/* ============================================================
   mohui666 个人主页 · 子页共用样式
   与 css/style.css 共享同一套设计令牌。
   层级模型：背景层（渐变 + 光晕）→ 功能层（玻璃面板）→ 内容层（实底控件）
   ============================================================ */

:root {
    color-scheme: dark;
    --page-bg-image: none;

    /* 墨色层级：主文本 / 次文本 / 弱文本（箭头、装饰） */
    --bg: #0b0f1e;
    --ink: #f5f7fd;
    --ink-2: rgba(233, 238, 251, 0.82);
    --ink-3: rgba(233, 238, 251, 0.62);

    /* 功能层（玻璃）：仅顶层面板使用 */
    --panel: linear-gradient(150deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05) 45%, rgba(255, 255, 255, 0.08));
    --panel-border: rgba(255, 255, 255, 0.17);
    --panel-border-hi: rgba(255, 255, 255, 0.34);
    --blur: blur(24px) saturate(1.5);

    /* 内容层（实底）：面板内部的行、按钮、标签 */
    --fill: rgba(255, 255, 255, 0.06);
    --fill-hi: rgba(255, 255, 255, 0.12);
    --fill-border: rgba(255, 255, 255, 0.13);
    --fill-border-hi: rgba(255, 255, 255, 0.3);

    /* 品牌色：accent 为主；2/3 仅用于渐变标题与小面积点缀 */
    --accent: #a5b4fc;
    --accent-2: #7dd3fc;
    --accent-3: #f0abfc;
    --on-accent: #11152e;
    --focus: #b7c6ff;

    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --shadow: 0 24px 60px rgba(3, 7, 22, 0.45);
    --inner-light: inset 0 1px 0 rgba(255, 255, 255, 0.18), inset 0 -1px 0 rgba(255, 255, 255, 0.04);
}

* { box-sizing: border-box; }

html { min-height: 100%; scroll-behavior: smooth; }

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    font-family: "Inter", "SF Pro Display", "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
}

/* 底色渐变 + 氛围光晕 */
body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    content: "";
    pointer-events: none;
    background:
        radial-gradient(42rem 30rem at 84% -6%, rgba(125, 211, 252, 0.14), transparent 65%),
        radial-gradient(40rem 30rem at -8% 104%, rgba(240, 171, 252, 0.11), transparent 65%),
        radial-gradient(34rem 26rem at 52% 46%, rgba(165, 180, 252, 0.07), transparent 70%),
        linear-gradient(160deg, #141b36, #0b0f1e 55%, #141028);
}

a { color: inherit; text-decoration: none; }

::selection {
    color: var(--on-accent);
    background: var(--accent);
}

:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
    border-radius: 6px;
}

.subpage-shell {
    width: min(980px, calc(100% - 32px));
    margin: 0 auto;
    padding: 46px 0;
}

.top-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
}

.nav-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 导航与按钮：实底填充，44px 最小触控高度 */
.nav-pill,
.card-link,
.primary-link,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 20px;
    border: 1px solid var(--fill-border);
    border-radius: 999px;
    color: var(--ink);
    background: var(--fill-hi);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    font: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: transform 220ms cubic-bezier(0.22, 0.9, 0.3, 1), box-shadow 220ms ease, background 220ms ease, border-color 220ms ease, color 220ms ease;
}

.nav-pill:hover,
.nav-pill:focus-visible,
.card-link:hover,
.card-link:focus-visible,
.primary-link:hover,
.primary-link:focus-visible,
button:hover,
button:focus-visible {
    transform: translateY(-2px);
    border-color: var(--fill-border-hi);
    background: rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 12px 30px rgba(3, 7, 22, 0.35);
}

/* 功能层：毛玻璃面板（仅此四处使用 backdrop-filter） */
.hero-card,
.content-card,
.list-card,
.video-card {
    position: relative;
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    background: var(--panel);
    box-shadow: var(--shadow), var(--inner-light);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .hero-card,
    .content-card,
    .list-card,
    .video-card {
        background: rgba(18, 24, 46, 0.92);
    }
}

