/* ============================================================
   李铭倜 · 个人主页  —— 暗色新拟态 × 全屏翻页
   ============================================================ */

/* ---------- 设计变量 ---------- */
@property --acc  { syntax:'<color>'; inherits:true; initial-value:#22d3ee; }
@property --acc2 { syntax:'<color>'; inherits:true; initial-value:#a78bfa; }

:root{
  --bg:      #151823;
  --surface: #1b2030;
  --surface2:#202639;
  --sh-d:    #0b0d15;
  --sh-l:    rgba(255,255,255,.05);
  --ink:     #e9edf8;
  --ink-dim: #98a1b8;
  --ink-faint:#5b6478;
  --line:    rgba(255,255,255,.07);

  --raise:    10px 10px 26px var(--sh-d), -8px -8px 22px var(--sh-l);
  --raise-sm: 6px 6px 16px var(--sh-d), -5px -5px 12px var(--sh-l);
  --inset:    inset 6px 6px 14px var(--sh-d), inset -5px -5px 12px var(--sh-l);
  --inset-sm: inset 4px 4px 9px var(--sh-d), inset -3px -3px 8px var(--sh-l);
  --inset-xs: inset 2px 2px 6px var(--sh-d), inset -2px -2px 4px var(--sh-l);   /* 小胶囊专用：轻量凹，避免亮边断层感 */

  --glass:   rgba(23,27,41,.52);
  --r-lg: 28px; --r-md: 20px; --r-sm: 13px;
  --nav-h: 74px;
  --grad: linear-gradient(120deg, var(--acc), var(--acc2));
  --font: "MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
}

/* 各页面主题色 */
body[data-page="home"]    { --acc:#22d3ee; --acc2:#a78bfa; }
body[data-page="about"]   { --acc:#5eead4; --acc2:#60a5fa; }
body[data-page="skills"]  { --acc:#34d399; --acc2:#22d3ee; }
body[data-page="works"]   { --acc:#60a5fa; --acc2:#c084fc; }
body[data-page="path"]    { --acc:#fbbf24; --acc2:#fb7185; }
body[data-page="contact"] { --acc:#f472b6; --acc2:#a78bfa; }
/* 悬停导航选项时，鼠标 / 光晕 / 主题色即时切到对应页面专属色（提高特异性确保覆盖当前页主题） */
body[data-page][data-hover-page="home"]    { --acc:#22d3ee; --acc2:#a78bfa; }
body[data-page][data-hover-page="about"]   { --acc:#5eead4; --acc2:#60a5fa; }
body[data-page][data-hover-page="skills"]  { --acc:#34d399; --acc2:#22d3ee; }
body[data-page][data-hover-page="works"]   { --acc:#60a5fa; --acc2:#c084fc; }
body[data-page][data-hover-page="path"]    { --acc:#fbbf24; --acc2:#fb7185; }
body[data-page][data-hover-page="contact"] { --acc:#f472b6; --acc2:#a78bfa; }

/* 注：--acc/--acc2 经 @property 注册，加 transition 会触发 Chromium 值冻结怪癖，故不做颜色过渡 */

/* ---------- 基础 ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html,body{ height:100%; }
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeSpeed;
}
body.has-cursor, body.has-cursor *{ cursor:none !important; }
::selection{ background:color-mix(in srgb, var(--acc) 40%, transparent); color:#fff; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; }
:focus-visible{ outline:2px solid var(--acc); outline-offset:3px; border-radius:6px; }

.ico{ display:inline-grid; place-items:center; width:1.15em; height:1.15em; flex:none; }
.ico svg{ width:100%; height:100%; }

/* ============================================================
   背景宇宙
   ============================================================ */
.bg{ position:fixed; inset:0; z-index:0; overflow:hidden; --mx:50%; --my:42%; }
.blob{
  position:absolute; width:48vmax; height:48vmax; border-radius:50%;
  filter:blur(100px); opacity:.5; will-change:transform;
}
.b1{ top:-16vmax; left:-12vmax; background:#143b52; }
.b2{ bottom:-18vmax; right:-10vmax; background:#2b2350; }
.b3{ top:30%; left:38%; width:36vmax; height:36vmax; background:#12352e; opacity:.38; }

.grid-base,.grid-layer{
  position:absolute; inset:-1px;
  background-image:
    linear-gradient(rgba(148,163,184,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.09) 1px, transparent 1px);
  background-size:54px 54px;
}
.grid-base{ opacity:.32; }
.grid-layer{
  opacity:.9;
  -webkit-mask-image:radial-gradient(520px circle at var(--mx) var(--my), #000 0%, transparent 72%);
          mask-image:radial-gradient(520px circle at var(--mx) var(--my), #000 0%, transparent 72%);
}
#stars{ position:absolute; inset:0; width:100%; height:100%; }
.spot{
  position:absolute; inset:0; mix-blend-mode:screen;
  background:radial-gradient(560px circle at var(--mx) var(--my),
    color-mix(in srgb, var(--acc) 9%, transparent), transparent 66%);
}
.vignette{
  position:absolute; inset:0;
  background:radial-gradient(120% 90% at 50% 42%, transparent 55%, rgba(7,9,15,.6) 100%);
}
.noise{
  position:absolute; inset:0; opacity:.05; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

