/* =====================================================================
   Portfolio Clone — 手写 CSS 实现（无框架依赖）
   首页 + 项目详情页 共用本文件
   设计语言：玻璃拟态 + 强调色渐变 + 噪点网格 + 粒子背景

   主题开关：
     data-theme="dark|light"  暗/亮
     data-accent="violet"     紫色系（详情页）；缺省为橙粉系（首页）
   ===================================================================== */

/* ---------------------------- 1. Tokens ---------------------------- */
:root{
  /* 强调色：橙粉（首页默认值） */
  --orange:#f97316;
  --orange-400:#fb923c;
  --orange-500:#f97316;
  --pink:#ec4899;
  --purple:#a855f7;

  --green:#27c93f;
  --red:#ff5f56;
  --yellow:#ffbd2e;

  --grad-warm:linear-gradient(135deg,#fb923c,#f97316,#ec4899);
  --grad-accent:linear-gradient(90deg,var(--orange),var(--pink));
  --ring-grad:linear-gradient(135deg,#f97316,#ec4899,#d946ef);

  --font:"Poppins","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","SF Mono",Menlo,Consolas,monospace;

  --maxw:80rem;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* 紫色系：详情页专用 */
html[data-accent="violet"]{
  --orange:#9333eb;
  --orange-400:#a855f7;
  --orange-500:#9333eb;
  --pink:#c026d3;
  --purple:#a855f7;

  --grad-warm:linear-gradient(135deg,#a855f7,#9333eb,#c026d3);
  --grad-accent:linear-gradient(90deg,#9333eb,#c026d3);
  --ring-grad:linear-gradient(135deg,#9333eb,#c026d3,#7c3aed);
}

/* 暗色（默认） */
html[data-theme="dark"]{
  --bg:#0a0a0a;
  --bg-2:#0f0d0b;
  --fg:#f5f3f0;
  --muted:rgba(245,243,240,.6);
  --muted-2:rgba(245,243,240,.5);
  --glass-bg:hsla(0,0%,4%,.7);
  --glass-bd:hsla(0,0%,100%,.1);
  --tint:hsla(0,0%,100%,.045);
  --border-line:hsla(0,0%,100%,.1);
  --shadow:0 30px 80px -58px hsla(0,0%,4%,.45);
  --code-a:color-mix(in srgb, var(--orange) 30%, transparent);
  --code-b:rgba(236,72,153,.3);
  --thumb-txt:rgba(255,255,255,.92);
}

/* 亮色 */
html[data-theme="light"]{
  --bg:#faf8f5;
  --bg-2:#fffdfb;
  --fg:#181411;
  --muted:rgba(24,20,17,.66);
  --muted-2:rgba(24,20,17,.5);
  --glass-bg:hsla(0,0%,100%,.62);
  --glass-bd:hsla(0,0%,4%,.08);
  --tint:hsla(0,0%,4%,.035);
  --border-line:hsla(0,0%,4%,.1);
  --shadow:0 30px 80px -58px hsla(0,0%,4%,.45);
  --code-a:color-mix(in srgb, var(--orange) 28%, transparent);
  --code-b:rgba(236,72,153,.24);
  --thumb-txt:rgba(255,255,255,.95);
  color-scheme:light;
}

/* ---------------------------- 2. Reset ---------------------------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--fg);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background .5s var(--ease),color .5s var(--ease);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--orange-400);outline-offset:3px;border-radius:4px}

/* 全局噪点网格 */
.noise-bg::before{
  content:"";position:fixed;inset:0;z-index:100;pointer-events:none;opacity:.055;
  background-image:
    linear-gradient(hsla(0,0%,100%,.035) 1px,transparent 0),
    linear-gradient(90deg,hsla(0,0%,100%,.035) 1px,transparent 0);
  background-size:4px 4px;
  mix-blend-mode:overlay;
}

/* ---------------------------- 3. 基础件 ---------------------------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:1.5rem}
.container--narrow{max-width:56rem}
.shell{position:relative;min-height:100vh;overflow-x:hidden;z-index:1}
.icon{width:1.25rem;height:1.25rem;display:block}

.glass{
  border:1px solid var(--glass-bd);
  background:var(--glass-bg);
  box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
}

.gradient-text{
  background-image:var(--grad-warm);
  background-size:200% 200%;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:gradient-shift 5s ease infinite;
}

