/* ===== VINCE · 个人作品集样式 ===== */
:root{
    --bg:#f5f6fb;          /* 整体浅灰蓝底（默认浅色） */
    --text:#191e30;         /* 深字保证对比 */
    --muted:#5b6275;        /* 次要文字 */
    --accent:#7c5cff;
    --accent2:#22d3ee;
    --grad:linear-gradient(135deg,#7c5cff 0%,#22d3ee 100%);
    --grad-warm:linear-gradient(135deg,#7c5cff,#f093fb);
    --card:rgba(255,255,255,.72);          /* 毛玻璃卡片 */
    --card-border:rgba(150,160,200,.22);   /* 柔和边线 */
    --shadow:0 8px 30px rgba(120,125,170,.14);
    --radius:22px;
    --transition:all .3s cubic-bezier(.23,1,.32,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden;transition:background .4s,color .4s}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1140px;margin:0 auto;padding:0 24px}

/* 跳过链接 */
.skip-link{position:absolute;top:-100px;left:20px;background:var(--accent);color:#fff;padding:10px 22px;border-radius:0 0 8px 8px;z-index:9999;transition:top .3s}
.skip-link:focus{top:0}

/* ===== 导航 ===== */
header{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(14px);background:rgba(11,16,32,.72);border-bottom:1px solid var(--card-border)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;max-width:1140px;margin:0 auto}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:28px;font-size:.92rem;color:var(--muted);font-weight:500}
.nav-links a{transition:.25s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:50%;background:var(--card);border:1px solid var(--card-border);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:var(--transition)}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);transform:scale(1.05)}
.icon-btn img{width:20px;height:20px}
.btn-nav{background:var(--grad);color:#fff;padding:9px 22px;border-radius:50px;font-weight:600;font-size:.88rem;transition:.25s;box-shadow:0 6px 20px rgba(124,92,255,.35)}
.btn-nav:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(124,92,255,.5)}
.hamburger{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;padding:4px}
@media(max-width:860px){
    .nav-links{display:none}
    .hamburger{display:block}
    .nav-links.open{display:flex;flex-direction:column;position:absolute;top:66px;left:0;width:100%;background:var(--bg);border-bottom:1px solid var(--card-border);padding:18px 24px;gap:14px}
}

/* ===== 各版块差异化浅色底色 + 柔和彩色光晕（默认即为浅色，无主题切换） ===== */

/* ===== 版块背景光晕（区分明显） ===== */
section{position:relative;padding:90px 0;overflow:hidden}
.section-glow{position:absolute;inset:0;pointer-events:none;z-index:0}
.section-glow::before,.section-glow::after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;transition:opacity .6s}
section>.container{position:relative;z-index:1}
/* HERO：淡紫靛蓝，紫光左上 + 青副光右下 */
#hero{background:#eef0fb;padding-top:150px}
#hero .section-glow::before{background:#c7c4ff;top:-22%;left:-8%;width:52%;opacity:.55}
#hero .section-glow::after{background:#bef0fa;bottom:-18%;right:-8%;width:42%;opacity:.5}
/* ABOUT：淡青薄荷 + 网格纹理，冷科技感 */
#about{background:#eef7f8}
#about .section-glow::before{background:#a8e8ef;top:-14%;right:-6%;width:38%;opacity:.5}
#about .section-glow::after{inset:0;background-image:linear-gradient(rgba(95,212,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(95,212,255,.10) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 20% 50%,#000,transparent 72%);-webkit-mask-image:radial-gradient(circle at 20% 50%,#000,transparent 72%);border-radius:0;opacity:1}
/* SKILLS：淡紫薰衣草，紫光带最强 */
#skills{background:#f1eefa}
#skills .section-glow::before{background:#cdc7ff;top:0;left:-6%;width:44%;opacity:.6}
#skills .section-glow::after{background:#bfeef5;bottom:8%;right:-8%;width:32%;opacity:.5}
/* WORK：淡靛午夜蓝灰，压暗让彩色项目封面跳脱 */
#work{background:#ecedf5}
#work .section-glow::before{background:#d4cdff;top:-10%;left:28%;width:48%;opacity:.5}
/* CONTACT：淡粉紫暖光，沟通温度 */
#contact{background:#f3eef5}
#contact .section-glow::before{background:#d6cfff;top:-10%;right:-6%;width:42%;opacity:.55}
#contact .section-glow::after{background:#fbcfe8;bottom:-8%;right:8%;width:32%;opacity:.45}

/* 品牌条浅底 */
.brands{background:rgba(255,255,255,.5)}
/* 项目封面底部渐变改用浅底 */
.project-visual::after{background:linear-gradient(180deg,transparent 40%,rgba(245,246,251,.35))}
/* 导航浅色背景 */
header{background:rgba(245,246,251,.78)}