/* ============================================================
   自定义光标
   ============================================================ */
.cursor-dot,.cursor-ring{
  position:fixed; top:0; left:0; z-index:300; pointer-events:none;
  border-radius:50%; opacity:0;
}
.cursor-dot{ width:8px; height:8px; margin:-4px 0 0 -4px; background:var(--acc);
  box-shadow:0 0 12px color-mix(in srgb, var(--acc) 80%, transparent); }
.cursor-ring{
  width:40px; height:40px; margin:-20px 0 0 -20px;
  border:1.5px solid color-mix(in srgb, var(--acc) 65%, transparent);
  transition:width .28s ease, height .28s ease, margin .28s ease,
             background-color .28s ease, border-color .28s ease;
}
body.cursor-hot .cursor-ring{
  width:64px; height:64px; margin:-32px 0 0 -32px;
  background:color-mix(in srgb, var(--acc) 10%, transparent);
  border-color:color-mix(in srgb, var(--acc) 90%, transparent);
}
body.cursor-press .cursor-ring{ width:30px; height:30px; margin:-15px 0 0 -15px; }
@media (hover:none){ .cursor-dot,.cursor-ring{ display:none; } }

/* ============================================================
   加载幕布
   ============================================================ */
#preloader{
  position:fixed; inset:0; z-index:400; background:var(--bg);
  display:grid; place-items:center;
}
.pre-inner{ display:grid; justify-items:center; gap:22px; }
.pre-ring{ position:relative; width:112px; height:112px; }
.pre-ring svg{ width:100%; height:100%; transform:rotate(-90deg); }
.pr-track{ fill:none; stroke:var(--sh-d); stroke-width:5; }
.pr-fill{
  fill:none; stroke:url(#prGrad); stroke:var(--acc); stroke-width:5; stroke-linecap:round;
  stroke-dasharray:289; stroke-dashoffset:289;
  filter:drop-shadow(0 0 6px color-mix(in srgb, var(--acc) 70%, transparent));
}
.pre-glyph{
  position:absolute; inset:0; display:grid; place-items:center;
  font-size:40px; font-weight:800;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.pre-count{ font-size:15px; letter-spacing:.35em; color:var(--ink-dim); font-weight:600; }
.pre-tip{ font-size:12.5px; letter-spacing:.2em; color:var(--ink-faint); }

/* ============================================================
   毛玻璃导航栏
   ============================================================ */
.nav{
  position:fixed; top:16px; left:50%; transform:translateX(-50%);
  z-index:120; width:min(1120px, calc(100% - 28px)); height:var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 12px 0 18px; border-radius:999px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(24px) saturate(170%);
          backdrop-filter:blur(24px) saturate(170%);
  border:1px solid var(--line);
  box-shadow:0 20px 55px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.07);
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  width:44px; height:44px; border-radius:50%; display:grid; place-items:center;
  font-size:19px; font-weight:800; color:var(--acc);
  background:var(--surface); box-shadow:var(--inset-sm);
}
.brand-name{ font-weight:700; font-size:17px; letter-spacing:.06em; display:grid; line-height:1.15; }
.brand-name b{ font-size:9.5px; font-weight:600; letter-spacing:.42em; color:var(--ink-faint); }

.nav-links{ position:relative; display:flex; align-items:center; gap:2px;
  padding:5px; border-radius:999px; box-shadow:var(--inset-sm); }
.nav-pill{
  position:absolute; top:0; left:0; height:38.7px; width:0; border-radius:999px;
  background:linear-gradient(160deg, var(--surface2), var(--surface));
  box-shadow:var(--raise-sm);
}
.nav-link{
  position:relative; z-index:1; padding:10px 20px; border-radius:999px;
  font-size:14.5px; font-weight:600; color:var(--ink-dim); letter-spacing:.08em;
  transition:color .3s ease;
}
.nav-link:hover{ color:var(--ink); }
.nav-link.is-active{ color:var(--acc); }
/* 导航选项各自专属色：悬停文字即预览对应页面的颜色 */
.nav-link[data-nav="0"]:hover{ color:#22d3ee; }
.nav-link[data-nav="1"]:hover{ color:#5eead4; }
.nav-link[data-nav="2"]:hover{ color:#34d399; }
.nav-link[data-nav="3"]:hover{ color:#60a5fa; }
.nav-link[data-nav="4"]:hover{ color:#fbbf24; }
.nav-link[data-nav="5"]:hover{ color:#f472b6; }

.nav-right{ display:flex; align-items:center; gap:14px; }
.status-chip{
  display:flex; align-items:center; gap:8px; padding:9px 16px; border-radius:999px;
  font-size:12.5px; font-weight:600; color:var(--ink-dim); letter-spacing:.1em;
  background:var(--surface); box-shadow:var(--inset-sm);
}
.status-chip .pulse{
  width:8px; height:8px; border-radius:50%; background:#34d399;
  box-shadow:0 0 0 0 rgba(52,211,153,.5); animation:pulse 2.2s ease-out infinite;
}
@keyframes pulse{ 70%{ box-shadow:0 0 0 9px rgba(52,211,153,0); } 100%{ box-shadow:0 0 0 0 rgba(52,211,153,0); } }

