/* ===== 王路莹 · 数据分析师作品集 ===== */
:root{
  --bg:#0a1122; --bg2:#0d1730; --card:#111d38; --card2:#16244a;
  --line:rgba(148,163,184,.14); --line2:rgba(148,163,184,.25);
  --txt:#e8eefb; --sub:#94a3b8; --mut:#64748b;
  --teal:#2dd4bf; --blue:#38bdf8; --amber:#fbbf24; --rose:#fb7185; --violet:#a78bfa;
  --grad:linear-gradient(120deg,#2dd4bf,#38bdf8);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;
  background:radial-gradient(900px 480px at 85% -5%,rgba(56,189,248,.13),transparent 60%),
             radial-gradient(760px 420px at -10% 30%,rgba(45,212,191,.10),transparent 60%),
             radial-gradient(700px 500px at 60% 110%,rgba(167,139,250,.08),transparent 60%);}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
::selection{background:rgba(45,212,191,.35)}

/* ---- 顶部导航 ---- */
.nav{position:fixed;top:0;left:0;right:0;z-index:90;backdrop-filter:blur(14px);background:rgba(10,17,34,.78);border-bottom:1px solid var(--line)}
.nav-in{max-width:1180px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:28px}
.logo{font-weight:800;font-size:17px;letter-spacing:.5px;display:flex;align-items:center;gap:9px}
.logo i{width:26px;height:26px;border-radius:8px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:13px;color:#06202a;font-weight:900}
.nav-links{margin-left:auto;display:flex;gap:4px}
.nav-links a{padding:7px 13px;border-radius:8px;font-size:14px;color:var(--sub);transition:.2s}
.nav-links a:hover,.nav-links a.on{color:var(--txt);background:rgba(148,163,184,.12)}

/* ---- 通用 ---- */
.sec{padding:84px 0}
.sec-h{margin-bottom:38px}
.sec-k{font-size:13px;letter-spacing:3px;color:var(--teal);font-weight:700;text-transform:uppercase}
.sec-t{font-size:30px;font-weight:800;margin-top:6px}
.sec-d{color:var(--sub);margin-top:8px;max-width:640px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:12.5px;border:1px solid var(--line2);color:var(--sub);background:rgba(148,163,184,.07)}
.chip.c-teal{color:var(--teal);border-color:rgba(45,212,191,.4);background:rgba(45,212,191,.09)}
.chip.c-blue{color:var(--blue);border-color:rgba(56,189,248,.4);background:rgba(56,189,248,.09)}
.chip.c-amber{color:var(--amber);border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.09)}
.chip.c-rose{color:var(--rose);border-color:rgba(251,113,133,.4);background:rgba(251,113,133,.09)}
.chip.c-violet{color:var(--violet);border-color:rgba(167,139,250,.4);background:rgba(167,139,250,.09)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:11px;font-size:14.5px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.22s}
.btn-pri{background:var(--grad);color:#05242e;box-shadow:0 6px 22px rgba(45,212,191,.28)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(45,212,191,.4)}
.btn-ghost{border-color:var(--line2);color:var(--txt);background:rgba(148,163,184,.06)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px}
.rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ---- 首页 Hero ---- */
.hero{min-height:100vh;display:flex;align-items:center;padding:120px 0 70px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:56px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(45,212,191,.35);background:rgba(45,212,191,.08);color:var(--teal);font-size:13px}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);animation:pl 1.8s infinite}
@keyframes pl{50%{opacity:.35}}
.hero h1{font-size:52px;line-height:1.2;font-weight:900;margin:22px 0 8px}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-role{font-size:21px;color:var(--sub);font-weight:600}
.hero-desc{color:var(--sub);margin:18px 0 26px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hm{font-size:13.5px;color:var(--sub);display:flex;align-items:center;gap:7px}
.hm b{color:var(--txt)}
.hero-card{position:relative}
.photo-box{border-radius:22px;overflow:hidden;border:1px solid var(--line2);box-shadow:0 24px 70px rgba(0,0,0,.5);aspect-ratio:4/5;background:var(--card2)}
.photo-box img{width:100%;height:100%;object-fit:cover}
.float-chip{position:absolute;padding:11px 16px;border-radius:13px;background:rgba(17,29,56,.92);border:1px solid var(--line2);backdrop-filter:blur(8px);box-shadow:0 10px 30px rgba(0,0,0,.4);animation:fl 4.5s ease-in-out infinite}
.float-chip .n{font-size:21px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.float-chip .t{font-size:12px;color:var(--sub)}
.fc1{top:26px;left:-34px}
.fc2{bottom:96px;right:-26px;animation-delay:1.2s}
.fc3{bottom:-18px;left:30px;animation-delay:2.1s}
@keyframes fl{50%{transform:translateY(-9px)}}