.divider{
  display:block;width:5rem;height:.25rem;margin:1.5rem auto 0;
  background:var(--grad-accent);border-radius:99px;
}

.badge{
  display:inline-block;padding:.5rem 1rem;border-radius:99px;
  font-size:.78rem;font-weight:700;letter-spacing:.2em;color:var(--orange-400);
  border:1px solid color-mix(in srgb, var(--orange) 20%, transparent);margin-bottom:1.5rem;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:1rem 2rem;border-radius:99px;font-weight:700;line-height:1;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s;
}
.btn--primary{background:var(--grad-accent);color:#fff}
.btn--primary:hover{transform:translateY(-4px);box-shadow:0 0 30px color-mix(in srgb, var(--orange) 45%, transparent)}
.btn--ghost{border:1px solid rgba(255,255,255,.2);color:var(--fg)}
html[data-theme="light"] .btn--ghost{border-color:rgba(0,0,0,.12)}
.btn--ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}

/* tech tag */
.tech-tag{
  display:inline-flex;align-items:center;padding:.25rem .75rem;border-radius:99px;
  border:1px solid color-mix(in srgb, var(--orange) 30%, transparent);background:color-mix(in srgb, var(--orange) 14%, transparent);
  color:var(--orange-400);font-size:.75rem;font-weight:800;letter-spacing:.04em;
}

/* 链接箭头 */
.link-more{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:800;color:var(--orange-400);
  transition:gap .35s var(--ease);
}
.group:hover .link-more{gap:1rem}

/* ---------------------------- 4. 加载动画 ---------------------------- */
.loader{
  position:fixed;inset:0;z-index:10000;display:grid;place-items:center;
  background:#0a0a0a;transition:transform .7s var(--ease),visibility .7s;
}
.loader.is-hidden{transform:translateY(-100%);visibility:hidden}
.loader__text{
  font-size:1.6rem;font-weight:900;letter-spacing:.3em;color:#fff;
  animation:blink 1.4s ease-in-out infinite;
}
@media(min-width:640px){.loader__text{font-size:2.2rem}}

/* ---------------------------- 5. 背景粒子 ---------------------------- */
.particle-canvas{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5}

/* ---------------------------- 6. 抽屉导航（移动端） ---------------------------- */
.drawer{
  position:fixed;inset:0;z-index:9000;display:grid;place-items:center;
  background:rgba(0,0,0,.5);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:.4s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  width:min(20rem,88vw);padding:2rem;border-radius:1.5rem;
  transform:scale(.9) translateY(1rem);transition:transform .45s var(--ease);
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__brand{display:inline-block;margin-bottom:1.25rem}
.drawer__nav{display:flex;flex-direction:column;gap:.25rem}
.drawer__link{
  padding:.75rem 0;font-size:1.125rem;font-weight:500;
  border-bottom:1px solid var(--border-line);color:var(--fg);
  transition:color .3s;
}
.drawer__link:hover{color:var(--orange-400)}

/* ---------------------------- 7. 顶部导航 ---------------------------- */
.nav{
  position:fixed;top:0;left:0;width:100%;z-index:50;
  padding:1.5rem 0;transition:all .5s var(--ease);
}
.nav.is-scrolled{padding:.85rem 0;background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between}
.avatar{
  display:inline-flex;width:3rem;height:3rem;align-items:center;justify-content:center;
  overflow:hidden;border-radius:50%;border:1px solid var(--glass-bd);
  background:rgba(255,255,255,.05);box-shadow:0 10px 30px rgba(0,0,0,.18);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.avatar--sm{width:2.75rem;height:2.75rem}
.avatar img{width:100%;height:100%;object-fit:cover}
.nav__links{display:none;align-items:center;gap:2.5rem}
@media(min-width:900px){.nav__links{display:flex}}
.nav__link{position:relative;font-weight:500;font-size:.95rem;transition:color .3s}
.nav__link::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:0;height:2px;
  background:var(--pink);transform:translateX(-50%);
  transition:width .3s var(--ease);
}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.nav__link:hover{color:var(--orange-400)}