.burger{ display:none; width:44px; height:44px; border-radius:50%;
  background:var(--surface); box-shadow:var(--raise-sm);
  flex-direction:column; align-items:center; justify-content:center; gap:5px; }
.burger i{ width:16px; height:2px; border-radius:2px; background:var(--ink-dim); transition:.35s ease; }
.burger.open i:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger.open i:nth-child(2){ opacity:0; }
.burger.open i:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* 移动端全屏菜单 */
.mmenu{
  position:fixed; inset:0; z-index:110; display:grid; place-items:center;
  background:rgba(13,16,26,.72);
  -webkit-backdrop-filter:blur(28px); backdrop-filter:blur(28px);
  visibility:hidden; opacity:0;
}
.mmenu-list{ display:grid; gap:6px; text-align:center; }
.mmenu-list a{
  font-size:clamp(30px, 8vw, 42px); font-weight:800; padding:8px 40px; letter-spacing:.1em;
  display:flex; flex-direction:column; align-items:center; line-height:1.2;
}
.mmenu-list a small{ font-size:11px; letter-spacing:.5em; color:var(--ink-faint); font-weight:500; }
.mmenu-list a:active{ color:var(--acc); }

/* ============================================================
   右侧圆点 / 页码 / 提示
   ============================================================ */
.dots{
  position:fixed; right:22px; top:50%; transform:translateY(-50%);
  z-index:110; display:grid; gap:14px; justify-items:center;
}
.dot{ width:11px; height:11px; border-radius:999px; padding:0;
  background:var(--surface); box-shadow:var(--inset-sm); position:relative;
  transition:height .45s cubic-bezier(.6,0,.2,1.4), background .35s; }
.dot::after{
  content:attr(data-label); position:absolute; right:22px; top:50%; translate:0 -50%;
  font-size:11px; letter-spacing:.2em; color:var(--ink-dim); white-space:nowrap;
  opacity:0; transform:translateX(6px); transition:.3s ease; pointer-events:none;
}
.dot:hover::after{ opacity:1; transform:none; }
.dot.on{ height:30px; background:var(--grad); box-shadow:0 0 14px color-mix(in srgb, var(--acc) 55%, transparent); }

.pager{
  position:fixed; left:30px; bottom:26px; z-index:110;
  display:flex; align-items:baseline; gap:8px; font-weight:700;
  color:var(--ink-faint); font-size:13px; letter-spacing:.2em;
}
.pager #pagerCur{ font-size:26px; color:var(--ink); }
.pager em{ font-style:normal; color:var(--ink-faint); }

.hint{
  position:fixed; right:30px; bottom:30px; z-index:110;
  display:flex; align-items:center; gap:12px; color:var(--ink-faint);
  font-size:12px; letter-spacing:.18em;
}
.hint-mouse{
  width:22px; height:34px; border:1.5px solid var(--ink-faint); border-radius:12px;
  display:grid; justify-items:center; padding-top:6px;
}
.hint-mouse i{ width:3px; height:7px; border-radius:3px; background:var(--acc); animation:wheel 1.6s ease-in-out infinite; }
@keyframes wheel{ 0%{ transform:translateY(0); opacity:1; } 70%{ transform:translateY(9px); opacity:0; } 100%{ opacity:0; } }

/* ============================================================
   全屏页面骨架
   ============================================================ */
#stage{ position:fixed; inset:0; z-index:10; }
.slide{ position:absolute; inset:0; visibility:hidden; opacity:0; will-change:transform,opacity,filter; }
.slide.is-active{ visibility:visible; opacity:1; }
.slide-scroll{
  position:absolute; inset:0; overflow-y:auto; overflow-x:hidden;
  scrollbar-width:none; overscroll-behavior:contain;
}
.slide-scroll::-webkit-scrollbar{ display:none; }

.wrap{
  width:min(1180px, calc(100% - 44px)); margin:0 auto;
  padding:calc(var(--nav-h) + 52px) 0 56px; min-height:100%;
  display:flex; flex-direction:column; justify-content:center; gap:34px;
}

.page-head{ display:flex; align-items:baseline; gap:18px; flex-wrap:wrap; }
.ph-no{
  font-size:15px; font-weight:800; letter-spacing:.2em; color:var(--acc);
  padding:7px 13px; border-radius:12px; background:var(--surface); box-shadow:var(--inset-sm);
}
.page-head h2{ font-size:clamp(30px, 4.6vw, 46px); font-weight:800; letter-spacing:.04em;
  display:flex; align-items:baseline; gap:16px; }
.page-head h2 small{ font-size:12px; font-weight:600; letter-spacing:.5em; color:var(--ink-faint); }
.ph-tip{ width:100%; font-size:13px; color:var(--ink-faint); letter-spacing:.12em; margin-top:-14px; padding-left:66px; }

/* ============================================================
   ① 首页
   ============================================================ */
.home-wrap{ display:grid; grid-template-columns:1.05fr .95fr; align-items:center;
  gap:30px; padding-bottom:80px; }
.home-left{ display:grid; gap:22px; justify-items:start; }
.eyebrow{
  display:flex; align-items:center; gap:14px; color:var(--ink-dim);
  font-size:13px; font-weight:600; letter-spacing:.5em;
}
.eyebrow i{ width:44px; height:1px; background:var(--grad); box-shadow:0 0 8px var(--acc); }