.hero-card {
    padding: clamp(28px, 5vw, 52px);
    margin-bottom: 24px;
    overflow: hidden;
}

/* 玻璃顶部斜向高光 */
.hero-card::before,
.content-card::before,
.list-card::before,
.video-card::before {
    position: absolute;
    inset: 0;
    content: "";
    pointer-events: none;
    background: linear-gradient(115deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 40%);
    border-radius: inherit;
}

.kicker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 14px;
    color: var(--ink-2);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.kicker::before {
    content: "";
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
    box-shadow: 0 0 12px rgba(165, 180, 252, 0.65);
}

h1,
h2,
p { margin-top: 0; }

h1 {
    margin-bottom: 14px;
    font-size: clamp(2.3rem, 7vw, 4.6rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 30px rgba(3, 7, 22, 0.4);
}

h1 span,
.gradient-text {
    color: transparent;
    background: linear-gradient(95deg, var(--accent-2), var(--accent) 48%, var(--accent-3));
    background-clip: text;
    -webkit-background-clip: text;
    filter: drop-shadow(0 4px 20px rgba(165, 180, 252, 0.32));
}

.lead {
    max-width: 720px;
    margin-bottom: 0;
    color: var(--ink-2);
    font-size: 1.08rem;
    line-height: 1.9;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.content-card,
.list-card,
.video-card {
    padding: 26px;
}

.card-link {
    min-height: 112px;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    border-radius: var(--radius-md);
    color: var(--ink);
    text-align: left;
}

.card-link strong { font-size: 1.12rem; font-weight: 700; }

.card-link strong::after {
    content: " →";
    color: var(--ink-3);
}

.card-link span { color: var(--ink-2); font-weight: 500; line-height: 1.6; }

.list-card {
    display: grid;
    gap: 12px;
}

/* 内容层行链接：实底填充 + 细边框 */
.row-link {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 20px;
    border: 1px solid var(--fill-border);
    border-radius: var(--radius-sm);
    background: var(--fill);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    font-weight: 600;
}

a.row-link {
    transition: transform 220ms cubic-bezier(0.22, 0.9, 0.3, 1), box-shadow 220ms ease, background 220ms ease, border-color 220ms ease, color 220ms ease;
}

.row-link::after {
    content: "→";
    color: var(--ink-3);
    transition: transform 220ms ease, color 220ms ease;
}

a.row-link:hover,
a.row-link:focus-visible {
    transform: translateY(-2px);
    border-color: var(--fill-border-hi);
    background: var(--fill-hi);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 12px 30px rgba(3, 7, 22, 0.35);
}

a.row-link:hover::after,
a.row-link:focus-visible::after {
    color: var(--ink);
    transform: translateX(4px);
}

.info-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.info-list li {
    padding: 16px 20px;
    border: 1px solid var(--fill-border);
    border-radius: var(--radius-sm);
    background: var(--fill);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    line-height: 1.75;
}

.info-list strong {
    color: var(--ink);
    font-weight: 700;
}

.info-list a {
    color: var(--accent-2);
    border-bottom: 1px dashed rgba(125, 211, 252, 0.45);
}

.info-list a:hover,
.info-list a:focus-visible {
    color: var(--ink);
    border-bottom-color: currentColor;
}

.page-footer {
    margin-top: 24px;
    color: var(--ink-2);
    text-align: center;
}

.video-card video,
.video-card .dplayer {
    width: 100%;
    overflow: hidden;
    border: 1px solid var(--fill-border);
    border-radius: var(--radius-sm);
    background: #0a0e1e;
    box-shadow: 0 16px 40px rgba(3, 7, 22, 0.45);
}

.video-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

/* 滚动渐入（由 effects.js 触发） */
.fx-hidden {
    visibility: hidden;
}

.fx-reveal {
    animation: fx-rise 680ms cubic-bezier(0.22, 0.9, 0.3, 1) both;
}