.icon-btn{
  display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:99px;
  border:1px solid var(--glass-bd);background:var(--glass-bg);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:transform .3s var(--ease),background .3s;
}
.icon-btn:hover{transform:scale(1.1);background:rgba(255,255,255,.08)}
.icon--moon{display:none}
html[data-theme="light"] .icon--sun{display:none}
html[data-theme="light"] .icon--moon{display:block}
.nav__burger{display:grid}
@media(min-width:900px){.nav__burger{display:none}}

/* ---------------------------- 8. HERO ---------------------------- */
.hero{
  position:relative;display:flex;align-items:center;min-height:100vh;
  padding-top:6rem;overflow:hidden;
}
.hero__grid{
  position:relative;z-index:10;display:grid;grid-template-columns:1fr;
  gap:2rem;align-items:center;min-height:70vh;
}
@media(min-width:1024px){
  .hero__grid{grid-template-columns:1fr 1fr;gap:4rem}
}
.hero__title{
  font-size:clamp(2.25rem,7vw,4.5rem);font-weight:900;line-height:1;
  letter-spacing:-.04em;margin-bottom:1rem;
}
.hero__title .block{display:block}
.hero__desc{
  font-size:.95rem;line-height:1.75;color:var(--muted);
  max-width:36rem;margin-bottom:2rem;
}
@media(min-width:768px){.hero__desc{font-size:1rem}}
.br-sm{display:none}
@media(min-width:768px){.br-sm{display:block}}

/* 数据统计 */
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;
  max-width:36rem;margin-bottom:2rem;
}
@media(min-width:768px){.stats{gap:2rem}}
.stat__num{font-size:1.9rem;font-weight:900;color:var(--orange-400);line-height:1;margin-bottom:.5rem}
@media(min-width:768px){.stat__num{font-size:2.4rem}}
.stat__num--pink{color:var(--pink)}
.stat__label{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2)}
@media(min-width:768px){.stat__label{font-size:.82rem}}

.hero__cta{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}
@media(min-width:640px){.hero__cta{flex-direction:row}}

/* 社交图标 */
.socials{display:flex;gap:1rem}
.social{
  display:flex;width:2.5rem;height:2.5rem;align-items:center;justify-content:center;
  border-radius:99px;border:1px solid var(--glass-bd);
  transition:all .35s var(--ease);
}
.social:hover{
  background:color-mix(in srgb, var(--orange) 18%, transparent);border-color:color-mix(in srgb, var(--orange) 40%, transparent);
  transform:translateY(-3px);
}

/* 头像 + 环形光效 */
.hero__visual{display:flex;align-items:center;justify-content:center;position:relative}
.avatar-ring{
  position:relative;display:grid;place-items:center;
  width:16rem;height:16rem;padding:4px;border-radius:50%;
  background:var(--ring-grad);
}
@media(min-width:768px){.avatar-ring{width:18rem;height:18rem}}
@media(min-width:1024px){.avatar-ring{width:20rem;height:20rem}}
.avatar-ring::before{
  content:"";position:absolute;inset:-2px;z-index:-1;border-radius:inherit;
  background:var(--ring-grad);filter:blur(14px);opacity:.75;
  animation:avatar-glow 3s var(--ease) infinite;
}
.avatar-ring img{width:100%;height:100%;border-radius:50%;object-fit:cover}

.code-float{
  position:absolute;font-family:var(--mono);font-weight:700;user-select:none;
  animation:code-float 5s var(--ease) infinite;
}
.code-float--1{top:-1.5rem;right:-1.5rem;font-size:1.9rem;color:var(--code-a)}
.code-float--2{bottom:-1rem;left:-2rem;font-size:1.6rem;color:var(--code-b);animation-name:code-float-2;animation-duration:6s;animation-delay:1s}
.code-float--3{top:33%;left:-3rem;font-size:1.2rem;color:var(--code-b);animation-delay:.6s}
.code-float--4{bottom:25%;right:-2.5rem;font-size:1.2rem;color:var(--code-a);animation-name:code-float-2;animation-delay:1.4s}
@media(max-width:640px){.code-float--3,.code-float--4{display:none}}

/* 光斑 */
.glow{position:absolute;border-radius:99px;filter:blur(150px);pointer-events:none;animation:pulse 4s var(--ease) infinite}
.glow--orange{top:25%;right:25%;width:24rem;height:24rem;background:var(--orange);opacity:.15}
.glow--pink{bottom:33%;left:25%;width:20rem;height:20rem;background:var(--pink);opacity:.1}