/* 名字区：英文上层 + 中文下层，圆形透镜处英文挖洞、中文显形 */
.hero-intro{ position:relative; --mx:50%; --my:50%; --r:0px; }
.hi-en{
  position:relative; z-index:2; display:grid; gap:22px; justify-items:start;
  -webkit-mask-image:radial-gradient(circle at var(--mx) var(--my), transparent var(--r), black calc(var(--r) + 1.5px));
          mask-image:radial-gradient(circle at var(--mx) var(--my), transparent var(--r), black calc(var(--r) + 1.5px));
}
.hi-zh{
  position:absolute; inset:0; z-index:1; display:grid; gap:22px; justify-items:start; align-content:start;
  clip-path:circle(var(--r) at var(--mx) var(--my)); pointer-events:none;
}
.hero-name{ display:grid; }
.hn-row{ font-size:clamp(56px, 7.8vw, 102px); font-weight:900; line-height:.98; letter-spacing:.03em; }
.hero-intro .char{
  display:inline-block;
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  color:transparent; -webkit-text-fill-color:transparent;   /* 双保险：确保镂空，不出块状底色 */
}
.hero-name-zh{
  font-size:clamp(84px, 11.8vw, 148px); font-weight:900; line-height:1; letter-spacing:.02em; padding-top:24px;
  white-space:nowrap;   /* 中文三字一行，超宽部分由透镜裁切即可，不换行 */
  background:var(--grad); -webkit-background-clip:text; background-clip:text;
  color:transparent; -webkit-text-fill-color:transparent;
}
.hero-intro.hn-static .hi-en{ display:none; }
.hero-intro.hn-static .hi-zh{ position:static; clip-path:none; }
.hero-roles{ display:flex; align-items:center; gap:16px; font-size:clamp(19px, 2.4vw, 27px); font-weight:700; }
.role{ letter-spacing:.14em; }
.role-x{ color:var(--acc); font-weight:400; font-size:.9em; }
.hero-tag{ font-size:clamp(16px, 1.9vw, 21px); color:var(--ink-dim); letter-spacing:.06em; }
.hero-tag em{ font-style:normal; color:var(--ink); font-weight:700; }
.hero-sub{ max-width:52ch; font-size:14.5px; line-height:2; color:var(--ink-faint); }

.hero-cta{ display:flex; gap:16px; margin-top:6px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:10px; padding:17px 32px;
  border-radius:999px; font-size:15px; font-weight:700; letter-spacing:.1em;
  background:var(--surface); color:var(--ink); box-shadow:var(--raise-sm);
  transition:transform .3s ease, box-shadow .3s ease, color .3s;
}
.btn:hover{ transform:translateY(-3px); color:var(--acc);
  box-shadow:var(--raise-sm), 0 12px 34px color-mix(in srgb, var(--acc) 22%, transparent); }
.btn:active{ transform:translateY(0); box-shadow:var(--inset-sm); }
.btn-primary{ color:#0b0d15; background:var(--grad); box-shadow:var(--raise-sm), 0 10px 30px color-mix(in srgb, var(--acc) 30%, transparent); }
.btn-primary:hover{ color:#0b0d15; filter:brightness(1.1); }

.home-right{ display:grid; justify-items:center; gap:18px; }
.orb-shell{ position:relative; width:min(46vh, 430px); aspect-ratio:1; }
#orb{ width:100%; height:100%; display:block; }
.orb-tag{
  position:absolute; bottom:-6px; left:50%; transform:translateX(-50%);
  font-size:11px; letter-spacing:.42em; color:var(--ink-faint); white-space:nowrap;
}
.home-stats{
  grid-column:1 / -1; align-self:end;
  display:grid; grid-template-columns:repeat(4, 1fr); gap:18px;
}
.stat{
  display:grid; gap:6px; justify-items:center; padding:20px 10px;
  border-radius:var(--r-md); background:var(--surface); box-shadow:var(--inset-sm);
}
.stat b{ font-size:clamp(24px, 3vw, 34px); font-weight:800; background:var(--grad);
  -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat span{ font-size:12px; letter-spacing:.22em; color:var(--ink-dim); }

/* ============================================================
   ② 关于
   ============================================================ */
.about-grid{ display:grid; grid-template-columns:340px 1fr; gap:34px; align-items:stretch; }
.avatar-card{
  position:relative; display:grid; justify-items:center; gap:10px;
  padding:38px 26px 26px; border-radius:var(--r-lg);
  background:var(--surface); box-shadow:var(--raise);
}
.avatar-circle{
  width:128px; height:128px; border-radius:50%; display:grid; place-items:center;
  background:var(--surface); box-shadow:var(--inset);
  margin-bottom:6px; position:relative; z-index:1;
}
.avatar-circle span{
  font-size:52px; font-weight:900;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.avatar-orbit{ position:absolute; top:38px; left:50%; width:190px; height:190px;
  translate:-50% 0; animation:spin 14s linear infinite; pointer-events:none; }
.avatar-orbit i{ position:absolute; top:50%; left:50%; width:10px; height:10px; margin:-5px;
  border-radius:50%; background:var(--acc); opacity:.85;
  box-shadow:0 0 10px var(--acc); }
.avatar-orbit i:nth-child(1){ transform:rotate(0deg)   translateX(95px); }
.avatar-orbit i:nth-child(2){ transform:rotate(130deg) translateX(95px); background:var(--acc2); box-shadow:0 0 10px var(--acc2); }
.avatar-orbit i:nth-child(3){ transform:rotate(250deg) translateX(95px); width:7px; height:7px; margin:-3.5px; }
@keyframes spin{ to{ transform:rotate(1turn); } }
.avatar-card h3{ font-size:24px; font-weight:800; letter-spacing:.1em; }
.avatar-en{ font-size:14px; font-weight:700; letter-spacing:.42em; color:var(--acc); margin-top:-4px; }
.avatar-card > p:not(.avatar-en){ font-size:13px; color:var(--ink-dim); letter-spacing:.12em; }
.avatar-chips{ display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-top:10px; }
.avatar-chips span{
  display:inline-flex; align-items:center; height:28px; padding:0 13px;
  font-size:12px; color:var(--ink-dim); border-radius:999px;
  background:var(--surface); box-shadow:var(--inset-xs); letter-spacing:.08em;
}
/* 底部凹胶囊：坐标 */
.avatar-loc{
  margin-top:auto; justify-self:center;
  display:inline-flex; align-items:center; gap:9px;
  padding:10px 20px; border-radius:999px; box-shadow:var(--inset-xs);
  font-size:12.5px; font-weight:600; letter-spacing:.14em; color:var(--ink-dim);
}
.avatar-loc .ico{ width:15px; height:15px; color:var(--acc); }
.about-text{ display:grid; gap:20px; align-content:start; }
.about-text p{ font-size:15.5px; line-height:2.1; color:var(--ink-dim); }
.about-text p em{ font-style:normal; color:var(--ink); font-weight:700; }
.quote-card{
  position:relative; margin-top:6px; padding:25px 46px 25px 74px;
  border-radius:999px; background:var(--surface); box-shadow:var(--inset-xs);
  font-size:clamp(16px, 2vw, 20px); font-weight:700; letter-spacing:.08em;
  display:flex; align-items:center;
}
.quote-card .q-mark{ position:absolute; left:22px; top:50%; translate:0 -50%;
  width:26px; height:26px; color:var(--acc); }

