/* ===================== 基础变量 ===================== */
:root {
    --bg-0: #06060f;
    --bg-1: #0a0a1a;
    --text: #eef1ff;
    --text-dim: #a7b0d0;
    --text-mute: #6b7497;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-bg-hover: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-bright: rgba(255, 255, 255, 0.18);
    --glass-shine: rgba(255, 255, 255, 0.5);
    --accent: #7c5cff;
    --accent-2: #21d4fd;
    --accent-3: #ff5c97;
    --radius: 22px;
    --radius-sm: 14px;
    --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
    --maxw: 1140px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    /* 关键：为吸顶导航预留空间，避免锚点目标被遮挡 */
    scroll-padding-top: 92px;
}
/* 兜底：部分旧浏览器需在元素上设置 scroll-margin */
.section, .hero { scroll-margin-top: 92px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-0);
    color: var(--text);
    line-height: 1.65;
    overflow-x: clip;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
svg { stroke-linecap: round; stroke-linejoin: round; }

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

/* 滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--accent), var(--accent-2));
    border-radius: 10px;
    border: 2px solid var(--bg-1);
}

/* ===================== 动态背景 ===================== */
.bg-orbs {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.55;
    will-change: transform;
}
.orb-1 {
    width: 540px; height: 540px;
    background: radial-gradient(circle at 30% 30%, #7c5cff, transparent 70%);
    top: -120px; left: -100px;
    animation: float1 22s var(--ease) infinite;
}
.orb-2 {
    width: 460px; height: 460px;
    background: radial-gradient(circle at 30% 30%, #21d4fd, transparent 70%);
    top: 30%; right: -120px;
    animation: float2 26s var(--ease) infinite;
}
.orb-3 {
    width: 420px; height: 420px;
    background: radial-gradient(circle at 30% 30%, #ff5c97, transparent 70%);
    bottom: -100px; left: 20%;
    animation: float3 24s var(--ease) infinite;
}
.orb-4 {
    width: 380px; height: 380px;
    background: radial-gradient(circle at 30% 30%, #36e08a, transparent 70%);
    bottom: 10%; right: 25%;
    opacity: 0.35;
    animation: float1 30s var(--ease) infinite reverse;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(80px, 60px) scale(1.1); }
}
@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-100px, 80px) scale(1.15); }
}
@keyframes float3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(60px, -70px) scale(0.9); }
}

.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -1;
    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 80% 60% at 50% 40%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 80%);
}

/* ===================== 玻璃容器 ===================== */
.glass-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.5s var(--ease), border-color 0.4s, background 0.4s;
}
/* 顶部高光 */
.glass-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-shine), transparent);
    opacity: 0.6;
}
/* 鼠标跟随光晕 */
.glass-card::after {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,92,255,0.18), transparent 65%);
    left: var(--mx, 50%);
    top: var(--my, 50%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
    z-index: 0;
}
.glass-card:hover::after { opacity: 1; }
.glass-card > * { position: relative; z-index: 1; }