/* ---------------------------- 9. Section 通用 ---------------------------- */
.section{position:relative;z-index:10;padding:6rem 1.5rem}
@media(min-width:768px){.section{padding:8rem 2.5rem}}
.section--tint{background:var(--tint)}
.section__head{max-width:48rem;margin-inline:auto;text-align:center}
.section__title{font-size:2.25rem;font-weight:900;letter-spacing:-.02em}
@media(min-width:768px){.section__title{font-size:3rem}}
.section__title--center{text-align:center;margin-bottom:4rem}
.section__desc{margin-top:1rem;line-height:2;color:var(--muted)}
.section__cta{margin-top:5rem;text-align:center}

/* ---------------------------- 10. 技能翻转卡 ---------------------------- */
.skills-grid{
  display:grid;grid-template-columns:1fr;gap:1.5rem;margin-top:4rem;
}
@media(min-width:640px){.skills-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.skills-grid{grid-template-columns:repeat(3,1fr);gap:2.5rem}}

.flip{height:16rem;background:transparent;perspective:1000px}
.flip__inner{
  position:relative;width:100%;height:100%;text-align:center;
  transform-style:preserve-3d;transition:transform .8s var(--ease);
}
.flip:hover .flip__inner,.flip:focus-within .flip__inner{transform:rotateY(180deg)}
.flip__face{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;padding:1.5rem;border-radius:1rem;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
}
.flip__front{box-shadow:0 20px 40px -20px rgba(0,0,0,.5)}
.flip__icon{
  display:grid;place-items:center;width:4rem;height:4rem;margin-bottom:1rem;
  border-radius:1rem;background:var(--grad-accent);color:#fff;
  font-size:1.5rem;font-weight:900;box-shadow:0 0 34px color-mix(in srgb, var(--orange) 35%, transparent);
}
.flip__name{padding-inline:1rem;font-size:1.25rem;font-weight:900;line-height:1.3}
.flip__back{
  transform:rotateY(180deg);
  background:var(--bg,linear-gradient(135deg,#ea580c,#ec4899));
  color:#fff;text-align:center;
}
.flip__text{margin-top:.75rem;font-size:.875rem;line-height:1.6;opacity:.88}

.donut{position:relative;width:6rem;height:6rem}
.donut svg{width:100%;height:100%;transform:rotate(-90deg)}
.donut circle:last-child{
  stroke-dasharray:283;
  stroke-dashoffset:calc(283 - 283 * var(--pct) / 100);
  transition:stroke-dashoffset 1.2s var(--ease);
}
.donut__num{
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:1.5rem;font-weight:900;color:#fff;
}

/* ---------------------------- 11. 项目瀑布流 ---------------------------- */
.projects{
  display:grid;grid-template-columns:1fr;gap:3rem 3rem;margin-top:4rem;
}
@media(min-width:768px){
  .projects{grid-template-columns:repeat(2,1fr);gap:8rem 3rem}
}
@media(min-width:1024px){.projects{gap:8rem 5rem}}
@media(min-width:768px){.project--offset{transform:translateY(6rem)}}

.project__card{
  position:relative;overflow:hidden;border-radius:1.5rem;padding:1rem;
  transition:box-shadow .5s var(--ease),transform .5s var(--ease);
}
.project:hover .project__card{
  box-shadow:0 30px 60px color-mix(in srgb, var(--orange) 22%, transparent);transform:translateY(-4px);
}
.project__thumb{
  position:relative;aspect-ratio:16/9;border-radius:1rem;overflow:hidden;
  display:grid;place-items:center;
}
.project__thumb span{
  font-family:var(--mono);font-size:1.6rem;font-weight:700;letter-spacing:.2em;
  color:var(--thumb-txt);text-shadow:0 2px 20px rgba(0,0,0,.35);
  transition:transform .5s var(--ease);
}
.project:hover .project__thumb span{transform:scale(1.1)}
/* 占位缩略图：渐变 + 网格纹理 */
.thumb--a{background-image:linear-gradient(135deg,#f97316,#ec4899),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}
.thumb--b{background-image:linear-gradient(135deg,#0ea5e9,#6366f1),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}
.thumb--c{background-image:linear-gradient(135deg,#22c55e,#0d9488),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}
.thumb--d{background-image:linear-gradient(135deg,#f43f5e,#a855f7),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}
.thumb--e{background-image:linear-gradient(135deg,#f59e0b,#ef4444),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}
.thumb--f{background-image:linear-gradient(135deg,#8b5cf6,#3b82f6),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}
.thumb--g{background-image:linear-gradient(135deg,#14b8a6,#84cc16),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}
.thumb--h{background-image:linear-gradient(135deg,#f97316,#7c3aed),repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 22px)}