.marquee{
  overflow:hidden; border-radius:999px; padding:16px 0;
  box-shadow:var(--inset-sm);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track{ display:inline-flex; gap:44px; padding-right:44px; white-space:nowrap; will-change:transform; }
.marquee-track span{ font-size:15px; font-weight:700; letter-spacing:.22em; color:var(--ink-faint); }
.marquee-track span:nth-child(4n+1){ color:var(--acc); }

/* ============================================================
   ③ 技能
   ============================================================ */
.skills-grid{ display:grid; grid-template-columns:1fr 1fr; gap:26px; }
.skill-col{
  display:grid; gap:16px; align-content:start; padding:26px;
  border-radius:var(--r-lg); background:var(--surface); box-shadow:var(--raise);
}
.col-title{ display:flex; align-items:center; gap:12px; font-size:19px; font-weight:800; letter-spacing:.1em; }
.col-title .ico{ width:38px; height:38px; padding:9px; border-radius:12px;
  background:var(--grad); color:#0b0d15; box-shadow:var(--raise-sm); }
.col-title i{ font-style:normal; margin-left:auto; font-size:10.5px; letter-spacing:.4em; color:var(--ink-faint); }
.skill-item{
  padding:16px 18px; border-radius:var(--r-md);
  background:var(--surface); box-shadow:var(--inset-sm);
  transition:transform .3s ease, box-shadow .3s ease;
}
.skill-item:hover{ transform:translateY(-3px); box-shadow:var(--raise-sm); }
.si-head{ display:flex; align-items:baseline; gap:10px; }
.si-head b{ font-size:15.5px; letter-spacing:.05em; }
.si-head span{ margin-left:auto; font-size:13px; font-weight:800; color:var(--acc); }
.skill-item p{ margin:7px 0 12px; font-size:12.5px; line-height:1.8; color:var(--ink-faint); }
.bar{ height:9px; border-radius:999px; box-shadow:var(--inset-sm); overflow:hidden; }
.bar i{
  display:block; height:100%; width:0; border-radius:999px;
  background:var(--grad);
  box-shadow:0 0 12px color-mix(in srgb, var(--acc) 45%, transparent);
}
.skills-note{ font-size:13px; color:var(--ink-faint); letter-spacing:.06em; padding-left:6px; }
.skills-note em{ font-style:normal; color:var(--acc); }