/* ===================== 导航 ===================== */
.nav {
    position: fixed;
    top: 18px; left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 10px 10px 10px 22px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    transition: top 0.4s, background 0.4s, border-color 0.4s;
}
.nav.scrolled {
    top: 12px;
    background: rgba(10,10,26,0.6);
    border-color: var(--glass-border-bright);
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700; font-size: 1.05rem;
}
.logo-mark {
    display: grid; place-items: center;
    width: 32px; height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff; font-weight: 800;
    box-shadow: 0 6px 18px -4px rgba(124,92,255,0.6);
}
.nav-links {
    display: flex; align-items: center; gap: 6px;
}
.nav-links a {
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--text-dim);
    transition: color 0.3s, background 0.3s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-links a:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 2px;
}
/* CTA 弱化为描边样式，不再常驻渐变高亮 */
.nav-links a.nav-cta {
    color: var(--accent-2);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(124,92,255,0.4);
    background: rgba(124,92,255,0.08);
}
.nav-links a.nav-cta:hover {
    background: rgba(124,92,255,0.18);
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(124,92,255,0.7);
}
/* 真正的“当前章节”高亮：渐变胶囊，跟随滚动位置 */
.nav-links a.active,
.nav-links a.active:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 8px 20px -6px rgba(124,92,255,0.55);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none; border: none; cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--text); border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* ===================== 通用布局 ===================== */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding: 120px 0 80px; }
.section-head { margin-bottom: 48px; }
.section-tag {
    display: inline-block;
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--accent-2);
    padding: 6px 14px;
    border: 1px solid rgba(33,212,253,0.3);
    border-radius: 100px;
    margin-bottom: 18px;
    background: rgba(33,212,253,0.05);
}
.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* ===================== Hero ===================== */
.hero {
    min-height: 100vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    position: relative;
}
.hero-inner { max-width: 760px; }
.hero-greeting {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 10px;
    letter-spacing: 0.04em;
}
.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(3.5rem, 13vw, 8rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.04em;
    margin-bottom: 22px;
    background: linear-gradient(120deg, #fff 10%, #b9a8ff 40%, #21d4fd 70%, #fff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 6s linear infinite;
}
@keyframes shine {
    to { background-position: 200% center; }
}
.hero-role { margin-bottom: 22px; }
.role-badge {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 8px 18px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.95rem;
    color: var(--text);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.status-dot {
    width: 8px; height: 8px;
    background: #36e08a; border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(54,224,138,0.7);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(54,224,138,0.6); }
    70% { box-shadow: 0 0 0 10px rgba(54,224,138,0); }
    100% { box-shadow: 0 0 0 0 rgba(54,224,138,0); }
}
.hero-desc {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 540px;
    margin: 0 auto 36px;
}
.hero-actions {
    display: flex; gap: 14px; justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px;
    border-radius: 100px;
    font-size: 0.95rem; font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 12px 30px -8px rgba(124,92,255,0.6);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px -8px rgba(124,92,255,0.7);
}
.btn-ghost {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    color: var(--text);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.btn-ghost:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-bright);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex; align-items: center; justify-content: center; gap: 28px;
    flex-wrap: wrap;
    padding: 22px 32px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    max-width: 560px;
    margin: 0 auto;
}
.stat { text-align: center; }
.stat-num, .stat-suffix {
    font-family: 'Outfit', sans-serif;
    font-size: 1.9rem; font-weight: 800;
    background: linear-gradient(135deg, #fff, #b9a8ff);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-mute);
    margin-top: 2px;
}
.stat-divider {
    width: 1px; height: 36px;
    background: var(--glass-border);
}

/* 滚动提示 */
.scroll-hint {
    position: absolute;
    bottom: 36px; left: 50%;
    transform: translateX(-50%);
}
.mouse {
    display: block;
    width: 26px; height: 42px;
    border: 2px solid var(--text-mute);
    border-radius: 14px;
    position: relative;
}
.wheel {
    position: absolute;
    top: 8px; left: 50%;
    width: 4px; height: 8px;
    background: var(--text-dim);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll 1.8s infinite;
}
@keyframes scroll {
    0% { opacity: 0; transform: translate(-50%, 0); }
    40% { opacity: 1; }
    100% { opacity: 0; transform: translate(-50%, 14px); }
}

/* ===================== 关于我 ===================== */
.about-grid { max-width: 880px; margin: 0 auto; }
.about-card {
    display: flex; gap: 40px;
    padding: 44px;
    align-items: flex-start;
}
.about-avatar {
    position: relative;
    flex-shrink: 0;
    width: 130px; height: 130px;
    display: grid; place-items: center;
}
.avatar-ring {
    position: absolute; inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
    animation: spin 8s linear infinite;
    filter: blur(2px);
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar-inner {
    position: relative;
    width: 116px; height: 116px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a1a35, #0a0a1a);
    border: 3px solid var(--bg-0);
    display: grid; place-items: center;
    font-family: 'Outfit', sans-serif;
    font-size: 3rem; font-weight: 800;
    background-clip: padding-box;
    color: #fff;
}
.about-text p { color: var(--text-dim); margin-bottom: 16px; font-size: 1.02rem; }
.about-text strong { color: var(--text); font-weight: 600; }
.about-meta {
    display: flex; flex-wrap: wrap; gap: 18px;
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--glass-border);
}
.about-meta li {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.9rem; color: var(--text-mute);
}
.about-meta svg { color: var(--accent-2); }

/* ===================== 技能 ===================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
}
.skill-card { padding: 30px; }
.skill-card:hover {
    transform: translateY(-6px);
    border-color: var(--glass-border-bright);
}
.skill-icon {
    width: 56px; height: 56px;
    display: grid; place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(124,92,255,0.2), rgba(33,212,253,0.15));
    border: 1px solid var(--glass-border);
    color: var(--accent-2);
    margin-bottom: 18px;
}
.skill-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem; font-weight: 700;
    margin-bottom: 6px;
}
.skill-card p {
    color: var(--text-dim);
    font-size: 0.92rem;
    margin-bottom: 18px;
}
.skill-bar {
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 100px;
    overflow: hidden;
}
.skill-bar span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: 100px;
    transition: width 1.2s var(--ease);
}

