/* =========================================================
   无界限工程设计 · 杨杰 作品集
   风格参考：mockplus.cn/website-nav（浅色卡片 + 彩色图标）
========================================================= */

/* ---------- 变量与基础 ---------- */
:root {
  --ink: #23272f;            /* 深灰页头 */
  --ink-2: #2c313b;
  --banner1: #2f353f;
  --banner2: #1e232b;
  --bg: #f6f7f9;             /* 页面浅灰底 */
  --card: #ffffff;
  --line: #e7e9ee;
  --text: #2b2f36;
  --muted: #8a919c;
  --light: #aab0ba;
  --accent: #e8a33d;         /* 品牌金 */
  --accent-dark: #c9841f;
  --shadow-sm: 0 1px 3px rgba(31,35,42,.05);
  --shadow-md: 0 8px 24px rgba(31,35,42,.10);
  --radius: 12px;
  --font: "PingFang SC","Microsoft YaHei","Segoe UI","Hiragino Sans GB",sans-serif;
  --font-en: "Segoe UI","Helvetica Neue",Arial,sans-serif;
  --nav-h: 64px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1140px, 92%); margin: 0 auto; }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; position: relative; }
.section-alt { background: #fff; }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  font-size: 12px; letter-spacing: 2px;
  color: var(--accent-dark); font-weight: 700;
  background: rgba(232,163,61,.12);
  border-radius: 999px; padding: 4px 14px;
  margin-bottom: 14px;
}
.section-title { font-size: clamp(26px, 3.6vw, 36px); font-weight: 700; letter-spacing: 1px; margin-bottom: 12px; color: var(--text); }
.section-desc { color: var(--muted); font-size: 15.5px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .5px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
  border: 1.5px solid transparent;
}
.btn-primary { background: var(--accent); color: #241708; box-shadow: 0 6px 18px rgba(232,163,61,.32); }
.btn-primary:hover { background: #f0b95c; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(35,39,47,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 9px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #c97f1e);
  color: #241708; font-weight: 800; font-size: 14px; letter-spacing: 1px;
  box-shadow: 0 3px 10px rgba(232,163,61,.35);
}
.brand-text { color: #fff; font-size: 16px; font-weight: 600; letter-spacing: 1px; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px; color: #b9bfca; font-size: 14.5px;
  border-radius: 8px; transition: color .2s, background .2s;
}
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,.09); }
.nav-cta {
  border: 1px solid var(--accent); color: var(--accent);
  border-radius: 999px; margin-left: 8px; padding: 7px 20px;
}
.nav-cta:hover { background: var(--accent); color: #241708; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页横幅 ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 72px) 0 84px;
  background: linear-gradient(150deg, var(--banner1) 0%, var(--banner2) 100%);
  color: #fff; text-align: center;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 3px;
  color: var(--accent); margin-bottom: 22px; text-transform: uppercase;
}
.hero-title {
  font-size: clamp(42px, 6vw, 68px); font-weight: 800; letter-spacing: 3px; line-height: 1.08;
  margin-bottom: 14px;
}
.hero-title-cn {
  display: block; font-size: clamp(16px, 2.4vw, 22px); font-weight: 400;
  color: #c3c9d2; letter-spacing: 5px; margin-top: 10px;
}
.hero-sub { font-size: 16px; color: #aeb5bf; margin: 0 auto 36px; max-width: 620px; line-height: 2; }

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 52px; }

.hero-stats {
  display: flex; justify-content: center; gap: 0;
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 26px;
  max-width: 760px; margin: 0 auto;
}
.hero-stats li { flex: 1; border-right: 1px solid rgba(255,255,255,.12); padding: 0 14px; }
.hero-stats li:last-child { border-right: 0; }
.hero-stats strong { display: block; font-size: 26px; color: var(--accent); font-family: var(--font-en); line-height: 1.2; }
.hero-stats span { font-size: 12.5px; color: #99a1ad; letter-spacing: 1px; }

/* ---------- 关于我 ---------- */
.about-grid {
  max-width: 880px; margin: 0 auto;
}
.photo-frame { position: relative; }
.photo-placeholder {
  aspect-ratio: 3 / 3.6;
  border-radius: var(--radius);
  background: linear-gradient(160deg, #3a4250, #262b33);
  display: grid; place-items: center; text-align: center;
  color: #aab2bd; font-size: 14px;
  border: 1px solid var(--line); overflow: hidden;
  position: relative;
}
.photo-placeholder::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.portrait-svg { width: 55%; position: relative; z-index: 1; }
.photo-placeholder p { position: relative; z-index: 1; margin-top: 6px; }
.photo-placeholder small { color: #7c8591; }
.photo-frame figcaption {
  text-align: center; margin-top: 14px; color: var(--muted); font-size: 14px; letter-spacing: 1px;
}