/* ============================================================
   ④ 作品：华容网格（不同尺寸卡片混排 + 滑块式换位）
   ============================================================ */
.works-grid{
  display:grid; grid-template-columns:repeat(4, 1fr); grid-auto-flow:dense;
  grid-auto-rows:178px; gap:14px;
}
#works .wrap{ gap:20px; padding-top:calc(var(--nav-h) + 34px); padding-bottom:40px; }
#works .page-head{ margin-bottom:-6px; }
.gs-big { grid-column:span 2; grid-row:span 2; }
.gs-wide{ grid-column:span 2; }
.gcard{
  position:relative; overflow:hidden; text-align:left;
  display:grid; align-content:start; gap:10px;
  padding:20px 22px; border-radius:var(--r-md);
  background:var(--surface); box-shadow:var(--raise);
  transition:box-shadow .35s ease;
}
.gcard:hover{ box-shadow:var(--raise), 0 16px 44px color-mix(in srgb, var(--tint) 16%, transparent); }
.gcard::after{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:0;
  background:radial-gradient(340px circle at var(--gx,50%) var(--gy,50%),
    color-mix(in srgb, var(--tint, #22d3ee) 10%, transparent), transparent 62%);
  transition:opacity .35s ease;
}
.gcard:hover::after{ opacity:1; }
.gc-head{ display:grid; gap:8px; align-content:start; }
.gcard .tile{
  width:46px; height:46px; border-radius:14px; display:grid; place-items:center;
  color:var(--tint); background:color-mix(in srgb, var(--tint) 13%, var(--surface));
  box-shadow:var(--inset-xs);
}
.gcard .tile svg{ width:22px; height:22px; }
.gcard h3{ font-size:16.5px; font-weight:800; letter-spacing:.03em;
  display:flex; align-items:baseline; gap:8px; flex-wrap:wrap; }
.gcard h3 i{ font-style:normal; font-size:9.5px; font-weight:700; letter-spacing:.26em; color:var(--ink-faint); }
.gcard .status{
  position:absolute; top:16px; right:16px;
  font-size:10.5px; font-weight:700; letter-spacing:.12em; color:var(--tint);
  padding:5px 11px; border-radius:999px;
  background:color-mix(in srgb, var(--tint) 12%, transparent);
  box-shadow:0 0 0 1px color-mix(in srgb, var(--tint) 30%, transparent) inset;
}
/* 宽卡：图标跨行居左，名字+副标题贴右侧竖排，整体垂直居中撑满 */
.gs-wide .gc-head{
  grid-template-columns:auto 1fr; grid-template-rows:auto auto;
  column-gap:18px; row-gap:4px; align-items:center; align-content:center;
  height:100%;
}
.gs-wide .tile{ grid-column:1; grid-row:1 / span 2; width:52px; height:52px; }
.gs-wide .tile svg{ width:24px; height:24px; }
.gs-wide h3{ grid-column:2; grid-row:1; font-size:18px; }
.gs-wide .sub{ grid-column:2; grid-row:2; }
/* 大卡展开区（华容网格的"变形"）：小卡隐藏，升为大王卡时渐显 */
.gc-body{ display:none; }
.gs-big .gc-body{
  display:grid; gap:12px; align-content:start; margin-top:2px;
}
.gcard .sub{ font-size:12.5px; color:var(--ink-dim); letter-spacing:.04em; }
.gs-big .sub{ font-size:13.5px; }
.gcard .desc{ font-size:13.5px; line-height:1.95; color:var(--ink-dim); }
.gcard .pts{ display:grid; gap:7px; }
.gcard .pts li{
  list-style:none; font-size:12.5px; color:var(--ink-dim); padding-left:20px; position:relative;
}
.gcard .pts li::before{
  content:""; position:absolute; left:2px; top:.62em; width:7px; height:7px; border-radius:50%;
  background:var(--grad); box-shadow:0 0 8px var(--acc);
}
.gcard .tags{ display:flex; flex-wrap:wrap; gap:7px; }
.gcard .tags span{
  font-size:11px; font-weight:600; letter-spacing:.06em; color:var(--ink-dim);
  padding:5px 11px; border-radius:999px; box-shadow:var(--inset-xs);
}
.gc-foot{
  display:flex; align-items:center; gap:8px; font-size:11.5px; letter-spacing:.12em; color:var(--ink-faint);
  border-top:1px solid var(--line); padding-top:11px; margin-top:auto;
}
.gc-cta{
  margin-left:auto; display:inline-flex; align-items:center; gap:7px;
  font-size:12px; font-weight:700; letter-spacing:.14em; color:var(--tint);
  padding:7px 14px; border-radius:999px; box-shadow:var(--inset-xs);
}
.gc-cta svg{ width:13px; height:13px; }
/* 小卡收纳：藏英文标，副标题单行截断 */
.gs-n h3 i{ display:none; }
.gs-n .sub{ white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:100%; }
/* NEXT 卡 */
.gcard.gnext .tile{ background:var(--grad); color:#0b0d15; box-shadow:var(--raise-sm); }
.wcard{
  position:relative; overflow:hidden; text-align:left;
  display:grid; gap:13px; align-content:start;
  padding:24px; border-radius:var(--r-md);
  background:var(--surface); box-shadow:var(--raise);
  transform-style:preserve-3d; will-change:transform;
  transition:box-shadow .35s ease;
}
.wcard::after{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:0;
  background:radial-gradient(340px circle at var(--gx,50%) var(--gy,50%),
    color-mix(in srgb, var(--tint, #22d3ee) 10%, transparent), transparent 62%);
  transition:opacity .35s ease;
}
.wcard:hover::after{ opacity:1; }
.wcard:hover{ box-shadow:var(--raise), 0 16px 44px color-mix(in srgb, var(--tint, #22d3ee) 16%, transparent); }
.wcard .tile{
  width:56px; height:56px; border-radius:17px; display:grid; place-items:center;
  font-size:24px; color:var(--tint);
  background:color-mix(in srgb, var(--tint) 13%, var(--surface));
  box-shadow:var(--inset-sm);
}
.wcard .tile svg{ width:26px; height:26px; }
.wcard h3{ font-size:18.5px; font-weight:800; letter-spacing:.04em;
  display:flex; align-items:center; gap:10px; }
.wcard h3 i{ font-style:normal; font-size:10px; font-weight:700; letter-spacing:.24em; color:var(--ink-faint); }
.wcard .sub{ font-size:13px; color:var(--ink-dim); letter-spacing:.05em; margin-top:-8px; }
.wcard .tags{ display:flex; flex-wrap:wrap; gap:7px; }
.wcard .tags span{
  font-size:11px; font-weight:600; letter-spacing:.06em; color:var(--ink-dim);
  padding:5px 11px; border-radius:999px; box-shadow:var(--inset-sm);
}
.wcard .status{
  position:absolute; top:20px; right:20px;
  font-size:11px; font-weight:700; letter-spacing:.14em; color:var(--tint);
  padding:6px 12px; border-radius:999px;
  background:color-mix(in srgb, var(--tint) 12%, transparent);
  box-shadow:0 0 0 1px color-mix(in srgb, var(--tint) 30%, transparent) inset;
}
.wcard .go{
  justify-self:start; display:flex; align-items:center; gap:7px;
  font-size:12.5px; font-weight:700; letter-spacing:.16em; color:var(--tint);
}
.wcard .go svg{ width:14px; height:14px; }
.wcard.more .tile{ background:var(--grad); color:#0b0d15; box-shadow:var(--raise-sm); }
.wcard.more .tile{ background:var(--grad); color:#0b0d15; box-shadow:var(--raise-sm); }