/* ===================== 兴趣 ===================== */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 22px;
}
.interest-card { padding: 32px; }
.interest-card:hover {
    transform: translateY(-6px);
    border-color: var(--glass-border-bright);
}
.interest-card[data-color="green"]  { --c1: #36e08a; --c2: #21d4fd; }
.interest-card[data-color="amber"]  { --c1: #ffc46b; --c2: #ff8a5c; }
.interest-card[data-color="pink"]   { --c1: #ff5c97; --c2: #b94aff; }
.interest-card[data-color="violet"] { --c1: #b94aff; --c2: #7c5cff; }
.interest-visual {
    width: 72px; height: 72px;
    display: grid; place-items: center;
    border-radius: 20px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--c1) 22%, transparent), color-mix(in srgb, var(--c2) 18%, transparent));
    border: 1px solid var(--glass-border);
    color: var(--c1);
    margin-bottom: 22px;
    transition: transform 0.4s var(--ease);
}
.interest-card:hover .interest-visual { transform: scale(1.1) rotate(-6deg); }
.interest-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem; font-weight: 700;
    margin-bottom: 8px;
}
.interest-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 18px;
}
.interest-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.interest-tags span {
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 100px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-dim);
}

/* ===================== 联系 ===================== */
.contact-card {
    display: flex; align-items: center; justify-content: space-between;
    padding: 56px;
    gap: 30px;
    overflow: hidden;
}
.contact-content { max-width: 540px; }
.contact-content h3 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 14px;
}
.contact-content p {
    color: var(--text-dim);
    margin-bottom: 30px;
}
.contact-links { display: flex; flex-wrap: wrap; gap: 14px; }
.contact-link {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 22px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-weight: 500; font-size: 0.95rem;
    transition: transform 0.3s var(--ease), background 0.3s, border-color 0.3s;
}
.contact-link:hover {
    transform: translateY(-3px);
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-bright);
}
.contact-link svg { color: var(--accent-2); }

.contact-decoration {
    position: relative;
    width: 200px; height: 200px;
    flex-shrink: 0;
}
.float-shape {
    position: absolute;
    border-radius: 24px;
    border: 1px solid var(--glass-border-bright);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.s1 {
    width: 110px; height: 110px;
    top: 10px; left: 30px;
    background: linear-gradient(135deg, rgba(124,92,255,0.4), rgba(33,212,253,0.2));
    animation: floaty 6s var(--ease) infinite;
}
.s2 {
    width: 80px; height: 80px;
    bottom: 20px; right: 10px;
    background: linear-gradient(135deg, rgba(255,92,151,0.4), rgba(185,74,255,0.2));
    border-radius: 50%;
    animation: floaty 7s var(--ease) infinite 0.5s;
}
.s3 {
    width: 50px; height: 50px;
    bottom: 50px; left: 0;
    background: linear-gradient(135deg, rgba(54,224,138,0.4), rgba(33,212,253,0.2));
    animation: floaty 5s var(--ease) infinite 1s;
}
@keyframes floaty {
    0%, 100% { transform: translateY(0) rotate(0); }
    50% { transform: translateY(-16px) rotate(8deg); }
}

/* ===================== 页脚 ===================== */
.footer {
    text-align: center;
    padding: 40px 24px 50px;
    color: var(--text-mute);
    font-size: 0.88rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 60px;
}
.heart { color: var(--accent-3); }

/* ===================== 滚动揭示 ===================== */
.reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================== 响应式 ===================== */

/* ---- 平板及以下：导航抽屉 ---- */
@media (max-width: 860px) {
    main { padding: 0 18px; }

    .nav { top: 12px; gap: 10px; padding: 8px 8px 8px 16px; left: 12px; right: 12px; transform: none; }
    .nav-logo { font-size: 0.98rem; }
    .logo-mark { width: 30px; height: 30px; }