/* ===== Hero ===== */
.hero-grid{display:grid;grid-template-columns:1fr 340px;gap:60px;align-items:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(124,92,255,.12);color:#c4b5fd;border:1px solid rgba(124,92,255,.3);padding:6px 16px;border-radius:50px;font-size:.82rem;font-weight:600;margin-bottom:24px}
.hero-badge .dot{width:8px;height:8px;background:#22d3ee;border-radius:50%;box-shadow:0 0 10px #22d3ee}
.hero h1{font-size:3.4rem;font-weight:800;line-height:1.12;letter-spacing:-.03em}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--muted);font-size:1.05rem;margin:22px 0 30px;max-width:480px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{background:var(--grad);color:#fff;padding:14px 34px;border-radius:60px;font-weight:600;border:none;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:10px;box-shadow:0 8px 26px rgba(124,92,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(124,92,255,.45)}
.btn-ghost{background:transparent;color:var(--text);padding:13px 28px;border-radius:60px;font-weight:500;border:1.5px solid var(--card-border);transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-ghost:hover{border-color:var(--accent);background:rgba(124,92,255,.08)}
.profile-card{position:relative;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);backdrop-filter:blur(6px)}
.profile-img{width:200px;height:200px;border-radius:50%;margin:0 auto 20px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:88px;color:rgba(255,255,255,.9);box-shadow:0 0 0 6px rgba(124,92,255,.15);animation:morph 10s infinite alternate ease-in-out}
@keyframes morph{0%{border-radius:42% 58% 70% 30%/44% 52% 48% 56%}100%{border-radius:55% 45% 33% 67%/54% 43% 57% 46%}}
.profile-card h3{font-size:1.4rem;font-weight:700}
.profile-card .role{color:var(--accent2);font-size:.9rem;font-weight:500;margin-top:4px}
.profile-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.profile-tags span{background:rgba(34,211,238,.1);color:var(--accent2);font-size:.75rem;font-weight:600;padding:5px 14px;border-radius:40px;border:1px solid rgba(34,211,238,.25)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px;position:relative;z-index:1}
.stat{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:26px;text-align:center;transition:var(--transition);backdrop-filter:blur(6px)}
.stat:hover{border-color:rgba(124,92,255,.4);transform:translateY(-4px)}
.stat .num{font-size:2.2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-size:.88rem;margin-top:4px}

/* ===== 通用 section 头 ===== */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:44px;gap:20px;flex-wrap:wrap}
.sec-label{color:var(--accent2);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;margin-bottom:8px}
.sec-title{font-size:2.1rem;font-weight:750;letter-spacing:-.02em}
.sec-sub{color:var(--muted);max-width:460px;font-size:.98rem}

/* ===== 品牌条 ===== */
.brands{padding:40px 0;background:rgba(255,255,255,.02);border-top:1px solid var(--card-border);border-bottom:1px solid var(--card-border);position:relative;z-index:1}
.brands-track{display:flex;gap:60px;justify-content:center;align-items:center;flex-wrap:wrap;opacity:.7}
.brands-track span{font-size:1.4rem;font-weight:700;color:var(--muted);letter-spacing:.05em;display:flex;align-items:center;gap:8px;transition:.25s}
.brands-track span:hover{color:var(--text)}

/* ===== 技能 ===== */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.skill-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:30px 26px;transition:var(--transition);position:relative;overflow:hidden;backdrop-filter:blur(6px)}
.skill-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:var(--transition)}
.skill-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(124,92,255,.3)}
.skill-card:hover::before{opacity:1}
.skill-icon{width:56px;height:56px;border-radius:16px;background:rgba(124,92,255,.12);display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:var(--accent);margin-bottom:18px}
.skill-card h4{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.skill-card p{color:var(--muted);font-size:.9rem}

/* ===== 项目（数据驱动） ===== */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}
.project-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column;backdrop-filter:blur(6px)}
.project-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(124,92,255,.3)}
.project-visual{height:190px;display:flex;align-items:center;justify-content:center;font-size:64px;color:rgba(255,255,255,.88);position:relative;overflow:hidden}
.project-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(11,16,32,.5))}
.project-body{padding:24px;flex:1;display:flex;flex-direction:column}
.project-body h3{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.project-body p{color:var(--muted);font-size:.88rem;flex:1}
.project-tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.project-tags span{background:rgba(124,92,255,.08);color:var(--accent);font-size:.72rem;font-weight:600;padding:4px 12px;border-radius:40px}
.project-link{color:var(--accent2);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px;margin-top:auto;transition:var(--transition)}
.project-link:hover{gap:12px;color:var(--accent)}

/* ===== 联系 ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow);backdrop-filter:blur(6px);position:relative;z-index:1}
.contact-info h3{font-size:1.6rem;font-weight:750;margin-bottom:14px}
.contact-info>p{color:var(--muted);margin-bottom:26px}
.contact-item{display:flex;align-items:center;gap:16px;margin-bottom:20px;color:var(--muted)}
.contact-item i{width:42px;height:42px;border-radius:50%;background:rgba(124,92,255,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1rem}
.contact-item div{font-weight:500;color:var(--text);font-size:.92rem}
.contact-item small{color:var(--muted);font-size:.8rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:6px;font-weight:500}
.form-group input,.form-group textarea{width:100%;background:rgba(255,255,255,.6);border:1px solid var(--card-border);border-radius:14px;padding:13px 16px;color:var(--text);font-size:.95rem;font-family:inherit;transition:var(--transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);background:rgba(124,92,255,.06)}
.form-group textarea{resize:vertical;min-height:120px}
.socials{display:flex;gap:14px;margin-top:8px}
.socials a{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.55);border:1px solid var(--card-border);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:1.05rem;transition:var(--transition)}
.socials a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-3px)}

/* ===== Footer ===== */
footer{padding:36px 0 44px;border-top:1px solid var(--card-border);text-align:center;color:var(--muted);font-size:.88rem;position:relative;z-index:1}
footer span{color:var(--accent)}

/* ===== 响应式 ===== */
@media(max-width:860px){
    .hero-grid{grid-template-columns:1fr;gap:40px}
    .hero h1{font-size:2.6rem}
    .stats{grid-template-columns:repeat(3,1fr);gap:12px}
    .stat{padding:18px 10px}
    .stat .num{font-size:1.7rem}
    .contact-wrap{grid-template-columns:1fr;padding:28px}
    .form-row{grid-template-columns:1fr}
}
@media(max-width:560px){
    .nav-links{display:none}
    .hero{padding-top:120px}
    .hero h1{font-size:2.1rem}
    .stats{grid-template-columns:1fr;gap:14px}
    .sec-title{font-size:1.7rem}
    .profile-img{width:150px;height:150px;font-size:64px}
}