.project__body{margin-top:2rem;padding-inline:1rem}
.project__tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.project__title{font-size:1.25rem;font-weight:900;margin-bottom:.5rem;line-height:1.35}
@media(min-width:768px){.project__title{font-size:1.5rem}}
.project__desc{font-size:.875rem;line-height:1.85;color:var(--muted);margin-bottom:1.5rem}
@media(min-width:768px){.project__desc{font-size:1rem}}

/* ---------------------------- 12. 博客卡 ---------------------------- */
.blog-grid{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-top:4rem}
@media(min-width:768px){.blog-grid{grid-template-columns:repeat(3,1fr);gap:2rem}}
.blog-card{
  display:block;border-radius:1rem;padding:1.5rem;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
}
@media(min-width:768px){.blog-card{padding:2rem}}
.blog-card:hover{transform:translateY(-6px);box-shadow:0 0 40px color-mix(in srgb, var(--orange) 15%, transparent)}
.blog-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:1.25rem}
.blog-card__date{font-size:.75rem;color:var(--muted-2)}
.blog-card__title{font-size:1.125rem;font-weight:900;line-height:1.4;margin-bottom:1rem;transition:color .3s}
@media(min-width:768px){.blog-card__title{font-size:1.25rem}}
.blog-card:hover .blog-card__title{color:var(--orange-400)}
.blog-card__desc{font-size:.875rem;line-height:1.9;color:var(--muted)}
.blog-card__more{
  display:flex;align-items:center;gap:.5rem;margin-top:1.5rem;
  font-weight:800;color:var(--orange-400);opacity:0;transition:opacity .3s;
}
.blog-card:hover .blog-card__more{opacity:1}
.blog-card__more .icon{width:1rem;height:1rem}

/* ---------------------------- 13. 终端（联系） ---------------------------- */
.section--contact{padding-top:6rem;padding-bottom:6rem}
.terminal{border-radius:1rem;overflow:hidden;box-shadow:0 30px 60px -20px rgba(0,0,0,.6)}
.terminal__bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:.75rem 1.5rem;background:var(--tint);border-bottom:1px solid var(--border-line);
}
.terminal__dots{display:flex;gap:.5rem}
.terminal__dots i{width:.75rem;height:.75rem;border-radius:99px}
.terminal__dots i:nth-child(1){background:var(--red)}
.terminal__dots i:nth-child(2){background:var(--yellow)}
.terminal__dots i:nth-child(3){background:var(--green)}
.terminal__title{font-family:var(--mono);font-size:.72rem;color:var(--muted-2)}
.terminal__body{
  padding:1.5rem;font-family:var(--mono);font-size:.8rem;line-height:1.7;
  min-height:21rem;
}
@media(min-width:768px){.terminal__body{padding:2rem;font-size:.95rem;min-height:25rem}}
.t-line{margin-bottom:1rem}
.t-line--cursor{margin-bottom:0;display:flex;align-items:center;gap:.35rem}
.t-user{color:var(--green)}
.t-path{color:var(--orange-400)}
.t-sym{color:var(--orange-400);margin-inline:.35rem}
.t-out{color:#a1a1aa;margin:-.5rem 0 1rem 0;padding-left:1.5rem}
html[data-theme="light"] .t-out{color:#52525b}
.t-rows{display:flex;flex-direction:column;gap:.5rem;padding-left:1.5rem}
.t-row{display:flex;gap:1rem}
.t-key{color:var(--orange-400);width:5rem;flex-shrink:0}
.t-row a:hover{text-decoration:underline}
.t-caret{display:inline-block;width:.5rem;height:1.25rem;background:var(--fg);animation:blink 1s step-end infinite}