@keyframes fx-rise {
    from {
        transform: translateY(24px) scale(0.985);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@media (max-width: 640px) {
    .subpage-shell { width: min(100% - 20px, 980px); padding-top: 24px; }
    .hero-card,
    .content-card,
    .list-card,
    .video-card { border-radius: var(--radius-md); padding: 20px; }
    .top-nav,
    .nav-group,
    .video-actions { justify-content: center; }
}

/* ---------- 浅色模式 ---------- */
@media (prefers-color-scheme: light) {
    :root {
        color-scheme: light;
        --bg: #eceff8;
        --ink: #1a2140;
        --ink-2: rgba(26, 33, 64, 0.78);
        --ink-3: rgba(26, 33, 64, 0.56);
        --panel: linear-gradient(150deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.6) 45%, rgba(255, 255, 255, 0.72));
        --panel-border: rgba(255, 255, 255, 0.8);
        --panel-border-hi: #ffffff;
        --fill: rgba(255, 255, 255, 0.55);
        --fill-hi: rgba(255, 255, 255, 0.85);
        --fill-border: rgba(24, 32, 66, 0.1);
        --fill-border-hi: rgba(24, 32, 66, 0.24);
        --accent: #4c5fd5;
        --accent-2: #0b74c9;
        --accent-3: #b237b8;
        --on-accent: #ffffff;
        --focus: #4356d4;
        --shadow: 0 18px 44px rgba(31, 41, 82, 0.16);
        --inner-light: inset 0 1px 0 rgba(255, 255, 255, 0.8);
    }

    body::before {
        background:
            radial-gradient(42rem 30rem at 84% -6%, rgba(11, 116, 201, 0.12), transparent 65%),
            radial-gradient(40rem 30rem at -8% 104%, rgba(178, 55, 184, 0.09), transparent 65%),
            radial-gradient(34rem 26rem at 52% 46%, rgba(76, 95, 213, 0.06), transparent 70%),
            linear-gradient(160deg, #f3f5fc, #e7ebf7 55%, #efe8f4);
    }

    h1 {
        text-shadow: none;
    }

    h1 span,
    .gradient-text {
        filter: none;
    }

    .kicker::before {
        box-shadow: 0 0 10px rgba(76, 95, 213, 0.4);
    }

    .nav-pill:hover,
    .nav-pill:focus-visible,
    .card-link:hover,
    .card-link:focus-visible,
    .primary-link:hover,
    .primary-link:focus-visible,
    button:hover,
    button:focus-visible {
        background: #ffffff;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 10px 26px rgba(31, 41, 82, 0.14);
    }

    a.row-link:hover,
    a.row-link:focus-visible {
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7), 0 10px 26px rgba(31, 41, 82, 0.14);
    }

    .hero-card::before,
    .content-card::before,
    .list-card::before,
    .video-card::before {
        background: linear-gradient(115deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0) 40%);
    }

    .info-list a {
        border-bottom-color: rgba(11, 116, 201, 0.4);
    }
}

/* ---------- 系统无障碍偏好 ---------- */

/* 降低透明度：玻璃退化为实色面板 */
@media (prefers-reduced-transparency: reduce) {
    :root {
        --panel: #171e38;
        --fill: #1c2444;
        --fill-hi: #242d52;
        --blur: none;
    }
}

@media (prefers-color-scheme: light) and (prefers-reduced-transparency: reduce) {
    :root {
        --panel: #f7f9fe;
        --fill: #eceff8;
        --fill-hi: #ffffff;
    }
}

/* 增强对比度：提高次级文本与不透明度边界 */
@media (prefers-contrast: more) {
    :root {
        --ink-2: rgba(233, 238, 251, 0.94);
        --ink-3: rgba(233, 238, 251, 0.8);
        --panel-border: rgba(255, 255, 255, 0.34);
        --fill-border: rgba(255, 255, 255, 0.3);
    }
}

@media (prefers-color-scheme: light) and (prefers-contrast: more) {
    :root {
        --ink-2: rgba(26, 33, 64, 0.92);
        --ink-3: rgba(26, 33, 64, 0.74);
        --fill-border: rgba(24, 32, 66, 0.24);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .fx-reveal {
        animation: none;
    }
}