/* ============================================================
   ⑤ 经历
   ============================================================ */
.timeline{ position:relative; padding:10px 0 4px; }
.tl-line{
  position:absolute; left:50%; top:0; bottom:0; width:3px; translate:-50% 0;
  border-radius:99px; background:rgba(255,255,255,.05); box-shadow:var(--inset-sm);
}
.tl-progress{
  position:absolute; inset:0; border-radius:99px; transform-origin:top; transform:scaleY(0);
  background:var(--grad);
  box-shadow:0 0 14px color-mix(in srgb, var(--acc) 40%, transparent);
}
.tl-item{ position:relative; width:50%; padding:0 44px 34px 0; }
.tl-item.side-l{ left:0; text-align:right; }
.tl-item.side-r{ left:50%; padding:0 0 34px 44px; text-align:left; }
.tl-dot{
  position:absolute; top:6px; width:17px; height:17px; border-radius:50%;
  background:var(--surface); box-shadow:var(--raise-sm); z-index:1;
}
.tl-item.side-l .tl-dot{ right:-8.5px; }
.tl-item.side-r .tl-dot{ left:-8.5px; }
.tl-dot::after{
  content:""; position:absolute; inset:4px; border-radius:50%;
  background:var(--grad); box-shadow:0 0 10px var(--acc);
}
.tl-time{
  display:inline-block; font-size:12px; font-weight:800; letter-spacing:.16em;
  color:var(--acc); padding:6px 13px; border-radius:999px;
  background:var(--surface); box-shadow:var(--inset-sm); margin-bottom:12px;
}
.tl-item h3{ font-size:18px; font-weight:800; letter-spacing:.04em; }
.tl-item h3 i{ font-style:normal; font-weight:600; font-size:13px; color:var(--ink-dim); margin-left:8px; }
.tl-item p{ margin-top:8px; font-size:13.5px; line-height:1.9; color:var(--ink-faint); max-width:40ch; display:inline-block; }
.tl-item.now .tl-time{ color:#0b0d15; background:var(--grad); box-shadow:0 0 16px color-mix(in srgb, var(--acc) 45%, transparent); }

/* ============================================================
   ⑥ 联系
   ============================================================ */
.contact-wrap{ justify-items:center; text-align:center; gap:26px; }
.contact-big{ font-size:clamp(46px, 8.5vw, 100px); font-weight:900; letter-spacing:.03em; line-height:1.1; }
.contact-big em{
  font-style:normal; background:var(--grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.contact-sub{ font-size:15.5px; color:var(--ink-dim); letter-spacing:.08em; }
.contact-grid{ display:grid; grid-template-columns:repeat(4, minmax(180px, 240px)); gap:18px; justify-content:center; }
.c-card{
  position:relative; display:grid; gap:8px; justify-items:center;
  padding:26px 16px 22px; border-radius:var(--r-md);
  background:var(--surface); box-shadow:var(--raise);
  transform-style:preserve-3d; transition:box-shadow .3s ease;
}
.c-card:hover{ box-shadow:var(--raise), 0 14px 40px color-mix(in srgb, var(--acc) 18%, transparent); }
.c-card .ico{ width:30px; height:30px; color:var(--acc); margin-bottom:4px; }
.c-card b{ font-size:12.5px; font-weight:700; letter-spacing:.24em; color:var(--ink-faint); }
.c-card p{ font-size:15px; font-weight:700; letter-spacing:.03em; }
.copy-btn{
  margin-top:4px; font-size:11px; font-weight:700; letter-spacing:.2em; color:var(--acc);
  padding:6px 14px; border-radius:999px; box-shadow:var(--inset-sm);
}
.contact-cta{ display:grid; justify-items:center; gap:14px; margin-top:26px; }
.big-mail{
  width:132px; height:132px; border-radius:50%; display:grid; place-items:center;
  background:var(--surface); box-shadow:var(--raise);
  position:relative; color:var(--acc); will-change:transform;
  transition:box-shadow .35s ease, color .35s ease;
}
.big-mail .ico{ width:38px; height:38px; }
.big-mail::before{
  content:""; position:absolute; inset:-10px; border-radius:50%;
  border:1.5px dashed color-mix(in srgb, var(--acc) 45%, transparent);
  animation:spin 16s linear infinite;
}
.big-mail:hover{ box-shadow:var(--raise), 0 0 44px color-mix(in srgb, var(--acc) 30%, transparent); color:var(--acc2); }
.bm-txt{ font-size:12px; letter-spacing:.4em; color:var(--ink-faint); }
.site-foot{ font-size:12px; letter-spacing:.14em; color:var(--ink-faint); margin-top:auto; padding-top:18px; }