/* ---------------------------- 14. 页脚 ---------------------------- */
.footer{
  position:relative;z-index:10;padding:2.5rem 1.5rem;
  border-top:1px solid var(--border-line);
  text-align:center;font-size:.85rem;color:var(--muted-2);
}
@media(min-width:768px){.footer{padding:3rem 2.5rem}}
.footer__sub{margin-top:.5rem;font-style:italic}
.footer__dl{margin-top:1.5rem}
.footer__dl .btn{padding:.75rem 1.5rem;font-size:.875rem}

/* ---------------------------- 15. 滚动显现 ---------------------------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.1s}
.delay-2{transition-delay:.2s}
.delay-3{transition-delay:.3s}
.delay-4{transition-delay:.4s}

/* 移动端取消瀑布偏移（transform 与 reveal 冲突） */
@media(max-width:767px){
  .reveal.is-visible{transform:none}
  .project--offset{transform:none}
}

/* ---------------------------- 16. 动画 ---------------------------- */
@keyframes gradient-shift{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
@keyframes avatar-glow{
  0%,100%{opacity:.65;transform:scale(1)}
  50%{opacity:1;transform:scale(1.04)}
}
@keyframes code-float{
  0%,100%{transform:translateY(0) rotate(0)}
  50%{transform:translateY(-14px) rotate(4deg)}
}
@keyframes code-float-2{
  0%,100%{transform:translateY(0) rotate(0)}
  50%{transform:translateY(12px) rotate(-5deg)}
}
@keyframes pulse{0%,100%{opacity:.85}50%{opacity:.45}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.15}}

/* ---------------------------- 17. 无障碍：降低动效 ---------------------------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* =====================================================================
   18. 项目详情页（inklo.html）专属样式
   配色全部走 --orange / --pink 变量，随 data-accent 自动切换
   ===================================================================== */

/* --- 详情页 Hero --- */
.phero{
  position:relative;overflow:hidden;
  padding:7rem 1.5rem 5rem;
  text-align:center;
}
@media(min-width:768px){.phero{padding:9rem 2.5rem 7rem}}
.phero__bg{
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(135deg,
    color-mix(in srgb, var(--orange) 55%, transparent) 0%,
    color-mix(in srgb, var(--purple) 28%, transparent) 45%,
    transparent 78%);
}
.phero__orb{
  position:absolute;top:25%;left:33%;z-index:0;
  width:24rem;height:24rem;border-radius:99px;
  background:var(--orange);filter:blur(150px);opacity:.2;
  animation:pulse 4s var(--ease) infinite;
}
@media(max-width:768px){.phero__orb{left:50%;transform:translateX(-50%)}}
.phero__inner{position:relative;z-index:10}
.phero__tags{display:inline-flex;flex-wrap:wrap;justify-content:center;gap:.75rem;margin-bottom:1.5rem}
.chip{
  display:inline-block;padding:.375rem 1rem;border-radius:99px;
  font-size:.75rem;font-weight:700;
  color:var(--orange-400);
  background:color-mix(in srgb, var(--orange) 20%, transparent);
  border:1px solid color-mix(in srgb, var(--orange) 30%, transparent);
}
.phero__title{
  font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900;
  letter-spacing:-.04em;line-height:1.1;margin-bottom:1.5rem;
}
.phero__desc{
  font-size:1.125rem;line-height:1.8;color:var(--muted);
  max-width:42rem;margin-inline:auto;
}
@media(min-width:768px){.phero__desc{font-size:1.25rem}}
.phero__cta{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:2rem}

.btn--accent{background:var(--orange);color:#fff}
.btn--accent:hover{transform:translateY(-2px);background:color-mix(in srgb, var(--orange) 85%, white)}
.btn--outline{
  border:1px solid color-mix(in srgb, var(--fg) 20%, transparent);color:var(--fg);
}
.btn--outline:hover{
  transform:translateY(-2px);
  border-color:color-mix(in srgb, var(--orange) 45%, transparent);
  color:var(--orange-400);
}
.icon--sm{width:1rem;height:1rem}

/* --- 详情页 Section 通用 --- */
.psection{position:relative;z-index:10;padding:4rem 1.5rem}
@media(min-width:768px){.psection{padding:5rem 2.5rem}}
.psection--tight{padding-top:2.5rem;padding-bottom:2.5rem}
@media(min-width:768px){.psection--tight{padding-top:3.5rem;padding-bottom:3.5rem}}
.psection__title{font-size:1.5rem;font-weight:700;margin-bottom:2rem}
@media(min-width:768px){.psection__title{font-size:1.875rem}}
.punderline{
  display:block;width:5rem;height:.25rem;margin-bottom:2rem;
  background:linear-gradient(90deg,var(--orange),var(--orange-400));
  border-radius:99px;
}
.punderline--center{margin-inline:auto}

