/* ============================================================
   王子晨 · 开发实习生作品集 — 样式表
   设计：现代深色 + 渐变 + 玻璃拟态
   ============================================================ */

:root {
    --bg: #0a0b14;
    --bg-soft: #11131f;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-2: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #eef0f7;
    --text-soft: #aab0c4;
    --text-dim: #717892;
    --accent: #7c8bff;
    --accent-2: #4fd6e0;
    --accent-3: #c084fc;
    --grad: linear-gradient(120deg, #7c8bff 0%, #4fd6e0 100%);
    --grad-warm: linear-gradient(120deg, #c084fc 0%, #7c8bff 100%);
    --radius: 18px;
    --radius-sm: 12px;
    --maxw: 1080px;
    --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
    --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* ---------- 背景装饰 ---------- */
.bg-grid {
    position: fixed;
    inset: 0;
    z-index: -2;
    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: 54px 54px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.5;
    pointer-events: none;
}

.glow-1 {
    width: 520px;
    height: 520px;
    background: #4338ca;
    top: -160px;
    left: -120px;
}

.glow-2 {
    width: 460px;
    height: 460px;
    background: #0e7490;
    top: 320px;
    right: -160px;
    opacity: 0.4;
}

/* ---------- 通用容器 ---------- */
.section {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 100px 24px;
}

.section-head {
    margin-bottom: 56px;
    max-width: 720px;
}

.section-tag {
    display: inline-block;
    font-size: 0.82rem;
    letter-spacing: 2px;
    font-weight: 600;
    color: var(--accent-2);
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.section-desc {
    margin-top: 16px;
    color: var(--text-soft);
    font-size: 1rem;
}

.grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ---------- 导航 ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background .3s, border-color .3s, backdrop-filter .3s;
    border-bottom: 1px solid transparent;
}

.nav.scrolled {
    background: rgba(10, 11, 20, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.5px;
}

.nav-logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--text-soft);
    transition: color .2s;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    padding: 8px 18px;
    border-radius: 999px;
    background: var(--grad);
    color: #0a0b14 !important;
    font-weight: 700;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: .3s;
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 120px 24px 80px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    font-size: 0.82rem;
    color: var(--accent-2);
    background: var(--surface);
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(2.1rem, 6vw, 3.7rem);
    line-height: 1.18;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.hero-seek {
    display: block;
    margin-top: 1em;
}

.hl-live {
    color: #6ee7a8;
    font-weight: 700;
    white-space: nowrap;
    padding: 1px 8px;
    border-radius: 7px;
    background: rgba(110, 231, 168, 0.12);
    box-shadow: inset 0 0 0 1px rgba(110, 231, 168, 0.28);
}

.hl-live::before {
    content: "● ";
    font-size: 0.7em;
    vertical-align: 1.5px;
}

.hero-tagline {
    font-size: clamp(1.2rem, 3vw, 1.7rem);
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.18rem);
    color: var(--text-soft);
    max-width: 640px;
    margin-bottom: 38px;
}

.hero-sub strong {
    color: var(--text);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.98rem;
    transition: transform .2s, box-shadow .2s, background .2s;
    cursor: pointer;
}

.btn-primary {
    background: var(--grad);
    color: #0a0b14;
    box-shadow: 0 12px 30px -10px rgba(124, 139, 255, 0.6);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px -10px rgba(124, 139, 255, 0.7);
}

.btn-ghost {
    border: 1px solid var(--border-strong);
    color: var(--text);
    background: var(--surface);
}

.btn-ghost:hover {
    transform: translateY(-3px);
    background: var(--surface-2);
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    color: var(--text-dim);
    font-size: 0.88rem;
    margin-top: 6px;
}

/* ---------- 关于我 ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text p {
    color: var(--text-soft);
    margin-bottom: 18px;
    font-size: 1.04rem;
}

.about-text strong {
    color: var(--text);
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    transition: transform .25s, border-color .25s;
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
}

.ac-icon {
    font-size: 1.6rem;
    display: block;
    margin-bottom: 8px;
}

.about-card h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.about-card p {
    color: var(--text-dim);
    font-size: 0.92rem;
}

/* ---------- 技能 ---------- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: transform .25s, border-color .25s, background .25s;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-strong);
    background: var(--surface-2);
}

.skill-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.skill-emoji {
    font-size: 1.4rem;
}

.skill-head h4 {
    font-size: 1.1rem;
}

.skill-level {
    color: var(--accent-2);
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tags span {
    font-size: 0.82rem;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(124, 139, 255, 0.1);
    border: 1px solid rgba(124, 139, 255, 0.2);
    color: #c6cdff;
}

/* ---------- 项目 ---------- */
.project {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 34px;
    margin-bottom: 24px;
    transition: transform .25s, border-color .25s, background .25s;
}

.project:hover {
    transform: translateY(-5px);
    border-color: var(--border-strong);
    background: var(--surface-2);
}

.project-main {
    min-width: 0;
}

.project-side {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.project-emoji {
    font-size: 3.4rem;
    width: 88px;
    height: 88px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 22px;
    background: var(--grad-warm);
    box-shadow: 0 16px 36px -14px rgba(192, 132, 252, 0.6);
}