.about-content h3 { font-size: 28px; font-weight: 700; margin-bottom: 4px; }

.about-alias {
  font-size: 13px; color: var(--muted); margin: 6px 0 14px;
  padding-left: 12px; border-left: 2px solid var(--accent);
  line-height: 1.7;
}
.about-role { color: var(--accent-dark); font-weight: 600; margin-bottom: 20px; letter-spacing: .5px; }
.about-content p { color: #49515c; margin-bottom: 15px; }

.skill-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px 20px;
  margin: 24px 0 28px;
}
.skill-list li { display: flex; align-items: center; gap: 10px; color: #3c434d; font-size: 14.5px; }
.skill-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(232,163,61,.16); flex-shrink: 0; }

.about-sig {
  border-left: 3px solid var(--accent); padding: 6px 0 6px 18px;
  background: rgba(232,163,61,.08); border-radius: 0 10px 10px 0;
}
.about-sig strong { display: block; font-size: 13px; letter-spacing: 2px; color: var(--accent-dark); margin-bottom: 4px; }
.about-sig p { margin: 0; font-style: italic; color: #49515c; }

/* ---------- 作品筛选 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-btn {
  padding: 8px 20px; border-radius: 999px; border: 1.5px solid var(--line);
  background: #fff; color: var(--muted); font-size: 14px; font-weight: 500;
  transition: all .25s var(--ease);
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent-dark); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- 作品卡片（参考：设计导航卡片） ---------- */
.works-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.work-card {
  display: flex; flex-direction: column; gap: 16px; align-items: stretch;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0 0 22px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  animation: fadeUp .5s var(--ease) both;
}
.work-thumb { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #eceef1; }
.work-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease); }
.work-card:hover .work-thumb img { transform: scale(1.04); }
.work-thumb .work-icon {
  position: absolute; left: 14px; top: 14px;
  width: 52px; height: 52px; border-radius: 13px;
  font-size: 21px;
  box-shadow: inset 0 -2px 6px rgba(0,0,0,.12), 0 4px 14px hsla(var(--h,40), 55%, 30%, .45);
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #d8dbe1; }
.work-icon {
  flex-shrink: 0;
  width: 60px; height: 60px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, hsl(var(--h,40) 70% 55%), hsl(var(--h,40) 72% 38%));
  color: #fff; font-size: 24px; font-weight: 700;
  box-shadow: inset 0 -2px 6px rgba(0,0,0,.12), 0 4px 12px hsla(var(--h,40), 60%, 40%, .28);
}
.work-body { flex: 1; min-width: 0; padding: 0 24px; }
.work-meta { font-size: 12.5px; color: var(--muted); letter-spacing: 1px; margin-bottom: 5px; }
.work-meta .sep { margin: 0 8px; color: var(--accent); }
.work-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.work-body > p:not(.work-meta) { font-size: 14px; color: #5b636f; }
.work-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.work-tags span {
  font-size: 12px; color: #6b7280; background: var(--bg);
  border: 1px solid var(--line); padding: 2px 10px; border-radius: 999px;
}
.work-link {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 14px; font-size: 13px; font-weight: 600;
  color: var(--accent-dark);
}
.work-link::after { content: "→"; transition: transform .25s var(--ease); }
.work-card:hover .work-link::after { transform: translateX(4px); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 工作履历（时间轴） ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 40px; }
.timeline::before {
  content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px;
  width: 2px; background: #e2e5ea;
}
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -40px; top: 8px;
  width: 24px; height: 24px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
  display: grid; place-items: center; box-shadow: 0 0 0 4px rgba(232,163,61,.14);
}
.timeline-dot::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.timeline-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.timeline-card:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.timeline-year {
  display: inline-block; font-family: var(--font-en); font-size: 12px; letter-spacing: 1.5px;
  color: var(--accent-dark); background: rgba(232,163,61,.12);
  border-radius: 999px; padding: 2px 13px; margin-bottom: 10px; font-weight: 700;
}
.timeline-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.timeline-role { color: var(--accent-dark); font-size: 13.5px; font-weight: 600; margin-bottom: 9px; }
.timeline-card p:last-child { color: #555d69; font-size: 14.5px; }

/* ---------- 心路历程 ---------- */
.journey-list { max-width: 860px; margin: 0 auto; }
.journey-item {
  display: grid; grid-template-columns: 76px 1fr; gap: 26px;
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 30px; margin-bottom: 16px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.journey-item:hover { transform: translateX(8px); box-shadow: var(--shadow-md); }
.journey-no {
  font-family: var(--font-en); font-size: 38px; font-weight: 800;
  color: transparent; -webkit-text-stroke: 1.5px var(--accent);
  line-height: 1; padding-top: 4px;
}
.journey-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.journey-body p { color: #555d69; font-size: 14.5px; }

