sm);
    font-size: 13px;
    line-height: 1.5;
    border: 1px solid;
}
.notice-info {
    background: rgba(91, 141, 239, 0.08);
    border-color: rgba(91, 141, 239, 0.25);
    color: #93C5FD;
}
.notice-warn {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.3);
    color: #FCD34D;
}

/* Resource card */
.resource-card {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 8px 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    transition: all .15s ease;
}
.resource-card-active { border-color: var(--c-blue); background: rgba(91, 141, 239, 0.08); }
.resource-card-img {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--c-blue), var(--c-violet));
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-1); font-weight: 600; font-size: 14px;
}
.resource-card-info { display: flex; flex-direction: column; gap: 2px; }
.resource-card-name { font-size: 13px; color: var(--text-1); font-weight: 500; }
.resource-card-meta { font-family: var(--ff-mono); font-size: 10px; color: var(--text-4); }
.resource-card-close {
    width: 22px; height: 22px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    color: var(--text-3);
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
}
.resource-card-close:hover { color: var(--text-1); background: rgba(255, 255, 255, 0.12); }

/* Spec card (radio 选择) */
.spec-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: var(--sp-4) var(--sp-5);
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all .15s ease;
    min-width: 280px;
    position: relative;
}
.spec-card:hover { border-color: var(--border-hover); }
.spec-card-active { border-color: var(--c-blue); background: rgba(91, 141, 239, 0.06); }
.spec-card > input[type="radio"] { position: absolute; top: 16px; right: 16px; accent-color: var(--c-blue); }
.spec-card-name { font-size: 15px; font-weight: 600; color: var(--text-1); padding-right: 28px; }
.spec-card-info { font-size: 12px; color: var(--text-3); }
.spec-card-price { font-family: var(--ff-mono); font-size: 15px; color: var(--c-blue); font-weight: 600; margin-top: 4px; }

/* Data Table */
.data-table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--border-soft); border-radius: var(--r-md); }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead tr { background: rgba(255, 255, 255, 0.02); }
.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 500;
    color: var(--text-3);
    font-size: 12px;
    letter-spacing: 0.02em;
    border-bottom: 1px solid var(--border-soft);
}
.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-soft);
    color: var(--text-2);
    vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
.cell-id { color: var(--text-1); font-weight: 500; margin-bottom: 2px; }
.cell-sub { font-family: var(--ff-mono); font-size: 11px; color: var(--text-4); }

/* Pagination */
.pagination {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.page-btn {
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-sm);
    color: var(--text-2);
    font-size: 13px;
    cursor: pointer;
    transition: all .15s ease;
    font-family: var(--ff-mono);
}
.page-btn:hover { border-color: var(--c-blue); color: var(--c-blue); }
.page-btn[disabled] { opacity: 0.3; cursor: not-allowed; }
.page-btn-active { background: var(--c-blue); border-color: var(--c-blue); color: var(--text-1); }
.page-btn-active:hover { background: var(--c-violet); border-color: var(--c-violet); color: var(--text-1); }
.pagination-goto { margin-left: var(--sp-3); font-size: 12px; color: var(--text-3); display: inline-flex; align-items: center; gap: 6px; }

/* Breadcrumb */
.breadcrumb { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; }
.breadcrumb a { color: var(--text-3); transition: color .15s ease; cursor: pointer; }
.breadcrumb a:hover { color: var(--text-1); }
.breadcrumb span:not(.breadcrumb-sep) { color: var(--text-1); }
.breadcrumb-sep { color: var(--text-4); }

/* Tabs */
.tabs { display: inline-flex; gap: 0; border-bottom: 1px solid var(--border-soft); }
.tab {
    padding: 10px 20px;
    background: transparent;
    color: var(--text-3);
    font-size: 14px;
    cursor: pointer;
    position: relative;
    transition: color .15s ease;
    border: 0;
}
.tab:hover { color: var(--text-1); }
.tab-active { color: var(--c-blue); font-weight: 500; }
.tab-active::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 12px; right: 12px;
    height: 2px;
    background: var(--c-blue);
}