.project-icon {
    width: 88px;
    height: 88px;
    border-radius: 22px;
    object-fit: cover;
    object-position: center;
    background: #fff;
    box-shadow: 0 16px 36px -14px rgba(0, 0, 0, 0.55);
}

.project-icon.contain {
    object-fit: contain;
    padding: 14px;
}

.project-status {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    color: var(--text-soft);
}

.project-status.live {
    color: #6ee7a8;
    border-color: rgba(110, 231, 168, 0.35);
    background: rgba(110, 231, 168, 0.1);
}

.project-top {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.project-top h3 {
    font-size: 1.32rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.project-role {
    font-size: 0.78rem;
    color: var(--accent);
    border: 1px solid rgba(124, 139, 255, 0.3);
    padding: 3px 10px;
    border-radius: 999px;
}

.project-desc {
    color: var(--text-soft);
    margin-bottom: 16px;
}

.project-desc strong {
    color: var(--text);
}

.project-points {
    list-style: none;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.project-points li {
    position: relative;
    padding-left: 22px;
    color: var(--text-soft);
    font-size: 0.95rem;
}

.project-points li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent-2);
}

.tags-tech span {
    background: rgba(79, 214, 224, 0.08);
    border-color: rgba(79, 214, 224, 0.2);
    color: #bff0f4;
}

/* ---------- 下载按钮 ---------- */
.project-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 700;
    color: #0a0b14;
    background: var(--grad);
    box-shadow: 0 12px 28px -12px rgba(124, 139, 255, 0.65);
    transition: transform .2s, box-shadow .2s;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 34px -12px rgba(124, 139, 255, 0.8);
}

.btn-download svg {
    width: 16px;
    height: 16px;
}

.download-note {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: #f3c969;
    background: rgba(243, 201, 105, 0.1);
    border: 1px solid rgba(243, 201, 105, 0.28);
    padding: 7px 14px;
    border-radius: 999px;
}

/* ---------- 应用截图画廊 ---------- */
.shots-label {
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.shots {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 12px;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}

.shots::-webkit-scrollbar {
    height: 7px;
}

.shots::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 4px;
}

.shot {
    flex: 0 0 auto;
    width: 132px;
    scroll-snap-align: start;
    margin: 0;
    cursor: zoom-in;
}

.shot img {
    width: 100%;
    display: block;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: #fff;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}

.shot:hover img {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 16px 34px -16px rgba(124, 139, 255, 0.7);
}

.shot figcaption {
    margin-top: 9px;
    font-size: 0.78rem;
    color: var(--text-soft);
    text-align: center;
}

/* ---------- 图片放大 lightbox ---------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4vh 5vw;
    background: rgba(6, 7, 14, 0.86);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s;
    cursor: zoom-out;
}

.lightbox.open {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 100%;
    max-height: 92vh;
    border-radius: 18px;
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8);
    transform: scale(.96);
    transition: transform .25s;
}

.lightbox.open img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 22px;
    right: 26px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------- 时间轴 ---------- */
.timeline {
    position: relative;
    padding-left: 28px;
    max-width: 760px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(var(--accent), var(--accent-2), transparent);
}

.tl-item {
    position: relative;
    padding: 0 0 30px 24px;
}

.tl-item:last-child {
    padding-bottom: 0;
}

.tl-dot {
    position: absolute;
    left: -28px;
    top: 6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg);
    border: 3px solid var(--accent);
}

.tl-body h4 {
    font-size: 1.06rem;
    margin-bottom: 4px;
}

.tl-body p {
    color: var(--text-dim);
    font-size: 0.94rem;
}

/* ---------- 联系 ---------- */
.section-contact {
    padding-bottom: 120px;
}

.contact-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 60px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(124, 139, 255, 0.14), transparent 60%);
    pointer-events: none;
}

.contact-box .section-tag {
    display: block;
}

.contact-box h2 {
    font-size: clamp(1.6rem, 4vw, 2.3rem);
    margin-bottom: 12px;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 36px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    padding: 18px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-soft);
    transition: transform .2s, border-color .2s;
    min-width: 240px;
}

a.contact-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.ci-icon {
    font-size: 1.5rem;
}

.ci-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-dim);
}

.ci-val {
    display: block;
    font-weight: 600;
    color: var(--text);
}

/* ---------- 页脚 ---------- */
.footer {
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 30px 24px;
    color: var(--text-dim);
    font-size: 0.86rem;
}

/* ---------- 滚动揭示动画 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1);
}

.reveal.in {
    opacity: 1;
    transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .project-side {
        flex-direction: row;
        align-items: center;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 70px 20px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 75%;
        max-width: 320px;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        gap: 26px;
        padding: 40px;
        background: rgba(12, 14, 24, 0.96);
        backdrop-filter: blur(20px);
        border-left: 1px solid var(--border);
        transform: translateX(100%);
        transition: transform .35s cubic-bezier(.2, .7, .2, 1);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 110;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 28px;
    }

    .stat-num {
        font-size: 1.8rem;
    }

    .contact-box {
        padding: 44px 24px;
    }

    .contact-item {
        min-width: 100%;
    }
}