/* ---------- 联系 ---------- */
.contact-card {
  background: linear-gradient(150deg, var(--banner1), var(--banner2));
  border-radius: 18px; padding: 54px 50px; color: #fff;
  box-shadow: var(--shadow-md);
  position: relative; overflow: hidden;
}
.contact-card::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 38px 38px;
  pointer-events: none;
}
.contact-card > * { position: relative; z-index: 1; }
.contact-head { margin-bottom: 40px; }
.contact-head .section-tag { background: rgba(232,163,61,.2); color: var(--accent); }
.contact-head .section-desc, .contact-head p { color: #aeb5bf; }
.contact-head .section-title { color: #fff; margin-bottom: 8px; }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.contact-item {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 22px 18px; text-align: center;
  transition: transform .3s var(--ease), background .3s;
}
.contact-item:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); }
.contact-icon {
  width: 44px; height: 44px; margin: 0 auto 10px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(232,163,61,.18); color: var(--accent);
  font-size: 19px;
}
.contact-item h3 { font-size: 14.5px; margin-bottom: 7px; letter-spacing: 1px; }
.contact-item p { font-size: 13.5px; color: #c4cbd4; }
.contact-item small { color: #8d96a3; }
.contact-link { color: inherit; text-decoration: none; border-bottom: 1px dashed rgba(255,255,255,.35); transition: color .2s, border-color .2s; }
.contact-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- 页脚 ---------- */
.site-footer { background: #1a1e25; color: #8a919c; padding: 24px 0; font-size: 13.5px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-links a { color: var(--accent); }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: var(--ink); color: #fff; font-size: 17px;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all .3s var(--ease);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--accent); color: #241708; }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .work-card { animation: none; }
}




.about-title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.about-title-logo { height: 1em; width: auto; display: inline-block; flex-shrink: 0; }

/* ---------- 关于我照片（真实头像） ---------- */
.about-photo-img {
  width: 100%; aspect-ratio: 3 / 3.6; object-fit: cover;
  border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: var(--shadow-sm); display: block;
}

/* ---------- 团队介绍 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-sm); text-align: center;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.team-card img {
  width: 128px; height: 128px; object-fit: cover; border-radius: 50%;
  border: 3px solid rgba(232,163,61,.35); margin-bottom: 14px;
}
.team-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 3px; }
.team-role {
  display: inline-block; font-size: 12px; color: var(--accent-dark);
  background: rgba(232,163,61,.12); border-radius: 999px; padding: 3px 13px;
  margin-bottom: 10px; font-weight: 600; letter-spacing: 1px;
}
.team-card > p:last-child { font-size: 13.5px; color: #5b636f; line-height: 1.8; text-align: left; }
@media (max-width: 900px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .team-company { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .team-grid { grid-template-columns: 1fr; }
}



.hero-title-logo {
  height: 1em; width: auto; vertical-align: middle;
  margin-right: 14px; display: inline-block;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.35));
}

/* ---------- 首页品牌（公司为主体 + 糖纸辅品牌） ---------- */
.hero-brand-line {
  display: inline-flex; align-items: center; gap: 14px;
  color: #fff; font-size: 15px; letter-spacing: 1px;
  margin-top: 24px;
}
.hero-brand-logo { height: clamp(42px, 6vw, 68px); width: auto; display: block; filter: drop-shadow(0 2px 6px rgba(0,0,0,.35)); }
.about-brand-line {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--accent-dark); margin: 10px 0 16px;
}
.about-tangzhi-logo { height: 28px; width: auto; }