/* ---- 技能矩阵 ---- */
.sk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sk-card{padding:28px 26px;position:relative;overflow:hidden;transition:.25s}
.sk-card:hover{transform:translateY(-5px);border-color:var(--line2);box-shadow:0 18px 44px rgba(0,0,0,.35)}
.sk-ic{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;margin-bottom:16px}
.sk-card h3{font-size:20px;margin-bottom:4px}
.sk-lv{font-size:12.5px;color:var(--mut)}
.sk-bar{height:7px;border-radius:99px;background:rgba(148,163,184,.14);margin:15px 0 9px;overflow:hidden}
.sk-bar i{display:block;height:100%;border-radius:99px;background:var(--grad);width:0;transition:width 1.1s cubic-bezier(.2,.7,.3,1)}
.sk-pct{font-size:13px;color:var(--teal);font-weight:700}
.sk-list{list-style:none;margin-top:13px}
.sk-list li{font-size:13.8px;color:var(--sub);padding:5px 0 5px 20px;position:relative}
.sk-list li::before{content:"▸";position:absolute;left:2px;color:var(--teal)}
.sk-tools{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;justify-content:center}
.radar-box{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-top:56px}
#radar{width:100%;height:380px}

/* ---- 项目卡片 ---- */
.pj-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.pj-card{overflow:hidden;display:flex;flex-direction:column;transition:.28s;cursor:pointer;position:relative}
.pj-card:hover{transform:translateY(-6px);border-color:rgba(45,212,191,.45);box-shadow:0 22px 55px rgba(0,0,0,.45)}
.pj-cover{height:215px;overflow:hidden;position:relative;background:var(--card2)}
.pj-cover img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .5s}
.pj-card:hover .pj-cover img{transform:scale(1.05)}
.pj-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(10,17,34,.9))}
.pj-badge{position:absolute;top:14px;left:14px;z-index:2}
.pj-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.pj-body h3{font-size:20px}
.pj-body p{font-size:14px;color:var(--sub);flex:1}
.pj-tags{display:flex;flex-wrap:wrap;gap:7px}
.pj-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px}
.pj-metric{font-size:13px;color:var(--amber);font-weight:700}
.pj-go{font-size:14px;color:var(--teal);font-weight:700;display:flex;align-items:center;gap:6px;transition:gap .2s}
.pj-card:hover .pj-go{gap:11px}

/* ---- 时间线 ---- */
.tl{position:relative;padding-left:30px}
.tl::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--teal),var(--blue),transparent)}
.tl-it{position:relative;padding:0 0 34px 22px}
.tl-it::before{content:"";position:absolute;left:-28px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:3px solid var(--teal)}
.tl-date{font-size:13px;color:var(--teal);font-weight:700}
.tl-it h3{font-size:18.5px;margin:5px 0 3px}
.tl-it .org{color:var(--sub);font-size:14px;margin-bottom:8px}
.tl-it ul{list-style:none}
.tl-it li{font-size:14px;color:var(--sub);padding:3px 0 3px 18px;position:relative}
.tl-it li::before{content:"·";position:absolute;left:4px;color:var(--teal);font-weight:900}

/* ---- 页脚 ---- */
footer{border-top:1px solid var(--line);padding:44px 0 34px;text-align:center;color:var(--sub);font-size:14px}
footer .f-cta{font-size:22px;font-weight:800;color:var(--txt);margin-bottom:10px}
footer .f-links{display:flex;gap:12px;justify-content:center;margin:16px 0 20px}

/* ======== 详情页 ======== */
.pj-hero{padding:130px 0 60px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.pj-hero .crumb{font-size:13.5px;color:var(--mut);margin-bottom:20px}
.pj-hero .crumb a{color:var(--teal)}
.pj-hero h1{font-size:38px;font-weight:900;line-height:1.3;max-width:860px}
.pj-hero .lead{color:var(--sub);margin-top:14px;max-width:760px;font-size:16px}
.pj-hero .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pj-hero .cta{display:flex;gap:13px;margin-top:28px;flex-wrap:wrap}
.sec-block{padding:52px 0;border-bottom:1px solid var(--line)}
.sec-block:last-of-type{border-bottom:none}
.b-h{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.b-n{width:36px;height:36px;border-radius:10px;background:var(--grad);color:#05242e;font-weight:900;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.b-h h2{font-size:24px;font-weight:800}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.info-card{padding:22px 24px}
.info-card h4{font-size:15px;color:var(--teal);margin-bottom:9px;display:flex;align-items:center;gap:8px}
.info-card p,.info-card li{font-size:14.3px;color:var(--sub)}
.info-card ul{list-style:none}
.info-card li{padding:4px 0 4px 18px;position:relative}
.info-card li::before{content:"▸";position:absolute;left:2px;color:var(--blue)}
.tool-grid{display:flex;flex-wrap:wrap;gap:10px}
.tool{padding:12px 18px;border-radius:12px;background:var(--card);border:1px solid var(--line);text-align:center;transition:.2s}
.tool:hover{border-color:rgba(45,212,191,.45);transform:translateY(-3px)}
.tool b{display:block;font-size:15px}
.tool span{font-size:12px;color:var(--mut)}