    .nav-links {
        position: fixed;
        top: 64px; left: 12px; right: 12px;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 10px;
        background: rgba(10, 10, 26, 0.94);
        border: 1px solid var(--glass-border);
        border-radius: 18px;
        backdrop-filter: blur(24px) saturate(140%);
        -webkit-backdrop-filter: blur(24px) saturate(140%);
        box-shadow: 0 20px 50px -16px rgba(0, 0, 0, 0.7);
        transform: translateY(-12px) scale(0.98);
        transform-origin: top right;
        opacity: 0; pointer-events: none;
        transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
    }
    .nav-links.open {
        opacity: 1; pointer-events: auto;
        transform: translateY(0) scale(1);
    }
    .nav-links a {
        width: 100%;
        padding: 13px 16px;
        font-size: 0.95rem;
        border-radius: 12px;
    }
    .nav-links a.nav-cta { margin-top: 6px; text-align: center; }
    .nav-toggle { display: flex; padding: 10px; margin-left: auto; }
    .nav-toggle span { width: 20px; }
    .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .hero { min-height: 100svh; padding: 110px 18px 70px; }
    .hero-stats { margin-bottom: 0; }

    .section { padding: 84px 0 44px; }
    .section-head { margin-bottom: 32px; }

    .about-card { flex-direction: column; align-items: center; text-align: center; gap: 24px; padding: 30px 24px; }
    .about-meta { justify-content: center; }

    .contact-card { flex-direction: column; text-align: center; padding: 36px 24px; gap: 24px; }
    .contact-links { justify-content: center; }
    .contact-decoration { display: none; }
}

/* ---- 手机：更紧凑、更大触控 ---- */
@media (max-width: 640px) {
    main { padding: 0 14px; }

    .hero { min-height: 100svh; padding: 100px 14px 56px; }
    .hero-greeting { font-size: 0.92rem; }
    .hero-title { font-size: clamp(3rem, 16vw, 5rem); margin-bottom: 18px; }
    .hero-desc { font-size: 1rem; margin-bottom: 30px; }
    .hero-actions { gap: 10px; margin-bottom: 44px; }
    /* 滚动提示在小屏易与内容重叠，隐藏 */
    .scroll-hint { display: none; }

    .hero-stats {
        gap: 14px;
        padding: 18px 16px;
        width: 100%;
        max-width: none;
    }
    .stat-num, .stat-suffix { font-size: 1.5rem; }
    .stat-label { font-size: 0.72rem; }
    .stat-divider { height: 28px; }

    .btn { padding: 13px 22px; font-size: 0.92rem; width: 100%; justify-content: center; }

    .section { padding: 72px 0 36px; }
    .section-tag { font-size: 0.72rem; padding: 5px 12px; }
    .section-title { font-size: clamp(1.7rem, 7vw, 2.2rem); }

    .skills-grid, .interests-grid { gap: 14px; }
    .skills-grid { grid-template-columns: 1fr; }
    .interests-grid { grid-template-columns: 1fr; }
    .skill-card { padding: 24px; }
    .interest-card { padding: 26px; }
    .interest-visual { width: 64px; height: 64px; margin-bottom: 18px; }
    .interest-card h3 { font-size: 1.3rem; }

    .about-card { padding: 26px 20px; }
    .about-avatar { width: 110px; height: 110px; }
    .avatar-inner { width: 96px; height: 96px; font-size: 2.6rem; }
    .about-text p { font-size: 0.96rem; }

    .contact-card { padding: 30px 20px; }
    .contact-content h3 { font-size: 1.45rem; }
    .contact-link { padding: 11px 18px; font-size: 0.9rem; width: 100%; justify-content: center; }

    .footer { padding: 30px 20px 36px; font-size: 0.82rem; }
}

/* ---- 超小屏 / 横屏优化 ---- */
@media (max-width: 380px) {
    .hero-title { font-size: 2.6rem; }
    .hero-stats { gap: 10px; padding: 14px 12px; }
    .stat-divider { display: none; }
}

/* ---- 竖屏小高度（如手机横屏）保证首屏不溢出 ---- */
@media (max-height: 640px) and (orientation: landscape) {
    .hero { min-height: auto; padding-top: 90px; padding-bottom: 40px; }
    .scroll-hint { display: none; }
}

/* ---- 安全区（刘海屏 / 底部横条）---- */
@supports (padding: max(0px)) {
    .footer { padding-bottom: max(36px, env(safe-area-inset-bottom)); }
    .nav { top: max(12px, env(safe-area-inset-top)); }
}

@media (hover: none) {
    /* 触屏设备：去掉悬停位移，避免点击后卡片“粘住”上浮 */
    .skill-card:hover,
    .interest-card:hover,
    .btn-primary:hover,
    .btn-ghost:hover,
    .contact-link:hover { transform: none; }
    .glass-card:hover::after { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}