/* ---------- 分类精选（首页） ---------- */
.showcase-section { background: var(--bg); }
.showcase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.showcase-card {
  position: relative; display: block; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4 / 3; box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.showcase-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.showcase-card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease); }
.showcase-card:hover img { transform: scale(1.06); }
.showcase-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 18px 20px; color: #fff;
  background: linear-gradient(180deg, rgba(20,22,26,.05) 35%, rgba(20,22,26,.82) 100%);
}
.showcase-overlay h3 { font-size: 21px; font-weight: 700; margin-bottom: 4px; letter-spacing: 1px; }
.showcase-overlay p { font-size: 13px; opacity: .9; line-height: 1.5; }
.showcase-overlay .showcase-more {
  margin-top: 9px; font-size: 13px; font-weight: 600; opacity: .95;
  display: inline-flex; align-items: center; gap: 5px;
}
.showcase-overlay .showcase-more::after { content: "→"; transition: transform .25s var(--ease); }
.showcase-card:hover .showcase-more::after { transform: translateX(4px); }
@media (max-width: 900px) {
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-overlay h3 { font-size: 19px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .works-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-photo { max-width: 320px; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-card { padding: 40px 28px; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(35,39,47,.98); backdrop-filter: blur(14px);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 6% 22px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform .35s var(--ease), opacity .35s;
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 13px 8px; border-bottom: 1px solid rgba(255,255,255,.07); font-size: 15.5px; border-radius: 0; }
  .nav-cta { margin: 14px 0 0; text-align: center; border-radius: 10px; }
  .nav-toggle { display: flex; }
  .hero-stats { flex-wrap: wrap; }
  .hero-stats li { flex: 1 1 40%; border: 0; padding: 10px 12px; }
  .skill-list { grid-template-columns: 1fr; }
  .journey-item { grid-template-columns: 1fr; gap: 8px; }
  .journey-no { font-size: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 32px 20px; }
  .section { padding: 68px 0; }
  .timeline { padding-left: 32px; }
  .timeline-dot { left: -32px; width: 22px; height: 22px; }
  .work-card { padding: 0 0 16px; gap: 12px; }
  .work-thumb .work-icon { width: 46px; height: 46px; font-size: 18px; }
}



/* ---------- 视频展示 ---------- */
.video-groups { display: flex; flex-direction: column; gap: 64px; }
.video-group-head { margin-bottom: 26px; }
.video-badge {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: 1px;
  border-radius: 999px; padding: 5px 16px; margin-bottom: 12px;
  color: #fff;
}
.video-badge.dy { background: #17181a; }               /* 抖音 · 黑 */
.video-badge.sph { background: #07c160; }              /* 视频号 · 微信绿 */
.video-group-head h3 { font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.video-group-head p { color: var(--muted); font-size: 14.5px; margin-top: 4px; }

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 22px;
}
.video-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.video-frame { position: relative; aspect-ratio: 9 / 16; background: #101216; }
.video-frame video { width: 100%; height: 100%; object-fit: cover; display: block; background: #000; }
.video-dur {
  position: absolute; top: 10px; right: 10px;
  font-size: 11.5px; font-weight: 600; color: #fff;
  background: rgba(20,22,26,.62); backdrop-filter: blur(6px);
  border-radius: 999px; padding: 2px 9px; letter-spacing: .5px;
}
.video-body { padding: 13px 14px 15px; }
.video-body h4 { font-size: 15px; font-weight: 700; line-height: 1.45; margin-bottom: 5px; }
.video-body p { font-size: 13px; color: var(--muted); line-height: 1.55; }

@media (max-width: 900px) {
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
}
@media (max-width: 560px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .video-body { padding: 10px 11px 12px; }
  .video-body h4 { font-size: 14px; }
  .video-body p { font-size: 12px; }
}

/* ---------- 视频号微信观看链接卡片 ---------- */
.video-card-link { display: block; text-decoration: none; }
.video-frame-link {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #07c160 0%, #0b8a4c 100%);
}
.video-link-play {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,.22); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff; padding-left: 4px;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
  transition: transform .25s var(--ease), background .25s;
}
.video-card-link:hover .video-link-play { transform: scale(1.08); background: rgba(255,255,255,.32); }
.video-link-go {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 8px; font-size: 13px; font-weight: 600; color: var(--accent-dark);
}
.video-link-go::after { content: "\2192"; transition: transform .25s var(--ease); }
.video-card-link:hover .video-link-go::after { transform: translateX(4px); }

/* ---------- 统一视频墙：卡片类型标签 ---------- */
.video-tag {
  position: absolute; top: 10px; left: 10px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 1px; color: #fff;
  border-radius: 999px; padding: 3px 10px;
  background: rgba(20,22,26,.62); backdrop-filter: blur(6px);
}
.video-tag.tag-koubo { background: rgba(23,24,26,.78); }
.video-tag.tag-koubo::before { content: "\01F3A4 "; }
.video-tag.tag-shipin { background: rgba(7,193,96,.82); }

/* ---------- 简历下载链接 ---------- */
.resume-download {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 12px; font-size: 14.5px; font-weight: 600;
  color: var(--accent-dark); text-decoration: none;
  border-bottom: 1px dashed rgba(201,132,31,.5); padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}
.resume-download:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 团队卡片 · 进入个人空间 ---------- */
.team-enter {
  display: inline-flex; align-items: center; gap: 5px;
  margin-top: 14px; padding: 8px 18px;
  font-size: 13.5px; font-weight: 600; color: #241708;
  background: var(--accent); border-radius: 999px;
  box-shadow: 0 4px 12px rgba(232,163,61,.3);
  transition: background .25s, transform .25s var(--ease);
}
.team-enter:hover { background: #f0b95c; transform: translateY(-2px); }