/* --- 概述卡 --- */
.pcard{--pad:2rem;border-radius:1.5rem}
@media(min-width:768px){.pcard{--pad:3rem}}
.pcard--lg{padding:var(--pad)}
.poverview{font-size:1rem;line-height:1.8;color:var(--muted);opacity:.75}
@media(min-width:768px){.poverview{font-size:1.125rem}}

/* --- 技术栈标签 --- */
.pstack{display:flex;flex-wrap:wrap;gap:1rem}
.pstack__item{
  padding:.75rem 1.5rem;border-radius:.75rem;
  font-weight:700;color:var(--orange-400);
  border:1px solid color-mix(in srgb, var(--orange) 30%, transparent);
  transition:transform .35s var(--ease),border-color .35s;
}
.pstack__item:hover{transform:translateY(-4px);border-color:color-mix(in srgb, var(--orange) 60%, transparent)}

/* --- 核心功能卡 --- */
.pfeatures{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:768px){.pfeatures{grid-template-columns:repeat(3,1fr);gap:2rem}}
.pfeature{
  padding:2rem;border-radius:1rem;text-align:center;
  transition:transform .45s var(--ease),border-color .45s;
}
.pfeature:hover{
  transform:translateY(-6px);
  border-color:color-mix(in srgb, var(--orange) 30%, transparent);
}
.pfeature__num{
  font-family:var(--mono);font-size:2rem;font-weight:700;
  color:color-mix(in srgb, var(--orange) 32%, transparent);
  line-height:1;margin-bottom:1rem;
}
.pfeature__title{font-size:1.25rem;font-weight:700;margin-bottom:1rem;line-height:1.4}
.pfeature__desc{font-size:.875rem;line-height:1.75;color:var(--muted)}

/* --- 预览图 --- */
.pshots{
  --pad:2rem;padding:var(--pad);border-radius:1.5rem;
  border-style:dashed;border-width:2px;
  border-color:color-mix(in srgb, var(--orange) 20%, transparent);
}
@media(min-width:768px){.pshots{--pad:3rem}}
.pshots__title{text-align:center}
.pshots__grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
@media(min-width:768px){.pshots__grid{grid-template-columns:repeat(2,1fr);gap:1.25rem}}
.pshot{margin:0}
.pshot__frame{
  position:relative;aspect-ratio:16/9;border-radius:1rem;overflow:hidden;
  display:grid;place-items:center;
}
.pshot__frame span{
  font-family:var(--mono);font-size:1.35rem;font-weight:700;letter-spacing:.22em;
  color:var(--thumb-txt);text-shadow:0 2px 20px rgba(0,0,0,.35);
  transition:transform .5s var(--ease);
}
.pshot:hover .pshot__frame span{transform:scale(1.08)}
.pshot__frame--a{background-image:linear-gradient(135deg,#9333eb,#c026d3),repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px)}
.pshot__frame--b{background-image:linear-gradient(135deg,#7c3aed,#6366f1),repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px)}
.pshot__frame--c{background-image:linear-gradient(135deg,#c026d3,#9333eb),repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px)}
.pshot__frame--d{background-image:linear-gradient(135deg,#4f46e5,#a855f7),repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px)}
.pshot figcaption{
  margin-top:.75rem;font-size:.8rem;color:var(--muted-2);text-align:center;
}

/* --- 底部导航 --- */
.pnaveg{display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center}
.pnaveg__back{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:1.125rem;font-weight:700;color:var(--orange-400);
  transition:gap .35s var(--ease);
}
.pnaveg__back:hover{gap:1rem}
.pnaveg__next{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:1rem;font-size:.9rem}
.pnaveg__label{color:var(--muted-2)}
.pnaveg__link{color:var(--orange-400);font-weight:700}
.pnaveg__link:hover{text-decoration:underline}

/* --- 导航当前页标记 --- */
.nav__link--now{color:var(--orange-400)}
.drawer__link--on{color:var(--orange-400)}