/* 关键步骤 stepper */
.steps{counter-reset:st;display:grid;gap:14px}
.step{display:grid;grid-template-columns:46px 1fr;gap:18px;padding:20px 22px;background:var(--card);border:1px solid var(--line);border-radius:14px;transition:.2s}
.step:hover{border-color:var(--line2);transform:translateX(5px)}
.step::before{counter-increment:st;content:counter(st,decimal-leading-zero);width:44px;height:44px;border-radius:12px;background:rgba(45,212,191,.12);border:1px solid rgba(45,212,191,.4);color:var(--teal);font-weight:900;font-size:16px;display:flex;align-items:center;justify-content:center}
.step h4{font-size:16.5px;margin-bottom:4px}
.step p{font-size:14px;color:var(--sub)}

/* 图库 */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gal.g2{grid-template-columns:repeat(2,1fr)}
.gal-it{border-radius:13px;overflow:hidden;border:1px solid var(--line);background:var(--card2);cursor:zoom-in;position:relative;transition:.25s}
.gal-it:hover{border-color:rgba(45,212,191,.5);transform:translateY(-4px);box-shadow:0 14px 36px rgba(0,0,0,.4)}
.gal-it img{width:100%;height:190px;object-fit:cover;object-position:top}
.gal-it .cap{padding:10px 14px;font-size:13px;color:var(--sub);border-top:1px solid var(--line)}
.gal-it::after{content:"⤢ 点击放大";position:absolute;top:10px;right:10px;padding:4px 10px;border-radius:8px;background:rgba(10,17,34,.82);color:var(--teal);font-size:12px;opacity:0;transition:.2s}
.gal-it:hover::after{opacity:1}

/* Demo 穿透卡片 */
.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.demo-card{padding:20px;background:var(--card);border:1px solid var(--line);border-radius:14px;cursor:pointer;transition:.22s;position:relative;overflow:hidden}
.demo-card:hover{border-color:rgba(56,189,248,.55);transform:translateY(-4px);box-shadow:0 14px 36px rgba(0,0,0,.4)}
.demo-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:.2s}
.demo-card:hover::before{opacity:1}
.demo-card .di{font-size:24px;margin-bottom:10px}
.demo-card h4{font-size:15.5px;margin-bottom:5px}
.demo-card p{font-size:13px;color:var(--sub)}
.demo-card .open{margin-top:12px;font-size:13px;color:var(--blue);font-weight:700}
.demo-hero{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.demo-main{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line2);min-height:420px;background:var(--card2);cursor:pointer}
.demo-main iframe{width:100%;height:100%;min-height:420px;border:0;pointer-events:none}
.demo-main .mask{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(10,17,34,.55);backdrop-filter:blur(2px);transition:.25s}
.demo-main:hover .mask{background:rgba(10,17,34,.35)}

/* 成果指标 */
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.res-card{padding:24px 20px;text-align:center;position:relative;overflow:hidden}
.res-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.res-n{font-size:34px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.res-t{font-size:13.5px;color:var(--sub);margin-top:6px}

/* 灯箱 */
.lb{position:fixed;inset:0;z-index:200;background:rgba(4,8,18,.93);display:none;align-items:center;justify-content:center;flex-direction:column;backdrop-filter:blur(6px)}
.lb.show{display:flex}
.lb img{max-width:92vw;max-height:82vh;border-radius:12px;box-shadow:0 30px 90px rgba(0,0,0,.7)}
.lb .cap{color:var(--sub);margin-top:14px;font-size:14px}
.lb .x{position:absolute;top:22px;right:30px;font-size:34px;color:#fff;cursor:pointer;opacity:.7;transition:.2s}
.lb .x:hover{opacity:1;transform:scale(1.15)}
.lb .arr{position:absolute;top:50%;transform:translateY(-50%);font-size:40px;color:#fff;opacity:.55;cursor:pointer;padding:20px;user-select:none;transition:.2s}
.lb .arr:hover{opacity:1}
.lb .prev{left:14px}.lb .next{right:14px}

