/* =========================================================
   阿卜杜许库尔 · 个人介绍站
   亮色科技风 · 原生 HTML/CSS/JS · 单一电光蓝主色
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* 颜色 */
  --bg: #f4f6fb;
  --bg-alt: #eef1f8;
  --surface: #ffffff;
  --surface-2: #f8fafd;
  --border: #e2e7f0;
  --border-strong: #cfd7e6;

  --text: #0e1320;
  --text-2: #4b5568;
  --text-3: #8a93a6;

  --accent: #1e5bff;
  --accent-ink: #0b3fd6;   /* 更深，用于小字文本，保证对比度 */
  --accent-2: #12c2f0;     /* 青，用于渐变 */
  --accent-soft: rgba(30, 91, 255, .08);
  --accent-soft-2: rgba(30, 91, 255, .14);
  --grad: linear-gradient(115deg, #1e5bff 0%, #12c2f0 100%);
  --grad-soft: linear-gradient(115deg, rgba(30,91,255,.12), rgba(18,194,240,.12));

  /* 半径：卡片/面板 16 · 按钮/输入 10 · 小标签 pill */
  --r-card: 18px;
  --r-btn: 11px;
  --r-pill: 999px;

  /* 阴影（带主色染色，不用纯黑） */
  --shadow-sm: 0 1px 2px rgba(20, 33, 61, .04), 0 2px 8px rgba(20, 33, 61, .05);
  --shadow-md: 0 4px 12px rgba(20, 33, 61, .06), 0 16px 40px rgba(30, 60, 130, .08);
  --shadow-lg: 0 8px 24px rgba(20, 33, 61, .08), 0 30px 70px rgba(30, 60, 130, .12);
  --ring: 0 0 0 1px var(--border);

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", "Roboto Mono",
               Menlo, Consolas, monospace;

  --maxw: 1160px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, p, dl, dd { margin: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img, svg, canvas { display: block; max-width: 100%; }

.ico { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.9;
       stroke-linecap: round; stroke-linejoin: round; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 28px; }

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

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: var(--r-btn);
  font-weight: 600; font-size: 15px; letter-spacing: .01em;
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), background .25s;
  white-space: nowrap;
}
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(30,91,255,.28); }
.btn--primary:hover { background: #1a4ff0; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(30,91,255,.36); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost { background: var(--surface); color: var(--text); box-shadow: var(--ring); }
.btn--ghost:hover { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 8px 20px rgba(30,91,255,.12); transform: translateY(-2px); }

/* =========================================================
   导航
   ========================================================= */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(244, 246, 251, .78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 20px rgba(20, 33, 61, .04);
}
.nav__inner {
  max-width: var(--maxw); margin-inline: auto; padding: 15px 28px;
  display: flex; align-items: center; gap: 24px;
  transition: padding .3s;
}
.nav.is-scrolled .nav__inner { padding-block: 11px; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  background: var(--grad); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 18px;
  box-shadow: 0 4px 12px rgba(30,91,255,.3);
}
.brand__mark--sm { width: 26px; height: 26px; font-size: 14px; border-radius: 8px; }
.brand__name { font-weight: 700; font-size: 16px; line-height: 1.1; display: flex; flex-direction: column; }
.brand__name em { font-style: normal; font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: .12em; font-weight: 500; }

.nav__links { display: flex; gap: 4px; margin-left: auto; }
.nav__links a {
  padding: 8px 14px; border-radius: 9px; font-size: 15px; color: var(--text-2);
  font-weight: 500; transition: color .2s, background .2s;
}
.nav__links a:hover { color: var(--text); background: var(--accent-soft); }
.nav__cta { margin-left: 6px; }

.nav__toggle { display: none; width: 40px; height: 40px; margin-left: auto; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav__toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }

/* =========================================================
   英雄区
   ========================================================= */
.hero { position: relative; padding: 150px 0 90px; overflow: hidden; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: .9; }
.hero__glow {
  position: absolute; z-index: 0; top: -160px; left: 50%; transform: translateX(-40%);
  width: 720px; height: 720px; pointer-events: none;
  background: radial-gradient(circle, rgba(30,91,255,.20), rgba(18,194,240,.10) 42%, transparent 68%);
  filter: blur(10px);
}
.hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.25fr .85fr; gap: 56px; align-items: center;
}