/* Forms */
.form-group-title {
    font-family: var(--ff-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-1);
    margin: var(--sp-8) 0 var(--sp-4);
    padding-left: 10px;
    border-left: 2px solid var(--c-blue);
    line-height: 1;
}
.form-row { margin-bottom: var(--sp-5); }
.form-label {
    display: block;
    color: var(--text-2);
    font-size: 13px;
    margin-bottom: 8px;
}
.form-required { color: #F87171; margin-right: 4px; }
.form-helper { margin-top: 6px; font-size: 12px; color: var(--text-4); }

.kv-rows { display: flex; flex-direction: column; gap: var(--sp-3); }
.kv-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: var(--sp-3); align-items: center; }
.kv-del {
    height: 38px; padding: 0 14px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--r-sm);
    color: #FCA5A5;
    font-size: 13px;
    cursor: pointer;
    transition: all .15s ease;
}
.kv-del:hover { background: rgba(239, 68, 68, 0.16); color: #FECACA; }
.kv-add {
    align-self: flex-start;
    padding: 8px 14px;
    background: transparent;
    border: 1px dashed var(--border-soft);
    border-radius: var(--r-sm);
    color: var(--c-blue);
    font-size: 13px;
    cursor: pointer;
    transition: all .15s ease;
}
.kv-add:hover { border-color: var(--c-blue); background: rgba(91, 141, 239, 0.04); }

/* Cost panel */
.cost-panel {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-md);
    padding: var(--sp-6);
}
.cost-row { display: flex; justify-content: space-between; align-items: baseline; padding: 6px 0; font-size: 13px; color: var(--text-2); }
.cost-value { font-family: var(--ff-mono); font-size: 22px; font-weight: 600; color: var(--c-blue); letter-spacing: -0.02em; }
.cost-unit { font-size: 12px; color: var(--text-3); margin-left: 4px; }
.cost-divider { height: 1px; background: var(--border-soft); margin: var(--sp-3) 0; }
.cost-row-mute { color: var(--text-3); font-size: 12px; font-family: var(--ff-mono); }
.cost-row-warn { color: #F87171; font-size: 12px; text-align: right; cursor: pointer; }

/* Empty state */
.empty-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sp-16) var(--sp-8);
    background: var(--bg-card);
    border: 1px dashed var(--border-soft);
    border-radius: var(--r-md);
    text-align: center;
}
.empty-title { font-size: 16px; color: var(--text-1); font-weight: 500; margin-bottom: 4px; }
.empty-sub { font-size: 13px; color: var(--text-3); }

/* Upload */
.upload-area {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: var(--sp-10) var(--sp-6);
    background: var(--bg-card);
    border: 1.5px dashed var(--border-hover);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all .2s ease;
}
.upload-area:hover { border-color: var(--c-blue); background: rgba(91, 141, 239, 0.04); }
.upload-title { font-size: 14px; color: var(--text-1); font-weight: 500; margin-bottom: 4px; }
.upload-sub { font-size: 12px; color: var(--text-4); }

/* Spinner */
.spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--c-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.spinner-sm { width: 14px; height: 14px; border-width: 1.5px; }
.spinner-light { border-color: rgba(0, 0, 0, 0.1); border-top-color: var(--bg-deep); }
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Helper tip */
.helper-tip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-3);
}

/* Floating FAB */
.float-fab {
    width: 56px; height: 56px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-hover);
    border-radius: 50%;
    color: var(--c-blue);
    cursor: pointer;
    transition: all .2s ease;
    gap: 2px;
}
.float-fab:hover { transform: translateY(-2px); border-color: var(--c-blue); box-shadow: 0 8px 24px rgba(91, 141, 239, 0.2); }
.float-fab svg { width: 18px; height: 18px; }
.float-fab span { font-size: 9px; color: var(--text-3); font-family: var(--ff-mono); }
.float-fab-secondary { color: var(--c-violet); }
.float-fab-secondary:hover { border-color: var(--c-violet); box-shadow: 0 8px 24px rgba(139, 92, 246, 0.2); }

@media (max-width: 1024px) {
    .components-layout { flex-direction: column; }
    .components-nav { width: 100%; position: relative; top: 0; height: auto; max-height: none; border-right: 0; border-bottom: 1px solid var(--border-soft); padding: var(--sp-6); }
    .components-nav-inner { flex-direction: row; flex-wrap: wrap; }
    .components-main { padding: var(--sp-8); }
    .comp-header-title { font-size: 40px; }
    .comp-section-title { font-size: 28px; }
}