/* ============================================================
   作品详情弹层
   ============================================================ */
.modal{ position:fixed; inset:0; z-index:200; display:grid; place-items:center; }
.modal[hidden]{ display:none; }
.modal-mask{
  position:absolute; inset:0; background:rgba(9,11,19,.62);
  -webkit-backdrop-filter:blur(16px); backdrop-filter:blur(16px);
}
.modal-panel{
  position:relative; width:min(660px, calc(100vw - 36px)); max-height:86vh; overflow-y:auto;
  padding:34px 36px 30px; border-radius:var(--r-lg);
  background:rgba(27,32,48,.88);
  -webkit-backdrop-filter:blur(30px); backdrop-filter:blur(30px);
  border:1px solid var(--line);
  box-shadow:var(--raise), 0 40px 110px rgba(0,0,0,.6);
  scrollbar-width:thin;
}
.modal-x{
  position:absolute; top:18px; right:18px; width:40px; height:40px; border-radius:50%;
  display:grid; place-items:center; color:var(--ink-dim);
  background:var(--surface); box-shadow:var(--raise-sm);
  transition:color .3s, transform .3s;
}
.modal-x:hover{ color:var(--acc); transform:rotate(90deg); }
.md-head{ display:flex; align-items:center; gap:18px; padding-right:44px; }
.md-tile{
  width:62px; height:62px; border-radius:19px; display:grid; place-items:center; flex:none;
  color:var(--tint); background:color-mix(in srgb, var(--tint) 13%, var(--surface));
  box-shadow:var(--inset-sm);
}
.md-tile svg{ width:28px; height:28px; }
.md-head h3{ font-size:23px; font-weight:800; letter-spacing:.03em; }
.md-head p{ margin-top:4px; font-size:13px; color:var(--ink-dim); letter-spacing:.08em; }
.md-status{
  margin-left:auto; flex:none; font-size:11.5px; font-weight:700; letter-spacing:.14em;
  color:var(--tint); padding:7px 14px; border-radius:999px;
  background:color-mix(in srgb, var(--tint) 12%, transparent);
  box-shadow:0 0 0 1px color-mix(in srgb, var(--tint) 30%, transparent) inset;
}
.md-desc{ margin:22px 0 18px; font-size:14.5px; line-height:2.05; color:var(--ink-dim); }
.md-points{ display:grid; gap:10px; margin-bottom:20px; }
.md-points li{
  list-style:none; font-size:13.5px; color:var(--ink-dim); line-height:1.8;
  padding-left:24px; position:relative;
}
.md-points li::before{
  content:""; position:absolute; left:4px; top:.62em; width:8px; height:8px; border-radius:50%;
  background:var(--grad); box-shadow:0 0 8px var(--acc);
}
.md-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:22px; }
.md-tags span{
  font-size:11.5px; font-weight:600; letter-spacing:.08em; color:var(--ink-dim);
  padding:6px 13px; border-radius:999px; box-shadow:var(--inset-sm);
}
.md-foot{ display:flex; gap:8px; font-size:12px; letter-spacing:.12em; color:var(--ink-faint);
  border-top:1px solid var(--line); padding-top:16px; }
.md-foot em{ font-style:normal; }

/* ============================================================
   Toast
   ============================================================ */
.toast{
  position:fixed; left:50%; bottom:44px; translate:-50% 0; z-index:320;
  padding:13px 26px; border-radius:999px; font-size:13.5px; font-weight:600; letter-spacing:.1em;
  background:rgba(27,32,48,.9);
  -webkit-backdrop-filter:blur(18px); backdrop-filter:blur(18px);
  border:1px solid var(--line); box-shadow:var(--raise), 0 0 30px color-mix(in srgb, var(--acc) 18%, transparent);
  opacity:0; pointer-events:none;
}
.toast.show{ opacity:1; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1060px){
  .nav-links{ display:none; }
  .burger{ display:flex; }
  .status-chip{ display:none; }
  .dots,.hint{ display:none; }
  .home-wrap{ grid-template-columns:1fr; gap:44px; padding-bottom:40px; justify-items:center; text-align:center; }
  .home-left{ justify-items:center; }
  .eyebrow{ justify-content:center; }
  .hero-intro .hi-en, .hero-intro .hi-zh{ justify-items:center; }
  .orb-shell{ width:min(60vw, 340px); }
  .home-stats{ grid-template-columns:repeat(4, minmax(0,1fr)); }
  .about-grid{ grid-template-columns:1fr; }
  .avatar-card{ max-width:420px; margin:0 auto; }
  .skills-grid{ grid-template-columns:1fr; }
  .works-grid{ grid-template-columns:repeat(2, 1fr); grid-auto-rows:160px; }
  .gs-big .gc-body .pts{ display:none; }   /* 窄屏大卡放不下全部要点 */
  .tl-line{ left:8px; }
  .tl-item, .tl-item.side-l, .tl-item.side-r{
    width:100%; left:0; padding:0 0 30px 34px; text-align:left;
  }
  .tl-item.side-l .tl-dot, .tl-item.side-r .tl-dot{ left:0; right:auto; }
  .tl-item p{ max-width:none; }
  .contact-grid{ grid-template-columns:repeat(2, minmax(140px, 220px)); }
}
@media (max-width:620px){
  :root{ --nav-h:62px; }
  .wrap{ width:calc(100% - 32px); padding-top:calc(var(--nav-h) + 30px); gap:26px; }
  .brand-name{ display:none; }
  .hero-cta{ width:100%; justify-content:center; }
  .home-stats{ grid-template-columns:repeat(2, 1fr); }
  .contact-grid{ grid-template-columns:1fr 1fr; gap:12px; }
  .c-card{ padding:20px 10px 16px; }
  .c-card p{ font-size:13px; }
  .pager{ left:20px; bottom:18px; }
  .modal-panel{ padding:26px 22px 24px; }
  .md-status{ display:none; }
}

/* 减少动态偏好 */
@media (prefers-reduced-motion: reduce){
  .avatar-orbit,.big-mail::before,.hint-mouse i,.status-chip .pulse{ animation:none; }
}