.hero__eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em;
  color: var(--accent-ink); background: var(--accent-soft); border: 1px solid var(--accent-soft-2);
  padding: 7px 14px; border-radius: var(--r-pill); margin-bottom: 24px; font-weight: 600;
}
.hero__title { font-size: clamp(38px, 5.2vw, 62px); line-height: 1.08; font-weight: 800; letter-spacing: -.02em; }
.hero__lead { margin-top: 24px; font-size: 18px; color: var(--text-2); max-width: 34em; }
.hero__lead strong { color: var(--text); font-weight: 700; }
.hero__actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero__meta { list-style: none; padding: 0; margin: 34px 0 0; display: flex; flex-wrap: wrap; gap: 10px 26px; }
.hero__meta li { display: inline-flex; align-items: center; gap: 8px; font-size: 14.5px; color: var(--text-2); font-weight: 500; }
.hero__meta .ico { color: var(--accent); font-size: 17px; }

/* 名片卡 */
.hero__card-wrap { perspective: 1000px; }
.profile-card {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-card); padding: 26px; box-shadow: var(--shadow-lg);
  transform-style: preserve-3d; transition: transform .25s var(--ease);
  overflow: hidden;
}
.profile-card__glow {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: radial-gradient(420px circle at var(--mx, 70%) var(--my, 0%), rgba(30,91,255,.12), transparent 45%);
  transition: opacity .3s;
}
.profile-card__top { display: flex; align-items: center; gap: 14px; }
.profile-card__avatar {
  width: 54px; height: 54px; border-radius: 14px; flex: none;
  background: var(--grad); color: #fff; font-size: 26px; font-weight: 800;
  display: grid; place-items: center; box-shadow: 0 8px 18px rgba(30,91,255,.32);
}
.profile-card__name { font-weight: 700; font-size: 18px; }
.profile-card__role { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); }
.status-pill {
  margin-left: auto; display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 600; color: #0a7d3e;
  background: rgba(16, 185, 90, .1); padding: 6px 11px; border-radius: var(--r-pill);
}
.status-pill__dot { width: 7px; height: 7px; border-radius: 50%; background: #14c065; box-shadow: 0 0 0 0 rgba(20,192,101,.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(20,192,101,.55); } 70% { box-shadow: 0 0 0 7px rgba(20,192,101,0); } 100% { box-shadow: 0 0 0 0 rgba(20,192,101,0); } }

.profile-card__facts { margin-top: 22px; display: grid; gap: 0; }
.profile-card__facts > div { display: flex; justify-content: space-between; align-items: center; padding: 11px 0; border-top: 1px solid var(--border); font-size: 14px; }
.profile-card__facts dt { color: var(--text-3); }
.profile-card__facts dd { font-weight: 600; text-align: right; }
.profile-card__stack { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 7px; }
.profile-card__stack span {
  font-family: var(--font-mono); font-size: 12px; padding: 5px 10px; border-radius: 8px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
}

/* =========================================================
   数据统计
   ========================================================= */
.stats { padding: 8px 0 30px; }
.stats__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 26px 24px; box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.stat__num {
  display: block; font-family: var(--font-mono); font-weight: 700;
  font-size: clamp(36px, 4vw, 48px); line-height: 1; letter-spacing: -.03em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.stat__label { display: block; margin-top: 10px; font-size: 14.5px; color: var(--text-2); font-weight: 500; }

/* =========================================================
   通用 section
   ========================================================= */
.section { padding: 84px 0; }
.section__head { margin-bottom: 46px; max-width: 60ch; }
.section__title { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.section__sub { margin-top: 14px; font-size: 17px; color: var(--text-2); }

/* 关于 */
.about { background: var(--bg-alt); }
.about__lead { font-size: 19px; line-height: 1.75; color: var(--text); max-width: 62ch; }
.about__cards { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 26px 24px; box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature__ico {
  width: 42px; height: 42px; padding: 10px; border-radius: 12px; margin-bottom: 16px;
  fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
  background: var(--accent-soft);
}
.feature h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature p { font-size: 15px; color: var(--text-2); }