/* Demo 查看器 */
.dv{position:fixed;inset:0;z-index:210;background:rgba(4,8,18,.96);display:none;flex-direction:column}
.dv.show{display:flex}
.dv-bar{height:56px;flex-shrink:0;display:flex;align-items:center;gap:14px;padding:0 20px;border-bottom:1px solid var(--line);background:rgba(10,17,34,.9)}
.dv-bar .tt{font-weight:700;font-size:15.5px}
.dv-bar .chip{margin-left:2px}
.dv-bar .sp{flex:1}
.dv-bar .btn{padding:8px 16px;font-size:13.5px}
.dv-frame{flex:1;position:relative;background:#0d1730}
.dv-frame iframe{width:100%;height:100%;border:0;background:#fff}
.dv-frame.phone-mode{display:flex;justify-content:center;padding:22px}
.dv-frame.phone-mode iframe{width:430px;max-width:94vw;border-radius:22px;border:1px solid var(--line2);box-shadow:0 22px 70px rgba(0,0,0,.6);background:#faf6ee}

.back-home{position:fixed;bottom:26px;right:26px;z-index:80}
.back-home a{width:48px;height:48px;border-radius:50%;background:var(--card);border:1px solid var(--line2);display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--teal);box-shadow:0 10px 30px rgba(0,0,0,.4);transition:.2s}
.back-home a:hover{transform:translateY(-4px);border-color:var(--teal)}

@media (max-width:960px){
  .hero-grid,.two-col,.radar-box,.demo-hero{grid-template-columns:1fr}
  .sk-grid{grid-template-columns:1fr}
  .pj-grid{grid-template-columns:1fr}
  .gal,.demo-grid{grid-template-columns:repeat(2,1fr)}
  .res-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:38px}
  .nav-links{display:none}
  .float-chip{display:none}
}
@media (max-width:600px){.gal,.demo-grid,.res-grid{grid-template-columns:1fr}}

/* ======== 侧边栏首页布局（index-sidebar.html） ======== */
.sb{position:fixed;left:0;top:0;bottom:0;width:252px;z-index:95;padding:22px 16px;
  background:linear-gradient(180deg,#0b1428 0%,#0f1d3d 100%);
  border-right:1px solid var(--line);display:flex;flex-direction:column;overflow-y:auto}
.sb::-webkit-scrollbar{width:5px}
.sb::-webkit-scrollbar-thumb{background:rgba(148,163,184,.25);border-radius:9px}
.sb-brand{display:flex;align-items:center;gap:11px;padding:0 8px 18px;border-bottom:1px solid var(--line);margin-bottom:16px}
.sb-brand i{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#06202a;
  font-weight:900;font-style:normal;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sb-brand b{font-size:15.5px;display:block;line-height:1.35}
.sb-brand span{font-size:11.5px;color:var(--mut)}
.sb-g{margin-bottom:18px}
.sb-g-t{font-size:10.5px;letter-spacing:2px;color:var(--mut);padding:0 11px 8px;font-weight:700}
.sb-a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--sub);
  font-size:14px;cursor:pointer;transition:.18s;position:relative;margin-bottom:2px}
.sb-a:hover{background:rgba(148,163,184,.1);color:var(--txt)}
.sb-a.on{background:rgba(45,212,191,.13);color:var(--teal);font-weight:600}
.sb-a.on::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:9px;background:var(--teal)}
.sb-a .ico{width:22px;text-align:center;font-size:14px;flex-shrink:0}
.sb-a .ttag{margin-left:auto;font-size:10.5px;color:var(--mut);border:1px solid var(--line2);padding:1px 7px;border-radius:6px}
.sb-foot{margin-top:auto;padding:14px 11px 0;border-top:1px solid var(--line);font-size:11.5px;color:var(--mut);line-height:1.95}
.sb-foot .live{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:6px;box-shadow:0 0 0 3px rgba(45,212,191,.18)}

.sb-main{margin-left:252px;min-height:100vh;display:flex;flex-direction:column}
.sb-hd{height:58px;flex-shrink:0;display:flex;align-items:center;gap:10px;padding:0 24px;border-bottom:1px solid var(--line);background:rgba(10,17,34,.6);backdrop-filter:blur(10px);position:sticky;top:0;z-index:60}
.sb-hd .t{font-size:12.5px;color:var(--mut)}
.sb-hd .r{margin-left:auto;display:flex;gap:9px}
.sb-main .hero{min-height:auto;padding:56px 0 48px}
.sb-main .hero h1{font-size:42px}
.sb-main .sec{padding:62px 0}

@media (max-width:1200px){.sb{width:216px}.sb-main{margin-left:216px}.sb-main .hero h1{font-size:36px}}
@media (max-width:960px){
  .sb{position:static;width:100%;padding:16px;border-right:none;border-bottom:1px solid var(--line)}
  .sb-brand{padding-bottom:12px;margin-bottom:12px}
  .sb-g{margin-bottom:10px}
  .sb-g-t{display:none}
  .sb-a{display:inline-flex;width:auto;margin:0 6px 6px 0}
  .sb-g{display:flex;flex-wrap:wrap;align-items:center}
  .sb-foot{margin-top:8px;padding-top:12px}
  .sb-main{margin-left:0}
  .sb-hd{position:static}
  .sb-main .hero h1{font-size:32px}
}