/* 技能 */
.skills__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.skillcat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 22px 24px; display: flex; gap: 20px; align-items: flex-start;
  box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.skillcat:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.skillcat__label {
  flex: none; width: 128px; font-family: var(--font-mono); font-size: 12.5px;
  color: var(--text-3); font-weight: 600; padding-top: 5px; letter-spacing: .01em;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  font-size: 13.5px; font-weight: 500; padding: 6px 13px; border-radius: var(--r-pill);
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
  transition: color .2s, border-color .2s, background .2s;
}
.skillcat:hover .chips span { border-color: var(--border-strong); }
.chips span:hover { color: var(--accent-ink); border-color: var(--accent); background: var(--accent-soft); }

/* =========================================================
   项目 bento
   ========================================================= */
.projects__bento { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pcard {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 28px; box-shadow: var(--shadow-sm);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
}
.pcard--feature { grid-column: 1 / -1; }
/* 项目截图横幅：出血到卡片边缘，圆角由卡片 overflow 裁切 */
.pcard__shot {
  margin: -28px -28px 20px; border-bottom: 1px solid var(--border);
  background: var(--surface-2); aspect-ratio: 16 / 9; overflow: hidden;
}
.pcard__shot img {
  width: 100%; height: 100%; object-fit: cover; object-position: top left;
  display: block; transition: transform .5s var(--ease);
}
.pcard:hover .pcard__shot img { transform: scale(1.03); }
.pcard--feature .pcard__shot { aspect-ratio: 24 / 9; margin-bottom: 22px; }
.pcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
/* 光标聚光 */
.spotlight::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(460px circle at var(--mx) var(--my), rgba(30,91,255,.10), transparent 42%);
  transition: opacity .3s;
}
.spotlight:hover::before { opacity: 1; }

.pcard__top { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.pcard__index { font-family: var(--font-mono); font-size: 15px; font-weight: 700; color: var(--accent); letter-spacing: .05em; }
.pcard__name { font-size: 22px; font-weight: 750; margin-bottom: 12px; letter-spacing: -.01em; }
.pcard--feature .pcard__name { font-size: 27px; }
.pcard__desc { font-size: 15px; color: var(--text-2); line-height: 1.7; }
.pcard--feature .pcard__desc { max-width: 78ch; }
.pcard__highlight {
  margin-top: 16px; padding: 13px 16px; border-radius: 12px;
  background: var(--grad-soft); border: 1px solid var(--accent-soft-2);
  font-size: 14.5px; color: var(--text); font-weight: 500;
  display: flex; gap: 10px; align-items: flex-start;
}
.pcard__highlight .ico { color: var(--accent); font-size: 17px; flex: none; margin-top: 2px; fill: var(--accent); stroke: none; }

.tags { display: flex; flex-wrap: wrap; gap: 7px; margin-left: auto; }
.tag {
  font-size: 12px; font-weight: 600; padding: 4px 11px; border-radius: var(--r-pill);
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
}
.tag--live { color: var(--accent-ink); background: var(--accent-soft); border-color: var(--accent-soft-2); }

.chips--tech { margin-top: 18px; }
.chips--tech span { font-family: var(--font-mono); font-size: 12px; }

/* =========================================================
   小程序端实拍
   ========================================================= */
.mp-strip {
  display: flex; gap: 18px; overflow-x: auto; padding: 8px 28px 20px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  max-width: var(--maxw); margin-inline: auto;
}
.mp-strip::-webkit-scrollbar { height: 8px; }
.mp-strip::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
.mp-phone {
  flex: none; width: 208px; border-radius: 24px; overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow-md); background: #eaf1fb;
  scroll-snap-align: start; transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.mp-phone:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.mp-phone img { width: 100%; display: block; }

/* =========================================================
   更多项目 marquee
   ========================================================= */
.more { background: var(--bg-alt); overflow: hidden; }
.more__head { margin-bottom: 40px; }
.marquee { position: relative; width: 100%; overflow: hidden; padding: 7px 0; -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: flex; gap: 12px; width: max-content; animation: marquee 46s linear infinite; }
.marquee--rev .marquee__track { animation-direction: reverse; animation-duration: 54s; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee__item {
  flex: none; display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 18px; border-radius: var(--r-pill);
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  font-size: 14.5px; font-weight: 500; color: var(--text);
}
.marquee__item i { width: 6px; height: 6px; border-radius: 50%; background: var(--grad); flex: none; }

/* =========================================================
   教育
   ========================================================= */
.edu-card {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 30px 32px; box-shadow: var(--shadow-sm);
}
.edu-card__main h3 { font-size: 22px; font-weight: 750; }
.edu-card__meta { color: var(--text-2); margin: 6px 0 16px; font-size: 15px; }
.edu-card__year { margin-left: auto; font-family: var(--font-mono); font-size: 16px; font-weight: 600; color: var(--accent-ink); white-space: nowrap; }

/* =========================================================
   联系
   ========================================================= */
.contact__inner {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-radius: 26px;
  padding: 60px 48px; text-align: center; box-shadow: var(--shadow-md);
}
.contact__glow {
  position: absolute; z-index: 0; top: -50%; left: 50%; transform: translateX(-50%);
  width: 620px; height: 620px; pointer-events: none;
  background: radial-gradient(circle, rgba(30,91,255,.14), transparent 62%);
}
.contact__title, .contact__sub, .contact__grid { position: relative; z-index: 1; }
.contact__title { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.contact__sub { margin-top: 14px; color: var(--text-2); font-size: 17px; }
.contact__grid { margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.ccard {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 24px 16px; transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.ccard:not(.ccard--static):hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.ccard__ico { width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 6px; }
.ccard__label { font-size: 12.5px; color: var(--text-3); font-weight: 600; }
.ccard__value { font-size: 15px; font-weight: 650; word-break: break-all; }
.ccard__copy { font-family: var(--font-mono); font-size: 11px; color: var(--accent); margin-top: 2px; }
.ccard--static { cursor: default; }
.ccard--static .ccard__copy { color: var(--text-3); }

/* =========================================================
   页脚
   ========================================================= */
.footer { padding: 34px 0; border-top: 1px solid var(--border); background: var(--surface); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; }
.footer__note { font-size: 13px; color: var(--text-3); font-family: var(--font-mono); }

/* =========================================================
   Toast
   ========================================================= */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: #fff; padding: 12px 22px; border-radius: var(--r-pill);
  font-size: 14px; font-weight: 600; box-shadow: var(--shadow-lg); z-index: 200;
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s var(--ease);
}
.toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* =========================================================
   滚动进入动效
   ========================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-reveal-delay="1"] { transition-delay: .08s; }
.reveal[data-reveal-delay="2"] { transition-delay: .16s; }
.reveal[data-reveal-delay="3"] { transition-delay: .24s; }
.reveal[data-reveal-delay="4"] { transition-delay: .32s; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__card-wrap { max-width: 420px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .about__cards { grid-template-columns: 1fr; }
  .skills__grid { grid-template-columns: 1fr; }
  .projects__bento { grid-template-columns: 1fr; }
  .pcard--feature { grid-column: auto; }
  .contact__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .container { padding-inline: 20px; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .nav__links.is-open {
    display: flex; flex-direction: column; position: absolute; top: 100%; right: 20px; left: 20px;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
    padding: 12px; box-shadow: var(--shadow-lg); gap: 2px; margin-top: 8px;
  }
  .nav__links.is-open a { padding: 12px 14px; }
  .hero { padding-top: 120px; }
  .section { padding: 60px 0; }
  .contact__inner { padding: 40px 22px; }
  .contact__grid { grid-template-columns: 1fr; }
  .pcard__top { flex-wrap: wrap; }
  .tags { margin-left: 0; }
  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 420px) {
  .stats__grid { grid-template-columns: 1fr; }
}

/* =========================================================
   动效降级：尊重 prefers-reduced-motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .marquee__track { animation: none !important; }
  .status-pill__dot { animation: none !important; }
  .hero__canvas { display: none; }
  * { transition-duration: .01ms !important; }
}